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.");
429 if (avctx->sample_aspect_ratio.num == 0)
432 aspect_ratio = av_q2d(avctx->sample_aspect_ratio);
434 if (aspect_ratio <= 0.0)
436 aspect_ratio *= (float)avctx->width / (float)avctx->height;
438 /* XXX: we suppose the screen has a 1.0 pixel ratio */
439 height = avctx->height;
440 width = ((int)rint(height * aspect_ratio)) & ~1;
442 ALOGI("width: %d, height: %d, bit_rate: %d aspect ratio: %f",
443 avctx->width, avctx->height, avctx->bit_rate, aspect_ratio);
445 meta->setInt32(kKeyWidth, avctx->width);
446 meta->setInt32(kKeyHeight, avctx->height);
447 if ((width > 0) && (height > 0) &&
448 ((avctx->width != width || avctx->height != height))) {
449 meta->setInt32(kKeySARWidth, width);
450 meta->setInt32(kKeySARHeight, height);
451 ALOGI("SAR width: %d, SAR height: %d", width, height);
453 if (avctx->bit_rate > 0) {
454 meta->setInt32(kKeyBitRate, avctx->bit_rate);
456 setDurationMetaData(stream, meta);
462 sp<MetaData> FFmpegExtractor::setAudioFormat(AVStream *stream)
464 AVCodecContext *avctx = NULL;
465 sp<MetaData> meta = NULL;
467 avctx = stream->codec;
468 CHECK_EQ(avctx->codec_type, AVMEDIA_TYPE_AUDIO);
470 switch(avctx->codec_id) {
471 case AV_CODEC_ID_MP2:
472 meta = setMP2Format(avctx);
474 case AV_CODEC_ID_MP3:
475 meta = setMP3Format(avctx);
477 case AV_CODEC_ID_VORBIS:
478 meta = setVORBISFormat(avctx);
480 case AV_CODEC_ID_AC3:
481 meta = setAC3Format(avctx);
483 case AV_CODEC_ID_AAC:
484 meta = setAACFormat(avctx);
486 case AV_CODEC_ID_WMAV1:
487 meta = setWMAV1Format(avctx);
489 case AV_CODEC_ID_WMAV2:
490 meta = setWMAV2Format(avctx);
492 case AV_CODEC_ID_WMAPRO:
493 meta = setWMAProFormat(avctx);
495 case AV_CODEC_ID_WMALOSSLESS:
496 meta = setWMALossLessFormat(avctx);
498 case AV_CODEC_ID_COOK:
499 meta = setRAFormat(avctx);
501 case AV_CODEC_ID_APE:
502 meta = setAPEFormat(avctx);
504 case AV_CODEC_ID_DTS:
505 meta = setDTSFormat(avctx);
507 case AV_CODEC_ID_FLAC:
508 meta = setFLACFormat(avctx);
511 ALOGD("unsuppoted audio codec(id:%d, name:%s), but give it a chance",
512 avctx->codec_id, avcodec_get_name(avctx->codec_id));
514 meta->setInt32(kKeyCodecId, avctx->codec_id);
515 meta->setInt32(kKeyCodedSampleBits, avctx->bits_per_coded_sample);
516 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_FFMPEG);
517 if (avctx->extradata_size > 0) {
518 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
520 //CHECK(!"Should not be here. Unsupported codec.");
525 ALOGD("bit_rate: %d, sample_rate: %d, channels: %d, "
526 "bits_per_coded_sample: %d, block_align: %d "
527 "bits_per_raw_sample: %d, sample_format: %d",
528 avctx->bit_rate, avctx->sample_rate, avctx->channels,
529 avctx->bits_per_coded_sample, avctx->block_align,
530 avctx->bits_per_raw_sample, avctx->sample_fmt);
532 meta->setInt32(kKeyChannelCount, avctx->channels);
533 meta->setInt32(kKeyBitRate, avctx->bit_rate);
534 int32_t bits = avctx->bits_per_raw_sample > 0 ?
535 avctx->bits_per_raw_sample :
536 av_get_bytes_per_sample(avctx->sample_fmt) * 8;
537 meta->setInt32(kKeyBitsPerSample, bits > 0 ? bits : 16);
538 meta->setInt32(kKeySampleRate, avctx->sample_rate);
539 meta->setInt32(kKeyBlockAlign, avctx->block_align);
540 meta->setInt32(kKeySampleFormat, avctx->sample_fmt);
541 meta->setInt32('pfmt', to_android_audio_format(avctx->sample_fmt));
542 setDurationMetaData(stream, meta);
548 void FFmpegExtractor::setDurationMetaData(AVStream *stream, sp<MetaData> &meta)
550 AVCodecContext *avctx = stream->codec;
552 if (stream->duration != AV_NOPTS_VALUE) {
553 int64_t duration = av_rescale_q(stream->duration, stream->time_base, AV_TIME_BASE_Q);
555 const char *s = av_get_media_type_string(avctx->codec_type);
556 if (stream->start_time != AV_NOPTS_VALUE) {
557 ALOGV("%s startTime:%lld", s, stream->start_time);
559 ALOGV("%s startTime:N/A", s);
561 meta->setInt64(kKeyDuration, duration);
563 // default when no stream duration
564 meta->setInt64(kKeyDuration, mFormatCtx->duration);
568 int FFmpegExtractor::stream_component_open(int stream_index)
570 TrackInfo *trackInfo = NULL;
571 AVCodecContext *avctx = NULL;
572 sp<MetaData> meta = NULL;
573 bool supported = false;
575 const void *data = NULL;
579 ALOGI("stream_index: %d", stream_index);
580 if (stream_index < 0 || stream_index >= (int)mFormatCtx->nb_streams)
582 avctx = mFormatCtx->streams[stream_index]->codec;
584 supported = is_codec_supported(avctx->codec_id);
587 ALOGE("unsupport the codec(%s)", avcodec_get_name(avctx->codec_id));
589 } else if (mFormatCtx->streams[stream_index]->disposition & AV_DISPOSITION_ATTACHED_PIC) {
590 ALOGD("not opening attached picture(%s)", avcodec_get_name(avctx->codec_id));
593 ALOGI("support the codec(%s)", avcodec_get_name(avctx->codec_id));
596 for (size_t i = 0; i < mTracks.size(); ++i) {
597 if (stream_index == mTracks.editItemAt(i).mIndex) {
598 ALOGE("this track already exists");
603 mFormatCtx->streams[stream_index]->discard = AVDISCARD_DEFAULT;
606 av_get_codec_tag_string(tagbuf, sizeof(tagbuf), avctx->codec_tag);
607 ALOGV("Tag %s/0x%08x with codec(%s)\n", tagbuf, avctx->codec_tag, avcodec_get_name(avctx->codec_id));
609 switch (avctx->codec_type) {
