| 1 | /* |
| 2 | * Copyright (c) 2000-2003 Fabrice Bellard |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * FFmpeg is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | /** |
| 22 | * @file |
| 23 | * multimedia converter based on the FFmpeg libraries |
| 24 | */ |
| 25 | |
| 26 | #include "config.h" |
| 27 | #include <ctype.h> |
| 28 | #include <string.h> |
| 29 | #include <math.h> |
| 30 | #include <stdlib.h> |
| 31 | #include <errno.h> |
| 32 | #include <limits.h> |
| 33 | #include <stdint.h> |
| 34 | |
| 35 | #if HAVE_ISATTY |
| 36 | #if HAVE_IO_H |
| 37 | #include <io.h> |
| 38 | #endif |
| 39 | #if HAVE_UNISTD_H |
| 40 | #include <unistd.h> |
| 41 | #endif |
| 42 | #endif |
| 43 | |
| 44 | #include "libavformat/avformat.h" |
| 45 | #include "libavdevice/avdevice.h" |
| 46 | #include "libswresample/swresample.h" |
| 47 | #include "libavutil/opt.h" |
| 48 | #include "libavutil/channel_layout.h" |
| 49 | #include "libavutil/parseutils.h" |
| 50 | #include "libavutil/samplefmt.h" |
| 51 | #include "libavutil/fifo.h" |
| 52 | #include "libavutil/intreadwrite.h" |
| 53 | #include "libavutil/dict.h" |
| 54 | #include "libavutil/mathematics.h" |
| 55 | #include "libavutil/pixdesc.h" |
| 56 | #include "libavutil/avstring.h" |
| 57 | #include "libavutil/libm.h" |
| 58 | #include "libavutil/imgutils.h" |
| 59 | #include "libavutil/timestamp.h" |
| 60 | #include "libavutil/bprint.h" |
| 61 | #include "libavutil/time.h" |
| 62 | #include "libavutil/threadmessage.h" |
| 63 | #include "libavformat/os_support.h" |
| 64 | |
| 65 | #include "libavformat/ffm.h" // not public API |
| 66 | |
| 67 | # include "libavfilter/avcodec.h" |
| 68 | # include "libavfilter/avfilter.h" |
| 69 | # include "libavfilter/buffersrc.h" |
| 70 | # include "libavfilter/buffersink.h" |
| 71 | |
| 72 | #if HAVE_SYS_RESOURCE_H |
| 73 | #include <sys/time.h> |
| 74 | #include <sys/types.h> |
| 75 | #include <sys/resource.h> |
| 76 | #elif HAVE_GETPROCESSTIMES |
| 77 | #include <windows.h> |
| 78 | #endif |
| 79 | #if HAVE_GETPROCESSMEMORYINFO |
| 80 | #include <windows.h> |
| 81 | #include <psapi.h> |
| 82 | #endif |
| 83 | |
| 84 | #if HAVE_SYS_SELECT_H |
| 85 | #include <sys/select.h> |
| 86 | #endif |
| 87 | |
| 88 | #if HAVE_TERMIOS_H |
| 89 | #include <fcntl.h> |
| 90 | #include <sys/ioctl.h> |
| 91 | #include <sys/time.h> |
| 92 | #include <termios.h> |
| 93 | #elif HAVE_KBHIT |
| 94 | #include <conio.h> |
| 95 | #endif |
| 96 | |
| 97 | #if HAVE_PTHREADS |
| 98 | #include <pthread.h> |
| 99 | #endif |
| 100 | |
| 101 | #include <time.h> |
| 102 | |
| 103 | #include "ffmpeg.h" |
| 104 | #include "cmdutils.h" |
| 105 | |
| 106 | #include "libavutil/avassert.h" |
| 107 | |
| 108 | const char program_name[] = "ffmpeg"; |
| 109 | const int program_birth_year = 2000; |
| 110 | |
| 111 | static FILE *vstats_file; |
| 112 | |
| 113 | const char *const forced_keyframes_const_names[] = { |
| 114 | "n", |
| 115 | "n_forced", |
| 116 | "prev_forced_n", |
| 117 | "prev_forced_t", |
| 118 | "t", |
| 119 | NULL |
| 120 | }; |
| 121 | |
| 122 | static void do_video_stats(OutputStream *ost, int frame_size); |
| 123 | static int64_t getutime(void); |
| 124 | static int64_t getmaxrss(void); |
| 125 | |
| 126 | static int run_as_daemon = 0; |
| 127 | static int nb_frames_dup = 0; |
| 128 | static int nb_frames_drop = 0; |
| 129 | static int64_t decode_error_stat[2]; |
| 130 | |
| 131 | static int current_time; |
| 132 | AVIOContext *progress_avio = NULL; |
| 133 | |
| 134 | static uint8_t *subtitle_out; |
| 135 | |
| 136 | #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass" |
| 137 | |
| 138 | InputStream **input_streams = NULL; |
| 139 | int nb_input_streams = 0; |
| 140 | InputFile **input_files = NULL; |
| 141 | int nb_input_files = 0; |
| 142 | |
| 143 | OutputStream **output_streams = NULL; |
| 144 | int nb_output_streams = 0; |
| 145 | OutputFile **output_files = NULL; |
| 146 | int nb_output_files = 0; |
| 147 | |
| 148 | FilterGraph **filtergraphs; |
| 149 | int nb_filtergraphs; |
| 150 | |
| 151 | #if HAVE_TERMIOS_H |
| 152 | |
| 153 | /* init terminal so that we can grab keys */ |
| 154 | static struct termios oldtty; |
| 155 | static int restore_tty; |
| 156 | #endif |
| 157 | |
| 158 | static void free_input_threads(void); |
| 159 | |
| 160 | |
| 161 | /* sub2video hack: |
| 162 | Convert subtitles to video with alpha to insert them in filter graphs. |
| 163 | This is a temporary solution until libavfilter gets real subtitles support. |
| 164 | */ |
| 165 | |
| 166 | static int sub2video_get_blank_frame(InputStream *ist) |
| 167 | { |
| 168 | int ret; |
| 169 | AVFrame *frame = ist->sub2video.frame; |
| 170 | |
| 171 | av_frame_unref(frame); |
| 172 | ist->sub2video.frame->width = ist->sub2video.w; |
| 173 | ist->sub2video.frame->height = ist->sub2video.h; |
| 174 | ist->sub2video.frame->format = AV_PIX_FMT_RGB32; |
| 175 | if ((ret = av_frame_get_buffer(frame, 32)) < 0) |
| 176 | return ret; |
| 177 | memset(frame->data[0], 0, frame->height * frame->linesize[0]); |
| 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h, |
| 182 | AVSubtitleRect *r) |
| 183 | { |
| 184 | uint32_t *pal, *dst2; |
| 185 | uint8_t *src, *src2; |
| 186 | int x, y; |
| 187 | |
| 188 | if (r->type != SUBTITLE_BITMAP) { |
| 189 | av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n"); |
| 190 | return; |
| 191 | } |
| 192 | if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) { |
| 193 | av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n"); |
| 194 | return; |
| 195 | } |
| 196 | |
| 197 | dst += r->y * dst_linesize + r->x * 4; |
| 198 | src = r->pict.data[0]; |
| 199 | pal = (uint32_t *)r->pict.data[1]; |
| 200 | for (y = 0; y < r->h; y++) { |
| 201 | dst2 = (uint32_t *)dst; |
| 202 | src2 = src; |
| 203 | for (x = 0; x < r->w; x++) |
| 204 | *(dst2++) = pal[*(src2++)]; |
| 205 | dst += dst_linesize; |
| 206 | src += r->pict.linesize[0]; |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | static void sub2video_push_ref(InputStream *ist, int64_t pts) |
| 211 | { |
| 212 | AVFrame *frame = ist->sub2video.frame; |
| 213 | int i; |
| 214 | |
| 215 | av_assert1(frame->data[0]); |
| 216 | ist->sub2video.last_pts = frame->pts = pts; |
| 217 | for (i = 0; i < ist->nb_filters; i++) |
| 218 | av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame, |
| 219 | AV_BUFFERSRC_FLAG_KEEP_REF | |
| 220 | AV_BUFFERSRC_FLAG_PUSH); |
| 221 | } |
| 222 | |
| 223 | static void sub2video_update(InputStream *ist, AVSubtitle *sub) |
| 224 | { |
| 225 | int w = ist->sub2video.w, h = ist->sub2video.h; |
| 226 | AVFrame *frame = ist->sub2video.frame; |
| 227 | int8_t *dst; |
| 228 | int dst_linesize; |
| 229 | int num_rects, i; |
| 230 | int64_t pts, end_pts; |
| 231 | |
| 232 | if (!frame) |
| 233 | return; |
| 234 | if (sub) { |
| 235 | pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL, |
| 236 | AV_TIME_BASE_Q, ist->st->time_base); |
| 237 | end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL, |
| 238 | AV_TIME_BASE_Q, ist->st->time_base); |
| 239 | num_rects = sub->num_rects; |
| 240 | } else { |
| 241 | pts = ist->sub2video.end_pts; |
| 242 | end_pts = INT64_MAX; |
| 243 | num_rects = 0; |
| 244 | } |
| 245 | if (sub2video_get_blank_frame(ist) < 0) { |
| 246 | av_log(ist->dec_ctx, AV_LOG_ERROR, |
| 247 | "Impossible to get a blank canvas.\n"); |
| 248 | return; |
| 249 | } |
| 250 | dst = frame->data [0]; |
| 251 | dst_linesize = frame->linesize[0]; |
| 252 | for (i = 0; i < num_rects; i++) |
| 253 | sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]); |
| 254 | sub2video_push_ref(ist, pts); |
| 255 | ist->sub2video.end_pts = end_pts; |
| 256 | } |
| 257 | |
| 258 | static void sub2video_heartbeat(InputStream *ist, int64_t pts) |
| 259 | { |
| 260 | InputFile *infile = input_files[ist->file_index]; |
| 261 | int i, j, nb_reqs; |
| 262 | int64_t pts2; |
| 263 | |
| 264 | /* When a frame is read from a file, examine all sub2video streams in |
| 265 | the same file and send the sub2video frame again. Otherwise, decoded |
| 266 | video frames could be accumulating in the filter graph while a filter |
| 267 | (possibly overlay) is desperately waiting for a subtitle frame. */ |
| 268 | for (i = 0; i < infile->nb_streams; i++) { |
| 269 | InputStream *ist2 = input_streams[infile->ist_index + i]; |
| 270 | if (!ist2->sub2video.frame) |
| 271 | continue; |
| 272 | /* subtitles seem to be usually muxed ahead of other streams; |
| 273 | if not, subtracting a larger time here is necessary */ |
| 274 | pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1; |
| 275 | /* do not send the heartbeat frame if the subtitle is already ahead */ |
| 276 | if (pts2 <= ist2->sub2video.last_pts) |
| 277 | continue; |
| 278 | if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0]) |
| 279 | sub2video_update(ist2, NULL); |
| 280 | for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++) |
| 281 | nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter); |
| 282 | if (nb_reqs) |
| 283 | sub2video_push_ref(ist2, pts2); |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | static void sub2video_flush(InputStream *ist) |
| 288 | { |
| 289 | int i; |
| 290 | |
| 291 | if (ist->sub2video.end_pts < INT64_MAX) |
| 292 | sub2video_update(ist, NULL); |
| 293 | for (i = 0; i < ist->nb_filters; i++) |
| 294 | av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); |
| 295 | } |
| 296 | |
| 297 | /* end of sub2video hack */ |
| 298 | |
| 299 | static void term_exit_sigsafe(void) |
| 300 | { |
| 301 | #if HAVE_TERMIOS_H |
| 302 | if(restore_tty) |
| 303 | tcsetattr (0, TCSANOW, &oldtty); |
| 304 | #endif |
| 305 | } |
| 306 | |
| 307 | void term_exit(void) |
| 308 | { |
| 309 | av_log(NULL, AV_LOG_QUIET, "%s", ""); |
| 310 | term_exit_sigsafe(); |
| 311 | } |
| 312 | |
| 313 | static volatile int received_sigterm = 0; |
| 314 | static volatile int received_nb_signals = 0; |
| 315 | static volatile int transcode_init_done = 0; |
| 316 | static int main_return_code = 0; |
| 317 | |
| 318 | static void |
| 319 | sigterm_handler(int sig) |
| 320 | { |
| 321 | received_sigterm = sig; |
| 322 | received_nb_signals++; |
| 323 | term_exit_sigsafe(); |
| 324 | if(received_nb_signals > 3) |
| 325 | exit(123); |
| 326 | } |
| 327 | |
| 328 | void term_init(void) |
| 329 | { |
| 330 | #if HAVE_TERMIOS_H |
| 331 | if(!run_as_daemon){ |
| 332 | struct termios tty; |
| 333 | int istty = 1; |
| 334 | #if HAVE_ISATTY |
| 335 | istty = isatty(0) && isatty(2); |
| 336 | #endif |
| 337 | if (istty && tcgetattr (0, &tty) == 0) { |
| 338 | oldtty = tty; |
| 339 | restore_tty = 1; |
| 340 | |
| 341 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
| 342 | |INLCR|IGNCR|ICRNL|IXON); |
| 343 | tty.c_oflag |= OPOST; |
| 344 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
| 345 | tty.c_cflag &= ~(CSIZE|PARENB); |
| 346 | tty.c_cflag |= CS8; |
| 347 | tty.c_cc[VMIN] = 1; |
| 348 | tty.c_cc[VTIME] = 0; |
| 349 | |
| 350 | tcsetattr (0, TCSANOW, &tty); |
| 351 | } |
| 352 | signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */ |
| 353 | } |
| 354 | #endif |
| 355 | avformat_network_deinit(); |
| 356 | |
| 357 | signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ |
| 358 | signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */ |
| 359 | #ifdef SIGXCPU |
| 360 | signal(SIGXCPU, sigterm_handler); |
| 361 | #endif |
| 362 | } |
| 363 | |
| 364 | /* read a key without blocking */ |
| 365 | static int read_key(void) |
| 366 | { |
| 367 | unsigned char ch; |
| 368 | #if HAVE_TERMIOS_H |
| 369 | int n = 1; |
| 370 | struct timeval tv; |
| 371 | fd_set rfds; |
| 372 | |
| 373 | FD_ZERO(&rfds); |
| 374 | FD_SET(0, &rfds); |
| 375 | tv.tv_sec = 0; |
| 376 | tv.tv_usec = 0; |
| 377 | n = select(1, &rfds, NULL, NULL, &tv); |
| 378 | if (n > 0) { |
| 379 | n = read(0, &ch, 1); |
| 380 | if (n == 1) |
| 381 | return ch; |
| 382 | |
| 383 | return n; |
| 384 | } |
| 385 | #elif HAVE_KBHIT |
| 386 | # if HAVE_PEEKNAMEDPIPE |
| 387 | static int is_pipe; |
| 388 | static HANDLE input_handle; |
| 389 | DWORD dw, nchars; |
| 390 | if(!input_handle){ |
| 391 | input_handle = GetStdHandle(STD_INPUT_HANDLE); |
| 392 | is_pipe = !GetConsoleMode(input_handle, &dw); |
| 393 | } |
| 394 | |
| 395 | if (stdin->_cnt > 0) { |
| 396 | read(0, &ch, 1); |
| 397 | return ch; |
| 398 | } |
| 399 | if (is_pipe) { |
| 400 | /* When running under a GUI, you will end here. */ |
| 401 | if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) { |
| 402 | // input pipe may have been closed by the program that ran ffmpeg |
| 403 | return -1; |
| 404 | } |
| 405 | //Read it |
| 406 | if(nchars != 0) { |
| 407 | read(0, &ch, 1); |
| 408 | return ch; |
| 409 | }else{ |
| 410 | return -1; |
| 411 | } |
| 412 | } |
| 413 | # endif |
| 414 | if(kbhit()) |
| 415 | return(getch()); |
| 416 | #endif |
| 417 | return -1; |
| 418 | } |
| 419 | |
| 420 | static int decode_interrupt_cb(void *ctx) |
| 421 | { |
| 422 | return received_nb_signals > transcode_init_done; |
| 423 | } |
| 424 | |
| 425 | const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; |
| 426 | |
| 427 | static void ffmpeg_cleanup(int ret) |
| 428 | { |
| 429 | int i, j; |
| 430 | |
| 431 | if (do_benchmark) { |
| 432 | int maxrss = getmaxrss() / 1024; |
| 433 | printf("bench: maxrss=%ikB\n", maxrss); |
| 434 | } |
| 435 | |
| 436 | for (i = 0; i < nb_filtergraphs; i++) { |
| 437 | FilterGraph *fg = filtergraphs[i]; |
| 438 | avfilter_graph_free(&fg->graph); |
| 439 | for (j = 0; j < fg->nb_inputs; j++) { |
| 440 | av_freep(&fg->inputs[j]->name); |
| 441 | av_freep(&fg->inputs[j]); |
| 442 | } |
| 443 | av_freep(&fg->inputs); |
| 444 | for (j = 0; j < fg->nb_outputs; j++) { |
| 445 | av_freep(&fg->outputs[j]->name); |
| 446 | av_freep(&fg->outputs[j]); |
| 447 | } |
| 448 | av_freep(&fg->outputs); |
| 449 | av_freep(&fg->graph_desc); |
| 450 | |
| 451 | av_freep(&filtergraphs[i]); |
| 452 | } |
| 453 | av_freep(&filtergraphs); |
| 454 | |
| 455 | av_freep(&subtitle_out); |
| 456 | |
| 457 | /* close files */ |
| 458 | for (i = 0; i < nb_output_files; i++) { |
| 459 | OutputFile *of = output_files[i]; |
| 460 | AVFormatContext *s = of->ctx; |
| 461 | if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb) |
| 462 | avio_close(s->pb); |
| 463 | avformat_free_context(s); |
| 464 | av_dict_free(&of->opts); |
| 465 | |
| 466 | av_freep(&output_files[i]); |
| 467 | } |
| 468 | for (i = 0; i < nb_output_streams; i++) { |
| 469 | OutputStream *ost = output_streams[i]; |
| 470 | AVBitStreamFilterContext *bsfc = ost->bitstream_filters; |
| 471 | while (bsfc) { |
| 472 | AVBitStreamFilterContext *next = bsfc->next; |
| 473 | av_bitstream_filter_close(bsfc); |
| 474 | bsfc = next; |
| 475 | } |
| 476 | ost->bitstream_filters = NULL; |
| 477 | av_frame_free(&ost->filtered_frame); |
| 478 | av_frame_free(&ost->last_frame); |
| 479 | |
| 480 | av_parser_close(ost->parser); |
| 481 | |
| 482 | av_freep(&ost->forced_keyframes); |
| 483 | av_expr_free(ost->forced_keyframes_pexpr); |
| 484 | av_freep(&ost->avfilter); |
| 485 | av_freep(&ost->logfile_prefix); |
| 486 | |
| 487 | av_freep(&ost->audio_channels_map); |
| 488 | ost->audio_channels_mapped = 0; |
| 489 | |
| 490 | avcodec_free_context(&ost->enc_ctx); |
| 491 | |
| 492 | av_freep(&output_streams[i]); |
| 493 | } |
| 494 | #if HAVE_PTHREADS |
| 495 | free_input_threads(); |
| 496 | #endif |
| 497 | for (i = 0; i < nb_input_files; i++) { |
| 498 | avformat_close_input(&input_files[i]->ctx); |
| 499 | av_freep(&input_files[i]); |
| 500 | } |
| 501 | for (i = 0; i < nb_input_streams; i++) { |
| 502 | InputStream *ist = input_streams[i]; |
| 503 | |
| 504 | av_frame_free(&ist->decoded_frame); |
| 505 | av_frame_free(&ist->filter_frame); |
| 506 | av_dict_free(&ist->decoder_opts); |
| 507 | avsubtitle_free(&ist->prev_sub.subtitle); |
| 508 | av_frame_free(&ist->sub2video.frame); |
| 509 | av_freep(&ist->filters); |
| 510 | av_freep(&ist->hwaccel_device); |
| 511 | |
| 512 | avcodec_free_context(&ist->dec_ctx); |
| 513 | |
| 514 | av_freep(&input_streams[i]); |
| 515 | } |
| 516 | |
| 517 | if (vstats_file) |
| 518 | fclose(vstats_file); |
| 519 | av_free(vstats_filename); |
| 520 | |
| 521 | av_freep(&input_streams); |
| 522 | av_freep(&input_files); |
| 523 | av_freep(&output_streams); |
| 524 | av_freep(&output_files); |
| 525 | |
| 526 | uninit_opts(); |
| 527 | |
| 528 | avformat_network_deinit(); |
| 529 | |
| 530 | if (received_sigterm) { |
| 531 | av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n", |
| 532 | (int) received_sigterm); |
| 533 | } else if (ret && transcode_init_done) { |
| 534 | av_log(NULL, AV_LOG_INFO, "Conversion failed!\n"); |
| 535 | } |
| 536 | term_exit(); |
| 537 | } |
| 538 | |
| 539 | void remove_avoptions(AVDictionary **a, AVDictionary *b) |
| 540 | { |
| 541 | AVDictionaryEntry *t = NULL; |
| 542 | |
| 543 | while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) { |
| 544 | av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE); |
| 545 | } |
| 546 | } |
| 547 | |
| 548 | void assert_avoptions(AVDictionary *m) |
| 549 | { |
| 550 | AVDictionaryEntry *t; |
| 551 | if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) { |
| 552 | av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key); |
| 553 | exit_program(1); |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | static void abort_codec_experimental(AVCodec *c, int encoder) |
| 558 | { |
| 559 | exit_program(1); |
| 560 | } |
| 561 | |
| 562 | static void update_benchmark(const char *fmt, ...) |
| 563 | { |
| 564 | if (do_benchmark_all) { |
| 565 | int64_t t = getutime(); |
| 566 | va_list va; |
| 567 | char buf[1024]; |
| 568 | |
| 569 | if (fmt) { |
| 570 | va_start(va, fmt); |
| 571 | vsnprintf(buf, sizeof(buf), fmt, va); |
| 572 | va_end(va); |
| 573 | printf("bench: %8"PRIu64" %s \n", t - current_time, buf); |
| 574 | } |
| 575 | current_time = t; |
| 576 | } |
| 577 | } |
| 578 | |
| 579 | static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others) |
| 580 | { |
| 581 | int i; |
| 582 | for (i = 0; i < nb_output_streams; i++) { |
| 583 | OutputStream *ost2 = output_streams[i]; |
