2 * Copyright 2012 Michael Chen <omxcodec@gmail.com>
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #define LOG_TAG "FFmpegExtractor"
19 #include <utils/Log.h>
21 #include <limits.h> /* INT_MAX */
24 #include <media/stagefright/foundation/ABitReader.h>
25 #include <media/stagefright/foundation/ABuffer.h>
26 #include <media/stagefright/foundation/ADebug.h>
27 #include <media/stagefright/foundation/AMessage.h>
28 #include <media/stagefright/foundation/hexdump.h>
29 #include <media/stagefright/DataSource.h>
30 #include <media/stagefright/MediaBuffer.h>
31 #include <media/stagefright/MediaDebug.h>
32 #include <media/stagefright/MediaDefs.h>
33 #include <media/stagefright/MediaErrors.h>
34 #include <media/stagefright/MediaSource.h>
35 #include <media/stagefright/MetaData.h>
36 #include <media/stagefright/Utils.h>
37 #include <utils/String8.h>
38 #include <utils/misc.h>
40 #include "include/avc_utils.h"
41 #include "utils/common_utils.h"
42 #include "utils/ffmpeg_utils.h"
43 #include "FFmpegExtractor.h"
45 #define DEBUG_READ_ENTRY 0
46 #define DEBUG_DISABLE_VIDEO 0
47 #define DEBUG_DISABLE_AUDIO 0
48 #define WAIT_KEY_PACKET_AFTER_SEEK 1
49 #define DISABLE_NAL_TO_ANNEXB 0
51 #define MAX_QUEUE_SIZE (15 * 1024 * 1024)
52 #define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
54 #define EXTRACTOR_MAX_PROBE_PACKETS 200
56 #define FF_MAX_EXTRADATA_SIZE ((1 << 28) - FF_INPUT_BUFFER_PADDING_SIZE)
63 static AVPacket flush_pkt;
67 struct FFmpegExtractor::Track : public MediaSource {
68 Track(const sp<FFmpegExtractor> &extractor, sp<MetaData> meta, bool isAVC,
69 AVStream *stream, PacketQueue *queue);
71 virtual status_t start(MetaData *params);
72 virtual status_t stop();
73 virtual sp<MetaData> getFormat();
75 virtual status_t read(
76 MediaBuffer **buffer, const ReadOptions *options);
82 friend struct FFmpegExtractor;
84 sp<FFmpegExtractor> mExtractor;
87 enum AVMediaType mMediaType;
92 size_t mNALLengthSize;
98 int64_t mFirstKeyPktTimestamp;
100 DISALLOW_EVIL_CONSTRUCTORS(Track);
103 ////////////////////////////////////////////////////////////////////////////////
105 FFmpegExtractor::FFmpegExtractor(const sp<DataSource> &source)
106 : mDataSource(source),
107 mReaderThreadStarted(false),
108 mInitCheck(NO_INIT) {
109 LOGV("FFmpegExtractor::FFmpegExtractor");
113 buildFileName(source);
117 LOGE("failed to init ffmpeg");
121 // start reader here, as we want to extract extradata from bitstream if no extradata
124 while(mProbePkts <= EXTRACTOR_MAX_PROBE_PACKETS && !mEOF &&
125 (mFormatCtx->pb ? !mFormatCtx->pb->error : 1) &&
126 (mDefersToCreateVideoTrack || mDefersToCreateAudioTrack)) {
127 // FIXME, i am so lazy! Should use pthread_cond_wait to wait conditions
131 LOGV("mProbePkts: %d, mEOF: %d, pb->error(if has): %d, mDefersToCreateVideoTrack: %d, mDefersToCreateAudioTrack: %d",
132 mProbePkts, mEOF, mFormatCtx->pb ? mFormatCtx->pb->error : 0, mDefersToCreateVideoTrack, mDefersToCreateAudioTrack);
137 FFmpegExtractor::~FFmpegExtractor() {
138 LOGV("FFmpegExtractor::~FFmpegExtractor");
140 // stop reader here if no track!
146 size_t FFmpegExtractor::countTracks() {
147 return mInitCheck == OK ? mTracks.size() : 0;
150 sp<MediaSource> FFmpegExtractor::getTrack(size_t index) {
151 LOGV("FFmpegExtractor::getTrack[%d]", index);
153 if (mInitCheck != OK) {
157 if (index >= mTracks.size()) {
161 return mTracks.valueAt(index);
164 sp<MetaData> FFmpegExtractor::getTrackMetaData(size_t index, uint32_t flags) {
165 LOGV("FFmpegExtractor::getTrackMetaData[%d]", index);
167 if (mInitCheck != OK) {
171 if (index >= mTracks.size()) {
175 return mTracks.valueAt(index)->getFormat();
178 sp<MetaData> FFmpegExtractor::getMetaData() {
179 LOGV("FFmpegExtractor::getMetaData");
181 if (mInitCheck != OK) {
185 sp<MetaData> meta = new MetaData;
187 meta->setCString(kKeyMIMEType, "video/ffmpeg");
192 uint32_t FFmpegExtractor::flags() const {
193 LOGV("FFmpegExtractor::flags");
195 if (mInitCheck != OK) {
199 uint32_t flags = CAN_PAUSE;
201 if (mFormatCtx->duration != AV_NOPTS_VALUE) {
202 flags |= CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_SEEK;
208 void FFmpegExtractor::packet_queue_init(PacketQueue *q)
210 memset(q, 0, sizeof(PacketQueue));
211 pthread_mutex_init(&q->mutex, NULL);
212 pthread_cond_init(&q->cond, NULL);
213 packet_queue_put(q, &flush_pkt);
216 void FFmpegExtractor::packet_queue_flush(PacketQueue *q)
218 AVPacketList *pkt, *pkt1;
220 pthread_mutex_lock(&q->mutex);
221 for (pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
223 av_free_packet(&pkt->pkt);
230 pthread_mutex_unlock(&q->mutex);
233 void FFmpegExtractor::packet_queue_end(PacketQueue *q)
235 packet_queue_flush(q);
238 void FFmpegExtractor::packet_queue_abort(PacketQueue *q)
240 pthread_mutex_lock(&q->mutex);
242 q->abort_request = 1;
244 pthread_cond_signal(&q->cond);
246 pthread_mutex_unlock(&q->mutex);
249 int FFmpegExtractor::packet_queue_put(PacketQueue *q, AVPacket *pkt)
253 /* duplicate the packet */
254 if (pkt != &flush_pkt && av_dup_packet(pkt) < 0)
257 pkt1 = (AVPacketList *)av_malloc(sizeof(AVPacketList));
263 pthread_mutex_lock(&q->mutex);
269 q->last_pkt->next = pkt1;
272 //q->size += pkt1->pkt.size + sizeof(*pkt1);