610 case AVMEDIA_TYPE_VIDEO:
611 if (mVideoStreamIdx == -1)
612 mVideoStreamIdx = stream_index;
613 if (mVideoStream == NULL)
614 mVideoStream = mFormatCtx->streams[stream_index];
616 ret = check_extradata(avctx);
619 // disable the stream
620 mVideoStreamIdx = -1;
622 packet_queue_flush(&mVideoQ);
623 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
628 if (avctx->extradata) {
629 ALOGV("video stream extradata:");
630 hexdump(avctx->extradata, avctx->extradata_size);
632 ALOGV("video stream no extradata, but we can ignore it.");
635 meta = setVideoFormat(mVideoStream);
637 ALOGE("setVideoFormat failed");
641 ALOGV("create a video track");
643 trackInfo = &mTracks.editItemAt(mTracks.size() - 1);
644 trackInfo->mIndex = stream_index;
645 trackInfo->mMeta = meta;
646 trackInfo->mStream = mVideoStream;
647 trackInfo->mQueue = &mVideoQ;
649 mDefersToCreateVideoTrack = false;
652 case AVMEDIA_TYPE_AUDIO:
653 if (mAudioStreamIdx == -1)
654 mAudioStreamIdx = stream_index;
655 if (mAudioStream == NULL)
656 mAudioStream = mFormatCtx->streams[stream_index];
658 ret = check_extradata(avctx);
661 // disable the stream
662 mAudioStreamIdx = -1;
664 packet_queue_flush(&mAudioQ);
665 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
670 if (avctx->extradata) {
671 ALOGV("audio stream extradata(%d):", avctx->extradata_size);
672 hexdump(avctx->extradata, avctx->extradata_size);
674 ALOGV("audio stream no extradata, but we can ignore it.");
677 meta = setAudioFormat(mAudioStream);
679 ALOGE("setAudioFormat failed");
683 ALOGV("create a audio track");
685 trackInfo = &mTracks.editItemAt(mTracks.size() - 1);
686 trackInfo->mIndex = stream_index;
687 trackInfo->mMeta = meta;
688 trackInfo->mStream = mAudioStream;
689 trackInfo->mQueue = &mAudioQ;
691 mDefersToCreateAudioTrack = false;
694 case AVMEDIA_TYPE_SUBTITLE:
696 CHECK(!"Should not be here. Unsupported media type.");
699 CHECK(!"Should not be here. Unsupported media type.");
705 void FFmpegExtractor::stream_component_close(int stream_index)
707 AVCodecContext *avctx;
709 if (stream_index < 0 || stream_index >= (int)mFormatCtx->nb_streams)
711 avctx = mFormatCtx->streams[stream_index]->codec;
713 switch (avctx->codec_type) {
714 case AVMEDIA_TYPE_VIDEO:
715 ALOGV("packet_queue_abort videoq");
716 packet_queue_abort(&mVideoQ);
717 ALOGV("packet_queue_end videoq");
718 packet_queue_flush(&mVideoQ);
720 case AVMEDIA_TYPE_AUDIO:
721 ALOGV("packet_queue_abort audioq");
722 packet_queue_abort(&mAudioQ);
723 ALOGV("packet_queue_end audioq");
724 packet_queue_flush(&mAudioQ);
726 case AVMEDIA_TYPE_SUBTITLE:
732 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
733 switch (avctx->codec_type) {
734 case AVMEDIA_TYPE_VIDEO:
736 mVideoStreamIdx = -1;
738 av_bitstream_filter_close(mVideoBsfc);
742 case AVMEDIA_TYPE_AUDIO:
744 mAudioStreamIdx = -1;
746 av_bitstream_filter_close(mAudioBsfc);
750 case AVMEDIA_TYPE_SUBTITLE:
757 void FFmpegExtractor::reachedEOS(enum AVMediaType media_type)
759 Mutex::Autolock autoLock(mLock);
761 if (media_type == AVMEDIA_TYPE_VIDEO) {
762 mVideoEOSReceived = true;
763 } else if (media_type == AVMEDIA_TYPE_AUDIO) {
764 mAudioEOSReceived = true;
769 /* seek in the stream */
770 int FFmpegExtractor::stream_seek(int64_t pos, enum AVMediaType media_type,
771 MediaSource::ReadOptions::SeekMode mode)
773 Mutex::Autolock _l(mLock);
775 if (mSeekIdx >= 0 || (mVideoStreamIdx >= 0
776 && mAudioStreamIdx >= 0
777 && media_type == AVMEDIA_TYPE_AUDIO
778 && !mVideoEOSReceived)) {
783 if (mAudioStreamIdx >= 0)
784 packet_queue_flush(&mAudioQ);
785 if (mVideoStreamIdx >= 0)
786 packet_queue_flush(&mVideoQ);
788 mSeekIdx = media_type == AVMEDIA_TYPE_VIDEO ? mVideoStreamIdx : mAudioStreamIdx;
791 //mSeekFlags &= ~AVSEEK_FLAG_BYTE;
792 //if (mSeekByBytes) {
793 // mSeekFlags |= AVSEEK_FLAG_BYTE;
797 case MediaSource::ReadOptions::SEEK_PREVIOUS_SYNC:
798 mSeekMin = INT64_MIN;
801 case MediaSource::ReadOptions::SEEK_NEXT_SYNC:
803 mSeekMax = INT64_MAX;
805 case MediaSource::ReadOptions::SEEK_CLOSEST_SYNC:
806 mSeekMin = INT64_MIN;
807 mSeekMax = INT64_MAX;
809 case MediaSource::ReadOptions::SEEK_CLOSEST:
810 mSeekMin = INT64_MIN;
817 mCondition.wait(mLock);
822 int FFmpegExtractor::decode_interrupt_cb(void *ctx)
824 FFmpegExtractor *extractor = static_cast<FFmpegExtractor *>(ctx);
825 return extractor->mAbortRequest;
828 void FFmpegExtractor::fetchStuffsFromSniffedMeta(const sp<AMessage> &meta)
834 CHECK(meta->findString("extended-extractor-url", &url));
835 CHECK(url.c_str() != NULL);
836 CHECK(url.size() < PATH_MAX);
838 memcpy(mFilename, url.c_str(), url.size());
839 mFilename[url.size()] = '\0';
842 CHECK(meta->findString("extended-extractor-mime", &mime));
843 CHECK(mime.c_str() != NULL);
844 mMeta->setCString(kKeyMIMEType, mime.c_str());
847 void FFmpegExtractor::setFFmpegDefaultOpts()
850 #if DEBUG_DISABLE_VIDEO
855 #if DEBUG_DISABLE_AUDIO
861 mSeekByBytes = 0; /* seek by bytes 0=off 1=on -1=auto" */
862 mDuration = AV_NOPTS_VALUE;
863 mSeekPos = AV_NOPTS_VALUE;
864 mSeekMin = INT64_MIN;
865 mSeekMax = INT64_MAX;
868 mVideoStreamIdx = -1;
869 mAudioStreamIdx = -1;
872 mDefersToCreateVideoTrack = false;