| 584 | ost2->finished |= ost == ost2 ? this_stream : others; |
| 585 | } |
| 586 | } |
| 587 | |
| 588 | static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) |
| 589 | { |
| 590 | AVBitStreamFilterContext *bsfc = ost->bitstream_filters; |
| 591 | AVCodecContext *avctx = ost->st->codec; |
| 592 | int ret; |
| 593 | |
| 594 | if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) { |
| 595 | ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); |
| 596 | if (ost->st->codec->extradata) { |
| 597 | memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size); |
| 598 | ost->st->codec->extradata_size = ost->enc_ctx->extradata_size; |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) || |
| 603 | (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0)) |
| 604 | pkt->pts = pkt->dts = AV_NOPTS_VALUE; |
| 605 | |
| 606 | /* |
| 607 | * Audio encoders may split the packets -- #frames in != #packets out. |
| 608 | * But there is no reordering, so we can limit the number of output packets |
| 609 | * by simply dropping them here. |
| 610 | * Counting encoded video frames needs to be done separately because of |
| 611 | * reordering, see do_video_out() |
| 612 | */ |
| 613 | if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) { |
| 614 | if (ost->frame_number >= ost->max_frames) { |
| 615 | av_free_packet(pkt); |
| 616 | return; |
| 617 | } |
| 618 | ost->frame_number++; |
| 619 | } |
| 620 | |
| 621 | if (bsfc) |
| 622 | av_packet_split_side_data(pkt); |
| 623 | |
| 624 | while (bsfc) { |
| 625 | AVPacket new_pkt = *pkt; |
| 626 | AVDictionaryEntry *bsf_arg = av_dict_get(ost->bsf_args, |
| 627 | bsfc->filter->name, |
| 628 | NULL, 0); |
| 629 | int a = av_bitstream_filter_filter(bsfc, avctx, |
| 630 | bsf_arg ? bsf_arg->value : NULL, |
| 631 | &new_pkt.data, &new_pkt.size, |
| 632 | pkt->data, pkt->size, |
| 633 | pkt->flags & AV_PKT_FLAG_KEY); |
| 634 | if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) { |
| 635 | uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow |
| 636 | if(t) { |
| 637 | memcpy(t, new_pkt.data, new_pkt.size); |
| 638 | memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE); |
| 639 | new_pkt.data = t; |
| 640 | new_pkt.buf = NULL; |
| 641 | a = 1; |
| 642 | } else |
| 643 | a = AVERROR(ENOMEM); |
| 644 | } |
| 645 | if (a > 0) { |
| 646 | pkt->side_data = NULL; |
| 647 | pkt->side_data_elems = 0; |
| 648 | av_free_packet(pkt); |
| 649 | new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size, |
| 650 | av_buffer_default_free, NULL, 0); |
| 651 | if (!new_pkt.buf) |
| 652 | exit_program(1); |
| 653 | } else if (a < 0) { |
| 654 | av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s", |
| 655 | bsfc->filter->name, pkt->stream_index, |
| 656 | avctx->codec ? avctx->codec->name : "copy"); |
| 657 | print_error("", a); |
| 658 | if (exit_on_error) |
| 659 | exit_program(1); |
| 660 | } |
| 661 | *pkt = new_pkt; |
| 662 | |
| 663 | bsfc = bsfc->next; |
| 664 | } |
| 665 | |
| 666 | if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) { |
| 667 | if (pkt->dts != AV_NOPTS_VALUE && |
| 668 | pkt->pts != AV_NOPTS_VALUE && |
| 669 | pkt->dts > pkt->pts) { |
| 670 | av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n", |
| 671 | pkt->dts, pkt->pts, |
| 672 | ost->file_index, ost->st->index); |
| 673 | pkt->pts = |
| 674 | pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1 |
| 675 | - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1) |
| 676 | - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1); |
| 677 | } |
| 678 | if( |
| 679 | (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) && |
| 680 | pkt->dts != AV_NOPTS_VALUE && |
| 681 | ost->last_mux_dts != AV_NOPTS_VALUE) { |
| 682 | int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT); |
| 683 | if (pkt->dts < max) { |
| 684 | int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG; |
| 685 | av_log(s, loglevel, "Non-monotonous DTS in output stream " |
| 686 | "%d:%d; previous: %"PRId64", current: %"PRId64"; ", |
| 687 | ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts); |
| 688 | if (exit_on_error) { |
| 689 | av_log(NULL, AV_LOG_FATAL, "aborting.\n"); |
| 690 | exit_program(1); |
| 691 | } |
| 692 | av_log(s, loglevel, "changing to %"PRId64". This may result " |
| 693 | "in incorrect timestamps in the output file.\n", |
| 694 | max); |
| 695 | if(pkt->pts >= pkt->dts) |
| 696 | pkt->pts = FFMAX(pkt->pts, max); |
| 697 | pkt->dts = max; |
| 698 | } |
| 699 | } |
| 700 | } |
| 701 | ost->last_mux_dts = pkt->dts; |
| 702 | |
| 703 | ost->data_size += pkt->size; |
| 704 | ost->packets_written++; |
| 705 | |
| 706 | pkt->stream_index = ost->index; |
| 707 | |
| 708 | if (debug_ts) { |
| 709 | av_log(NULL, AV_LOG_INFO, "muxer <- type:%s " |
| 710 | "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n", |
| 711 | av_get_media_type_string(ost->enc_ctx->codec_type), |
| 712 | av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base), |
| 713 | av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base), |
| 714 | pkt->size |
| 715 | ); |
| 716 | } |
| 717 | |
| 718 | ret = av_interleaved_write_frame(s, pkt); |
| 719 | if (ret < 0) { |
| 720 | print_error("av_interleaved_write_frame()", ret); |
| 721 | main_return_code = 1; |
| 722 | close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED); |
| 723 | } |
| 724 | av_free_packet(pkt); |
| 725 | } |
| 726 | |
| 727 | static void close_output_stream(OutputStream *ost) |
| 728 | { |
| 729 | OutputFile *of = output_files[ost->file_index]; |
| 730 | |
| 731 | ost->finished |= ENCODER_FINISHED; |
| 732 | if (of->shortest) { |
| 733 | int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q); |
| 734 | of->recording_time = FFMIN(of->recording_time, end); |
| 735 | } |
| 736 | } |
| 737 | |
| 738 | static int check_recording_time(OutputStream *ost) |
| 739 | { |
| 740 | OutputFile *of = output_files[ost->file_index]; |
| 741 | |
| 742 | if (of->recording_time != INT64_MAX && |
| 743 | av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time, |
| 744 | AV_TIME_BASE_Q) >= 0) { |
| 745 | close_output_stream(ost); |
| 746 | return 0; |
| 747 | } |
| 748 | return 1; |
| 749 | } |
| 750 | |
| 751 | static void do_audio_out(AVFormatContext *s, OutputStream *ost, |
| 752 | AVFrame *frame) |
| 753 | { |
| 754 | AVCodecContext *enc = ost->enc_ctx; |
| 755 | AVPacket pkt; |
| 756 | int got_packet = 0; |
| 757 | |
| 758 | av_init_packet(&pkt); |
| 759 | pkt.data = NULL; |
| 760 | pkt.size = 0; |
| 761 | |
| 762 | if (!check_recording_time(ost)) |
| 763 | return; |
| 764 | |
| 765 | if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0) |
| 766 | frame->pts = ost->sync_opts; |
| 767 | ost->sync_opts = frame->pts + frame->nb_samples; |
| 768 | ost->samples_encoded += frame->nb_samples; |
| 769 | ost->frames_encoded++; |
| 770 | |
| 771 | av_assert0(pkt.size || !pkt.data); |
| 772 | update_benchmark(NULL); |
| 773 | if (debug_ts) { |
| 774 | av_log(NULL, AV_LOG_INFO, "encoder <- type:audio " |
| 775 | "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n", |
| 776 | av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base), |
| 777 | enc->time_base.num, enc->time_base.den); |
| 778 | } |
| 779 | |
| 780 | if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) { |
| 781 | av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n"); |
| 782 | exit_program(1); |
| 783 | } |
| 784 | update_benchmark("encode_audio %d.%d", ost->file_index, ost->index); |
| 785 | |
| 786 | if (got_packet) { |
| 787 | av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base); |
| 788 | |
| 789 | if (debug_ts) { |
| 790 | av_log(NULL, AV_LOG_INFO, "encoder -> type:audio " |
| 791 | "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", |
| 792 | av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), |
| 793 | av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); |
| 794 | } |
| 795 | |
| 796 | write_frame(s, &pkt, ost); |
| 797 | } |
| 798 | } |
| 799 | |
| 800 | static void do_subtitle_out(AVFormatContext *s, |
| 801 | OutputStream *ost, |
| 802 | InputStream *ist, |
| 803 | AVSubtitle *sub) |
| 804 | { |
| 805 | int subtitle_out_max_size = 1024 * 1024; |
| 806 | int subtitle_out_size, nb, i; |
| 807 | AVCodecContext *enc; |
| 808 | AVPacket pkt; |
| 809 | int64_t pts; |
| 810 | |
| 811 | if (sub->pts == AV_NOPTS_VALUE) { |
| 812 | av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n"); |
| 813 | if (exit_on_error) |
| 814 | exit_program(1); |
| 815 | return; |
| 816 | } |
| 817 | |
| 818 | enc = ost->enc_ctx; |
| 819 | |
| 820 | if (!subtitle_out) { |
| 821 | subtitle_out = av_malloc(subtitle_out_max_size); |
| 822 | } |
| 823 | |
| 824 | /* Note: DVB subtitle need one packet to draw them and one other |
| 825 | packet to clear them */ |
| 826 | /* XXX: signal it in the codec context ? */ |
| 827 | if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) |
| 828 | nb = 2; |
| 829 | else |
| 830 | nb = 1; |
| 831 | |
| 832 | /* shift timestamp to honor -ss and make check_recording_time() work with -t */ |
| 833 | pts = sub->pts; |
| 834 | if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE) |
| 835 | pts -= output_files[ost->file_index]->start_time; |
| 836 | for (i = 0; i < nb; i++) { |
| 837 | unsigned save_num_rects = sub->num_rects; |
| 838 | |
| 839 | ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base); |
| 840 | if (!check_recording_time(ost)) |
| 841 | return; |
| 842 | |
| 843 | sub->pts = pts; |
| 844 | // start_display_time is required to be 0 |
| 845 | sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q); |
| 846 | sub->end_display_time -= sub->start_display_time; |
| 847 | sub->start_display_time = 0; |
| 848 | if (i == 1) |
| 849 | sub->num_rects = 0; |
| 850 | |
| 851 | ost->frames_encoded++; |
| 852 | |
| 853 | subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out, |
| 854 | subtitle_out_max_size, sub); |
| 855 | if (i == 1) |
| 856 | sub->num_rects = save_num_rects; |
| 857 | if (subtitle_out_size < 0) { |
| 858 | av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n"); |
| 859 | exit_program(1); |
| 860 | } |
| 861 | |
| 862 | av_init_packet(&pkt); |
| 863 | pkt.data = subtitle_out; |
| 864 | pkt.size = subtitle_out_size; |
| 865 | pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base); |
| 866 | pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base); |
| 867 | if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) { |
| 868 | /* XXX: the pts correction is handled here. Maybe handling |
| 869 | it in the codec would be better */ |
| 870 | if (i == 0) |
| 871 | pkt.pts += 90 * sub->start_display_time; |
| 872 | else |
| 873 | pkt.pts += 90 * sub->end_display_time; |
| 874 | } |
| 875 | pkt.dts = pkt.pts; |
| 876 | write_frame(s, &pkt, ost); |
| 877 | } |
| 878 | } |
| 879 | |
| 880 | static void do_video_out(AVFormatContext *s, |
| 881 | OutputStream *ost, |
| 882 | AVFrame *next_picture) |
| 883 | { |
| 884 | int ret, format_video_sync; |
| 885 | AVPacket pkt; |
| 886 | AVCodecContext *enc = ost->enc_ctx; |
| 887 | AVCodecContext *mux_enc = ost->st->codec; |
| 888 | int nb_frames, nb0_frames, i; |
| 889 | double sync_ipts, delta, delta0; |
| 890 | double duration = 0; |
| 891 | int frame_size = 0; |
| 892 | InputStream *ist = NULL; |
| 893 | |
| 894 | if (ost->source_index >= 0) |
| 895 | ist = input_streams[ost->source_index]; |
| 896 | |
| 897 | if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num) |
| 898 | duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)); |
| 899 | |
| 900 | if (!ost->filters_script && |
| 901 | !ost->filters && |
| 902 | next_picture && |
| 903 | ist && |
| 904 | lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) { |
| 905 | duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)); |
| 906 | } |
| 907 | |
| 908 | sync_ipts = next_picture->pts; |
| 909 | delta0 = sync_ipts - ost->sync_opts; |
| 910 | delta = delta0 + duration; |
| 911 | |
| 912 | /* by default, we output a single frame */ |
| 913 | nb0_frames = 0; |
| 914 | nb_frames = 1; |
| 915 | |
| 916 | format_video_sync = video_sync_method; |
| 917 | if (format_video_sync == VSYNC_AUTO) { |
| 918 | if(!strcmp(s->oformat->name, "avi")) { |
| 919 | format_video_sync = VSYNC_VFR; |
| 920 | } else |
| 921 | format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR; |
| 922 | if ( ist |
| 923 | && format_video_sync == VSYNC_CFR |
| 924 | && input_files[ist->file_index]->ctx->nb_streams == 1 |
| 925 | && input_files[ist->file_index]->input_ts_offset == 0) { |
| 926 | format_video_sync = VSYNC_VSCFR; |
| 927 | } |
| 928 | if (format_video_sync == VSYNC_CFR && copy_ts) { |
| 929 | format_video_sync = VSYNC_VSCFR; |
| 930 | } |
| 931 | } |
| 932 | |
| 933 | if (delta0 < 0 && |
| 934 | delta > 0 && |
| 935 | format_video_sync != VSYNC_PASSTHROUGH && |
| 936 | format_video_sync != VSYNC_DROP) { |
| 937 | double cor = FFMIN(-delta0, duration); |
| 938 | av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0); |
| 939 | sync_ipts += cor; |
| 940 | duration -= cor; |
| 941 | delta0 += cor; |
| 942 | } |
| 943 | |
| 944 | switch (format_video_sync) { |
| 945 | case VSYNC_VSCFR: |
| 946 | if (ost->frame_number == 0 && delta - duration >= 0.5) { |
| 947 | av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration)); |
| 948 | delta = duration; |
| 949 | delta0 = 0; |
| 950 | ost->sync_opts = lrint(sync_ipts); |
| 951 | } |
| 952 | case VSYNC_CFR: |
| 953 | // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c |
| 954 | if (delta < -1.1) |
| 955 | nb_frames = 0; |
| 956 | else if (delta > 1.1) { |
| 957 | nb_frames = lrintf(delta); |
| 958 | if (delta0 > 1.1) |
| 959 | nb0_frames = lrintf(delta0 - 0.6); |
| 960 | } |
| 961 | break; |
| 962 | case VSYNC_VFR: |
| 963 | if (delta <= -0.6) |
| 964 | nb_frames = 0; |
| 965 | else if (delta > 0.6) |
| 966 | ost->sync_opts = lrint(sync_ipts); |
| 967 | break; |
| 968 | case VSYNC_DROP: |
| 969 | case VSYNC_PASSTHROUGH: |
| 970 | ost->sync_opts = lrint(sync_ipts); |
| 971 | break; |
| 972 | default: |
| 973 | av_assert0(0); |
| 974 | } |
| 975 | |
| 976 | nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number); |
| 977 | nb0_frames = FFMIN(nb0_frames, nb_frames); |
| 978 | if (nb0_frames == 0 && ost->last_droped) { |
| 979 | nb_frames_drop++; |
| 980 | av_log(NULL, AV_LOG_VERBOSE, |
| 981 | "*** dropping frame %d from stream %d at ts %"PRId64"\n", |
| 982 | ost->frame_number, ost->st->index, ost->last_frame->pts); |
| 983 | } |
| 984 | if (nb_frames > (nb0_frames && ost->last_droped) + (nb_frames > nb0_frames)) { |
| 985 | if (nb_frames > dts_error_threshold * 30) { |
| 986 | av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1); |
| 987 | nb_frames_drop++; |
| 988 | return; |
| 989 | } |
| 990 | nb_frames_dup += nb_frames - (nb0_frames && ost->last_droped) - (nb_frames > nb0_frames); |
| 991 | av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1); |
| 992 | } |
| 993 | ost->last_droped = nb_frames == nb0_frames; |
| 994 | |
| 995 | /* duplicates frame if needed */ |
| 996 | for (i = 0; i < nb_frames; i++) { |
| 997 | AVFrame *in_picture; |
| 998 | av_init_packet(&pkt); |
| 999 | pkt.data = NULL; |
| 1000 | pkt.size = 0; |
| 1001 | |
| 1002 | if (i < nb0_frames && ost->last_frame) { |
| 1003 | in_picture = ost->last_frame; |
| 1004 | } else |
| 1005 | in_picture = next_picture; |
| 1006 | |
| 1007 | in_picture->pts = ost->sync_opts; |
| 1008 | |
| 1009 | #if 1 |
| 1010 | if (!check_recording_time(ost)) |
| 1011 | #else |
| 1012 | if (ost->frame_number >= ost->max_frames) |
| 1013 | #endif |
| 1014 | return; |
| 1015 | |
| 1016 | if (s->oformat->flags & AVFMT_RAWPICTURE && |
| 1017 | enc->codec->id == AV_CODEC_ID_RAWVIDEO) { |
| 1018 | /* raw pictures are written as AVPicture structure to |
| 1019 | avoid any copies. We support temporarily the older |
| 1020 | method. */ |
| 1021 | if (in_picture->interlaced_frame) |
| 1022 | mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT; |
| 1023 | else |
| 1024 | mux_enc->field_order = AV_FIELD_PROGRESSIVE; |
| 1025 | pkt.data = (uint8_t *)in_picture; |
| 1026 | pkt.size = sizeof(AVPicture); |
| 1027 | pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base); |
| 1028 | pkt.flags |= AV_PKT_FLAG_KEY; |
| 1029 | |
| 1030 | write_frame(s, &pkt, ost); |
| 1031 | } else { |
| 1032 | int got_packet, forced_keyframe = 0; |
| 1033 | double pts_time; |
| 1034 | |
| 1035 | if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) && |
| 1036 | ost->top_field_first >= 0) |
| 1037 | in_picture->top_field_first = !!ost->top_field_first; |
| 1038 | |
| 1039 | if (in_picture->interlaced_frame) { |
| 1040 | if (enc->codec->id == AV_CODEC_ID_MJPEG) |
| 1041 | mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB; |
| 1042 | else |
| 1043 | mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT; |
| 1044 | } else |
| 1045 | mux_enc->field_order = AV_FIELD_PROGRESSIVE; |
| 1046 | |
| 1047 | in_picture->quality = enc->global_quality; |
| 1048 | in_picture->pict_type = 0; |
| 1049 | |
| 1050 | pts_time = in_picture->pts != AV_NOPTS_VALUE ? |
| 1051 | in_picture->pts * av_q2d(enc->time_base) : NAN; |
| 1052 | if (ost->forced_kf_index < ost->forced_kf_count && |
| 1053 | in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) { |
| 1054 | ost->forced_kf_index++; |
| 1055 | forced_keyframe = 1; |
| 1056 | } else if (ost->forced_keyframes_pexpr) { |
| 1057 | double res; |
| 1058 | ost->forced_keyframes_expr_const_values[FKF_T] = pts_time; |
| 1059 | res = av_expr_eval(ost->forced_keyframes_pexpr, |
| 1060 | ost->forced_keyframes_expr_const_values, NULL); |
| 1061 | av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n", |
| 1062 | ost->forced_keyframes_expr_const_values[FKF_N], |
| 1063 | ost->forced_keyframes_expr_const_values[FKF_N_FORCED], |
| 1064 | ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N], |
| 1065 | ost->forced_keyframes_expr_const_values[FKF_T], |
| 1066 | ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T], |
| 1067 | res); |
| 1068 | if (res) { |
| 1069 | forced_keyframe = 1; |
| 1070 | ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = |
| 1071 | ost->forced_keyframes_expr_const_values[FKF_N]; |
| 1072 | ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = |
| 1073 | ost->forced_keyframes_expr_const_values[FKF_T]; |
| 1074 | ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1; |
| 1075 | } |
| 1076 | |
| 1077 | ost->forced_keyframes_expr_const_values[FKF_N] += 1; |
| 1078 | } |
| 1079 | |
| 1080 | if (forced_keyframe) { |
| 1081 | in_picture->pict_type = AV_PICTURE_TYPE_I; |
| 1082 | av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time); |
| 1083 | } |
| 1084 | |
| 1085 | update_benchmark(NULL); |
| 1086 | if (debug_ts) { |
| 1087 | av_log(NULL, AV_LOG_INFO, "encoder <- type:video " |
| 1088 | "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n", |
| 1089 | av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base), |
| 1090 | enc->time_base.num, enc->time_base.den); |
| 1091 | } |
| 1092 | |
| 1093 | ost->frames_encoded++; |
| 1094 | |
| 1095 | ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet); |
| 1096 | update_benchmark("encode_video %d.%d", ost->file_index, ost->index); |
| 1097 | if (ret < 0) { |
| 1098 | av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); |
| 1099 | exit_program(1); |
| 1100 | } |
| 1101 | |
| 1102 | if (got_packet) { |
| 1103 | if (debug_ts) { |
| 1104 | av_log(NULL, AV_LOG_INFO, "encoder -> type:video " |
| 1105 | "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", |
| 1106 | av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base), |
| 1107 | av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base)); |
| 1108 | } |
| 1109 | |
| 1110 | if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY)) |
| 1111 | pkt.pts = ost->sync_opts; |
| 1112 | |
| 1113 | av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base); |
| 1114 | |
| 1115 | if (debug_ts) { |
| 1116 | av_log(NULL, AV_LOG_INFO, "encoder -> type:video " |
| 1117 | "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", |
| 1118 | av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), |
| 1119 | av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); |
| 1120 | } |
| 1121 | |
| 1122 | frame_size = pkt.size; |
| 1123 | write_frame(s, &pkt, ost); |
| 1124 | |
| 1125 | /* if two pass, output log */ |
| 1126 | if (ost->logfile && enc->stats_out) { |
| 1127 | fprintf(ost->logfile, "%s", enc->stats_out); |
| 1128 | } |
| 1129 | } |
| 1130 | } |
| 1131 | ost->sync_opts++; |
| 1132 | /* |
| 1133 | * For video, number of frames in == number of packets out. |
| 1134 | * But there may be reordering, so we can't throw away frames on encoder |
| 1135 | * flush, we need to limit them here, before they go into encoder. |
| 1136 | */ |
| 1137 | ost->frame_number++; |
| 1138 | |
| 1139 | if (vstats_filename && frame_size) |
| 1140 | do_video_stats(ost, frame_size); |
| 1141 | } |
| 1142 | |
| 1143 | if (!ost->last_frame) |
| 1144 | ost->last_frame = av_frame_alloc(); |
| 1145 | av_frame_unref(ost->last_frame); |
| 1146 | av_frame_ref(ost->last_frame, next_picture); |
| 1147 | } |
| 1148 | |
| 1149 | static double psnr(double d) |
| 1150 | { |
| 1151 | return -10.0 * log(d) / log(10.0); |
| 1152 | } |
| 1153 | |
| 1154 | static void do_video_stats(OutputStream *ost, int frame_size) |
| 1155 | { |
| 1156 | AVCodecContext *enc; |
| 1157 | int frame_number; |
| 1158 | double ti1, bitrate, avg_bitrate; |
| 1159 | |
| 1160 | /* this is executed just the first time do_video_stats is called */ |
| 1161 | if (!vstats_file) { |
| 1162 | vstats_file = fopen(vstats_filename, "w"); |
| 1163 | if (!vstats_file) { |
| 1164 | perror("fopen"); |
| 1165 | exit_program(1); |
| 1166 | } |
| 1167 | } |
| 1168 | |
| 1169 | enc = ost->enc_ctx; |
| 1170 | if (enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 1171 | frame_number = ost->st->nb_frames; |
| 1172 | fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA); |
| 1173 | if (enc->flags&CODEC_FLAG_PSNR) |
| 1174 | fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0))); |
| 1175 | |
| 1176 | fprintf(vstats_file,"f_size= %6d ", frame_size); |
| 1177 | /* compute pts value */ |
| 1178 | ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base); |
| 1179 | if (ti1 < 0.01) |
| 1180 | ti1 = 0.01; |
| 1181 | |
| 1182 | bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; |
| 1183 | avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0; |
| 1184 | fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", |
| 1185 | (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate); |
| 1186 | fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type)); |
| 1187 | } |
| 1188 | } |
| 1189 | |
| 1190 | static void finish_output_stream(OutputStream *ost) |
| 1191 | { |
| 1192 | OutputFile *of = output_files[ost->file_index]; |
| 1193 | int i; |
| 1194 | |
| 1195 | ost->finished = ENCODER_FINISHED | MUXER_FINISHED; |
| 1196 | |
| 1197 | if (of->shortest) { |
| 1198 | for (i = 0; i < of->ctx->nb_streams; i++) |
| 1199 | output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED; |
| 1200 | } |
| 1201 | } |
| 1202 | |
| 1203 | /** |
| 1204 | * Get and encode new output from any of the filtergraphs, without causing |
| 1205 | * activity. |
| 1206 | * |
| 1207 | * @return 0 for success, <0 for severe errors |
| 1208 | */ |
| 1209 | static int reap_filters(void) |
| 1210 | { |
| 1211 | AVFrame *filtered_frame = NULL; |
| 1212 | int i; |
| 1213 | int64_t frame_pts; |
| 1214 | |
| 1215 | /* Reap all buffers present in the buffer sinks */ |
| 1216 | for (i = 0; i < nb_output_streams; i++) { |
| 1217 | OutputStream *ost = output_streams[i]; |
| 1218 | OutputFile *of = output_files[ost->file_index]; |
| 1219 | AVFilterContext *filter; |
| 1220 | AVCodecContext *enc = ost->enc_ctx; |
| 1221 | int ret = 0; |
| 1222 | |
| 1223 | if (!ost->filter) |
| 1224 | continue; |
| 1225 | filter = ost->filter->filter; |
| 1226 | |
| 1227 | if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) { |
| 1228 | return AVERROR(ENOMEM); |
| 1229 | } |
| 1230 | filtered_frame = ost->filtered_frame; |
| 1231 | |
| 1232 | while (1) { |
| 1233 | ret = av_buffersink_get_frame_flags(filter, filtered_frame, |
| 1234 | AV_BUFFERSINK_FLAG_NO_REQUEST); |
| 1235 | if (ret < 0) { |
| 1236 | if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) { |
| 1237 | av_log(NULL, AV_LOG_WARNING, |
| 1238 | "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret)); |
| 1239 | } |
| 1240 | break; |
| 1241 | } |
| 1242 | if (ost->finished) { |
| 1243 | av_frame_unref(filtered_frame); |
| 1244 | continue; |
| 1245 | } |
| 1246 | frame_pts = AV_NOPTS_VALUE; |
| 1247 | if (filtered_frame->pts != AV_NOPTS_VALUE) { |
| 1248 | int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time; |
| 1249 | filtered_frame->pts = frame_pts = |
| 1250 | av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) - |
| 1251 | av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base); |
| 1252 | } |
| 1253 | //if (ost->source_index >= 0) |
| 1254 | // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold |
| 1255 | |
| 1256 | switch (filter->inputs[0]->type) { |
| 1257 | case AVMEDIA_TYPE_VIDEO: |
| 1258 | filtered_frame->pts = frame_pts; |
| 1259 | if (!ost->frame_aspect_ratio.num) |
| 1260 | enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio; |
| 1261 | |
| 1262 | if (debug_ts) { |
| 1263 | av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n", |
| 1264 | av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base), |
| 1265 | enc->time_base.num, enc->time_base.den); |
| 1266 | } |
| 1267 | |
| 1268 | do_video_out(of->ctx, ost, filtered_frame); |
| 1269 | break; |
| 1270 | case AVMEDIA_TYPE_AUDIO: |
| 1271 | filtered_frame->pts = frame_pts; |
| 1272 | if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) && |
| 1273 | enc->channels != av_frame_get_channels(filtered_frame)) { |
| 1274 | av_log(NULL, AV_LOG_ERROR, |
| 1275 | "Audio filter graph output is not normalized and encoder does not support parameter changes\n"); |
| 1276 | break; |
| 1277 | } |
| 1278 | do_audio_out(of->ctx, ost, filtered_frame); |
| 1279 | break; |
| 1280 | default: |
| 1281 | // TODO support subtitle filters |
| 1282 | av_assert0(0); |
| 1283 | } |
| 1284 | |
| 1285 | av_frame_unref(filtered_frame); |
| 1286 | } |
| 1287 | } |
| 1288 | |
| 1289 | return 0; |
| 1290 | } |
| 1291 | |
| 1292 | static void print_final_stats(int64_t total_size) |
| 1293 | { |
| 1294 | uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0; |
| 1295 | uint64_t subtitle_size = 0; |
| 1296 | uint64_t data_size = 0; |
| 1297 | float percent = -1.0; |
| 1298 | int i, j; |
| 1299 | |
| 1300 | for (i = 0; i < nb_output_streams; i++) { |
| 1301 | OutputStream *ost = output_streams[i]; |
| 1302 | switch (ost->enc_ctx->codec_type) { |
| 1303 | case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break; |
| 1304 | case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break; |
| 1305 | case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break; |
| 1306 | default: other_size += ost->data_size; break; |
| 1307 | } |
| 1308 | extra_size += ost->enc_ctx->extradata_size; |
| 1309 | data_size += ost->data_size; |
| 1310 | } |
| 1311 | |
| 1312 | if (data_size && total_size>0 && total_size >= data_size) |
| 1313 | percent = 100.0 * (total_size - data_size) / data_size; |
| 1314 | |
| 1315 | av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ", |
| 1316 | video_size / 1024.0, |
| 1317 | audio_size / 1024.0, |
| 1318 | subtitle_size / 1024.0, |
| 1319 | other_size / 1024.0, |
| 1320 | extra_size / 1024.0); |
| 1321 | if (percent >= 0.0) |
| 1322 | av_log(NULL, AV_LOG_INFO, "%f%%", percent); |
| 1323 | else |
| 1324 | av_log(NULL, AV_LOG_INFO, "unknown"); |
| 1325 | av_log(NULL, AV_LOG_INFO, "\n"); |
| 1326 | |
| 1327 | /* print verbose per-stream stats */ |
| 1328 | for (i = 0; i < nb_input_files; i++) { |
| 1329 | InputFile *f = input_files[i]; |
| 1330 | uint64_t total_packets = 0, total_size = 0; |
| 1331 | |
| 1332 | av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n", |
| 1333 | i, f->ctx->filename); |
| 1334 | |
| 1335 | for (j = 0; j < f->nb_streams; j++) { |
| 1336 | InputStream *ist = input_streams[f->ist_index + j]; |
| 1337 | enum AVMediaType type = ist->dec_ctx->codec_type; |
| 1338 | |
| 1339 | total_size += ist->data_size; |
| 1340 | total_packets += ist->nb_packets; |
| 1341 | |
| 1342 | av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ", |
| 1343 | i, j, media_type_string(type)); |
| 1344 | av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ", |
| 1345 | ist->nb_packets, ist->data_size); |
| 1346 | |
| 1347 | if (ist->decoding_needed) { |
| 1348 | av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded", |
| 1349 | ist->frames_decoded); |
| 1350 | if (type == AVMEDIA_TYPE_AUDIO) |
| 1351 | av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded); |
| 1352 | av_log(NULL, AV_LOG_VERBOSE, "; "); |
| 1353 | } |
| 1354 | |
| 1355 | av_log(NULL, AV_LOG_VERBOSE, "\n"); |
| 1356 | } |
| 1357 | |
| 1358 | av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n", |
| 1359 | total_packets, total_size); |
| 1360 | } |
| 1361 | |
| 1362 | for (i = 0; i < nb_output_files; i++) { |
| 1363 | OutputFile *of = output_files[i]; |
| 1364 | uint64_t total_packets = 0, total_size = 0; |
| 1365 | |
| 1366 | av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n", |
| 1367 | i, of->ctx->filename); |
| 1368 | |
| 1369 | for (j = 0; j < of->ctx->nb_streams; j++) { |
| 1370 | OutputStream *ost = output_streams[of->ost_index + j]; |
| 1371 | enum AVMediaType type = ost->enc_ctx->codec_type; |
| 1372 | |
| 1373 | total_size += ost->data_size; |
| 1374 | total_packets += ost->packets_written; |
| 1375 | |
| 1376 | av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ", |
| 1377 | i, j, media_type_string(type)); |
| 1378 | if (ost->encoding_needed) { |
| 1379 | av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded", |
| 1380 | ost->frames_encoded); |
| 1381 | if (type == AVMEDIA_TYPE_AUDIO) |
| 1382 | av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded); |
| 1383 | av_log(NULL, AV_LOG_VERBOSE, "; "); |
| 1384 | } |
| 1385 | |
| 1386 | av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ", |
| 1387 | ost->packets_written, ost->data_size); |
| 1388 | |
| 1389 | av_log(NULL, AV_LOG_VERBOSE, "\n"); |
| 1390 | } |
| 1391 | |
| 1392 | av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n", |
| 1393 | total_packets, total_size); |
| 1394 | } |
| 1395 | if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){ |
| 1396 | av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n"); |
| 1397 | } |
| 1398 | } |
| 1399 | |
| 1400 | static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time) |
| 1401 | { |
| 1402 | char buf[1024]; |
| 1403 | AVBPrint buf_script; |
| 1404 | OutputStream *ost; |
| 1405 | AVFormatContext *oc; |
| 1406 | int64_t total_size; |
| 1407 | AVCodecContext *enc; |
| 1408 | int frame_number, vid, i; |
| 1409 | double bitrate; |
| 1410 | int64_t pts = INT64_MIN; |
| 1411 | static int64_t last_time = -1; |
| 1412 | static int qp_histogram[52]; |
| 1413 | int hours, mins, secs, us; |
| 1414 | |
| 1415 | if (!print_stats && !is_last_report && !progress_avio) |
| 1416 | return; |
| 1417 | |
| 1418 | if (!is_last_report) { |
| 1419 | if (last_time == -1) { |
| 1420 | last_time = cur_time; |
| 1421 | return; |
| 1422 | } |
| 1423 | if ((cur_time - last_time) < 500000) |
| 1424 | return; |
| 1425 | last_time = cur_time; |
| 1426 | } |
| 1427 | |
| 1428 | |
| 1429 | oc = output_files[0]->ctx; |
| 1430 | |
| 1431 | total_size = avio_size(oc->pb); |
| 1432 | if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too |
| 1433 | total_size = avio_tell(oc->pb); |
| 1434 | |
| 1435 | buf[0] = '\0'; |
| 1436 | vid = 0; |
| 1437 | av_bprint_init(&buf_script, 0, 1); |
| 1438 | for (i = 0; i < nb_output_streams; i++) { |
| 1439 | float q = -1; |
| 1440 | ost = output_streams[i]; |
| 1441 | enc = ost->enc_ctx; |
| 1442 | if (!ost->stream_copy && enc->coded_frame) |
| 1443 | q = enc->coded_frame->quality / (float)FF_QP2LAMBDA; |
| 1444 | if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 1445 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); |
| 1446 | av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n", |
| 1447 | ost->file_index, ost->index, q); |
| 1448 | } |
| 1449 | if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 1450 | float fps, t = (cur_time-timer_start) / 1000000.0; |
| 1451 | |
| 1452 | frame_number = ost->frame_number; |
| 1453 | fps = t > 1 ? frame_number / t : 0; |
| 1454 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ", |
| 1455 | frame_number, fps < 9.95, fps, q); |
| 1456 | av_bprintf(&buf_script, "frame=%d\n", frame_number); |
| 1457 | av_bprintf(&buf_script, "fps=%.1f\n", fps); |
| 1458 | av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n", |
| 1459 | ost->file_index, ost->index, q); |
| 1460 | if (is_last_report) |
| 1461 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L"); |
| 1462 | if (qp_hist) { |
| 1463 | int j; |
| 1464 | int qp = lrintf(q); |
| 1465 | if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram)) |
| 1466 | qp_histogram[qp]++; |
| 1467 | for (j = 0; j < 32; j++) |
| 1468 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1))); |
| 1469 | } |
| 1470 | if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) { |
| 1471 | int j; |
| 1472 | double error, error_sum = 0; |
| 1473 | double scale, scale_sum = 0; |
| 1474 | double p; |
| 1475 | char type[3] = { 'Y','U','V' }; |
| 1476 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR="); |
| 1477 | for (j = 0; j < 3; j++) { |
| 1478 | if (is_last_report) { |
| 1479 | error = enc->error[j]; |
| 1480 | scale = enc->width * enc->height * 255.0 * 255.0 * frame_number; |
| 1481 | } else { |
| 1482 | error = enc->coded_frame->error[j]; |
| 1483 | scale = enc->width * enc->height * 255.0 * 255.0; |
| 1484 | } |
| 1485 | if (j) |
| 1486 | scale /= 4; |
| 1487 | error_sum += error; |
| 1488 | scale_sum += scale; |
| 1489 | p = psnr(error / scale); |
| 1490 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p); |
| 1491 | av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n", |
| 1492 | ost->file_index, ost->index, type[j] | 32, p); |
| 1493 | } |
| 1494 | p = psnr(error_sum / scale_sum); |
| 1495 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum)); |
| 1496 | av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n", |
| 1497 | ost->file_index, ost->index, p); |
| 1498 | } |
| 1499 | vid = 1; |
| 1500 | } |
| 1501 | /* compute min output value */ |
| 1502 | if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE) |
| 1503 | pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st), |
| 1504 | ost->st->time_base, AV_TIME_BASE_Q)); |
| 1505 | if (is_last_report) |
| 1506 | nb_frames_drop += ost->last_droped; |
| 1507 | } |
| 1508 | |
| 1509 | secs = pts / AV_TIME_BASE; |
| 1510 | us = pts % AV_TIME_BASE; |
| 1511 | mins = secs / 60; |
| 1512 | secs %= 60; |
| 1513 | hours = mins / 60; |
| 1514 | mins %= 60; |
| 1515 | |
| 1516 | bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1; |
| 1517 | |
| 1518 | if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 1519 | "size=N/A time="); |
| 1520 | else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 1521 | "size=%8.0fkB time=", total_size / 1024.0); |
| 1522 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 1523 | "%02d:%02d:%02d.%02d ", hours, mins, secs, |
| 1524 | (100 * us) / AV_TIME_BASE); |
| 1525 | if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 1526 | "bitrate=N/A"); |
| 1527 | else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 1528 | "bitrate=%6.1fkbits/s", bitrate); |
| 1529 | if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n"); |
| 1530 | else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size); |
| 1531 | av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts); |
| 1532 | av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n", |
| 1533 | hours, mins, secs, us); |
| 1534 | |
| 1535 | if (nb_frames_dup || nb_frames_drop) |
| 1536 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d", |
| 1537 | nb_frames_dup, nb_frames_drop); |