273 q->size += pkt1->pkt.size;
274 pthread_cond_signal(&q->cond);
276 pthread_mutex_unlock(&q->mutex);
280 /* packet queue handling */
281 /* return < 0 if aborted, 0 if no packet and > 0 if packet. */
282 int FFmpegExtractor::packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
287 pthread_mutex_lock(&q->mutex);
290 if (q->abort_request) {
297 q->first_pkt = pkt1->next;
301 //q->size -= pkt1->pkt.size + sizeof(*pkt1);
302 q->size -= pkt1->pkt.size;
311 pthread_cond_wait(&q->cond, &q->mutex);
314 pthread_mutex_unlock(&q->mutex);
318 static void EncodeSize14(uint8_t **_ptr, size_t size) {
319 CHECK_LE(size, 0x3fff);
321 uint8_t *ptr = *_ptr;
323 *ptr++ = 0x80 | (size >> 7);
324 *ptr++ = size & 0x7f;
329 static sp<ABuffer> MakeMPEGVideoESDS(const sp<ABuffer> &csd) {
330 sp<ABuffer> esds = new ABuffer(csd->size() + 25);
332 uint8_t *ptr = esds->data();
334 EncodeSize14(&ptr, 22 + csd->size());
336 *ptr++ = 0x00; // ES_ID
339 *ptr++ = 0x00; // streamDependenceFlag, URL_Flag, OCRstreamFlag
342 EncodeSize14(&ptr, 16 + csd->size());
344 *ptr++ = 0x40; // Audio ISO/IEC 14496-3
346 for (size_t i = 0; i < 12; ++i) {
351 EncodeSize14(&ptr, csd->size());
353 memcpy(ptr, csd->data(), csd->size());
358 // Returns the sample rate based on the sampling frequency index
359 static uint32_t get_sample_rate(const uint8_t sf_index)
361 static const uint32_t sample_rates[] =
363 96000, 88200, 64000, 48000, 44100, 32000,
364 24000, 22050, 16000, 12000, 11025, 8000
367 if (sf_index < sizeof(sample_rates) / sizeof(sample_rates[0])) {
368 return sample_rates[sf_index];
374 int FFmpegExtractor::check_extradata(AVCodecContext *avctx)
377 bool *defersToCreateTrack;
378 AVBitStreamFilterContext **bsfc;
381 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
383 defersToCreateTrack = &mDefersToCreateVideoTrack;
384 } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO){
386 defersToCreateTrack = &mDefersToCreateAudioTrack;
390 if (avctx->codec_id == CODEC_ID_MP3 ||
391 avctx->codec_id == CODEC_ID_MP1 ||
392 avctx->codec_id == CODEC_ID_MP2 ||
393 avctx->codec_id == CODEC_ID_AC3 ||
394 avctx->codec_id == CODEC_ID_H263 ||
395 avctx->codec_id == CODEC_ID_H263P ||
396 avctx->codec_id == CODEC_ID_H263I ||
397 avctx->codec_id == CODEC_ID_WMV1)
400 // is extradata compatible with android?
401 if (avctx->codec_id != CODEC_ID_AAC) {
402 int is_compatible = is_extradata_compatible_with_android(avctx);
403 if (!is_compatible) {
404 LOGI("%s extradata is not compatible with android, should to extract it from bitstream",
405 av_get_media_type_string(avctx->codec_type));
406 *defersToCreateTrack = true;
407 *bsfc = NULL; // H264 don't need bsfc, only AAC?
413 if (avctx->codec_id == CODEC_ID_AAC) {
414 name = "aac_adtstoasc";
417 if (avctx->extradata_size <= 0) {
418 LOGI("No %s extradata found, should to extract it from bitstream",
419 av_get_media_type_string(avctx->codec_type));
420 *defersToCreateTrack = true;
421 //CHECK(name != NULL);
422 if (!*bsfc && name) {
423 *bsfc = av_bitstream_filter_init(name);
425 LOGE("Cannot open the %s BSF!", name);
426 *defersToCreateTrack = false;
429 LOGV("open the %s bsf", name);
439 void FFmpegExtractor::printTime(int64_t time)
441 int hours, mins, secs, us;
443 if (time == AV_NOPTS_VALUE)
446 secs = time / AV_TIME_BASE;
447 us = time % AV_TIME_BASE;
452 LOGI("the time is %02d:%02d:%02d.%02d",
453 hours, mins, secs, (100 * us) / AV_TIME_BASE);
456 int FFmpegExtractor::stream_component_open(int stream_index)
458 AVCodecContext *avctx;
461 bool supported = false;
467 LOGI("stream_index: %d", stream_index);
468 if (stream_index < 0 || stream_index >= mFormatCtx->nb_streams)
470 avctx = mFormatCtx->streams[stream_index]->codec;
472 switch(avctx->codec_id) {
483 case CODEC_ID_MPEG2VIDEO:
490 case CODEC_ID_WMAPRO:
491 case CODEC_ID_WMALOSSLESS:
503 LOGE("unsupport the codec, id: 0x%0x", avctx->codec_id);
506 LOGV("support the codec");
509 ssize_t index = mTracks.indexOfKey(stream_index);
512 LOGE("this track already exists");
516 mFormatCtx->streams[stream_index]->discard = AVDISCARD_DEFAULT;
519 av_get_codec_tag_string(tagbuf, sizeof(tagbuf), avctx->codec_tag);
520 LOGV("Tag %s/0x%08x with codec id '%d'\n", tagbuf, avctx->codec_tag, avctx->codec_id);
522 switch (avctx->codec_type) {
523 case AVMEDIA_TYPE_VIDEO:
524 if (mVideoStreamIdx == -1)
525 mVideoStreamIdx = stream_index;
526 if (mVideoStream == NULL)
527 mVideoStream = mFormatCtx->streams[stream_index];
528 if (!mVideoQInited) {
529 packet_queue_init(&mVideoQ);
530 mVideoQInited = true;
533 ret = check_extradata(avctx);
536 // disable the stream
537 mVideoStreamIdx = -1;
539 packet_queue_end(&mVideoQ);
540 mVideoQInited = false;
541 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
546 if (avctx->extradata) {
547 LOGV("video stream extradata:");
548 hexdump(avctx->extradata, avctx->extradata_size);
550 LOGV("video stream no extradata, but we can ignore it.");
555 switch(avctx->codec_id) {
559 * http://msdn.microsoft.com/en-us/library/dd757808(v=vs.85).aspx
561 //if (avctx->codec_tag && avctx->codec_tag == AV_RL32("avc1")) {
562 if (avctx->extradata[0] == 1 /* configurationVersion */) {
563 // H.264 bitstream without start codes.
