2 * Copyright 2012 Michael Chen <omxcodec@gmail.com>
3 * Copyright 2015 The CyanogenMod Project
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 //#define LOG_NDEBUG 0
19 #define LOG_TAG "FFmpegExtractor"
20 #include <utils/Log.h>
23 #include <limits.h> /* INT_MAX */
25 #include <sys/prctl.h>
27 #include <utils/misc.h>
28 #include <utils/String8.h>
29 #include <cutils/properties.h>
30 #include <media/stagefright/foundation/ABitReader.h>
31 #include <media/stagefright/foundation/ABuffer.h>
32 #include <media/stagefright/foundation/ADebug.h>
33 #include <media/stagefright/foundation/AMessage.h>
34 #include <media/stagefright/foundation/hexdump.h>
35 #include <media/stagefright/DataSource.h>
36 #include <media/stagefright/MediaBuffer.h>
37 #include <media/stagefright/foundation/ADebug.h>
38 #include <media/stagefright/MediaDefs.h>
39 #include <media/stagefright/MediaErrors.h>
40 #include <media/stagefright/MediaSource.h>
41 #include <media/stagefright/MetaData.h>
42 #include <media/stagefright/Utils.h>
43 #include "include/avc_utils.h"
45 #include "utils/codec_utils.h"
46 #include "utils/ffmpeg_cmdutils.h"
48 #include "FFmpegExtractor.h"
50 #define MAX_QUEUE_SIZE (15 * 1024 * 1024)
51 #define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
53 #define EXTRACTOR_MAX_PROBE_PACKETS 200
54 #define FF_MAX_EXTRADATA_SIZE ((1 << 28) - FF_INPUT_BUFFER_PADDING_SIZE)
56 #define WAIT_KEY_PACKET_AFTER_SEEK 1
57 #define SUPPOURT_UNKNOWN_FORMAT 1
60 #define DEBUG_READ_ENTRY 0
61 #define DEBUG_DISABLE_VIDEO 0
62 #define DEBUG_DISABLE_AUDIO 0
64 #define DEBUG_FORMATS 0
73 struct FFmpegSource : public MediaSource {
74 FFmpegSource(const sp<FFmpegExtractor> &extractor, size_t index);
76 virtual status_t start(MetaData *params);
77 virtual status_t stop();
78 virtual sp<MetaData> getFormat();
80 virtual status_t read(
81 MediaBuffer **buffer, const ReadOptions *options);
84 virtual ~FFmpegSource();
87 friend struct FFmpegExtractor;
89 sp<FFmpegExtractor> mExtractor;
92 enum AVMediaType mMediaType;
97 size_t mNALLengthSize;
103 int64_t mFirstKeyPktTimestamp;
107 DISALLOW_EVIL_CONSTRUCTORS(FFmpegSource);
110 ////////////////////////////////////////////////////////////////////////////////
112 FFmpegExtractor::FFmpegExtractor(const sp<DataSource> &source, const sp<AMessage> &meta)
113 : mDataSource(source),
116 mFFmpegInited(false),
118 mReaderThreadStarted(false) {
119 ALOGV("FFmpegExtractor::FFmpegExtractor");
121 fetchStuffsFromSniffedMeta(meta);
123 int err = initStreams();
125 ALOGE("failed to init ffmpeg");
129 // start reader here, as we want to extract extradata from bitstream if no extradata
132 while(mProbePkts <= EXTRACTOR_MAX_PROBE_PACKETS && !mEOF &&
133 (mFormatCtx->pb ? !mFormatCtx->pb->error : 1) &&
134 (mDefersToCreateVideoTrack || mDefersToCreateAudioTrack)) {
135 ALOGV("mProbePkts=%d", mProbePkts);
139 ALOGV("mProbePkts: %d, mEOF: %d, pb->error(if has): %d, mDefersToCreateVideoTrack: %d, mDefersToCreateAudioTrack: %d",
140 mProbePkts, mEOF, mFormatCtx->pb ? mFormatCtx->pb->error : 0, mDefersToCreateVideoTrack, mDefersToCreateAudioTrack);
145 FFmpegExtractor::~FFmpegExtractor() {
146 ALOGV("FFmpegExtractor::~FFmpegExtractor");
147 // stop reader here if no track!
150 Mutex::Autolock autoLock(mLock);
154 size_t FFmpegExtractor::countTracks() {
155 return mInitCheck == OK ? mTracks.size() : 0;
158 sp<MediaSource> FFmpegExtractor::getTrack(size_t index) {
159 ALOGV("FFmpegExtractor::getTrack[%d]", index);
161 if (mInitCheck != OK) {
165 if (index >= mTracks.size()) {
169 return new FFmpegSource(this, index);
172 sp<MetaData> FFmpegExtractor::getTrackMetaData(size_t index, uint32_t flags __unused) {
173 ALOGV("FFmpegExtractor::getTrackMetaData[%d]", index);
175 if (mInitCheck != OK) {
179 if (index >= mTracks.size()) {
183 /* Quick and dirty, just get a frame 1/4 in */
184 if (mTracks.itemAt(index).mIndex == mVideoStreamIdx) {
185 int64_t thumb_ts = av_rescale_q((mFormatCtx->streams[mVideoStreamIdx]->duration / 4),
186 mFormatCtx->streams[mVideoStreamIdx]->time_base, AV_TIME_BASE_Q);
187 mTracks.itemAt(index).mMeta->setInt64(kKeyThumbnailTime, thumb_ts);
190 return mTracks.itemAt(index).mMeta;
193 sp<MetaData> FFmpegExtractor::getMetaData() {
194 ALOGV("FFmpegExtractor::getMetaData");
196 if (mInitCheck != OK) {
203 uint32_t FFmpegExtractor::flags() const {
204 ALOGV("FFmpegExtractor::flags");
206 if (mInitCheck != OK) {
210 uint32_t flags = CAN_PAUSE;
212 if (mFormatCtx->duration != AV_NOPTS_VALUE) {
213 flags |= CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_SEEK;
219 int FFmpegExtractor::check_extradata(AVCodecContext *avctx)
221 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
222 const char *name = NULL;
223 bool *defersToCreateTrack = NULL;
224 AVBitStreamFilterContext **bsfc = NULL;
227 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
229 defersToCreateTrack = &mDefersToCreateVideoTrack;
230 } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO){
232 defersToCreateTrack = &mDefersToCreateAudioTrack;
235 codec_id = avctx->codec_id;
238 if (codec_id != AV_CODEC_ID_H264
239 && codec_id != AV_CODEC_ID_MPEG4
240 && codec_id != AV_CODEC_ID_MPEG1VIDEO
241 && codec_id != AV_CODEC_ID_MPEG2VIDEO
242 && codec_id != AV_CODEC_ID_AAC) {
246 // is extradata compatible with android?
247 if (codec_id != AV_CODEC_ID_AAC) {
248 int is_compatible = is_extradata_compatible_with_android(avctx);
249 if (!is_compatible) {
250 ALOGI("%s extradata is not compatible with android, should to extract it from bitstream",
251 av_get_media_type_string(avctx->codec_type));
252 *defersToCreateTrack = true;
253 *bsfc = NULL; // H264 don't need bsfc, only AAC?
