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 AVDictionary *format_opts = NULL, *codec_opts = NULL;
904 const char *mime = NULL;
906 setFFmpegDefaultOpts();
908 status = initFFmpeg();
913 mFFmpegInited = true;
915 mFormatCtx = avformat_alloc_context();
918 ALOGE("oom for alloc avformat context");
922 mFormatCtx->interrupt_callback.callback = decode_interrupt_cb;
923 mFormatCtx->interrupt_callback.opaque = this;
924 ALOGV("mFilename: %s", mFilename);
925 err = avformat_open_input(&mFormatCtx, mFilename, NULL, &format_opts);
927 ALOGE("%s: avformat_open_input failed, err:%s", mFilename, av_err2str(err));
932 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
933 ALOGE("Option %s not found.\n", t->key);
934 //ret = AVERROR_OPTION_NOT_FOUND;
936 av_dict_free(&format_opts);
940 av_dict_free(&format_opts);
943 mFormatCtx->flags |= AVFMT_FLAG_GENPTS;
945 opts = setup_find_stream_info_opts(mFormatCtx, codec_opts);
946 orig_nb_streams = mFormatCtx->nb_streams;
948 err = avformat_find_stream_info(mFormatCtx, opts);
950 ALOGE("%s: could not find stream info, err:%s", mFilename, av_err2str(err));
954 for (i = 0; i < orig_nb_streams; i++)
955 av_dict_free(&opts[i]);
959 mFormatCtx->pb->eof_reached = 0; // FIXME hack, ffplay maybe should not use url_feof() to test for the end
961 if (mSeekByBytes < 0)
962 mSeekByBytes = !!(mFormatCtx->iformat->flags & AVFMT_TS_DISCONT)
963 && strcmp("ogg", mFormatCtx->iformat->name);
965 for (i = 0; i < (int)mFormatCtx->nb_streams; i++)
966 mFormatCtx->streams[i]->discard = AVDISCARD_ALL;
968 st_index[AVMEDIA_TYPE_VIDEO] =
969 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_VIDEO,
970 wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
972 st_index[AVMEDIA_TYPE_AUDIO] =
973 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_AUDIO,
974 wanted_stream[AVMEDIA_TYPE_AUDIO],
975 st_index[AVMEDIA_TYPE_VIDEO],
978 av_dump_format(mFormatCtx, 0, mFilename, 0);
981 if (mFormatCtx->duration != AV_NOPTS_VALUE &&
982 mFormatCtx->start_time != AV_NOPTS_VALUE) {
983 int hours, mins, secs, us;
985 ALOGV("file startTime: %lld", mFormatCtx->start_time);
987 mDuration = mFormatCtx->duration;
989 secs = mDuration / AV_TIME_BASE;
990 us = mDuration % AV_TIME_BASE;
995 ALOGI("the duration is %02d:%02d:%02d.%02d",
996 hours, mins, secs, (100 * us) / AV_TIME_BASE);
999 packet_queue_init(&mVideoQ);
1000 packet_queue_init(&mAudioQ);
1002 if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
1003 audio_ret = stream_component_open(st_index[AVMEDIA_TYPE_AUDIO]);
1005 packet_queue_start(&mAudioQ);
1008 if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
1009 video_ret = stream_component_open(st_index[AVMEDIA_TYPE_VIDEO]);
1011 packet_queue_start(&mVideoQ);
1014 if ( audio_ret < 0 && video_ret < 0) {
1015 ALOGE("%s: could not open codecs\n", mFilename);
1026 void FFmpegExtractor::deInitStreams()
1028 packet_queue_destroy(&mVideoQ);
1029 packet_queue_destroy(&mAudioQ);
1032 avformat_close_input(&mFormatCtx);
1035 if (mFFmpegInited) {
1040 status_t FFmpegExtractor::startReaderThread() {
1041 ALOGV("Starting reader thread");
1043 if (mReaderThreadStarted)
1046 pthread_attr_t attr;
1047 pthread_attr_init(&attr);
1048 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
1050 ALOGD("Reader thread starting");
1052 pthread_create(&mReaderThread, &attr, ReaderWrapper, this);
1053 pthread_attr_destroy(&attr);
1055 mReaderThreadStarted = true;
1056 mCondition.signal();
1061 void FFmpegExtractor::stopReaderThread() {
1062 ALOGV("Stopping reader thread");
1066 if (!mReaderThreadStarted) {
1067 ALOGD("Reader thread have been stopped");
1073 mCondition.signal();
1075 /* close each stream */
1076 if (mAudioStreamIdx >= 0)
1077 stream_component_close(mAudioStreamIdx);
1078 if (mVideoStreamIdx >= 0)
1079 stream_component_close(mVideoStreamIdx);
1082 pthread_join(mReaderThread, NULL);
1086 avformat_close_input(&mFormatCtx);
1089 mReaderThreadStarted = false;
1090 ALOGD("Reader thread stopped");
