2 * Copyright 2012 Michael Chen <omxcodec@gmail.com>
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #define LOG_TAG "FFmpegExtractor"
18 #include <utils/Log.h>
21 #include <limits.h> /* INT_MAX */
24 #include <utils/misc.h>
25 #include <utils/String8.h>
26 #include <cutils/properties.h>
27 #include <media/stagefright/foundation/ABitReader.h>
28 #include <media/stagefright/foundation/ABuffer.h>
29 #include <media/stagefright/foundation/ADebug.h>
30 #include <media/stagefright/foundation/AMessage.h>
31 #include <media/stagefright/foundation/hexdump.h>
32 #include <media/stagefright/DataSource.h>
33 #include <media/stagefright/MediaBuffer.h>
34 #include <media/stagefright/foundation/ADebug.h>
35 #include <media/stagefright/MediaDefs.h>
36 #include <media/stagefright/MediaErrors.h>
37 #include <media/stagefright/MediaSource.h>
38 #include <media/stagefright/MetaData.h>
39 #include <media/stagefright/Utils.h>
40 #include "include/avc_utils.h"
42 #include "utils/codec_utils.h"
43 #include "utils/ffmpeg_cmdutils.h"
45 #include "FFmpegExtractor.h"
47 #define MAX_QUEUE_SIZE (15 * 1024 * 1024)
48 #define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
50 #define EXTRACTOR_MAX_PROBE_PACKETS 200
51 #define FF_MAX_EXTRADATA_SIZE ((1 << 28) - FF_INPUT_BUFFER_PADDING_SIZE)
54 #define DEBUG_READ_ENTRY 0
55 #define DEBUG_DISABLE_VIDEO 0
56 #define DEBUG_DISABLE_AUDIO 0
57 #define WAIT_KEY_PACKET_AFTER_SEEK 1
59 #define DEBUG_EXTRADATA 0
68 struct FFmpegExtractor::Track : public MediaSource {
69 Track(FFmpegExtractor *extractor, sp<MetaData> meta,
70 AVStream *stream, PacketQueue *queue);
72 virtual status_t start(MetaData *params);
73 virtual status_t stop();
74 virtual sp<MetaData> getFormat();
76 virtual status_t read(
77 MediaBuffer **buffer, const ReadOptions *options);
83 friend struct FFmpegExtractor;
85 FFmpegExtractor *mExtractor;
88 enum AVMediaType mMediaType;
93 size_t mNALLengthSize;
99 int64_t mFirstKeyPktTimestamp;
101 DISALLOW_EVIL_CONSTRUCTORS(Track);
104 ////////////////////////////////////////////////////////////////////////////////
106 FFmpegExtractor::FFmpegExtractor(const sp<DataSource> &source, const sp<AMessage> &meta)
107 : mDataSource(source),
110 mFFmpegInited(false),
112 mReaderThreadStarted(false) {
113 ALOGV("FFmpegExtractor::FFmpegExtractor");
115 fetchStuffsFromSniffedMeta(meta);
117 int err = initStreams();
119 ALOGE("failed to init ffmpeg");
123 // start reader here, as we want to extract extradata from bitstream if no extradata
126 while(mProbePkts <= EXTRACTOR_MAX_PROBE_PACKETS && !mEOF &&
127 (mFormatCtx->pb ? !mFormatCtx->pb->error : 1) &&
128 (mDefersToCreateVideoTrack || mDefersToCreateAudioTrack)) {
129 // FIXME, i am so lazy! Should use pthread_cond_wait to wait conditions
133 ALOGV("mProbePkts: %d, mEOF: %d, pb->error(if has): %d, mDefersToCreateVideoTrack: %d, mDefersToCreateAudioTrack: %d",
134 mProbePkts, mEOF, mFormatCtx->pb ? mFormatCtx->pb->error : 0, mDefersToCreateVideoTrack, mDefersToCreateAudioTrack);
139 FFmpegExtractor::~FFmpegExtractor() {
140 ALOGV("FFmpegExtractor::~FFmpegExtractor");
142 // stop reader here if no track!
148 size_t FFmpegExtractor::countTracks() {
149 return mInitCheck == OK ? mTracks.size() : 0;
152 sp<MediaSource> FFmpegExtractor::getTrack(size_t index) {
153 ALOGV("FFmpegExtractor::getTrack[%d]", index);
155 if (mInitCheck != OK) {
159 if (index >= mTracks.size()) {
163 return mTracks.valueAt(index);
166 sp<MetaData> FFmpegExtractor::getTrackMetaData(size_t index, uint32_t flags) {
167 ALOGV("FFmpegExtractor::getTrackMetaData[%d]", index);
169 if (mInitCheck != OK) {
173 if (index >= mTracks.size()) {
177 return mTracks.valueAt(index)->getFormat();
180 sp<MetaData> FFmpegExtractor::getMetaData() {
181 ALOGV("FFmpegExtractor::getMetaData");
183 if (mInitCheck != OK) {
190 uint32_t FFmpegExtractor::flags() const {
191 ALOGV("FFmpegExtractor::flags");
193 if (mInitCheck != OK) {
197 uint32_t flags = CAN_PAUSE;
199 if (mFormatCtx->duration != AV_NOPTS_VALUE) {
200 flags |= CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_SEEK;
206 int FFmpegExtractor::check_extradata(AVCodecContext *avctx)
208 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
209 const char *name = NULL;
210 bool *defersToCreateTrack = NULL;
211 AVBitStreamFilterContext **bsfc = NULL;
214 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
216 defersToCreateTrack = &mDefersToCreateVideoTrack;
217 } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO){
219 defersToCreateTrack = &mDefersToCreateAudioTrack;
222 codec_id = avctx->codec_id;
225 if (codec_id != AV_CODEC_ID_H264
226 && codec_id != AV_CODEC_ID_MPEG4
227 && codec_id != AV_CODEC_ID_MPEG1VIDEO
228 && codec_id != AV_CODEC_ID_MPEG2VIDEO
229 && codec_id != AV_CODEC_ID_AAC) {
233 // is extradata compatible with android?
234 if (codec_id != AV_CODEC_ID_AAC) {
235 int is_compatible = is_extradata_compatible_with_android(avctx);
236 if (!is_compatible) {
237 ALOGI("%s extradata is not compatible with android, should to extract it from bitstream",
238 av_get_media_type_string(avctx->codec_type));
239 *defersToCreateTrack = true;
240 *bsfc = NULL; // H264 don't need bsfc, only AAC?
