ffmpeg/libavfilter/src_movie.c

   1 /*
   2  * Copyright (c) 2010 Stefano Sabatini
   3  * Copyright (c) 2008 Victor Paesa
   4  *
   5  * This file is part of FFmpeg.
   6  *
   7  * FFmpeg is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * FFmpeg is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with FFmpeg; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 /**
  23  * @file
  24  * movie video source
  25  *
  26  * @todo use direct rendering (no allocation of a new frame)
  27  * @todo support a PTS correction mechanism
  28  */
  29
  30 #include <float.h>
  31 #include <stdint.h>
  32
  33 #include "libavutil/attributes.h"
  34 #include "libavutil/avstring.h"
  35 #include "libavutil/avassert.h"
  36 #include "libavutil/opt.h"
  37 #include "libavutil/imgutils.h"
  38 #include "libavutil/timestamp.h"
  39 #include "libavformat/avformat.h"
  40 #include "audio.h"
  41 #include "avcodec.h"
  42 #include "avfilter.h"
  43 #include "formats.h"
  44 #include "internal.h"
  45 #include "video.h"
  46
  47 typedef struct MovieStream {
  48     AVStream *st;
  49     int done;
  50 } MovieStream;
  51
  52 typedef struct MovieContext {
  53     /* common A/V fields */
  54     const AVClass *class;
  55     int64_t seek_point;   ///< seekpoint in microseconds
  56     double seek_point_d;
  57     char *format_name;
  58     char *file_name;
  59     char *stream_specs; /**< user-provided list of streams, separated by + */
  60     int stream_index; /**< for compatibility */
  61     int loop_count;
  62
  63     AVFormatContext *format_ctx;
  64     int eof;
  65     AVPacket pkt, pkt0;
  66
  67     int max_stream_index; /**< max stream # actually used for output */
  68     MovieStream *st; /**< array of all streams, one per output */
  69     int *out_index; /**< stream number -> output number map, or -1 */
  70 } MovieContext;
  71
  72 #define OFFSET(x) offsetof(MovieContext, x)
  73 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_VIDEO_PARAM
  74
  75 static const AVOption movie_options[]= {
  76     { "filename",     NULL,                      OFFSET(file_name),    AV_OPT_TYPE_STRING,                                    .flags = FLAGS },
  77     { "format_name",  "set format name",         OFFSET(format_name),  AV_OPT_TYPE_STRING,                                    .flags = FLAGS },
  78     { "f",            "set format name",         OFFSET(format_name),  AV_OPT_TYPE_STRING,                                    .flags = FLAGS },
  79     { "stream_index", "set stream index",        OFFSET(stream_index), AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX,                 FLAGS  },
  80     { "si",           "set stream index",        OFFSET(stream_index), AV_OPT_TYPE_INT,    { .i64 = -1 }, -1, INT_MAX,                 FLAGS  },
  81     { "seek_point",   "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, { .dbl =  0 },  0, (INT64_MAX-1) / 1000000, FLAGS },
  82     { "sp",           "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, { .dbl =  0 },  0, (INT64_MAX-1) / 1000000, FLAGS },
  83     { "streams",      "set streams",             OFFSET(stream_specs), AV_OPT_TYPE_STRING, {.str =  0},  CHAR_MAX, CHAR_MAX, FLAGS },
  84     { "s",            "set streams",             OFFSET(stream_specs), AV_OPT_TYPE_STRING, {.str =  0},  CHAR_MAX, CHAR_MAX, FLAGS },
  85     { "loop",         "set loop count",          OFFSET(loop_count),   AV_OPT_TYPE_INT,    {.i64 =  1},  0,        INT_MAX, FLAGS },
  86     { NULL },
  87 };
  88
  89 static int movie_config_output_props(AVFilterLink *outlink);
  90 static int movie_request_frame(AVFilterLink *outlink);
  91
  92 static AVStream *find_stream(void *log, AVFormatContext *avf, const char *spec)
  93 {
  94     int i, ret, already = 0, stream_id = -1;
  95     char type_char[2], dummy;
  96     AVStream *found = NULL;