| 1538 | av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup); |
| 1539 | av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop); |
| 1540 | |
| 1541 | if (print_stats || is_last_report) { |
| 1542 | const char end = is_last_report ? '\n' : '\r'; |
| 1543 | if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) { |
| 1544 | fprintf(stderr, "%s %c", buf, end); |
| 1545 | } else |
| 1546 | av_log(NULL, AV_LOG_INFO, "%s %c", buf, end); |
| 1547 | |
| 1548 | fflush(stderr); |
| 1549 | } |
| 1550 | |
| 1551 | if (progress_avio) { |
| 1552 | av_bprintf(&buf_script, "progress=%s\n", |
| 1553 | is_last_report ? "end" : "continue"); |
| 1554 | avio_write(progress_avio, buf_script.str, |
| 1555 | FFMIN(buf_script.len, buf_script.size - 1)); |
| 1556 | avio_flush(progress_avio); |
| 1557 | av_bprint_finalize(&buf_script, NULL); |
| 1558 | if (is_last_report) { |
| 1559 | avio_close(progress_avio); |
| 1560 | progress_avio = NULL; |
| 1561 | } |
| 1562 | } |
| 1563 | |
| 1564 | if (is_last_report) |
| 1565 | print_final_stats(total_size); |
| 1566 | } |
| 1567 | |
| 1568 | static void flush_encoders(void) |
| 1569 | { |
| 1570 | int i, ret; |
| 1571 | |
| 1572 | for (i = 0; i < nb_output_streams; i++) { |
| 1573 | OutputStream *ost = output_streams[i]; |
| 1574 | AVCodecContext *enc = ost->enc_ctx; |
| 1575 | AVFormatContext *os = output_files[ost->file_index]->ctx; |
| 1576 | int stop_encoding = 0; |
| 1577 | |
| 1578 | if (!ost->encoding_needed) |
| 1579 | continue; |
| 1580 | |
| 1581 | if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1) |
| 1582 | continue; |
| 1583 | if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO) |
| 1584 | continue; |
| 1585 | |
| 1586 | for (;;) { |
| 1587 | int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL; |
| 1588 | const char *desc; |
| 1589 | |
| 1590 | switch (enc->codec_type) { |
| 1591 | case AVMEDIA_TYPE_AUDIO: |
| 1592 | encode = avcodec_encode_audio2; |
| 1593 | desc = "Audio"; |
| 1594 | break; |
| 1595 | case AVMEDIA_TYPE_VIDEO: |
| 1596 | encode = avcodec_encode_video2; |
| 1597 | desc = "Video"; |
| 1598 | break; |
| 1599 | default: |
| 1600 | stop_encoding = 1; |
| 1601 | } |
| 1602 | |
| 1603 | if (encode) { |
| 1604 | AVPacket pkt; |
| 1605 | int pkt_size; |
| 1606 | int got_packet; |
| 1607 | av_init_packet(&pkt); |
| 1608 | pkt.data = NULL; |
| 1609 | pkt.size = 0; |
| 1610 | |
| 1611 | update_benchmark(NULL); |
| 1612 | ret = encode(enc, &pkt, NULL, &got_packet); |
| 1613 | update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index); |
| 1614 | if (ret < 0) { |
| 1615 | av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc); |
| 1616 | exit_program(1); |
| 1617 | } |
| 1618 | if (ost->logfile && enc->stats_out) { |
| 1619 | fprintf(ost->logfile, "%s", enc->stats_out); |
| 1620 | } |
| 1621 | if (!got_packet) { |
| 1622 | stop_encoding = 1; |
| 1623 | break; |
| 1624 | } |
| 1625 | if (ost->finished & MUXER_FINISHED) { |
| 1626 | av_free_packet(&pkt); |
| 1627 | continue; |
| 1628 | } |
| 1629 | av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base); |
| 1630 | pkt_size = pkt.size; |
| 1631 | write_frame(os, &pkt, ost); |
| 1632 | if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) { |
| 1633 | do_video_stats(ost, pkt_size); |
| 1634 | } |
| 1635 | } |
| 1636 | |
| 1637 | if (stop_encoding) |
| 1638 | break; |
| 1639 | } |
| 1640 | } |
| 1641 | } |
| 1642 | |
| 1643 | /* |
| 1644 | * Check whether a packet from ist should be written into ost at this time |
| 1645 | */ |
| 1646 | static int check_output_constraints(InputStream *ist, OutputStream *ost) |
| 1647 | { |
| 1648 | OutputFile *of = output_files[ost->file_index]; |
| 1649 | int ist_index = input_files[ist->file_index]->ist_index + ist->st->index; |
| 1650 | |
| 1651 | if (ost->source_index != ist_index) |
| 1652 | return 0; |
| 1653 | |
| 1654 | if (ost->finished) |
| 1655 | return 0; |
| 1656 | |
| 1657 | if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time) |
| 1658 | return 0; |
| 1659 | |
| 1660 | return 1; |
| 1661 | } |
| 1662 | |
| 1663 | static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt) |
| 1664 | { |
| 1665 | OutputFile *of = output_files[ost->file_index]; |
| 1666 | InputFile *f = input_files [ist->file_index]; |
| 1667 | int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time; |
| 1668 | int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base); |
| 1669 | int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base); |
| 1670 | AVPicture pict; |
| 1671 | AVPacket opkt; |
| 1672 | |
| 1673 | av_init_packet(&opkt); |
| 1674 | |
| 1675 | if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && |
| 1676 | !ost->copy_initial_nonkeyframes) |
| 1677 | return; |
| 1678 | |
| 1679 | if (pkt->pts == AV_NOPTS_VALUE) { |
| 1680 | if (!ost->frame_number && ist->pts < start_time && |
| 1681 | !ost->copy_prior_start) |
| 1682 | return; |
| 1683 | } else { |
| 1684 | if (!ost->frame_number && pkt->pts < ist_tb_start_time && |
| 1685 | !ost->copy_prior_start) |
| 1686 | return; |
| 1687 | } |
| 1688 | |
| 1689 | if (of->recording_time != INT64_MAX && |
| 1690 | ist->pts >= of->recording_time + start_time) { |
| 1691 | close_output_stream(ost); |
| 1692 | return; |
| 1693 | } |
| 1694 | |
| 1695 | if (f->recording_time != INT64_MAX) { |
| 1696 | start_time = f->ctx->start_time; |
| 1697 | if (f->start_time != AV_NOPTS_VALUE) |
| 1698 | start_time += f->start_time; |
| 1699 | if (ist->pts >= f->recording_time + start_time) { |
| 1700 | close_output_stream(ost); |
| 1701 | return; |
| 1702 | } |
| 1703 | } |
| 1704 | |
| 1705 | /* force the input stream PTS */ |
| 1706 | if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) |
| 1707 | ost->sync_opts++; |
| 1708 | |
| 1709 | if (pkt->pts != AV_NOPTS_VALUE) |
| 1710 | opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time; |
| 1711 | else |
| 1712 | opkt.pts = AV_NOPTS_VALUE; |
| 1713 | |
| 1714 | if (pkt->dts == AV_NOPTS_VALUE) |
| 1715 | opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base); |
| 1716 | else |
| 1717 | opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base); |
| 1718 | opkt.dts -= ost_tb_start_time; |
| 1719 | |
| 1720 | if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) { |
| 1721 | int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size); |
| 1722 | if(!duration) |
| 1723 | duration = ist->dec_ctx->frame_size; |
| 1724 | opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts, |
| 1725 | (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last, |
| 1726 | ost->st->time_base) - ost_tb_start_time; |
| 1727 | } |
| 1728 | |
| 1729 | opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base); |
| 1730 | opkt.flags = pkt->flags; |
| 1731 | |
| 1732 | // FIXME remove the following 2 lines they shall be replaced by the bitstream filters |
| 1733 | if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264 |
| 1734 | && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO |
| 1735 | && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO |
| 1736 | && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1 |
| 1737 | ) { |
| 1738 | if (av_parser_change(ost->parser, ost->st->codec, |
| 1739 | &opkt.data, &opkt.size, |
| 1740 | pkt->data, pkt->size, |
| 1741 | pkt->flags & AV_PKT_FLAG_KEY)) { |
| 1742 | opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0); |
| 1743 | if (!opkt.buf) |
| 1744 | exit_program(1); |
| 1745 | } |
| 1746 | } else { |
| 1747 | opkt.data = pkt->data; |
| 1748 | opkt.size = pkt->size; |
| 1749 | } |
| 1750 | av_copy_packet_side_data(&opkt, pkt); |
| 1751 | |
| 1752 | if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) { |
| 1753 | /* store AVPicture in AVPacket, as expected by the output format */ |
| 1754 | avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height); |
| 1755 | opkt.data = (uint8_t *)&pict; |
| 1756 | opkt.size = sizeof(AVPicture); |
| 1757 | opkt.flags |= AV_PKT_FLAG_KEY; |
| 1758 | } |
| 1759 | |
| 1760 | write_frame(of->ctx, &opkt, ost); |
| 1761 | } |
| 1762 | |
| 1763 | int guess_input_channel_layout(InputStream *ist) |
| 1764 | { |
| 1765 | AVCodecContext *dec = ist->dec_ctx; |
| 1766 | |
| 1767 | if (!dec->channel_layout) { |
| 1768 | char layout_name[256]; |
| 1769 | |
| 1770 | if (dec->channels > ist->guess_layout_max) |
| 1771 | return 0; |
| 1772 | dec->channel_layout = av_get_default_channel_layout(dec->channels); |
| 1773 | if (!dec->channel_layout) |
| 1774 | return 0; |
| 1775 | av_get_channel_layout_string(layout_name, sizeof(layout_name), |
| 1776 | dec->channels, dec->channel_layout); |
| 1777 | av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream " |
| 1778 | "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name); |
| 1779 | } |
| 1780 | return 1; |
| 1781 | } |
| 1782 | |
| 1783 | static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output) |
| 1784 | { |
| 1785 | AVFrame *decoded_frame, *f; |
| 1786 | AVCodecContext *avctx = ist->dec_ctx; |
| 1787 | int i, ret, err = 0, resample_changed; |
| 1788 | AVRational decoded_frame_tb; |
| 1789 | |
| 1790 | if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc())) |
| 1791 | return AVERROR(ENOMEM); |
| 1792 | if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) |
| 1793 | return AVERROR(ENOMEM); |
| 1794 | decoded_frame = ist->decoded_frame; |
| 1795 | |
| 1796 | update_benchmark(NULL); |
| 1797 | ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt); |
| 1798 | update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index); |
| 1799 | |
| 1800 | if (ret >= 0 && avctx->sample_rate <= 0) { |
| 1801 | av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate); |
| 1802 | ret = AVERROR_INVALIDDATA; |
| 1803 | } |
| 1804 | |
| 1805 | if (*got_output || ret<0 || pkt->size) |
| 1806 | decode_error_stat[ret<0] ++; |
| 1807 | |
| 1808 | if (!*got_output || ret < 0) { |
| 1809 | if (!pkt->size) { |
| 1810 | for (i = 0; i < ist->nb_filters; i++) |
| 1811 | #if 1 |
| 1812 | av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); |
| 1813 | #else |
| 1814 | av_buffersrc_add_frame(ist->filters[i]->filter, NULL); |
| 1815 | #endif |
| 1816 | } |
| 1817 | return ret; |
| 1818 | } |
| 1819 | |
| 1820 | ist->samples_decoded += decoded_frame->nb_samples; |
| 1821 | ist->frames_decoded++; |
| 1822 | |
| 1823 | #if 1 |
| 1824 | /* increment next_dts to use for the case where the input stream does not |
| 1825 | have timestamps or there are multiple frames in the packet */ |
| 1826 | ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) / |
| 1827 | avctx->sample_rate; |
| 1828 | ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) / |
| 1829 | avctx->sample_rate; |
| 1830 | #endif |
| 1831 | |
| 1832 | resample_changed = ist->resample_sample_fmt != decoded_frame->format || |
| 1833 | ist->resample_channels != avctx->channels || |
| 1834 | ist->resample_channel_layout != decoded_frame->channel_layout || |
| 1835 | ist->resample_sample_rate != decoded_frame->sample_rate; |
| 1836 | if (resample_changed) { |
| 1837 | char layout1[64], layout2[64]; |
| 1838 | |
| 1839 | if (!guess_input_channel_layout(ist)) { |
| 1840 | av_log(NULL, AV_LOG_FATAL, "Unable to find default channel " |
| 1841 | "layout for Input Stream #%d.%d\n", ist->file_index, |
| 1842 | ist->st->index); |
| 1843 | exit_program(1); |
| 1844 | } |
| 1845 | decoded_frame->channel_layout = avctx->channel_layout; |
| 1846 | |
| 1847 | av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels, |
| 1848 | ist->resample_channel_layout); |
| 1849 | av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels, |
| 1850 | decoded_frame->channel_layout); |
| 1851 | |
| 1852 | av_log(NULL, AV_LOG_INFO, |
| 1853 | "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n", |
| 1854 | ist->file_index, ist->st->index, |
| 1855 | ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt), |
| 1856 | ist->resample_channels, layout1, |
| 1857 | decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format), |
| 1858 | avctx->channels, layout2); |
| 1859 | |
| 1860 | ist->resample_sample_fmt = decoded_frame->format; |
| 1861 | ist->resample_sample_rate = decoded_frame->sample_rate; |
| 1862 | ist->resample_channel_layout = decoded_frame->channel_layout; |
| 1863 | ist->resample_channels = avctx->channels; |
| 1864 | |
| 1865 | for (i = 0; i < nb_filtergraphs; i++) |
| 1866 | if (ist_in_filtergraph(filtergraphs[i], ist)) { |
| 1867 | FilterGraph *fg = filtergraphs[i]; |
| 1868 | if (configure_filtergraph(fg) < 0) { |
| 1869 | av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); |
| 1870 | exit_program(1); |
| 1871 | } |
| 1872 | } |
| 1873 | } |
| 1874 | |
| 1875 | /* if the decoder provides a pts, use it instead of the last packet pts. |
| 1876 | the decoder could be delaying output by a packet or more. */ |
| 1877 | if (decoded_frame->pts != AV_NOPTS_VALUE) { |
| 1878 | ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q); |
| 1879 | decoded_frame_tb = avctx->time_base; |
| 1880 | } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) { |
| 1881 | decoded_frame->pts = decoded_frame->pkt_pts; |
| 1882 | decoded_frame_tb = ist->st->time_base; |
| 1883 | } else if (pkt->pts != AV_NOPTS_VALUE) { |
| 1884 | decoded_frame->pts = pkt->pts; |
| 1885 | decoded_frame_tb = ist->st->time_base; |
| 1886 | }else { |
| 1887 | decoded_frame->pts = ist->dts; |
| 1888 | decoded_frame_tb = AV_TIME_BASE_Q; |
| 1889 | } |
| 1890 | pkt->pts = AV_NOPTS_VALUE; |
| 1891 | if (decoded_frame->pts != AV_NOPTS_VALUE) |
| 1892 | decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts, |
| 1893 | (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last, |
| 1894 | (AVRational){1, avctx->sample_rate}); |
| 1895 | for (i = 0; i < ist->nb_filters; i++) { |
| 1896 | if (i < ist->nb_filters - 1) { |
| 1897 | f = ist->filter_frame; |
| 1898 | err = av_frame_ref(f, decoded_frame); |
| 1899 | if (err < 0) |
| 1900 | break; |
| 1901 | } else |
| 1902 | f = decoded_frame; |
| 1903 | err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, |
| 1904 | AV_BUFFERSRC_FLAG_PUSH); |
| 1905 | if (err == AVERROR_EOF) |
| 1906 | err = 0; /* ignore */ |
| 1907 | if (err < 0) |
| 1908 | break; |
| 1909 | } |
| 1910 | decoded_frame->pts = AV_NOPTS_VALUE; |
| 1911 | |
| 1912 | av_frame_unref(ist->filter_frame); |
| 1913 | av_frame_unref(decoded_frame); |
| 1914 | return err < 0 ? err : ret; |
| 1915 | } |
| 1916 | |
| 1917 | static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output) |
| 1918 | { |
| 1919 | AVFrame *decoded_frame, *f; |
| 1920 | int i, ret = 0, err = 0, resample_changed; |
| 1921 | int64_t best_effort_timestamp; |
| 1922 | AVRational *frame_sample_aspect; |
| 1923 | |
| 1924 | if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc())) |
| 1925 | return AVERROR(ENOMEM); |
| 1926 | if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) |
| 1927 | return AVERROR(ENOMEM); |
| 1928 | decoded_frame = ist->decoded_frame; |
| 1929 | pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base); |
| 1930 | |
| 1931 | update_benchmark(NULL); |
| 1932 | ret = avcodec_decode_video2(ist->dec_ctx, |
| 1933 | decoded_frame, got_output, pkt); |
| 1934 | update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index); |
| 1935 | |
| 1936 | // The following line may be required in some cases where there is no parser |
| 1937 | // or the parser does not has_b_frames correctly |
| 1938 | if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) { |
| 1939 | if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) { |
| 1940 | ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames; |
| 1941 | } else |
| 1942 | av_log_ask_for_sample( |
| 1943 | ist->dec_ctx, |
| 1944 | "has_b_frames is larger in decoder than demuxer %d > %d ", |
| 1945 | ist->dec_ctx->has_b_frames, |
| 1946 | ist->st->codec->has_b_frames |
| 1947 | ); |
| 1948 | } |
| 1949 | |
| 1950 | if (*got_output || ret<0 || pkt->size) |
| 1951 | decode_error_stat[ret<0] ++; |
| 1952 | |
| 1953 | if (*got_output && ret >= 0) { |
| 1954 | if (ist->dec_ctx->width != decoded_frame->width || |
| 1955 | ist->dec_ctx->height != decoded_frame->height || |
| 1956 | ist->dec_ctx->pix_fmt != decoded_frame->format) { |
| 1957 | av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n", |
| 1958 | decoded_frame->width, |
| 1959 | decoded_frame->height, |
| 1960 | decoded_frame->format, |
| 1961 | ist->dec_ctx->width, |
| 1962 | ist->dec_ctx->height, |
| 1963 | ist->dec_ctx->pix_fmt); |
| 1964 | } |
| 1965 | } |
| 1966 | |
| 1967 | if (!*got_output || ret < 0) { |
| 1968 | if (!pkt->size) { |
| 1969 | for (i = 0; i < ist->nb_filters; i++) |
| 1970 | #if 1 |
| 1971 | av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); |
| 1972 | #else |
| 1973 | av_buffersrc_add_frame(ist->filters[i]->filter, NULL); |
| 1974 | #endif |
| 1975 | } |
| 1976 | return ret; |
| 1977 | } |
| 1978 | |
| 1979 | if(ist->top_field_first>=0) |
| 1980 | decoded_frame->top_field_first = ist->top_field_first; |
| 1981 | |
| 1982 | ist->frames_decoded++; |
| 1983 | |
| 1984 | if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) { |
| 1985 | err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame); |
| 1986 | if (err < 0) |
| 1987 | goto fail; |
| 1988 | } |
| 1989 | ist->hwaccel_retrieved_pix_fmt = decoded_frame->format; |
| 1990 | |
| 1991 | best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame); |
| 1992 | if(best_effort_timestamp != AV_NOPTS_VALUE) |
| 1993 | ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q); |
| 1994 | |
| 1995 | if (debug_ts) { |
| 1996 | av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video " |
| 1997 | "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d time_base:%d/%d\n", |
| 1998 | ist->st->index, av_ts2str(decoded_frame->pts), |
| 1999 | av_ts2timestr(decoded_frame->pts, &ist->st->time_base), |
| 2000 | best_effort_timestamp, |
| 2001 | av_ts2timestr(best_effort_timestamp, &ist->st->time_base), |
| 2002 | decoded_frame->key_frame, decoded_frame->pict_type, |
| 2003 | ist->st->time_base.num, ist->st->time_base.den); |
| 2004 | } |
| 2005 | |
| 2006 | pkt->size = 0; |
| 2007 | |
| 2008 | if (ist->st->sample_aspect_ratio.num) |