246 if (codec_id == AV_CODEC_ID_AAC) {
247 name = "aac_adtstoasc";
250 if (avctx->extradata_size <= 0) {
251 ALOGI("No %s extradata found, should to extract it from bitstream",
252 av_get_media_type_string(avctx->codec_type));
253 *defersToCreateTrack = true;
254 //CHECK(name != NULL);
255 if (!*bsfc && name) {
256 *bsfc = av_bitstream_filter_init(name);
258 ALOGE("Cannot open the %s BSF!", name);
259 *defersToCreateTrack = false;
262 ALOGV("open the %s bsf", name);
272 void FFmpegExtractor::printTime(int64_t time)
274 int hours, mins, secs, us;
276 if (time == AV_NOPTS_VALUE)
279 secs = time / AV_TIME_BASE;
280 us = time % AV_TIME_BASE;
285 ALOGI("the time is %02d:%02d:%02d.%02d",
286 hours, mins, secs, (100 * us) / AV_TIME_BASE);
289 bool FFmpegExtractor::is_codec_supported(enum AVCodecID codec_id)
291 bool supported = false;
294 case AV_CODEC_ID_H264:
295 case AV_CODEC_ID_MPEG4:
296 case AV_CODEC_ID_H263:
297 case AV_CODEC_ID_H263P:
298 case AV_CODEC_ID_H263I:
299 case AV_CODEC_ID_AAC:
300 case AV_CODEC_ID_AC3:
301 case AV_CODEC_ID_MP2:
302 case AV_CODEC_ID_MP3:
303 case AV_CODEC_ID_MPEG1VIDEO:
304 case AV_CODEC_ID_MPEG2VIDEO:
305 case AV_CODEC_ID_WMV1:
306 case AV_CODEC_ID_WMV2:
307 case AV_CODEC_ID_WMV3:
308 case AV_CODEC_ID_VC1:
309 case AV_CODEC_ID_WMAV1:
310 case AV_CODEC_ID_WMAV2:
311 case AV_CODEC_ID_WMAPRO:
312 case AV_CODEC_ID_WMALOSSLESS:
313 case AV_CODEC_ID_RV20:
314 case AV_CODEC_ID_RV30:
315 case AV_CODEC_ID_RV40:
316 case AV_CODEC_ID_COOK:
317 case AV_CODEC_ID_APE:
318 case AV_CODEC_ID_DTS:
319 case AV_CODEC_ID_FLAC:
320 case AV_CODEC_ID_FLV1:
321 case AV_CODEC_ID_VORBIS:
322 case AV_CODEC_ID_HEVC:
327 ALOGD("unsuppoted codec(%s), but give it a chance",
328 avcodec_get_name(codec_id));
329 //Won't promise that the following codec id can be supported.
330 //Just give these codecs a chance.
338 sp<MetaData> FFmpegExtractor::setVideoFormat(AVStream *stream)
340 AVCodecContext *avctx = NULL;
341 sp<MetaData> meta = NULL;
343 avctx = stream->codec;
344 CHECK_EQ(avctx->codec_type, AVMEDIA_TYPE_VIDEO);
346 switch(avctx->codec_id) {
347 case AV_CODEC_ID_H264:
348 if (avctx->extradata[0] == 1) {
349 meta = setAVCFormat(avctx);
351 meta = setH264Format(avctx);
354 case AV_CODEC_ID_MPEG4:
355 meta = setMPEG4Format(avctx);
357 case AV_CODEC_ID_H263:
358 case AV_CODEC_ID_H263P:
359 case AV_CODEC_ID_H263I:
360 meta = setH263Format(avctx);
362 case AV_CODEC_ID_MPEG1VIDEO:
363 case AV_CODEC_ID_MPEG2VIDEO:
364 meta = setMPEG2VIDEOFormat(avctx);
366 case AV_CODEC_ID_VC1:
367 meta = setVC1Format(avctx);
369 case AV_CODEC_ID_WMV1:
370 meta = setWMV1Format(avctx);
372 case AV_CODEC_ID_WMV2:
373 meta = setWMV2Format(avctx);
375 case AV_CODEC_ID_WMV3:
376 meta = setWMV3Format(avctx);
378 case AV_CODEC_ID_RV20:
379 meta = setRV20Format(avctx);
381 case AV_CODEC_ID_RV30:
382 meta = setRV30Format(avctx);
384 case AV_CODEC_ID_RV40:
385 meta = setRV40Format(avctx);
387 case AV_CODEC_ID_FLV1:
388 meta = setFLV1Format(avctx);
390 case AV_CODEC_ID_HEVC:
391 meta = setHEVCFormat(avctx);
394 ALOGD("unsuppoted video codec(id:%d, name:%s), but give it a chance",
395 avctx->codec_id, avcodec_get_name(avctx->codec_id));
397 meta->setInt32(kKeyCodecId, avctx->codec_id);
398 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_FFMPEG);
399 if (avctx->extradata_size > 0) {
400 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
402 //CHECK(!"Should not be here. Unsupported codec.");
407 ALOGI("width: %d, height: %d, bit_rate: %d",
408 avctx->width, avctx->height, avctx->bit_rate);
410 meta->setInt32(kKeyWidth, avctx->width);
411 meta->setInt32(kKeyHeight, avctx->height);
412 if (avctx->bit_rate > 0) {
413 meta->setInt32(kKeyBitRate, avctx->bit_rate);
415 setDurationMetaData(stream, meta);
421 sp<MetaData> FFmpegExtractor::setAudioFormat(AVStream *stream)
423 AVCodecContext *avctx = NULL;
424 sp<MetaData> meta = NULL;
426 avctx = stream->codec;
427 CHECK_EQ(avctx->codec_type, AVMEDIA_TYPE_AUDIO);
429 switch(avctx->codec_id) {
430 case AV_CODEC_ID_MP2:
431 meta = setMP2Format(avctx);
433 case AV_CODEC_ID_MP3:
434 meta = setMP3Format(avctx);
436 case AV_CODEC_ID_VORBIS:
437 meta = setVORBISFormat(avctx);
439 case AV_CODEC_ID_AC3:
440 meta = setAC3Format(avctx);
442 case AV_CODEC_ID_AAC:
443 meta = setAACFormat(avctx);
445 case AV_CODEC_ID_WMAV1:
446 meta = setWMAV1Format(avctx);
448 case AV_CODEC_ID_WMAV2:
449 meta = setWMAV2Format(avctx);
451 case AV_CODEC_ID_WMAPRO:
452 meta = setWMAProFormat(avctx);
454 case AV_CODEC_ID_WMALOSSLESS:
455 meta = setWMALossLessFormat(avctx);
457 case AV_CODEC_ID_COOK:
458 meta = setRAFormat(avctx);
460 case AV_CODEC_ID_APE:
461 meta = setAPEFormat(avctx);
463 case AV_CODEC_ID_DTS:
464 meta = setDTSFormat(avctx);
466 case AV_CODEC_ID_FLAC:
467 meta = setFLACFormat(avctx);
470 ALOGD("unsuppoted audio codec(id:%d, name:%s), but give it a chance",
471 avctx->codec_id, avcodec_get_name(avctx->codec_id));
473 meta->setInt32(kKeyCodecId, avctx->codec_id);
474 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_FFMPEG);
475 if (avctx->extradata_size > 0) {
476 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
478 //CHECK(!"Should not be here. Unsupported codec.");
483 ALOGI("bit_rate: %d, sample_rate: %d, channels: %d, "
484 "bits_per_coded_sample: %d, block_align:%d",
485 avctx->bit_rate, avctx->sample_rate, avctx->channels,
486 avctx->bits_per_coded_sample, avctx->block_align);
488 meta->setInt32(kKeyChannelCount, avctx->channels);
489 meta->setInt32(kKeyBitRate, avctx->bit_rate);
490 meta->setInt32(kKeyBitspersample, avctx->bits_per_coded_sample);
491 meta->setInt32(kKeySampleRate, avctx->sample_rate);
492 meta->setInt32(kKeyBlockAlign, avctx->block_align);
493 meta->setInt32(kKeySampleFormat, avctx->sample_fmt);
494 setDurationMetaData(stream, meta);
500 void FFmpegExtractor::setDurationMetaData(AVStream *stream, sp<MetaData> &meta)
502 AVCodecContext *avctx = stream->codec;
504 if (stream->duration != AV_NOPTS_VALUE) {