259 if (codec_id == AV_CODEC_ID_AAC) {
260 name = "aac_adtstoasc";
263 if (avctx->extradata_size <= 0) {
264 ALOGI("No %s extradata found, should to extract it from bitstream",
265 av_get_media_type_string(avctx->codec_type));
266 *defersToCreateTrack = true;
267 //CHECK(name != NULL);
268 if (!*bsfc && name) {
269 *bsfc = av_bitstream_filter_init(name);
271 ALOGE("Cannot open the %s BSF!", name);
272 *defersToCreateTrack = false;
275 ALOGV("open the %s bsf", name);
285 void FFmpegExtractor::printTime(int64_t time)
287 int hours, mins, secs, us;
289 if (time == AV_NOPTS_VALUE)
292 secs = time / AV_TIME_BASE;
293 us = time % AV_TIME_BASE;
298 ALOGI("the time is %02d:%02d:%02d.%02d",
299 hours, mins, secs, (100 * us) / AV_TIME_BASE);
302 bool FFmpegExtractor::is_codec_supported(enum AVCodecID codec_id)
304 bool supported = false;
307 case AV_CODEC_ID_H264:
308 case AV_CODEC_ID_MPEG4:
309 case AV_CODEC_ID_H263:
310 case AV_CODEC_ID_H263P:
311 case AV_CODEC_ID_H263I:
312 case AV_CODEC_ID_AAC:
313 case AV_CODEC_ID_AC3:
314 case AV_CODEC_ID_MP2:
315 case AV_CODEC_ID_MP3:
316 case AV_CODEC_ID_MPEG1VIDEO:
317 case AV_CODEC_ID_MPEG2VIDEO:
318 case AV_CODEC_ID_WMV1:
319 case AV_CODEC_ID_WMV2:
320 case AV_CODEC_ID_WMV3:
321 case AV_CODEC_ID_VC1:
322 case AV_CODEC_ID_WMAV1:
323 case AV_CODEC_ID_WMAV2:
324 case AV_CODEC_ID_WMAPRO:
325 case AV_CODEC_ID_WMALOSSLESS:
326 case AV_CODEC_ID_RV20:
327 case AV_CODEC_ID_RV30:
328 case AV_CODEC_ID_RV40:
329 case AV_CODEC_ID_COOK:
330 case AV_CODEC_ID_APE:
331 case AV_CODEC_ID_DTS:
332 case AV_CODEC_ID_FLAC:
333 case AV_CODEC_ID_FLV1:
334 case AV_CODEC_ID_VORBIS:
335 case AV_CODEC_ID_HEVC:
340 ALOGD("unsuppoted codec(%s), but give it a chance",
341 avcodec_get_name(codec_id));
342 //Won't promise that the following codec id can be supported.
343 //Just give these codecs a chance.
351 sp<MetaData> FFmpegExtractor::setVideoFormat(AVStream *stream)
353 AVCodecContext *avctx = NULL;
354 sp<MetaData> meta = NULL;
356 avctx = stream->codec;
357 CHECK_EQ(avctx->codec_type, AVMEDIA_TYPE_VIDEO);
359 switch(avctx->codec_id) {
360 case AV_CODEC_ID_H264:
361 if (avctx->extradata[0] == 1) {
362 meta = setAVCFormat(avctx);
364 meta = setH264Format(avctx);
367 case AV_CODEC_ID_MPEG4:
368 meta = setMPEG4Format(avctx);
370 case AV_CODEC_ID_H263:
371 case AV_CODEC_ID_H263P:
372 case AV_CODEC_ID_H263I:
373 meta = setH263Format(avctx);
375 case AV_CODEC_ID_MPEG1VIDEO:
376 case AV_CODEC_ID_MPEG2VIDEO:
377 meta = setMPEG2VIDEOFormat(avctx);
379 case AV_CODEC_ID_VC1:
380 meta = setVC1Format(avctx);
382 case AV_CODEC_ID_WMV1:
383 meta = setWMV1Format(avctx);
385 case AV_CODEC_ID_WMV2:
386 meta = setWMV2Format(avctx);
388 case AV_CODEC_ID_WMV3:
389 meta = setWMV3Format(avctx);
391 case AV_CODEC_ID_RV20:
392 meta = setRV20Format(avctx);
394 case AV_CODEC_ID_RV30:
395 meta = setRV30Format(avctx);
397 case AV_CODEC_ID_RV40:
398 meta = setRV40Format(avctx);
400 case AV_CODEC_ID_FLV1:
401 meta = setFLV1Format(avctx);
403 case AV_CODEC_ID_HEVC:
404 meta = setHEVCFormat(avctx);
406 case AV_CODEC_ID_VP8:
407 meta = setVP8Format(avctx);
409 case AV_CODEC_ID_VP9:
410 meta = setVP9Format(avctx);
413 ALOGD("unsuppoted video codec(id:%d, name:%s), but give it a chance",
414 avctx->codec_id, avcodec_get_name(avctx->codec_id));
416 meta->setInt32(kKeyCodecId, avctx->codec_id);
417 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_FFMPEG);
418 if (avctx->extradata_size > 0) {
419 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
421 //CHECK(!"Should not be here. Unsupported codec.");
426 ALOGI("width: %d, height: %d, bit_rate: %d",
427 avctx->width, avctx->height, avctx->bit_rate);
429 meta->setInt32(kKeyWidth, avctx->width);
430 meta->setInt32(kKeyHeight, avctx->height);
431 if (avctx->bit_rate > 0) {
432 meta->setInt32(kKeyBitRate, avctx->bit_rate);
434 setDurationMetaData(stream, meta);
440 sp<MetaData> FFmpegExtractor::setAudioFormat(AVStream *stream)
442 AVCodecContext *avctx = NULL;
443 sp<MetaData> meta = NULL;
445 avctx = stream->codec;
446 CHECK_EQ(avctx->codec_type, AVMEDIA_TYPE_AUDIO);
448 switch(avctx->codec_id) {
449 case AV_CODEC_ID_MP2:
450 meta = setMP2Format(avctx);
452 case AV_CODEC_ID_MP3:
453 meta = setMP3Format(avctx);
455 case AV_CODEC_ID_VORBIS:
456 meta = setVORBISFormat(avctx);
458 case AV_CODEC_ID_AC3:
459 meta = setAC3Format(avctx);
461 case AV_CODEC_ID_AAC:
462 meta = setAACFormat(avctx);
464 case AV_CODEC_ID_WMAV1:
465 meta = setWMAV1Format(avctx);
467 case AV_CODEC_ID_WMAV2:
468 meta = setWMAV2Format(avctx);
470 case AV_CODEC_ID_WMAPRO:
471 meta = setWMAProFormat(avctx);
473 case AV_CODEC_ID_WMALOSSLESS:
474 meta = setWMALossLessFormat(avctx);
476 case AV_CODEC_ID_COOK:
477 meta = setRAFormat(avctx);
479 case AV_CODEC_ID_APE:
480 meta = setAPEFormat(avctx);
482 case AV_CODEC_ID_DTS:
483 meta = setDTSFormat(avctx);
485 case AV_CODEC_ID_FLAC:
486 meta = setFLACFormat(avctx);
489 ALOGD("unsuppoted audio codec(id:%d, name:%s), but give it a chance",
490 avctx->codec_id, avcodec_get_name(avctx->codec_id));
492 meta->setInt32(kKeyCodecId, avctx->codec_id);
493 meta->setInt32(kKeyCodedSampleBits, avctx->bits_per_coded_sample);
494 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_FFMPEG);
495 if (avctx->extradata_size > 0) {
496 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
498 //CHECK(!"Should not be here. Unsupported codec.");
503 ALOGD("bit_rate: %d, sample_rate: %d, channels: %d, "
504 "bits_per_coded_sample: %d, block_align: %d "
505 "bits_per_raw_sample: %d, sample_format: %d",
506 avctx->bit_rate, avctx->sample_rate, avctx->channels,
507 avctx->bits_per_coded_sample, avctx->block_align,
508 avctx->bits_per_raw_sample, avctx->sample_fmt);
510 meta->setInt32(kKeyChannelCount, avctx->channels);
511 meta->setInt32(kKeyBitRate, avctx->bit_rate);
512 int32_t bits = avctx->bits_per_raw_sample > 0 ?