567 if (avctx->width == 0 || avctx->height == 0) {
568 int32_t width, height;
569 sp<ABuffer> seqParamSet = new ABuffer(avctx->extradata_size - 8);
570 memcpy(seqParamSet->data(), avctx->extradata + 8, avctx->extradata_size - 8);
571 FindAVCDimensions(seqParamSet, &width, &height);
572 avctx->width = width;
573 avctx->height = height;
576 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
577 meta->setData(kKeyAVCC, kTypeAVCC, avctx->extradata, avctx->extradata_size);
579 // H.264 bitstream with start codes.
583 /* set NULL to release meta as we will new a meta in MakeAVCCodecSpecificData() fxn */
587 sp<ABuffer> buffer = new ABuffer(avctx->extradata_size);
588 memcpy(buffer->data(), avctx->extradata, avctx->extradata_size);
589 meta = MakeAVCCodecSpecificData(buffer);
594 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
596 sp<ABuffer> csd = new ABuffer(avctx->extradata_size);
597 memcpy(csd->data(), avctx->extradata, avctx->extradata_size);
598 sp<ABuffer> esds = MakeMPEGVideoESDS(csd);
599 meta->setData(kKeyESDS, kTypeESDS, esds->data(), esds->size());
606 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
608 case CODEC_ID_MPEG2VIDEO:
610 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG2);
612 sp<ABuffer> csd = new ABuffer(avctx->extradata_size);
613 memcpy(csd->data(), avctx->extradata, avctx->extradata_size);
614 sp<ABuffer> esds = MakeMPEGVideoESDS(csd);
615 meta->setData(kKeyESDS, kTypeESDS, esds->data(), esds->size());
620 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_VC1);
621 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
625 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_WMV);
626 meta->setInt32(kKeyWMVVersion, kTypeWMVVer_7);
630 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_WMV);
631 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
632 meta->setInt32(kKeyWMVVersion, kTypeWMVVer_8);
636 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_WMV);
637 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
638 meta->setInt32(kKeyWMVVersion, kTypeWMVVer_9);
642 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RV);
643 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
646 CHECK(!"Should not be here. Unsupported codec.");
650 LOGI("width: %d, height: %d, bit_rate: %d",
651 avctx->width, avctx->height, avctx->bit_rate);
653 meta->setInt32(kKeyWidth, avctx->width);
654 meta->setInt32(kKeyHeight, avctx->height);
655 if (avctx->bit_rate > 0)
656 meta->setInt32(kKeyBitRate, avctx->bit_rate);
657 if (mVideoStream->duration != AV_NOPTS_VALUE) {
658 int64_t duration = mVideoStream->duration * av_q2d(mVideoStream->time_base) * 1000000;
660 LOGV("video startTime: %lld", mVideoStream->start_time);
661 meta->setInt64(kKeyDuration, duration);
663 // default when no stream duration
664 meta->setInt64(kKeyDuration, mFormatCtx->duration);
667 LOGV("create a video track");
669 stream_index, new Track(this, meta, isAVC, mVideoStream, &mVideoQ));
671 mDefersToCreateVideoTrack = false;
674 case AVMEDIA_TYPE_AUDIO:
675 if (mAudioStreamIdx == -1)
676 mAudioStreamIdx = stream_index;
677 if (mAudioStream == NULL)
678 mAudioStream = mFormatCtx->streams[stream_index];
679 if (!mAudioQInited) {
680 packet_queue_init(&mAudioQ);
681 mAudioQInited = true;
684 ret = check_extradata(avctx);
687 // disable the stream
688 mAudioStreamIdx = -1;
690 packet_queue_end(&mAudioQ);
691 mAudioQInited = false;
692 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
697 if (avctx->extradata) {
698 LOGV("audio stream extradata:");
699 hexdump(avctx->extradata, avctx->extradata_size);
701 LOGV("audio stream no extradata, but we can ignore it.");
704 switch(avctx->codec_id) {
708 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_I);
713 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_MPEG_LAYER_II);
718 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_MPEG);
723 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AC3);
728 const uint8_t *header;
729 uint8_t profile, sf_index, channel;
731 header = avctx->extradata;
732 CHECK(header != NULL);
734 // AudioSpecificInfo follows
735 // oooo offf fccc c000
736 // o - audioObjectType
737 // f - samplingFreqIndex
739 profile = ((header[0] & 0xf8) >> 3) - 1;
740 sf_index = (header[0] & 0x07) << 1 | (header[1] & 0x80) >> 7;
741 sr = get_sample_rate(sf_index);
743 LOGE("unsupport the sample rate");
746 channel = (header[1] >> 3) & 0xf;
747 LOGV("profile: %d, sf_index: %d, channel: %d", profile, sf_index, channel);
749 meta = MakeAACCodecSpecificData(profile, sf_index, channel);
750 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AAC);
752 case CODEC_ID_WMAV1: // TODO, version?