  97     enum AVMediaType type;
  98
  99     ret = sscanf(spec, "d%1[av]%d%c", type_char, &stream_id, &dummy);
 100     if (ret >= 1 && ret <= 2) {
 101         type = type_char[0] == 'v' ? AVMEDIA_TYPE_VIDEO : AVMEDIA_TYPE_AUDIO;
 102         ret = av_find_best_stream(avf, type, stream_id, -1, NULL, 0);
 103         if (ret < 0) {
 104             av_log(log, AV_LOG_ERROR, "No %s stream with index '%d' found\n",
 105                    av_get_media_type_string(type), stream_id);
 106             return NULL;
 107         }
 108         return avf->streams[ret];
 109     }
 110     for (i = 0; i < avf->nb_streams; i++) {
 111         ret = avformat_match_stream_specifier(avf, avf->streams[i], spec);
 112         if (ret < 0) {
 113             av_log(log, AV_LOG_ERROR,
 114                    "Invalid stream specifier \"%s\"\n", spec);
 115             return NULL;
 116         }
 117         if (!ret)
 118             continue;
 119         if (avf->streams[i]->discard != AVDISCARD_ALL) {
 120             already++;
 121             continue;
 122         }
 123         if (found) {
 124             av_log(log, AV_LOG_WARNING,
 125                    "Ambiguous stream specifier \"%s\", using #%d\n", spec, i);
 126             break;
 127         }
 128         found = avf->streams[i];
 129     }
 130     if (!found) {
 131         av_log(log, AV_LOG_WARNING, "Stream specifier \"%s\" %s\n", spec,
 132                already ? "matched only already used streams" :
 133                          "did not match any stream");
 134         return NULL;
 135     }
 136     if (found->codec->codec_type != AVMEDIA_TYPE_VIDEO &&
 137         found->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
 138         av_log(log, AV_LOG_ERROR, "Stream specifier \"%s\" matched a %s stream,"
 139                "currently unsupported by libavfilter\n", spec,
 140                av_get_media_type_string(found->codec->codec_type));
 141         return NULL;
 142     }
 143     return found;
 144 }
 145
 146 static int open_stream(void *log, MovieStream *st)
 147 {
 148     AVCodec *codec;
 149     int ret;
 150
 151     codec = avcodec_find_decoder(st->st->codec->codec_id);
 152     if (!codec) {
 153         av_log(log, AV_LOG_ERROR, "Failed to find any codec\n");
 154         return AVERROR(EINVAL);
 155     }
 156
 157     st->st->codec->refcounted_frames = 1;
 158
 159     if ((ret = avcodec_open2(st->st->codec, codec, NULL)) < 0) {
 160         av_log(log, AV_LOG_ERROR, "Failed to open codec\n");
 161         return ret;
 162     }
 163
 164     return 0;
 165 }
 166
 167 static int guess_channel_layout(MovieStream *st, int st_index, void *log_ctx)
 168 {
 169     AVCodecContext *dec_ctx = st->st->codec;
 170     char buf[256];
 171     int64_t chl = av_get_default_channel_layout(dec_ctx->channels);
 172
 173     if (!chl) {
 174         av_log(log_ctx, AV_LOG_ERROR,
 175                "Channel layout is not set in stream %d, and could not "
 176                "be guessed from the number of channels (%d)\n",
 177                st_index, dec_ctx->channels);
 178         return AVERROR(EINVAL);
 179     }
 180
 181     av_get_channel_layout_string(buf, sizeof(buf), dec_ctx->channels, chl);
 182     av_log(log_ctx, AV_LOG_WARNING,
 183            "Channel layout is not set in output stream %d, "
 184            "guessed channel layout is '%s'\n",
 185            st_index, buf);
 186     dec_ctx->channel_layout = chl;
 187     return 0;
 188 }
 189
 190 static av_cold int movie_common_init(AVFilterContext *ctx)
 191 {
 192     MovieContext *movie = ctx->priv;
 193     AVInputFormat *iformat = NULL;
 194     int64_t timestamp;
 195     int nb_streams = 1, ret, i;
 196     char default_streams[16], *stream_specs, *spec, *cursor;
 197     char name[16];
 198     AVStream *st;
 199
 200     if (!movie->file_name) {