| 2009 | decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio; |
| 2010 | |
| 2011 | resample_changed = ist->resample_width != decoded_frame->width || |
| 2012 | ist->resample_height != decoded_frame->height || |
| 2013 | ist->resample_pix_fmt != decoded_frame->format; |
| 2014 | if (resample_changed) { |
| 2015 | av_log(NULL, AV_LOG_INFO, |
| 2016 | "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n", |
| 2017 | ist->file_index, ist->st->index, |
| 2018 | ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt), |
| 2019 | decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format)); |
| 2020 | |
| 2021 | ist->resample_width = decoded_frame->width; |
| 2022 | ist->resample_height = decoded_frame->height; |
| 2023 | ist->resample_pix_fmt = decoded_frame->format; |
| 2024 | |
| 2025 | for (i = 0; i < nb_filtergraphs; i++) { |
| 2026 | if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters && |
| 2027 | configure_filtergraph(filtergraphs[i]) < 0) { |
| 2028 | av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); |
| 2029 | exit_program(1); |
| 2030 | } |
| 2031 | } |
| 2032 | } |
| 2033 | |
| 2034 | frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio"); |
| 2035 | for (i = 0; i < ist->nb_filters; i++) { |
| 2036 | if (!frame_sample_aspect->num) |
| 2037 | *frame_sample_aspect = ist->st->sample_aspect_ratio; |
| 2038 | |
| 2039 | if (i < ist->nb_filters - 1) { |
| 2040 | f = ist->filter_frame; |
| 2041 | err = av_frame_ref(f, decoded_frame); |
| 2042 | if (err < 0) |
| 2043 | break; |
| 2044 | } else |
| 2045 | f = decoded_frame; |
| 2046 | ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH); |
| 2047 | if (ret == AVERROR_EOF) { |
| 2048 | ret = 0; /* ignore */ |
| 2049 | } else if (ret < 0) { |
| 2050 | av_log(NULL, AV_LOG_FATAL, |
| 2051 | "Failed to inject frame into filter network: %s\n", av_err2str(ret)); |
| 2052 | exit_program(1); |
| 2053 | } |
| 2054 | } |
| 2055 | |
| 2056 | fail: |
| 2057 | av_frame_unref(ist->filter_frame); |
| 2058 | av_frame_unref(decoded_frame); |
| 2059 | return err < 0 ? err : ret; |
| 2060 | } |
| 2061 | |
| 2062 | static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output) |
| 2063 | { |
| 2064 | AVSubtitle subtitle; |
| 2065 | int i, ret = avcodec_decode_subtitle2(ist->dec_ctx, |
| 2066 | &subtitle, got_output, pkt); |
| 2067 | |
| 2068 | if (*got_output || ret<0 || pkt->size) |
| 2069 | decode_error_stat[ret<0] ++; |
| 2070 | |
| 2071 | if (ret < 0 || !*got_output) { |
| 2072 | if (!pkt->size) |
| 2073 | sub2video_flush(ist); |
| 2074 | return ret; |
| 2075 | } |
| 2076 | |
| 2077 | if (ist->fix_sub_duration) { |
| 2078 | int end = 1; |
| 2079 | if (ist->prev_sub.got_output) { |
| 2080 | end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts, |
| 2081 | 1000, AV_TIME_BASE); |
| 2082 | if (end < ist->prev_sub.subtitle.end_display_time) { |
| 2083 | av_log(ist->dec_ctx, AV_LOG_DEBUG, |
| 2084 | "Subtitle duration reduced from %d to %d%s\n", |
| 2085 | ist->prev_sub.subtitle.end_display_time, end, |
| 2086 | end <= 0 ? ", dropping it" : ""); |
| 2087 | ist->prev_sub.subtitle.end_display_time = end; |
| 2088 | } |
| 2089 | } |
| 2090 | FFSWAP(int, *got_output, ist->prev_sub.got_output); |
| 2091 | FFSWAP(int, ret, ist->prev_sub.ret); |
| 2092 | FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle); |
| 2093 | if (end <= 0) |
| 2094 | goto out; |
| 2095 | } |
| 2096 | |
| 2097 | if (!*got_output) |
| 2098 | return ret; |
| 2099 | |
| 2100 | sub2video_update(ist, &subtitle); |
| 2101 | |
| 2102 | if (!subtitle.num_rects) |
| 2103 | goto out; |
| 2104 | |
| 2105 | ist->frames_decoded++; |
| 2106 | |
| 2107 | for (i = 0; i < nb_output_streams; i++) { |
| 2108 | OutputStream *ost = output_streams[i]; |
| 2109 | |
| 2110 | if (!check_output_constraints(ist, ost) || !ost->encoding_needed |
| 2111 | || ost->enc->type != AVMEDIA_TYPE_SUBTITLE) |
| 2112 | continue; |
| 2113 | |
| 2114 | do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle); |
| 2115 | } |
| 2116 | |
| 2117 | out: |
| 2118 | avsubtitle_free(&subtitle); |
| 2119 | return ret; |
| 2120 | } |
| 2121 | |
| 2122 | /* pkt = NULL means EOF (needed to flush decoder buffers) */ |
| 2123 | static int process_input_packet(InputStream *ist, const AVPacket *pkt) |
| 2124 | { |
| 2125 | int ret = 0, i; |
| 2126 | int got_output = 0; |
| 2127 | |
| 2128 | AVPacket avpkt; |
| 2129 | if (!ist->saw_first_ts) { |
| 2130 | ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0; |
| 2131 | ist->pts = 0; |
| 2132 | if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) { |
| 2133 | ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q); |
| 2134 | ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong |
| 2135 | } |
| 2136 | ist->saw_first_ts = 1; |
| 2137 | } |
| 2138 | |
| 2139 | if (ist->next_dts == AV_NOPTS_VALUE) |
| 2140 | ist->next_dts = ist->dts; |
| 2141 | if (ist->next_pts == AV_NOPTS_VALUE) |
| 2142 | ist->next_pts = ist->pts; |
| 2143 | |
| 2144 | if (!pkt) { |
| 2145 | /* EOF handling */ |
| 2146 | av_init_packet(&avpkt); |
| 2147 | avpkt.data = NULL; |
| 2148 | avpkt.size = 0; |
| 2149 | goto handle_eof; |
| 2150 | } else { |
| 2151 | avpkt = *pkt; |
| 2152 | } |
| 2153 | |
| 2154 | if (pkt->dts != AV_NOPTS_VALUE) { |
| 2155 | ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); |
| 2156 | if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed) |
| 2157 | ist->next_pts = ist->pts = ist->dts; |
| 2158 | } |
| 2159 | |
| 2160 | // while we have more to decode or while the decoder did output something on EOF |
| 2161 | while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) { |
| 2162 | int duration; |
| 2163 | handle_eof: |
| 2164 | |
| 2165 | ist->pts = ist->next_pts; |
| 2166 | ist->dts = ist->next_dts; |
| 2167 | |
| 2168 | if (avpkt.size && avpkt.size != pkt->size && |
| 2169 | !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) { |
| 2170 | av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING, |
| 2171 | "Multiple frames in a packet from stream %d\n", pkt->stream_index); |
| 2172 | ist->showed_multi_packet_warning = 1; |
| 2173 | } |
| 2174 | |
| 2175 | switch (ist->dec_ctx->codec_type) { |
| 2176 | case AVMEDIA_TYPE_AUDIO: |
| 2177 | ret = decode_audio (ist, &avpkt, &got_output); |
| 2178 | break; |
| 2179 | case AVMEDIA_TYPE_VIDEO: |
| 2180 | ret = decode_video (ist, &avpkt, &got_output); |
| 2181 | if (avpkt.duration) { |
| 2182 | duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q); |
| 2183 | } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) { |
| 2184 | int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame; |
| 2185 | duration = ((int64_t)AV_TIME_BASE * |
| 2186 | ist->dec_ctx->framerate.den * ticks) / |
| 2187 | ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame; |
| 2188 | } else |
| 2189 | duration = 0; |
| 2190 | |
| 2191 | if(ist->dts != AV_NOPTS_VALUE && duration) { |
| 2192 | ist->next_dts += duration; |
| 2193 | }else |
| 2194 | ist->next_dts = AV_NOPTS_VALUE; |
| 2195 | |
| 2196 | if (got_output) |
| 2197 | ist->next_pts += duration; //FIXME the duration is not correct in some cases |
| 2198 | break; |
| 2199 | case AVMEDIA_TYPE_SUBTITLE: |
| 2200 | ret = transcode_subtitles(ist, &avpkt, &got_output); |
| 2201 | break; |
| 2202 | default: |
| 2203 | return -1; |
| 2204 | } |
| 2205 | |
| 2206 | if (ret < 0) |
| 2207 | return ret; |
| 2208 | |
| 2209 | avpkt.dts= |
| 2210 | avpkt.pts= AV_NOPTS_VALUE; |
| 2211 | |
| 2212 | // touch data and size only if not EOF |
| 2213 | if (pkt) { |
| 2214 | if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO) |
| 2215 | ret = avpkt.size; |
| 2216 | avpkt.data += ret; |
| 2217 | avpkt.size -= ret; |
| 2218 | } |
| 2219 | if (!got_output) { |
| 2220 | continue; |
| 2221 | } |
| 2222 | if (got_output && !pkt) |
| 2223 | break; |
| 2224 | } |
| 2225 | |
| 2226 | /* handle stream copy */ |
| 2227 | if (!ist->decoding_needed) { |
| 2228 | ist->dts = ist->next_dts; |
| 2229 | switch (ist->dec_ctx->codec_type) { |
| 2230 | case AVMEDIA_TYPE_AUDIO: |
| 2231 | ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) / |
| 2232 | ist->dec_ctx->sample_rate; |
| 2233 | break; |
| 2234 | case AVMEDIA_TYPE_VIDEO: |
| 2235 | if (ist->framerate.num) { |
| 2236 | // TODO: Remove work-around for c99-to-c89 issue 7 |
| 2237 | AVRational time_base_q = AV_TIME_BASE_Q; |
| 2238 | int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate)); |
| 2239 | ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q); |
| 2240 | } else if (pkt->duration) { |
| 2241 | ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q); |
| 2242 | } else if(ist->dec_ctx->framerate.num != 0) { |
| 2243 | int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame; |
| 2244 | ist->next_dts += ((int64_t)AV_TIME_BASE * |
| 2245 | ist->dec_ctx->framerate.den * ticks) / |
| 2246 | ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame; |
| 2247 | } |
| 2248 | break; |
| 2249 | } |
| 2250 | ist->pts = ist->dts; |
| 2251 | ist->next_pts = ist->next_dts; |
| 2252 | } |
| 2253 | for (i = 0; pkt && i < nb_output_streams; i++) { |
| 2254 | OutputStream *ost = output_streams[i]; |
| 2255 | |
| 2256 | if (!check_output_constraints(ist, ost) || ost->encoding_needed) |
| 2257 | continue; |
| 2258 | |
| 2259 | do_streamcopy(ist, ost, pkt); |
| 2260 | } |
| 2261 | |
| 2262 | return got_output; |
| 2263 | } |
| 2264 | |
| 2265 | static void print_sdp(void) |
| 2266 | { |
| 2267 | char sdp[16384]; |
| 2268 | int i; |
| 2269 | AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc)); |
| 2270 | |
| 2271 | if (!avc) |
| 2272 | exit_program(1); |
| 2273 | for (i = 0; i < nb_output_files; i++) |
| 2274 | avc[i] = output_files[i]->ctx; |
| 2275 | |
| 2276 | av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp)); |
| 2277 | printf("SDP:\n%s\n", sdp); |
| 2278 | fflush(stdout); |
| 2279 | av_freep(&avc); |
| 2280 | } |
| 2281 | |
| 2282 | static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt) |
| 2283 | { |
| 2284 | int i; |
| 2285 | for (i = 0; hwaccels[i].name; i++) |
| 2286 | if (hwaccels[i].pix_fmt == pix_fmt) |
| 2287 | return &hwaccels[i]; |
| 2288 | return NULL; |
| 2289 | } |
| 2290 | |
| 2291 | static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts) |
| 2292 | { |
| 2293 | InputStream *ist = s->opaque; |
| 2294 | const enum AVPixelFormat *p; |
| 2295 | int ret; |
| 2296 | |
| 2297 | for (p = pix_fmts; *p != -1; p++) { |
| 2298 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p); |
| 2299 | const HWAccel *hwaccel; |
| 2300 | |
| 2301 | if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL)) |
| 2302 | break; |
| 2303 | |
| 2304 | hwaccel = get_hwaccel(*p); |
| 2305 | if (!hwaccel || |
| 2306 | (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) || |
| 2307 | (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id)) |
| 2308 | continue; |
| 2309 | |
| 2310 | ret = hwaccel->init(s); |
| 2311 | if (ret < 0) { |
| 2312 | if (ist->hwaccel_id == hwaccel->id) { |
| 2313 | av_log(NULL, AV_LOG_FATAL, |
| 2314 | "%s hwaccel requested for input stream #%d:%d, " |
| 2315 | "but cannot be initialized.\n", hwaccel->name, |
| 2316 | ist->file_index, ist->st->index); |
| 2317 | exit_program(1); |
| 2318 | } |
| 2319 | continue; |
| 2320 | } |
| 2321 | ist->active_hwaccel_id = hwaccel->id; |
| 2322 | ist->hwaccel_pix_fmt = *p; |
| 2323 | break; |
| 2324 | } |
| 2325 | |
| 2326 | return *p; |
| 2327 | } |
| 2328 | |
| 2329 | static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags) |
| 2330 | { |
| 2331 | InputStream *ist = s->opaque; |
| 2332 | |
| 2333 | if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt) |
| 2334 | return ist->hwaccel_get_buffer(s, frame, flags); |
| 2335 | |
| 2336 | return avcodec_default_get_buffer2(s, frame, flags); |
| 2337 | } |
| 2338 | |
| 2339 | static int init_input_stream(int ist_index, char *error, int error_len) |
| 2340 | { |
| 2341 | int ret; |
| 2342 | InputStream *ist = input_streams[ist_index]; |
| 2343 | |
| 2344 | if (ist->decoding_needed) { |
| 2345 | AVCodec *codec = ist->dec; |
| 2346 | if (!codec) { |
| 2347 | snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d", |
| 2348 | avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index); |
| 2349 | return AVERROR(EINVAL); |
| 2350 | } |
| 2351 | |
| 2352 | ist->dec_ctx->opaque = ist; |
| 2353 | ist->dec_ctx->get_format = get_format; |
| 2354 | ist->dec_ctx->get_buffer2 = get_buffer; |
| 2355 | ist->dec_ctx->thread_safe_callbacks = 1; |
| 2356 | |
| 2357 | av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0); |
| 2358 | if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE && |
| 2359 | (ist->decoding_needed & DECODING_FOR_OST)) { |
| 2360 | av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE); |
| 2361 | if (ist->decoding_needed & DECODING_FOR_FILTER) |
| 2362 | av_log(NULL, AV_LOG_WARNING, "Warning using DVB subtitles for filtering and output at the same time is not fully supported, also see -compute_edt [0|1]\n"); |
| 2363 | } |
| 2364 | |
| 2365 | if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0)) |
| 2366 | av_dict_set(&ist->decoder_opts, "threads", "auto", 0); |
| 2367 | if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) { |
| 2368 | if (ret == AVERROR_EXPERIMENTAL) |
| 2369 | abort_codec_experimental(codec, 0); |
| 2370 | |
| 2371 | snprintf(error, error_len, |
| 2372 | "Error while opening decoder for input stream " |
| 2373 | "#%d:%d : %s", |
| 2374 | ist->file_index, ist->st->index, av_err2str(ret)); |
| 2375 | return ret; |
| 2376 | } |
| 2377 | assert_avoptions(ist->decoder_opts); |
| 2378 | } |
| 2379 | |
| 2380 | ist->next_pts = AV_NOPTS_VALUE; |
| 2381 | ist->next_dts = AV_NOPTS_VALUE; |
| 2382 | |
| 2383 | return 0; |
| 2384 | } |
| 2385 | |
| 2386 | static InputStream *get_input_stream(OutputStream *ost) |
| 2387 | { |
| 2388 | if (ost->source_index >= 0) |
| 2389 | return input_streams[ost->source_index]; |
| 2390 | return NULL; |
| 2391 | } |
| 2392 | |
| 2393 | static int compare_int64(const void *a, const void *b) |
| 2394 | { |
| 2395 | int64_t va = *(int64_t *)a, vb = *(int64_t *)b; |
| 2396 | return va < vb ? -1 : va > vb ? +1 : 0; |
| 2397 | } |
| 2398 | |
| 2399 | static void parse_forced_key_frames(char *kf, OutputStream *ost, |
| 2400 | AVCodecContext *avctx) |
| 2401 | { |
| 2402 | char *p; |
| 2403 | int n = 1, i, size, index = 0; |
| 2404 | int64_t t, *pts; |
| 2405 | |
| 2406 | for (p = kf; *p; p++) |
| 2407 | if (*p == ',') |
| 2408 | n++; |
| 2409 | size = n; |
| 2410 | pts = av_malloc_array(size, sizeof(*pts)); |
| 2411 | if (!pts) { |
| 2412 | av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n"); |
| 2413 | exit_program(1); |
| 2414 | } |
| 2415 | |
| 2416 | p = kf; |
| 2417 | for (i = 0; i < n; i++) { |
| 2418 | char *next = strchr(p, ','); |
| 2419 | |
| 2420 | if (next) |
| 2421 | *next++ = 0; |
| 2422 | |
| 2423 | if (!memcmp(p, "chapters", 8)) { |
| 2424 | |
| 2425 | AVFormatContext *avf = output_files[ost->file_index]->ctx; |
| 2426 | int j; |
| 2427 | |
| 2428 | if (avf->nb_chapters > INT_MAX - size || |
| 2429 | !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1, |
| 2430 | sizeof(*pts)))) { |
| 2431 | av_log(NULL, AV_LOG_FATAL, |
| 2432 | "Could not allocate forced key frames array.\n"); |
| 2433 | exit_program(1); |
| 2434 | } |
| 2435 | t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0; |
| 2436 | t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); |
| 2437 | |
| 2438 | for (j = 0; j < avf->nb_chapters; j++) { |
| 2439 | AVChapter *c = avf->chapters[j]; |
| 2440 | av_assert1(index < size); |
| 2441 | pts[index++] = av_rescale_q(c->start, c->time_base, |
| 2442 | avctx->time_base) + t; |
| 2443 | } |
| 2444 | |
| 2445 | } else { |
| 2446 | |
| 2447 | t = parse_time_or_die("force_key_frames", p, 1); |
| 2448 | av_assert1(index < size); |
| 2449 | pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); |
| 2450 | |
| 2451 | } |
| 2452 | |
| 2453 | p = next; |
| 2454 | } |
| 2455 | |
| 2456 | av_assert0(index == size); |
| 2457 | qsort(pts, size, sizeof(*pts), compare_int64); |
| 2458 | ost->forced_kf_count = size; |
| 2459 | ost->forced_kf_pts = pts; |
| 2460 | } |
| 2461 | |
| 2462 | static void report_new_stream(int input_index, AVPacket *pkt) |
| 2463 | { |
| 2464 | InputFile *file = input_files[input_index]; |
| 2465 | AVStream *st = file->ctx->streams[pkt->stream_index]; |
| 2466 | |
| 2467 | if (pkt->stream_index < file->nb_streams_warn) |
| 2468 | return; |
| 2469 | av_log(file->ctx, AV_LOG_WARNING, |
| 2470 | "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n", |
| 2471 | av_get_media_type_string(st->codec->codec_type), |
| 2472 | input_index, pkt->stream_index, |
| 2473 | pkt->pos, av_ts2timestr(pkt->dts, &st->time_base)); |
| 2474 | file->nb_streams_warn = pkt->stream_index + 1; |
| 2475 | } |
| 2476 | |
| 2477 | static void set_encoder_id(OutputFile *of, OutputStream *ost) |
| 2478 | { |
| 2479 | AVDictionaryEntry *e; |
| 2480 | |
| 2481 | uint8_t *encoder_string; |
| 2482 | int encoder_string_len; |
| 2483 | int format_flags = 0; |
| 2484 | int codec_flags = 0; |
| 2485 | |
| 2486 | if (av_dict_get(ost->st->metadata, "encoder", NULL, 0)) |
| 2487 | return; |
| 2488 | |
| 2489 | e = av_dict_get(of->opts, "fflags", NULL, 0); |
| 2490 | if (e) { |
| 2491 | const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0); |
| 2492 | if (!o) |
| 2493 | return; |
| 2494 | av_opt_eval_flags(of->ctx, o, e->value, &format_flags); |
| 2495 | } |
| 2496 | e = av_dict_get(ost->encoder_opts, "flags", NULL, 0); |
| 2497 | if (e) { |
| 2498 | const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0); |
| 2499 | if (!o) |
| 2500 | return; |
| 2501 | av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags); |
| 2502 | } |
| 2503 | |
| 2504 | encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2; |
| 2505 | encoder_string = av_mallocz(encoder_string_len); |
| 2506 | if (!encoder_string) |
| 2507 | exit_program(1); |
| 2508 | |
| 2509 | if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT)) |
| 2510 | av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len); |
| 2511 | else |
| 2512 | av_strlcpy(encoder_string, "Lavc ", encoder_string_len); |