755 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_WMA);
756 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
761 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_WMA);
762 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
763 meta->setInt32(kKeyWMAVersion, kTypeWMA);
765 case CODEC_ID_WMAPRO:
768 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_WMA);
769 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
770 meta->setInt32(kKeyWMAVersion, kTypeWMAPro);
772 case CODEC_ID_WMALOSSLESS:
775 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_WMA);
776 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
777 meta->setInt32(kKeyWMAVersion, kTypeWMALossLess);
779 case CODEC_ID_COOK: // audio codec in RMVB
782 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_RA);
783 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
788 meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_APE);
789 meta->setData(kKeyRawCodecSpecificData, 0, avctx->extradata, avctx->extradata_size);
792 CHECK(!"Should not be here. Unsupported codec.");
796 LOGI("bit_rate: %d, sample_rate: %d, channels: %d, bits_per_coded_sample: %d",
797 avctx->bit_rate, avctx->sample_rate, avctx->channels, avctx->bits_per_coded_sample);
799 meta->setInt32(kKeySampleRate, avctx->sample_rate);
800 meta->setInt32(kKeyChannelCount, avctx->channels);
801 meta->setInt32(kKeyBitspersample, avctx->bits_per_coded_sample);
802 meta->setInt32(kKeyBitRate, avctx->bit_rate);
803 meta->setInt32(kKeyBlockAlign, avctx->block_align);
804 if (mAudioStream->duration != AV_NOPTS_VALUE) {
805 int64_t duration = mAudioStream->duration * av_q2d(mAudioStream->time_base) * 1000000;
807 LOGV("audio startTime: %lld", mAudioStream->start_time);
808 meta->setInt64(kKeyDuration, duration);
810 // default when no stream duration
811 meta->setInt64(kKeyDuration, mFormatCtx->duration);
814 LOGV("create a audio track");
816 stream_index, new Track(this, meta, false, mAudioStream, &mAudioQ));
818 mDefersToCreateAudioTrack = false;
821 case AVMEDIA_TYPE_SUBTITLE:
823 CHECK(!"Should not be here. Unsupported media type.");
826 CHECK(!"Should not be here. Unsupported media type.");
832 void FFmpegExtractor::stream_component_close(int stream_index)
834 AVCodecContext *avctx;
836 if (stream_index < 0 || stream_index >= mFormatCtx->nb_streams)
838 avctx = mFormatCtx->streams[stream_index]->codec;
840 switch (avctx->codec_type) {
841 case AVMEDIA_TYPE_VIDEO:
842 LOGV("packet_queue_abort videoq");
843 packet_queue_abort(&mVideoQ);
844 /* wait until the end */
845 while (!mAbortRequest && !mVideoEOSReceived) {
846 LOGV("wait for video received");
849 LOGV("packet_queue_end videoq");
850 packet_queue_end(&mVideoQ);
852 case AVMEDIA_TYPE_AUDIO:
853 LOGV("packet_queue_abort audioq");
854 packet_queue_abort(&mAudioQ);
855 while (!mAbortRequest && !mAudioEOSReceived) {
856 LOGV("wait for audio received");
859 LOGV("packet_queue_end audioq");
860 packet_queue_end(&mAudioQ);
862 case AVMEDIA_TYPE_SUBTITLE:
868 mFormatCtx->streams[stream_index]->discard = AVDISCARD_ALL;
869 switch (avctx->codec_type) {
870 case AVMEDIA_TYPE_VIDEO:
872 mVideoStreamIdx = -1;
874 av_bitstream_filter_close(mVideoBsfc);
878 case AVMEDIA_TYPE_AUDIO:
880 mAudioStreamIdx = -1;
882 av_bitstream_filter_close(mAudioBsfc);
886 case AVMEDIA_TYPE_SUBTITLE:
893 void FFmpegExtractor::reachedEOS(enum AVMediaType media_type)
895 Mutex::Autolock autoLock(mLock);
897 if (media_type == AVMEDIA_TYPE_VIDEO) {
898 mVideoEOSReceived = true;
899 } else if (media_type == AVMEDIA_TYPE_AUDIO) {
900 mAudioEOSReceived = true;
904 /* seek in the stream */
905 int FFmpegExtractor::stream_seek(int64_t pos, enum AVMediaType media_type)
907 Mutex::Autolock autoLock(mLock);
909 if (mVideoStreamIdx >= 0 &&
910 mAudioStreamIdx >= 0 &&
911 media_type == AVMEDIA_TYPE_AUDIO &&
912 !mVideoEOSReceived) {
917 if (mAudioStreamIdx >= 0)
918 packet_queue_flush(&mAudioQ);
919 if (mVideoStreamIdx >= 0)
920 packet_queue_flush(&mVideoQ);
923 mSeekFlags &= ~AVSEEK_FLAG_BYTE;
930 int FFmpegExtractor::decode_interrupt_cb(void *ctx)
932 FFmpegExtractor *extrator = static_cast<FFmpegExtractor *>(ctx);
933 return extrator->mAbortRequest;
936 void FFmpegExtractor::print_error_ex(const char *filename, int err)
939 const char *errbuf_ptr = errbuf;
941 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
942 errbuf_ptr = strerror(AVUNERROR(err));
943 LOGI("%s: %s\n", filename, errbuf_ptr);
946 void FFmpegExtractor::buildFileName(const sp<DataSource> &source)
949 LOGI("android source: %x", &source);
950 // pass the addr of smart pointer("source")
951 snprintf(mFilename, sizeof(mFilename), "android-source:%x", &source);
952 LOGI("build mFilename: %s", mFilename);
954 const char *url = mDataSource->getNamURI();
956 LOGI("url is error!");
960 if (!strcmp(url, "-")) {
