| 1 | /* |
| 2 | * Interface to the Android Stagefright library for |
| 3 | * H/W accelerated H.264 decoding |
| 4 | * |
| 5 | * Copyright (C) 2011 Mohamed Naufal |
| 6 | * Copyright (C) 2011 Martin Storsjö |
| 7 | * |
| 8 | * This file is part of FFmpeg. |
| 9 | * |
| 10 | * FFmpeg is free software; you can redistribute it and/or |
| 11 | * modify it under the terms of the GNU Lesser General Public |
| 12 | * License as published by the Free Software Foundation; either |
| 13 | * version 2.1 of the License, or (at your option) any later version. |
| 14 | * |
| 15 | * FFmpeg is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | * Lesser General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU Lesser General Public |
| 21 | * License along with FFmpeg; if not, write to the Free Software |
| 22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 23 | */ |
| 24 | |
| 25 | #include <binder/ProcessState.h> |
| 26 | #include <media/stagefright/MetaData.h> |
| 27 | #include <media/stagefright/MediaBufferGroup.h> |
| 28 | #include <media/stagefright/MediaDebug.h> |
| 29 | #include <media/stagefright/MediaDefs.h> |
| 30 | #include <media/stagefright/OMXClient.h> |
| 31 | #include <media/stagefright/OMXCodec.h> |
| 32 | #include <utils/List.h> |
| 33 | #include <new> |
| 34 | #include <map> |
| 35 | |
| 36 | extern "C" { |
| 37 | #include "avcodec.h" |
| 38 | #include "libavutil/imgutils.h" |
| 39 | #include "internal.h" |
| 40 | } |
| 41 | |
| 42 | #define OMX_QCOM_COLOR_FormatYVU420SemiPlanar 0x7FA30C00 |
| 43 | |
| 44 | using namespace android; |
| 45 | |
| 46 | struct Frame { |
| 47 | status_t status; |
| 48 | size_t size; |
| 49 | int64_t time; |
| 50 | int key; |
| 51 | uint8_t *buffer; |
| 52 | AVFrame *vframe; |
| 53 | }; |
| 54 | |
| 55 | struct TimeStamp { |
| 56 | int64_t pts; |
| 57 | int64_t reordered_opaque; |
| 58 | }; |
| 59 | |
| 60 | class CustomSource; |
| 61 | |
| 62 | struct StagefrightContext { |
| 63 | AVCodecContext *avctx; |
| 64 | AVBitStreamFilterContext *bsfc; |
| 65 | uint8_t* orig_extradata; |
| 66 | int orig_extradata_size; |
| 67 | sp<MediaSource> *source; |
| 68 | List<Frame*> *in_queue, *out_queue; |
| 69 | pthread_mutex_t in_mutex, out_mutex; |
| 70 | pthread_cond_t condition; |
| 71 | pthread_t decode_thread_id; |
| 72 | |
| 73 | Frame *end_frame; |
| 74 | bool source_done; |
| 75 | volatile sig_atomic_t thread_started, thread_exited, stop_decode; |
| 76 | |
| 77 | AVFrame *prev_frame; |
| 78 | std::map<int64_t, TimeStamp> *ts_map; |
| 79 | int64_t frame_index; |
| 80 | |
| 81 | uint8_t *dummy_buf; |
| 82 | int dummy_bufsize; |
| 83 | |
| 84 | OMXClient *client; |
| 85 | sp<MediaSource> *decoder; |
| 86 | const char *decoder_component; |
| 87 | }; |
| 88 | |
| 89 | class CustomSource : public MediaSource { |
| 90 | public: |
| 91 | CustomSource(AVCodecContext *avctx, sp<MetaData> meta) { |