513 avctx->bits_per_raw_sample :
514 av_get_bytes_per_sample(avctx->sample_fmt) * 8;
515 meta->setInt32(kKeyBitsPerSample, bits > 0 ? bits : 16);
516 meta->setInt32(kKeySampleRate, avctx->sample_rate);
517 meta->setInt32(kKeyBlockAlign, avctx->block_align);
518 meta->setInt32(kKeySampleFormat, avctx->sample_fmt);
519 meta->setInt32('pfmt', to_android_audio_format(avctx->sample_fmt));
520 setDurationMetaData(stream, meta);
526 void FFmpegExtractor::setDurationMetaData(AVStream *stream, sp<MetaData> &meta)
528 AVCodecContext *avctx = stream->codec;
530 if (stream->duration != AV_NOPTS_VALUE) {
531 int64_t duration = av_rescale_q(stream->duration, stream->time_base, AV_TIME_BASE_Q);
533 const char *s = av_get_media_type_string(avctx->codec_type);
534 if (stream->start_time != AV_NOPTS_VALUE) {
535 ALOGV("%s startTime:%lld", s, stream->start_time);
537 ALOGV("%s startTime:N/A", s);
539 meta->setInt64(kKeyDuration, duration);
541 // default when no stream duration
542 meta->setInt64(kKeyDuration, mFormatCtx->duration);
546 int FFmpegExtractor::stream_component_open(int stream_index)
548 TrackInfo *trackInfo = NULL;
549 AVCodecContext *avctx = NULL;
550 sp<MetaData> meta = NULL;
551 bool supported = false;
553 const void *data = NULL;
557 ALOGI("stream_index: %d", stream_index);
558 if (stream_index < 0 || stream_index >= (int)mFormatCtx->nb_streams)
560 avctx = mFormatCtx->streams[stream_index]->codec;
562 supported = is_codec_supported(avctx->codec_id);
565 ALOGE("unsupport the codec(%s)", avcodec_get_name(avctx->codec_id));
568 ALOGI("support the codec(%s)", avcodec_get_name(avctx->codec_id));
571 for (size_t i = 0; i < mTracks.size(); ++i) {
572 if (stream_index == mTracks.editItemAt(i).mIndex) {
573 ALOGE("this track already exists");
578 mFormatCtx->streams[stream_index]->discard = AVDISCARD_DEFAULT;
581 av_get_codec_tag_string(tagbuf, sizeof(tagbuf), avctx->codec_tag);
582 ALOGV("Tag %s/0x%08x with codec(%s)\n", tagbuf, avctx->codec_tag, avcodec_get_name(avctx->codec_id));
584 switch (avctx->codec_type) {
585 case AVMEDIA_TYPE_VIDEO:
586 if (mVideoStreamIdx == -1)
587 mVideoStreamIdx = stream_index;
588 if (mVideoStream == NULL)
589 mVideoStream = mFormatCtx->streams[stream_index];
591 ret = check_extradata(avctx);
594 // disable the stream
595 mVideoStreamIdx = -1;
597 packet_queue_flush(&mVideoQ);
598 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
603 if (avctx->extradata) {
604 ALOGV("video stream extradata:");
605 hexdump(avctx->extradata, avctx->extradata_size);
607 ALOGV("video stream no extradata, but we can ignore it.");
610 meta = setVideoFormat(mVideoStream);
612 ALOGE("setVideoFormat failed");
616 ALOGV("create a video track");
618 trackInfo = &mTracks.editItemAt(mTracks.size() - 1);
619 trackInfo->mIndex = stream_index;
620 trackInfo->mMeta = meta;
621 trackInfo->mStream = mVideoStream;
622 trackInfo->mQueue = &mVideoQ;
624 mDefersToCreateVideoTrack = false;
627 case AVMEDIA_TYPE_AUDIO:
628 if (mAudioStreamIdx == -1)
629 mAudioStreamIdx = stream_index;
630 if (mAudioStream == NULL)
631 mAudioStream = mFormatCtx->streams[stream_index];
633 ret = check_extradata(avctx);
636 // disable the stream
637 mAudioStreamIdx = -1;
639 packet_queue_flush(&mAudioQ);
640 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
645 if (avctx->extradata) {
646 ALOGV("audio stream extradata(%d):", avctx->extradata_size);
647 hexdump(avctx->extradata, avctx->extradata_size);
649 ALOGV("audio stream no extradata, but we can ignore it.");
652 meta = setAudioFormat(mAudioStream);
654 ALOGE("setAudioFormat failed");
658 ALOGV("create a audio track");
660 trackInfo = &mTracks.editItemAt(mTracks.size() - 1);
661 trackInfo->mIndex = stream_index;
662 trackInfo->mMeta = meta;
663 trackInfo->mStream = mAudioStream;
664 trackInfo->mQueue = &mAudioQ;
666 mDefersToCreateAudioTrack = false;
669 case AVMEDIA_TYPE_SUBTITLE:
671 CHECK(!"Should not be here. Unsupported media type.");
674 CHECK(!"Should not be here. Unsupported media type.");
680 void FFmpegExtractor::stream_component_close(int stream_index)
682 AVCodecContext *avctx;
684 if (stream_index < 0 || stream_index >= (int)mFormatCtx->nb_streams)
686 avctx = mFormatCtx->streams[stream_index]->codec;
688 switch (avctx->codec_type) {
689 case AVMEDIA_TYPE_VIDEO:
690 ALOGV("packet_queue_abort videoq");
691 packet_queue_abort(&mVideoQ);
692 ALOGV("packet_queue_end videoq");
693 packet_queue_flush(&mVideoQ);
695 case AVMEDIA_TYPE_AUDIO:
696 ALOGV("packet_queue_abort audioq");
697 packet_queue_abort(&mAudioQ);
698 ALOGV("packet_queue_end audioq");
699 packet_queue_flush(&mAudioQ);
701 case AVMEDIA_TYPE_SUBTITLE:
707 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
708 switch (avctx->codec_type) {
709 case AVMEDIA_TYPE_VIDEO:
711 mVideoStreamIdx = -1;
713 av_bitstream_filter_close(mVideoBsfc);
717 case AVMEDIA_TYPE_AUDIO:
719 mAudioStreamIdx = -1;
721 av_bitstream_filter_close(mAudioBsfc);
725 case AVMEDIA_TYPE_SUBTITLE:
732 void FFmpegExtractor::reachedEOS(enum AVMediaType media_type)
734 Mutex::Autolock autoLock(mLock);
736 if (media_type == AVMEDIA_TYPE_VIDEO) {
737 mVideoEOSReceived = true;
738 } else if (media_type == AVMEDIA_TYPE_AUDIO) {
739 mAudioEOSReceived = true;
744 /* seek in the stream */
745 int FFmpegExtractor::stream_seek(int64_t pos, enum AVMediaType media_type,
746 MediaSource::ReadOptions::SeekMode mode)
748 Mutex::Autolock _l(mLock);
750 if (mSeekIdx >= 0 || (mVideoStreamIdx >= 0
751 && mAudioStreamIdx >= 0
752 && media_type == AVMEDIA_TYPE_AUDIO
753 && !mVideoEOSReceived)) {
758 if (mAudioStreamIdx >= 0)
759 packet_queue_flush(&mAudioQ);
760 if (mVideoStreamIdx >= 0)
761 packet_queue_flush(&mVideoQ);
763 mSeekIdx = media_type == AVMEDIA_TYPE_VIDEO ? mVideoStreamIdx : mAudioStreamIdx;
766 //mSeekFlags &= ~AVSEEK_FLAG_BYTE;
767 //if (mSeekByBytes) {
768 // mSeekFlags |= AVSEEK_FLAG_BYTE;
772 case MediaSource::ReadOptions::SEEK_PREVIOUS_SYNC:
773 mSeekMin = INT64_MIN;
776 case MediaSource::ReadOptions::SEEK_NEXT_SYNC:
778 mSeekMax = INT64_MAX;
780 case MediaSource::ReadOptions::SEEK_CLOSEST_SYNC:
781 mSeekMin = INT64_MIN;