961 av_strlcpy(mFilename, "pipe:", strlen("pipe:") + 1);
963 av_strlcpy(mFilename, url, strlen(url) + 1);
965 LOGI("build url: %s, mFilename: %s", url, mFilename);
969 void FFmpegExtractor::setFFmpegDefaultOpts()
972 #if DEBUG_DISABLE_VIDEO
977 #if DEBUG_DISABLE_AUDIO
983 mSeekByBytes = 0; /* seek by bytes 0=off 1=on -1=auto" */
984 mDuration = AV_NOPTS_VALUE;
985 mSeekPos = AV_NOPTS_VALUE;
989 mVideoStreamIdx = -1;
990 mAudioStreamIdx = -1;
993 mVideoQInited = false;
994 mAudioQInited = false;
995 mDefersToCreateVideoTrack = false;
996 mDefersToCreateAudioTrack = false;
1009 int FFmpegExtractor::initStreams()
1014 int ret = 0, audio_ret = 0, video_ret = 0;
1015 int pkt_in_play_range = 0;
1016 AVDictionaryEntry *t;
1017 AVDictionary **opts;
1018 int orig_nb_streams;
1019 int st_index[AVMEDIA_TYPE_NB] = {0};
1020 int wanted_stream[AVMEDIA_TYPE_NB] = {0};
1021 st_index[AVMEDIA_TYPE_AUDIO] = -1;
1022 st_index[AVMEDIA_TYPE_VIDEO] = -1;
1023 wanted_stream[AVMEDIA_TYPE_AUDIO] = -1;
1024 wanted_stream[AVMEDIA_TYPE_VIDEO] = -1;
1026 setFFmpegDefaultOpts();
1028 status = initFFmpeg();
1034 av_init_packet(&flush_pkt);
1035 flush_pkt.data = (uint8_t *)"FLUSH";
1038 mFormatCtx = avformat_alloc_context();
1039 mFormatCtx->interrupt_callback.callback = decode_interrupt_cb;
1040 mFormatCtx->interrupt_callback.opaque = this;
1041 LOGV("mFilename: %s", mFilename);
1042 err = avformat_open_input(&mFormatCtx, mFilename, NULL, &format_opts);
1044 print_error_ex(mFilename, err);
1048 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
1049 LOGE("Option %s not found.\n", t->key);
1050 //ret = AVERROR_OPTION_NOT_FOUND;
1056 mFormatCtx->flags |= AVFMT_FLAG_GENPTS;
1058 opts = setup_find_stream_info_opts(mFormatCtx, codec_opts);
1059 orig_nb_streams = mFormatCtx->nb_streams;
1061 err = avformat_find_stream_info(mFormatCtx, opts);
1063 LOGE("%s: could not find codec parameters\n", mFilename);
1067 for (i = 0; i < orig_nb_streams; i++)
1068 av_dict_free(&opts[i]);
1072 mFormatCtx->pb->eof_reached = 0; // FIXME hack, ffplay maybe should not use url_feof() to test for the end
1074 if (mSeekByBytes < 0)
1075 mSeekByBytes = !!(mFormatCtx->iformat->flags & AVFMT_TS_DISCONT);
1077 for (i = 0; i < mFormatCtx->nb_streams; i++)
1078 mFormatCtx->streams[i]->discard = AVDISCARD_ALL;
1080 st_index[AVMEDIA_TYPE_VIDEO] =
1081 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_VIDEO,
1082 wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
1084 st_index[AVMEDIA_TYPE_AUDIO] =
1085 av_find_best_stream(mFormatCtx, AVMEDIA_TYPE_AUDIO,
1086 wanted_stream[AVMEDIA_TYPE_AUDIO],
1087 st_index[AVMEDIA_TYPE_VIDEO],
1090 av_dump_format(mFormatCtx, 0, mFilename, 0);
1093 if (mFormatCtx->duration != AV_NOPTS_VALUE &&
1094 mFormatCtx->start_time != AV_NOPTS_VALUE) {
1095 int hours, mins, secs, us;
1097 LOGV("file startTime: %lld", mFormatCtx->start_time);
1099 mDuration = mFormatCtx->duration;
1101 secs = mDuration / AV_TIME_BASE;
1102 us = mDuration % AV_TIME_BASE;
1107 LOGI("the duration is %02d:%02d:%02d.%02d",
1108 hours, mins, secs, (100 * us) / AV_TIME_BASE);
1111 if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
1112 audio_ret = stream_component_open(st_index[AVMEDIA_TYPE_AUDIO]);
1115 if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
1116 video_ret = stream_component_open(st_index[AVMEDIA_TYPE_VIDEO]);
1119 if ( audio_ret < 0 && video_ret < 0) {
1120 LOGE("%s: could not open codecs\n", mFilename);
1131 void FFmpegExtractor::deInitStreams()
1134 avformat_close_input(&mFormatCtx);
1140 status_t FFmpegExtractor::startReaderThread() {
1141 LOGV("Starting reader thread");
1142 Mutex::Autolock autoLock(mLock);
1144 if (mReaderThreadStarted)
1147 pthread_attr_t attr;
1148 pthread_attr_init(&attr);
1149 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
1150 pthread_create(&mReaderThread, &attr, ReaderWrapper, this);
1151 pthread_attr_destroy(&attr);
1152 mReaderThreadStarted = true;
1153 LOGD("Reader thread started");
1158 void FFmpegExtractor::stopReaderThread() {
1159 LOGV("Stopping reader thread");
1160 Mutex::Autolock autoLock(mLock);
1162 if (!mReaderThreadStarted) {
1163 LOGD("Reader thread have been stopped");
1170 pthread_join(mReaderThread, &dummy);
1171 mReaderThreadStarted = false;
1172 LOGD("Reader thread stopped");
1176 void *FFmpegExtractor::ReaderWrapper(void *me) {
1177 ((FFmpegExtractor *)me)->readerEntry();
1182 void FFmpegExtractor::readerEntry() {
1184 AVPacket pkt1, *pkt = &pkt1;
1186 int pkt_in_play_range = 0;
1188 LOGV("FFmpegExtractor::readerEntry");
1190 mVideoEOSReceived = false;
1191 mAudioEOSReceived = false;
1197 if (mPaused != mLastPaused) {
1198 mLastPaused = mPaused;
1200 mReadPauseReturn = av_read_pause(mFormatCtx);
1202 av_read_play(mFormatCtx);
1204 #if CONFIG_RTSP_DEMUXER || CONFIG_MMSH_PROTOCOL
1206 (!strcmp(mFormatCtx->iformat->name, "rtsp") ||
