diff options
Diffstat (limited to 'media')
18 files changed, 399 insertions, 84 deletions
diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp index 6eddcb6..9a276ae 100644 --- a/media/libmedia/mediaplayer.cpp +++ b/media/libmedia/mediaplayer.cpp @@ -857,6 +857,9 @@ void MediaPlayer::notify(int msg, int ext1, int ext2, const Parcel *obj) case MEDIA_SUBTITLE_DATA: ALOGV("Received subtitle data message"); break; + case MEDIA_META_DATA: + ALOGV("Received timed metadata message"); + break; default: ALOGV("unrecognized message: (%d, %d, %d)", msg, ext1, ext2); break; diff --git a/media/libmediaplayerservice/nuplayer/Android.mk b/media/libmediaplayerservice/nuplayer/Android.mk index 6609874..fca08e2 100644 --- a/media/libmediaplayerservice/nuplayer/Android.mk +++ b/media/libmediaplayerservice/nuplayer/Android.mk @@ -16,6 +16,7 @@ LOCAL_SRC_FILES:= \ StreamingSource.cpp \ LOCAL_C_INCLUDES := \ + $(TOP)/frameworks/av/media/libstagefright \ $(TOP)/frameworks/av/media/libstagefright/httplive \ $(TOP)/frameworks/av/media/libstagefright/include \ $(TOP)/frameworks/av/media/libstagefright/mpeg2ts \ diff --git a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp index 0476c9b..39b8d09 100644 --- a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp +++ b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp @@ -22,7 +22,6 @@ #include "AnotherPacketSource.h" #include "LiveDataSource.h" -#include "LiveSession.h" #include <media/IMediaHTTPService.h> #include <media/stagefright/foundation/ABuffer.h> @@ -30,6 +29,7 @@ #include <media/stagefright/foundation/AMessage.h> #include <media/stagefright/MediaErrors.h> #include <media/stagefright/MetaData.h> +#include <media/stagefright/MediaDefs.h> namespace android { @@ -44,7 +44,10 @@ NuPlayer::HTTPLiveSource::HTTPLiveSource( mFlags(0), mFinalResult(OK), mOffset(0), - mFetchSubtitleDataGeneration(0) { + mFetchSubtitleDataGeneration(0), + mFetchMetaDataGeneration(0), + mHasMetadata(false), + mMetadataSelected(false) { if (headers) { mExtraHeaders = *headers; @@ -142,19 +145,49 @@ sp<AMessage> NuPlayer::HTTPLiveSource::getTrackInfo(size_t trackIndex) const { ssize_t NuPlayer::HTTPLiveSource::getSelectedTrack(media_track_type type) const { if (mLiveSession == NULL) { return -1; + } else if (type == MEDIA_TRACK_TYPE_METADATA) { + // MEDIA_TRACK_TYPE_METADATA is always last track + // mMetadataSelected can only be true when mHasMetadata is true + return mMetadataSelected ? (mLiveSession->getTrackCount() - 1) : -1; } else { return mLiveSession->getSelectedTrack(type); } } status_t NuPlayer::HTTPLiveSource::selectTrack(size_t trackIndex, bool select, int64_t /*timeUs*/) { - status_t err = mLiveSession->selectTrack(trackIndex, select); + if (mLiveSession == NULL) { + return INVALID_OPERATION; + } + + status_t err = INVALID_OPERATION; + bool postFetchMsg = false, isSub = false; + if (trackIndex != mLiveSession->getTrackCount() - 1) { + err = mLiveSession->selectTrack(trackIndex, select); + postFetchMsg = select; + isSub = true; + } else { + // metadata track + if (mHasMetadata) { + if (mMetadataSelected && !select) { + err = OK; + } else if (!mMetadataSelected && select) { + postFetchMsg = true; + err = OK; + } else { + err = BAD_VALUE; // behave as LiveSession::selectTrack + } + + mMetadataSelected = select; + } + } if (err == OK) { - mFetchSubtitleDataGeneration++; - if (select) { - sp<AMessage> msg = new AMessage(kWhatFetchSubtitleData, this); - msg->setInt32("generation", mFetchSubtitleDataGeneration); + int32_t &generation = isSub ? mFetchSubtitleDataGeneration : mFetchMetaDataGeneration; + generation++; + if (postFetchMsg) { + int32_t what = isSub ? kWhatFetchSubtitleData : kWhatFetchMetaData; + sp<AMessage> msg = new