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;
98 size_t mNALLengthSize;
104 int64_t mFirstKeyPktTimestamp;
108 DISALLOW_EVIL_CONSTRUCTORS(FFmpegSource);
111 ////////////////////////////////////////////////////////////////////////////////
113 FFmpegExtractor::FFmpegExtractor(const sp<DataSource> &source, const sp<AMessage> &meta)
114 : mDataSource(source),
117 mFFmpegInited(false),
119 mReaderThreadStarted(false) {
120 ALOGV("FFmpegExtractor::FFmpegExtractor");
122 fetchStuffsFromSniffedMeta(meta);
124 int err = initStreams();
126 ALOGE("failed to init ffmpeg");
130 // start reader here, as we want to extract extradata from bitstream if no extradata
133 while(mProbePkts <= EXTRACTOR_MAX_PROBE_PACKETS && !mEOF &&
134 (mFormatCtx->pb ? !mFormatCtx->pb->error : 1) &&
135 (mDefersToCreateVideoTrack || mDefersToCreateAudioTrack)) {
136 ALOGV("mProbePkts=%d", mProbePkts);
140 ALOGV("mProbePkts: %d, mEOF: %d, pb->error(if has): %d, mDefersToCreateVideoTrack: %d, mDefersToCreateAudioTrack: %d",
141 mProbePkts, mEOF, mFormatCtx->pb ? mFormatCtx->pb->error : 0, mDefersToCreateVideoTrack, mDefersToCreateAudioTrack);
146 FFmpegExtractor::~FFmpegExtractor() {
147 ALOGV("FFmpegExtractor::~FFmpegExtractor");
148 // stop reader here if no track!
151 Mutex::Autolock autoLock(mLock);
155 size_t FFmpegExtractor::countTracks() {
156 return mInitCheck == OK ? mTracks.size() : 0;
159 sp<MediaSource> FFmpegExtractor::getTrack(size_t index) {
160 ALOGV("FFmpegExtractor::getTrack[%d]", index);
162 if (mInitCheck != OK) {
166 if (index >= mTracks.size()) {
170 return new FFmpegSource(this, index);
173 sp<MetaData> FFmpegExtractor::getTrackMetaData(size_t index, uint32_t flags __unused) {
174 ALOGV("FFmpegExtractor::getTrackMetaData[%d]", index);
176 if (mInitCheck != OK) {
180 if (index >= mTracks.size()) {
184 /* Quick and dirty, just get a frame 1/4 in */
185 if (mTracks.itemAt(index).mIndex == mVideoStreamIdx) {
186 int64_t thumb_ts = av_rescale_q((mFormatCtx->streams[mVideoStreamIdx]->duration / 4),
187 mFormatCtx->streams[mVideoStreamIdx]->time_base, AV_TIME_BASE_Q);
188 mTracks.itemAt(index).mMeta->setInt64(kKeyThumbnailTime, thumb_ts);
191 return mTracks.itemAt(index).mMeta;
194 sp<MetaData> FFmpegExtractor::getMetaData() {
195 ALOGV("FFmpegExtractor::getMetaData");
197 if (mInitCheck != OK) {
204 uint32_t FFmpegExtractor::flags() const {
205 ALOGV("FFmpegExtractor::flags");
207 if (mInitCheck != OK) {
211 uint32_t flags = CAN_PAUSE;
213 if (mFormatCtx->duration != AV_NOPTS_VALUE) {
214 flags |= CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_SEEK;
220 int FFmpegExtractor::check_extradata(AVCodecContext *avctx)
222 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
223 const char *name = NULL;
224 bool *defersToCreateTrack = NULL;
225 AVBitStreamFilterContext **bsfc = NULL;
228 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
230 defersToCreateTrack = &mDefersToCreateVideoTrack;
231 } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO){
233 defersToCreateTrack = &mDefersToCreateAudioTrack;
236 codec_id = avctx->codec_id;
239 if (codec_id != AV_CODEC_ID_H264
240 && codec_id != AV_CODEC_ID_MPEG4
241 && codec_id != AV_CODEC_ID_MPEG1VIDEO
242 && codec_id != AV_CODEC_ID_MPEG2VIDEO
243 && codec_id != AV_CODEC_ID_AAC) {
247 // is extradata compatible with android?
248 if (codec_id != AV_CODEC_ID_AAC) {
249 int is_compatible = is_extradata_compatible_with_android(avctx);
250 if (!is_compatible) {
251 ALOGI("%s extradata is not compatible with android, should to extract it from bitstream",
252 av_get_media_type_string(avctx->codec_type));
253 *defersToCreateTrack = true;
254 *bsfc = NULL; // H264 don't need bsfc, only AAC?
260 if (codec_id == AV_CODEC_ID_AAC) {
261 name = "aac_adtstoasc";
264 if (avctx->extradata_size <= 0) {
265 ALOGI("No %s extradata found, should to extract it from bitstream",
266 av_get_media_type_string(avctx->codec_type));
267 *defersToCreateTrack = true;
268 //CHECK(name != NULL);
269 if (!*bsfc && name) {
270 *bsfc = av_bitstream_filter_init(name);
272 ALOGE("Cannot open the %s BSF!", name);
273 *defersToCreateTrack = false;
276 ALOGV("open the %s bsf", name);
286 void FFmpegExtractor::printTime(int64_t time)
288 int hours, mins, secs, us;
290 if (time == AV_NOPTS_VALUE)
293 secs = time / AV_TIME_BASE;
294 us = time % AV_TIME_BASE;
299 ALOGI("the time is %02d:%02d:%02d.%02d",
300 hours, mins, secs, (100 * us) / AV_TIME_BASE);
303 bool FFmpegExtractor::is_codec_supported(enum AVCodecID codec_id)
305 bool supported = false;
308 case AV_CODEC_ID_H264:
309 case AV_CODEC_ID_MPEG4:
310 case AV_CODEC_ID_H263:
311 case AV_CODEC_ID_H263P:
312 case AV_CODEC_ID_H263I:
313 case AV_CODEC_ID_AAC:
314 case AV_CODEC_ID_AC3:
315 case AV_CODEC_ID_MP2:
316 case AV_CODEC_ID_MP3:
317 case AV_CODEC_ID_MPEG1VIDEO:
318 case AV_CODEC_ID_MPEG2VIDEO:
319 case AV_CODEC_ID_WMV1:
320 case AV_CODEC_ID_WMV2:
321 case AV_CODEC_ID_WMV3:
322 case AV_CODEC_ID_VC1:
323 case AV_CODEC_ID_WMAV1:
324 case AV_CODEC_ID_WMAV2:
325 case AV_CODEC_ID_WMAPRO:
326 case AV_CODEC_ID_WMALOSSLESS:
327 case AV_CODEC_ID_RV20:
328 case AV_CODEC_ID_RV30:
329 case AV_CODEC_ID_RV40:
330 case AV_CODEC_ID_COOK:
331 case AV_CODEC_ID_APE:
332 case AV_CODEC_ID_DTS:
333 case AV_CODEC_ID_FLAC:
334 case AV_CODEC_ID_FLV1:
335 case AV_CODEC_ID_VORBIS:
336 case AV_CODEC_ID_HEVC:
341 ALOGD("unsuppoted codec(%s), but give it a chance",
342 avcodec_get_name(codec_id));
343 //Won't promise that the following codec id can be supported.
344 //Just give these codecs a chance.