1207 (mFormatCtx->pb && !strncmp(mFilename, "mmsh:", 5)))) {
1208 /* wait 10 ms to avoid trying to get another packet */
1216 LOGV("readerEntry, mSeekReq: %d", mSeekReq);
1217 ret = avformat_seek_file(mFormatCtx, -1, INT64_MIN, mSeekPos, INT64_MAX, mSeekFlags);
1219 LOGE("%s: error while seeking", mFormatCtx->filename);
1221 if (mAudioStreamIdx >= 0) {
1222 packet_queue_flush(&mAudioQ);
1223 packet_queue_put(&mAudioQ, &flush_pkt);
1225 if (mVideoStreamIdx >= 0) {
1226 packet_queue_flush(&mVideoQ);
1227 packet_queue_put(&mVideoQ, &flush_pkt);
1234 /* if the queue are full, no need to read more */
1235 if ( mAudioQ.size + mVideoQ.size > MAX_QUEUE_SIZE
1236 || ( (mAudioQ .size > MIN_AUDIOQ_SIZE || mAudioStreamIdx < 0)
1237 && (mVideoQ .nb_packets > MIN_FRAMES || mVideoStreamIdx < 0))) {
1238 #if DEBUG_READ_ENTRY
1239 LOGV("readerEntry, is full, fuck");
1247 if (mVideoStreamIdx >= 0) {
1248 av_init_packet(pkt);
1251 pkt->stream_index = mVideoStreamIdx;
1252 packet_queue_put(&mVideoQ, pkt);
1254 if (mAudioStreamIdx >= 0) {
1255 av_init_packet(pkt);
1258 pkt->stream_index = mAudioStreamIdx;
1259 packet_queue_put(&mAudioQ, pkt);
1262 #if DEBUG_READ_ENTRY
1263 LOGV("readerEntry, eof = 1, mVideoQ.size: %d, mVideoQ.nb_packets: %d, mAudioQ.size: %d, mAudioQ.nb_packets: %d",
1264 mVideoQ.size, mVideoQ.nb_packets, mAudioQ.size, mAudioQ.nb_packets);
1266 if (mAudioQ.size + mVideoQ.size == 0) {
1276 ret = av_read_frame(mFormatCtx, pkt);
1279 if (ret == AVERROR_EOF || url_feof(mFormatCtx->pb))
1280 if (ret == AVERROR_EOF) {
1281 //LOGV("ret == AVERROR_EOF");
1283 if (url_feof(mFormatCtx->pb)) {
1284 //LOGV("url_feof(mFormatCtx->pb)");
1289 if (mFormatCtx->pb && mFormatCtx->pb->error) {
1290 LOGE("mFormatCtx->pb->error: %d", mFormatCtx->pb->error);
1297 if (pkt->stream_index == mVideoStreamIdx) {
1298 if (mDefersToCreateVideoTrack) {
1299 AVCodecContext *avctx = mFormatCtx->streams[mVideoStreamIdx]->codec;
1301 int i = parser_split(avctx, pkt->data, pkt->size);
1302 if (i > 0 && i < FF_MAX_EXTRADATA_SIZE) {
1303 if (avctx->extradata)
1304 av_freep(&avctx->extradata);
1305 avctx->extradata_size= i;
1306 avctx->extradata = (uint8_t *)av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
1307 if (!avctx->extradata) {
1308 //return AVERROR(ENOMEM);
1309 ret = AVERROR(ENOMEM);
1312 // sps + pps(there may be sei in it)
1313 memcpy(avctx->extradata, pkt->data, avctx->extradata_size);
1314 memset(avctx->extradata + i, 0, FF_INPUT_BUFFER_PADDING_SIZE);
1316 av_free_packet(pkt);
1320 stream_component_open(mVideoStreamIdx);
1321 if (!mDefersToCreateVideoTrack)
1322 LOGI("probe packet counter: %d when create video track ok", mProbePkts);
1323 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1324 LOGI("probe packet counter to max: %d, create video track: %d",
1325 mProbePkts, !mDefersToCreateVideoTrack);
1327 } else if (pkt->stream_index == mAudioStreamIdx) {
1331 AVCodecContext *avctx = mFormatCtx->streams[mAudioStreamIdx]->codec;
1332 if (mAudioBsfc && pkt && pkt->data) {
1333 ret = av_bitstream_filter_filter(mAudioBsfc, avctx, NULL, &outbuf, &outbuf_size,
1334 pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY);
1336 if (ret < 0 ||!outbuf_size) {
1337 av_free_packet(pkt);
1340 if (outbuf && outbuf != pkt->data) {
1341 memmove(pkt->data, outbuf, outbuf_size);
1342 pkt->size = outbuf_size;
1345 if (mDefersToCreateAudioTrack) {
1346 if (avctx->extradata_size <= 0) {
1347 av_free_packet(pkt);
1350 stream_component_open(mAudioStreamIdx);
1351 if (!mDefersToCreateAudioTrack)
1352 LOGI("probe packet counter: %d when create audio track ok", mProbePkts);
1353 if (mProbePkts == EXTRACTOR_MAX_PROBE_PACKETS)
1354 LOGI("probe packet counter to max: %d, create audio track: %d",
1355 mProbePkts, !mDefersToCreateAudioTrack);
1359 if (pkt->stream_index == mAudioStreamIdx) {
1360 packet_queue_put(&mAudioQ, pkt);
1361 } else if (pkt->stream_index == mVideoStreamIdx) {
1362 packet_queue_put(&mVideoQ, pkt);
1364 av_free_packet(pkt);
1367 /* wait until the end */
1368 while (!mAbortRequest) {
1374 LOGI("reader thread goto end...");
1376 /* close each stream */
1377 if (mAudioStreamIdx >= 0)
1378 stream_component_close(mAudioStreamIdx);
1379 if (mVideoStreamIdx >= 0)
1380 stream_component_close(mVideoStreamIdx);
1382 avformat_close_input(&mFormatCtx);
1386 ////////////////////////////////////////////////////////////////////////////////
1388 FFmpegExtractor::Track::Track(
1389 const sp<FFmpegExtractor> &extractor, sp<MetaData> meta, bool isAVC,
1390 AVStream *stream, PacketQueue *queue)
1391 : mExtractor(extractor),
1398 /* H.264 Video Types */
1400 mNal2AnnexB = false;
1406 CHECK(meta->findData(kKeyAVCC, &type, &data, &size));
1408 const uint8_t *ptr = (const uint8_t *)data;
1411 CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1
1413 // The number of bytes used to encode the length of a NAL unit.