505 int64_t duration = stream->duration * av_q2d(stream->time_base) * 1000000;
507 const char *s = av_get_media_type_string(avctx->codec_type);
508 if (stream->start_time != AV_NOPTS_VALUE) {
509 ALOGV("%s startTime:%lld", s, stream->start_time);
511 ALOGV("%s startTime:N/A", s);
513 meta->setInt64(kKeyDuration, duration);
515 // default when no stream duration
516 meta->setInt64(kKeyDuration, mFormatCtx->duration);
520 int FFmpegExtractor::stream_component_open(int stream_index)
522 AVCodecContext *avctx = NULL;
523 sp<MetaData> meta = NULL;
524 bool supported = false;
526 const void *data = NULL;
530 ALOGI("stream_index: %d", stream_index);
531 if (stream_index < 0 || stream_index >= (int)mFormatCtx->nb_streams)
533 avctx = mFormatCtx->streams[stream_index]->codec;
535 supported = is_codec_supported(avctx->codec_id);
538 ALOGE("unsupport the codec(%s)", avcodec_get_name(avctx->codec_id));
541 ALOGI("support the codec(%s)", avcodec_get_name(avctx->codec_id));
544 ssize_t index = mTracks.indexOfKey(stream_index);
547 ALOGE("this track already exists");
551 mFormatCtx->streams[stream_index]->discard = AVDISCARD_DEFAULT;
554 av_get_codec_tag_string(tagbuf, sizeof(tagbuf), avctx->codec_tag);
555 ALOGV("Tag %s/0x%08x with codec(%s)\n", tagbuf, avctx->codec_tag, avcodec_get_name(avctx->codec_id));
557 switch (avctx->codec_type) {
558 case AVMEDIA_TYPE_VIDEO:
559 if (mVideoStreamIdx == -1)
560 mVideoStreamIdx = stream_index;
561 if (mVideoStream == NULL)
562 mVideoStream = mFormatCtx->streams[stream_index];
564 ret = check_extradata(avctx);
567 // disable the stream
568 mVideoStreamIdx = -1;
570 packet_queue_end(&mVideoQ);
571 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
576 if (avctx->extradata) {
577 ALOGV("video stream extradata:");
578 hexdump(avctx->extradata, avctx->extradata_size);
580 ALOGV("video stream no extradata, but we can ignore it.");
583 meta = setVideoFormat(mVideoStream);
585 ALOGE("setVideoFormat failed");
589 ALOGV("create a video track");
591 stream_index, new Track(this, meta, mVideoStream, &mVideoQ));
593 mDefersToCreateVideoTrack = false;
596 case AVMEDIA_TYPE_AUDIO:
597 if (mAudioStreamIdx == -1)
598 mAudioStreamIdx = stream_index;
599 if (mAudioStream == NULL)
600 mAudioStream = mFormatCtx->streams[stream_index];
602 ret = check_extradata(avctx);
605 // disable the stream
606 mAudioStreamIdx = -1;
608 packet_queue_end(&mAudioQ);
609 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
614 if (avctx->extradata) {
615 ALOGV("audio stream extradata(%d):", avctx->extradata_size);
616 hexdump(avctx->extradata, avctx->extradata_size);
618 ALOGV("audio stream no extradata, but we can ignore it.");
621 meta = setAudioFormat(mAudioStream);
623 ALOGE("setAudioFormat failed");
627 ALOGV("create a audio track");
629 stream_index, new Track(this, meta, mAudioStream, &mAudioQ));
631 mDefersToCreateAudioTrack = false;
634 case AVMEDIA_TYPE_SUBTITLE:
636 CHECK(!"Should not be here. Unsupported media type.");
639 CHECK(!"Should not be here. Unsupported media type.");
645 void FFmpegExtractor::stream_component_close(int stream_index)
647 AVCodecContext *avctx;
649 if (stream_index < 0 || stream_index >= (int)mFormatCtx->nb_streams)
651 avctx = mFormatCtx->streams[stream_index]->codec;
653 switch (avctx->codec_type) {
654 case AVMEDIA_TYPE_VIDEO:
655 ALOGV("packet_queue_abort videoq");
656 packet_queue_abort(&mVideoQ);
657 /* wait until the end */
658 while (!mAbortRequest && !mVideoEOSReceived) {
659 ALOGV("wait for video received");
662 ALOGV("packet_queue_end videoq");
663 packet_queue_end(&mVideoQ);
665 case AVMEDIA_TYPE_AUDIO:
666 ALOGV("packet_queue_abort audioq");
667 packet_queue_abort(&mAudioQ);
668 while (!mAbortRequest && !mAudioEOSReceived) {
669 ALOGV("wait for audio received");
672 ALOGV("packet_queue_end audioq");
673 packet_queue_end(&mAudioQ);
675 case AVMEDIA_TYPE_SUBTITLE:
681 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
682 switch (avctx->codec_type) {
683 case AVMEDIA_TYPE_VIDEO:
685 mVideoStreamIdx = -1;
687 av_bitstream_filter_close(mVideoBsfc);
691 case AVMEDIA_TYPE_AUDIO:
693 mAudioStreamIdx = -1;
695 av_bitstream_filter_close(mAudioBsfc);
699 case AVMEDIA_TYPE_SUBTITLE:
706 void FFmpegExtractor::reachedEOS(enum AVMediaType media_type)
708 Mutex::Autolock autoLock(mLock);
710 if (media_type == AVMEDIA_TYPE_VIDEO) {
711 mVideoEOSReceived = true;
712 } else if (media_type == AVMEDIA_TYPE_AUDIO) {
713 mAudioEOSReceived = true;
717 /* seek in the stream */
718 int FFmpegExtractor::stream_seek(int64_t pos, enum AVMediaType media_type)
720 Mutex::Autolock autoLock(mLock);
722 if (mVideoStreamIdx >= 0
723 && mAudioStreamIdx >= 0
724 && media_type == AVMEDIA_TYPE_AUDIO
725 && !mVideoEOSReceived) {
730 if (mAudioStreamIdx >= 0)
731 packet_queue_flush(&mAudioQ);
732 if (mVideoStreamIdx >= 0)
733 packet_queue_flush(&mVideoQ);
736 mSeekFlags &= ~AVSEEK_FLAG_BYTE;
743 int FFmpegExtractor::decode_interrupt_cb(void *ctx)
745 FFmpegExtractor *extrator = static_cast<FFmpegExtractor *>(ctx);
746 return extrator->mAbortRequest;
749 void FFmpegExtractor::fetchStuffsFromSniffedMeta(const sp<AMessage> &meta)
755 CHECK(meta->findString("extended-extractor-url", &url));
756 CHECK(url.c_str() != NULL);
757 CHECK(url.size() < PATH_MAX);
759 memcpy(mFilename, url.c_str(), url.size());
760 mFilename[url.size()] = '\0';
763 CHECK(meta->findString("extended-extractor-mime", &mime));
764 CHECK(mime.c_str() != NULL);
765 mMeta->setCString(kKeyMIMEType, mime.c_str());
768 void FFmpegExtractor::setFFmpegDefaultOpts()
771 #if DEBUG_DISABLE_VIDEO
776 #if DEBUG_DISABLE_AUDIO
782 mSeekByBytes = 0; /* seek by bytes 0=off 1=on -1=auto" */
783 mDuration = AV_NOPTS_VALUE;
784 mSeekPos = AV_NOPTS_VALUE;
788 mVideoStreamIdx = -1;
789 mAudioStreamIdx = -1;
792 mDefersToCreateVideoTrack = false;
793 mDefersToCreateAudioTrack = false;
806 int FFmpegExtractor::initStreams()
810 status_t status = UNKNOWN_ERROR;
812 int ret = 0, audio_ret = -1, video_ret = -1;
813 int pkt_in_play_range = 0;