352 sp<MetaData> FFmpegExtractor::setVideoFormat(AVStream *stream)
354 AVCodecContext *avctx = NULL;
355 sp<MetaData> meta = NULL;
357 avctx = stream->codec;
358 CHECK_EQ(avctx->codec_type, AVMEDIA_TYPE_VIDEO);
360 switch(avctx->codec_id) {
361 case AV_CODEC_ID_H264:
362 if (avctx->extradata[0] == 1) {
363 meta = setAVCFormat(avctx);
365 meta = setH264Format(avctx);
368 case AV_CODEC_ID_MPEG4:
369 meta = setMPEG4Format(avctx);
371 case AV_CODEC_ID_H263:
372 case AV_CODEC_ID_H263P:
373 case AV_CODEC_ID_H263I:
374 meta = setH263Format(avctx);
376 case AV_CODEC_ID_MPEG1VIDEO:
377 case AV_CODEC_ID_MPEG2VIDEO:
378 meta = setMPEG2VIDEOFormat(avctx);
380 case AV_CODEC_ID_VC1:
381 meta = setVC1Format(avctx);
383 case AV_CODEC_ID_WMV1:
384 meta = setWMV1Format(avctx);
386 case AV_CODEC_ID_WMV2:
387 meta = setWMV2Format(avctx);
389 case AV_CODEC_ID_WMV3:
390 meta = setWMV3Format(avctx);
392 case AV_CODEC_ID_RV20:
393 meta = setRV20Format(avctx);
395 case AV_CODEC_ID_RV30:
396 meta = setRV30Format(avctx);
398 case AV_CODEC_ID_RV40:
399 meta = setRV40Format(avctx);
401 case AV_CODEC_ID_FLV1:
402 meta = setFLV1Format(avctx);
404 case AV_CODEC_ID_HEVC:
405 meta = setHEVCFormat(avctx);
407 case AV_CODEC_ID_VP8:
408 meta = setVP8Format(avctx);
410 case AV_CODEC_ID_VP9:
411 meta = setVP9Format(avctx);
414 ALOGD("unsuppoted video codec(id:%d, name:%s), but give it a chance",
415 avctx->codec_id, avcodec_get_name(avctx->codec_id));
417 meta->setInt32(kKeyCodecId, avctx->codec_id);
418 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_FFMPEG);
419 if (avctx->extradata_size > 0) {
420 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
422 //CHECK(!"Should not be here. Unsupported codec.");
430 if (avctx->sample_aspect_ratio.num == 0)
433 aspect_ratio = av_q2d(avctx->sample_aspect_ratio);
435 if (aspect_ratio <= 0.0)
437 aspect_ratio *= (float)avctx->width / (float)avctx->height;
439 /* XXX: we suppose the screen has a 1.0 pixel ratio */
440 height = avctx->height;
441 width = ((int)rint(height * aspect_ratio)) & ~1;
443 ALOGI("width: %d, height: %d, bit_rate: %d aspect ratio: %f",
444 avctx->width, avctx->height, avctx->bit_rate, aspect_ratio);
446 meta->setInt32(kKeyWidth, avctx->width);
447 meta->setInt32(kKeyHeight, avctx->height);
448 if ((width > 0) && (height > 0) &&
449 ((avctx->width != width || avctx->height != height))) {
450 meta->setInt32(kKeySARWidth, width);
451 meta->setInt32(kKeySARHeight, height);
452 ALOGI("SAR width: %d, SAR height: %d", width, height);
454 if (avctx->bit_rate > 0) {
455 meta->setInt32(kKeyBitRate, avctx->bit_rate);
457 setDurationMetaData(stream, meta);
463 sp<MetaData> FFmpegExtractor::setAudioFormat(AVStream *stream)
465 AVCodecContext *avctx = NULL;
466 sp<MetaData> meta = NULL;
468 avctx = stream->codec;
469 CHECK_EQ(avctx->codec_type, AVMEDIA_TYPE_AUDIO);
471 switch(avctx->codec_id) {
472 case AV_CODEC_ID_MP2:
473 meta = setMP2Format(avctx);
475 case AV_CODEC_ID_MP3:
476 meta = setMP3Format(avctx);
478 case AV_CODEC_ID_VORBIS:
479 meta = setVORBISFormat(avctx);
481 case AV_CODEC_ID_AC3:
482 meta = setAC3Format(avctx);
484 case AV_CODEC_ID_AAC:
485 meta = setAACFormat(avctx);
487 case AV_CODEC_ID_WMAV1:
488 meta = setWMAV1Format(avctx);
490 case AV_CODEC_ID_WMAV2:
491 meta = setWMAV2Format(avctx);
493 case AV_CODEC_ID_WMAPRO:
494 meta = setWMAProFormat(avctx);
496 case AV_CODEC_ID_WMALOSSLESS:
497 meta = setWMALossLessFormat(avctx);
499 case AV_CODEC_ID_COOK:
500 meta = setRAFormat(avctx);
502 case AV_CODEC_ID_APE:
503 meta = setAPEFormat(avctx);
505 case AV_CODEC_ID_DTS:
506 meta = setDTSFormat(avctx);
508 case AV_CODEC_ID_FLAC:
509 meta = setFLACFormat(avctx);
512 ALOGD("unsuppoted audio codec(id:%d, name:%s), but give it a chance",
513 avctx->codec_id, avcodec_get_name(avctx->codec_id));
515 meta->setInt32(kKeyCodecId, avctx->codec_id);
516 meta->setInt32(kKeyCodedSampleBits, avctx->bits_per_coded_sample);
517 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_FFMPEG);
518 if (avctx->extradata_size > 0) {
519 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
521 //CHECK(!"Should not be here. Unsupported codec.");
526 ALOGD("bit_rate: %d, sample_rate: %d, channels: %d, "
527 "bits_per_coded_sample: %d, block_align: %d "
528 "bits_per_raw_sample: %d, sample_format: %d",
529 avctx->bit_rate, avctx->sample_rate, avctx->channels,
530 avctx->bits_per_coded_sample, avctx->block_align,
531 avctx->bits_per_raw_sample, avctx->sample_fmt);
533 meta->setInt32(kKeyChannelCount, avctx->channels);
534 meta->setInt32(kKeyBitRate, avctx->bit_rate);
535 int32_t bits = avctx->bits_per_raw_sample > 0 ?
536 avctx->bits_per_raw_sample :
537 av_get_bytes_per_sample(avctx->sample_fmt) * 8;
538 meta->setInt32(kKeyBitsPerSample, bits > 0 ? bits : 16);
539 meta->setInt32(kKeySampleRate, avctx->sample_rate);
540 meta->setInt32(kKeyBlockAlign, avctx->block_align);
541 meta->setInt32(kKeySampleFormat, avctx->sample_fmt);
542 meta->setInt32('pfmt', to_android_audio_format(avctx->sample_fmt));
543 setDurationMetaData(stream, meta);
549 void FFmpegExtractor::setDurationMetaData(AVStream *stream, sp<MetaData> &meta)
551 AVCodecContext *avctx = stream->codec;
553 if (stream->duration != AV_NOPTS_VALUE) {
554 int64_t duration = av_rescale_q(stream->duration, stream->time_base, AV_TIME_BASE_Q);
556 const char *s = av_get_media_type_string(avctx->codec_type);
557 if (stream->start_time != AV_NOPTS_VALUE) {
558 ALOGV("%s startTime:%lld", s, stream->start_time);
560 ALOGV("%s startTime:N/A", s);
562 meta->setInt64(kKeyDuration, duration);
564 // default when no stream duration
565 meta->setInt64(kKeyDuration, mFormatCtx->duration);
569 int FFmpegExtractor::stream_component_open(int stream_index)
571 TrackInfo *trackInfo = NULL;
572 AVCodecContext *avctx = NULL;
573 sp<MetaData> meta = NULL;
574 bool supported = false;
576 const void *data = NULL;
580 ALOGI("stream_index: %d", stream_index);
581 if (stream_index < 0 || stream_index >= (int)mFormatCtx->nb_streams)