873 mDefersToCreateAudioTrack = false;
886 int FFmpegExtractor::initStreams()
890 status_t status = UNKNOWN_ERROR;
892 int ret = 0, audio_ret = -1, video_ret = -1;
893 int pkt_in_play_range = 0;
894 AVDictionaryEntry *t = NULL;
895 AVDictionary **opts = NULL;
896 int orig_nb_streams = 0;
897 int st_index[AVMEDIA_TYPE_NB] = {0};
898 int wanted_stream[AVMEDIA_TYPE_NB] = {0};
899 st_index[AVMEDIA_TYPE_AUDIO] = -1;
900 st_index[AVMEDIA_TYPE_VIDEO] = -1;
901 wanted_stream[AVMEDIA_TYPE_AUDIO] = -1;
902 wanted_stream[AVMEDIA_TYPE_VIDEO] = -1;
903 const char *mime = NULL;
905 setFFmpegDefaultOpts();
907 status = initFFmpeg();
912 mFFmpegInited = true;
914 mFormatCtx = avformat_alloc_context();
917 ALOGE("oom for alloc avformat context");
921 mFormatCtx->interrupt_callback.callback = decode_interrupt_cb;
922 mFormatCtx->interrupt_callback.opaque = this;
923 ALOGV("mFilename: %s", mFilename);
924 err = avformat_open_input(&mFormatCtx, mFilename, NULL, &format_opts);
926 ALOGE("%s: avformat_open_input failed, err:%s", mFilename, av_err2str(err));
931 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
932 ALOGE("Option %s not found.\n", t->key);
933 //ret = AVERROR_OPTION_NOT_FOUND;
939 mFormatCtx->flags |= AVFMT_FLAG_GENPTS;
941 opts = setup_find_stream_info_opts(mFormatCtx, codec_opts);
942 orig_nb_streams = mFormatCtx->nb_streams;
944 err = avformat_find_stream_info(mFormatCtx, opts);
946 ALOGE("%s: could not find stream info, err:%s", mFilename, av_err2str(err));
950 for (i = 0; i < orig_nb_streams; i++)
951 av_dict_free(&opts[i]);
955 mFormatCtx->pb->eof_reached = 0; // FIXME hack, ffplay maybe should not use url_feof() to test for the end
957 if (mSeekByBytes < 0)
958 mSeekByBytes = !!(mFormatCtx->iformat->flags & AVFMT_TS_DISCONT)
959 && strcmp("ogg", mFormatCtx->iformat->name);
961 for (i = 0; i < (int)mFormatCtx->nb_streams; i++)
962 mFormatCtx->streams[i]->discard = AVDISCARD_ALL;
964 st_index[AVMEDIA_TYPE_VIDEO] =
965 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_VIDEO,
966 wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
968 st_index[AVMEDIA_TYPE_AUDIO] =
969 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_AUDIO,
970 wanted_stream[AVMEDIA_TYPE_AUDIO],
971 st_index[AVMEDIA_TYPE_VIDEO],
974 av_dump_format(mFormatCtx, 0, mFilename, 0);
977 if (mFormatCtx->duration != AV_NOPTS_VALUE &&
978 mFormatCtx->start_time != AV_NOPTS_VALUE) {
979 int hours, mins, secs, us;
981 ALOGV("file startTime: %lld", mFormatCtx->start_time);
983 mDuration = mFormatCtx->duration;
985 secs = mDuration / AV_TIME_BASE;
986 us = mDuration % AV_TIME_BASE;
991 ALOGI("the duration is %02d:%02d:%02d.%02d",
992 hours, mins, secs, (100 * us) / AV_TIME_BASE);
995 packet_queue_init(&mVideoQ);
996 packet_queue_init(&mAudioQ);
998 if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
999 audio_ret = stream_component_open(st_index[AVMEDIA_TYPE_AUDIO]);
1001 packet_queue_start(&mAudioQ);
1004 if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
1005 video_ret = stream_component_open(st_index[AVMEDIA_TYPE_VIDEO]);
1007 packet_queue_start(&mVideoQ);
1010 if ( audio_ret < 0 && video_ret < 0) {
1011 ALOGE("%s: could not open codecs\n", mFilename);
1022 void FFmpegExtractor::deInitStreams()
1024 packet_queue_destroy(&mVideoQ);
1025 packet_queue_destroy(&mAudioQ);
1028 avformat_close_input(&mFormatCtx);
1031 if (mFFmpegInited) {
1036 status_t FFmpegExtractor::startReaderThread() {
1037 ALOGV("Starting reader thread");
1039 if (mReaderThreadStarted)
1042 pthread_attr_t attr;
1043 pthread_attr_init(&attr);
1044 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
1046 ALOGD("Reader thread starting");
1048 pthread_create(&mReaderThread, &attr, ReaderWrapper, this);
1049 pthread_attr_destroy(&attr);
1051 mReaderThreadStarted = true;
1052 mCondition.signal();
1057 void FFmpegExtractor::stopReaderThread() {
1058 ALOGV("Stopping reader thread");
1062 if (!mReaderThreadStarted) {
1063 ALOGD("Reader thread have been stopped");
1069 mCondition.signal();
1071 /* close each stream */
1072 if (mAudioStreamIdx >= 0)
1073 stream_component_close(mAudioStreamIdx);
1074 if (mVideoStreamIdx >= 0)
1075 stream_component_close(mVideoStreamIdx);
1078 pthread_join(mReaderThread, NULL);
1082 avformat_close_input(&mFormatCtx);
1085 mReaderThreadStarted = false;
1086 ALOGD("Reader thread stopped");
1092 void *FFmpegExtractor::ReaderWrapper(void *me) {
1093 ((FFmpegExtractor *)me)->readerEntry();
1098 void FFmpegExtractor::readerEntry() {
1100 AVPacket pkt1, *pkt = &pkt1;
1102 int pkt_in_play_range = 0;
1106 pid_t tid = gettid();
1107 androidSetThreadPriority(tid,
1108 mVideoStreamIdx >= 0 ? ANDROID_PRIORITY_NORMAL : ANDROID_PRIORITY_AUDIO);
1109 prctl(PR_SET_NAME, (unsigned long)"FFmpegExtractor Thread", 0, 0, 0);
1111 ALOGV("FFmpegExtractor wait for signal");
1112 while (!mReaderThreadStarted && !mAbortRequest) {
1113 mCondition.wait(mLock);
1115 ALOGV("FFmpegExtractor ready to run");
1117 if (mAbortRequest) {
1121 mVideoEOSReceived = false;
1122 mAudioEOSReceived = false;
1124 while (!mAbortRequest) {
1126 if (mPaused != mLastPaused) {
1127 mLastPaused = mPaused;
1129 mReadPauseReturn = av_read_pause(mFormatCtx);