814 AVDictionaryEntry *t = NULL;
815 AVDictionary **opts = NULL;
816 int orig_nb_streams = 0;
817 int st_index[AVMEDIA_TYPE_NB] = {0};
818 int wanted_stream[AVMEDIA_TYPE_NB] = {0};
819 st_index[AVMEDIA_TYPE_AUDIO] = -1;
820 st_index[AVMEDIA_TYPE_VIDEO] = -1;
821 wanted_stream[AVMEDIA_TYPE_AUDIO] = -1;
822 wanted_stream[AVMEDIA_TYPE_VIDEO] = -1;
823 const char *mime = NULL;
825 setFFmpegDefaultOpts();
827 status = initFFmpeg();
832 mFFmpegInited = true;
834 mFormatCtx = avformat_alloc_context();
837 ALOGE("oom for alloc avformat context");
841 mFormatCtx->interrupt_callback.callback = decode_interrupt_cb;
842 mFormatCtx->interrupt_callback.opaque = this;
843 ALOGV("mFilename: %s", mFilename);
844 err = avformat_open_input(&mFormatCtx, mFilename, NULL, &format_opts);
846 ALOGE("%s: avformat_open_input failed, err:%s", mFilename, av_err2str(err));
851 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
852 ALOGE("Option %s not found.\n", t->key);
853 //ret = AVERROR_OPTION_NOT_FOUND;
859 mFormatCtx->flags |= AVFMT_FLAG_GENPTS;
861 opts = setup_find_stream_info_opts(mFormatCtx, codec_opts);
862 orig_nb_streams = mFormatCtx->nb_streams;
864 err = avformat_find_stream_info(mFormatCtx, opts);
866 ALOGE("%s: could not find stream info, err:%s", mFilename, av_err2str(err));
870 for (i = 0; i < orig_nb_streams; i++)
871 av_dict_free(&opts[i]);
875 mFormatCtx->pb->eof_reached = 0; // FIXME hack, ffplay maybe should not use url_feof() to test for the end
877 if (mSeekByBytes < 0)
878 mSeekByBytes = !!(mFormatCtx->iformat->flags & AVFMT_TS_DISCONT);
880 for (i = 0; i < (int)mFormatCtx->nb_streams; i++)
881 mFormatCtx->streams[i]->discard = AVDISCARD_ALL;
883 st_index[AVMEDIA_TYPE_VIDEO] =
884 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_VIDEO,
885 wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
887 st_index[AVMEDIA_TYPE_AUDIO] =
888 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_AUDIO,
889 wanted_stream[AVMEDIA_TYPE_AUDIO],
890 st_index[AVMEDIA_TYPE_VIDEO],
893 av_dump_format(mFormatCtx, 0, mFilename, 0);
896 if (mFormatCtx->duration != AV_NOPTS_VALUE &&
897 mFormatCtx->start_time != AV_NOPTS_VALUE) {
898 int hours, mins, secs, us;
900 ALOGV("file startTime: %lld", mFormatCtx->start_time);
902 mDuration = mFormatCtx->duration;
904 secs = mDuration / AV_TIME_BASE;
905 us = mDuration % AV_TIME_BASE;
910 ALOGI("the duration is %02d:%02d:%02d.%02d",
911 hours, mins, secs, (100 * us) / AV_TIME_BASE);
914 packet_queue_init(&mVideoQ);
915 packet_queue_init(&mAudioQ);
917 if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
918 audio_ret = stream_component_open(st_index[AVMEDIA_TYPE_AUDIO]);
921 if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
922 video_ret = stream_component_open(st_index[AVMEDIA_TYPE_VIDEO]);
925 if ( audio_ret < 0 && video_ret < 0) {
926 ALOGE("%s: could not open codecs\n", mFilename);
937 void FFmpegExtractor::deInitStreams()
939 packet_queue_destroy(&mVideoQ);
940 packet_queue_destroy(&mAudioQ);
943 avformat_close_input(&mFormatCtx);
951 status_t FFmpegExtractor::startReaderThread() {
952 ALOGV("Starting reader thread");
953 Mutex::Autolock autoLock(mLock);
955 if (mReaderThreadStarted)
959 pthread_attr_init(&attr);
960 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
961 pthread_create(&mReaderThread, &attr, ReaderWrapper, this);
962 pthread_attr_destroy(&attr);
963 mReaderThreadStarted = true;
964 ALOGD("Reader thread started");
969 void FFmpegExtractor::stopReaderThread() {
970 ALOGV("Stopping reader thread");
971 Mutex::Autolock autoLock(mLock);
973 if (!mReaderThreadStarted) {
974 ALOGD("Reader thread have been stopped");
981 pthread_join(mReaderThread, &dummy);
982 mReaderThreadStarted = false;
983 ALOGD("Reader thread stopped");
987 void *FFmpegExtractor::ReaderWrapper(void *me) {
988 ((FFmpegExtractor *)me)->readerEntry();
993 void FFmpegExtractor::readerEntry() {
995 AVPacket pkt1, *pkt = &pkt1;
997 int pkt_in_play_range = 0;
999 ALOGV("FFmpegExtractor enter thread(readerEntry)");
1001 mVideoEOSReceived = false;
1002 mAudioEOSReceived = false;
1008 if (mPaused != mLastPaused) {
1009 mLastPaused = mPaused;
1011 mReadPauseReturn = av_read_pause(mFormatCtx);
1013 av_read_play(mFormatCtx);
1015 #if CONFIG_RTSP_DEMUXER || CONFIG_MMSH_PROTOCOL
1017 (!strcmp(mFormatCtx->iformat->name, "rtsp") ||
1018 (mFormatCtx->pb && !strncmp(mFilename, "mmsh:", 5)))) {
1019 /* wait 10 ms to avoid trying to get another packet */
1027 ALOGV("readerEntry, mSeekReq: %d", mSeekReq);
1028 ret = avformat_seek_file(mFormatCtx, -1, INT64_MIN, mSeekPos, INT64_MAX, mSeekFlags);
1030 ALOGE("%s: error while seeking", mFormatCtx->filename);
1032 if (mAudioStreamIdx >= 0) {
1033 packet_queue_flush(&mAudioQ);
1034 packet_queue_put(&mAudioQ, &mAudioQ.flush_pkt);
1036 if (mVideoStreamIdx >= 0) {
1037 packet_queue_flush(&mVideoQ);
1038 packet_queue_put(&mVideoQ, &mVideoQ.flush_pkt);
1045 /* if the queue are full, no need to read more */
1046 if ( mAudioQ.size + mVideoQ.size > MAX_QUEUE_SIZE
1047 || ( (mAudioQ .size > MIN_AUDIOQ_SIZE || mAudioStreamIdx < 0)
1048 && (mVideoQ .nb_packets > MIN_FRAMES || mVideoStreamIdx < 0))) {
1049 #if DEBUG_READ_ENTRY
1050 ALOGV("readerEntry, full(wtf!!!), mVideoQ.size: %d, mVideoQ.nb_packets: %d, mAudioQ.size: %d, mAudioQ.nb_packets: %d",
1051 mVideoQ.size, mVideoQ.nb_packets, mAudioQ.size, mAudioQ.nb_packets);
1059 if (mVideoStreamIdx >= 0) {
1060 packet_queue_put_nullpacket(&mVideoQ, mVideoStreamIdx);
1062 if (mAudioStreamIdx >= 0) {
1063 packet_queue_put_nullpacket(&mAudioQ, mAudioStreamIdx);
1066 #if DEBUG_READ_ENTRY
1067 ALOGV("readerEntry, eof = 1, mVideoQ.size: %d, mVideoQ.nb_packets: %d, mAudioQ.size: %d, mAudioQ.nb_packets: %d",
1068 mVideoQ.size, mVideoQ.nb_packets, mAudioQ.size, mAudioQ.nb_packets);
1070 if (mAudioQ.size + mVideoQ.size == 0) {
1080 ret = av_read_frame(mFormatCtx, pkt);
1083 if (ret == AVERROR_EOF || url_feof(mFormatCtx->pb))
1084 if (ret == AVERROR_EOF) {
1085 //ALOGV("ret == AVERROR_EOF");
1087 if (url_feof(mFormatCtx->pb)) {