 201         av_log(ctx, AV_LOG_ERROR, "No filename provided!\n");
 202         return AVERROR(EINVAL);
 203     }
 204
 205     movie->seek_point = movie->seek_point_d * 1000000 + 0.5;
 206
 207     stream_specs = movie->stream_specs;
 208     if (!stream_specs) {
 209         snprintf(default_streams, sizeof(default_streams), "d%c%d",
 210                  !strcmp(ctx->filter->name, "amovie") ? 'a' : 'v',
 211                  movie->stream_index);
 212         stream_specs = default_streams;
 213     }
 214     for (cursor = stream_specs; *cursor; cursor++)
 215         if (*cursor == '+')
 216             nb_streams++;
 217
 218     if (movie->loop_count != 1 && nb_streams != 1) {
 219         av_log(ctx, AV_LOG_ERROR,
 220                "Loop with several streams is currently unsupported\n");
 221         return AVERROR_PATCHWELCOME;
 222     }
 223
 224     av_register_all();
 225
 226     // Try to find the movie format (container)
 227     iformat = movie->format_name ? av_find_input_format(movie->format_name) : NULL;
 228
 229     movie->format_ctx = NULL;
 230     if ((ret = avformat_open_input(&movie->format_ctx, movie->file_name, iformat, NULL)) < 0) {
 231         av_log(ctx, AV_LOG_ERROR,
 232                "Failed to avformat_open_input '%s'\n", movie->file_name);
 233         return ret;
 234     }
 235     if ((ret = avformat_find_stream_info(movie->format_ctx, NULL)) < 0)
 236         av_log(ctx, AV_LOG_WARNING, "Failed to find stream info\n");
 237
 238     // if seeking requested, we execute it
 239     if (movie->seek_point > 0) {
 240         timestamp = movie->seek_point;
 241         // add the stream start time, should it exist
 242         if (movie->format_ctx->start_time != AV_NOPTS_VALUE) {
 243             if (timestamp > INT64_MAX - movie->format_ctx->start_time) {
 244                 av_log(ctx, AV_LOG_ERROR,
 245                        "%s: seek value overflow with start_time:%"PRId64" seek_point:%"PRId64"\n",
 246                        movie->file_name, movie->format_ctx->start_time, movie->seek_point);
 247                 return AVERROR(EINVAL);
 248             }
 249             timestamp += movie->format_ctx->start_time;
 250         }
 251         if ((ret = av_seek_frame(movie->format_ctx, -1, timestamp, AVSEEK_FLAG_BACKWARD)) < 0) {
 252             av_log(ctx, AV_LOG_ERROR, "%s: could not seek to position %"PRId64"\n",
 253                    movie->file_name, timestamp);
 254             return ret;
 255         }
 256     }
 257
 258     for (i = 0; i < movie->format_ctx->nb_streams; i++)
 259         movie->format_ctx->streams[i]->discard = AVDISCARD_ALL;
 260
 261     movie->st = av_calloc(nb_streams, sizeof(*movie->st));
 262     if (!movie->st)
 263         return AVERROR(ENOMEM);
 264
 265     for (i = 0; i < nb_streams; i++) {
 266         spec = av_strtok(stream_specs, "+", &cursor);
 267         if (!spec)
 268             return AVERROR_BUG;
 269         stream_specs = NULL; /* for next strtok */
 270         st = find_stream(ctx, movie->format_ctx, spec);
 271         if (!st)
 272             return AVERROR(EINVAL);
 273         st->discard = AVDISCARD_DEFAULT;
 274         movie->st[i].st = st;
 275         movie->max_stream_index = FFMAX(movie->max_stream_index, st->index);
 276     }
 277     if (av_strtok(NULL, "+", &cursor))
 278         return AVERROR_BUG;
 279
 280     movie->out_index = av_calloc(movie->max_stream_index + 1,
 281                                  sizeof(*movie->out_index));
 282     if (!movie->out_index)
 283         return AVERROR(ENOMEM);
 284     for (i = 0; i <= movie->max_stream_index; i++)
 285         movie->out_index[i] = -1;
 286     for (i = 0; i < nb_streams; i++) {
 287         AVFilterPad pad = { 0 };
 288         movie->out_index[movie->st[i].st->index] = i;