1131 av_read_play(mFormatCtx);
1133 #if CONFIG_RTSP_DEMUXER || CONFIG_MMSH_PROTOCOL
1135 (!strcmp(mFormatCtx->iformat->name, "rtsp") ||
1136 (mFormatCtx->pb && !strncmp(mFilename, "mmsh:", 5)))) {
1137 /* wait 10 ms to avoid trying to get another packet */
1144 if (mSeekIdx >= 0) {
1145 Mutex::Autolock _l(mLock);
1146 ALOGV("readerEntry, mSeekIdx: %d mSeekPos: %lld (%lld/%lld)", mSeekIdx, mSeekPos, mSeekMin, mSeekMax);
1147 ret = avformat_seek_file(mFormatCtx, -1, mSeekMin, mSeekPos, mSeekMax, 0);
1149 ALOGE("%s: error while seeking", mFormatCtx->filename);
1151 if (mAudioStreamIdx >= 0) {
1152 packet_queue_flush(&mAudioQ);
1153 packet_queue_put(&mAudioQ, &mAudioQ.flush_pkt);
1155 if (mVideoStreamIdx >= 0) {
1156 packet_queue_flush(&mVideoQ);
1157 packet_queue_put(&mVideoQ, &mVideoQ.flush_pkt);
1162 mCondition.signal();
1165 /* if the queue are full, no need to read more */
1166 if ( mAudioQ.size + mVideoQ.size > MAX_QUEUE_SIZE
1167 || ( (mAudioQ .size > MIN_AUDIOQ_SIZE || mAudioStreamIdx < 0)
1168 && (mVideoQ .nb_packets > MIN_FRAMES || mVideoStreamIdx < 0))) {
1169 #if DEBUG_READ_ENTRY
1170 ALOGV("readerEntry, full(wtf!!!), mVideoQ.size: %d, mVideoQ.nb_packets: %d, mAudioQ.size: %d, mAudioQ.nb_packets: %d",
1171 mVideoQ.size, mVideoQ.nb_packets, mAudioQ.size, mAudioQ.nb_packets);
1174 mExtractorMutex.lock();
1175 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1176 mExtractorMutex.unlock();
1181 if (mVideoStreamIdx >= 0) {
1182 packet_queue_put_nullpacket(&mVideoQ, mVideoStreamIdx);
1184 if (mAudioStreamIdx >= 0) {
1185 packet_queue_put_nullpacket(&mAudioQ, mAudioStreamIdx);
1188 mExtractorMutex.lock();
1189 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1191 mExtractorMutex.unlock();
1195 ret = av_read_frame(mFormatCtx, pkt);
1201 if (mFormatCtx->pb && mFormatCtx->pb->error) {
1202 ALOGE("mFormatCtx->pb->error: %d", mFormatCtx->pb->error);
1206 mExtractorMutex.lock();
1207 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1208 mExtractorMutex.unlock();
1212 if (pkt->stream_index == mVideoStreamIdx) {
1213 if (mDefersToCreateVideoTrack) {
1214 AVCodecContext *avctx = mFormatCtx->streams[mVideoStreamIdx]->codec;
1216 int i = parser_split(avctx, pkt->data, pkt->size);
1217 if (i > 0 && i < FF_MAX_EXTRADATA_SIZE) {
1218 if (avctx->extradata)
1219 av_freep(&avctx->extradata);
1220 avctx->extradata_size= i;
1221 avctx->extradata = (uint8_t *)av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
1222 if (!avctx->extradata) {
1223 //return AVERROR(ENOMEM);
1224 ret = AVERROR(ENOMEM);
1227 // sps + pps(there may be sei in it)
1228 memcpy(avctx->extradata, pkt->data, avctx->extradata_size);
1229 memset(avctx->extradata + i, 0, FF_INPUT_BUFFER_PADDING_SIZE);
1231 av_free_packet(pkt);
1235 stream_component_open(mVideoStreamIdx);
1236 if (!mDefersToCreateVideoTrack)
1237 ALOGI("probe packet counter: %d when create video track ok", mProbePkts);
1238 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1239 ALOGI("probe packet counter to max: %d, create video track: %d",
1240 mProbePkts, !mDefersToCreateVideoTrack);
1242 } else if (pkt->stream_index == mAudioStreamIdx) {
1246 AVCodecContext *avctx = mFormatCtx->streams[mAudioStreamIdx]->codec;
1247 if (mAudioBsfc && pkt && pkt->data) {
1248 ret = av_bitstream_filter_filter(mAudioBsfc, avctx, NULL, &outbuf, &outbuf_size,
1249 pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY);
1251 if (ret < 0 ||!outbuf_size) {
1252 av_free_packet(pkt);
1255 if (outbuf && outbuf != pkt->data) {
1256 memmove(pkt->data, outbuf, outbuf_size);
1257 pkt->size = outbuf_size;
1260 if (mDefersToCreateAudioTrack) {
1261 if (avctx->extradata_size <= 0) {
1262 av_free_packet(pkt);
1265 stream_component_open(mAudioStreamIdx);
1266 if (!mDefersToCreateAudioTrack)
1267 ALOGI("probe packet counter: %d when create audio track ok", mProbePkts);
1268 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1269 ALOGI("probe packet counter to max: %d, create audio track: %d",
1270 mProbePkts, !mDefersToCreateAudioTrack);
1274 if (pkt->stream_index == mAudioStreamIdx) {
1275 packet_queue_put(&mAudioQ, pkt);
1276 } else if (pkt->stream_index == mVideoStreamIdx) {
1277 packet_queue_put(&mVideoQ, pkt);
1279 av_free_packet(pkt);
1286 ALOGV("FFmpegExtractor exit thread(readerEntry)");
1289 ////////////////////////////////////////////////////////////////////////////////
1291 FFmpegSource::FFmpegSource(
1292 const sp<FFmpegExtractor> &extractor, size_t index)
1293 : mExtractor(extractor),
1297 mStream(mExtractor->mTracks.itemAt(index).mStream),
1298 mQueue(mExtractor->mTracks.itemAt(index).mQueue),
1299 mLastPTS(AV_NOPTS_VALUE),
1300 mTargetTime(AV_NOPTS_VALUE) {
1301 sp<MetaData> meta = mExtractor->mTracks.itemAt(index).mMeta;
1304 AVCodecContext *avctx = mStream->codec;
1306 /* Parse codec specific data */
1307 if (avctx->codec_id == AV_CODEC_ID_H264
1308 && avctx->extradata_size > 0
1309 && avctx->extradata[0] == 1) {
1315 CHECK(meta->findData(kKeyAVCC, &type, &data, &size));
1317 const uint8_t *ptr = (const uint8_t *)data;
1320 CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1
1322 // The number of bytes used to encode the length of a NAL unit.