1414 mNALLengthSize = 1 + (ptr[4] & 3);
1416 LOGV("the stream is AVC, the length of a NAL unit: %d", mNALLengthSize);
1422 mMediaType = mStream->codec->codec_type;
1423 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1426 FFmpegExtractor::Track::~Track() {
1429 status_t FFmpegExtractor::Track::start(MetaData *params) {
1430 Mutex::Autolock autoLock(mLock);
1431 //mExtractor->startReaderThread();
1435 status_t FFmpegExtractor::Track::stop() {
1436 Mutex::Autolock autoLock(mLock);
1437 mExtractor->stopReaderThread();
1441 sp<MetaData> FFmpegExtractor::Track::getFormat() {
1442 Mutex::Autolock autoLock(mLock);
1447 status_t FFmpegExtractor::Track::read(
1448 MediaBuffer **buffer, const ReadOptions *options) {
1451 Mutex::Autolock autoLock(mLock);
1454 bool seeking = false;
1455 bool waitKeyPkt = false;
1456 ReadOptions::SeekMode mode;
1457 int64_t pktTS = AV_NOPTS_VALUE;
1458 int64_t seekTimeUs = AV_NOPTS_VALUE;
1461 status_t status = OK;
1463 if (options && options->getSeekTo(&seekTimeUs, &mode)) {
1464 LOGV("~~~%s seekTimeUs: %lld, mode: %d", av_get_media_type_string(mMediaType), seekTimeUs, mode);
1465 /* add the stream start time */
1466 if (mStream->start_time != AV_NOPTS_VALUE)
1467 seekTimeUs += mStream->start_time * av_q2d(mStream->time_base) * 1000000;
1468 LOGV("~~~%s seekTimeUs[+startTime]: %lld, mode: %d", av_get_media_type_string(mMediaType), seekTimeUs, mode);
1470 if (mExtractor->stream_seek(seekTimeUs, mMediaType) == SEEK)
1475 if (mExtractor->packet_queue_get(mQueue, &pkt, 1) < 0) {
1476 mExtractor->reachedEOS(mMediaType);
1477 return ERROR_END_OF_STREAM;
1481 if (pkt.data != flush_pkt.data) {
1482 av_free_packet(&pkt);
1486 #if WAIT_KEY_PACKET_AFTER_SEEK
1492 if (pkt.data == flush_pkt.data) {
1493 LOGV("read %s flush pkt", av_get_media_type_string(mMediaType));
1494 av_free_packet(&pkt);
1495 mFirstKeyPktTimestamp = AV_NOPTS_VALUE;
1497 } else if (pkt.data == NULL && pkt.size == 0) {
1498 LOGV("read %s eos pkt", av_get_media_type_string(mMediaType));
1499 av_free_packet(&pkt);
1500 mExtractor->reachedEOS(mMediaType);
1501 return ERROR_END_OF_STREAM;
1504 key = pkt.flags & AV_PKT_FLAG_KEY ? 1 : 0;
1507 if (pkt.pts == AV_NOPTS_VALUE)
1512 LOGV("drop the no key packet");
1513 av_free_packet(&pkt);
1516 LOGV("~~~~~~ got the key packet");
1521 if (mFirstKeyPktTimestamp == AV_NOPTS_VALUE) {
1522 // update the first key timestamp
1523 mFirstKeyPktTimestamp = pktTS;
1526 if (pktTS < mFirstKeyPktTimestamp) {
1527 LOGV("drop the packet with the backward timestamp, maybe them are B-frames after I-frame ^_^");
1528 av_free_packet(&pkt);
1532 MediaBuffer *mediaBuffer = new MediaBuffer(pkt.size + FF_INPUT_BUFFER_PADDING_SIZE);
1533 mediaBuffer->meta_data()->clear();
1534 mediaBuffer->set_range(0, pkt.size);
1535 #if DISABLE_NAL_TO_ANNEXB
1536 mNal2AnnexB = false;
1538 if (mIsAVC && mNal2AnnexB) {
1539 /* Convert H.264 NAL format to annex b */
1540 if (mNALLengthSize >= 3 && mNALLengthSize <= 4 )
1542 uint8_t *dst = (uint8_t *)mediaBuffer->data();
1544 /* This only works for NAL sizes 3-4 */
1545 size_t len = pkt.size, i;
1546 uint8_t *ptr = pkt.data;
1547 while (len >= mNALLengthSize) {
1548 uint32_t nal_len = 0;
1549 for( i = 0; i < mNALLengthSize; i++ ) {
1550 nal_len = (nal_len << 8) | ptr[i];
1553 dst[mNALLengthSize - 1] = 1;
1554 if (nal_len > INT_MAX || nal_len > (unsigned int)len) {
1555 status = ERROR_MALFORMED;
1558 dst += mNALLengthSize;
1559 ptr += mNALLengthSize;
1560 len -= mNALLengthSize;
1562 memcpy(dst, ptr, nal_len);
1569 status = ERROR_MALFORMED;
1573 LOGV("status != OK");
1574 mediaBuffer->release();
1576 av_free_packet(&pkt);
1577 return ERROR_MALFORMED;
1580 memcpy(mediaBuffer->data(), pkt.data, pkt.size);
1583 int64_t start_time = mStream->start_time != AV_NOPTS_VALUE ? mStream->start_time : 0;
1584 timeUs = (int64_t)((pktTS - start_time) * av_q2d(mStream->time_base) * 1000000);
1587 LOGV("read %s pkt, size: %d, key: %d, pts: %lld, dts: %lld, timeUs[-startTime]: %llu us (%.2f secs)",
1588 av_get_media_type_string(mMediaType), pkt.size, key, pkt.pts, pkt.dts, timeUs, timeUs/1E6);
1591 mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs);
1592 mediaBuffer->meta_data()->setInt32(kKeyIsSyncFrame, key);
1594 *buffer = mediaBuffer;
1596 av_free_packet(&pkt);
1601 ////////////////////////////////////////////////////////////////////////////////
1603 // LegacySniffFFMPEG
1605 const char *extension;
1606 const char *container;
1609 static extmap FILE_EXTS[] = {
1610 {".mp4", MEDIA_MIMETYPE_CONTAINER_MPEG4},
1611 {".3gp", MEDIA_MIMETYPE_CONTAINER_MPEG4},
1612 {".mp3", MEDIA_MIMETYPE_AUDIO_MPEG},
1613 {".mov", MEDIA_MIMETYPE_CONTAINER_MOV},
1614 {".mkv", MEDIA_MIMETYPE_CONTAINER_MATROSKA},
1615 {".ts", MEDIA_MIMETYPE_CONTAINER_TS},
1616 {".avi", MEDIA_MIMETYPE_CONTAINER_AVI},
1617 {".asf", MEDIA_MIMETYPE_CONTAINER_ASF},
1618 {".rm ", MEDIA_MIMETYPE_CONTAINER_RM},
1620 {".wmv", MEDIA_MIMETYPE_CONTAINER_WMV},
1621 {".wma", MEDIA_MIMETYPE_CONTAINER_WMA},