1088 //ALOGV("url_feof(mFormatCtx->pb)");
1093 if (mFormatCtx->pb && mFormatCtx->pb->error) {
1094 ALOGE("mFormatCtx->pb->error: %d", mFormatCtx->pb->error);
1101 if (pkt->stream_index == mVideoStreamIdx) {
1102 if (mDefersToCreateVideoTrack) {
1103 AVCodecContext *avctx = mFormatCtx->streams[mVideoStreamIdx]->codec;
1105 int i = parser_split(avctx, pkt->data, pkt->size);
1106 if (i > 0 && i < FF_MAX_EXTRADATA_SIZE) {
1107 if (avctx->extradata)
1108 av_freep(&avctx->extradata);
1109 avctx->extradata_size= i;
1110 avctx->extradata = (uint8_t *)av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
1111 if (!avctx->extradata) {
1112 //return AVERROR(ENOMEM);
1113 ret = AVERROR(ENOMEM);
1116 // sps + pps(there may be sei in it)
1117 memcpy(avctx->extradata, pkt->data, avctx->extradata_size);
1118 memset(avctx->extradata + i, 0, FF_INPUT_BUFFER_PADDING_SIZE);
1120 av_free_packet(pkt);
1124 stream_component_open(mVideoStreamIdx);
1125 if (!mDefersToCreateVideoTrack)
1126 ALOGI("probe packet counter: %d when create video track ok", mProbePkts);
1127 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1128 ALOGI("probe packet counter to max: %d, create video track: %d",
1129 mProbePkts, !mDefersToCreateVideoTrack);
1131 } else if (pkt->stream_index == mAudioStreamIdx) {
1135 AVCodecContext *avctx = mFormatCtx->streams[mAudioStreamIdx]->codec;
1136 if (mAudioBsfc && pkt && pkt->data) {
1137 ret = av_bitstream_filter_filter(mAudioBsfc, avctx, NULL, &outbuf, &outbuf_size,
1138 pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY);
1140 if (ret < 0 ||!outbuf_size) {
1141 av_free_packet(pkt);
1144 if (outbuf && outbuf != pkt->data) {
1145 memmove(pkt->data, outbuf, outbuf_size);
1146 pkt->size = outbuf_size;
1149 if (mDefersToCreateAudioTrack) {
1150 if (avctx->extradata_size <= 0) {
1151 av_free_packet(pkt);
1154 stream_component_open(mAudioStreamIdx);
1155 if (!mDefersToCreateAudioTrack)
1156 ALOGI("probe packet counter: %d when create audio track ok", mProbePkts);
1157 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1158 ALOGI("probe packet counter to max: %d, create audio track: %d",
1159 mProbePkts, !mDefersToCreateAudioTrack);
1163 if (pkt->stream_index == mAudioStreamIdx) {
1164 packet_queue_put(&mAudioQ, pkt);
1165 } else if (pkt->stream_index == mVideoStreamIdx) {
1166 packet_queue_put(&mVideoQ, pkt);
1168 av_free_packet(pkt);
1171 /* wait until the end */
1172 while (!mAbortRequest) {
1178 ALOGI("reader thread goto end...");
1180 /* close each stream */
1181 if (mAudioStreamIdx >= 0)
1182 stream_component_close(mAudioStreamIdx);
1183 if (mVideoStreamIdx >= 0)
1184 stream_component_close(mVideoStreamIdx);
1186 avformat_close_input(&mFormatCtx);
1189 ALOGV("FFmpegExtractor exit thread(readerEntry)");
1192 ////////////////////////////////////////////////////////////////////////////////
1194 FFmpegExtractor::Track::Track(
1195 FFmpegExtractor *extractor, sp<MetaData> meta,
1196 AVStream *stream, PacketQueue *queue)
1197 : mExtractor(extractor),
1205 /* H.264 Video Types */
1207 AVCodecContext *avctx = stream->codec;
1209 if (avctx->codec_id == AV_CODEC_ID_H264
1210 && avctx->extradata_size > 0
1211 && avctx->extradata[0] == 1) {
1217 CHECK(meta->findData(kKeyAVCC, &type, &data, &size));
1219 const uint8_t *ptr = (const uint8_t *)data;
1222 CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1
1224 // The number of bytes used to encode the length of a NAL unit.
1225 mNALLengthSize = 1 + (ptr[4] & 3);
1227 ALOGV("the stream is AVC, the length of a NAL unit: %d", mNALLengthSize);
1233 mMediaType = mStream->codec->codec_type;
1234 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1237 FFmpegExtractor::Track::~Track() {
1238 ALOGV("FFmpegExtractor::Track::~Track %s",
1239 av_get_media_type_string(mMediaType));
1244 status_t FFmpegExtractor::Track::start(MetaData *params) {
1245 ALOGV("FFmpegExtractor::Track::start %s",
1246 av_get_media_type_string(mMediaType));
1247 Mutex::Autolock autoLock(mLock);
1248 //mExtractor->startReaderThread();
1252 status_t FFmpegExtractor::Track::stop() {
1253 ALOGV("FFmpegExtractor::Track::stop %s",
1254 av_get_media_type_string(mMediaType));
1255 Mutex::Autolock autoLock(mLock);
1256 //mExtractor->stopReaderThread();
1260 sp<MetaData> FFmpegExtractor::Track::getFormat() {
1261 Mutex::Autolock autoLock(mLock);
1266 status_t FFmpegExtractor::Track::read(
1267 MediaBuffer **buffer, const ReadOptions *options) {
1270 Mutex::Autolock autoLock(mLock);
1273 bool seeking = false;
1274 bool waitKeyPkt = false;
1275 ReadOptions::SeekMode mode;
1276 int64_t pktTS = AV_NOPTS_VALUE;
1277 int64_t seekTimeUs = AV_NOPTS_VALUE;
1278 int64_t timeUs = AV_NOPTS_VALUE;
1280 status_t status = OK;
1282 if (options && options->getSeekTo(&seekTimeUs, &mode)) {
1283 ALOGV("~~~%s seekTimeUs: %lld, mode: %d", av_get_media_type_string(mMediaType), seekTimeUs, mode);
1284 /* add the stream start time */
1285 if (mStream->start_time != AV_NOPTS_VALUE)
1286 seekTimeUs += mStream->start_time * av_q2d(mStream->time_base) * 1000000;
1287 ALOGV("~~~%s seekTimeUs[+startTime]: %lld, mode: %d", av_get_media_type_string(mMediaType), seekTimeUs, mode);
1289 if (mExtractor->stream_seek(seekTimeUs, mMediaType) == SEEK)
1294 if (packet_queue_get(mQueue, &pkt, 1) < 0) {
1295 mExtractor->reachedEOS(mMediaType);
1296 return ERROR_END_OF_STREAM;
1300 if (pkt.data != mQueue->flush_pkt.data) {
1301 av_free_packet(&pkt);
1305 #if WAIT_KEY_PACKET_AFTER_SEEK
1311 if (pkt.data == mQueue->flush_pkt.data) {
1312 ALOGV("read %s flush pkt", av_get_media_type_string(mMediaType));
1313 av_free_packet(&pkt);
1314 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1316 } else if (pkt.data == NULL && pkt.size == 0) {
1317 ALOGD("read %s eos pkt", av_get_media_type_string(mMediaType));
1318 av_free_packet(&pkt);
1319 mExtractor->reachedEOS(mMediaType);
1320 return ERROR_END_OF_STREAM;
1323 key = pkt.flags & AV_PKT_FLAG_KEY ? 1 : 0;
1324 pktTS = pkt.pts; //FIXME AV_NOPTS_VALUE??