1323 mNALLengthSize = 1 + (ptr[4] & 3);
1325 ALOGV("the stream is AVC, the length of a NAL unit: %d", mNALLengthSize);
1331 mMediaType = mStream->codec->codec_type;
1332 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1335 FFmpegSource::~FFmpegSource() {
1336 ALOGV("FFmpegSource::~FFmpegSource %s",
1337 av_get_media_type_string(mMediaType));
1341 status_t FFmpegSource::start(MetaData *params __unused) {
1342 ALOGV("FFmpegSource::start %s",
1343 av_get_media_type_string(mMediaType));
1347 status_t FFmpegSource::stop() {
1348 ALOGV("FFmpegSource::stop %s",
1349 av_get_media_type_string(mMediaType));
1353 sp<MetaData> FFmpegSource::getFormat() {
1354 return mExtractor->mTracks.itemAt(mTrackIndex).mMeta;;
1357 status_t FFmpegSource::read(
1358 MediaBuffer **buffer, const ReadOptions *options) {
1362 bool seeking = false;
1363 bool waitKeyPkt = false;
1364 ReadOptions::SeekMode mode;
1365 int64_t pktTS = AV_NOPTS_VALUE;
1366 int64_t seekTimeUs = AV_NOPTS_VALUE;
1367 int64_t timeUs = AV_NOPTS_VALUE;
1369 status_t status = OK;
1371 int64_t startTimeUs = mStream->start_time == AV_NOPTS_VALUE ? 0 :
1372 av_rescale_q(mStream->start_time, mStream->time_base, AV_TIME_BASE_Q);
1374 if (options && options->getSeekTo(&seekTimeUs, &mode)) {
1375 int64_t seekPTS = seekTimeUs;
1376 ALOGV("~~~%s seekTimeUs: %lld, seekPTS: %lld, mode: %d", av_get_media_type_string(mMediaType), seekTimeUs, seekPTS, mode);
1377 /* add the stream start time */
1378 if (mStream->start_time != AV_NOPTS_VALUE) {
1379 seekPTS += startTimeUs;
1381 ALOGV("~~~%s seekTimeUs[+startTime]: %lld, mode: %d start_time=%lld", av_get_media_type_string(mMediaType), seekPTS, mode, startTimeUs);
1382 seeking = (mExtractor->stream_seek(seekPTS, mMediaType, mode) == SEEK);
1386 if (packet_queue_get(mQueue, &pkt, 1) < 0) {
1387 ALOGD("read %s abort reqeust", av_get_media_type_string(mMediaType));
1388 mExtractor->reachedEOS(mMediaType);
1389 return ERROR_END_OF_STREAM;
1393 if (pkt.data != mQueue->flush_pkt.data) {
1394 av_free_packet(&pkt);
1398 #if WAIT_KEY_PACKET_AFTER_SEEK
1404 if (pkt.data == mQueue->flush_pkt.data) {
1405 ALOGV("read %s flush pkt", av_get_media_type_string(mMediaType));
1406 av_free_packet(&pkt);
1407 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1409 } else if (pkt.data == NULL && pkt.size == 0) {
1410 ALOGD("read %s eos pkt", av_get_media_type_string(mMediaType));
1411 av_free_packet(&pkt);
1412 mExtractor->reachedEOS(mMediaType);
1413 return ERROR_END_OF_STREAM;
1416 key = pkt.flags & AV_PKT_FLAG_KEY ? 1 : 0;
1417 pktTS = pkt.pts == AV_NOPTS_VALUE ? pkt.dts : pkt.pts;
1421 ALOGV("drop the non-key packet");
1422 av_free_packet(&pkt);
1425 ALOGV("~~~~~~ got the key packet");
1430 if (pktTS != AV_NOPTS_VALUE && mFirstKeyPktTimestamp == AV_NOPTS_VALUE) {
1431 // update the first key timestamp
1432 mFirstKeyPktTimestamp = pktTS;
1435 MediaBuffer *mediaBuffer = new MediaBuffer(pkt.size + FF_INPUT_BUFFER_PADDING_SIZE);
1436 mediaBuffer->meta_data()->clear();
1437 mediaBuffer->set_range(0, pkt.size);
1440 if (mIsAVC && mNal2AnnexB) {
1441 /* This only works for NAL sizes 3-4 */
1442 CHECK(mNALLengthSize == 3 || mNALLengthSize == 4);
1444 uint8_t *dst = (uint8_t *)mediaBuffer->data();
1445 /* Convert H.264 NAL format to annex b */
1446 status = convertNal2AnnexB(dst, pkt.size, pkt.data, pkt.size, mNALLengthSize);
1448 ALOGE("convertNal2AnnexB failed");
1449 mediaBuffer->release();
1451 av_free_packet(&pkt);
1452 return ERROR_MALFORMED;
1455 memcpy(mediaBuffer->data(), pkt.data, pkt.size);
1458 if (pktTS != AV_NOPTS_VALUE)
1459 timeUs = av_rescale_q(pktTS, mStream->time_base, AV_TIME_BASE_Q) - startTimeUs;
1461 timeUs = SF_NOPTS_VALUE; //FIXME AV_NOPTS_VALUE is negative, but stagefright need positive
1463 // predict the next PTS to use for exact-frame seek below
1464 int64_t nextPTS = AV_NOPTS_VALUE;
1465 if (mLastPTS != AV_NOPTS_VALUE && timeUs > mLastPTS) {
1466 nextPTS = timeUs + (timeUs - mLastPTS);
1468 } else if (mLastPTS == AV_NOPTS_VALUE) {
1473 if (pktTS != AV_NOPTS_VALUE)
1474 ALOGV("read %s pkt, size:%d, key:%d, pktPTS: %lld, pts:%lld, dts:%lld, timeUs[-startTime]:%lld us (%.2f secs) start_time=%lld",
1475 av_get_media_type_string(mMediaType), pkt.size, key, pktTS, pkt.pts, pkt.dts, timeUs, timeUs/1E6, startTimeUs);
1477 ALOGV("read %s pkt, size:%d, key:%d, pts:N/A, dts:N/A, timeUs[-startTime]:N/A",
1478 av_get_media_type_string(mMediaType), pkt.size, key);
1481 mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs);
1482 mediaBuffer->meta_data()->setInt32(kKeyIsSyncFrame, key);
1484 // deal with seek-to-exact-frame, we might be off a bit and Stagefright will assert on us
1485 if (seekTimeUs != AV_NOPTS_VALUE && timeUs < seekTimeUs &&
1486 mode == MediaSource::ReadOptions::SEEK_CLOSEST) {
1487 mTargetTime = seekTimeUs;
1488 mediaBuffer->meta_data()->setInt64(kKeyTargetTime, seekTimeUs);
1491 if (mTargetTime != AV_NOPTS_VALUE) {
1492 if (timeUs == mTargetTime) {
1493 mTargetTime = AV_NOPTS_VALUE;