782 mSeekMax = INT64_MAX;
784 case MediaSource::ReadOptions::SEEK_CLOSEST:
785 mSeekMin = INT64_MIN;
792 mCondition.wait(mLock);
797 int FFmpegExtractor::decode_interrupt_cb(void *ctx)
799 FFmpegExtractor *extractor = static_cast<FFmpegExtractor *>(ctx);
800 return extractor->mAbortRequest;
803 void FFmpegExtractor::fetchStuffsFromSniffedMeta(const sp<AMessage> &meta)
809 CHECK(meta->findString("extended-extractor-url", &url));
810 CHECK(url.c_str() != NULL);
811 CHECK(url.size() < PATH_MAX);
813 memcpy(mFilename, url.c_str(), url.size());
814 mFilename[url.size()] = '\0';
817 CHECK(meta->findString("extended-extractor-mime", &mime));
818 CHECK(mime.c_str() != NULL);
819 mMeta->setCString(kKeyMIMEType, mime.c_str());
822 void FFmpegExtractor::setFFmpegDefaultOpts()
825 #if DEBUG_DISABLE_VIDEO
830 #if DEBUG_DISABLE_AUDIO
836 mSeekByBytes = 0; /* seek by bytes 0=off 1=on -1=auto" */
837 mDuration = AV_NOPTS_VALUE;
838 mSeekPos = AV_NOPTS_VALUE;
839 mSeekMin = INT64_MIN;
840 mSeekMax = INT64_MAX;
843 mVideoStreamIdx = -1;
844 mAudioStreamIdx = -1;
847 mDefersToCreateVideoTrack = false;
848 mDefersToCreateAudioTrack = false;
861 int FFmpegExtractor::initStreams()
865 status_t status = UNKNOWN_ERROR;
867 int ret = 0, audio_ret = -1, video_ret = -1;
868 int pkt_in_play_range = 0;
869 AVDictionaryEntry *t = NULL;
870 AVDictionary **opts = NULL;
871 int orig_nb_streams = 0;
872 int st_index[AVMEDIA_TYPE_NB] = {0};
873 int wanted_stream[AVMEDIA_TYPE_NB] = {0};
874 st_index[AVMEDIA_TYPE_AUDIO] = -1;
875 st_index[AVMEDIA_TYPE_VIDEO] = -1;
876 wanted_stream[AVMEDIA_TYPE_AUDIO] = -1;
877 wanted_stream[AVMEDIA_TYPE_VIDEO] = -1;
878 const char *mime = NULL;
880 setFFmpegDefaultOpts();
882 status = initFFmpeg();
887 mFFmpegInited = true;
889 mFormatCtx = avformat_alloc_context();
892 ALOGE("oom for alloc avformat context");
896 mFormatCtx->interrupt_callback.callback = decode_interrupt_cb;
897 mFormatCtx->interrupt_callback.opaque = this;
898 ALOGV("mFilename: %s", mFilename);
899 err = avformat_open_input(&mFormatCtx, mFilename, NULL, &format_opts);
901 ALOGE("%s: avformat_open_input failed, err:%s", mFilename, av_err2str(err));
906 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
907 ALOGE("Option %s not found.\n", t->key);
908 //ret = AVERROR_OPTION_NOT_FOUND;
914 mFormatCtx->flags |= AVFMT_FLAG_GENPTS;
916 opts = setup_find_stream_info_opts(mFormatCtx, codec_opts);
917 orig_nb_streams = mFormatCtx->nb_streams;
919 err = avformat_find_stream_info(mFormatCtx, opts);
921 ALOGE("%s: could not find stream info, err:%s", mFilename, av_err2str(err));
925 for (i = 0; i < orig_nb_streams; i++)
926 av_dict_free(&opts[i]);
930 mFormatCtx->pb->eof_reached = 0; // FIXME hack, ffplay maybe should not use url_feof() to test for the end
932 if (mSeekByBytes < 0)
933 mSeekByBytes = !!(mFormatCtx->iformat->flags & AVFMT_TS_DISCONT)
934 && strcmp("ogg", mFormatCtx->iformat->name);
936 for (i = 0; i < (int)mFormatCtx->nb_streams; i++)
937 mFormatCtx->streams[i]->discard = AVDISCARD_ALL;
939 st_index[AVMEDIA_TYPE_VIDEO] =
940 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_VIDEO,
941 wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
943 st_index[AVMEDIA_TYPE_AUDIO] =
944 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_AUDIO,
945 wanted_stream[AVMEDIA_TYPE_AUDIO],
946 st_index[AVMEDIA_TYPE_VIDEO],
949 av_dump_format(mFormatCtx, 0, mFilename, 0);
952 if (mFormatCtx->duration != AV_NOPTS_VALUE &&
953 mFormatCtx->start_time != AV_NOPTS_VALUE) {
954 int hours, mins, secs, us;
956 ALOGV("file startTime: %lld", mFormatCtx->start_time);
958 mDuration = mFormatCtx->duration;
960 secs = mDuration / AV_TIME_BASE;
961 us = mDuration % AV_TIME_BASE;
966 ALOGI("the duration is %02d:%02d:%02d.%02d",
967 hours, mins, secs, (100 * us) / AV_TIME_BASE);
970 packet_queue_init(&mVideoQ);
971 packet_queue_init(&mAudioQ);
973 if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
974 audio_ret = stream_component_open(st_index[AVMEDIA_TYPE_AUDIO]);
976 packet_queue_start(&mAudioQ);
979 if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
980 video_ret = stream_component_open(st_index[AVMEDIA_TYPE_VIDEO]);
982 packet_queue_start(&mVideoQ);
985 if ( audio_ret < 0 && video_ret < 0) {
986 ALOGE("%s: could not open codecs\n", mFilename);
997 void FFmpegExtractor::deInitStreams()
999 packet_queue_destroy(&mVideoQ);
1000 packet_queue_destroy(&mAudioQ);
1003 avformat_close_input(&mFormatCtx);
1006 if (mFFmpegInited) {
1011 status_t FFmpegExtractor::startReaderThread() {
1012 ALOGV("Starting reader thread");
1014 if (mReaderThreadStarted)
1017 pthread_attr_t attr;
1018 pthread_attr_init(&attr);
1019 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
1021 ALOGD("Reader thread starting");
1023 pthread_create(&mReaderThread, &attr, ReaderWrapper, this);
1024 pthread_attr_destroy(&attr);
1026 mReaderThreadStarted = true;
1027 mCondition.signal();
1032 void FFmpegExtractor::stopReaderThread() {
1033 ALOGV("Stopping reader thread");
1037 if (!mReaderThreadStarted) {
1038 ALOGD("Reader thread have been stopped");
1044 mCondition.signal();
1046 /* close each stream */
1047 if (mAudioStreamIdx >= 0)
1048 stream_component_close(mAudioStreamIdx);
1049 if (mVideoStreamIdx >= 0)
1050 stream_component_close(mVideoStreamIdx);
1053 pthread_join(mReaderThread, NULL);
1057 avformat_close_input(&mFormatCtx);
1060 mReaderThreadStarted = false;
1061 ALOGD("Reader thread stopped");
1067 void *FFmpegExtractor::ReaderWrapper(void *me) {
1068 ((FFmpegExtractor *)me)->readerEntry();
1073 void FFmpegExtractor::readerEntry() {
1075 AVPacket pkt1, *pkt = &pkt1;
1077 int pkt_in_play_range = 0;
1081 pid_t tid = gettid();
1082 androidSetThreadPriority(tid,
1083 mVideoStreamIdx >= 0 ? ANDROID_PRIORITY_NORMAL : ANDROID_PRIORITY_AUDIO);
1084 prctl(PR_SET_NAME, (unsigned long)"FFmpegExtractor Thread", 0, 0, 0);
1086 ALOGV("FFmpegExtractor wait for signal");
1087 while (!mReaderThreadStarted && !mAbortRequest) {
1088 mCondition.wait(mLock);
1090 ALOGV("FFmpegExtractor ready to run");
1092 if (mAbortRequest) {
1096 mVideoEOSReceived = false;