583 avctx = mFormatCtx->streams[stream_index]->codec;
585 supported = is_codec_supported(avctx->codec_id);
588 ALOGE("unsupport the codec(%s)", avcodec_get_name(avctx->codec_id));
590 } else if (mFormatCtx->streams[stream_index]->disposition & AV_DISPOSITION_ATTACHED_PIC) {
591 ALOGD("not opening attached picture(%s)", avcodec_get_name(avctx->codec_id));
594 ALOGI("support the codec(%s)", avcodec_get_name(avctx->codec_id));
597 for (size_t i = 0; i < mTracks.size(); ++i) {
598 if (stream_index == mTracks.editItemAt(i).mIndex) {
599 ALOGE("this track already exists");
604 mFormatCtx->streams[stream_index]->discard = AVDISCARD_DEFAULT;
607 av_get_codec_tag_string(tagbuf, sizeof(tagbuf), avctx->codec_tag);
608 ALOGV("Tag %s/0x%08x with codec(%s)\n", tagbuf, avctx->codec_tag, avcodec_get_name(avctx->codec_id));
610 switch (avctx->codec_type) {
611 case AVMEDIA_TYPE_VIDEO:
612 if (mVideoStreamIdx == -1)
613 mVideoStreamIdx = stream_index;
614 if (mVideoStream == NULL)
615 mVideoStream = mFormatCtx->streams[stream_index];
617 ret = check_extradata(avctx);
620 // disable the stream
621 mVideoStreamIdx = -1;
623 packet_queue_flush(&mVideoQ);
624 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
629 if (avctx->extradata) {
630 ALOGV("video stream extradata:");
631 hexdump(avctx->extradata, avctx->extradata_size);
633 ALOGV("video stream no extradata, but we can ignore it.");
636 meta = setVideoFormat(mVideoStream);
638 ALOGE("setVideoFormat failed");
642 ALOGV("create a video track");
644 trackInfo = &mTracks.editItemAt(mTracks.size() - 1);
645 trackInfo->mIndex = stream_index;
646 trackInfo->mMeta = meta;
647 trackInfo->mStream = mVideoStream;
648 trackInfo->mQueue = &mVideoQ;
650 mDefersToCreateVideoTrack = false;
653 case AVMEDIA_TYPE_AUDIO:
654 if (mAudioStreamIdx == -1)
655 mAudioStreamIdx = stream_index;
656 if (mAudioStream == NULL)
657 mAudioStream = mFormatCtx->streams[stream_index];
659 ret = check_extradata(avctx);
662 // disable the stream
663 mAudioStreamIdx = -1;
665 packet_queue_flush(&mAudioQ);
666 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
671 if (avctx->extradata) {
672 ALOGV("audio stream extradata(%d):", avctx->extradata_size);
673 hexdump(avctx->extradata, avctx->extradata_size);
675 ALOGV("audio stream no extradata, but we can ignore it.");
678 meta = setAudioFormat(mAudioStream);
680 ALOGE("setAudioFormat failed");
684 ALOGV("create a audio track");
686 trackInfo = &mTracks.editItemAt(mTracks.size() - 1);
687 trackInfo->mIndex = stream_index;
688 trackInfo->mMeta = meta;
689 trackInfo->mStream = mAudioStream;
690 trackInfo->mQueue = &mAudioQ;
692 mDefersToCreateAudioTrack = false;
695 case AVMEDIA_TYPE_SUBTITLE:
697 CHECK(!"Should not be here. Unsupported media type.");
700 CHECK(!"Should not be here. Unsupported media type.");
706 void FFmpegExtractor::stream_component_close(int stream_index)
708 AVCodecContext *avctx;
710 if (stream_index < 0 || stream_index >= (int)mFormatCtx->nb_streams)
712 avctx = mFormatCtx->streams[stream_index]->codec;
714 switch (avctx->codec_type) {
715 case AVMEDIA_TYPE_VIDEO:
716 ALOGV("packet_queue_abort videoq");
717 packet_queue_abort(&mVideoQ);
718 ALOGV("packet_queue_end videoq");
719 packet_queue_flush(&mVideoQ);
721 case AVMEDIA_TYPE_AUDIO:
722 ALOGV("packet_queue_abort audioq");
723 packet_queue_abort(&mAudioQ);
724 ALOGV("packet_queue_end audioq");
725 packet_queue_flush(&mAudioQ);
727 case AVMEDIA_TYPE_SUBTITLE:
733 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
734 switch (avctx->codec_type) {
735 case AVMEDIA_TYPE_VIDEO:
737 mVideoStreamIdx = -1;
739 av_bitstream_filter_close(mVideoBsfc);
743 case AVMEDIA_TYPE_AUDIO:
745 mAudioStreamIdx = -1;
747 av_bitstream_filter_close(mAudioBsfc);
751 case AVMEDIA_TYPE_SUBTITLE:
758 void FFmpegExtractor::reachedEOS(enum AVMediaType media_type)
760 Mutex::Autolock autoLock(mLock);
762 if (media_type == AVMEDIA_TYPE_VIDEO) {
763 mVideoEOSReceived = true;
764 } else if (media_type == AVMEDIA_TYPE_AUDIO) {
765 mAudioEOSReceived = true;
770 /* seek in the stream */
771 int FFmpegExtractor::stream_seek(int64_t pos, enum AVMediaType media_type,
772 MediaSource::ReadOptions::SeekMode mode)
774 Mutex::Autolock _l(mLock);
776 if (mSeekIdx >= 0 || (mVideoStreamIdx >= 0
777 && mAudioStreamIdx >= 0
778 && media_type == AVMEDIA_TYPE_AUDIO
779 && !mVideoEOSReceived)) {
784 if (mAudioStreamIdx >= 0)
785 packet_queue_flush(&mAudioQ);
786 if (mVideoStreamIdx >= 0)
787 packet_queue_flush(&mVideoQ);
789 mSeekIdx = media_type == AVMEDIA_TYPE_VIDEO ? mVideoStreamIdx : mAudioStreamIdx;
792 //mSeekFlags &= ~AVSEEK_FLAG_BYTE;
793 //if (mSeekByBytes) {
794 // mSeekFlags |= AVSEEK_FLAG_BYTE;
798 case MediaSource::ReadOptions::SEEK_PREVIOUS_SYNC:
799 mSeekMin = INT64_MIN;
802 case MediaSource::ReadOptions::SEEK_NEXT_SYNC:
804 mSeekMax = INT64_MAX;
806 case MediaSource::ReadOptions::SEEK_CLOSEST_SYNC:
807 mSeekMin = INT64_MIN;
808 mSeekMax = INT64_MAX;
810 case MediaSource::ReadOptions::SEEK_CLOSEST:
811 mSeekMin = INT64_MIN;
818 mCondition.wait(mLock);
823 int FFmpegExtractor::decode_interrupt_cb(void *ctx)
825 FFmpegExtractor *extractor = static_cast<FFmpegExtractor *>(ctx);
826 return extractor->mAbortRequest;
829 void FFmpegExtractor::fetchStuffsFromSniffedMeta(const sp<AMessage> &meta)
835 CHECK(meta->findString("extended-extractor-url", &url));
836 CHECK(url.c_str() != NULL);
837 CHECK(url.size() < PATH_MAX);
839 memcpy(mFilename, url.c_str(), url.size());
840 mFilename[url.size()] = '\0';
843 CHECK(meta->findString("extended-extractor-mime", &mime));
844 CHECK(mime.c_str() != NULL);
845 mMeta->setCString(kKeyMIMEType, mime.c_str());
848 void FFmpegExtractor::setFFmpegDefaultOpts()
851 #if DEBUG_DISABLE_VIDEO
856 #if DEBUG_DISABLE_AUDIO
862 mSeekByBytes = 0; /* seek by bytes 0=off 1=on -1=auto" */
863 mDuration = AV_NOPTS_VALUE;
864 mSeekPos = AV_NOPTS_VALUE;
865 mSeekMin = INT64_MIN;
866 mSeekMax = INT64_MAX;
869 mVideoStreamIdx = -1;