 289         snprintf(name, sizeof(name), "out%d", i);
 290         pad.type          = movie->st[i].st->codec->codec_type;
 291         pad.name          = av_strdup(name);
 292         if (!pad.name)
 293             return AVERROR(ENOMEM);
 294         pad.config_props  = movie_config_output_props;
 295         pad.request_frame = movie_request_frame;
 296         ff_insert_outpad(ctx, i, &pad);
 297         ret = open_stream(ctx, &movie->st[i]);
 298         if (ret < 0)
 299             return ret;
 300         if ( movie->st[i].st->codec->codec->type == AVMEDIA_TYPE_AUDIO &&
 301             !movie->st[i].st->codec->channel_layout) {
 302             ret = guess_channel_layout(&movie->st[i], i, ctx);
 303             if (ret < 0)
 304                 return ret;
 305         }
 306     }
 307
 308     av_log(ctx, AV_LOG_VERBOSE, "seek_point:%"PRIi64" format_name:%s file_name:%s stream_index:%d\n",
 309            movie->seek_point, movie->format_name, movie->file_name,
 310            movie->stream_index);
 311
 312     return 0;
 313 }
 314
 315 static av_cold void movie_uninit(AVFilterContext *ctx)
 316 {
 317     MovieContext *movie = ctx->priv;
 318     int i;
 319
 320     for (i = 0; i < ctx->nb_outputs; i++) {
 321         av_freep(&ctx->output_pads[i].name);
 322         if (movie->st[i].st)
 323             avcodec_close(movie->st[i].st->codec);
 324     }
 325     av_freep(&movie->st);
 326     av_freep(&movie->out_index);
 327     if (movie->format_ctx)
 328         avformat_close_input(&movie->format_ctx);
 329 }
 330
 331 static int movie_query_formats(AVFilterContext *ctx)
 332 {
 333     MovieContext *movie = ctx->priv;
 334     int list[] = { 0, -1 };
 335     int64_t list64[] = { 0, -1 };
 336     int i;
 337
 338     for (i = 0; i < ctx->nb_outputs; i++) {
 339         MovieStream *st = &movie->st[i];
 340         AVCodecContext *c = st->st->codec;
 341         AVFilterLink *outlink = ctx->outputs[i];
 342
 343         switch (c->codec_type) {
 344         case AVMEDIA_TYPE_VIDEO:
 345             list[0] = c->pix_fmt;
 346             ff_formats_ref(ff_make_format_list(list), &outlink->in_formats);
 347             break;
 348         case AVMEDIA_TYPE_AUDIO:
 349             list[0] = c->sample_fmt;
 350             ff_formats_ref(ff_make_format_list(list), &outlink->in_formats);
 351             list[0] = c->sample_rate;
 352             ff_formats_ref(ff_make_format_list(list), &outlink->in_samplerates);
 353             list64[0] = c->channel_layout;
 354             ff_channel_layouts_ref(avfilter_make_format64_list(list64),
 355                                    &outlink->in_channel_layouts);
 356             break;
 357         }
 358     }
 359
 360     return 0;
 361 }
 362
 363 static int movie_config_output_props(AVFilterLink *outlink)
 364 {
 365     AVFilterContext *ctx = outlink->src;
 366     MovieContext *movie  = ctx->priv;
 367     unsigned out_id = FF_OUTLINK_IDX(outlink);
 368     MovieStream *st = &movie->st[out_id];
 369     AVCodecContext *c = st->st->codec;
 370
 371     outlink->time_base = st->st->time_base;
 372
 373     switch (c->codec_type) {
 374     case AVMEDIA_TYPE_VIDEO:
 375         outlink->w          = c->width;
 376         outlink->h          = c->height;
 377         outlink->frame_rate = st->st->r_frame_rate;
 378         break;
 379     case AVMEDIA_TYPE_AUDIO:
 380         break;
 381     }
 382
 383     return 0;
 384 }
 385
 386 static char *describe_frame_to_str(char *dst, size_t dst_size,
 387                                    AVFrame *frame, enum AVMediaType frame_type,
 388                                    AVFilterLink *link)
 389 {
 390     switch (frame_type) {
 391     case AVMEDIA_TYPE_VIDEO:
 392         snprintf(dst, dst_size,
 393                  "video pts:%s time:%s size:%dx%d aspect:%d/%d",