| 2513 | av_strlcat(encoder_string, ost->enc->name, encoder_string_len); |
| 2514 | av_dict_set(&ost->st->metadata, "encoder", encoder_string, |
| 2515 | AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE); |
| 2516 | } |
| 2517 | |
| 2518 | static int transcode_init(void) |
| 2519 | { |
| 2520 | int ret = 0, i, j, k; |
| 2521 | AVFormatContext *oc; |
| 2522 | OutputStream *ost; |
| 2523 | InputStream *ist; |
| 2524 | char error[1024]; |
| 2525 | int want_sdp = 1; |
| 2526 | |
| 2527 | for (i = 0; i < nb_filtergraphs; i++) { |
| 2528 | FilterGraph *fg = filtergraphs[i]; |
| 2529 | for (j = 0; j < fg->nb_outputs; j++) { |
| 2530 | OutputFilter *ofilter = fg->outputs[j]; |
| 2531 | if (!ofilter->ost || ofilter->ost->source_index >= 0) |
| 2532 | continue; |
| 2533 | if (fg->nb_inputs != 1) |
| 2534 | continue; |
| 2535 | for (k = nb_input_streams-1; k >= 0 ; k--) |
| 2536 | if (fg->inputs[0]->ist == input_streams[k]) |
| 2537 | break; |
| 2538 | ofilter->ost->source_index = k; |
| 2539 | } |
| 2540 | } |
| 2541 | |
| 2542 | /* init framerate emulation */ |
| 2543 | for (i = 0; i < nb_input_files; i++) { |
| 2544 | InputFile *ifile = input_files[i]; |
| 2545 | if (ifile->rate_emu) |
| 2546 | for (j = 0; j < ifile->nb_streams; j++) |
| 2547 | input_streams[j + ifile->ist_index]->start = av_gettime_relative(); |
| 2548 | } |
| 2549 | |
| 2550 | /* output stream init */ |
| 2551 | for (i = 0; i < nb_output_files; i++) { |
| 2552 | oc = output_files[i]->ctx; |
| 2553 | if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) { |
| 2554 | av_dump_format(oc, i, oc->filename, 1); |
| 2555 | av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i); |
| 2556 | return AVERROR(EINVAL); |
| 2557 | } |
| 2558 | } |
| 2559 | |
| 2560 | /* init complex filtergraphs */ |
| 2561 | for (i = 0; i < nb_filtergraphs; i++) |
| 2562 | if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0) |
| 2563 | return ret; |
| 2564 | |
| 2565 | /* for each output stream, we compute the right encoding parameters */ |
| 2566 | for (i = 0; i < nb_output_streams; i++) { |
| 2567 | AVCodecContext *enc_ctx; |
| 2568 | AVCodecContext *dec_ctx = NULL; |
| 2569 | ost = output_streams[i]; |
| 2570 | oc = output_files[ost->file_index]->ctx; |
| 2571 | ist = get_input_stream(ost); |
| 2572 | |
| 2573 | if (ost->attachment_filename) |
| 2574 | continue; |
| 2575 | |
| 2576 | enc_ctx = ost->enc_ctx; |
| 2577 | |
| 2578 | if (ist) { |
| 2579 | dec_ctx = ist->dec_ctx; |
| 2580 | |
| 2581 | ost->st->disposition = ist->st->disposition; |
| 2582 | enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample; |
| 2583 | enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location; |
| 2584 | } else { |
| 2585 | for (j=0; j<oc->nb_streams; j++) { |
| 2586 | AVStream *st = oc->streams[j]; |
| 2587 | if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type) |
| 2588 | break; |
| 2589 | } |
| 2590 | if (j == oc->nb_streams) |
| 2591 | if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) |
| 2592 | ost->st->disposition = AV_DISPOSITION_DEFAULT; |
| 2593 | } |
| 2594 | |
| 2595 | if (ost->stream_copy) { |
| 2596 | AVRational sar; |
| 2597 | uint64_t extra_size; |
| 2598 | |
| 2599 | av_assert0(ist && !ost->filter); |
| 2600 | |
| 2601 | extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; |
| 2602 | |
| 2603 | if (extra_size > INT_MAX) { |
| 2604 | return AVERROR(EINVAL); |
| 2605 | } |
| 2606 | |
| 2607 | /* if stream_copy is selected, no need to decode or encode */ |
| 2608 | enc_ctx->codec_id = dec_ctx->codec_id; |
| 2609 | enc_ctx->codec_type = dec_ctx->codec_type; |
| 2610 | |
| 2611 | if (!enc_ctx->codec_tag) { |
| 2612 | unsigned int codec_tag; |
| 2613 | if (!oc->oformat->codec_tag || |
| 2614 | av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id || |
| 2615 | !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag)) |
| 2616 | enc_ctx->codec_tag = dec_ctx->codec_tag; |
| 2617 | } |
| 2618 | |
| 2619 | enc_ctx->bit_rate = dec_ctx->bit_rate; |
| 2620 | enc_ctx->rc_max_rate = dec_ctx->rc_max_rate; |
| 2621 | enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size; |
| 2622 | enc_ctx->field_order = dec_ctx->field_order; |
| 2623 | enc_ctx->extradata = av_mallocz(extra_size); |
| 2624 | if (!enc_ctx->extradata) { |
| 2625 | return AVERROR(ENOMEM); |
| 2626 | } |
| 2627 | memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size); |
| 2628 | enc_ctx->extradata_size= dec_ctx->extradata_size; |
| 2629 | enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample; |
| 2630 | |
| 2631 | enc_ctx->time_base = ist->st->time_base; |
| 2632 | /* |
| 2633 | * Avi is a special case here because it supports variable fps but |
| 2634 | * having the fps and timebase differe significantly adds quite some |
| 2635 | * overhead |
| 2636 | */ |
| 2637 | if(!strcmp(oc->oformat->name, "avi")) { |
| 2638 | if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate) |
| 2639 | && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base) |
| 2640 | && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base) |
| 2641 | && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500 |
| 2642 | || copy_tb==2){ |
| 2643 | enc_ctx->time_base.num = ist->st->r_frame_rate.den; |
| 2644 | enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num; |
| 2645 | enc_ctx->ticks_per_frame = 2; |
| 2646 | } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base) |
| 2647 | && av_q2d(ist->st->time_base) < 1.0/500 |
| 2648 | || copy_tb==0){ |
| 2649 | enc_ctx->time_base = dec_ctx->time_base; |
| 2650 | enc_ctx->time_base.num *= dec_ctx->ticks_per_frame; |
| 2651 | enc_ctx->time_base.den *= 2; |
| 2652 | enc_ctx->ticks_per_frame = 2; |
| 2653 | } |
| 2654 | } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS) |
| 2655 | && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp") |
| 2656 | && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod") |
| 2657 | && strcmp(oc->oformat->name, "f4v") |
| 2658 | ) { |
| 2659 | if( copy_tb<0 && dec_ctx->time_base.den |
| 2660 | && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base) |
| 2661 | && av_q2d(ist->st->time_base) < 1.0/500 |
| 2662 | || copy_tb==0){ |
| 2663 | enc_ctx->time_base = dec_ctx->time_base; |
| 2664 | enc_ctx->time_base.num *= dec_ctx->ticks_per_frame; |
| 2665 | } |
| 2666 | } |
| 2667 | if ( enc_ctx->codec_tag == AV_RL32("tmcd") |
| 2668 | && dec_ctx->time_base.num < dec_ctx->time_base.den |
| 2669 | && dec_ctx->time_base.num > 0 |
| 2670 | && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) { |
| 2671 | enc_ctx->time_base = dec_ctx->time_base; |
| 2672 | } |
| 2673 | |
| 2674 | if (ist && !ost->frame_rate.num) |
| 2675 | ost->frame_rate = ist->framerate; |
| 2676 | if(ost->frame_rate.num) |
| 2677 | enc_ctx->time_base = av_inv_q(ost->frame_rate); |
| 2678 | |
| 2679 | av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den, |
| 2680 | enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX); |
| 2681 | |
| 2682 | if (ist->st->nb_side_data) { |
| 2683 | ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data, |
| 2684 | sizeof(*ist->st->side_data)); |
| 2685 | if (!ost->st->side_data) |
| 2686 | return AVERROR(ENOMEM); |
| 2687 | |
| 2688 | for (j = 0; j < ist->st->nb_side_data; j++) { |
| 2689 | const AVPacketSideData *sd_src = &ist->st->side_data[j]; |
| 2690 | AVPacketSideData *sd_dst = &ost->st->side_data[j]; |
| 2691 | |
| 2692 | sd_dst->data = av_malloc(sd_src->size); |
| 2693 | if (!sd_dst->data) |
| 2694 | return AVERROR(ENOMEM); |
| 2695 | memcpy(sd_dst->data, sd_src->data, sd_src->size); |
| 2696 | sd_dst->size = sd_src->size; |
| 2697 | sd_dst->type = sd_src->type; |
| 2698 | ost->st->nb_side_data++; |
| 2699 | } |
| 2700 | } |
| 2701 | |
| 2702 | ost->parser = av_parser_init(enc_ctx->codec_id); |
| 2703 | |
| 2704 | switch (enc_ctx->codec_type) { |
| 2705 | case AVMEDIA_TYPE_AUDIO: |
| 2706 | if (audio_volume != 256) { |
| 2707 | av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n"); |
| 2708 | exit_program(1); |
| 2709 | } |
| 2710 | enc_ctx->channel_layout = dec_ctx->channel_layout; |
| 2711 | enc_ctx->sample_rate = dec_ctx->sample_rate; |
| 2712 | enc_ctx->channels = dec_ctx->channels; |
| 2713 | enc_ctx->frame_size = dec_ctx->frame_size; |
| 2714 | enc_ctx->audio_service_type = dec_ctx->audio_service_type; |
| 2715 | enc_ctx->block_align = dec_ctx->block_align; |
| 2716 | enc_ctx->initial_padding = dec_ctx->delay; |
| 2717 | #if FF_API_AUDIOENC_DELAY |
| 2718 | enc_ctx->delay = dec_ctx->delay; |
| 2719 | #endif |
| 2720 | if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3) |
| 2721 | enc_ctx->block_align= 0; |
| 2722 | if(enc_ctx->codec_id == AV_CODEC_ID_AC3) |
| 2723 | enc_ctx->block_align= 0; |
| 2724 | break; |
| 2725 | case AVMEDIA_TYPE_VIDEO: |
| 2726 | enc_ctx->pix_fmt = dec_ctx->pix_fmt; |
| 2727 | enc_ctx->width = dec_ctx->width; |
| 2728 | enc_ctx->height = dec_ctx->height; |
| 2729 | enc_ctx->has_b_frames = dec_ctx->has_b_frames; |
| 2730 | if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option |
| 2731 | sar = |
| 2732 | av_mul_q(ost->frame_aspect_ratio, |
| 2733 | (AVRational){ enc_ctx->height, enc_ctx->width }); |
| 2734 | av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio " |
| 2735 | "with stream copy may produce invalid files\n"); |
| 2736 | } |
| 2737 | else if (ist->st->sample_aspect_ratio.num) |
| 2738 | sar = ist->st->sample_aspect_ratio; |
| 2739 | else |
| 2740 | sar = dec_ctx->sample_aspect_ratio; |
| 2741 | ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar; |
| 2742 | ost->st->avg_frame_rate = ist->st->avg_frame_rate; |
| 2743 | break; |
| 2744 | case AVMEDIA_TYPE_SUBTITLE: |
| 2745 | enc_ctx->width = dec_ctx->width; |
| 2746 | enc_ctx->height = dec_ctx->height; |
| 2747 | break; |
| 2748 | case AVMEDIA_TYPE_DATA: |
| 2749 | case AVMEDIA_TYPE_ATTACHMENT: |
| 2750 | break; |
| 2751 | default: |
| 2752 | abort(); |
| 2753 | } |
| 2754 | } else { |
| 2755 | if (!ost->enc) |
| 2756 | ost->enc = avcodec_find_encoder(enc_ctx->codec_id); |
| 2757 | if (!ost->enc) { |
| 2758 | /* should only happen when a default codec is not present. */ |
| 2759 | snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d", |
| 2760 | avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index); |
| 2761 | ret = AVERROR(EINVAL); |
| 2762 | goto dump_format; |
| 2763 | } |
| 2764 | |
| 2765 | if (ist) |
| 2766 | ist->decoding_needed |= DECODING_FOR_OST; |
| 2767 | ost->encoding_needed = 1; |
| 2768 | |
| 2769 | set_encoder_id(output_files[ost->file_index], ost); |
| 2770 | |
| 2771 | if (!ost->filter && |
| 2772 | (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO || |
| 2773 | enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) { |
| 2774 | FilterGraph *fg; |
| 2775 | fg = init_simple_filtergraph(ist, ost); |
| 2776 | if (configure_filtergraph(fg)) { |
| 2777 | av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n"); |
| 2778 | exit_program(1); |
| 2779 | } |
| 2780 | } |
| 2781 | |
| 2782 | if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 2783 | if (ost->filter && !ost->frame_rate.num) |
| 2784 | ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter); |
| 2785 | if (ist && !ost->frame_rate.num) |
| 2786 | ost->frame_rate = ist->framerate; |
| 2787 | if (ist && !ost->frame_rate.num) |
| 2788 | ost->frame_rate = ist->st->r_frame_rate; |
| 2789 | if (ist && !ost->frame_rate.num) { |
| 2790 | ost->frame_rate = (AVRational){25, 1}; |
| 2791 | av_log(NULL, AV_LOG_WARNING, |
| 2792 | "No information " |
| 2793 | "about the input framerate is available. Falling " |
| 2794 | "back to a default value of 25fps for output stream #%d:%d. Use the -r option " |
| 2795 | "if you want a different framerate.\n", |
| 2796 | ost->file_index, ost->index); |
| 2797 | } |
| 2798 | // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1}; |
| 2799 | if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) { |
| 2800 | int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates); |
| 2801 | ost->frame_rate = ost->enc->supported_framerates[idx]; |
| 2802 | } |
| 2803 | if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) { |
| 2804 | av_reduce(&ost->frame_rate.num, &ost->frame_rate.den, |
| 2805 | ost->frame_rate.num, ost->frame_rate.den, 65535); |
| 2806 | } |
| 2807 | } |
| 2808 | |
| 2809 | switch (enc_ctx->codec_type) { |
| 2810 | case AVMEDIA_TYPE_AUDIO: |
| 2811 | enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format; |
| 2812 | enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate; |
| 2813 | enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout; |
| 2814 | enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]); |
| 2815 | enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate }; |
| 2816 | break; |
| 2817 | case AVMEDIA_TYPE_VIDEO: |
| 2818 | enc_ctx->time_base = av_inv_q(ost->frame_rate); |
| 2819 | if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den)) |
| 2820 | enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base; |
| 2821 | if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH |
| 2822 | && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){ |
| 2823 | av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n" |
| 2824 | "Please consider specifying a lower framerate, a different muxer or -vsync 2\n"); |
| 2825 | } |
| 2826 | for (j = 0; j < ost->forced_kf_count; j++) |
| 2827 | ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j], |
| 2828 | AV_TIME_BASE_Q, |
| 2829 | enc_ctx->time_base); |
| 2830 | |
| 2831 | enc_ctx->width = ost->filter->filter->inputs[0]->w; |
| 2832 | enc_ctx->height = ost->filter->filter->inputs[0]->h; |
| 2833 | enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio = |
| 2834 | ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option |
| 2835 | av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) : |
| 2836 | ost->filter->filter->inputs[0]->sample_aspect_ratio; |
| 2837 | if (!strncmp(ost->enc->name, "libx264", 7) && |
| 2838 | enc_ctx->pix_fmt == AV_PIX_FMT_NONE && |
| 2839 | ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P) |
| 2840 | av_log(NULL, AV_LOG_WARNING, |
| 2841 | "No pixel format specified, %s for H.264 encoding chosen.\n" |
| 2842 | "Use -pix_fmt yuv420p for compatibility with outdated media players.\n", |
| 2843 | av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format)); |
| 2844 | if (!strncmp(ost->enc->name, "mpeg2video", 10) && |
| 2845 | enc_ctx->pix_fmt == AV_PIX_FMT_NONE && |
| 2846 | ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P) |
| 2847 | av_log(NULL, AV_LOG_WARNING, |
| 2848 | "No pixel format specified, %s for MPEG-2 encoding chosen.\n" |
| 2849 | "Use -pix_fmt yuv420p for compatibility with outdated media players.\n", |
| 2850 | av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format)); |
| 2851 | enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format; |
| 2852 | |
| 2853 | ost->st->avg_frame_rate = ost->frame_rate; |
| 2854 | |
| 2855 | if (!dec_ctx || |
| 2856 | enc_ctx->width != dec_ctx->width || |
| 2857 | enc_ctx->height != dec_ctx->height || |
| 2858 | enc_ctx->pix_fmt != dec_ctx->pix_fmt) { |
| 2859 | enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample; |
| 2860 | } |
| 2861 | |
| 2862 | if (ost->forced_keyframes) { |
| 2863 | if (!strncmp(ost->forced_keyframes, "expr:", 5)) { |
| 2864 | ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5, |
| 2865 | forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL); |
| 2866 | if (ret < 0) { |
| 2867 | av_log(NULL, AV_LOG_ERROR, |
| 2868 | "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5); |
| 2869 | return ret; |
| 2870 | } |
| 2871 | ost->forced_keyframes_expr_const_values[FKF_N] = 0; |
| 2872 | ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0; |
| 2873 | ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN; |
| 2874 | ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN; |
| 2875 | } else { |
| 2876 | parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx); |
| 2877 | } |
| 2878 | } |
| 2879 | break; |
| 2880 | case AVMEDIA_TYPE_SUBTITLE: |
| 2881 | enc_ctx->time_base = (AVRational){1, 1000}; |
| 2882 | if (!enc_ctx->width) { |
| 2883 | enc_ctx->width = input_streams[ost->source_index]->st->codec->width; |
| 2884 | enc_ctx->height = input_streams[ost->source_index]->st->codec->height; |
| 2885 | } |
| 2886 | break; |
| 2887 | default: |
| 2888 | abort(); |
| 2889 | break; |
| 2890 | } |
| 2891 | /* two pass mode */ |
| 2892 | if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) { |
| 2893 | char logfilename[1024]; |
| 2894 | FILE *f; |
| 2895 | |
| 2896 | snprintf(logfilename, sizeof(logfilename), "%s-%d.log", |
| 2897 | ost->logfile_prefix ? ost->logfile_prefix : |
| 2898 | DEFAULT_PASS_LOGFILENAME_PREFIX, |
| 2899 | i); |
| 2900 | if (!strcmp(ost->enc->name, "libx264")) { |
| 2901 | av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE); |
| 2902 | } else { |
| 2903 | if (enc_ctx->flags & CODEC_FLAG_PASS2) { |
| 2904 | char *logbuffer; |
| 2905 | size_t logbuffer_size; |
| 2906 | if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) { |
| 2907 | av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n", |
| 2908 | logfilename); |
| 2909 | exit_program(1); |
| 2910 | } |
| 2911 | enc_ctx->stats_in = logbuffer; |
| 2912 | } |
| 2913 | if (enc_ctx->flags & CODEC_FLAG_PASS1) { |
| 2914 | f = av_fopen_utf8(logfilename, "wb"); |
| 2915 | if (!f) { |
| 2916 | av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n", |
| 2917 | logfilename, strerror(errno)); |
| 2918 | exit_program(1); |
| 2919 | } |
| 2920 | ost->logfile = f; |
| 2921 | } |
| 2922 | } |
| 2923 | } |
| 2924 | } |
| 2925 | } |
| 2926 | |
| 2927 | /* open each encoder */ |
| 2928 | for (i = 0; i < nb_output_streams; i++) { |
| 2929 | ost = output_streams[i]; |
| 2930 | if (ost->encoding_needed) { |
| 2931 | AVCodec *codec = ost->enc; |
| 2932 | AVCodecContext *dec = NULL; |
| 2933 | |
| 2934 | if ((ist = get_input_stream(ost))) |
| 2935 | dec = ist->dec_ctx; |
| 2936 | if (dec && dec->subtitle_header) { |
| 2937 | /* ASS code assumes this buffer is null terminated so add extra byte. */ |