870 mAudioStreamIdx = -1;
873 mDefersToCreateVideoTrack = false;
874 mDefersToCreateAudioTrack = false;
887 int FFmpegExtractor::initStreams()
891 status_t status = UNKNOWN_ERROR;
893 int ret = 0, audio_ret = -1, video_ret = -1;
894 int pkt_in_play_range = 0;
895 AVDictionaryEntry *t = NULL;
896 AVDictionary **opts = NULL;
897 int orig_nb_streams = 0;
898 int st_index[AVMEDIA_TYPE_NB] = {0};
899 int wanted_stream[AVMEDIA_TYPE_NB] = {0};
900 st_index[AVMEDIA_TYPE_AUDIO] = -1;
901 st_index[AVMEDIA_TYPE_VIDEO] = -1;
902 wanted_stream[AVMEDIA_TYPE_AUDIO] = -1;
903 wanted_stream[AVMEDIA_TYPE_VIDEO] = -1;
904 AVDictionary *format_opts = NULL, *codec_opts = NULL;
905 const char *mime = NULL;
907 setFFmpegDefaultOpts();
909 status = initFFmpeg();
914 mFFmpegInited = true;
916 mFormatCtx = avformat_alloc_context();
919 ALOGE("oom for alloc avformat context");
923 mFormatCtx->interrupt_callback.callback = decode_interrupt_cb;
924 mFormatCtx->interrupt_callback.opaque = this;
925 ALOGV("mFilename: %s", mFilename);
926 err = avformat_open_input(&mFormatCtx, mFilename, NULL, &format_opts);
928 ALOGE("%s: avformat_open_input failed, err:%s", mFilename, av_err2str(err));
933 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
934 ALOGE("Option %s not found.\n", t->key);
935 //ret = AVERROR_OPTION_NOT_FOUND;
937 av_dict_free(&format_opts);
941 av_dict_free(&format_opts);
944 mFormatCtx->flags |= AVFMT_FLAG_GENPTS;
946 opts = setup_find_stream_info_opts(mFormatCtx, codec_opts);
947 orig_nb_streams = mFormatCtx->nb_streams;
949 err = avformat_find_stream_info(mFormatCtx, opts);
951 ALOGE("%s: could not find stream info, err:%s", mFilename, av_err2str(err));
955 for (i = 0; i < orig_nb_streams; i++)
956 av_dict_free(&opts[i]);
960 mFormatCtx->pb->eof_reached = 0; // FIXME hack, ffplay maybe should not use url_feof() to test for the end
962 if (mSeekByBytes < 0)
963 mSeekByBytes = !!(mFormatCtx->iformat->flags & AVFMT_TS_DISCONT)
964 && strcmp("ogg", mFormatCtx->iformat->name);
966 for (i = 0; i < (int)mFormatCtx->nb_streams; i++)
967 mFormatCtx->streams[i]->discard = AVDISCARD_ALL;
969 st_index[AVMEDIA_TYPE_VIDEO] =
970 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_VIDEO,
971 wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
973 st_index[AVMEDIA_TYPE_AUDIO] =
974 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_AUDIO,
975 wanted_stream[AVMEDIA_TYPE_AUDIO],
976 st_index[AVMEDIA_TYPE_VIDEO],
979 av_dump_format(mFormatCtx, 0, mFilename, 0);
982 if (mFormatCtx->duration != AV_NOPTS_VALUE &&
983 mFormatCtx->start_time != AV_NOPTS_VALUE) {
984 int hours, mins, secs, us;
986 ALOGV("file startTime: %lld", mFormatCtx->start_time);
988 mDuration = mFormatCtx->duration;
990 secs = mDuration / AV_TIME_BASE;
991 us = mDuration % AV_TIME_BASE;
996 ALOGI("the duration is %02d:%02d:%02d.%02d",
997 hours, mins, secs, (100 * us) / AV_TIME_BASE);
1000 packet_queue_init(&mVideoQ);
1001 packet_queue_init(&mAudioQ);
1003 if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
1004 audio_ret = stream_component_open(st_index[AVMEDIA_TYPE_AUDIO]);
1006 packet_queue_start(&mAudioQ);
1009 if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
1010 video_ret = stream_component_open(st_index[AVMEDIA_TYPE_VIDEO]);
1012 packet_queue_start(&mVideoQ);
1015 if ( audio_ret < 0 && video_ret < 0) {
1016 ALOGE("%s: could not open codecs\n", mFilename);
1027 void FFmpegExtractor::deInitStreams()
1029 packet_queue_destroy(&mVideoQ);
1030 packet_queue_destroy(&mAudioQ);
1033 avformat_close_input(&mFormatCtx);
1036 if (mFFmpegInited) {
1041 status_t FFmpegExtractor::startReaderThread() {
1042 ALOGV("Starting reader thread");
1044 if (mReaderThreadStarted)
1047 pthread_attr_t attr;
1048 pthread_attr_init(&attr);
1049 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
1051 ALOGD("Reader thread starting");
1053 pthread_create(&mReaderThread, &attr, ReaderWrapper, this);
1054 pthread_attr_destroy(&attr);
1056 mReaderThreadStarted = true;
1057 mCondition.signal();
1062 void FFmpegExtractor::stopReaderThread() {
1063 ALOGV("Stopping reader thread");
1067 if (!mReaderThreadStarted) {
1068 ALOGD("Reader thread have been stopped");
1074 mCondition.signal();
1076 /* close each stream */
1077 if (mAudioStreamIdx >= 0)
1078 stream_component_close(mAudioStreamIdx);
1079 if (mVideoStreamIdx >= 0)
1080 stream_component_close(mVideoStreamIdx);
1083 pthread_join(mReaderThread, NULL);
1087 avformat_close_input(&mFormatCtx);
1090 mReaderThreadStarted = false;
1091 ALOGD("Reader thread stopped");
1097 void *FFmpegExtractor::ReaderWrapper(void *me) {
1098 ((FFmpegExtractor *)me)->readerEntry();
1103 void FFmpegExtractor::readerEntry() {
1105 AVPacket pkt1, *pkt = &pkt1;
1107 int pkt_in_play_range = 0;
1111 pid_t tid = gettid();
1112 androidSetThreadPriority(tid,
1113 mVideoStreamIdx >= 0 ? ANDROID_PRIORITY_NORMAL : ANDROID_PRIORITY_AUDIO);
1114 prctl(PR_SET_NAME, (unsigned long)"FFmpegExtractor Thread", 0, 0, 0);
1116 ALOGV("FFmpegExtractor wait for signal");
1117 while (!mReaderThreadStarted && !mAbortRequest) {
1118 mCondition.wait(mLock);
1120 ALOGV("FFmpegExtractor ready to run");
1122 if (mAbortRequest) {
1126 mVideoEOSReceived = false;
1127 mAudioEOSReceived = false;
1129 while (!mAbortRequest) {
1131 if (mPaused != mLastPaused) {
1132 mLastPaused = mPaused;
1134 mReadPauseReturn = av_read_pause(mFormatCtx);
1136 av_read_play(mFormatCtx);
1138 #if CONFIG_RTSP_DEMUXER || CONFIG_MMSH_PROTOCOL
1140 (!strcmp(mFormatCtx->iformat->name, "rtsp") ||
1141 (mFormatCtx->pb && !strncmp(mFilename, "mmsh:", 5)))) {
1142 /* wait 10 ms to avoid trying to get another packet */
1149 if (mSeekIdx >= 0) {
1150 Mutex::Autolock _l(mLock);
1151 ALOGV("readerEntry, mSeekIdx: %d mSeekPos: %lld (%lld/%lld)", mSeekIdx, mSeekPos, mSeekMin, mSeekMax);
1152 ret = avformat_seek_file(mFormatCtx, -1, mSeekMin, mSeekPos, mSeekMax, 0);
1154 ALOGE("%s: error while seeking", mFormatCtx->filename);
1155 avformat_seek_file(mFormatCtx, -1, 0, 0, 0, 0);