1327 if (pkt.pts == AV_NOPTS_VALUE)
1330 //FIXME, drop, omxcodec requires a positive timestamp! e.g. vorbis
1331 if (pktTS != AV_NOPTS_VALUE && pktTS < 0) {
1332 ALOGW("drop the packet with negative timestamp(pts:%lld)", pktTS);
1333 av_free_packet(&pkt);
1339 ALOGV("drop the non-key packet");
1340 av_free_packet(&pkt);
1343 ALOGV("~~~~~~ got the key packet");
1348 if (pktTS != AV_NOPTS_VALUE && mFirstKeyPktTimestamp == AV_NOPTS_VALUE) {
1349 // update the first key timestamp
1350 mFirstKeyPktTimestamp = pktTS;
1353 if (pktTS != AV_NOPTS_VALUE && pktTS < mFirstKeyPktTimestamp) {
1354 ALOGV("drop the packet with the backward timestamp, maybe they are B-frames after I-frame ^_^");
1355 av_free_packet(&pkt);
1359 MediaBuffer *mediaBuffer = new MediaBuffer(pkt.size + FF_INPUT_BUFFER_PADDING_SIZE);
1360 mediaBuffer->meta_data()->clear();
1361 mediaBuffer->set_range(0, pkt.size);
1364 if (mIsAVC && mNal2AnnexB) {
1365 /* This only works for NAL sizes 3-4 */
1366 CHECK(mNALLengthSize == 3 || mNALLengthSize == 4);
1368 uint8_t *dst = (uint8_t *)mediaBuffer->data();
1369 /* Convert H.264 NAL format to annex b */
1370 status = convertNal2AnnexB(dst, pkt.size, pkt.data, pkt.size, mNALLengthSize);
1372 ALOGE("convertNal2AnnexB failed");
1373 mediaBuffer->release();
1375 av_free_packet(&pkt);
1376 return ERROR_MALFORMED;
1379 memcpy(mediaBuffer->data(), pkt.data, pkt.size);
1382 int64_t start_time = mStream->start_time != AV_NOPTS_VALUE ? mStream->start_time : 0;
1383 if (pktTS != AV_NOPTS_VALUE)
1384 timeUs = (int64_t)((pktTS - start_time) * av_q2d(mStream->time_base) * 1000000);
1386 timeUs = SF_NOPTS_VALUE; //FIXME AV_NOPTS_VALUE is negative, but stagefright need positive
1389 if (pktTS != AV_NOPTS_VALUE)
1390 ALOGV("read %s pkt, size:%d, key:%d, pts:%lld, dts:%lld, timeUs[-startTime]:%lld us (%.2f secs)",
1391 av_get_media_type_string(mMediaType), pkt.size, key, pkt.pts, pkt.dts, timeUs, timeUs/1E6);
1393 ALOGV("read %s pkt, size:%d, key:%d, pts:N/A, dts:N/A, timeUs[-startTime]:N/A",
1394 av_get_media_type_string(mMediaType), pkt.size, key);
1397 mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs);
1398 mediaBuffer->meta_data()->setInt32(kKeyIsSyncFrame, key);
1400 *buffer = mediaBuffer;
1402 av_free_packet(&pkt);
1407 ////////////////////////////////////////////////////////////////////////////////
1411 const char *container;
1414 static formatmap FILE_FORMATS[] = {
1415 {"mpeg", MEDIA_MIMETYPE_CONTAINER_MPEG2PS },
1416 {"mpegts", MEDIA_MIMETYPE_CONTAINER_TS },
1417 {"mov,mp4,m4a,3gp,3g2,mj2", MEDIA_MIMETYPE_CONTAINER_MPEG4 },
1418 {"matroska,webm", MEDIA_MIMETYPE_CONTAINER_MATROSKA },
1419 {"asf", MEDIA_MIMETYPE_CONTAINER_ASF },
1420 {"rm", MEDIA_MIMETYPE_CONTAINER_RM },
1421 {"flv", MEDIA_MIMETYPE_CONTAINER_FLV },
1422 {"swf", MEDIA_MIMETYPE_CONTAINER_FLV },
1423 {"avi", MEDIA_MIMETYPE_CONTAINER_AVI },
1424 {"ape", MEDIA_MIMETYPE_CONTAINER_APE },
1425 {"dts", MEDIA_MIMETYPE_CONTAINER_DTS },
1426 {"flac", MEDIA_MIMETYPE_CONTAINER_FLAC },
1427 {"ac3", MEDIA_MIMETYPE_AUDIO_AC3 },
1428 {"wav", MEDIA_MIMETYPE_CONTAINER_WAV },
1429 {"ogg", MEDIA_MIMETYPE_CONTAINER_OGG },
1430 {"vc1", MEDIA_MIMETYPE_CONTAINER_VC1 },
1431 {"hevc", MEDIA_MIMETYPE_CONTAINER_HEVC },
1434 static enum AVCodecID getCodecId(AVFormatContext *ic, AVMediaType codec_type)
1436 unsigned int idx = 0;
1437 AVCodecContext *avctx = NULL;
1439 for (idx = 0; idx < ic->nb_streams; idx++) {
1440 avctx = ic->streams[idx]->codec;
1441 if (avctx->codec_type == codec_type) {
1442 return avctx->codec_id;
1446 return AV_CODEC_ID_NONE;
1449 static bool hasAudioCodecOnly(AVFormatContext *ic)
1451 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1452 bool haveVideo = false;
1453 bool haveAudio = false;
1455 if (getCodecId(ic, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
1458 if (getCodecId(ic, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
1462 if (!haveVideo && haveAudio) {
1469 //FIXME all codecs: frameworks/av/media/libstagefright/codecs/*
1470 static bool isCodecSupportedByStagefright(enum AVCodecID codec_id)
1472 bool supported = false;
1476 case AV_CODEC_ID_H264:
1477 case AV_CODEC_ID_MPEG4:
1478 case AV_CODEC_ID_H263:
1479 case AV_CODEC_ID_H263P:
1480 case AV_CODEC_ID_H263I:
1481 case AV_CODEC_ID_VP6:
1482 case AV_CODEC_ID_VP8:
1484 case AV_CODEC_ID_AAC:
1485 case AV_CODEC_ID_MP3:
1486 case AV_CODEC_ID_AMR_NB:
1487 case AV_CODEC_ID_AMR_WB:
1488 case AV_CODEC_ID_FLAC:
1489 case AV_CODEC_ID_VORBIS:
1490 case AV_CODEC_ID_PCM_MULAW: //g711
1491 case AV_CODEC_ID_PCM_ALAW: //g711
1492 //case AV_CODEC_ID_PCM_XXX: //FIXME more PCM?