1494 } else if (nextPTS != AV_NOPTS_VALUE && nextPTS > mTargetTime) {
1495 ALOGV("adjust target frame time to %lld", timeUs);
1496 mediaBuffer->meta_data()->setInt64(kKeyTime, mTargetTime);
1497 mTargetTime = AV_NOPTS_VALUE;
1501 *buffer = mediaBuffer;
1503 av_free_packet(&pkt);
1508 ////////////////////////////////////////////////////////////////////////////////
1512 const char *container;
1515 static formatmap FILE_FORMATS[] = {
1516 {"mpeg", MEDIA_MIMETYPE_CONTAINER_MPEG2PS },
1517 {"mpegts", MEDIA_MIMETYPE_CONTAINER_TS },
1518 {"mov,mp4,m4a,3gp,3g2,mj2", MEDIA_MIMETYPE_CONTAINER_MPEG4 },
1519 {"matroska,webm", MEDIA_MIMETYPE_CONTAINER_MATROSKA },
1520 {"asf", MEDIA_MIMETYPE_CONTAINER_ASF },
1521 {"rm", MEDIA_MIMETYPE_CONTAINER_RM },
1522 {"flv", MEDIA_MIMETYPE_CONTAINER_FLV },
1523 {"swf", MEDIA_MIMETYPE_CONTAINER_FLV },
1524 {"avi", MEDIA_MIMETYPE_CONTAINER_AVI },
1525 {"ape", MEDIA_MIMETYPE_CONTAINER_APE },
1526 {"dts", MEDIA_MIMETYPE_CONTAINER_DTS },
1527 {"flac", MEDIA_MIMETYPE_CONTAINER_FLAC },
1528 {"ac3", MEDIA_MIMETYPE_AUDIO_AC3 },
1529 {"mp3", MEDIA_MIMETYPE_AUDIO_MPEG },
1530 {"wav", MEDIA_MIMETYPE_CONTAINER_WAV },
1531 {"ogg", MEDIA_MIMETYPE_CONTAINER_OGG },
1532 {"vc1", MEDIA_MIMETYPE_CONTAINER_VC1 },
1533 {"hevc", MEDIA_MIMETYPE_CONTAINER_HEVC },
1534 {"divx", MEDIA_MIMETYPE_CONTAINER_DIVX },
1537 static AVCodecContext* getCodecContext(AVFormatContext *ic, AVMediaType codec_type)
1539 unsigned int idx = 0;
1540 AVCodecContext *avctx = NULL;
1542 for (idx = 0; idx < ic->nb_streams; idx++) {
1543 if (ic->streams[idx]->disposition & AV_DISPOSITION_ATTACHED_PIC) {
1544 // FFMPEG converts album art to MJPEG, but we don't want to
1545 // include that in the parsing as MJPEG is not supported by
1546 // Android, which forces the media to be extracted by FFMPEG
1547 // while in fact, Android supports it.
1551 avctx = ic->streams[idx]->codec;
1552 if (avctx->codec_type == codec_type) {
1560 static enum AVCodecID getCodecId(AVFormatContext *ic, AVMediaType codec_type)
1562 AVCodecContext *avctx = getCodecContext(ic, codec_type);
1563 return avctx == NULL ? AV_CODEC_ID_NONE : avctx->codec_id;
1566 static bool hasAudioCodecOnly(AVFormatContext *ic)
1568 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1569 bool haveVideo = false;
1570 bool haveAudio = false;
1572 if (getCodecId(ic, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
1575 if (getCodecId(ic, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
1579 if (!haveVideo && haveAudio) {
1586 //FIXME all codecs: frameworks/av/media/libstagefright/codecs/*
1587 static bool isCodecSupportedByStagefright(enum AVCodecID codec_id)
1589 bool supported = false;
1593 case AV_CODEC_ID_HEVC:
1594 case AV_CODEC_ID_H264:
1595 case AV_CODEC_ID_MPEG4:
1596 case AV_CODEC_ID_H263:
1597 case AV_CODEC_ID_H263P:
1598 case AV_CODEC_ID_H263I:
1599 case AV_CODEC_ID_VP6:
1600 case AV_CODEC_ID_VP8:
1601 case AV_CODEC_ID_VP9:
1603 case AV_CODEC_ID_AAC:
1604 case AV_CODEC_ID_MP3:
1605 case AV_CODEC_ID_AMR_NB:
1606 case AV_CODEC_ID_AMR_WB:
1607 case AV_CODEC_ID_FLAC:
1608 case AV_CODEC_ID_VORBIS:
1609 case AV_CODEC_ID_PCM_MULAW: //g711
1610 case AV_CODEC_ID_PCM_ALAW: //g711
1611 case AV_CODEC_ID_GSM_MS:
1612 case AV_CODEC_ID_PCM_U8:
1613 case AV_CODEC_ID_PCM_S16LE:
1614 case AV_CODEC_ID_PCM_S24LE:
1622 ALOGD("%ssuppoted codec(%s) by official Stagefright",
1623 (supported ? "" : "un"),
1624 avcodec_get_name(codec_id));
1629 static void adjustMPEG4Confidence(AVFormatContext *ic, float *confidence)
1631 AVDictionary *tags = NULL;
1632 AVDictionaryEntry *tag = NULL;
1633 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1636 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1637 if (codec_id != AV_CODEC_ID_NONE
1638 && codec_id != AV_CODEC_ID_HEVC
1639 && codec_id != AV_CODEC_ID_H264
1640 && codec_id != AV_CODEC_ID_MPEG4
1641 && codec_id != AV_CODEC_ID_H263
1642 && codec_id != AV_CODEC_ID_H263P
1643 && codec_id != AV_CODEC_ID_H263I) {
1644 //the MEDIA_MIMETYPE_CONTAINER_MPEG4 of confidence is 0.4f
1645 ALOGI("[mp4]video codec(%s), confidence should be larger than MPEG4Extractor",
1646 avcodec_get_name(codec_id));
1647 *confidence = 0.41f;
1650 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1651 if (codec_id != AV_CODEC_ID_NONE
1652 && codec_id != AV_CODEC_ID_MP3
1653 && codec_id != AV_CODEC_ID_AAC
1654 && codec_id != AV_CODEC_ID_AMR_NB
1655 && codec_id != AV_CODEC_ID_AMR_WB) {
1656 ALOGI("[mp4]audio codec(%s), confidence should be larger than MPEG4Extractor",
1657 avcodec_get_name(codec_id));
1658 *confidence = 0.41f;
1662 tags = ic->metadata;
1663 //NOTE: You can use command to show these tags,
1664 //e.g. "ffprobe -show_format 2012.mov"
1665 tag = av_dict_get(tags, "major_brand", NULL, 0);
1670 ALOGV("major_brand tag is:%s", tag->value);
1672 //when MEDIA_MIMETYPE_CONTAINER_MPEG4
1673 //WTF, MPEG4Extractor.cpp can not extractor mov format
1674 //NOTE: isCompatibleBrand(MPEG4Extractor.cpp)
1675 // Won't promise that the following file types can be played.