| 92 | s = (StagefrightContext*)avctx->priv_data; |
| 93 | source_meta = meta; |
| 94 | frame_size = (avctx->width * avctx->height * 3) / 2; |
| 95 | buf_group.add_buffer(new MediaBuffer(frame_size)); |
| 96 | } |
| 97 | |
| 98 | virtual sp<MetaData> getFormat() { |
| 99 | return source_meta; |
| 100 | } |
| 101 | |
| 102 | virtual status_t start(MetaData *params) { |
| 103 | return OK; |
| 104 | } |
| 105 | |
| 106 | virtual status_t stop() { |
| 107 | return OK; |
| 108 | } |
| 109 | |
| 110 | virtual status_t read(MediaBuffer **buffer, |
| 111 | const MediaSource::ReadOptions *options) { |
| 112 | Frame *frame; |
| 113 | status_t ret; |
| 114 | |
| 115 | if (s->thread_exited) |
| 116 | return ERROR_END_OF_STREAM; |
| 117 | pthread_mutex_lock(&s->in_mutex); |
| 118 | |
| 119 | while (s->in_queue->empty()) |
| 120 | pthread_cond_wait(&s->condition, &s->in_mutex); |
| 121 | |
| 122 | frame = *s->in_queue->begin(); |
| 123 | ret = frame->status; |
| 124 | |
| 125 | if (ret == OK) { |
| 126 | ret = buf_group.acquire_buffer(buffer); |
| 127 | if (ret == OK) { |
| 128 | memcpy((*buffer)->data(), frame->buffer, frame->size); |
| 129 | (*buffer)->set_range(0, frame->size); |
| 130 | (*buffer)->meta_data()->clear(); |
| 131 | (*buffer)->meta_data()->setInt32(kKeyIsSyncFrame,frame->key); |
| 132 | (*buffer)->meta_data()->setInt64(kKeyTime, frame->time); |
| 133 | } else { |
| 134 | av_log(s->avctx, AV_LOG_ERROR, "Failed to acquire MediaBuffer\n"); |
| 135 | } |
| 136 | av_freep(&frame->buffer); |
| 137 | } |
| 138 | |
| 139 | s->in_queue->erase(s->in_queue->begin()); |
| 140 | pthread_mutex_unlock(&s->in_mutex); |
| 141 | |
| 142 | av_freep(&frame); |
| 143 | return ret; |
| 144 | } |
| 145 | |
| 146 | private: |
| 147 | MediaBufferGroup buf_group; |
| 148 | sp<MetaData> source_meta; |
| 149 | StagefrightContext *s; |
| 150 | int frame_size; |
| 151 | }; |
| 152 | |
| 153 | void* decode_thread(void *arg) |
| 154 | { |
| 155 | AVCodecContext *avctx = (AVCodecContext*)arg; |
| 156 | StagefrightContext *s = (StagefrightContext*)avctx->priv_data; |
| 157 | const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(avctx->pix_fmt); |
| 158 | Frame* frame; |
| 159 | MediaBuffer *buffer; |
| 160 | int32_t w, h; |
| 161 | int decode_done = 0; |
| 162 | int ret; |
| 163 | int src_linesize[3]; |
| 164 | const uint8_t *src_data[3]; |
| 165 | int64_t out_frame_index = 0; |
| 166 | |
| 167 | do { |
| 168 | buffer = NULL; |
| 169 | frame = (Frame*)av_mallocz(sizeof(Frame)); |
| 170 | if (!frame) { |
| 171 | frame = s->end_frame; |
| 172 | frame->status = AVERROR(ENOMEM); |
| 173 | decode_done = 1; |
| 174 | s->end_frame = NULL; |
| 175 | goto push_frame; |
| 176 | } |
| 177 | frame->status = (*s->decoder)->read(&buffer); |
| 178 | if (frame->status == OK) { |
| 179 | sp<MetaData> outFormat = (*s->decoder)->getFormat(); |
| 180 | outFormat->findInt32(kKeyWidth , &w); |