1500 ALOGD("%ssuppoted codec(%s) by official Stagefright",
1501 (supported ? "" : "un"),
1502 avcodec_get_name(codec_id));
1507 static void adjustMPEG4Confidence(AVFormatContext *ic, float *confidence)
1509 AVDictionary *tags = NULL;
1510 AVDictionaryEntry *tag = NULL;
1511 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1514 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1515 if (codec_id != AV_CODEC_ID_NONE
1516 && codec_id != AV_CODEC_ID_H264
1517 && codec_id != AV_CODEC_ID_MPEG4
1518 && codec_id != AV_CODEC_ID_H263
1519 && codec_id != AV_CODEC_ID_H263P
1520 && codec_id != AV_CODEC_ID_H263I) {
1521 //the MEDIA_MIMETYPE_CONTAINER_MPEG4 of confidence is 0.4f
1522 ALOGI("[mp4]video codec(%s), confidence should be larger than MPEG4Extractor",
1523 avcodec_get_name(codec_id));
1524 *confidence = 0.41f;
1527 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1528 if (codec_id != AV_CODEC_ID_NONE
1529 && codec_id != AV_CODEC_ID_MP3
1530 && codec_id != AV_CODEC_ID_AAC
1531 && codec_id != AV_CODEC_ID_AMR_NB
1532 && codec_id != AV_CODEC_ID_AMR_WB) {
1533 ALOGI("[mp4]audio codec(%s), confidence should be larger than MPEG4Extractor",
1534 avcodec_get_name(codec_id));
1535 *confidence = 0.41f;
1539 tags = ic->metadata;
1540 //NOTE: You can use command to show these tags,
1541 //e.g. "ffprobe -show_format 2012.mov"
1542 tag = av_dict_get(tags, "major_brand", NULL, 0);
1547 ALOGV("major_brand tag is:%s", tag->value);
1549 //when MEDIA_MIMETYPE_CONTAINER_MPEG4
1550 //WTF, MPEG4Extractor.cpp can not extractor mov format
1551 //NOTE: isCompatibleBrand(MPEG4Extractor.cpp)
1552 // Won't promise that the following file types can be played.
1553 // Just give these file types a chance.
1554 // FOURCC('q', 't', ' ', ' '), // Apple's QuickTime
1556 if (!strcmp(tag->value, "qt ")) {
1557 ALOGI("[mp4]format is mov, confidence should be larger than mpeg4");
1558 *confidence = 0.41f;
1562 static void adjustMPEG2TSConfidence(AVFormatContext *ic, float *confidence)
1564 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1566 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1567 if (codec_id != AV_CODEC_ID_NONE
1568 && codec_id != AV_CODEC_ID_H264
1569 && codec_id != AV_CODEC_ID_MPEG4
1570 && codec_id != AV_CODEC_ID_MPEG1VIDEO
1571 && codec_id != AV_CODEC_ID_MPEG2VIDEO) {
1572 //the MEDIA_MIMETYPE_CONTAINER_MPEG2TS of confidence is 0.1f
1573 ALOGI("[mpeg2ts]video codec(%s), confidence should be larger than MPEG2TSExtractor",
1574 avcodec_get_name(codec_id));
1575 *confidence = 0.11f;
1578 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1579 if (codec_id != AV_CODEC_ID_NONE
1580 && codec_id != AV_CODEC_ID_AAC
1581 && codec_id != AV_CODEC_ID_PCM_S16LE //FIXME, AV_CODEC_ID_PCM_S24LE, AV_CODEC_ID_PCM_S32LE?
1582 && codec_id != AV_CODEC_ID_MP1
1583 && codec_id != AV_CODEC_ID_MP2
1584 && codec_id != AV_CODEC_ID_MP3) {
1585 ALOGI("[mpeg2ts]audio codec(%s), confidence should be larger than MPEG2TSExtractor",
1586 avcodec_get_name(codec_id));
1587 *confidence = 0.11f;
1591 static void adjustMKVConfidence(AVFormatContext *ic, float *confidence)
1593 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1595 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1596 if (codec_id != AV_CODEC_ID_NONE
1597 && codec_id != AV_CODEC_ID_H264
1598 && codec_id != AV_CODEC_ID_MPEG4
1599 && codec_id != AV_CODEC_ID_VP6
1600 && codec_id != AV_CODEC_ID_VP8) {
1601 //the MEDIA_MIMETYPE_CONTAINER_MATROSKA of confidence is 0.6f
1602 ALOGI("[mkv]video codec(%s), confidence should be larger than MatroskaExtractor",
1603 avcodec_get_name(codec_id));
1604 *confidence = 0.61f;
1607 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1608 if (codec_id != AV_CODEC_ID_NONE
1609 && codec_id != AV_CODEC_ID_AAC
1610 && codec_id != AV_CODEC_ID_MP3
1611 && codec_id != AV_CODEC_ID_VORBIS) {
1612 ALOGI("[mkv]audio codec(%s), confidence should be larger than MatroskaExtractor",
1613 avcodec_get_name(codec_id));
1614 *confidence = 0.61f;
1618 static void adjustCodecConfidence(AVFormatContext *ic, float *confidence)
1620 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1622 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1623 if (codec_id != AV_CODEC_ID_NONE) {
1624 if (!isCodecSupportedByStagefright(codec_id)) {
1625 *confidence = 0.88f;
1629 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1630 if (codec_id != AV_CODEC_ID_NONE) {
1631 if (!isCodecSupportedByStagefright(codec_id)) {
1632 *confidence = 0.88f;
1636 if (getCodecId(ic, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE
1637 && getCodecId(ic, AVMEDIA_TYPE_AUDIO) == AV_CODEC_ID_MP3) {
1638 *confidence = 0.22f; //larger than MP3Extractor
1642 //TODO need more checks
1643 static void adjustConfidenceIfNeeded(const char *mime,
1644 AVFormatContext *ic, float *confidence)
1647 if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4)) {
1648 adjustMPEG4Confidence(ic, confidence);
1649 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2TS)) {
1650 adjustMPEG2TSConfidence(ic, confidence);
1651 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA)) {
1652 adjustMKVConfidence(ic, confidence);
1657 if (*confidence > 0.08) {
1662 adjustCodecConfidence(ic, confidence);
1665 static void adjustContainerIfNeeded(const char **mime, AVFormatContext *ic)
1667 const char *newMime = *mime;
1668 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1670 if (!hasAudioCodecOnly(ic)) {
1674 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1675 CHECK(codec_id != AV_CODEC_ID_NONE);
1677 case AV_CODEC_ID_MP3:
1678 newMime = MEDIA_MIMETYPE_AUDIO_MPEG;
1680 case AV_CODEC_ID_AAC:
1681 newMime = MEDIA_MIMETYPE_AUDIO_AAC;
1683 case AV_CODEC_ID_VORBIS:
1684 newMime = MEDIA_MIMETYPE_AUDIO_VORBIS;
1686 case AV_CODEC_ID_FLAC:
1687 newMime = MEDIA_MIMETYPE_AUDIO_FLAC;
1689 case AV_CODEC_ID_AC3:
1690 newMime = MEDIA_MIMETYPE_AUDIO_AC3;
1692 case AV_CODEC_ID_APE:
1693 newMime = MEDIA_MIMETYPE_AUDIO_APE;
1695 case AV_CODEC_ID_DTS:
1696 newMime = MEDIA_MIMETYPE_AUDIO_DTS;
1698 case AV_CODEC_ID_MP2:
1699 newMime = MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II;
1701 case AV_CODEC_ID_COOK:
1702 newMime = MEDIA_MIMETYPE_AUDIO_RA;
1704 case AV_CODEC_ID_WMAV1:
1705 case AV_CODEC_ID_WMAV2:
1706 case AV_CODEC_ID_WMAPRO:
1707 case AV_CODEC_ID_WMALOSSLESS:
1708 newMime = MEDIA_MIMETYPE_AUDIO_WMA;
1714 if (!strcmp(*mime, MEDIA_MIMETYPE_CONTAINER_FFMPEG)) {
1715 newMime = MEDIA_MIMETYPE_AUDIO_FFMPEG;
1718 if (strcmp(*mime, newMime)) {
1719 ALOGI("adjust mime(%s -> %s)", *mime, newMime);
1724 static const char *findMatchingContainer(const char *name)
1727 const char *container = NULL;
1729 ALOGI("list the formats suppoted by ffmpeg: ");
1730 ALOGI("========================================");
1731 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1732 ALOGV("format_names[%02d]: %s", i, FILE_FORMATS[i].format);