1096 void *FFmpegExtractor::ReaderWrapper(void *me) {
1097 ((FFmpegExtractor *)me)->readerEntry();
1102 void FFmpegExtractor::readerEntry() {
1104 AVPacket pkt1, *pkt = &pkt1;
1106 int pkt_in_play_range = 0;
1110 pid_t tid = gettid();
1111 androidSetThreadPriority(tid,
1112 mVideoStreamIdx >= 0 ? ANDROID_PRIORITY_NORMAL : ANDROID_PRIORITY_AUDIO);
1113 prctl(PR_SET_NAME, (unsigned long)"FFmpegExtractor Thread", 0, 0, 0);
1115 ALOGV("FFmpegExtractor wait for signal");
1116 while (!mReaderThreadStarted && !mAbortRequest) {
1117 mCondition.wait(mLock);
1119 ALOGV("FFmpegExtractor ready to run");
1121 if (mAbortRequest) {
1125 mVideoEOSReceived = false;
1126 mAudioEOSReceived = false;
1128 while (!mAbortRequest) {
1130 if (mPaused != mLastPaused) {
1131 mLastPaused = mPaused;
1133 mReadPauseReturn = av_read_pause(mFormatCtx);
1135 av_read_play(mFormatCtx);
1137 #if CONFIG_RTSP_DEMUXER || CONFIG_MMSH_PROTOCOL
1139 (!strcmp(mFormatCtx->iformat->name, "rtsp") ||
1140 (mFormatCtx->pb && !strncmp(mFilename, "mmsh:", 5)))) {
1141 /* wait 10 ms to avoid trying to get another packet */
1148 if (mSeekIdx >= 0) {
1149 Mutex::Autolock _l(mLock);
1150 ALOGV("readerEntry, mSeekIdx: %d mSeekPos: %lld (%lld/%lld)", mSeekIdx, mSeekPos, mSeekMin, mSeekMax);
1151 ret = avformat_seek_file(mFormatCtx, -1, mSeekMin, mSeekPos, mSeekMax, 0);
1153 ALOGE("%s: error while seeking", mFormatCtx->filename);
1154 avformat_seek_file(mFormatCtx, -1, 0, 0, 0, 0);
1156 if (mAudioStreamIdx >= 0) {
1157 packet_queue_flush(&mAudioQ);
1158 packet_queue_put(&mAudioQ, &mAudioQ.flush_pkt);
1160 if (mVideoStreamIdx >= 0) {
1161 packet_queue_flush(&mVideoQ);
1162 packet_queue_put(&mVideoQ, &mVideoQ.flush_pkt);
1166 mCondition.signal();
1169 /* if the queue are full, no need to read more */
1170 if ( mAudioQ.size + mVideoQ.size > MAX_QUEUE_SIZE
1171 || ( (mAudioQ .size > MIN_AUDIOQ_SIZE || mAudioStreamIdx < 0)
1172 && (mVideoQ .nb_packets > MIN_FRAMES || mVideoStreamIdx < 0))) {
1173 #if DEBUG_READ_ENTRY
1174 ALOGV("readerEntry, full(wtf!!!), mVideoQ.size: %d, mVideoQ.nb_packets: %d, mAudioQ.size: %d, mAudioQ.nb_packets: %d",
1175 mVideoQ.size, mVideoQ.nb_packets, mAudioQ.size, mAudioQ.nb_packets);
1178 mExtractorMutex.lock();
1179 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1180 mExtractorMutex.unlock();
1185 if (mVideoStreamIdx >= 0) {
1186 packet_queue_put_nullpacket(&mVideoQ, mVideoStreamIdx);
1188 if (mAudioStreamIdx >= 0) {
1189 packet_queue_put_nullpacket(&mAudioQ, mAudioStreamIdx);
1192 mExtractorMutex.lock();
1193 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1195 mExtractorMutex.unlock();
1199 ret = av_read_frame(mFormatCtx, pkt);
1205 if (mFormatCtx->pb && mFormatCtx->pb->error) {
1206 ALOGE("mFormatCtx->pb->error: %d", mFormatCtx->pb->error);
1210 mExtractorMutex.lock();
1211 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1212 mExtractorMutex.unlock();
1216 if (pkt->stream_index == mVideoStreamIdx) {
1217 if (mDefersToCreateVideoTrack) {
1218 AVCodecContext *avctx = mFormatCtx->streams[mVideoStreamIdx]->codec;
1220 int i = parser_split(avctx, pkt->data, pkt->size);
1221 if (i > 0 && i < FF_MAX_EXTRADATA_SIZE) {
1222 if (avctx->extradata)
1223 av_freep(&avctx->extradata);
1224 avctx->extradata_size= i;
1225 avctx->extradata = (uint8_t *)av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
1226 if (!avctx->extradata) {
1227 //return AVERROR(ENOMEM);
1228 ret = AVERROR(ENOMEM);
1231 // sps + pps(there may be sei in it)
1232 memcpy(avctx->extradata, pkt->data, avctx->extradata_size);
1233 memset(avctx->extradata + i, 0, FF_INPUT_BUFFER_PADDING_SIZE);
1235 av_free_packet(pkt);
1239 stream_component_open(mVideoStreamIdx);
1240 if (!mDefersToCreateVideoTrack)
1241 ALOGI("probe packet counter: %d when create video track ok", mProbePkts);
1242 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1243 ALOGI("probe packet counter to max: %d, create video track: %d",
1244 mProbePkts, !mDefersToCreateVideoTrack);
1246 } else if (pkt->stream_index == mAudioStreamIdx) {