1097 mAudioEOSReceived = false;
1099 while (!mAbortRequest) {
1101 if (mPaused != mLastPaused) {
1102 mLastPaused = mPaused;
1104 mReadPauseReturn = av_read_pause(mFormatCtx);
1106 av_read_play(mFormatCtx);
1108 #if CONFIG_RTSP_DEMUXER || CONFIG_MMSH_PROTOCOL
1110 (!strcmp(mFormatCtx->iformat->name, "rtsp") ||
1111 (mFormatCtx->pb && !strncmp(mFilename, "mmsh:", 5)))) {
1112 /* wait 10 ms to avoid trying to get another packet */
1119 if (mSeekIdx >= 0) {
1120 Mutex::Autolock _l(mLock);
1121 ALOGV("readerEntry, mSeekIdx: %d mSeekPos: %lld (%lld/%lld)", mSeekIdx, mSeekPos, mSeekMin, mSeekMax);
1122 ret = avformat_seek_file(mFormatCtx, -1, mSeekMin, mSeekPos, mSeekMax, 0);
1124 ALOGE("%s: error while seeking", mFormatCtx->filename);
1126 if (mAudioStreamIdx >= 0) {
1127 packet_queue_flush(&mAudioQ);
1128 packet_queue_put(&mAudioQ, &mAudioQ.flush_pkt);
1130 if (mVideoStreamIdx >= 0) {
1131 packet_queue_flush(&mVideoQ);
1132 packet_queue_put(&mVideoQ, &mVideoQ.flush_pkt);
1137 mCondition.signal();
1140 /* if the queue are full, no need to read more */
1141 if ( mAudioQ.size + mVideoQ.size > MAX_QUEUE_SIZE
1142 || ( (mAudioQ .size > MIN_AUDIOQ_SIZE || mAudioStreamIdx < 0)
1143 && (mVideoQ .nb_packets > MIN_FRAMES || mVideoStreamIdx < 0))) {
1144 #if DEBUG_READ_ENTRY
1145 ALOGV("readerEntry, full(wtf!!!), mVideoQ.size: %d, mVideoQ.nb_packets: %d, mAudioQ.size: %d, mAudioQ.nb_packets: %d",
1146 mVideoQ.size, mVideoQ.nb_packets, mAudioQ.size, mAudioQ.nb_packets);
1149 mExtractorMutex.lock();
1150 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1151 mExtractorMutex.unlock();
1156 if (mVideoStreamIdx >= 0) {
1157 packet_queue_put_nullpacket(&mVideoQ, mVideoStreamIdx);
1159 if (mAudioStreamIdx >= 0) {
1160 packet_queue_put_nullpacket(&mAudioQ, mAudioStreamIdx);
1163 mExtractorMutex.lock();
1164 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1166 mExtractorMutex.unlock();
1170 ret = av_read_frame(mFormatCtx, pkt);
1176 if (mFormatCtx->pb && mFormatCtx->pb->error) {
1177 ALOGE("mFormatCtx->pb->error: %d", mFormatCtx->pb->error);
1181 mExtractorMutex.lock();
1182 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1183 mExtractorMutex.unlock();
1187 if (pkt->stream_index == mVideoStreamIdx) {
1188 if (mDefersToCreateVideoTrack) {
1189 AVCodecContext *avctx = mFormatCtx->streams[mVideoStreamIdx]->codec;
1191 int i = parser_split(avctx, pkt->data, pkt->size);
1192 if (i > 0 && i < FF_MAX_EXTRADATA_SIZE) {
1193 if (avctx->extradata)
1194 av_freep(&avctx->extradata);
1195 avctx->extradata_size= i;
1196 avctx->extradata = (uint8_t *)av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
1197 if (!avctx->extradata) {
1198 //return AVERROR(ENOMEM);
1199 ret = AVERROR(ENOMEM);
1202 // sps + pps(there may be sei in it)
1203 memcpy(avctx->extradata, pkt->data, avctx->extradata_size);
1204 memset(avctx->extradata + i, 0, FF_INPUT_BUFFER_PADDING_SIZE);
1206 av_free_packet(pkt);
1210 stream_component_open(mVideoStreamIdx);
1211 if (!mDefersToCreateVideoTrack)
1212 ALOGI("probe packet counter: %d when create video track ok", mProbePkts);
1213 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1214 ALOGI("probe packet counter to max: %d, create video track: %d",
1215 mProbePkts, !mDefersToCreateVideoTrack);
1217 } else if (pkt->stream_index == mAudioStreamIdx) {
1221 AVCodecContext *avctx = mFormatCtx->streams[mAudioStreamIdx]->codec;
1222 if (mAudioBsfc && pkt && pkt->data) {
1223 ret = av_bitstream_filter_filter(mAudioBsfc, avctx, NULL, &outbuf, &outbuf_size,
1224 pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY);
1226 if (ret < 0 ||!outbuf_size) {
1227 av_free_packet(pkt);
1230 if (outbuf && outbuf != pkt->data) {
1231 memmove(pkt->data, outbuf, outbuf_size);
1232 pkt->size = outbuf_size;
1235 if (mDefersToCreateAudioTrack) {
1236 if (avctx->extradata_size <= 0) {
1237 av_free_packet(pkt);
1240 stream_component_open(mAudioStreamIdx);
1241 if (!mDefersToCreateAudioTrack)
1242 ALOGI("probe packet counter: %d when create audio track ok", mProbePkts);
1243 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1244 ALOGI("probe packet counter to max: %d, create audio track: %d",
1245 mProbePkts, !mDefersToCreateAudioTrack);
1249 if (pkt->stream_index == mAudioStreamIdx) {
1250 packet_queue_put(&mAudioQ, pkt);
1251 } else if (pkt->stream_index == mVideoStreamIdx) {
1252 packet_queue_put(&mVideoQ, pkt);
1254 av_free_packet(pkt);
1261 ALOGV("FFmpegExtractor exit thread(readerEntry)");
1264 ////////////////////////////////////////////////////////////////////////////////
1266 FFmpegSource::FFmpegSource(
1267 const sp<FFmpegExtractor> &extractor, size_t index)
1268 : mExtractor(extractor),
1272 mStream(mExtractor->mTracks.itemAt(index).mStream),
1273 mQueue(mExtractor->mTracks.itemAt(index).mQueue),
1274 mLastPTS(AV_NOPTS_VALUE),
1275 mTargetTime(AV_NOPTS_VALUE) {
1276 sp<MetaData> meta = mExtractor->mTracks.itemAt(index).mMeta;
1279 AVCodecContext *avctx = mStream->codec;
1281 /* Parse codec specific data */
1282 if (avctx->codec_id == AV_CODEC_ID_H264
1283 && avctx->extradata_size > 0
1284 && avctx->extradata[0] == 1) {
1290 CHECK(meta->findData(kKeyAVCC, &type, &data, &size));
1292 const uint8_t *ptr = (const uint8_t *)data;
1295 CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1
1297 // The number of bytes used to encode the length of a NAL unit.
1298 mNALLengthSize = 1 + (ptr[4] & 3);
1300 ALOGV("the stream is AVC, the length of a NAL unit: %d", mNALLengthSize);
1306 mMediaType = mStream->codec->codec_type;
1307 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1310 FFmpegSource::~FFmpegSource() {
1311 ALOGV("FFmpegSource::~FFmpegSource %s",
1312 av_get_media_type_string(mMediaType));
1316 status_t FFmpegSource::start(MetaData *params __unused) {
1317 ALOGV("FFmpegSource::start %s",
1318 av_get_media_type_string(mMediaType));
1322 status_t FFmpegSource::stop() {
1323 ALOGV("FFmpegSource::stop %s",
1324 av_get_media_type_string(mMediaType));
1328 sp<MetaData> FFmpegSource::getFormat() {
1329 return mExtractor->mTracks.itemAt(mTrackIndex).mMeta;;