1157 if (mAudioStreamIdx >= 0) {
1158 packet_queue_flush(&mAudioQ);
1159 packet_queue_put(&mAudioQ, &mAudioQ.flush_pkt);
1161 if (mVideoStreamIdx >= 0) {
1162 packet_queue_flush(&mVideoQ);
1163 packet_queue_put(&mVideoQ, &mVideoQ.flush_pkt);
1167 mCondition.signal();
1170 /* if the queue are full, no need to read more */
1171 if ( mAudioQ.size + mVideoQ.size > MAX_QUEUE_SIZE
1172 || ( (mAudioQ .size > MIN_AUDIOQ_SIZE || mAudioStreamIdx < 0)
1173 && (mVideoQ .nb_packets > MIN_FRAMES || mVideoStreamIdx < 0))) {
1174 #if DEBUG_READ_ENTRY
1175 ALOGV("readerEntry, full(wtf!!!), mVideoQ.size: %d, mVideoQ.nb_packets: %d, mAudioQ.size: %d, mAudioQ.nb_packets: %d",
1176 mVideoQ.size, mVideoQ.nb_packets, mAudioQ.size, mAudioQ.nb_packets);
1179 mExtractorMutex.lock();
1180 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1181 mExtractorMutex.unlock();
1186 if (mVideoStreamIdx >= 0) {
1187 packet_queue_put_nullpacket(&mVideoQ, mVideoStreamIdx);
1189 if (mAudioStreamIdx >= 0) {
1190 packet_queue_put_nullpacket(&mAudioQ, mAudioStreamIdx);
1193 mExtractorMutex.lock();
1194 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1196 mExtractorMutex.unlock();
1200 ret = av_read_frame(mFormatCtx, pkt);
1206 if (mFormatCtx->pb && mFormatCtx->pb->error) {
1207 ALOGE("mFormatCtx->pb->error: %d", mFormatCtx->pb->error);
1211 mExtractorMutex.lock();
1212 mCondition.waitRelative(mExtractorMutex, milliseconds(10));
1213 mExtractorMutex.unlock();
1217 if (pkt->stream_index == mVideoStreamIdx) {
1218 if (mDefersToCreateVideoTrack) {
1219 AVCodecContext *avctx = mFormatCtx->streams[mVideoStreamIdx]->codec;
1221 int i = parser_split(avctx, pkt->data, pkt->size);
1222 if (i > 0 && i < FF_MAX_EXTRADATA_SIZE) {
1223 if (avctx->extradata)
1224 av_freep(&avctx->extradata);
1225 avctx->extradata_size= i;
1226 avctx->extradata = (uint8_t *)av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
1227 if (!avctx->extradata) {
1228 //return AVERROR(ENOMEM);
1229 ret = AVERROR(ENOMEM);
1232 // sps + pps(there may be sei in it)
1233 memcpy(avctx->extradata, pkt->data, avctx->extradata_size);
1234 memset(avctx->extradata + i, 0, FF_INPUT_BUFFER_PADDING_SIZE);
1236 av_free_packet(pkt);
1240 stream_component_open(mVideoStreamIdx);
1241 if (!mDefersToCreateVideoTrack)
1242 ALOGI("probe packet counter: %d when create video track ok", mProbePkts);
1243 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1244 ALOGI("probe packet counter to max: %d, create video track: %d",
1245 mProbePkts, !mDefersToCreateVideoTrack);
1247 } else if (pkt->stream_index == mAudioStreamIdx) {
1251 AVCodecContext *avctx = mFormatCtx->streams[mAudioStreamIdx]->codec;
1252 if (mAudioBsfc && pkt && pkt->data) {
1253 ret = av_bitstream_filter_filter(mAudioBsfc, avctx, NULL, &outbuf, &outbuf_size,
1254 pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY);
1256 if (ret < 0 ||!outbuf_size) {
1257 av_free_packet(pkt);
1260 if (outbuf && outbuf != pkt->data) {
1261 memmove(pkt->data, outbuf, outbuf_size);
1262 pkt->size = outbuf_size;
1265 if (mDefersToCreateAudioTrack) {
1266 if (avctx->extradata_size <= 0) {
1267 av_free_packet(pkt);
1270 stream_component_open(mAudioStreamIdx);
1271 if (!mDefersToCreateAudioTrack)
1272 ALOGI("probe packet counter: %d when create audio track ok", mProbePkts);
1273 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1274 ALOGI("probe packet counter to max: %d, create audio track: %d",
1275 mProbePkts, !mDefersToCreateAudioTrack);
1279 if (pkt->stream_index == mAudioStreamIdx) {
1280 packet_queue_put(&mAudioQ, pkt);
1281 } else if (pkt->stream_index == mVideoStreamIdx) {
1282 packet_queue_put(&mVideoQ, pkt);
1284 av_free_packet(pkt);
1291 ALOGV("FFmpegExtractor exit thread(readerEntry)");
1294 ////////////////////////////////////////////////////////////////////////////////
1296 FFmpegSource::FFmpegSource(
1297 const sp<FFmpegExtractor> &extractor, size_t index)
1298 : mExtractor(extractor),
1303 mStream(mExtractor->mTracks.itemAt(index).mStream),
1304 mQueue(mExtractor->mTracks.itemAt(index).mQueue),
1305 mLastPTS(AV_NOPTS_VALUE),
1306 mTargetTime(AV_NOPTS_VALUE) {
1307 sp<MetaData> meta = mExtractor->mTracks.itemAt(index).mMeta;
1310 AVCodecContext *avctx = mStream->codec;
1312 /* Parse codec specific data */
1313 if (avctx->codec_id == AV_CODEC_ID_H264
1314 && avctx->extradata_size > 0
1315 && avctx->extradata[0] == 1) {
1321 CHECK(meta->findData(kKeyAVCC, &type, &data, &size));
1323 const uint8_t *ptr = (const uint8_t *)data;
1326 CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1
1328 // The number of bytes used to encode the length of a NAL unit.
1329 mNALLengthSize = 1 + (ptr[4] & 3);
1331 ALOGV("the stream is AVC, the length of a NAL unit: %d", mNALLengthSize);
1334 } else if (avctx->codec_id == AV_CODEC_ID_HEVC
1335 && avctx->extradata_size > 0) {
1341 CHECK(meta->findData(kKeyHVCC, &type, &data, &size));
1343 const uint8_t *ptr = (const uint8_t *)data;
1346 //CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1
1348 // The number of bytes used to encode the length of a NAL unit.
1349 mNALLengthSize = 1 + (ptr[21] & 3);
1351 ALOGD("the stream is HEVC, the length of a NAL unit: %d", mNALLengthSize);
1358 mMediaType = mStream->codec->codec_type;
1359 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1362 FFmpegSource::~FFmpegSource() {
1363 ALOGV("FFmpegSource::~FFmpegSource %s",
1364 av_get_media_type_string(mMediaType));
1368 status_t FFmpegSource::start(MetaData *params __unused) {
1369 ALOGV("FFmpegSource::start %s",
1370 av_get_media_type_string(mMediaType));
1374 status_t FFmpegSource::stop() {
1375 ALOGV("FFmpegSource::stop %s",
1376 av_get_media_type_string(mMediaType));
1380 sp<MetaData> FFmpegSource::getFormat() {
1381 return mExtractor->mTracks.itemAt(mTrackIndex).mMeta;;
1384 status_t FFmpegSource::read(
1385 MediaBuffer **buffer, const ReadOptions *options) {
1389 bool seeking = false;
1390 bool waitKeyPkt = false;