1676 // Just give these file types a chance.
1677 // FOURCC('q', 't', ' ', ' '), // Apple's QuickTime
1679 if (!strcmp(tag->value, "qt ")) {
1680 ALOGI("[mp4]format is mov, confidence should be larger than mpeg4");
1681 *confidence = 0.41f;
1685 static void adjustMPEG2TSConfidence(AVFormatContext *ic, float *confidence)
1687 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1689 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1690 if (codec_id != AV_CODEC_ID_NONE
1691 && codec_id != AV_CODEC_ID_H264
1692 && codec_id != AV_CODEC_ID_MPEG4
1693 && codec_id != AV_CODEC_ID_MPEG1VIDEO
1694 && codec_id != AV_CODEC_ID_MPEG2VIDEO) {
1695 //the MEDIA_MIMETYPE_CONTAINER_MPEG2TS of confidence is 0.1f
1696 ALOGI("[mpeg2ts]video codec(%s), confidence should be larger than MPEG2TSExtractor",
1697 avcodec_get_name(codec_id));
1698 *confidence = 0.11f;
1701 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1702 if (codec_id != AV_CODEC_ID_NONE
1703 && codec_id != AV_CODEC_ID_AAC
1704 && codec_id != AV_CODEC_ID_PCM_S16LE
1705 && codec_id != AV_CODEC_ID_PCM_S24LE
1706 && codec_id != AV_CODEC_ID_MP1
1707 && codec_id != AV_CODEC_ID_MP2
1708 && codec_id != AV_CODEC_ID_MP3) {
1709 ALOGI("[mpeg2ts]audio codec(%s), confidence should be larger than MPEG2TSExtractor",
1710 avcodec_get_name(codec_id));
1711 *confidence = 0.11f;
1715 static void adjustMKVConfidence(AVFormatContext *ic, float *confidence)
1717 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1719 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1720 if (codec_id != AV_CODEC_ID_NONE
1721 && codec_id != AV_CODEC_ID_H264
1722 && codec_id != AV_CODEC_ID_MPEG4
1723 && codec_id != AV_CODEC_ID_VP6
1724 && codec_id != AV_CODEC_ID_VP8
1725 && codec_id != AV_CODEC_ID_VP9) {
1726 //the MEDIA_MIMETYPE_CONTAINER_MATROSKA of confidence is 0.6f
1727 ALOGI("[mkv]video codec(%s), confidence should be larger than MatroskaExtractor",
1728 avcodec_get_name(codec_id));
1729 *confidence = 0.61f;
1732 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1733 if (codec_id != AV_CODEC_ID_NONE
1734 && codec_id != AV_CODEC_ID_AAC
1735 && codec_id != AV_CODEC_ID_MP3
1736 && codec_id != AV_CODEC_ID_VORBIS) {
1737 ALOGI("[mkv]audio codec(%s), confidence should be larger than MatroskaExtractor",
1738 avcodec_get_name(codec_id));
1739 *confidence = 0.61f;
1743 static void adjustCodecConfidence(AVFormatContext *ic, float *confidence)
1745 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1747 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1748 if (codec_id != AV_CODEC_ID_NONE) {
1749 if (!isCodecSupportedByStagefright(codec_id)) {
1750 *confidence = 0.88f;
1754 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1755 if (codec_id != AV_CODEC_ID_NONE) {
1756 if (!isCodecSupportedByStagefright(codec_id)) {
1757 *confidence = 0.88f;
1761 if (getCodecId(ic, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE
1762 && getCodecId(ic, AVMEDIA_TYPE_AUDIO) == AV_CODEC_ID_MP3) {
1763 *confidence = 0.22f; //larger than MP3Extractor
1767 //TODO need more checks
1768 static void adjustConfidenceIfNeeded(const char *mime,
1769 AVFormatContext *ic, float *confidence)
1772 if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4)) {
1773 adjustMPEG4Confidence(ic, confidence);
1774 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2TS)) {
1775 adjustMPEG2TSConfidence(ic, confidence);
1776 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA)) {
1777 adjustMKVConfidence(ic, confidence);
1782 if (*confidence > 0.08) {
1787 adjustCodecConfidence(ic, confidence);
1790 static void adjustContainerIfNeeded(const char **mime, AVFormatContext *ic)
1792 const char *newMime = *mime;
1793 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1795 AVCodecContext *avctx = getCodecContext(ic, AVMEDIA_TYPE_VIDEO);
1796 if (avctx != NULL && getDivXVersion(avctx) >= 0) {
1797 newMime = MEDIA_MIMETYPE_VIDEO_DIVX;
1799 } else if (hasAudioCodecOnly(ic)) {
1800 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1801 CHECK(codec_id != AV_CODEC_ID_NONE);
1803 case AV_CODEC_ID_MP3:
1804 newMime = MEDIA_MIMETYPE_AUDIO_MPEG;
1806 case AV_CODEC_ID_AAC:
1807 newMime = MEDIA_MIMETYPE_AUDIO_AAC;
1809 case AV_CODEC_ID_VORBIS:
1810 newMime = MEDIA_MIMETYPE_AUDIO_VORBIS;
1812 case AV_CODEC_ID_FLAC:
1813 newMime = MEDIA_MIMETYPE_AUDIO_FLAC;
1815 case AV_CODEC_ID_AC3:
1816 newMime = MEDIA_MIMETYPE_AUDIO_AC3;
1818 case AV_CODEC_ID_APE:
1819 newMime = MEDIA_MIMETYPE_AUDIO_APE;
1821 case AV_CODEC_ID_DTS:
1822 newMime = MEDIA_MIMETYPE_AUDIO_DTS;
1824 case AV_CODEC_ID_MP2:
1825 newMime = MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II;
1827 case AV_CODEC_ID_COOK:
1828 newMime = MEDIA_MIMETYPE_AUDIO_RA;
1830 case AV_CODEC_ID_WMAV1:
1831 case AV_CODEC_ID_WMAV2:
1832 case AV_CODEC_ID_WMAPRO:
1833 case AV_CODEC_ID_WMALOSSLESS:
1834 newMime = MEDIA_MIMETYPE_AUDIO_WMA;
1840 if (!strcmp(*mime, MEDIA_MIMETYPE_CONTAINER_FFMPEG)) {
1841 newMime = MEDIA_MIMETYPE_AUDIO_FFMPEG;
1845 if (strcmp(*mime, newMime)) {
1846 ALOGI("adjust mime(%s -> %s)", *mime, newMime);
1851 static const char *findMatchingContainer(const char *name)
1854 #if SUPPOURT_UNKNOWN_FORMAT
1855 //The FFmpegExtractor support all ffmpeg formats!!!