1250 AVCodecContext *avctx = mFormatCtx->streams[mAudioStreamIdx]->codec;
1251 if (mAudioBsfc && pkt && pkt->data) {
1252 ret = av_bitstream_filter_filter(mAudioBsfc, avctx, NULL, &outbuf, &outbuf_size,
1253 pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY);
1255 if (ret < 0 ||!outbuf_size) {
1256 av_free_packet(pkt);
1259 if (outbuf && outbuf != pkt->data) {
1260 memmove(pkt->data, outbuf, outbuf_size);
1261 pkt->size = outbuf_size;
1264 if (mDefersToCreateAudioTrack) {
1265 if (avctx->extradata_size <= 0) {
1266 av_free_packet(pkt);
1269 stream_component_open(mAudioStreamIdx);
1270 if (!mDefersToCreateAudioTrack)
1271 ALOGI("probe packet counter: %d when create audio track ok", mProbePkts);
1272 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1273 ALOGI("probe packet counter to max: %d, create audio track: %d",
1274 mProbePkts, !mDefersToCreateAudioTrack);
1278 if (pkt->stream_index == mAudioStreamIdx) {
1279 packet_queue_put(&mAudioQ, pkt);
1280 } else if (pkt->stream_index == mVideoStreamIdx) {
1281 packet_queue_put(&mVideoQ, pkt);
1283 av_free_packet(pkt);
1290 ALOGV("FFmpegExtractor exit thread(readerEntry)");
1293 ////////////////////////////////////////////////////////////////////////////////
1295 FFmpegSource::FFmpegSource(
1296 const sp<FFmpegExtractor> &extractor, size_t index)
1297 : mExtractor(extractor),
1301 mStream(mExtractor->mTracks.itemAt(index).mStream),
1302 mQueue(mExtractor->mTracks.itemAt(index).mQueue),
1303 mLastPTS(AV_NOPTS_VALUE),
1304 mTargetTime(AV_NOPTS_VALUE) {
1305 sp<MetaData> meta = mExtractor->mTracks.itemAt(index).mMeta;
1308 AVCodecContext *avctx = mStream->codec;
1310 /* Parse codec specific data */
1311 if (avctx->codec_id == AV_CODEC_ID_H264
1312 && avctx->extradata_size > 0
1313 && avctx->extradata[0] == 1) {
1319 CHECK(meta->findData(kKeyAVCC, &type, &data, &size));
1321 const uint8_t *ptr = (const uint8_t *)data;
1324 CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1
1326 // The number of bytes used to encode the length of a NAL unit.
1327 mNALLengthSize = 1 + (ptr[4] & 3);
1329 ALOGV("the stream is AVC, the length of a NAL unit: %d", mNALLengthSize);
1335 mMediaType = mStream->codec->codec_type;
1336 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1339 FFmpegSource::~FFmpegSource() {
1340 ALOGV("FFmpegSource::~FFmpegSource %s",
1341 av_get_media_type_string(mMediaType));
1345 status_t FFmpegSource::start(MetaData *params __unused) {
1346 ALOGV("FFmpegSource::start %s",
1347 av_get_media_type_string(mMediaType));
1351 status_t FFmpegSource::stop() {
1352 ALOGV("FFmpegSource::stop %s",
1353 av_get_media_type_string(mMediaType));
1357 sp<MetaData> FFmpegSource::getFormat() {
1358 return mExtractor->mTracks.itemAt(mTrackIndex).mMeta;;
1361 status_t FFmpegSource::read(
1362 MediaBuffer **buffer, const ReadOptions *options) {
1366 bool seeking = false;
1367 bool waitKeyPkt = false;
1368 ReadOptions::SeekMode mode;
1369 int64_t pktTS = AV_NOPTS_VALUE;
1370 int64_t seekTimeUs = AV_NOPTS_VALUE;
1371 int64_t timeUs = AV_NOPTS_VALUE;
1373 status_t status = OK;
1375 int64_t startTimeUs = mStream->start_time == AV_NOPTS_VALUE ? 0 :
1376 av_rescale_q(mStream->start_time, mStream->time_base, AV_TIME_BASE_Q);
1378 if (options && options->getSeekTo(&seekTimeUs, &mode)) {
1379 int64_t seekPTS = seekTimeUs;
1380 ALOGV("~~~%s seekTimeUs: %lld, seekPTS: %lld, mode: %d", av_get_media_type_string(mMediaType), seekTimeUs, seekPTS, mode);
1381 /* add the stream start time */
1382 if (mStream->start_time != AV_NOPTS_VALUE) {
1383 seekPTS += startTimeUs;
1385 ALOGV("~~~%s seekTimeUs[+startTime]: %lld, mode: %d start_time=%lld", av_get_media_type_string(mMediaType), seekPTS, mode, startTimeUs);
1386 seeking = (mExtractor->stream_seek(seekPTS, mMediaType, mode) == SEEK);
1390 if (packet_queue_get(mQueue, &pkt, 1) < 0) {
1391 ALOGD("read %s abort reqeust", av_get_media_type_string(mMediaType));
1392 mExtractor->reachedEOS(mMediaType);
1393 return ERROR_END_OF_STREAM;