 394                  av_ts2str(frame->pts), av_ts2timestr(frame->pts, &link->time_base),
 395                  frame->width, frame->height,
 396                  frame->sample_aspect_ratio.num,
 397                  frame->sample_aspect_ratio.den);
 398                  break;
 399     case AVMEDIA_TYPE_AUDIO:
 400         snprintf(dst, dst_size,
 401                  "audio pts:%s time:%s samples:%d",
 402                  av_ts2str(frame->pts), av_ts2timestr(frame->pts, &link->time_base),
 403                  frame->nb_samples);
 404                  break;
 405     default:
 406         snprintf(dst, dst_size, "%s BUG", av_get_media_type_string(frame_type));
 407         break;
 408     }
 409     return dst;
 410 }
 411
 412 static int rewind_file(AVFilterContext *ctx)
 413 {
 414     MovieContext *movie = ctx->priv;
 415     int64_t timestamp = movie->seek_point;
 416     int ret, i;
 417
 418     if (movie->format_ctx->start_time != AV_NOPTS_VALUE)
 419         timestamp += movie->format_ctx->start_time;
 420     ret = av_seek_frame(movie->format_ctx, -1, timestamp, AVSEEK_FLAG_BACKWARD);
 421     if (ret < 0) {
 422         av_log(ctx, AV_LOG_ERROR, "Unable to loop: %s\n", av_err2str(ret));
 423         movie->loop_count = 1; /* do not try again */
 424         return ret;
 425     }
 426
 427     for (i = 0; i < ctx->nb_outputs; i++) {
 428         avcodec_flush_buffers(movie->st[i].st->codec);
 429         movie->st[i].done = 0;
 430     }
 431     movie->eof = 0;
 432     return 0;
 433 }
 434
 435 /**
 436  * Try to push a frame to the requested output.
 437  *
 438  * @param ctx     filter context
 439  * @param out_id  number of output where a frame is wanted;
 440  *                if the frame is read from file, used to set the return value;
 441  *                if the codec is being flushed, flush the corresponding stream
 442  * @return  1 if a frame was pushed on the requested output,
 443  *          0 if another attempt is possible,
 444  *          <0 AVERROR code
 445  */
 446 static int movie_push_frame(AVFilterContext *ctx, unsigned out_id)
 447 {
 448     MovieContext *movie = ctx->priv;
 449     AVPacket *pkt = &movie->pkt;
 450     enum AVMediaType frame_type;
 451     MovieStream *st;
 452     int ret, got_frame = 0, pkt_out_id;
 453     AVFilterLink *outlink;
 454     AVFrame *frame;
 455
 456     if (!pkt->size) {
 457         if (movie->eof) {
 458             if (movie->st[out_id].done) {
 459                 if (movie->loop_count != 1) {
 460                     ret = rewind_file(ctx);
 461                     if (ret < 0)
 462                         return ret;
 463                     movie->loop_count -= movie->loop_count > 1;
 464                     av_log(ctx, AV_LOG_VERBOSE, "Stream finished, looping.\n");
 465                     return 0; /* retry */
 466                 }
 467                 return AVERROR_EOF;
 468             }
 469             pkt->stream_index = movie->st[out_id].st->index;
 470             /* packet is already ready for flushing */
 471         } else {
 472             ret = av_read_frame(movie->format_ctx, &movie->pkt0);
 473             if (ret < 0) {
 474                 av_init_packet(&movie->pkt0); /* ready for flushing */
 475                 *pkt = movie->pkt0;
 476                 if (ret == AVERROR_EOF) {
 477                     movie->eof = 1;
 478                     return 0; /* start flushing */
 479                 }
 480                 return ret;
 481             }
 482             *pkt = movie->pkt0;
 483         }
 484     }
 485
 486     pkt_out_id = pkt->stream_index > movie->max_stream_index ? -1 :
 487                  movie->out_index[pkt->stream_index];
 488     if (pkt_out_id < 0) {
 489         av_free_packet(&movie->pkt0);
 490         pkt->size = 0; /* ready for next run */
 491         pkt->data = NULL;
 492         return 0;