1856 //Unknown format is defined as MEDIA_MIMETYPE_CONTAINER_FFMPEG
1857 const char *container = MEDIA_MIMETYPE_CONTAINER_FFMPEG;
1859 const char *container = NULL;
1862 ALOGV("list the formats suppoted by ffmpeg: ");
1863 ALOGV("========================================");
1864 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1865 ALOGV("format_names[%02d]: %s", i, FILE_FORMATS[i].format);
1867 ALOGV("========================================");
1869 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1870 int len = strlen(FILE_FORMATS[i].format);
1871 if (!strncasecmp(name, FILE_FORMATS[i].format, len)) {
1872 container = FILE_FORMATS[i].container;
1880 static const char *SniffFFMPEGCommon(const char *url, float *confidence, bool fastMPEG4)
1884 size_t nb_streams = 0;
1885 const char *container = NULL;
1886 AVFormatContext *ic = NULL;
1887 AVDictionary **opts = NULL;
1889 status_t status = initFFmpeg();
1891 ALOGE("could not init ffmpeg");
1895 ic = avformat_alloc_context();
1898 ALOGE("oom for alloc avformat context");
1902 err = avformat_open_input(&ic, url, NULL, NULL);
1905 ALOGE("%s: avformat_open_input failed, err:%s", url, av_err2str(err));
1909 if (ic->iformat != NULL && ic->iformat->name != NULL &&
1910 findMatchingContainer(ic->iformat->name) != NULL &&
1911 !strcasecmp(findMatchingContainer(ic->iformat->name),
1912 MEDIA_MIMETYPE_CONTAINER_MPEG4)) {
1914 container = findMatchingContainer(ic->iformat->name);
1919 opts = setup_find_stream_info_opts(ic, codec_opts);
1920 nb_streams = ic->nb_streams;
1921 err = avformat_find_stream_info(ic, opts);
1923 ALOGE("%s: could not find stream info, err:%s", url, av_err2str(err));
1926 for (i = 0; i < nb_streams; i++) {
1927 av_dict_free(&opts[i]);
1931 av_dump_format(ic, 0, url, 0);
1933 ALOGD("FFmpegExtrator, url: %s, format_name: %s, format_long_name: %s",
1934 url, ic->iformat->name, ic->iformat->long_name);
1936 container = findMatchingContainer(ic->iformat->name);
1938 adjustContainerIfNeeded(&container, ic);
1939 adjustConfidenceIfNeeded(container, ic, confidence);
1944 avformat_close_input(&ic);
1953 static const char *BetterSniffFFMPEG(const sp<DataSource> &source,
1954 float *confidence, sp<AMessage> meta)
1956 const char *ret = NULL;
1957 char url[PATH_MAX] = {0};
1959 ALOGI("android-source:%p", source.get());
1961 // pass the addr of smart pointer("source")
1962 snprintf(url, sizeof(url), "android-source:%p", source.get());
1964 ret = SniffFFMPEGCommon(url, confidence, (source->flags() & DataSource::kIsCachingDataSource));
1966 meta->setString("extended-extractor-url", url);
1972 static const char *LegacySniffFFMPEG(const sp<DataSource> &source,
1973 float *confidence, sp<AMessage> meta)
1975 const char *ret = NULL;
1976 char url[PATH_MAX] = {0};
1978 String8 uri = source->getUri();
1979 if (!uri.string()) {
1983 ALOGV("source url:%s", uri.string());
1985 // pass the addr of smart pointer("source") + file name
1986 snprintf(url, sizeof(url), "android-source:%p|file:%s", source.get(), uri.string());
1988 ret = SniffFFMPEGCommon(url, confidence, false);
1990 meta->setString("extended-extractor-url", url);
1997 const sp<DataSource> &source, String8 *mimeType, float *confidence,
1998 sp<AMessage> *meta) {
1999 ALOGV("SniffFFMPEG");
2001 *meta = new AMessage;
2002 *confidence = 0.08f; // be the last resort, by default
2004 const char *container = BetterSniffFFMPEG(source, confidence, *meta);
2006 ALOGW("sniff through BetterSniffFFMPEG failed, try LegacySniffFFMPEG");
2007 container = LegacySniffFFMPEG(source, confidence, *meta);
2009 ALOGV("sniff through LegacySniffFFMPEG success");
2012 ALOGV("sniff through BetterSniffFFMPEG success");
2015 if (container == NULL) {
2016 ALOGD("SniffFFMPEG failed to sniff this source");
2022 ALOGD("ffmpeg detected media content as '%s' with confidence %.2f",
2023 container, *confidence);
2025 /* use MPEG4Extractor(not extended extractor) for HTTP source only */
2026 if (!strcasecmp(container, MEDIA_MIMETYPE_CONTAINER_MPEG4)
2027 && (source->flags() & DataSource::kIsCachingDataSource)) {
2028 ALOGI("support container: %s, but it is caching data source, "
2029 "Don't use ffmpegextractor", container);
2035 mimeType->setTo(container);
2037 (*meta)->setString("extended-extractor", "extended-extractor");
2038 (*meta)->setString("extended-extractor-subtype", "ffmpegextractor");
2039 (*meta)->setString("extended-extractor-mime", container);
2042 char value[PROPERTY_VALUE_MAX];
2043 property_get("sys.media.parser.ffmpeg", value, "0");
2045 ALOGD("[debug] use ffmpeg parser");
2046 *confidence = 0.88f;
2049 if (*confidence > 0.08f) {
2050 (*meta)->setString("extended-extractor-use", "ffmpegextractor");
2056 MediaExtractor *CreateFFmpegExtractor(const sp<DataSource> &source, const char *mime, const sp<AMessage> &meta) {
2057 MediaExtractor *ret = NULL;
2059 if (meta.get() && meta->findString("extended-extractor", ¬use) && (
2060 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG) ||
2061 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC) ||
2062 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS) ||
2063 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC) ||
2064 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AC3) ||
2065 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_APE) ||
2066 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_DTS) ||
2067 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II) ||
2068 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RA) ||
2069 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_WMA) ||
2070 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FFMPEG) ||
2071 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4) ||
2072 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MOV) ||
2073 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA) ||
2074 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_TS) ||
2075 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2PS) ||
2076 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_AVI) ||
2077 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_ASF) ||
2078 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WEBM) ||
2079 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WMV) ||
2080 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPG) ||
2081 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FLV) ||
2082 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_DIVX) ||
2083 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_RM) ||
2084 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WAV) ||
2085 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FLAC) ||
2086 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_APE) ||
2087 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_DTS) ||
2088 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MP2) ||
2089 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_RA) ||
2090 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_OGG) ||
2091 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_VC1) ||
2092 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_HEVC) ||
2093 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WMA) ||
2094 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FFMPEG))) {
2095 ret = new FFmpegExtractor(source, meta);
2098 ALOGD("%ssupported mime: %s", (ret ? "" : "un"), mime);
2102 } // namespace android
2104 extern "C" void getExtractorPlugin(android::MediaExtractor::Plugin *plugin)
2106 plugin->sniff = android::SniffFFMPEG;
2107 plugin->create = android::CreateFFmpegExtractor;