1397 if (pkt.data != mQueue->flush_pkt.data) {
1398 av_free_packet(&pkt);
1402 #if WAIT_KEY_PACKET_AFTER_SEEK
1408 if (pkt.data == mQueue->flush_pkt.data) {
1409 ALOGV("read %s flush pkt", av_get_media_type_string(mMediaType));
1410 av_free_packet(&pkt);
1411 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1413 } else if (pkt.data == NULL && pkt.size == 0) {
1414 ALOGD("read %s eos pkt", av_get_media_type_string(mMediaType));
1415 av_free_packet(&pkt);
1416 mExtractor->reachedEOS(mMediaType);
1417 return ERROR_END_OF_STREAM;
1420 key = pkt.flags & AV_PKT_FLAG_KEY ? 1 : 0;
1421 pktTS = pkt.pts == AV_NOPTS_VALUE ? pkt.dts : pkt.pts;
1425 ALOGV("drop the non-key packet");
1426 av_free_packet(&pkt);
1429 ALOGV("~~~~~~ got the key packet");
1434 if (pktTS != AV_NOPTS_VALUE && mFirstKeyPktTimestamp == AV_NOPTS_VALUE) {
1435 // update the first key timestamp
1436 mFirstKeyPktTimestamp = pktTS;
1439 MediaBuffer *mediaBuffer = new MediaBuffer(pkt.size + FF_INPUT_BUFFER_PADDING_SIZE);
1440 mediaBuffer->meta_data()->clear();
1441 mediaBuffer->set_range(0, pkt.size);
1444 if (mIsAVC && mNal2AnnexB) {
1445 /* This only works for NAL sizes 3-4 */
1446 CHECK(mNALLengthSize == 3 || mNALLengthSize == 4);
1448 uint8_t *dst = (uint8_t *)mediaBuffer->data();
1449 /* Convert H.264 NAL format to annex b */
1450 status = convertNal2AnnexB(dst, pkt.size, pkt.data, pkt.size, mNALLengthSize);
1452 ALOGE("convertNal2AnnexB failed");
1453 mediaBuffer->release();
1455 av_free_packet(&pkt);
1456 return ERROR_MALFORMED;
1459 memcpy(mediaBuffer->data(), pkt.data, pkt.size);
1462 if (pktTS != AV_NOPTS_VALUE)
1463 timeUs = av_rescale_q(pktTS, mStream->time_base, AV_TIME_BASE_Q) - startTimeUs;
1465 timeUs = SF_NOPTS_VALUE; //FIXME AV_NOPTS_VALUE is negative, but stagefright need positive
1467 // predict the next PTS to use for exact-frame seek below
1468 int64_t nextPTS = AV_NOPTS_VALUE;
1469 if (mLastPTS != AV_NOPTS_VALUE && timeUs > mLastPTS) {
1470 nextPTS = timeUs + (timeUs - mLastPTS);
1472 } else if (mLastPTS == AV_NOPTS_VALUE) {
1477 if (pktTS != AV_NOPTS_VALUE)
1478 ALOGV("read %s pkt, size:%d, key:%d, pktPTS: %lld, pts:%lld, dts:%lld, timeUs[-startTime]:%lld us (%.2f secs) start_time=%lld",
1479 av_get_media_type_string(mMediaType), pkt.size, key, pktTS, pkt.pts, pkt.dts, timeUs, timeUs/1E6, startTimeUs);
1481 ALOGV("read %s pkt, size:%d, key:%d, pts:N/A, dts:N/A, timeUs[-startTime]:N/A",
1482 av_get_media_type_string(mMediaType), pkt.size, key);
1485 mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs);
1486 mediaBuffer->meta_data()->setInt32(kKeyIsSyncFrame, key);
1488 // deal with seek-to-exact-frame, we might be off a bit and Stagefright will assert on us
1489 if (seekTimeUs != AV_NOPTS_VALUE && timeUs < seekTimeUs &&
1490 mode == MediaSource::ReadOptions::SEEK_CLOSEST) {
1491 mTargetTime = seekTimeUs;
1492 mediaBuffer->meta_data()->setInt64(kKeyTargetTime, seekTimeUs);
1495 if (mTargetTime != AV_NOPTS_VALUE) {
1496 if (timeUs == mTargetTime) {
1497 mTargetTime = AV_NOPTS_VALUE;
1498 } else if (nextPTS != AV_NOPTS_VALUE && nextPTS > mTargetTime) {
1499 ALOGV("adjust target frame time to %lld", timeUs);
1500 mediaBuffer->meta_data()->setInt64(kKeyTime, mTargetTime);
1501 mTargetTime = AV_NOPTS_VALUE;
1505 *buffer = mediaBuffer;
1507 av_free_packet(&pkt);
1512 ////////////////////////////////////////////////////////////////////////////////
1516 const char *container;
1519 static formatmap FILE_FORMATS[] = {
1520 {"mpeg", MEDIA_MIMETYPE_CONTAINER_MPEG2PS },
1521 {"mpegts", MEDIA_MIMETYPE_CONTAINER_TS },
1522 {"mov,mp4,m4a,3gp,3g2,mj2", MEDIA_MIMETYPE_CONTAINER_MPEG4 },
1523 {"matroska,webm", MEDIA_MIMETYPE_CONTAINER_MATROSKA },
1524 {"asf", MEDIA_MIMETYPE_CONTAINER_ASF },
1525 {"rm", MEDIA_MIMETYPE_CONTAINER_RM },
1526 {"flv", MEDIA_MIMETYPE_CONTAINER_FLV },
1527 {"swf", MEDIA_MIMETYPE_CONTAINER_FLV },
1528 {"avi", MEDIA_MIMETYPE_CONTAINER_AVI },
1529 {"ape", MEDIA_MIMETYPE_CONTAINER_APE },
1530 {"dts", MEDIA_MIMETYPE_CONTAINER_DTS },