AMessage(what, this); + msg->setInt32("generation", generation); msg->post(); } } @@ -169,6 +202,49 @@ status_t NuPlayer::HTTPLiveSource::seekTo(int64_t seekTimeUs) { return mLiveSession->seekTo(seekTimeUs); } +void NuPlayer::HTTPLiveSource::pollForRawData( + const sp<AMessage> &msg, int32_t currentGeneration, + LiveSession::StreamType fetchType, int32_t pushWhat) { + + int32_t generation; + CHECK(msg->findInt32("generation", &generation)); + + if (generation != currentGeneration) { + return; + } + + sp<ABuffer> buffer; + while (mLiveSession->dequeueAccessUnit(fetchType, &buffer) == OK) { + + sp<AMessage> notify = dupNotify(); + notify->setInt32("what", pushWhat); + notify->setBuffer("buffer", buffer); + + int64_t timeUs, baseUs, delayUs; + CHECK(buffer->meta()->findInt64("baseUs", &baseUs)); + CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); + delayUs = baseUs + timeUs - ALooper::GetNowUs(); + + if (fetchType == LiveSession::STREAMTYPE_SUBTITLES) { + notify->post(); + msg->post(delayUs > 0ll ? delayUs : 0ll); + return; + } else if (fetchType == LiveSession::STREAMTYPE_METADATA) { + if (delayUs < -1000000ll) { // 1 second + continue; + } + notify->post(); + // push all currently available metadata buffers in each invocation of pollForRawData + // continue; + } else { + TRESPASS(); + } + } + + // try again in 1 second + msg->post(1000000ll); +} + void NuPlayer::HTTPLiveSource::onMessageReceived(const sp<AMessage> &msg) { switch (msg->what()) { case kWhatSessionNotify: @@ -179,33 +255,24 @@ void NuPlayer::HTTPLiveSource::onMessageReceived(const sp<AMessage> &msg) { case kWhatFetchSubtitleData: { - int32_t generation; - CHECK(msg->findInt32("generation", &generation)); + pollForRawData( + msg, mFetchSubtitleDataGeneration, + /* fetch */ LiveSession::STREAMTYPE_SUBTITLES, + /* push */ kWhatSubtitleData); + + break; + } - if (generation != mFetchSubtitleDataGeneration) { - // stale + case kWhatFetchMetaData: + { + if (!mMetadataSelected) { break; } - sp<ABuffer> buffer; - if (mLiveSession->dequeueAccessUnit( - LiveSession::STREAMTYPE_SUBTITLES, &buffer) == OK) { - sp<AMessage> notify = dupNotify(); - notify->setInt32("what", kWhatSubtitleData); - notify->setBuffer("buffer", buffer); - notify->post(); - - int64_t timeUs, baseUs, durationUs, delayUs; - CHECK(buffer->meta()->findInt64("baseUs", &baseUs)); - CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); - CHECK(buffer->meta()->findInt64("durationUs", &durationUs)); - delayUs = baseUs + timeUs - ALooper::GetNowUs(); - - msg->post(delayUs > 0ll ? delayUs : 0ll); - } else { - // try again in 1 second - msg->post(1000000ll); - } + pollForRawData( + msg, mFetchMetaDataGeneration, + /* fetch */ LiveSession::STREAMTYPE_METADATA, + /* push */ kWhatTimedMetaData); break; } @@ -309,6 +376,19 @@ void NuPlayer::HTTPLiveSource::onSessionNotify(const sp<AMessage> &msg) { break; } + case LiveSession::kWhatMetadataDetected: + { + if (!mHasMetadata) { + mHasMetadata = true; + + sp<AMessage> notify = dupNotify(); + // notification without buffer triggers MEDIA_INFO_METADATA_UPDATE + notify->setInt32("what", kWhatTimedMetaData); + notify->post(); + } + break; + } + case LiveSession::kWhatError: { break; diff --git a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h index bbb8981..9e0ec2f 100644 --- a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h +++ b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h @@ -21,6 +21,8 @@ #include "NuPlayer.h" #include "NuPlayerSource.h" +#include "LiveSession.h" + namespace android { struct LiveSession; @@ -60,6 +62,7 @@ private: enum { kWhatSessionNotify, kWhatFetchSubtitleData, + kWhatFetchMetaData, }; sp<IMediaHTTPService> mHTTPService; @@ -71,8 +74,14 @@ private: sp<ALooper> mLiveLooper; sp<LiveSession> mLiveSession; int32_t