 493     }
 494     st = &movie->st[pkt_out_id];
 495     outlink = ctx->outputs[pkt_out_id];
 496
 497     frame = av_frame_alloc();
 498     if (!frame)
 499         return AVERROR(ENOMEM);
 500
 501     frame_type = st->st->codec->codec_type;
 502     switch (frame_type) {
 503     case AVMEDIA_TYPE_VIDEO:
 504         ret = avcodec_decode_video2(st->st->codec, frame, &got_frame, pkt);
 505         break;
 506     case AVMEDIA_TYPE_AUDIO:
 507         ret = avcodec_decode_audio4(st->st->codec, frame, &got_frame, pkt);
 508         break;
 509     default:
 510         ret = AVERROR(ENOSYS);
 511         break;
 512     }
 513     if (ret < 0) {
 514         av_log(ctx, AV_LOG_WARNING, "Decode error: %s\n", av_err2str(ret));
 515         av_frame_free(&frame);
 516         av_free_packet(&movie->pkt0);
 517         movie->pkt.size = 0;
 518         movie->pkt.data = NULL;
 519         return 0;
 520     }
 521     if (!ret || st->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
 522         ret = pkt->size;
 523
 524     pkt->data += ret;
 525     pkt->size -= ret;
 526     if (pkt->size <= 0) {
 527         av_free_packet(&movie->pkt0);
 528         pkt->size = 0; /* ready for next run */
 529         pkt->data = NULL;
 530     }
 531     if (!got_frame) {
 532         if (!ret)
 533             st->done = 1;
 534         av_frame_free(&frame);
 535         return 0;
 536     }
 537
 538     frame->pts = av_frame_get_best_effort_timestamp(frame);
 539     av_dlog(ctx, "movie_push_frame(): file:'%s' %s\n", movie->file_name,
 540             describe_frame_to_str((char[1024]){0}, 1024, frame, frame_type, outlink));
 541
 542     if (st->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
 543         if (frame->format != outlink->format) {
 544             av_log(ctx, AV_LOG_ERROR, "Format changed %s -> %s, discarding frame\n",
 545                 av_get_pix_fmt_name(outlink->format),
 546                 av_get_pix_fmt_name(frame->format)
 547                 );
 548             av_frame_free(&frame);
 549             return 0;
 550         }
 551     }
 552     ret = ff_filter_frame(outlink, frame);
 553
 554     if (ret < 0)
 555         return ret;
 556     return pkt_out_id == out_id;
 557 }
 558
 559 static int movie_request_frame(AVFilterLink *outlink)
 560 {
 561     AVFilterContext *ctx = outlink->src;
 562     unsigned out_id = FF_OUTLINK_IDX(outlink);
 563     int ret;
 564
 565     while (1) {
 566         ret = movie_push_frame(ctx, out_id);
 567         if (ret)
 568             return FFMIN(ret, 0);
 569     }
 570 }
 571
 572 #if CONFIG_MOVIE_FILTER
 573
 574 AVFILTER_DEFINE_CLASS(movie);
 575
 576 AVFilter ff_avsrc_movie = {
 577     .name          = "movie",
 578     .description   = NULL_IF_CONFIG_SMALL("Read from a movie source."),
 579     .priv_size     = sizeof(MovieContext),
 580     .priv_class    = &movie_class,
 581     .init          = movie_common_init,
 582     .uninit        = movie_uninit,
 583     .query_formats = movie_query_formats,
 584
 585     .inputs    = NULL,
 586     .outputs   = NULL,
 587     .flags     = AVFILTER_FLAG_DYNAMIC_OUTPUTS,
 588 };
 589
 590 #endif  /* CONFIG_MOVIE_FILTER */
 591
 592 #if CONFIG_AMOVIE_FILTER
 593
 594 #define amovie_options movie_options
 595 AVFILTER_DEFINE_CLASS(amovie);
 596
 597 AVFilter ff_avsrc_amovie = {
 598     .name          = "amovie",
 599     .description   = NULL_IF_CONFIG_SMALL("Read audio from a movie source."),
 600     .priv_size     = sizeof(MovieContext),
 601     .init          = movie_common_init,
 602     .uninit        = movie_uninit,
 603     .query_formats = movie_query_formats,
 604
 605     .inputs     = NULL,
 606     .outputs    = NULL,
 607     .priv_class = &amovie_class,
 608     .flags      = AVFILTER_FLAG_DYNAMIC_OUTPUTS,
 609 };
 610
 611 #endif /* CONFIG_AMOVIE_FILTER */