1531 {"flac", MEDIA_MIMETYPE_CONTAINER_FLAC },
1532 {"ac3", MEDIA_MIMETYPE_AUDIO_AC3 },
1533 {"mp3", MEDIA_MIMETYPE_AUDIO_MPEG },
1534 {"wav", MEDIA_MIMETYPE_CONTAINER_WAV },
1535 {"ogg", MEDIA_MIMETYPE_CONTAINER_OGG },
1536 {"vc1", MEDIA_MIMETYPE_CONTAINER_VC1 },
1537 {"hevc", MEDIA_MIMETYPE_CONTAINER_HEVC },
1538 {"divx", MEDIA_MIMETYPE_CONTAINER_DIVX },
1541 static AVCodecContext* getCodecContext(AVFormatContext *ic, AVMediaType codec_type)
1543 unsigned int idx = 0;
1544 AVCodecContext *avctx = NULL;
1546 for (idx = 0; idx < ic->nb_streams; idx++) {
1547 if (ic->streams[idx]->disposition & AV_DISPOSITION_ATTACHED_PIC) {
1548 // FFMPEG converts album art to MJPEG, but we don't want to
1549 // include that in the parsing as MJPEG is not supported by
1550 // Android, which forces the media to be extracted by FFMPEG
1551 // while in fact, Android supports it.
1555 avctx = ic->streams[idx]->codec;
1556 if (avctx->codec_type == codec_type) {
1564 static enum AVCodecID getCodecId(AVFormatContext *ic, AVMediaType codec_type)
1566 AVCodecContext *avctx = getCodecContext(ic, codec_type);
1567 return avctx == NULL ? AV_CODEC_ID_NONE : avctx->codec_id;
1570 static bool hasAudioCodecOnly(AVFormatContext *ic)
1572 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1573 bool haveVideo = false;
1574 bool haveAudio = false;
1576 if (getCodecId(ic, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
1579 if (getCodecId(ic, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
1583 if (!haveVideo && haveAudio) {
1590 //FIXME all codecs: frameworks/av/media/libstagefright/codecs/*
1591 static bool isCodecSupportedByStagefright(enum AVCodecID codec_id)
1593 bool supported = false;
1597 case AV_CODEC_ID_HEVC:
1598 case AV_CODEC_ID_H264:
1599 case AV_CODEC_ID_MPEG4:
1600 case AV_CODEC_ID_H263:
1601 case AV_CODEC_ID_H263P:
1602 case AV_CODEC_ID_H263I:
1603 case AV_CODEC_ID_VP6:
1604 case AV_CODEC_ID_VP8:
1605 case AV_CODEC_ID_VP9:
1607 case AV_CODEC_ID_AAC:
1608 case AV_CODEC_ID_MP3:
1609 case AV_CODEC_ID_AMR_NB:
1610 case AV_CODEC_ID_AMR_WB:
1611 case AV_CODEC_ID_VORBIS:
1612 case AV_CODEC_ID_PCM_MULAW: //g711
1613 case AV_CODEC_ID_PCM_ALAW: //g711
1614 case AV_CODEC_ID_GSM_MS:
1615 case AV_CODEC_ID_PCM_U8:
1616 case AV_CODEC_ID_PCM_S16LE:
1617 case AV_CODEC_ID_PCM_S24LE:
1625 ALOGD("%ssuppoted codec(%s) by official Stagefright",
1626 (supported ? "" : "un"),
1627 avcodec_get_name(codec_id));
1632 static void adjustMPEG4Confidence(AVFormatContext *ic, float *confidence)
1634 AVDictionary *tags = NULL;
1635 AVDictionaryEntry *tag = NULL;
1636 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1639 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1640 if (codec_id != AV_CODEC_ID_NONE
1641 && codec_id != AV_CODEC_ID_HEVC
1642 && codec_id != AV_CODEC_ID_H264
1643 && codec_id != AV_CODEC_ID_MPEG4
1644 && codec_id != AV_CODEC_ID_H263
1645 && codec_id != AV_CODEC_ID_H263P
1646 && codec_id != AV_CODEC_ID_H263I) {
1647 //the MEDIA_MIMETYPE_CONTAINER_MPEG4 of confidence is 0.4f
1648 ALOGI("[mp4]video codec(%s), confidence should be larger than MPEG4Extractor",
1649 avcodec_get_name(codec_id));
1650 *confidence = 0.41f;
1653 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1654 if (codec_id != AV_CODEC_ID_NONE
1655 && codec_id != AV_CODEC_ID_MP3
1656 && codec_id != AV_CODEC_ID_AAC
1657 && codec_id != AV_CODEC_ID_AMR_NB
1658 && codec_id != AV_CODEC_ID_AMR_WB) {
1659 ALOGI("[mp4]audio codec(%s), confidence should be larger than MPEG4Extractor",
1660 avcodec_get_name(codec_id));
1661 *confidence = 0.41f;
1665 tags = ic->metadata;
1666 //NOTE: You can use command to show these tags,
1667 //e.g. "ffprobe -show_format 2012.mov"
1668 tag = av_dict_get(tags, "major_brand", NULL, 0);
1673 ALOGV("major_brand tag is:%s", tag->value);
1675 //when MEDIA_MIMETYPE_CONTAINER_MPEG4
1676 //WTF, MPEG4Extractor.cpp can not extractor mov format
1677 //NOTE: isCompatibleBrand(MPEG4Extractor.cpp)
1678 // Won't promise that the following file types can be played.