1332 status_t FFmpegSource::read(
1333 MediaBuffer **buffer, const ReadOptions *options) {
1337 bool seeking = false;
1338 bool waitKeyPkt = false;
1339 ReadOptions::SeekMode mode;
1340 int64_t pktTS = AV_NOPTS_VALUE;
1341 int64_t seekTimeUs = AV_NOPTS_VALUE;
1342 int64_t timeUs = AV_NOPTS_VALUE;
1344 status_t status = OK;
1346 int64_t startTimeUs = mStream->start_time == AV_NOPTS_VALUE ? 0 :
1347 av_rescale_q(mStream->start_time, mStream->time_base, AV_TIME_BASE_Q);
1349 if (options && options->getSeekTo(&seekTimeUs, &mode)) {
1350 int64_t seekPTS = seekTimeUs;
1351 ALOGV("~~~%s seekTimeUs: %lld, seekPTS: %lld, mode: %d", av_get_media_type_string(mMediaType), seekTimeUs, seekPTS, mode);
1352 /* add the stream start time */
1353 if (mStream->start_time != AV_NOPTS_VALUE) {
1354 seekPTS += startTimeUs;
1356 ALOGV("~~~%s seekTimeUs[+startTime]: %lld, mode: %d start_time=%lld", av_get_media_type_string(mMediaType), seekPTS, mode, startTimeUs);
1357 seeking = (mExtractor->stream_seek(seekPTS, mMediaType, mode) == SEEK);
1361 if (packet_queue_get(mQueue, &pkt, 1) < 0) {
1362 ALOGD("read %s abort reqeust", av_get_media_type_string(mMediaType));
1363 mExtractor->reachedEOS(mMediaType);
1364 return ERROR_END_OF_STREAM;
1368 if (pkt.data != mQueue->flush_pkt.data) {
1369 av_free_packet(&pkt);
1373 #if WAIT_KEY_PACKET_AFTER_SEEK
1379 if (pkt.data == mQueue->flush_pkt.data) {
1380 ALOGV("read %s flush pkt", av_get_media_type_string(mMediaType));
1381 av_free_packet(&pkt);
1382 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1384 } else if (pkt.data == NULL && pkt.size == 0) {
1385 ALOGD("read %s eos pkt", av_get_media_type_string(mMediaType));
1386 av_free_packet(&pkt);
1387 mExtractor->reachedEOS(mMediaType);
1388 return ERROR_END_OF_STREAM;
1391 key = pkt.flags & AV_PKT_FLAG_KEY ? 1 : 0;
1392 pktTS = pkt.pts == AV_NOPTS_VALUE ? pkt.dts : pkt.pts;
1396 ALOGV("drop the non-key packet");
1397 av_free_packet(&pkt);
1400 ALOGV("~~~~~~ got the key packet");
1405 if (pktTS != AV_NOPTS_VALUE && mFirstKeyPktTimestamp == AV_NOPTS_VALUE) {
1406 // update the first key timestamp
1407 mFirstKeyPktTimestamp = pktTS;
1410 MediaBuffer *mediaBuffer = new MediaBuffer(pkt.size + FF_INPUT_BUFFER_PADDING_SIZE);
1411 mediaBuffer->meta_data()->clear();
1412 mediaBuffer->set_range(0, pkt.size);
1415 if (mIsAVC && mNal2AnnexB) {
1416 /* This only works for NAL sizes 3-4 */
1417 CHECK(mNALLengthSize == 3 || mNALLengthSize == 4);
1419 uint8_t *dst = (uint8_t *)mediaBuffer->data();
1420 /* Convert H.264 NAL format to annex b */
1421 status = convertNal2AnnexB(dst, pkt.size, pkt.data, pkt.size, mNALLengthSize);
1423 ALOGE("convertNal2AnnexB failed");
1424 mediaBuffer->release();
1426 av_free_packet(&pkt);
1427 return ERROR_MALFORMED;
1430 memcpy(mediaBuffer->data(), pkt.data, pkt.size);
1433 if (pktTS != AV_NOPTS_VALUE)
1434 timeUs = av_rescale_q(pktTS, mStream->time_base, AV_TIME_BASE_Q) - startTimeUs;
1436 timeUs = SF_NOPTS_VALUE; //FIXME AV_NOPTS_VALUE is negative, but stagefright need positive
1438 // predict the next PTS to use for exact-frame seek below
1439 int64_t nextPTS = AV_NOPTS_VALUE;
1440 if (mLastPTS != AV_NOPTS_VALUE && timeUs > mLastPTS) {
1441 nextPTS = timeUs + (timeUs - mLastPTS);
1443 } else if (mLastPTS == AV_NOPTS_VALUE) {
1448 if (pktTS != AV_NOPTS_VALUE)
1449 ALOGV("read %s pkt, size:%d, key:%d, pktPTS: %lld, pts:%lld, dts:%lld, timeUs[-startTime]:%lld us (%.2f secs) start_time=%lld",
1450 av_get_media_type_string(mMediaType), pkt.size, key, pktTS, pkt.pts, pkt.dts, timeUs, timeUs/1E6, startTimeUs);
1452 ALOGV("read %s pkt, size:%d, key:%d, pts:N/A, dts:N/A, timeUs[-startTime]:N/A",
1453 av_get_media_type_string(mMediaType), pkt.size, key);
1456 mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs);
1457 mediaBuffer->meta_data()->setInt32(kKeyIsSyncFrame, key);
1459 // deal with seek-to-exact-frame, we might be off a bit and Stagefright will assert on us
1460 if (seekTimeUs != AV_NOPTS_VALUE && timeUs < seekTimeUs &&
1461 mode == MediaSource::ReadOptions::SEEK_CLOSEST) {
1462 mTargetTime = seekTimeUs;
1463 mediaBuffer->meta_data()->setInt64(kKeyTargetTime, seekTimeUs);
1466 if (mTargetTime != AV_NOPTS_VALUE) {
1467 if (timeUs == mTargetTime) {
1468 mTargetTime = AV_NOPTS_VALUE;
1469 } else if (nextPTS != AV_NOPTS_VALUE && nextPTS > mTargetTime) {
1470 ALOGV("adjust target frame time to %lld", timeUs);
1471 mediaBuffer->meta_data()->setInt64(kKeyTime, mTargetTime);
1472 mTargetTime = AV_NOPTS_VALUE;
1476 *buffer = mediaBuffer;
1478 av_free_packet(&pkt);
1483 ////////////////////////////////////////////////////////////////////////////////
1487 const char *container;
1490 static formatmap FILE_FORMATS[] = {
1491 {"mpeg", MEDIA_MIMETYPE_CONTAINER_MPEG2PS },
1492 {"mpegts", MEDIA_MIMETYPE_CONTAINER_TS },
1493 {"mov,mp4,m4a,3gp,3g2,mj2", MEDIA_MIMETYPE_CONTAINER_MPEG4 },
1494 {"matroska,webm", MEDIA_MIMETYPE_CONTAINER_MATROSKA },
1495 {"asf", MEDIA_MIMETYPE_CONTAINER_ASF },
1496 {"rm", MEDIA_MIMETYPE_CONTAINER_RM },
1497 {"flv", MEDIA_MIMETYPE_CONTAINER_FLV },
1498 {"swf", MEDIA_MIMETYPE_CONTAINER_FLV },
1499 {"avi", MEDIA_MIMETYPE_CONTAINER_AVI },
1500 {"ape", MEDIA_MIMETYPE_CONTAINER_APE },
1501 {"dts", MEDIA_MIMETYPE_CONTAINER_DTS },
1502 {"flac", MEDIA_MIMETYPE_CONTAINER_FLAC },
1503 {"ac3", MEDIA_MIMETYPE_AUDIO_AC3 },
1504 {"mp3", MEDIA_MIMETYPE_AUDIO_MPEG },
1505 {"wav", MEDIA_MIMETYPE_CONTAINER_WAV },
1506 {"ogg", MEDIA_MIMETYPE_CONTAINER_OGG },
1507 {"vc1", MEDIA_MIMETYPE_CONTAINER_VC1 },
1508 {"hevc", MEDIA_MIMETYPE_CONTAINER_HEVC },
1509 {"divx", MEDIA_MIMETYPE_CONTAINER_DIVX },
1512 static AVCodecContext* getCodecContext(AVFormatContext *ic, AVMediaType codec_type)
1514 unsigned int idx = 0;
1515 AVCodecContext *avctx = NULL;
1517 for (idx = 0; idx < ic->nb_streams; idx++) {
1518 if (ic->streams[idx]->disposition & AV_DISPOSITION_ATTACHED_PIC) {
1519 // FFMPEG converts album art to MJPEG, but we don't want to
1520 // include that in the parsing as MJPEG is not supported by
1521 // Android, which forces the media to be extracted by FFMPEG
1522 // while in fact, Android supports it.