| 2938 | ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1); |
| 2939 | if (!ost->enc_ctx->subtitle_header) { |
| 2940 | ret = AVERROR(ENOMEM); |
| 2941 | goto dump_format; |
| 2942 | } |
| 2943 | memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size); |
| 2944 | ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size; |
| 2945 | } |
| 2946 | if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0)) |
| 2947 | av_dict_set(&ost->encoder_opts, "threads", "auto", 0); |
| 2948 | av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0); |
| 2949 | |
| 2950 | if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) { |
| 2951 | if (ret == AVERROR_EXPERIMENTAL) |
| 2952 | abort_codec_experimental(codec, 1); |
| 2953 | snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height", |
| 2954 | ost->file_index, ost->index); |
| 2955 | goto dump_format; |
| 2956 | } |
| 2957 | if (ost->enc->type == AVMEDIA_TYPE_AUDIO && |
| 2958 | !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) |
| 2959 | av_buffersink_set_frame_size(ost->filter->filter, |
| 2960 | ost->enc_ctx->frame_size); |
| 2961 | assert_avoptions(ost->encoder_opts); |
| 2962 | if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000) |
| 2963 | av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low." |
| 2964 | " It takes bits/s as argument, not kbits/s\n"); |
| 2965 | } else { |
| 2966 | ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts); |
| 2967 | if (ret < 0) { |
| 2968 | av_log(NULL, AV_LOG_FATAL, |
| 2969 | "Error setting up codec context options.\n"); |
| 2970 | return ret; |
| 2971 | } |
| 2972 | } |
| 2973 | |
| 2974 | ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx); |
| 2975 | if (ret < 0) { |
| 2976 | av_log(NULL, AV_LOG_FATAL, |
| 2977 | "Error initializing the output stream codec context.\n"); |
| 2978 | exit_program(1); |
| 2979 | } |
| 2980 | ost->st->codec->codec= ost->enc_ctx->codec; |
| 2981 | |
| 2982 | // copy timebase while removing common factors |
| 2983 | ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1}); |
| 2984 | } |
| 2985 | |
| 2986 | /* init input streams */ |
| 2987 | for (i = 0; i < nb_input_streams; i++) |
| 2988 | if ((ret = init_input_stream(i, error, sizeof(error))) < 0) { |
| 2989 | for (i = 0; i < nb_output_streams; i++) { |
| 2990 | ost = output_streams[i]; |
| 2991 | avcodec_close(ost->enc_ctx); |
| 2992 | } |
| 2993 | goto dump_format; |
| 2994 | } |
| 2995 | |
| 2996 | /* discard unused programs */ |
| 2997 | for (i = 0; i < nb_input_files; i++) { |
| 2998 | InputFile *ifile = input_files[i]; |
| 2999 | for (j = 0; j < ifile->ctx->nb_programs; j++) { |
| 3000 | AVProgram *p = ifile->ctx->programs[j]; |
| 3001 | int discard = AVDISCARD_ALL; |
| 3002 | |
| 3003 | for (k = 0; k < p->nb_stream_indexes; k++) |
| 3004 | if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) { |
| 3005 | discard = AVDISCARD_DEFAULT; |
| 3006 | break; |
| 3007 | } |
| 3008 | p->discard = discard; |
| 3009 | } |
| 3010 | } |
| 3011 | |
| 3012 | /* open files and write file headers */ |
| 3013 | for (i = 0; i < nb_output_files; i++) { |
| 3014 | oc = output_files[i]->ctx; |
| 3015 | oc->interrupt_callback = int_cb; |
| 3016 | if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) { |
| 3017 | snprintf(error, sizeof(error), |
| 3018 | "Could not write header for output file #%d " |
| 3019 | "(incorrect codec parameters ?): %s", |
| 3020 | i, av_err2str(ret)); |
| 3021 | ret = AVERROR(EINVAL); |
| 3022 | goto dump_format; |
| 3023 | } |
| 3024 | // assert_avoptions(output_files[i]->opts); |
| 3025 | if (strcmp(oc->oformat->name, "rtp")) { |
| 3026 | want_sdp = 0; |
| 3027 | } |
| 3028 | } |
| 3029 | |
| 3030 | dump_format: |
| 3031 | /* dump the file output parameters - cannot be done before in case |
| 3032 | of stream copy */ |
| 3033 | for (i = 0; i < nb_output_files; i++) { |
| 3034 | av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1); |
| 3035 | } |
| 3036 | |
| 3037 | /* dump the stream mapping */ |
| 3038 | av_log(NULL, AV_LOG_INFO, "Stream mapping:\n"); |
| 3039 | for (i = 0; i < nb_input_streams; i++) { |
| 3040 | ist = input_streams[i]; |
| 3041 | |
| 3042 | for (j = 0; j < ist->nb_filters; j++) { |
| 3043 | if (ist->filters[j]->graph->graph_desc) { |
| 3044 | av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s", |
| 3045 | ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?", |
| 3046 | ist->filters[j]->name); |
| 3047 | if (nb_filtergraphs > 1) |
| 3048 | av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index); |
| 3049 | av_log(NULL, AV_LOG_INFO, "\n"); |
| 3050 | } |
| 3051 | } |
| 3052 | } |
| 3053 | |
| 3054 | for (i = 0; i < nb_output_streams; i++) { |
| 3055 | ost = output_streams[i]; |
| 3056 | |
| 3057 | if (ost->attachment_filename) { |
| 3058 | /* an attached file */ |
| 3059 | av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n", |
| 3060 | ost->attachment_filename, ost->file_index, ost->index); |
| 3061 | continue; |
| 3062 | } |
| 3063 | |
| 3064 | if (ost->filter && ost->filter->graph->graph_desc) { |
| 3065 | /* output from a complex graph */ |
| 3066 | av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name); |
| 3067 | if (nb_filtergraphs > 1) |
| 3068 | av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index); |
| 3069 | |
| 3070 | av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index, |
| 3071 | ost->index, ost->enc ? ost->enc->name : "?"); |
| 3072 | continue; |
| 3073 | } |
| 3074 | |
| 3075 | av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d", |
| 3076 | input_streams[ost->source_index]->file_index, |
| 3077 | input_streams[ost->source_index]->st->index, |
| 3078 | ost->file_index, |
| 3079 | ost->index); |
| 3080 | if (ost->sync_ist != input_streams[ost->source_index]) |
| 3081 | av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]", |
| 3082 | ost->sync_ist->file_index, |
| 3083 | ost->sync_ist->st->index); |
| 3084 | if (ost->stream_copy) |
| 3085 | av_log(NULL, AV_LOG_INFO, " (copy)"); |
| 3086 | else { |
| 3087 | const AVCodec *in_codec = input_streams[ost->source_index]->dec; |
| 3088 | const AVCodec *out_codec = ost->enc; |
| 3089 | const char *decoder_name = "?"; |
| 3090 | const char *in_codec_name = "?"; |
| 3091 | const char *encoder_name = "?"; |
| 3092 | const char *out_codec_name = "?"; |
| 3093 | |
| 3094 | if (in_codec) { |
| 3095 | decoder_name = in_codec->name; |
| 3096 | in_codec_name = avcodec_descriptor_get(in_codec->id)->name; |
| 3097 | if (!strcmp(decoder_name, in_codec_name)) |
| 3098 | decoder_name = "native"; |
| 3099 | } |
| 3100 | |
| 3101 | if (out_codec) { |
| 3102 | encoder_name = out_codec->name; |
| 3103 | out_codec_name = avcodec_descriptor_get(out_codec->id)->name; |
| 3104 | if (!strcmp(encoder_name, out_codec_name)) |
| 3105 | encoder_name = "native"; |
| 3106 | } |
| 3107 | |
| 3108 | av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))", |
| 3109 | in_codec_name, decoder_name, |
| 3110 | out_codec_name, encoder_name); |
| 3111 | } |
| 3112 | av_log(NULL, AV_LOG_INFO, "\n"); |
| 3113 | } |
| 3114 | |
| 3115 | if (ret) { |
| 3116 | av_log(NULL, AV_LOG_ERROR, "%s\n", error); |
| 3117 | return ret; |
| 3118 | } |
| 3119 | |
| 3120 | if (want_sdp) { |
| 3121 | print_sdp(); |
| 3122 | } |
| 3123 | |
| 3124 | transcode_init_done = 1; |
| 3125 | |
| 3126 | return 0; |
| 3127 | } |
| 3128 | |
| 3129 | /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */ |
| 3130 | static int need_output(void) |
| 3131 | { |
| 3132 | int i; |
| 3133 | |
| 3134 | for (i = 0; i < nb_output_streams; i++) { |
| 3135 | OutputStream *ost = output_streams[i]; |
| 3136 | OutputFile *of = output_files[ost->file_index]; |
| 3137 | AVFormatContext *os = output_files[ost->file_index]->ctx; |
| 3138 | |
| 3139 | if (ost->finished || |
| 3140 | (os->pb && avio_tell(os->pb) >= of->limit_filesize)) |
| 3141 | continue; |
| 3142 | if (ost->frame_number >= ost->max_frames) { |
| 3143 | int j; |
| 3144 | for (j = 0; j < of->ctx->nb_streams; j++) |
| 3145 | close_output_stream(output_streams[of->ost_index + j]); |
| 3146 | continue; |
| 3147 | } |
| 3148 | |
| 3149 | return 1; |
| 3150 | } |
| 3151 | |
| 3152 | return 0; |
| 3153 | } |
| 3154 | |
| 3155 | /** |
| 3156 | * Select the output stream to process. |
| 3157 | * |
| 3158 | * @return selected output stream, or NULL if none available |
| 3159 | */ |
| 3160 | static OutputStream *choose_output(void) |
| 3161 | { |
| 3162 | int i; |
| 3163 | int64_t opts_min = INT64_MAX; |
| 3164 | OutputStream *ost_min = NULL; |
| 3165 | |
| 3166 | for (i = 0; i < nb_output_streams; i++) { |
| 3167 | OutputStream *ost = output_streams[i]; |
| 3168 | int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base, |
| 3169 | AV_TIME_BASE_Q); |
| 3170 | if (!ost->finished && opts < opts_min) { |
| 3171 | opts_min = opts; |
| 3172 | ost_min = ost->unavailable ? NULL : ost; |
| 3173 | } |
| 3174 | } |
| 3175 | return ost_min; |
| 3176 | } |
| 3177 | |
| 3178 | static int check_keyboard_interaction(int64_t cur_time) |
| 3179 | { |
| 3180 | int i, ret, key; |
| 3181 | static int64_t last_time; |
| 3182 | if (received_nb_signals) |
| 3183 | return AVERROR_EXIT; |
| 3184 | /* read_key() returns 0 on EOF */ |
| 3185 | if(cur_time - last_time >= 100000 && !run_as_daemon){ |
| 3186 | key = read_key(); |
| 3187 | last_time = cur_time; |
| 3188 | }else |
| 3189 | key = -1; |
| 3190 | if (key == 'q') |
| 3191 | return AVERROR_EXIT; |
| 3192 | if (key == '+') av_log_set_level(av_log_get_level()+10); |
| 3193 | if (key == '-') av_log_set_level(av_log_get_level()-10); |
| 3194 | if (key == 's') qp_hist ^= 1; |
| 3195 | if (key == 'h'){ |
| 3196 | if (do_hex_dump){ |
| 3197 | do_hex_dump = do_pkt_dump = 0; |
| 3198 | } else if(do_pkt_dump){ |
| 3199 | do_hex_dump = 1; |
| 3200 | } else |
| 3201 | do_pkt_dump = 1; |
| 3202 | av_log_set_level(AV_LOG_DEBUG); |
| 3203 | } |
| 3204 | if (key == 'c' || key == 'C'){ |
| 3205 | char buf[4096], target[64], command[256], arg[256] = {0}; |
| 3206 | double time; |
| 3207 | int k, n = 0; |
| 3208 | fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n"); |
| 3209 | i = 0; |
| 3210 | while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1) |
| 3211 | if (k > 0) |
| 3212 | buf[i++] = k; |
| 3213 | buf[i] = 0; |
| 3214 | if (k > 0 && |
| 3215 | (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) { |
| 3216 | av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s", |
| 3217 | target, time, command, arg); |
| 3218 | for (i = 0; i < nb_filtergraphs; i++) { |
| 3219 | FilterGraph *fg = filtergraphs[i]; |
| 3220 | if (fg->graph) { |
| 3221 | if (time < 0) { |
| 3222 | ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf), |
| 3223 | key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0); |
| 3224 | fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf); |
| 3225 | } else if (key == 'c') { |
| 3226 | fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n"); |
| 3227 | ret = AVERROR_PATCHWELCOME; |
| 3228 | } else { |
| 3229 | ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time); |
| 3230 | } |
| 3231 | } |
| 3232 | } |
| 3233 | } else { |
| 3234 | av_log(NULL, AV_LOG_ERROR, |
| 3235 | "Parse error, at least 3 arguments were expected, " |
| 3236 | "only %d given in string '%s'\n", n, buf); |
| 3237 | } |
| 3238 | } |
| 3239 | if (key == 'd' || key == 'D'){ |
| 3240 | int debug=0; |
| 3241 | if(key == 'D') { |
| 3242 | debug = input_streams[0]->st->codec->debug<<1; |
| 3243 | if(!debug) debug = 1; |
| 3244 | while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash |
| 3245 | debug += debug; |
| 3246 | }else |
| 3247 | if(scanf("%d", &debug)!=1) |
| 3248 | fprintf(stderr,"error parsing debug value\n"); |
| 3249 | for(i=0;i<nb_input_streams;i++) { |
| 3250 | input_streams[i]->st->codec->debug = debug; |
| 3251 | } |
| 3252 | for(i=0;i<nb_output_streams;i++) { |
| 3253 | OutputStream *ost = output_streams[i]; |
| 3254 | ost->enc_ctx->debug = debug; |
| 3255 | } |
| 3256 | if(debug) av_log_set_level(AV_LOG_DEBUG); |
| 3257 | fprintf(stderr,"debug=%d\n", debug); |
| 3258 | } |
| 3259 | if (key == '?'){ |
| 3260 | fprintf(stderr, "key function\n" |
| 3261 | "? show this help\n" |
| 3262 | "+ increase verbosity\n" |
| 3263 | "- decrease verbosity\n" |
| 3264 | "c Send command to first matching filter supporting it\n" |
| 3265 | "C Send/Que command to all matching filters\n" |
| 3266 | "D cycle through available debug modes\n" |
| 3267 | "h dump packets/hex press to cycle through the 3 states\n" |
| 3268 | "q quit\n" |
| 3269 | "s Show QP histogram\n" |
| 3270 | ); |
| 3271 | } |
| 3272 | return 0; |
| 3273 | } |
| 3274 | |
| 3275 | #if HAVE_PTHREADS |
| 3276 | static void *input_thread(void *arg) |
| 3277 | { |
| 3278 | InputFile *f = arg; |
| 3279 | int ret = 0; |
| 3280 | |
| 3281 | while (1) { |
| 3282 | AVPacket pkt; |
| 3283 | ret = av_read_frame(f->ctx, &pkt); |
| 3284 | |
| 3285 | if (ret == AVERROR(EAGAIN)) { |
| 3286 | av_usleep(10000); |
| 3287 | continue; |
| 3288 | } |
| 3289 | if (ret < 0) { |
| 3290 | av_thread_message_queue_set_err_recv(f->in_thread_queue, ret); |
| 3291 | break; |
| 3292 | } |
| 3293 | av_dup_packet(&pkt); |
| 3294 | ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, 0); |
| 3295 | if (ret < 0) { |
| 3296 | if (ret != AVERROR_EOF) |
| 3297 | av_log(f->ctx, AV_LOG_ERROR, |
| 3298 | "Unable to send packet to main thread: %s\n", |
| 3299 | av_err2str(ret)); |
| 3300 | av_free_packet(&pkt); |
| 3301 | av_thread_message_queue_set_err_recv(f->in_thread_queue, ret); |
| 3302 | break; |
| 3303 | } |
| 3304 | } |
| 3305 | |
| 3306 | return NULL; |
| 3307 | } |
| 3308 | |
| 3309 | static void free_input_threads(void) |
| 3310 | { |
| 3311 | int i; |
| 3312 | |
| 3313 | for (i = 0; i < nb_input_files; i++) { |
| 3314 | InputFile *f = input_files[i]; |
| 3315 | AVPacket pkt; |
| 3316 | |
| 3317 | if (!f->in_thread_queue) |
| 3318 | continue; |
| 3319 | av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF); |
| 3320 | while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0) |
| 3321 | av_free_packet(&pkt); |
| 3322 | |
| 3323 | pthread_join(f->thread, NULL); |
| 3324 | f->joined = 1; |
| 3325 | av_thread_message_queue_free(&f->in_thread_queue); |
| 3326 | } |
| 3327 | } |
| 3328 | |
| 3329 | static int init_input_threads(void) |
| 3330 | { |
| 3331 | int i, ret; |
| 3332 | |
| 3333 | if (nb_input_files == 1) |
| 3334 | return 0; |
| 3335 | |
| 3336 | for (i = 0; i < nb_input_files; i++) { |
| 3337 | InputFile *f = input_files[i]; |
| 3338 | |
| 3339 | if (f->ctx->pb ? !f->ctx->pb->seekable : |
| 3340 | strcmp(f->ctx->iformat->name, "lavfi")) |
| 3341 | f->non_blocking = 1; |
| 3342 | ret = av_thread_message_queue_alloc(&f->in_thread_queue, |
| 3343 | 8, sizeof(AVPacket)); |
| 3344 | if (ret < 0) |
| 3345 | return ret; |
| 3346 | |
| 3347 | if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) { |
| 3348 | av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret)); |
| 3349 | av_thread_message_queue_free(&f->in_thread_queue); |
| 3350 | return AVERROR(ret); |
| 3351 | } |
| 3352 | } |
| 3353 | return 0; |
| 3354 | } |
| 3355 | |
| 3356 | static int get_input_packet_mt(InputFile *f, AVPacket *pkt) |
| 3357 | { |
| 3358 | return av_thread_message_queue_recv(f->in_thread_queue, pkt, |
| 3359 | f->non_blocking ? |
| 3360 | AV_THREAD_MESSAGE_NONBLOCK : 0); |
| 3361 | } |
| 3362 | #endif |
| 3363 | |
| 3364 | static int get_input_packet(InputFile *f, AVPacket *pkt) |
| 3365 | { |
| 3366 | if (f->rate_emu) { |
| 3367 | int i; |
| 3368 | for (i = 0; i < f->nb_streams; i++) { |
| 3369 | InputStream *ist = input_streams[f->ist_index + i]; |
| 3370 | int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE); |
| 3371 | int64_t now = av_gettime_relative() - ist->start; |
| 3372 | if (pts > now) |
| 3373 | return AVERROR(EAGAIN); |
| 3374 | } |
| 3375 | } |
| 3376 | |
| 3377 | #if HAVE_PTHREADS |
| 3378 | if (nb_input_files > 1) |
| 3379 | return get_input_packet_mt(f, pkt); |
| 3380 | #endif |
| 3381 | return av_read_frame(f->ctx, pkt); |
| 3382 | } |
| 3383 | |
| 3384 | static int got_eagain(void) |
| 3385 | { |
| 3386 | int i; |
| 3387 | for (i = 0; i < nb_output_streams; i++) |
| 3388 | if (output_streams[i]->unavailable) |
| 3389 | return 1; |
| 3390 | return 0; |
| 3391 | } |
| 3392 | |
| 3393 | static void reset_eagain(void) |
| 3394 | { |
| 3395 | int i; |
| 3396 | for (i = 0; i < nb_input_files; i++) |
| 3397 | input_files[i]->eagain = 0; |
| 3398 | for (i = 0; i < nb_output_streams; i++) |
| 3399 | output_streams[i]->unavailable = 0; |
| 3400 | } |
| 3401 | |
| 3402 | /* |
| 3403 | * Return |
| 3404 | * - 0 -- one packet was read and processed |
| 3405 | * - AVERROR(EAGAIN) -- no packets were available for selected file, |
| 3406 | * this function should be called again |
| 3407 | * - AVERROR_EOF -- this function should not be called again |
| 3408 | */ |
| 3409 | static int process_input(int file_index) |
| 3410 | { |
| 3411 | InputFile *ifile = input_files[file_index]; |
| 3412 | AVFormatContext *is; |
| 3413 | InputStream *ist; |
| 3414 | AVPacket pkt; |
| 3415 | int ret, i, j; |
| 3416 | |
| 3417 | is = ifile->ctx; |
| 3418 | ret = get_input_packet(ifile, &pkt); |
| 3419 | |
| 3420 | if (ret == AVERROR(EAGAIN)) { |
| 3421 | ifile->eagain = 1; |
| 3422 | return ret; |
| 3423 | } |
| 3424 | if (ret < 0) { |
| 3425 | if (ret != AVERROR_EOF) { |
| 3426 | print_error(is->filename, ret); |
| 3427 | if (exit_on_error) |
| 3428 | exit_program(1); |
| 3429 | } |
| 3430 | |
| 3431 | for (i = 0; i < ifile->nb_streams; i++) { |
| 3432 | ist = input_streams[ifile->ist_index + i]; |
| 3433 | if (ist->decoding_needed) { |
| 3434 | ret = process_input_packet(ist, NULL); |
| 3435 | if (ret>0) |
| 3436 | return 0; |
| 3437 | } |
| 3438 | |
| 3439 | /* mark all outputs that don't go through lavfi as finished */ |
| 3440 | for (j = 0; j < nb_output_streams; j++) { |
| 3441 | OutputStream *ost = output_streams[j]; |
| 3442 | |
| 3443 | if (ost->source_index == ifile->ist_index + i && |
| 3444 | (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE)) |
| 3445 | finish_output_stream(ost); |
| 3446 | } |