1679 // Just give these file types a chance.
1680 // FOURCC('q', 't', ' ', ' '), // Apple's QuickTime
1682 if (!strcmp(tag->value, "qt ")) {
1683 ALOGI("[mp4]format is mov, confidence should be larger than mpeg4");
1684 *confidence = 0.41f;
1688 static void adjustMPEG2TSConfidence(AVFormatContext *ic, float *confidence)
1690 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1692 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1693 if (codec_id != AV_CODEC_ID_NONE
1694 && codec_id != AV_CODEC_ID_H264
1695 && codec_id != AV_CODEC_ID_MPEG4
1696 && codec_id != AV_CODEC_ID_MPEG1VIDEO
1697 && codec_id != AV_CODEC_ID_MPEG2VIDEO) {
1698 //the MEDIA_MIMETYPE_CONTAINER_MPEG2TS of confidence is 0.1f
1699 ALOGI("[mpeg2ts]video codec(%s), confidence should be larger than MPEG2TSExtractor",
1700 avcodec_get_name(codec_id));
1701 *confidence = 0.11f;
1704 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1705 if (codec_id != AV_CODEC_ID_NONE
1706 && codec_id != AV_CODEC_ID_AAC
1707 && codec_id != AV_CODEC_ID_PCM_S16LE
1708 && codec_id != AV_CODEC_ID_PCM_S24LE
1709 && codec_id != AV_CODEC_ID_MP1
1710 && codec_id != AV_CODEC_ID_MP2
1711 && codec_id != AV_CODEC_ID_MP3) {
1712 ALOGI("[mpeg2ts]audio codec(%s), confidence should be larger than MPEG2TSExtractor",
1713 avcodec_get_name(codec_id));
1714 *confidence = 0.11f;
1718 static void adjustMKVConfidence(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 && codec_id != AV_CODEC_ID_H264
1725 && codec_id != AV_CODEC_ID_MPEG4
1726 && codec_id != AV_CODEC_ID_VP6
1727 && codec_id != AV_CODEC_ID_VP8
1728 && codec_id != AV_CODEC_ID_VP9) {
1729 //the MEDIA_MIMETYPE_CONTAINER_MATROSKA of confidence is 0.6f
1730 ALOGI("[mkv]video codec(%s), confidence should be larger than MatroskaExtractor",
1731 avcodec_get_name(codec_id));
1732 *confidence = 0.61f;
1735 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1736 if (codec_id != AV_CODEC_ID_NONE
1737 && codec_id != AV_CODEC_ID_AAC
1738 && codec_id != AV_CODEC_ID_MP3
1739 && codec_id != AV_CODEC_ID_VORBIS) {
1740 ALOGI("[mkv]audio codec(%s), confidence should be larger than MatroskaExtractor",
1741 avcodec_get_name(codec_id));
1742 *confidence = 0.61f;
1746 static void adjustCodecConfidence(AVFormatContext *ic, float *confidence)
1748 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1750 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1751 if (codec_id != AV_CODEC_ID_NONE) {
1752 if (!isCodecSupportedByStagefright(codec_id)) {
1753 *confidence = 0.88f;
1757 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1758 if (codec_id != AV_CODEC_ID_NONE) {
1759 if (!isCodecSupportedByStagefright(codec_id)) {
1760 *confidence = 0.88f;
1764 if (getCodecId(ic, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE
1765 && getCodecId(ic, AVMEDIA_TYPE_AUDIO) == AV_CODEC_ID_MP3) {
1766 *confidence = 0.22f; //larger than MP3Extractor
1770 //TODO need more checks
1771 static void adjustConfidenceIfNeeded(const char *mime,
1772 AVFormatContext *ic, float *confidence)
1775 if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4)) {
1776 adjustMPEG4Confidence(ic, confidence);
1777 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2TS)) {
1778 adjustMPEG2TSConfidence(ic, confidence);
1779 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA)) {
1780 adjustMKVConfidence(ic, confidence);
1785 if (*confidence > 0.08) {
1790 adjustCodecConfidence(ic, confidence);
1793 static void adjustContainerIfNeeded(const char **mime, AVFormatContext *ic)
1795 const char *newMime = *mime;
1796 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1798 AVCodecContext *avctx = getCodecContext(ic, AVMEDIA_TYPE_VIDEO);
1799 if (avctx != NULL && getDivXVersion(avctx) >= 0) {
1800 newMime = MEDIA_MIMETYPE_VIDEO_DIVX;
1802 } else if (hasAudioCodecOnly(ic)) {
1803 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1804 CHECK(codec_id != AV_CODEC_ID_NONE);
1806 case AV_CODEC_ID_MP3:
1807 newMime = MEDIA_MIMETYPE_AUDIO_MPEG;
1809 case AV_CODEC_ID_AAC:
1810 newMime = MEDIA_MIMETYPE_AUDIO_AAC;
1812 case AV_CODEC_ID_VORBIS:
1813 newMime = MEDIA_MIMETYPE_AUDIO_VORBIS;
1815 case AV_CODEC_ID_FLAC:
1816 newMime = MEDIA_MIMETYPE_AUDIO_FLAC;
1818 case AV_CODEC_ID_AC3:
1819 newMime = MEDIA_MIMETYPE_AUDIO_AC3;
1821 case AV_CODEC_ID_APE:
1822 newMime = MEDIA_MIMETYPE_AUDIO_APE;
1824 case AV_CODEC_ID_DTS:
1825 newMime = MEDIA_MIMETYPE_AUDIO_DTS;
1827 case AV_CODEC_ID_MP2:
1828 newMime = MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II;
1830 case AV_CODEC_ID_COOK:
1831 newMime = MEDIA_MIMETYPE_AUDIO_RA;
1833 case AV_CODEC_ID_WMAV1:
1834 case AV_CODEC_ID_WMAV2:
1835 case AV_CODEC_ID_WMAPRO:
1836 case AV_CODEC_ID_WMALOSSLESS:
1837 newMime = MEDIA_MIMETYPE_AUDIO_WMA;
1843 if (!strcmp(*mime, MEDIA_MIMETYPE_CONTAINER_FFMPEG)) {
1844 newMime = MEDIA_MIMETYPE_AUDIO_FFMPEG;
1848 if (strcmp(*mime, newMime)) {
1849 ALOGI("adjust mime(%s -> %s)", *mime, newMime);
1854 static const char *findMatchingContainer(const char *name)
1857 #if SUPPOURT_UNKNOWN_FORMAT
1858 //The FFmpegExtractor support all ffmpeg formats!!!
1859 //Unknown format is defined as MEDIA_MIMETYPE_CONTAINER_FFMPEG
1860 const char *container = MEDIA_MIMETYPE_CONTAINER_FFMPEG;
1862 const char *container = NULL;
1865 ALOGV("list the formats suppoted by ffmpeg: ");
1866 ALOGV("========================================");
1867 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1868 ALOGV("format_names[%02d]: %s", i, FILE_FORMATS[i].format);
1870 ALOGV("========================================");
1872 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1873 int len = strlen(FILE_FORMATS[i].format);
1874 if (!strncasecmp(name, FILE_FORMATS[i].format, len)) {
1875 container = FILE_FORMATS[i].container;
1883 static const char *SniffFFMPEGCommon(const char *url, float *confidence, bool fastMPEG4)
1887 size_t nb_streams = 0;
1888 const char *container = NULL;
1889 AVFormatContext *ic = NULL;
1890 AVDictionary *codec_opts = NULL;
1891 AVDictionary **opts = NULL;
1893 status_t status = initFFmpeg();
1895 ALOGE("could not init ffmpeg");
1899 ic = avformat_alloc_context();
1902 ALOGE("oom for alloc avformat context");
1906 err = avformat_open_input(&ic, url, NULL, NULL);
1909 ALOGE("%s: avformat_open_input failed, err:%s", url, av_err2str(err));
1913 if (ic->iformat != NULL && ic->iformat->name != NULL &&
1914 findMatchingContainer(ic->iformat->name) != NULL &&
1915 !strcasecmp(findMatchingContainer(ic->iformat->name),
1916 MEDIA_MIMETYPE_CONTAINER_MPEG4)) {
1918 container = findMatchingContainer(ic->iformat->name);
1923 opts = setup_find_stream_info_opts(ic, codec_opts);
1924 nb_streams = ic->nb_streams;
1925 err = avformat_find_stream_info(ic, opts);
1927 ALOGE("%s: could not find stream info, err:%s", url, av_err2str(err));
1930 for (i = 0; i < nb_streams; i++) {
1931 av_dict_free(&opts[i]);
1935 av_dump_format(ic, 0, url, 0);
1937 ALOGD("FFmpegExtrator, url: %s, format_name: %s, format_long_name: %s",
1938 url, ic->iformat->name, ic->iformat->long_name);
1940 container = findMatchingContainer(ic->iformat->name);
1942 adjustContainerIfNeeded(&container, ic);
1943 adjustConfidenceIfNeeded(container, ic, confidence);
1948 avformat_close_input(&ic);
1957 static const char *BetterSniffFFMPEG(const sp<DataSource> &source,
1958 float *confidence, sp<AMessage> meta)
1960 const char *ret = NULL;
1961 char url[PATH_MAX] = {0};
1963 ALOGI("android-source:%p", source.get());
1965 // pass the addr of smart pointer("source")
1966 snprintf(url, sizeof(url), "android-source:%p", source.get());
1968 ret = SniffFFMPEGCommon(url, confidence, (source->flags() & DataSource::kIsCachingDataSource));
1970 meta->setString("extended-extractor-url", url);
1976 static const char *LegacySniffFFMPEG(const sp<DataSource> &source,
1977 float *confidence, sp<AMessage> meta)
1979 const char *ret = NULL;
1980 char url[PATH_MAX] = {0};
1982 String8 uri = source->getUri();
1983 if (!uri.string()) {
1987 ALOGV("source url:%s", uri.string());
1989 // pass the addr of smart pointer("source") + file name
1990 snprintf(url, sizeof(url), "android-source:%p|file:%s", source.get(), uri.string());
1992 ret = SniffFFMPEGCommon(url, confidence, false);
1994 meta->setString("extended-extractor-url", url);
2001 const sp<DataSource> &source, String8 *mimeType, float *confidence,
2002 sp<AMessage> *meta) {
2003 ALOGV("SniffFFMPEG");
2005 *meta = new AMessage;
2006 *confidence = 0.08f; // be the last resort, by default