| 181 | outFormat->findInt32(kKeyHeight, &h); |
| 182 | frame->vframe = av_frame_alloc(); |
| 183 | if (!frame->vframe) { |
| 184 | frame->status = AVERROR(ENOMEM); |
| 185 | decode_done = 1; |
| 186 | buffer->release(); |
| 187 | goto push_frame; |
| 188 | } |
| 189 | ret = ff_get_buffer(avctx, frame->vframe, AV_GET_BUFFER_FLAG_REF); |
| 190 | if (ret < 0) { |
| 191 | frame->status = ret; |
| 192 | decode_done = 1; |
| 193 | buffer->release(); |
| 194 | goto push_frame; |
| 195 | } |
| 196 | |
| 197 | // The OMX.SEC decoder doesn't signal the modified width/height |
| 198 | if (s->decoder_component && !strncmp(s->decoder_component, "OMX.SEC", 7) && |
| 199 | (w & 15 || h & 15)) { |
| 200 | if (((w + 15)&~15) * ((h + 15)&~15) * 3/2 == buffer->range_length()) { |
| 201 | w = (w + 15)&~15; |
| 202 | h = (h + 15)&~15; |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | if (!avctx->width || !avctx->height || avctx->width > w || avctx->height > h) { |
| 207 | avctx->width = w; |
| 208 | avctx->height = h; |
| 209 | } |
| 210 | |
| 211 | src_linesize[0] = av_image_get_linesize(avctx->pix_fmt, w, 0); |
| 212 | src_linesize[1] = av_image_get_linesize(avctx->pix_fmt, w, 1); |
| 213 | src_linesize[2] = av_image_get_linesize(avctx->pix_fmt, w, 2); |
| 214 | |
| 215 | src_data[0] = (uint8_t*)buffer->data(); |
| 216 | src_data[1] = src_data[0] + src_linesize[0] * h; |
| 217 | src_data[2] = src_data[1] + src_linesize[1] * -(-h>>pix_desc->log2_chroma_h); |
| 218 | av_image_copy(frame->vframe->data, frame->vframe->linesize, |
| 219 | src_data, src_linesize, |
| 220 | avctx->pix_fmt, avctx->width, avctx->height); |
| 221 | |
| 222 | buffer->meta_data()->findInt64(kKeyTime, &out_frame_index); |
| 223 | if (out_frame_index && s->ts_map->count(out_frame_index) > 0) { |
| 224 | frame->vframe->pts = (*s->ts_map)[out_frame_index].pts; |
| 225 | frame->vframe->reordered_opaque = (*s->ts_map)[out_frame_index].reordered_opaque; |
| 226 | s->ts_map->erase(out_frame_index); |
| 227 | } |
| 228 | buffer->release(); |
| 229 | } else if (frame->status == INFO_FORMAT_CHANGED) { |
| 230 | if (buffer) |
| 231 | buffer->release(); |
| 232 | av_free(frame); |
| 233 | continue; |
| 234 | } else { |
| 235 | decode_done = 1; |
| 236 | } |
| 237 | push_frame: |
| 238 | while (true) { |
| 239 | pthread_mutex_lock(&s->out_mutex); |
| 240 | if (s->out_queue->size() >= 10) { |
| 241 | pthread_mutex_unlock(&s->out_mutex); |
| 242 | usleep(10000); |
| 243 | continue; |
| 244 | } |
| 245 | break; |
| 246 | } |
| 247 | s->out_queue->push_back(frame); |
| 248 | pthread_mutex_unlock(&s->out_mutex); |
| 249 | } while (!decode_done && !s->stop_decode); |
| 250 | |
| 251 | s->thread_exited = true; |
| 252 | |
| 253 | return 0; |
| 254 | } |
| 255 | |
| 256 | static av_cold int Stagefright_init(AVCodecContext *avctx) |
| 257 | { |
| 258 | StagefrightContext *s = (StagefrightContext*)avctx->priv_data; |