1526 avctx = ic->streams[idx]->codec;
1527 if (avctx->codec_type == codec_type) {
1535 static enum AVCodecID getCodecId(AVFormatContext *ic, AVMediaType codec_type)
1537 AVCodecContext *avctx = getCodecContext(ic, codec_type);
1538 return avctx == NULL ? AV_CODEC_ID_NONE : avctx->codec_id;
1541 static bool hasAudioCodecOnly(AVFormatContext *ic)
1543 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1544 bool haveVideo = false;
1545 bool haveAudio = false;
1547 if (getCodecId(ic, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
1550 if (getCodecId(ic, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
1554 if (!haveVideo && haveAudio) {
1561 //FIXME all codecs: frameworks/av/media/libstagefright/codecs/*
1562 static bool isCodecSupportedByStagefright(enum AVCodecID codec_id)
1564 bool supported = false;
1568 case AV_CODEC_ID_HEVC:
1569 case AV_CODEC_ID_H264:
1570 case AV_CODEC_ID_MPEG4:
1571 case AV_CODEC_ID_H263:
1572 case AV_CODEC_ID_H263P:
1573 case AV_CODEC_ID_H263I:
1574 case AV_CODEC_ID_VP6:
1575 case AV_CODEC_ID_VP8:
1576 case AV_CODEC_ID_VP9:
1578 case AV_CODEC_ID_AAC:
1579 case AV_CODEC_ID_MP3:
1580 case AV_CODEC_ID_AMR_NB:
1581 case AV_CODEC_ID_AMR_WB:
1582 case AV_CODEC_ID_FLAC:
1583 case AV_CODEC_ID_VORBIS:
1584 case AV_CODEC_ID_PCM_MULAW: //g711
1585 case AV_CODEC_ID_PCM_ALAW: //g711
1586 case AV_CODEC_ID_GSM_MS:
1587 case AV_CODEC_ID_PCM_U8:
1588 case AV_CODEC_ID_PCM_S16LE:
1589 case AV_CODEC_ID_PCM_S24LE:
1597 ALOGD("%ssuppoted codec(%s) by official Stagefright",
1598 (supported ? "" : "un"),
1599 avcodec_get_name(codec_id));
1604 static void adjustMPEG4Confidence(AVFormatContext *ic, float *confidence)
1606 AVDictionary *tags = NULL;
1607 AVDictionaryEntry *tag = NULL;
1608 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1611 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1612 if (codec_id != AV_CODEC_ID_NONE
1613 && codec_id != AV_CODEC_ID_HEVC
1614 && codec_id != AV_CODEC_ID_H264
1615 && codec_id != AV_CODEC_ID_MPEG4
1616 && codec_id != AV_CODEC_ID_H263
1617 && codec_id != AV_CODEC_ID_H263P
1618 && codec_id != AV_CODEC_ID_H263I) {
1619 //the MEDIA_MIMETYPE_CONTAINER_MPEG4 of confidence is 0.4f
1620 ALOGI("[mp4]video codec(%s), confidence should be larger than MPEG4Extractor",
1621 avcodec_get_name(codec_id));
1622 *confidence = 0.41f;
1625 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1626 if (codec_id != AV_CODEC_ID_NONE
1627 && codec_id != AV_CODEC_ID_MP3
1628 && codec_id != AV_CODEC_ID_AAC
1629 && codec_id != AV_CODEC_ID_AMR_NB
1630 && codec_id != AV_CODEC_ID_AMR_WB) {
1631 ALOGI("[mp4]audio codec(%s), confidence should be larger than MPEG4Extractor",
1632 avcodec_get_name(codec_id));
1633 *confidence = 0.41f;
1637 tags = ic->metadata;
1638 //NOTE: You can use command to show these tags,
1639 //e.g. "ffprobe -show_format 2012.mov"
1640 tag = av_dict_get(tags, "major_brand", NULL, 0);
1645 ALOGV("major_brand tag is:%s", tag->value);
1647 //when MEDIA_MIMETYPE_CONTAINER_MPEG4
1648 //WTF, MPEG4Extractor.cpp can not extractor mov format
1649 //NOTE: isCompatibleBrand(MPEG4Extractor.cpp)
1650 // Won't promise that the following file types can be played.
1651 // Just give these file types a chance.
1652 // FOURCC('q', 't', ' ', ' '), // Apple's QuickTime
1654 if (!strcmp(tag->value, "qt ")) {
1655 ALOGI("[mp4]format is mov, confidence should be larger than mpeg4");
1656 *confidence = 0.41f;
1660 static void adjustMPEG2TSConfidence(AVFormatContext *ic, float *confidence)
1662 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1664 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1665 if (codec_id != AV_CODEC_ID_NONE
1666 && codec_id != AV_CODEC_ID_H264
1667 && codec_id != AV_CODEC_ID_MPEG4
1668 && codec_id != AV_CODEC_ID_MPEG1VIDEO
1669 && codec_id != AV_CODEC_ID_MPEG2VIDEO) {
1670 //the MEDIA_MIMETYPE_CONTAINER_MPEG2TS of confidence is 0.1f
1671 ALOGI("[mpeg2ts]video codec(%s), confidence should be larger than MPEG2TSExtractor",
1672 avcodec_get_name(codec_id));
1673 *confidence = 0.11f;
1676 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1677 if (codec_id != AV_CODEC_ID_NONE
1678 && codec_id != AV_CODEC_ID_AAC
1679 && codec_id != AV_CODEC_ID_PCM_S16LE
1680 && codec_id != AV_CODEC_ID_PCM_S24LE
1681 && codec_id != AV_CODEC_ID_MP1
1682 && codec_id != AV_CODEC_ID_MP2
1683 && codec_id != AV_CODEC_ID_MP3) {
1684 ALOGI("[mpeg2ts]audio codec(%s), confidence should be larger than MPEG2TSExtractor",
1685 avcodec_get_name(codec_id));
1686 *confidence = 0.11f;
1690 static void adjustMKVConfidence(AVFormatContext *ic, float *confidence)
1692 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1694 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1695 if (codec_id != AV_CODEC_ID_NONE
1696 && codec_id != AV_CODEC_ID_H264
1697 && codec_id != AV_CODEC_ID_MPEG4
1698 && codec_id != AV_CODEC_ID_VP6
1699 && codec_id != AV_CODEC_ID_VP8
1700 && codec_id != AV_CODEC_ID_VP9) {
1701 //the MEDIA_MIMETYPE_CONTAINER_MATROSKA of confidence is 0.6f
1702 ALOGI("[mkv]video codec(%s), confidence should be larger than MatroskaExtractor",
1703 avcodec_get_name(codec_id));
1704 *confidence = 0.61f;
1707 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1708 if (codec_id != AV_CODEC_ID_NONE
1709 && codec_id != AV_CODEC_ID_AAC
1710 && codec_id != AV_CODEC_ID_MP3
1711 && codec_id != AV_CODEC_ID_VORBIS) {
1712 ALOGI("[mkv]audio codec(%s), confidence should be larger than MatroskaExtractor",
1713 avcodec_get_name(codec_id));
1714 *confidence = 0.61f;
1718 static void adjustCodecConfidence(AVFormatContext *ic, float *confidence)
1720 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1722 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1723 if (codec_id != AV_CODEC_ID_NONE) {
1724 if (!isCodecSupportedByStagefright(codec_id)) {
1725 *confidence = 0.88f;
1729 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1730 if (codec_id != AV_CODEC_ID_NONE) {
1731 if (!isCodecSupportedByStagefright(codec_id)) {
1732 *confidence = 0.88f;
1736 if (getCodecId(ic, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE
1737 && getCodecId(ic, AVMEDIA_TYPE_AUDIO) == AV_CODEC_ID_MP3) {
1738 *confidence = 0.22f; //larger than MP3Extractor
1742 //TODO need more checks
1743 static void adjustConfidenceIfNeeded(const char *mime,
1744 AVFormatContext *ic, float *confidence)
1747 if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4)) {
1748 adjustMPEG4Confidence(ic, confidence);
1749 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2TS)) {
1750 adjustMPEG2TSConfidence(ic, confidence);
1751 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA)) {
1752 adjustMKVConfidence(ic, confidence);
1757 if (*confidence > 0.08) {
1762 adjustCodecConfidence(ic, confidence);
1765 static void adjustContainerIfNeeded(const char **mime, AVFormatContext *ic)
1767 const char *newMime = *mime;
1768 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1770 AVCodecContext *avctx = getCodecContext(ic, AVMEDIA_TYPE_VIDEO);
1771 if (avctx != NULL && getDivXVersion(avctx) >= 0) {
1772 newMime = MEDIA_MIMETYPE_VIDEO_DIVX;
1774 } else if (hasAudioCodecOnly(ic)) {
1775 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1776 CHECK(codec_id != AV_CODEC_ID_NONE);
1778 case AV_CODEC_ID_MP3:
1779 newMime = MEDIA_MIMETYPE_AUDIO_MPEG;
1781 case AV_CODEC_ID_AAC:
1782 newMime = MEDIA_MIMETYPE_AUDIO_AAC;
1784 case AV_CODEC_ID_VORBIS:
1785 newMime = MEDIA_MIMETYPE_AUDIO_VORBIS;
1787 case AV_CODEC_ID_FLAC:
1788 newMime = MEDIA_MIMETYPE_AUDIO_FLAC;
1790 case AV_CODEC_ID_AC3:
1791 newMime = MEDIA_MIMETYPE_AUDIO_AC3;
1793 case AV_CODEC_ID_APE:
1794 newMime = MEDIA_MIMETYPE_AUDIO_APE;
1796 case AV_CODEC_ID_DTS:
1797 newMime = MEDIA_MIMETYPE_AUDIO_DTS;
1799 case AV_CODEC_ID_MP2:
1800 newMime = MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II;
1802 case AV_CODEC_ID_COOK:
1803 newMime = MEDIA_MIMETYPE_AUDIO_RA;
1805 case AV_CODEC_ID_WMAV1:
1806 case AV_CODEC_ID_WMAV2:
1807 case AV_CODEC_ID_WMAPRO:
1808 case AV_CODEC_ID_WMALOSSLESS:
1809 newMime = MEDIA_MIMETYPE_AUDIO_WMA;
1815 if (!strcmp(*mime, MEDIA_MIMETYPE_CONTAINER_FFMPEG)) {
1816 newMime = MEDIA_MIMETYPE_AUDIO_FFMPEG;
1820 if (strcmp(*mime, newMime)) {
1821 ALOGI("adjust mime(%s -> %s)", *mime, newMime);
1826 static const char *findMatchingContainer(const char *name)
1829 #if SUPPOURT_UNKNOWN_FORMAT
1830 //The FFmpegExtractor support all ffmpeg formats!!!