1391 ReadOptions::SeekMode mode;
1392 int64_t pktTS = AV_NOPTS_VALUE;
1393 int64_t seekTimeUs = AV_NOPTS_VALUE;
1394 int64_t timeUs = AV_NOPTS_VALUE;
1396 status_t status = OK;
1398 int64_t startTimeUs = mStream->start_time == AV_NOPTS_VALUE ? 0 :
1399 av_rescale_q(mStream->start_time, mStream->time_base, AV_TIME_BASE_Q);
1401 if (options && options->getSeekTo(&seekTimeUs, &mode)) {
1402 int64_t seekPTS = seekTimeUs;
1403 ALOGV("~~~%s seekTimeUs: %lld, seekPTS: %lld, mode: %d", av_get_media_type_string(mMediaType), seekTimeUs, seekPTS, mode);
1404 /* add the stream start time */
1405 if (mStream->start_time != AV_NOPTS_VALUE) {
1406 seekPTS += startTimeUs;
1408 ALOGV("~~~%s seekTimeUs[+startTime]: %lld, mode: %d start_time=%lld", av_get_media_type_string(mMediaType), seekPTS, mode, startTimeUs);
1409 seeking = (mExtractor->stream_seek(seekPTS, mMediaType, mode) == SEEK);
1413 if (packet_queue_get(mQueue, &pkt, 1) < 0) {
1414 ALOGD("read %s abort reqeust", av_get_media_type_string(mMediaType));
1415 mExtractor->reachedEOS(mMediaType);
1416 return ERROR_END_OF_STREAM;
1420 if (pkt.data != mQueue->flush_pkt.data) {
1421 av_free_packet(&pkt);
1425 #if WAIT_KEY_PACKET_AFTER_SEEK
1431 if (pkt.data == mQueue->flush_pkt.data) {
1432 ALOGV("read %s flush pkt", av_get_media_type_string(mMediaType));
1433 av_free_packet(&pkt);
1434 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1436 } else if (pkt.data == NULL && pkt.size == 0) {
1437 ALOGD("read %s eos pkt", av_get_media_type_string(mMediaType));
1438 av_free_packet(&pkt);
1439 mExtractor->reachedEOS(mMediaType);
1440 return ERROR_END_OF_STREAM;
1443 key = pkt.flags & AV_PKT_FLAG_KEY ? 1 : 0;
1444 pktTS = pkt.pts == AV_NOPTS_VALUE ? pkt.dts : pkt.pts;
1448 ALOGV("drop the non-key packet");
1449 av_free_packet(&pkt);
1452 ALOGV("~~~~~~ got the key packet");
1457 if (pktTS != AV_NOPTS_VALUE && mFirstKeyPktTimestamp == AV_NOPTS_VALUE) {
1458 // update the first key timestamp
1459 mFirstKeyPktTimestamp = pktTS;
1462 MediaBuffer *mediaBuffer = new MediaBuffer(pkt.size + FF_INPUT_BUFFER_PADDING_SIZE);
1463 mediaBuffer->meta_data()->clear();
1464 mediaBuffer->set_range(0, pkt.size);
1467 if ((mIsAVC || mIsHEVC) && mNal2AnnexB) {
1468 /* This only works for NAL sizes 3-4 */
1469 CHECK(mNALLengthSize == 3 || mNALLengthSize == 4);
1471 uint8_t *dst = (uint8_t *)mediaBuffer->data();
1472 /* Convert H.264 NAL format to annex b */
1473 status = convertNal2AnnexB(dst, pkt.size, pkt.data, pkt.size, mNALLengthSize);
1475 ALOGE("convertNal2AnnexB failed");
1476 mediaBuffer->release();
1478 av_free_packet(&pkt);
1479 return ERROR_MALFORMED;
1482 memcpy(mediaBuffer->data(), pkt.data, pkt.size);
1485 if (pktTS != AV_NOPTS_VALUE)
1486 timeUs = av_rescale_q(pktTS, mStream->time_base, AV_TIME_BASE_Q) - startTimeUs;
1488 timeUs = SF_NOPTS_VALUE; //FIXME AV_NOPTS_VALUE is negative, but stagefright need positive
1490 // predict the next PTS to use for exact-frame seek below
1491 int64_t nextPTS = AV_NOPTS_VALUE;
1492 if (mLastPTS != AV_NOPTS_VALUE && timeUs > mLastPTS) {
1493 nextPTS = timeUs + (timeUs - mLastPTS);
1495 } else if (mLastPTS == AV_NOPTS_VALUE) {
1500 if (pktTS != AV_NOPTS_VALUE)
1501 ALOGV("read %s pkt, size:%d, key:%d, pktPTS: %lld, pts:%lld, dts:%lld, timeUs[-startTime]:%lld us (%.2f secs) start_time=%lld",
1502 av_get_media_type_string(mMediaType), pkt.size, key, pktTS, pkt.pts, pkt.dts, timeUs, timeUs/1E6, startTimeUs);
1504 ALOGV("read %s pkt, size:%d, key:%d, pts:N/A, dts:N/A, timeUs[-startTime]:N/A",
1505 av_get_media_type_string(mMediaType), pkt.size, key);
1508 mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs);
1509 mediaBuffer->meta_data()->setInt32(kKeyIsSyncFrame, key);
1511 // deal with seek-to-exact-frame, we might be off a bit and Stagefright will assert on us
1512 if (seekTimeUs != AV_NOPTS_VALUE && timeUs < seekTimeUs &&
1513 mode == MediaSource::ReadOptions::SEEK_CLOSEST) {
1514 mTargetTime = seekTimeUs;
1515 mediaBuffer->meta_data()->setInt64(kKeyTargetTime, seekTimeUs);
1518 if (mTargetTime != AV_NOPTS_VALUE) {
1519 if (timeUs == mTargetTime) {
1520 mTargetTime = AV_NOPTS_VALUE;
1521 } else if (nextPTS != AV_NOPTS_VALUE && nextPTS > mTargetTime) {
1522 ALOGV("adjust target frame time to %lld", timeUs);
1523 mediaBuffer->meta_data()->setInt64(kKeyTime, mTargetTime);
1524 mTargetTime = AV_NOPTS_VALUE;
1528 *buffer = mediaBuffer;
1530 av_free_packet(&pkt);
1535 ////////////////////////////////////////////////////////////////////////////////
1539 const char *container;
1542 static formatmap FILE_FORMATS[] = {
1543 {"mpeg", MEDIA_MIMETYPE_CONTAINER_MPEG2PS },
1544 {"mpegts", MEDIA_MIMETYPE_CONTAINER_TS },
1545 {"mov,mp4,m4a,3gp,3g2,mj2", MEDIA_MIMETYPE_CONTAINER_MPEG4 },
1546 {"matroska,webm", MEDIA_MIMETYPE_CONTAINER_MATROSKA },
1547 {"asf", MEDIA_MIMETYPE_CONTAINER_ASF },
1548 {"rm", MEDIA_MIMETYPE_CONTAINER_RM },
1549 {"flv", MEDIA_MIMETYPE_CONTAINER_FLV },
1550 {"swf", MEDIA_MIMETYPE_CONTAINER_FLV },
1551 {"avi", MEDIA_MIMETYPE_CONTAINER_AVI },
1552 {"ape", MEDIA_MIMETYPE_CONTAINER_APE },
1553 {"dts", MEDIA_MIMETYPE_CONTAINER_DTS },
1554 {"flac", MEDIA_MIMETYPE_CONTAINER_FLAC },
1555 {"ac3", MEDIA_MIMETYPE_AUDIO_AC3 },
1556 {"mp3", MEDIA_MIMETYPE_AUDIO_MPEG },
1557 {"wav", MEDIA_MIMETYPE_CONTAINER_WAV },
1558 {"ogg", MEDIA_MIMETYPE_CONTAINER_OGG },
1559 {"vc1", MEDIA_MIMETYPE_CONTAINER_VC1 },
1560 {"hevc", MEDIA_MIMETYPE_CONTAINER_HEVC },
1561 {"divx", MEDIA_MIMETYPE_CONTAINER_DIVX },
1564 static AVCodecContext* getCodecContext(AVFormatContext *ic, AVMediaType codec_type)
1566 unsigned int idx = 0;
1567 AVCodecContext *avctx = NULL;
1569 for (idx = 0; idx < ic->nb_streams; idx++) {
1570 if (ic->streams[idx]->disposition & AV_DISPOSITION_ATTACHED_PIC) {
1571 // FFMPEG converts album art to MJPEG, but we don't want to
1572 // include that in the parsing as MJPEG is not supported by
1573 // Android, which forces the media to be extracted by FFMPEG
1574 // while in fact, Android supports it.