| 259 | sp<MetaData> meta, outFormat; |
| 260 | int32_t colorFormat = 0; |
| 261 | int ret; |
| 262 | |
| 263 | if (!avctx->extradata || !avctx->extradata_size || avctx->extradata[0] != 1) |
| 264 | return -1; |
| 265 | |
| 266 | s->avctx = avctx; |
| 267 | s->bsfc = av_bitstream_filter_init("h264_mp4toannexb"); |
| 268 | if (!s->bsfc) { |
| 269 | av_log(avctx, AV_LOG_ERROR, "Cannot open the h264_mp4toannexb BSF!\n"); |
| 270 | return -1; |
| 271 | } |
| 272 | |
| 273 | s->orig_extradata_size = avctx->extradata_size; |
| 274 | s->orig_extradata = (uint8_t*) av_mallocz(avctx->extradata_size + |
| 275 | FF_INPUT_BUFFER_PADDING_SIZE); |
| 276 | if (!s->orig_extradata) { |
| 277 | ret = AVERROR(ENOMEM); |
| 278 | goto fail; |
| 279 | } |
| 280 | memcpy(s->orig_extradata, avctx->extradata, avctx->extradata_size); |
| 281 | |
| 282 | meta = new MetaData; |
| 283 | if (!meta) { |
| 284 | ret = AVERROR(ENOMEM); |
| 285 | goto fail; |
| 286 | } |
| 287 | meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC); |
| 288 | meta->setInt32(kKeyWidth, avctx->width); |
| 289 | meta->setInt32(kKeyHeight, avctx->height); |
| 290 | meta->setData(kKeyAVCC, kTypeAVCC, avctx->extradata, avctx->extradata_size); |
| 291 | |
| 292 | android::ProcessState::self()->startThreadPool(); |
| 293 | |
| 294 | s->source = new sp<MediaSource>(); |
| 295 | *s->source = new CustomSource(avctx, meta); |
| 296 | s->in_queue = new List<Frame*>; |
| 297 | s->out_queue = new List<Frame*>; |
| 298 | s->ts_map = new std::map<int64_t, TimeStamp>; |
| 299 | s->client = new OMXClient; |
| 300 | s->end_frame = (Frame*)av_mallocz(sizeof(Frame)); |
| 301 | if (s->source == NULL || !s->in_queue || !s->out_queue || !s->client || |
| 302 | !s->ts_map || !s->end_frame) { |
| 303 | ret = AVERROR(ENOMEM); |
| 304 | goto fail; |
| 305 | } |
| 306 | |
| 307 | if (s->client->connect() != OK) { |
| 308 | av_log(avctx, AV_LOG_ERROR, "Cannot connect OMX client\n"); |
| 309 | ret = -1; |
| 310 | goto fail; |
| 311 | } |
| 312 | |
| 313 | s->decoder = new sp<MediaSource>(); |
| 314 | *s->decoder = OMXCodec::Create(s->client->interface(), meta, |
| 315 | false, *s->source, NULL, |
| 316 | OMXCodec::kClientNeedsFramebuffer); |
| 317 | if ((*s->decoder)->start() != OK) { |
| 318 | av_log(avctx, AV_LOG_ERROR, "Cannot start decoder\n"); |
| 319 | ret = -1; |
| 320 | s->client->disconnect(); |
| 321 | goto fail; |
| 322 | } |
| 323 | |
| 324 | outFormat = (*s->decoder)->getFormat(); |
| 325 | outFormat->findInt32(kKeyColorFormat, &colorFormat); |
| 326 | if (colorFormat == OMX_QCOM_COLOR_FormatYVU420SemiPlanar || |
| 327 | colorFormat == OMX_COLOR_FormatYUV420SemiPlanar) |
| 328 | avctx->pix_fmt = AV_PIX_FMT_NV21; |
| 329 | else if (colorFormat == OMX_COLOR_FormatYCbYCr) |
| 330 | avctx->pix_fmt = AV_PIX_FMT_YUYV422; |
| 331 | else if (colorFormat == OMX_COLOR_FormatCbYCrY) |
| 332 | avctx->pix_fmt = AV_PIX_FMT_UYVY422; |