1831 //Unknown format is defined as MEDIA_MIMETYPE_CONTAINER_FFMPEG
1832 const char *container = MEDIA_MIMETYPE_CONTAINER_FFMPEG;
1834 const char *container = NULL;
1837 ALOGV("list the formats suppoted by ffmpeg: ");
1838 ALOGV("========================================");
1839 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1840 ALOGV("format_names[%02d]: %s", i, FILE_FORMATS[i].format);
1842 ALOGV("========================================");
1844 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1845 int len = strlen(FILE_FORMATS[i].format);
1846 if (!strncasecmp(name, FILE_FORMATS[i].format, len)) {
1847 container = FILE_FORMATS[i].container;
1855 static const char *SniffFFMPEGCommon(const char *url, float *confidence, bool fastMPEG4)
1859 size_t nb_streams = 0;
1860 const char *container = NULL;
1861 AVFormatContext *ic = NULL;
1862 AVDictionary **opts = NULL;
1864 status_t status = initFFmpeg();
1866 ALOGE("could not init ffmpeg");
1870 ic = avformat_alloc_context();
1873 ALOGE("oom for alloc avformat context");
1877 err = avformat_open_input(&ic, url, NULL, NULL);
1880 ALOGE("%s: avformat_open_input failed, err:%s", url, av_err2str(err));
1884 if (ic->iformat != NULL && ic->iformat->name != NULL &&
1885 findMatchingContainer(ic->iformat->name) != NULL &&
1886 !strcasecmp(findMatchingContainer(ic->iformat->name),
1887 MEDIA_MIMETYPE_CONTAINER_MPEG4)) {
1889 container = findMatchingContainer(ic->iformat->name);
1894 opts = setup_find_stream_info_opts(ic, codec_opts);
1895 nb_streams = ic->nb_streams;
1896 err = avformat_find_stream_info(ic, opts);
1898 ALOGE("%s: could not find stream info, err:%s", url, av_err2str(err));
1901 for (i = 0; i < nb_streams; i++) {
1902 av_dict_free(&opts[i]);
1906 av_dump_format(ic, 0, url, 0);
1908 ALOGD("FFmpegExtrator, url: %s, format_name: %s, format_long_name: %s",
1909 url, ic->iformat->name, ic->iformat->long_name);
1911 container = findMatchingContainer(ic->iformat->name);
1913 adjustContainerIfNeeded(&container, ic);
1914 adjustConfidenceIfNeeded(container, ic, confidence);
1919 avformat_close_input(&ic);
1928 static const char *BetterSniffFFMPEG(const sp<DataSource> &source,
1929 float *confidence, sp<AMessage> meta)
1931 const char *ret = NULL;
1932 char url[PATH_MAX] = {0};
1934 ALOGI("android-source:%p", source.get());
1936 // pass the addr of smart pointer("source")
1937 snprintf(url, sizeof(url), "android-source:%p", source.get());
1939 ret = SniffFFMPEGCommon(url, confidence, (source->flags() & DataSource::kIsCachingDataSource));
1941 meta->setString("extended-extractor-url", url);
1947 static const char *LegacySniffFFMPEG(const sp<DataSource> &source,
1948 float *confidence, sp<AMessage> meta)
1950 const char *ret = NULL;
1951 char url[PATH_MAX] = {0};
1953 String8 uri = source->getUri();
1954 if (!uri.string()) {
1958 ALOGV("source url:%s", uri.string());
1960 // pass the addr of smart pointer("source") + file name
1961 snprintf(url, sizeof(url), "android-source:%p|file:%s", source.get(), uri.string());
1963 ret = SniffFFMPEGCommon(url, confidence, false);
1965 meta->setString("extended-extractor-url", url);
1972 const sp<DataSource> &source, String8 *mimeType, float *confidence,
1973 sp<AMessage> *meta) {
1974 ALOGV("SniffFFMPEG");
1976 *meta = new AMessage;
1977 *confidence = 0.08f; // be the last resort, by default
1979 const char *container = BetterSniffFFMPEG(source, confidence, *meta);
1981 ALOGW("sniff through BetterSniffFFMPEG failed, try LegacySniffFFMPEG");
1982 container = LegacySniffFFMPEG(source, confidence, *meta);
1984 ALOGV("sniff through LegacySniffFFMPEG success");
1987 ALOGV("sniff through BetterSniffFFMPEG success");
1990 if (container == NULL) {
1991 ALOGD("SniffFFMPEG failed to sniff this source");
1997 ALOGD("ffmpeg detected media content as '%s' with confidence %.2f",
1998 container, *confidence);
2000 /* use MPEG4Extractor(not extended extractor) for HTTP source only */
2001 if (!strcasecmp(container, MEDIA_MIMETYPE_CONTAINER_MPEG4)
2002 && (source->flags() & DataSource::kIsCachingDataSource)) {
2003 ALOGI("support container: %s, but it is caching data source, "
2004 "Don't use ffmpegextractor", container);
2010 mimeType->setTo(container);
2012 (*meta)->setString("extended-extractor", "extended-extractor");
2013 (*meta)->setString("extended-extractor-subtype", "ffmpegextractor");
2014 (*meta)->setString("extended-extractor-mime", container);
2017 char value[PROPERTY_VALUE_MAX];
2018 property_get("sys.media.parser.ffmpeg", value, "0");
2020 ALOGD("[debug] use ffmpeg parser");
2021 *confidence = 0.88f;
2024 if (*confidence > 0.08f) {
2025 (*meta)->setString("extended-extractor-use", "ffmpegextractor");
2031 MediaExtractor *CreateFFmpegExtractor(const sp<DataSource> &source, const char *mime, const sp<AMessage> &meta) {
2032 MediaExtractor *ret = NULL;
2034 if (meta.get() && meta->findString("extended-extractor", ¬use) && (
2035 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG) ||
2036 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC) ||
2037 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS) ||
2038 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC) ||
2039 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AC3) ||
2040 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_APE) ||
2041 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_DTS) ||
2042 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II) ||
2043 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RA) ||
2044 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_WMA) ||
2045 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FFMPEG) ||
2046 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4) ||
2047 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MOV) ||
2048 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA) ||
2049 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_TS) ||
2050 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2PS) ||
2051 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_AVI) ||
2052 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_ASF) ||
2053 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WEBM) ||
2054 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WMV) ||
2055 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPG) ||
2056 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FLV) ||
2057 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_DIVX) ||
2058 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_RM) ||
2059 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WAV) ||
2060 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FLAC) ||
2061 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_APE) ||
2062 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_DTS) ||
2063 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MP2) ||
2064 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_RA) ||
2065 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_OGG) ||
2066 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_VC1) ||
2067 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_HEVC) ||
2068 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WMA) ||
2069 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FFMPEG))) {
2070 ret = new FFmpegExtractor(source, meta);
2073 ALOGD("%ssupported mime: %s", (ret ? "" : "un"), mime);
2077 } // namespace android
2079 extern "C" void getExtractorPlugin(android::MediaExtractor::Plugin *plugin)
2081 plugin->sniff = android::SniffFFMPEG;
2082 plugin->create = android::CreateFFmpegExtractor;