1622 {".mpg", MEDIA_MIMETYPE_CONTAINER_MPG},
1623 {".flv", MEDIA_MIMETYPE_CONTAINER_FLV},
1624 {".divx", MEDIA_MIMETYPE_CONTAINER_DIVX},
1625 {".mp2", MEDIA_MIMETYPE_CONTAINER_MP2},
1626 {".ape", MEDIA_MIMETYPE_CONTAINER_APE},
1627 {".ra", MEDIA_MIMETYPE_CONTAINER_RA},
1631 const char *LegacySniffFFMPEG(const char * uri)
1634 const char *container = NULL;
1636 LOGI("list the file extensions suppoted by ffmpeg: ");
1637 LOGI("========================================");
1638 for (i = 0; i < NELEM(FILE_EXTS); ++i) {
1639 LOGV("file_exts[%02d]: %s", i, FILE_EXTS[i].extension);
1641 LOGI("========================================");
1643 int lenURI = strlen(uri);
1644 for (i = 0; i < NELEM(FILE_EXTS); ++i) {
1645 int len = strlen(FILE_EXTS[i].extension);
1646 int start = lenURI - len;
1648 if (!av_strncasecmp(uri + start, FILE_EXTS[i].extension, len)) {
1649 container = FILE_EXTS[i].container;
1658 // BetterSniffFFMPEG
1661 const char *container;
1664 static formatmap FILE_FORMATS[] = {
1665 {"mpegts", MEDIA_MIMETYPE_CONTAINER_TS },
1666 {"mov,mp4,m4a,3gp,3g2,mj2", MEDIA_MIMETYPE_CONTAINER_MOV },
1667 {"asf", MEDIA_MIMETYPE_CONTAINER_ASF },
1668 {"rm", MEDIA_MIMETYPE_CONTAINER_RM },
1669 {"flv", MEDIA_MIMETYPE_CONTAINER_FLV },
1670 {"avi", MEDIA_MIMETYPE_CONTAINER_AVI },
1671 {"ape", MEDIA_MIMETYPE_CONTAINER_APE },
1674 const char *BetterSniffFFMPEG(const char * uri)
1678 const char *container = NULL;
1679 AVFormatContext *ic = NULL;
1681 status_t status = initFFmpeg();
1683 LOGE("could not init ffmpeg");
1687 ic = avformat_alloc_context();
1688 err = avformat_open_input(&ic, uri, NULL, NULL);
1690 LOGE("avformat_open_input faild, err: %d", err);
1691 print_error(uri, err);
1695 av_dump_format(ic, 0, uri, 0);
1697 LOGI("FFmpegExtrator, uri: %s, format_name: %s, format_long_name: %s",
1698 uri, ic->iformat->name, ic->iformat->long_name);
1700 LOGI("list the format suppoted by ffmpeg: ");
1701 LOGI("========================================");
1702 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1703 LOGV("format_names[%02d]: %s", i, FILE_FORMATS[i].format);
1705 LOGI("========================================");
1707 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1708 int len = strlen(FILE_FORMATS[i].format);
1709 if (!av_strncasecmp(ic->iformat->name, FILE_FORMATS[i].format, len)) {
1710 container = FILE_FORMATS[i].container;
1715 avformat_close_input(&ic);
1721 const char *Better2SniffFFMPEG(const sp<DataSource> &source)
1726 char url[128] = {0};
1727 const char *container = NULL;
1728 AVFormatContext *ic = NULL;
1730 status_t status = initFFmpeg();
1732 LOGE("could not init ffmpeg");
1736 LOGI("android source: %x", &source);
1738 // pass the addr of smart pointer("source")
1739 snprintf(url, sizeof(url), "android-source:%x", &source);
1741 ic = avformat_alloc_context();
1742 err = avformat_open_input(&ic, url, NULL, NULL);
1744 LOGE("avformat_open_input faild, err: %d", err);
1745 print_error(url, err);
1749 av_dump_format(ic, 0, url, 0);
1751 LOGI("FFmpegExtrator, url: %s, format_name: %s, format_long_name: %s",
1752 url, ic->iformat->name, ic->iformat->long_name);
1754 LOGI("list the format suppoted by ffmpeg: ");
1755 LOGI("========================================");
1756 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1757 LOGV("format_names[%02d]: %s", i, FILE_FORMATS[i].format);
1759 LOGI("========================================");
1761 for (i = 0; i < NELEM(FILE_FORMATS); ++i) {
1762 int len = strlen(FILE_FORMATS[i].format);
1763 if (!av_strncasecmp(ic->iformat->name, FILE_FORMATS[i].format, len)) {
1764 container = FILE_FORMATS[i].container;
1769 avformat_close_input(&ic);
1776 const sp<DataSource> &source, String8 *mimeType, float *confidence,
1777 sp<AMessage> *meta) {
1778 LOGV("SniffFFMPEG");
1779 const char *uri = NULL;
1780 const char *container = NULL;
1782 uri = source->getNamURI();
1787 LOGI("ffmpeg uri: %s", uri);
1789 container = Better2SniffFFMPEG(source);
1791 LOGW("sniff through Better2SniffFFMPEG failed, try BetterSniffFFMPEG");
1792 container = BetterSniffFFMPEG(uri);
1794 LOGW("sniff through BetterSniffFFMPEG failed, try LegacySniffFFMPEG");
1795 //only check the file extension
1796 container = LegacySniffFFMPEG(uri);
1798 LOGW("sniff through LegacySniffFFMPEG failed");
1800 LOGI("sniff through Better1SniffFFMPEG success");
1803 LOGI("sniff through Better2SniffFFMPEG success");
1806 if (container == NULL)
1809 LOGV("found container: %s", container);
1811 *confidence = 0.88f; // Slightly larger than other extractor's confidence
1812 mimeType->setTo(container);
1814 /* use MPEG4Extractor(not extended extractor) for HTTP source only */
1815 if (!av_strcasecmp(container, MEDIA_MIMETYPE_CONTAINER_MPEG4)
1816 && (source->flags() & DataSource::kIsCachingDataSource)) {
1820 *meta = new AMessage;
1821 (*meta)->setString("extended-extractor", "extended-extractor");
1822 (*meta)->setString("extended-extractor-subtype", "ffmpegextractor");
1827 } // namespace android