| 333 | else |
| 334 | avctx->pix_fmt = AV_PIX_FMT_YUV420P; |
| 335 | |
| 336 | outFormat->findCString(kKeyDecoderComponent, &s->decoder_component); |
| 337 | if (s->decoder_component) |
| 338 | s->decoder_component = av_strdup(s->decoder_component); |
| 339 | |
| 340 | pthread_mutex_init(&s->in_mutex, NULL); |
| 341 | pthread_mutex_init(&s->out_mutex, NULL); |
| 342 | pthread_cond_init(&s->condition, NULL); |
| 343 | return 0; |
| 344 | |
| 345 | fail: |
| 346 | av_bitstream_filter_close(s->bsfc); |
| 347 | av_freep(&s->orig_extradata); |
| 348 | av_freep(&s->end_frame); |
| 349 | delete s->in_queue; |
| 350 | delete s->out_queue; |
| 351 | delete s->ts_map; |
| 352 | delete s->client; |
| 353 | return ret; |
| 354 | } |
| 355 | |
| 356 | static int Stagefright_decode_frame(AVCodecContext *avctx, void *data, |
| 357 | int *got_frame, AVPacket *avpkt) |
| 358 | { |
| 359 | StagefrightContext *s = (StagefrightContext*)avctx->priv_data; |
| 360 | Frame *frame; |
| 361 | status_t status; |
| 362 | int orig_size = avpkt->size; |
| 363 | AVPacket pkt = *avpkt; |
| 364 | AVFrame *ret_frame; |
| 365 | |
| 366 | if (!s->thread_started) { |
| 367 | pthread_create(&s->decode_thread_id, NULL, &decode_thread, avctx); |
| 368 | s->thread_started = true; |
| 369 | } |
| 370 | |
| 371 | if (avpkt && avpkt->data) { |
| 372 | av_bitstream_filter_filter(s->bsfc, avctx, NULL, &pkt.data, &pkt.size, |
| 373 | avpkt->data, avpkt->size, avpkt->flags & AV_PKT_FLAG_KEY); |
| 374 | avpkt = &pkt; |
| 375 | } |
| 376 | |
| 377 | if (!s->source_done) { |
| 378 | if(!s->dummy_buf) { |
| 379 | s->dummy_buf = (uint8_t*)av_malloc(avpkt->size); |
| 380 | if (!s->dummy_buf) |
| 381 | return AVERROR(ENOMEM); |
| 382 | s->dummy_bufsize = avpkt->size; |
| 383 | memcpy(s->dummy_buf, avpkt->data, avpkt->size); |
| 384 | } |
| 385 | |
| 386 | frame = (Frame*)av_mallocz(sizeof(Frame)); |
| 387 | if (avpkt->data) { |
| 388 | frame->status = OK; |
| 389 | frame->size = avpkt->size; |
| 390 | frame->key = avpkt->flags & AV_PKT_FLAG_KEY ? 1 : 0; |
| 391 | frame->buffer = (uint8_t*)av_malloc(avpkt->size); |
| 392 | if (!frame->buffer) { |
| 393 | av_freep(&frame); |
| 394 | return AVERROR(ENOMEM); |
| 395 | } |
| 396 | uint8_t *ptr = avpkt->data; |
| 397 | // The OMX.SEC decoder fails without this. |
| 398 | if (avpkt->size == orig_size + avctx->extradata_size) { |
| 399 | ptr += avctx->extradata_size; |
| 400 | frame->size = orig_size; |
| 401 | } |
| 402 | memcpy(frame->buffer, ptr, orig_size); |
| 403 | if (avpkt == &pkt) |
| 404 | av_free(avpkt->data); |
| 405 | |
| 406 | frame->time = ++s->frame_index; |
| 407 | (*s->ts_map)[s->frame_index].pts = avpkt->pts; |
| 408 | (*s->ts_map)[s->frame_index].reordered_opaque = avctx->reordered_opaque; |
| 409 | } else { |
| 410 | frame->status = ERROR_END_OF_STREAM; |
| 411 | s->source_done = true; |
| 412 | } |
| 413 | |