1578 avctx = ic->streams[idx]->codec;
1579 if (avctx->codec_type == codec_type) {
1587 static enum AVCodecID getCodecId(AVFormatContext *ic, AVMediaType codec_type)
1589 AVCodecContext *avctx = getCodecContext(ic, codec_type);
1590 return avctx == NULL ? AV_CODEC_ID_NONE : avctx->codec_id;
1593 static bool hasAudioCodecOnly(AVFormatContext *ic)
1595 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1596 bool haveVideo = false;
1597 bool haveAudio = false;
1599 if (getCodecId(ic, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
1602 if (getCodecId(ic, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
1606 if (!haveVideo && haveAudio) {
1613 //FIXME all codecs: frameworks/av/media/libstagefright/codecs/*
1614 static bool isCodecSupportedByStagefright(enum AVCodecID codec_id)
1616 bool supported = false;
1620 case AV_CODEC_ID_HEVC:
1621 case AV_CODEC_ID_H264:
1622 case AV_CODEC_ID_MPEG4:
1623 case AV_CODEC_ID_H263:
1624 case AV_CODEC_ID_H263P:
1625 case AV_CODEC_ID_H263I:
1626 case AV_CODEC_ID_VP6:
1627 case AV_CODEC_ID_VP8:
1628 case AV_CODEC_ID_VP9:
1630 case AV_CODEC_ID_AAC:
1631 case AV_CODEC_ID_MP3:
1632 case AV_CODEC_ID_AMR_NB:
1633 case AV_CODEC_ID_AMR_WB:
1634 case AV_CODEC_ID_VORBIS:
1635 case AV_CODEC_ID_PCM_MULAW: //g711
1636 case AV_CODEC_ID_PCM_ALAW: //g711
1637 case AV_CODEC_ID_GSM_MS:
1638 case AV_CODEC_ID_PCM_U8:
1639 case AV_CODEC_ID_PCM_S16LE:
1640 case AV_CODEC_ID_PCM_S24LE:
1648 ALOGD("%ssuppoted codec(%s) by official Stagefright",
1649 (supported ? "" : "un"),
1650 avcodec_get_name(codec_id));
1655 static void adjustMPEG4Confidence(AVFormatContext *ic, float *confidence)
1657 AVDictionary *tags = NULL;
1658 AVDictionaryEntry *tag = NULL;
1659 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1662 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1663 if (codec_id != AV_CODEC_ID_NONE
1664 && codec_id != AV_CODEC_ID_HEVC
1665 && codec_id != AV_CODEC_ID_H264
1666 && codec_id != AV_CODEC_ID_MPEG4
1667 && codec_id != AV_CODEC_ID_H263
1668 && codec_id != AV_CODEC_ID_H263P
1669 && codec_id != AV_CODEC_ID_H263I) {
1670 //the MEDIA_MIMETYPE_CONTAINER_MPEG4 of confidence is 0.4f
1671 ALOGI("[mp4]video codec(%s), confidence should be larger than MPEG4Extractor",
1672 avcodec_get_name(codec_id));
1673 *confidence = 0.41f;
1676 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1677 if (codec_id != AV_CODEC_ID_NONE
1678 && codec_id != AV_CODEC_ID_MP3
1679 && codec_id != AV_CODEC_ID_AAC
1680 && codec_id != AV_CODEC_ID_AMR_NB
1681 && codec_id != AV_CODEC_ID_AMR_WB) {
1682 ALOGI("[mp4]audio codec(%s), confidence should be larger than MPEG4Extractor",
1683 avcodec_get_name(codec_id));
1684 *confidence = 0.41f;
1688 tags = ic->metadata;
1689 //NOTE: You can use command to show these tags,
1690 //e.g. "ffprobe -show_format 2012.mov"
1691 tag = av_dict_get(tags, "major_brand", NULL, 0);
1696 ALOGV("major_brand tag is:%s", tag->value);
1698 //when MEDIA_MIMETYPE_CONTAINER_MPEG4
1699 //WTF, MPEG4Extractor.cpp can not extractor mov format
1700 //NOTE: isCompatibleBrand(MPEG4Extractor.cpp)
1701 // Won't promise that the following file types can be played.
1702 // Just give these file types a chance.
1703 // FOURCC('q', 't', ' ', ' '), // Apple's QuickTime
1705 if (!strcmp(tag->value, "qt ")) {
1706 ALOGI("[mp4]format is mov, confidence should be larger than mpeg4");
1707 *confidence = 0.41f;
1711 static void adjustMPEG2TSConfidence(AVFormatContext *ic, float *confidence)
1713 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1715 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1716 if (codec_id != AV_CODEC_ID_NONE
1717 && codec_id != AV_CODEC_ID_H264
1718 && codec_id != AV_CODEC_ID_MPEG4
1719 && codec_id != AV_CODEC_ID_MPEG1VIDEO
1720 && codec_id != AV_CODEC_ID_MPEG2VIDEO) {
1721 //the MEDIA_MIMETYPE_CONTAINER_MPEG2TS of confidence is 0.1f
1722 ALOGI("[mpeg2ts]video codec(%s), confidence should be larger than MPEG2TSExtractor",
1723 avcodec_get_name(codec_id));
1724 *confidence = 0.11f;
1727 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1728 if (codec_id != AV_CODEC_ID_NONE
1729 && codec_id != AV_CODEC_ID_AAC
1730 && codec_id != AV_CODEC_ID_PCM_S16LE
1731 && codec_id != AV_CODEC_ID_PCM_S24LE
1732 && codec_id != AV_CODEC_ID_MP1
1733 && codec_id != AV_CODEC_ID_MP2
1734 && codec_id != AV_CODEC_ID_MP3) {
1735 ALOGI("[mpeg2ts]audio codec(%s), confidence should be larger than MPEG2TSExtractor",
1736 avcodec_get_name(codec_id));
1737 *confidence = 0.11f;
1741 static void adjustMKVConfidence(AVFormatContext *ic, float *confidence)
1743 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1745 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1746 if (codec_id != AV_CODEC_ID_NONE
1747 && codec_id != AV_CODEC_ID_H264
1748 && codec_id != AV_CODEC_ID_MPEG4
1749 && codec_id != AV_CODEC_ID_VP6
1750 && codec_id != AV_CODEC_ID_VP8
1751 && codec_id != AV_CODEC_ID_VP9) {
1752 //the MEDIA_MIMETYPE_CONTAINER_MATROSKA of confidence is 0.6f
1753 ALOGI("[mkv]video codec(%s), confidence should be larger than MatroskaExtractor",
1754 avcodec_get_name(codec_id));
1755 *confidence = 0.61f;
1758 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1759 if (codec_id != AV_CODEC_ID_NONE
1760 && codec_id != AV_CODEC_ID_AAC
1761 && codec_id != AV_CODEC_ID_MP3
1762 && codec_id != AV_CODEC_ID_VORBIS) {
1763 ALOGI("[mkv]audio codec(%s), confidence should be larger than MatroskaExtractor",
1764 avcodec_get_name(codec_id));
1765 *confidence = 0.61f;
1769 static void adjustCodecConfidence(AVFormatContext *ic, float *confidence)
1771 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1773 codec_id = getCodecId(ic, AVMEDIA_TYPE_VIDEO);
1774 if (codec_id != AV_CODEC_ID_NONE) {
1775 if (!isCodecSupportedByStagefright(codec_id)) {
1776 *confidence = 0.88f;
1780 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1781 if (codec_id != AV_CODEC_ID_NONE) {
1782 if (!isCodecSupportedByStagefright(codec_id)) {
1783 *confidence = 0.88f;
1787 if (getCodecId(ic, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE
1788 && getCodecId(ic, AVMEDIA_TYPE_AUDIO) == AV_CODEC_ID_MP3) {
1789 *confidence = 0.22f; //larger than MP3Extractor
1793 //TODO need more checks
1794 static void adjustConfidenceIfNeeded(const char *mime,
1795 AVFormatContext *ic, float *confidence)
1798 if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4)) {
1799 adjustMPEG4Confidence(ic, confidence);
1800 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2TS)) {
1801 adjustMPEG2TSConfidence(ic, confidence);
1802 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA)) {
1803 adjustMKVConfidence(ic, confidence);
1804 } else if (!strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_DIVX)) {
1811 adjustCodecConfidence(ic, confidence);
1814 static void adjustContainerIfNeeded(const char **mime, AVFormatContext *ic)
1816 const char *newMime = *mime;
1817 enum AVCodecID codec_id = AV_CODEC_ID_NONE;
1819 AVCodecContext *avctx = getCodecContext(ic, AVMEDIA_TYPE_VIDEO);
1820 if (avctx != NULL && getDivXVersion(avctx) >= 0) {
1821 newMime = MEDIA_MIMETYPE_VIDEO_DIVX;
1823 } else if (hasAudioCodecOnly(ic)) {
1824 codec_id = getCodecId(ic, AVMEDIA_TYPE_AUDIO);
1825 CHECK(codec_id != AV_CODEC_ID_NONE);
1827 case AV_CODEC_ID_MP3:
1828 newMime = MEDIA_MIMETYPE_AUDIO_MPEG;
1830 case AV_CODEC_ID_AAC:
1831 newMime = MEDIA_MIMETYPE_AUDIO_AAC;
1833 case AV_CODEC_ID_VORBIS:
1834 newMime = MEDIA_MIMETYPE_AUDIO_VORBIS;
1836 case AV_CODEC_ID_FLAC:
1837 newMime = MEDIA_MIMETYPE_AUDIO_FLAC;
1839 case AV_CODEC_ID_AC3:
1840 newMime = MEDIA_MIMETYPE_AUDIO_AC3;
1842 case AV_CODEC_ID_APE:
1843 newMime = MEDIA_MIMETYPE_AUDIO_APE;
1845 case AV_CODEC_ID_DTS:
1846 newMime = MEDIA_MIMETYPE_AUDIO_DTS;
1848 case AV_CODEC_ID_MP2:
1849 newMime = MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II;
1851 case AV_CODEC_ID_COOK:
1852 newMime = MEDIA_MIMETYPE_AUDIO_RA;
1854 case AV_CODEC_ID_WMAV1:
1855 case AV_CODEC_ID_WMAV2:
1856 case AV_CODEC_ID_WMAPRO:
1857 case AV_CODEC_ID_WMALOSSLESS:
1858 newMime = MEDIA_MIMETYPE_AUDIO_WMA;
1864 if (!strcmp(*mime, MEDIA_MIMETYPE_CONTAINER_FFMPEG)) {
1865 newMime = MEDIA_MIMETYPE_AUDIO_FFMPEG;
1869 if (strcmp(*mime, newMime)) {
1870 ALOGI("adjust mime(%s -> %s)", *mime, newMime);
1875 static const char *findMatchingContainer(const char *name)
1878 #if SUPPOURT_UNKNOWN_FORMAT
1879 //The FFmpegExtractor support all ffmpeg formats!!!