| 3447 | } |
| 3448 | |
| 3449 | ifile->eof_reached = 1; |
| 3450 | return AVERROR(EAGAIN); |
| 3451 | } |
| 3452 | |
| 3453 | reset_eagain(); |
| 3454 | |
| 3455 | if (do_pkt_dump) { |
| 3456 | av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump, |
| 3457 | is->streams[pkt.stream_index]); |
| 3458 | } |
| 3459 | /* the following test is needed in case new streams appear |
| 3460 | dynamically in stream : we ignore them */ |
| 3461 | if (pkt.stream_index >= ifile->nb_streams) { |
| 3462 | report_new_stream(file_index, &pkt); |
| 3463 | goto discard_packet; |
| 3464 | } |
| 3465 | |
| 3466 | ist = input_streams[ifile->ist_index + pkt.stream_index]; |
| 3467 | |
| 3468 | ist->data_size += pkt.size; |
| 3469 | ist->nb_packets++; |
| 3470 | |
| 3471 | if (ist->discard) |
| 3472 | goto discard_packet; |
| 3473 | |
| 3474 | if (debug_ts) { |
| 3475 | av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s " |
| 3476 | "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n", |
| 3477 | ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type), |
| 3478 | av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q), |
| 3479 | av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q), |
| 3480 | av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base), |
| 3481 | av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base), |
| 3482 | av_ts2str(input_files[ist->file_index]->ts_offset), |
| 3483 | av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q)); |
| 3484 | } |
| 3485 | |
| 3486 | if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){ |
| 3487 | int64_t stime, stime2; |
| 3488 | // Correcting starttime based on the enabled streams |
| 3489 | // FIXME this ideally should be done before the first use of starttime but we do not know which are the enabled streams at that point. |
| 3490 | // so we instead do it here as part of discontinuity handling |
| 3491 | if ( ist->next_dts == AV_NOPTS_VALUE |
| 3492 | && ifile->ts_offset == -is->start_time |
| 3493 | && (is->iformat->flags & AVFMT_TS_DISCONT)) { |
| 3494 | int64_t new_start_time = INT64_MAX; |
| 3495 | for (i=0; i<is->nb_streams; i++) { |
| 3496 | AVStream *st = is->streams[i]; |
| 3497 | if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE) |
| 3498 | continue; |
| 3499 | new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q)); |
| 3500 | } |
| 3501 | if (new_start_time > is->start_time) { |
| 3502 | av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time); |
| 3503 | ifile->ts_offset = -new_start_time; |
| 3504 | } |
| 3505 | } |
| 3506 | |
| 3507 | stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base); |
| 3508 | stime2= stime + (1ULL<<ist->st->pts_wrap_bits); |
| 3509 | ist->wrap_correction_done = 1; |
| 3510 | |
| 3511 | if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) { |
| 3512 | pkt.dts -= 1ULL<<ist->st->pts_wrap_bits; |
| 3513 | ist->wrap_correction_done = 0; |
| 3514 | } |
| 3515 | if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) { |
| 3516 | pkt.pts -= 1ULL<<ist->st->pts_wrap_bits; |
| 3517 | ist->wrap_correction_done = 0; |
| 3518 | } |
| 3519 | } |
| 3520 | |
| 3521 | /* add the stream-global side data to the first packet */ |
| 3522 | if (ist->nb_packets == 1) { |
| 3523 | if (ist->st->nb_side_data) |
| 3524 | av_packet_split_side_data(&pkt); |
| 3525 | for (i = 0; i < ist->st->nb_side_data; i++) { |
| 3526 | AVPacketSideData *src_sd = &ist->st->side_data[i]; |
| 3527 | uint8_t *dst_data; |
| 3528 | |
| 3529 | if (av_packet_get_side_data(&pkt, src_sd->type, NULL)) |
| 3530 | continue; |
| 3531 | |
| 3532 | dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size); |
| 3533 | if (!dst_data) |
| 3534 | exit_program(1); |
| 3535 | |
| 3536 | memcpy(dst_data, src_sd->data, src_sd->size); |
| 3537 | } |
| 3538 | } |
| 3539 | |
| 3540 | if (pkt.dts != AV_NOPTS_VALUE) |
| 3541 | pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); |
| 3542 | if (pkt.pts != AV_NOPTS_VALUE) |
| 3543 | pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); |
| 3544 | |
| 3545 | if (pkt.pts != AV_NOPTS_VALUE) |
| 3546 | pkt.pts *= ist->ts_scale; |
| 3547 | if (pkt.dts != AV_NOPTS_VALUE) |
| 3548 | pkt.dts *= ist->ts_scale; |
| 3549 | |
| 3550 | if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO || |
| 3551 | ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) && |
| 3552 | pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts |
| 3553 | && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) { |
| 3554 | int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); |
| 3555 | int64_t delta = pkt_dts - ifile->last_ts; |
| 3556 | if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE || |
| 3557 | delta > 1LL*dts_delta_threshold*AV_TIME_BASE){ |
| 3558 | ifile->ts_offset -= delta; |
| 3559 | av_log(NULL, AV_LOG_DEBUG, |
| 3560 | "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", |
| 3561 | delta, ifile->ts_offset); |
| 3562 | pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
| 3563 | if (pkt.pts != AV_NOPTS_VALUE) |
| 3564 | pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
| 3565 | } |
| 3566 | } |
| 3567 | |
| 3568 | if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO || |
| 3569 | ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) && |
| 3570 | pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && |
| 3571 | !copy_ts) { |
| 3572 | int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); |
| 3573 | int64_t delta = pkt_dts - ist->next_dts; |
| 3574 | if (is->iformat->flags & AVFMT_TS_DISCONT) { |
| 3575 | if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE || |
| 3576 | delta > 1LL*dts_delta_threshold*AV_TIME_BASE || |
| 3577 | pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) { |
| 3578 | ifile->ts_offset -= delta; |
| 3579 | av_log(NULL, AV_LOG_DEBUG, |
| 3580 | "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", |
| 3581 | delta, ifile->ts_offset); |
| 3582 | pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
| 3583 | if (pkt.pts != AV_NOPTS_VALUE) |
| 3584 | pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
| 3585 | } |
| 3586 | } else { |
| 3587 | if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE || |
| 3588 | delta > 1LL*dts_error_threshold*AV_TIME_BASE) { |
| 3589 | av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index); |
| 3590 | pkt.dts = AV_NOPTS_VALUE; |
| 3591 | } |
| 3592 | if (pkt.pts != AV_NOPTS_VALUE){ |
| 3593 | int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q); |
| 3594 | delta = pkt_pts - ist->next_dts; |
| 3595 | if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE || |
| 3596 | delta > 1LL*dts_error_threshold*AV_TIME_BASE) { |
| 3597 | av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index); |
| 3598 | pkt.pts = AV_NOPTS_VALUE; |
| 3599 | } |
| 3600 | } |
| 3601 | } |
| 3602 | } |
| 3603 | |
| 3604 | if (pkt.dts != AV_NOPTS_VALUE) |
| 3605 | ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); |
| 3606 | |
| 3607 | if (debug_ts) { |
| 3608 | av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n", |
| 3609 | ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type), |
| 3610 | av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base), |
| 3611 | av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base), |
| 3612 | av_ts2str(input_files[ist->file_index]->ts_offset), |
| 3613 | av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q)); |
| 3614 | } |
| 3615 | |
| 3616 | sub2video_heartbeat(ist, pkt.pts); |
| 3617 | |
| 3618 | ret = process_input_packet(ist, &pkt); |
| 3619 | if (ret < 0) { |
| 3620 | av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n", |
| 3621 | ist->file_index, ist->st->index, av_err2str(ret)); |
| 3622 | if (exit_on_error) |
| 3623 | exit_program(1); |
| 3624 | } |
| 3625 | |
| 3626 | discard_packet: |
| 3627 | av_free_packet(&pkt); |
| 3628 | |
| 3629 | return 0; |
| 3630 | } |
| 3631 | |
| 3632 | /** |
| 3633 | * Perform a step of transcoding for the specified filter graph. |
| 3634 | * |
| 3635 | * @param[in] graph filter graph to consider |
| 3636 | * @param[out] best_ist input stream where a frame would allow to continue |
| 3637 | * @return 0 for success, <0 for error |
| 3638 | */ |
| 3639 | static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist) |
| 3640 | { |
| 3641 | int i, ret; |
| 3642 | int nb_requests, nb_requests_max = 0; |
| 3643 | InputFilter *ifilter; |
| 3644 | InputStream *ist; |
| 3645 | |
| 3646 | *best_ist = NULL; |
| 3647 | ret = avfilter_graph_request_oldest(graph->graph); |
| 3648 | if (ret >= 0) |
| 3649 | return reap_filters(); |
| 3650 | |
| 3651 | if (ret == AVERROR_EOF) { |
| 3652 | ret = reap_filters(); |
| 3653 | for (i = 0; i < graph->nb_outputs; i++) |
| 3654 | close_output_stream(graph->outputs[i]->ost); |
| 3655 | return ret; |
| 3656 | } |
| 3657 | if (ret != AVERROR(EAGAIN)) |
| 3658 | return ret; |
| 3659 | |
| 3660 | for (i = 0; i < graph->nb_inputs; i++) { |
| 3661 | ifilter = graph->inputs[i]; |
| 3662 | ist = ifilter->ist; |
| 3663 | if (input_files[ist->file_index]->eagain || |
| 3664 | input_files[ist->file_index]->eof_reached) |
| 3665 | continue; |
| 3666 | nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter); |
| 3667 | if (nb_requests > nb_requests_max) { |
| 3668 | nb_requests_max = nb_requests; |
| 3669 | *best_ist = ist; |
| 3670 | } |
| 3671 | } |
| 3672 | |
| 3673 | if (!*best_ist) |
| 3674 | for (i = 0; i < graph->nb_outputs; i++) |
| 3675 | graph->outputs[i]->ost->unavailable = 1; |
| 3676 | |
| 3677 | return 0; |
| 3678 | } |
| 3679 | |
| 3680 | /** |
| 3681 | * Run a single step of transcoding. |
| 3682 | * |
| 3683 | * @return 0 for success, <0 for error |
| 3684 | */ |
| 3685 | static int transcode_step(void) |
| 3686 | { |
| 3687 | OutputStream *ost; |
| 3688 | InputStream *ist; |
| 3689 | int ret; |
| 3690 | |
| 3691 | ost = choose_output(); |
| 3692 | if (!ost) { |
| 3693 | if (got_eagain()) { |
| 3694 | reset_eagain(); |
| 3695 | av_usleep(10000); |
| 3696 | return 0; |
| 3697 | } |
| 3698 | av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n"); |
| 3699 | return AVERROR_EOF; |
| 3700 | } |
| 3701 | |
| 3702 | if (ost->filter) { |
| 3703 | if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0) |
| 3704 | return ret; |
| 3705 | if (!ist) |
| 3706 | return 0; |
| 3707 | } else { |
| 3708 | av_assert0(ost->source_index >= 0); |
| 3709 | ist = input_streams[ost->source_index]; |
| 3710 | } |
| 3711 | |
| 3712 | ret = process_input(ist->file_index); |
| 3713 | if (ret == AVERROR(EAGAIN)) { |
| 3714 | if (input_files[ist->file_index]->eagain) |
| 3715 | ost->unavailable = 1; |
| 3716 | return 0; |
| 3717 | } |
| 3718 | if (ret < 0) |
| 3719 | return ret == AVERROR_EOF ? 0 : ret; |
| 3720 | |
| 3721 | return reap_filters(); |
| 3722 | } |
| 3723 | |
| 3724 | /* |
| 3725 | * The following code is the main loop of the file converter |
| 3726 | */ |
| 3727 | static int transcode(void) |
| 3728 | { |
| 3729 | int ret, i; |
| 3730 | AVFormatContext *os; |
| 3731 | OutputStream *ost; |
| 3732 | InputStream *ist; |
| 3733 | int64_t timer_start; |
| 3734 | |
| 3735 | ret = transcode_init(); |
| 3736 | if (ret < 0) |
| 3737 | goto fail; |
| 3738 | |
| 3739 | if (stdin_interaction) { |
| 3740 | av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n"); |
| 3741 | } |
| 3742 | |
| 3743 | timer_start = av_gettime_relative(); |
| 3744 | |
| 3745 | #if HAVE_PTHREADS |
| 3746 | if ((ret = init_input_threads()) < 0) |
| 3747 | goto fail; |
| 3748 | #endif |
| 3749 | |
| 3750 | while (!received_sigterm) { |
| 3751 | int64_t cur_time= av_gettime_relative(); |
| 3752 | |
| 3753 | /* if 'q' pressed, exits */ |
| 3754 | if (stdin_interaction) |
| 3755 | if (check_keyboard_interaction(cur_time) < 0) |
| 3756 | break; |
| 3757 | |
| 3758 | /* check if there's any stream where output is still needed */ |
| 3759 | if (!need_output()) { |
| 3760 | av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n"); |
| 3761 | break; |
| 3762 | } |
| 3763 | |
| 3764 | ret = transcode_step(); |
| 3765 | if (ret < 0) { |
| 3766 | if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) |
| 3767 | continue; |
| 3768 | |
| 3769 | av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n"); |
| 3770 | break; |
| 3771 | } |
| 3772 | |
| 3773 | /* dump report by using the output first video and audio streams */ |
| 3774 | print_report(0, timer_start, cur_time); |
| 3775 | } |
| 3776 | #if HAVE_PTHREADS |
| 3777 | free_input_threads(); |
| 3778 | #endif |
| 3779 | |
| 3780 | /* at the end of stream, we must flush the decoder buffers */ |
| 3781 | for (i = 0; i < nb_input_streams; i++) { |
| 3782 | ist = input_streams[i]; |
| 3783 | if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) { |
| 3784 | process_input_packet(ist, NULL); |
| 3785 | } |
| 3786 | } |
| 3787 | flush_encoders(); |
| 3788 | |
| 3789 | term_exit(); |
| 3790 | |
| 3791 | /* write the trailer if needed and close file */ |
| 3792 | for (i = 0; i < nb_output_files; i++) { |
| 3793 | os = output_files[i]->ctx; |
| 3794 | av_write_trailer(os); |
| 3795 | } |
| 3796 | |
| 3797 | /* dump report by using the first video and audio streams */ |
| 3798 | print_report(1, timer_start, av_gettime_relative()); |
| 3799 | |
| 3800 | /* close each encoder */ |
| 3801 | for (i = 0; i < nb_output_streams; i++) { |
| 3802 | ost = output_streams[i]; |
| 3803 | if (ost->encoding_needed) { |
| 3804 | av_freep(&ost->enc_ctx->stats_in); |
| 3805 | } |
| 3806 | } |
| 3807 | |
| 3808 | /* close each decoder */ |
| 3809 | for (i = 0; i < nb_input_streams; i++) { |
| 3810 | ist = input_streams[i]; |
| 3811 | if (ist->decoding_needed) { |
| 3812 | avcodec_close(ist->dec_ctx); |
| 3813 | if (ist->hwaccel_uninit) |
| 3814 | ist->hwaccel_uninit(ist->dec_ctx); |
| 3815 | } |
| 3816 | } |
| 3817 | |
| 3818 | /* finished ! */ |
| 3819 | ret = 0; |
| 3820 | |
| 3821 | fail: |
| 3822 | #if HAVE_PTHREADS |
| 3823 | free_input_threads(); |
| 3824 | #endif |
| 3825 | |
| 3826 | if (output_streams) { |
| 3827 | for (i = 0; i < nb_output_streams; i++) { |
| 3828 | ost = output_streams[i]; |
| 3829 | if (ost) { |
| 3830 | if (ost->logfile) { |
| 3831 | fclose(ost->logfile); |
| 3832 | ost->logfile = NULL; |
| 3833 | } |
| 3834 | av_freep(&ost->forced_kf_pts); |
| 3835 | av_freep(&ost->apad); |
| 3836 | av_dict_free(&ost->encoder_opts); |
| 3837 | av_dict_free(&ost->swr_opts); |
| 3838 | av_dict_free(&ost->resample_opts); |
| 3839 | av_dict_free(&ost->bsf_args); |
| 3840 | } |
| 3841 | } |
| 3842 | } |
| 3843 | return ret; |
| 3844 | } |
| 3845 | |
| 3846 | |
| 3847 | static int64_t getutime(void) |
| 3848 | { |
| 3849 | #if HAVE_GETRUSAGE |
| 3850 | struct rusage rusage; |
| 3851 | |
| 3852 | getrusage(RUSAGE_SELF, &rusage); |
| 3853 | return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec; |
| 3854 | #elif HAVE_GETPROCESSTIMES |
| 3855 | HANDLE proc; |
| 3856 | FILETIME c, e, k, u; |
| 3857 | proc = GetCurrentProcess(); |
| 3858 | GetProcessTimes(proc, &c, &e, &k, &u); |
| 3859 | return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10; |
| 3860 | #else |
| 3861 | return av_gettime_relative(); |
| 3862 | #endif |
| 3863 | } |
| 3864 | |
| 3865 | static int64_t getmaxrss(void) |
| 3866 | { |
| 3867 | #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS |
| 3868 | struct rusage rusage; |
| 3869 | getrusage(RUSAGE_SELF, &rusage); |
| 3870 | return (int64_t)rusage.ru_maxrss * 1024; |
| 3871 | #elif HAVE_GETPROCESSMEMORYINFO |
| 3872 | HANDLE proc; |
| 3873 | PROCESS_MEMORY_COUNTERS memcounters; |
| 3874 | proc = GetCurrentProcess(); |
| 3875 | memcounters.cb = sizeof(memcounters); |
| 3876 | GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters)); |
| 3877 | return memcounters.PeakPagefileUsage; |
| 3878 | #else |
| 3879 | return 0; |
| 3880 | #endif |
| 3881 | } |
| 3882 | |
| 3883 | static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl) |
| 3884 | { |
| 3885 | } |
| 3886 | |
| 3887 | int main(int argc, char **argv) |
| 3888 | { |
| 3889 | int ret; |
| 3890 | int64_t ti; |
| 3891 | |
| 3892 | register_exit(ffmpeg_cleanup); |
| 3893 | |
| 3894 | setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */ |
| 3895 | |
| 3896 | av_log_set_flags(AV_LOG_SKIP_REPEATED); |
| 3897 | parse_loglevel(argc, argv, options); |
| 3898 | |
| 3899 | if(argc>1 && !strcmp(argv[1], "-d")){ |
| 3900 | run_as_daemon=1; |
| 3901 | av_log_set_callback(log_callback_null); |
| 3902 | argc--; |
| 3903 | argv++; |
| 3904 | } |
| 3905 | |
| 3906 | avcodec_register_all(); |
| 3907 | #if CONFIG_AVDEVICE |
| 3908 | avdevice_register_all(); |
| 3909 | #endif |
| 3910 | avfilter_register_all(); |
| 3911 | av_register_all(); |
| 3912 | avformat_network_init(); |
| 3913 | |
| 3914 | show_banner(argc, argv, options); |
| 3915 | |
| 3916 | term_init(); |
| 3917 | |
| 3918 | /* parse options and open all input/output files */ |
| 3919 | ret = ffmpeg_parse_options(argc, argv); |
| 3920 | if (ret < 0) |
| 3921 | exit_program(1); |
| 3922 | |
| 3923 | if (nb_output_files <= 0 && nb_input_files == 0) { |
| 3924 | show_usage(); |
| 3925 | av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name); |
| 3926 | exit_program(1); |
| 3927 | } |
| 3928 | |
| 3929 | /* file converter / grab */ |
| 3930 | if (nb_output_files <= 0) { |
| 3931 | av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n"); |
| 3932 | exit_program(1); |
| 3933 | } |
| 3934 | |
| 3935 | // if (nb_input_files == 0) { |
| 3936 | // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n"); |
| 3937 | // exit_program(1); |
| 3938 | // } |
| 3939 | |
| 3940 | current_time = ti = getutime(); |
| 3941 | if (transcode() < 0) |
| 3942 | exit_program(1); |
| 3943 | ti = getutime() - ti; |
| 3944 | if (do_benchmark) { |
| 3945 | printf("bench: utime=%0.3fs\n", ti / 1000000.0); |
| 3946 | } |
| 3947 | av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n", |
| 3948 | decode_error_stat[0], decode_error_stat[1]); |
| 3949 | if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1]) |
| 3950 | exit_program(69); |
| 3951 | |
| 3952 | exit_program(received_nb_signals ? 255 : main_return_code); |
| 3953 | return main_return_code; |
| 3954 | } |