| 414 | while (true) { |
| 415 | if (s->thread_exited) { |
| 416 | s->source_done = true; |
| 417 | break; |
| 418 | } |
| 419 | pthread_mutex_lock(&s->in_mutex); |
| 420 | if (s->in_queue->size() >= 10) { |
| 421 | pthread_mutex_unlock(&s->in_mutex); |
| 422 | usleep(10000); |
| 423 | continue; |
| 424 | } |
| 425 | s->in_queue->push_back(frame); |
| 426 | pthread_cond_signal(&s->condition); |
| 427 | pthread_mutex_unlock(&s->in_mutex); |
| 428 | break; |
| 429 | } |
| 430 | } |
| 431 | while (true) { |
| 432 | pthread_mutex_lock(&s->out_mutex); |
| 433 | if (!s->out_queue->empty()) break; |
| 434 | pthread_mutex_unlock(&s->out_mutex); |
| 435 | if (s->source_done) { |
| 436 | usleep(10000); |
| 437 | continue; |
| 438 | } else { |
| 439 | return orig_size; |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | frame = *s->out_queue->begin(); |
| 444 | s->out_queue->erase(s->out_queue->begin()); |
| 445 | pthread_mutex_unlock(&s->out_mutex); |
| 446 | |
| 447 | ret_frame = frame->vframe; |
| 448 | status = frame->status; |
| 449 | av_freep(&frame); |
| 450 | |
| 451 | if (status == ERROR_END_OF_STREAM) |
| 452 | return 0; |
| 453 | if (status != OK) { |
| 454 | if (status == AVERROR(ENOMEM)) |
| 455 | return status; |
| 456 | av_log(avctx, AV_LOG_ERROR, "Decode failed: %x\n", status); |
| 457 | return -1; |
| 458 | } |
| 459 | |
| 460 | if (s->prev_frame) |
| 461 | av_frame_free(&s->prev_frame); |
| 462 | s->prev_frame = ret_frame; |
| 463 | |
| 464 | *got_frame = 1; |
| 465 | *(AVFrame*)data = *ret_frame; |
| 466 | return orig_size; |
| 467 | } |
| 468 | |
| 469 | static av_cold int Stagefright_close(AVCodecContext *avctx) |
| 470 | { |
| 471 | StagefrightContext *s = (StagefrightContext*)avctx->priv_data; |
| 472 | Frame *frame; |
| 473 | |
| 474 | if (s->thread_started) { |
| 475 | if (!s->thread_exited) { |
| 476 | s->stop_decode = 1; |
| 477 | |
| 478 | // Make sure decode_thread() doesn't get stuck |
| 479 | pthread_mutex_lock(&s->out_mutex); |
| 480 | while (!s->out_queue->empty()) { |
| 481 | frame = *s->out_queue->begin(); |
| 482 | s->out_queue->erase(s->out_queue->begin()); |
| 483 | if (frame->vframe) |
| 484 | av_frame_free(&frame->vframe); |
| 485 | av_freep(&frame); |
| 486 | } |
| 487 | pthread_mutex_unlock(&s->out_mutex); |
| 488 | |
| 489 | // Feed a dummy frame prior to signalling EOF. |
| 490 | // This is required to terminate the decoder(OMX.SEC) |
| 491 | // when only one frame is read during stream info detection. |
| 492 | if (s->dummy_buf && (frame = (Frame*)av_mallocz(sizeof(Frame)))) { |
| 493 | frame->status = OK; |
| 494 | frame->size = s->dummy_bufsize; |
| 495 | frame->key = 1; |
| 496 | frame->buffer = s->dummy_buf; |
| 497 | pthread_mutex_lock(&s->in_mutex); |
| 498 | s->in_queue->push_back(frame); |
| 499 | pthread_cond_signal(&s->condition); |
| 500 | pthread_mutex_unlock(&s->in_mutex); |
| 501 | s->dummy_buf = NULL; |