1880 //Unknown format is defined as MEDIA_MIMETYPE_CONTAINER_FFMPEG
1881 const char *container = MEDIA_MIMETYPE_CONTAINER_FFMPEG;
1883 const char *container = NULL;
1886 ALOGV("list the formats suppoted by ffmpeg: ");
1887 ALOGV("========================================");
1888 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1889 ALOGV("format_names[%02d]: %s", i, FILE_FORMATS[i].format);
1891 ALOGV("========================================");
1893 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1894 int len = strlen(FILE_FORMATS[i].format);
1895 if (!strncasecmp(name, FILE_FORMATS[i].format, len)) {
1896 container = FILE_FORMATS[i].container;
1904 static const char *SniffFFMPEGCommon(const char *url, float *confidence, bool fastMPEG4)
1908 size_t nb_streams = 0;
1909 const char *container = NULL;
1910 AVFormatContext *ic = NULL;
1911 AVDictionary *codec_opts = NULL;
1912 AVDictionary **opts = NULL;
1914 status_t status = initFFmpeg();
1916 ALOGE("could not init ffmpeg");
1920 ic = avformat_alloc_context();
1923 ALOGE("oom for alloc avformat context");
1927 err = avformat_open_input(&ic, url, NULL, NULL);
1930 ALOGE("%s: avformat_open_input failed, err:%s", url, av_err2str(err));
1934 if (ic->iformat != NULL && ic->iformat->name != NULL &&
1935 findMatchingContainer(ic->iformat->name) != NULL &&
1936 !strcasecmp(findMatchingContainer(ic->iformat->name),
1937 MEDIA_MIMETYPE_CONTAINER_MPEG4)) {
1939 container = findMatchingContainer(ic->iformat->name);
1944 opts = setup_find_stream_info_opts(ic, codec_opts);
1945 nb_streams = ic->nb_streams;
1946 err = avformat_find_stream_info(ic, opts);
1948 ALOGE("%s: could not find stream info, err:%s", url, av_err2str(err));
1951 for (i = 0; i < nb_streams; i++) {
1952 av_dict_free(&opts[i]);
1956 av_dump_format(ic, 0, url, 0);
1958 ALOGD("FFmpegExtrator, url: %s, format_name: %s, format_long_name: %s",
1959 url, ic->iformat->name, ic->iformat->long_name);
1961 container = findMatchingContainer(ic->iformat->name);
1963 adjustContainerIfNeeded(&container, ic);
1964 adjustConfidenceIfNeeded(container, ic, confidence);
1969 avformat_close_input(&ic);
1978 static const char *BetterSniffFFMPEG(const sp<DataSource> &source,
1979 float *confidence, sp<AMessage> meta)
1981 const char *ret = NULL;
1982 char url[PATH_MAX] = {0};
1984 ALOGI("android-source:%p", source.get());
1986 // pass the addr of smart pointer("source")
1987 snprintf(url, sizeof(url), "android-source:%p", source.get());
1989 ret = SniffFFMPEGCommon(url, confidence, (source->flags() & DataSource::kIsCachingDataSource));
1991 meta->setString("extended-extractor-url", url);
1997 static const char *LegacySniffFFMPEG(const sp<DataSource> &source,
1998 float *confidence, sp<AMessage> meta)
2000 const char *ret = NULL;
2001 char url[PATH_MAX] = {0};
2003 String8 uri = source->getUri();
2004 if (!uri.string()) {
2008 ALOGV("source url:%s", uri.string());
2010 // pass the addr of smart pointer("source") + file name
2011 snprintf(url, sizeof(url), "android-source:%p|file:%s", source.get(), uri.string());
2013 ret = SniffFFMPEGCommon(url, confidence, false);
2015 meta->setString("extended-extractor-url", url);
2022 const sp<DataSource> &source, String8 *mimeType, float *confidence,
2023 sp<AMessage> *meta) {
2025 float newConfidence = 0.08f;
2027 ALOGV("SniffFFMPEG (initial confidence: %f)", confidence);
2029 if (*confidence > 0.8f) {
2033 *meta = new AMessage;
2035 const char *container = BetterSniffFFMPEG(source, &newConfidence, *meta);
2037 ALOGW("sniff through BetterSniffFFMPEG failed, try LegacySniffFFMPEG");
2038 container = LegacySniffFFMPEG(source, &newConfidence, *meta);
2040 ALOGV("sniff through LegacySniffFFMPEG success");
2043 ALOGV("sniff through BetterSniffFFMPEG success");
2046 if (container == NULL) {
2047 ALOGD("SniffFFMPEG failed to sniff this source");
2053 ALOGD("ffmpeg detected media content as '%s' with confidence %.2f",
2054 container, newConfidence);
2056 /* use MPEG4Extractor(not extended extractor) for HTTP source only */
2057 if (!strcasecmp(container, MEDIA_MIMETYPE_CONTAINER_MPEG4)
2058 && (source->flags() & DataSource::kIsCachingDataSource)) {
2059 ALOGI("support container: %s, but it is caching data source, "
2060 "Don't use ffmpegextractor", container);
2066 mimeType->setTo(container);
2068 (*meta)->setString("extended-extractor", "extended-extractor");
2069 (*meta)->setString("extended-extractor-subtype", "ffmpegextractor");
2070 (*meta)->setString("extended-extractor-mime", container);
2073 char value[PROPERTY_VALUE_MAX];
2074 property_get("sys.media.parser.ffmpeg", value, "0");
2076 ALOGD("[debug] use ffmpeg parser");
2077 newConfidence = 0.88f;
2080 if (newConfidence > *confidence) {
2081 (*meta)->setString("extended-extractor-use", "ffmpegextractor");
2082 *confidence = newConfidence;
2088 MediaExtractor *CreateFFmpegExtractor(const sp<DataSource> &source, const char *mime, const sp<AMessage> &meta) {
2089 MediaExtractor *ret = NULL;
2091 if (meta.get() && meta->findString("extended-extractor", ¬use) && (
2092 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG) ||
2093 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC) ||
2094 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS) ||
2095 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC) ||
2096 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AC3) ||
2097 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_APE) ||
2098 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_DTS) ||
2099 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II) ||
2100 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RA) ||
2101 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_WMA) ||
2102 !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FFMPEG) ||
2103 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG4) ||
2104 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MOV) ||
2105 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MATROSKA) ||
2106 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_TS) ||
2107 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPEG2PS) ||
2108 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_AVI) ||
2109 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_ASF) ||
2110 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WEBM) ||
2111 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WMV) ||
2112 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MPG) ||
2113 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FLV) ||
2114 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_DIVX) ||
2115 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_RM) ||
2116 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WAV) ||
2117 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FLAC) ||
2118 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_APE) ||
2119 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_DTS) ||
2120 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_MP2) ||
2121 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_RA) ||
2122 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_OGG) ||
2123 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_VC1) ||
2124 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_HEVC) ||
2125 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_WMA) ||
2126 !strcasecmp(mime, MEDIA_MIMETYPE_CONTAINER_FFMPEG))) {
2127 ret = new FFmpegExtractor(source, meta);
2130 ALOGD("%ssupported mime: %s", (ret ? "" : "un"), mime);
2134 } // namespace android
2136 extern "C" void getExtractorPlugin(android::MediaExtractor::Plugin *plugin)
2138 plugin->sniff = android::SniffFFMPEG;
2139 plugin->create = android::CreateFFmpegExtractor;