1734 ALOGI("========================================");
1736 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1737 int len = strlen(FILE_FORMATS[i].format);
1738 if (!strncasecmp(name, FILE_FORMATS[i].format, len)) {
1739 container = FILE_FORMATS[i].container;
1747 static const char *SniffFFMPEGCommon(const char *url, float *confidence)
1751 size_t nb_streams = 0;
1752 const char *container = NULL;
1753 AVFormatContext *ic = NULL;
1754 AVDictionary **opts = NULL;
1756 status_t status = initFFmpeg();
1758 ALOGE("could not init ffmpeg");
1762 ic = avformat_alloc_context();
1765 ALOGE("oom for alloc avformat context");
1769 err = avformat_open_input(&ic, url, NULL, NULL);
1771 ALOGE("%s: avformat_open_input failed, err:%s", url, av_err2str(err));
1775 opts = setup_find_stream_info_opts(ic, codec_opts);
1776 nb_streams = ic->nb_streams;
1777 err = avformat_find_stream_info(ic, opts);
1779 ALOGE("%s: could not find stream info, err:%s", url, av_err2str(err));
1782 for (i = 0; i < nb_streams; i++) {
1783 av_dict_free(&opts[i]);
1787 av_dump_format(ic, 0, url, 0);
1789 ALOGI("FFmpegExtrator, url: %s, format_name: %s, format_long_name: %s",
1790 url, ic->iformat->name, ic->iformat->long_name);
1792 container = findMatchingContainer(ic->iformat->name);
1795 adjustContainerIfNeeded(&container, ic);
1796 adjustConfidenceIfNeeded(container, ic, confidence);
1801 avformat_close_input(&ic);
1810 static const char *BetterSniffFFMPEG(const sp<DataSource> &source,
1811 float *confidence, sp<AMessage> meta)
1813 const char *ret = NULL;
1814 char url[PATH_MAX] = {0};
1816 ALOGI("android-source:%p", source.get());
1818 // pass the addr of smart pointer("source")
1819 snprintf(url, sizeof(url), "android-source:%p", source.get());
1821 ret = SniffFFMPEGCommon(url, confidence);
1823 meta->setString("extended-extractor-url", url);
1829 static const char *LegacySniffFFMPEG(const sp<DataSource> &source,
1830 float *confidence, sp<AMessage> meta)
1832 const char *ret = NULL;
1833 char url[PATH_MAX] = {0};
1835 String8 uri = source->getUri();
1836 if (!uri.string()) {
1840 ALOGI("source url:%s", uri.string());
1842 // pass the addr of smart pointer("source") + file name
1843 snprintf(url, sizeof(url), "android-source:%p|file:%s", source.get(), uri.string());
1845 ret = SniffFFMPEGCommon(url, confidence);
1847 meta->setString("extended-extractor-url", url);
1854 const sp<DataSource> &source, String8 *mimeType, float *confidence,
1855 sp<AMessage> *meta) {
1856 ALOGV("SniffFFMPEG");
1858 *meta = new AMessage;
1859 *confidence = 0.08f; // be the last resort, by default
1861 const char *container = BetterSniffFFMPEG(source, confidence, *meta);
1863 ALOGW("sniff through BetterSniffFFMPEG failed, try LegacySniffFFMPEG");
1864 container = LegacySniffFFMPEG(source, confidence, *meta);
1866 ALOGI("sniff through LegacySniffFFMPEG success");
1869 ALOGI("sniff through BetterSniffFFMPEG success");
1872 if (container == NULL) {
1873 ALOGD("SniffFFMPEG failed to sniff this source");
1879 ALOGD("ffmpeg detected media content as '%s' with confidence %.2f",
1880 container, *confidence);
1882 /* use MPEG4Extractor(not extended extractor) for HTTP source only */
1883 if (!strcasecmp(container, MEDIA_MIMETYPE_CONTAINER_MPEG4)
1884 && (source->flags() & DataSource::kIsCachingDataSource)) {
1885 ALOGI("support container: %s, but it is caching data source, "
1886 "Don't use ffmpegextractor", container);
1892 mimeType->setTo(container);
1894 (*meta)->setString("extended-extractor", "extended-extractor");
1895 (*meta)->setString("extended-extractor-subtype", "ffmpegextractor");
1896 (*meta)->setString("extended-extractor-mime", container);
1899 char value[PROPERTY_VALUE_MAX];
1900 property_get("sys.media.parser.ffmpeg", value, "0");
1902 ALOGI("[debug] use ffmpeg parser");
1903 *confidence = 0.88f;
1906 if (*confidence > 0.08f) {
1907 (*meta)->setString("extended-extractor-use", "ffmpegextractor");
1913 MediaExtractor *CreateFFmpegExtractor(const sp<DataSource> &source, const char *mime, const sp<AMessage> &meta) {
1914 MediaExtractor *ret = NULL;
1916 if (meta.get() && meta->findString("extended-extractor", ¬use) && (
1917 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG) ||
1918 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC) ||
1919 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS) ||
1920 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC) ||
1921 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AC3) ||
1922 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_APE) ||
1923 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_DTS) ||
1924 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II) ||
1925 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RA) ||
1926 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_WMA) ||
1927 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FFMPEG) ||
1928 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4) ||
1929 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MOV) ||
1930 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA) ||
1931 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_TS) ||
1932 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2PS) ||
1933 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_AVI) ||
1934 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_ASF) ||
1935 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WEBM) ||
1936 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WMV) ||
1937 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPG) ||
1938 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FLV) ||
1939 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_DIVX) ||
1940 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_RM) ||
1941 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WAV) ||
1942 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FLAC) ||
1943 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_APE) ||
1944 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_DTS) ||
1945 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MP2) ||
1946 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_RA) ||
1947 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_OGG) ||
1948 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_VC1) ||
1949 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_HEVC) ||
1950 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WMA) ||
1951 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FFMPEG))) {
1952 ret = new FFmpegExtractor(source, meta);
1955 ALOGD("%ssupported mime: %s", (ret ? "" : "un"), mime);
1959 } // namespace android
1961 extern "C" void getExtractorPlugin(android::MediaExtractor::Plugin *plugin)
1963 plugin->sniff = android::SniffFFMPEG;
1964 plugin->create = android::CreateFFmpegExtractor;