| 502 | } |
| 503 | |
| 504 | pthread_mutex_lock(&s->in_mutex); |
| 505 | s->end_frame->status = ERROR_END_OF_STREAM; |
| 506 | s->in_queue->push_back(s->end_frame); |
| 507 | pthread_cond_signal(&s->condition); |
| 508 | pthread_mutex_unlock(&s->in_mutex); |
| 509 | s->end_frame = NULL; |
| 510 | } |
| 511 | |
| 512 | pthread_join(s->decode_thread_id, NULL); |
| 513 | |
| 514 | if (s->prev_frame) |
| 515 | av_frame_free(&s->prev_frame); |
| 516 | |
| 517 | s->thread_started = false; |
| 518 | } |
| 519 | |
| 520 | while (!s->in_queue->empty()) { |
| 521 | frame = *s->in_queue->begin(); |
| 522 | s->in_queue->erase(s->in_queue->begin()); |
| 523 | if (frame->size) |
| 524 | av_freep(&frame->buffer); |
| 525 | av_freep(&frame); |
| 526 | } |
| 527 | |
| 528 | while (!s->out_queue->empty()) { |
| 529 | frame = *s->out_queue->begin(); |
| 530 | s->out_queue->erase(s->out_queue->begin()); |
| 531 | if (frame->vframe) |
| 532 | av_frame_free(&frame->vframe); |
| 533 | av_freep(&frame); |
| 534 | } |
| 535 | |
| 536 | (*s->decoder)->stop(); |
| 537 | s->client->disconnect(); |
| 538 | |
| 539 | if (s->decoder_component) |
| 540 | av_freep(&s->decoder_component); |
| 541 | av_freep(&s->dummy_buf); |
| 542 | av_freep(&s->end_frame); |
| 543 | |
| 544 | // Reset the extradata back to the original mp4 format, so that |
| 545 | // the next invocation (both when decoding and when called from |
| 546 | // av_find_stream_info) get the original mp4 format extradata. |
| 547 | av_freep(&avctx->extradata); |
| 548 | avctx->extradata = s->orig_extradata; |
| 549 | avctx->extradata_size = s->orig_extradata_size; |
| 550 | |
| 551 | delete s->in_queue; |
| 552 | delete s->out_queue; |
| 553 | delete s->ts_map; |
| 554 | delete s->client; |
| 555 | delete s->decoder; |
| 556 | delete s->source; |
| 557 | |
| 558 | pthread_mutex_destroy(&s->in_mutex); |
| 559 | pthread_mutex_destroy(&s->out_mutex); |
| 560 | pthread_cond_destroy(&s->condition); |
| 561 | av_bitstream_filter_close(s->bsfc); |
| 562 | return 0; |
| 563 | } |
| 564 | |
| 565 | AVCodec ff_libstagefright_h264_decoder = { |
| 566 | "libstagefright_h264", |
| 567 | NULL_IF_CONFIG_SMALL("libstagefright H.264"), |
| 568 | AVMEDIA_TYPE_VIDEO, |
| 569 | AV_CODEC_ID_H264, |
| 570 | CODEC_CAP_DELAY, |
| 571 | NULL, //supported_framerates |
| 572 | NULL, //pix_fmts |
| 573 | NULL, //supported_samplerates |
| 574 | NULL, //sample_fmts |
| 575 | NULL, //channel_layouts |
| 576 | 0, //max_lowres |
| 577 | NULL, //priv_class |
| 578 | NULL, //profiles |
| 579 | sizeof(StagefrightContext), |
| 580 | NULL, //next |
| 581 | NULL, //init_thread_copy |
| 582 | NULL, //update_thread_context |
| 583 | NULL, //defaults |
| 584 | NULL, //init_static_data |
| 585 | Stagefright_init, |
| 586 | NULL, //encode |
| 587 | NULL, //encode2 |
| 588 | Stagefright_decode_frame, |
| 589 | Stagefright_close, |
| 590 | }; |