2008 const char *container = BetterSniffFFMPEG(source, confidence, *meta);
2010 ALOGW("sniff through BetterSniffFFMPEG failed, try LegacySniffFFMPEG");
2011 container = LegacySniffFFMPEG(source, confidence, *meta);
2013 ALOGV("sniff through LegacySniffFFMPEG success");
2016 ALOGV("sniff through BetterSniffFFMPEG success");
2019 if (container == NULL) {
2020 ALOGD("SniffFFMPEG failed to sniff this source");
2026 ALOGD("ffmpeg detected media content as '%s' with confidence %.2f",
2027 container, *confidence);
2029 /* use MPEG4Extractor(not extended extractor) for HTTP source only */
2030 if (!strcasecmp(container, MEDIA_MIMETYPE_CONTAINER_MPEG4)
2031 && (source->flags() & DataSource::kIsCachingDataSource)) {
2032 ALOGI("support container: %s, but it is caching data source, "
2033 "Don't use ffmpegextractor", container);
2039 mimeType->setTo(container);
2041 (*meta)->setString("extended-extractor", "extended-extractor");
2042 (*meta)->setString("extended-extractor-subtype", "ffmpegextractor");
2043 (*meta)->setString("extended-extractor-mime", container);
2046 char value[PROPERTY_VALUE_MAX];
2047 property_get("sys.media.parser.ffmpeg", value, "0");
2049 ALOGD("[debug] use ffmpeg parser");
2050 *confidence = 0.88f;
2053 if (*confidence > 0.08f) {
2054 (*meta)->setString("extended-extractor-use", "ffmpegextractor");
2060 MediaExtractor *CreateFFmpegExtractor(const sp<DataSource> &source, const char *mime, const sp<AMessage> &meta) {
2061 MediaExtractor *ret = NULL;
2063 if (meta.get() && meta->findString("extended-extractor", ¬use) && (
2064 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG) ||
2065 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC) ||
2066 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS) ||
2067 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC) ||
2068 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AC3) ||
2069 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_APE) ||
2070 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_DTS) ||
2071 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II) ||
2072 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RA) ||
2073 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_WMA) ||
2074 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FFMPEG) ||
2075 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4) ||
2076 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MOV) ||
2077 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA) ||
2078 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_TS) ||
2079 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2PS) ||
2080 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_AVI) ||
2081 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_ASF) ||
2082 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WEBM) ||
2083 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WMV) ||
2084 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPG) ||
2085 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FLV) ||
2086 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_DIVX) ||
2087 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_RM) ||
2088 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WAV) ||
2089 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FLAC) ||
2090 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_APE) ||
2091 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_DTS) ||
2092 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MP2) ||
2093 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_RA) ||
2094 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_OGG) ||
2095 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_VC1) ||
2096 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_HEVC) ||
2097 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WMA) ||
2098 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FFMPEG))) {
2099 ret = new FFmpegExtractor(source, meta);
2102 ALOGD("%ssupported mime: %s", (ret ? "" : "un"), mime);
2106 } // namespace android
2108 extern "C" void getExtractorPlugin(android::MediaExtractor::Plugin *plugin)
2110 plugin->sniff = android::SniffFFMPEG;
2111 plugin->create = android::CreateFFmpegExtractor;