mFetchSubtitleDataGeneration; + int32_t mFetchMetaDataGeneration; + bool mHasMetadata; + bool mMetadataSelected; void onSessionNotify(const sp<AMessage> &msg); + void pollForRawData( + const sp<AMessage> &msg, int32_t currentGeneration, + LiveSession::StreamType fetchType, int32_t pushWhat); DISALLOW_EVIL_CONSTRUCTORS(HTTPLiveSource); }; diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp index db73784..1bd4e57 100644 --- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp +++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp @@ -1859,6 +1859,17 @@ void NuPlayer::onSourceNotify(const sp<AMessage> &msg) { break; } + case Source::kWhatTimedMetaData: + { + sp<ABuffer> buffer; + if (!msg->findBuffer("buffer", &buffer)) { + notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0); + } else { + sendTimedMetaData(buffer); + } + break; + } + case Source::kWhatTimedTextData: { int32_t generation; @@ -1967,6 +1978,19 @@ void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) { notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in); } +void NuPlayer::sendTimedMetaData(const sp<ABuffer> &buffer) { + int64_t timeUs; + CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); + + Parcel in; + in.writeInt64(timeUs); + in.writeInt32(buffer->size()); + in.writeInt32(buffer->size()); + in.write(buffer->data(), buffer->size()); + + notifyListener(MEDIA_META_DATA, 0, 0, &in); +} + void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) { const void *data; size_t size = 0; diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.h b/media/libmediaplayerservice/nuplayer/NuPlayer.h index 623b0ce..c0205b6 100644 --- a/media/libmediaplayerservice/nuplayer/NuPlayer.h +++ b/media/libmediaplayerservice/nuplayer/NuPlayer.h @@ -249,6 +249,7 @@ private: bool audio, bool video, const sp<AMessage> &reply); void sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex); + void sendTimedMetaData(const sp<ABuffer> &buffer); void sendTimedTextData(const sp<ABuffer> &buffer); void writeTrackInfo(Parcel* reply, const sp<AMessage> format) const; diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h index d9f14a2..1b0c2df 100644 --- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h +++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h @@ -53,6 +53,7 @@ struct NuPlayer::Source : public AHandler { kWhatCacheStats, kWhatSubtitleData, kWhatTimedTextData, + kWhatTimedMetaData, kWhatQueueDecoderShutdown, kWhatDrmNoLicense, kWhatInstantiateSecureDecoders, diff --git a/media/libstagefright/MediaDefs.cpp b/media/libstagefright/MediaDefs.cpp index c48a5ae..b0a65d2 100644 --- a/media/libstagefright/MediaDefs.cpp +++ b/media/libstagefright/MediaDefs.cpp @@ -62,5 +62,6 @@ const char *MEDIA_MIMETYPE_TEXT_3GPP = "text/3gpp-tt"; const char *MEDIA_MIMETYPE_TEXT_SUBRIP = "application/x-subrip"; const char *MEDIA_MIMETYPE_TEXT_VTT = "text/vtt"; const char *MEDIA_MIMETYPE_TEXT_CEA_608 = "text/cea-608"; +const char *MEDIA_MIMETYPE_DATA_METADATA = "application/octet-stream"; } // namespace android diff --git a/media/libstagefright/httplive/LiveSession.cpp b/media/libstagefright/httplive/LiveSession.cpp index 4886000..203444a 100644 --- a/media/libstagefright/httplive/LiveSession.cpp +++ b/media/libstagefright/httplive/LiveSession.cpp @@ -38,6 +38,7 @@ #include <media/stagefright/FileSource.h> #include <media/stagefright/MediaErrors.h> #include <media/stagefright/MediaHTTP.h> +#include <media/stagefright/MediaDefs.h> #include <media/stagefright/MetaData.h> #include <media/stagefright/Utils.h> @@ -135,6 +136,8 @@ const char *LiveSession::getKeyForStream(StreamType type) { return "timeUsAudio"; case STREAMTYPE_SUBTITLES: return "timeUsSubtitle"; + case STREAMTYPE_METADATA: + return "timeUsMetadata"; // unused default: TRESPASS(); } @@ -150,12 +153,30 @@ const char *LiveSession::getNameForStream(StreamType type) { return "audio"; case STREAMTYPE_SUBTITLES: return "subs"; + case STREAMTYPE_METADATA: + return "metadata"; default: break; } return "unknown"; } +//static +ATSParser::SourceType LiveSession::getSourceTypeForStream(StreamType type) { + switch (type) { + case STREAMTYPE_VIDEO: + return ATSParser::VIDEO; + case STREAMTYPE_AUDIO: + return ATSParser::AUDIO; + case STREAMTYPE_METADATA: + return ATSParser::META; + case STREAMTYPE_SUBTITLES: + default: + TRESPASS(); + } + return ATSParser::NUM_SOURCE_TYPES; // should not reach here +} + LiveSession::LiveSession( const sp<AMessage> ¬ify, uint32_t flags, const sp<IMediaHTTPService> &httpService) @@ -187,12 +208,13 @@ LiveSession::LiveSession( mUpSwitchMargin(kUpSwitchMarginUs), mFirstTimeUsValid(false), mFirstTimeUs(0), - mLastSeekTimeUs(0) { + mLastSeekTimeUs(0), + mHasMetadata(false) { mStreams[kAudioIndex] = StreamItem("audio"); mStreams[kVideoIndex] = StreamItem("video"); mStreams[kSubtitleIndex] = StreamItem("subtitles"); - for (size_t i = 0; i < kMaxStreams; ++i) { + for (size_t i = 0; i < kNumSources; ++i) { mPacketSources.add(indexToType(i), new AnotherPacketSource(NULL /* meta */)); mPacketSources2.add(indexToType(i), new AnotherPacketSource(NULL /* meta */)); } @@ -204,6 +226,20 @@ LiveSession::~LiveSession() { } } +int64_t LiveSession::calculateMediaTimeUs( + int64_t firstTimeUs, int64_t timeUs, int32_t discontinuitySeq) { + if (timeUs >= firstTimeUs) { + timeUs -= firstTimeUs; + } else { + timeUs = 0; + } + timeUs += mLastSeekTimeUs; + if (mDiscontinuityOffsetTimesUs.indexOfKey(discontinuitySeq) >= 0) { + timeUs += mDiscontinuityOffsetTimesUs.valueFor(discontinuitySeq); + } + return timeUs; +} + status_t LiveSession::dequeueAccessUnit( StreamType stream, sp<ABuffer> *accessUnit) { status_t finalResult = OK; @@ -236,7 +272,6 @@ status_t LiveSession::dequeueAccessUnit( status_t err = packetSource->dequeueAccessUnit(accessUnit); - StreamItem& strm = mStreams[streamIdx]; if (err == INFO_DISCONTINUITY) { // adaptive streaming, discontinuities in the playlist int32_t type; @@ -256,6 +291,7 @@ status_t LiveSession::dequeueAccessUnit( if (stream == STREAMTYPE_AUDIO || stream == STREAMTYPE_VIDEO) { int64_t timeUs, originalTimeUs; int32_t discontinuitySeq = 0; + StreamItem& strm = mStreams[streamIdx]; CHECK((*accessUnit)->meta()->findInt64("timeUs", &timeUs)); originalTimeUs = timeUs; (*accessUnit)->meta()->findInt32("discontinuitySeq", &discontinuitySeq); @@ -299,15 +335,7 @@ status_t LiveSession::dequeueAccessUnit( } strm.mLastDequeuedTimeUs = timeUs; - if (timeUs >= firstTimeUs) { - timeUs -= firstTimeUs; - } else { - timeUs = 0; - } - timeUs += mLastSeekTimeUs; - if (mDiscontinuityOffsetTimesUs.indexOfKey(discontinuitySeq) >= 0) { - timeUs += mDiscontinuityOffsetTimesUs.valueFor(discontinuitySeq); - } + timeUs = calculateMediaTimeUs(firstTimeUs, timeUs, discontinuitySeq); ALOGV("[%s] dequeueAccessUnit: time %lld us, original %lld us", streamStr, (long long)timeUs, (long long)originalTimeUs); @@ -323,6 +351,17 @@ status_t LiveSession::dequeueAccessUnit( (*accessUnit)->meta()->setInt32( "trackIndex", mPlaylist->getSelectedIndex()); (*accessUnit)->meta()->setInt64("baseUs", mRealTimeBaseUs); + } else if (stream == STREAMTYPE_METADATA) { + HLSTime mdTime((*accessUnit)->meta()); + if (mDiscontinuityAbsStartTimesUs.indexOfKey(mdTime.mSeq) < 0) { + packetSource->requeueAccessUnit((*accessUnit)); + return -EAGAIN; + } else { + int64_t firstTimeUs = mDiscontinuityAbsStartTimesUs.valueFor(mdTime.mSeq); + int64_t timeUs = calculateMediaTimeUs(firstTimeUs, mdTime.mTimeUs, mdTime.mSeq); + (*accessUnit)->meta()->setInt64("timeUs", timeUs); + (*accessUnit)->meta()->setInt64("baseUs", mRealTimeBaseUs); + } } } else { ALOGI("[%s] encountered error %d", streamStr, err); @@ -728,6 +767,17 @@ void LiveSession::onMessageReceived(const sp<AMessage> &msg) { break; } + case PlaylistFetcher::kWhatMetadataDetected: + { + if (!mHasMetadata) { + mHasMetadata = true; + sp<AMessage> notify = mNotify->dup(); + notify->setInt32("what", kWhatMetadataDetected); + notify->post(); + } + break; + } + default: TRESPASS(); } @@ -788,7 +838,7 @@ int LiveSession::SortByBandwidth(const BandwidthItem *a, const BandwidthItem *b) // static LiveSession::StreamType LiveSession::indexToType(int idx) { - CHECK(idx >= 0 && idx < kMaxStreams); + CHECK(idx >= 0 && idx < kNumSources); return (StreamType)(1 << idx); } @@ -801,6 +851,8 @@ ssize_t LiveSession::typeToIndex(int32_t type) { return 1; case STREAMTYPE_SUBTITLES: return 2; + case STREAMTYPE_METADATA: + return 3; default: return -1; }; @@ -1179,6 +1231,45 @@ static double uniformRand() { } #endif +bool LiveSession::UriIsSameAsIndex(const AString &uri, int32_t i, bool newUri) { + ALOGI("[timed_id3] i %d UriIsSameAsIndex newUri %s, %s", i, + newUri ? "true" : "false", + newUri ? mStreams[i].mNewUri.c_str() : mStreams[i].mUri.c_str()); + return i >= 0 + && ((!newUri && uri == mStreams[i].mUri) + || (newUri && uri == mStreams[i].mNewUri)); +} + +sp<AnotherPacketSource> LiveSession::getPacketSourceForStreamIndex( + size_t trackIndex, bool newUri) { + StreamType type = indexToType(trackIndex); + sp<AnotherPacketSource> source = NULL; + if (newUri) { + source = mPacketSources2.valueFor(type); + source->clear(); + } else { + source = mPacketSources.valueFor(type); + }; + return source; +} + +sp<AnotherPacketSource> LiveSession::getMetadataSource( + sp<AnotherPacketSource> sources[kNumSources], uint32_t streamMask, bool newUri) { + // todo: One case where the following strategy can fail is when audio and video + // are in separate playlists, both are transport streams, and the metadata + // is actually contained in the audio stream. + ALOGV("[timed_id3] getMetadataSourceForUri streamMask %x newUri %s", + streamMask, newUri ? "true" : "false"); + + if ((sources[kVideoIndex] != NULL) // video fetcher; or ... + || (!(streamMask & STREAMTYPE_VIDEO) && sources[kAudioIndex] != NULL)) { + // ... audio fetcher for audio only variant + return getPacketSourceForStreamIndex(kMetaDataIndex, newUri); + } + + return NULL; +} + bool LiveSession::resumeFetcher( const AString &uri, uint32_t streamMask, int64_t timeUs, bool newUri) { ssize_t index = mFetcherInfos.indexOfKey(uri); @@ -1188,18 +1279,11 @@ bool LiveSession::resumeFetcher( } bool resume = false; - sp<AnotherPacketSource> sources[kMaxStreams]; + sp<AnotherPacketSource> sources[kNumSources]; for (size_t i = 0; i < kMaxStreams; ++i) { - if ((streamMask & indexToType(i)) - && ((!newUri && uri == mStreams[i].mUri) - || (newUri && uri == mStreams[i].mNewUri))) { + if ((streamMask & indexToType(i)) && UriIsSameAsIndex(uri, i, newUri)) { resume = true; - if (newUri) { - sources[i] = mPacketSources2.valueFor(indexToType(i)); - sources[i]->clear(); - } else { - sources[i] = mPacketSources.valueFor(indexToType(i)); - } + sources[i] = getPacketSourceForStreamIndex(i, newUri); } } @@ -1214,6 +1298,7 @@ bool LiveSession::resumeFetcher( sources[kAudioIndex], sources[kVideoIndex], sources[kSubtitleIndex], + getMetadataSource(sources, streamMask, newUri), timeUs, -1, -1, seekMode); } @@ -1424,7 +1509,7 @@ size_t LiveSession::getTrackCount() const { if (mPlaylist == NULL) { return 0; } else { - return mPlaylist->getTrackCount(); + return mPlaylist->getTrackCount() + (mHasMetadata ? 1 : 0); } } @@ -1432,6 +1517,13 @@ sp<AMessage> LiveSession::getTrackInfo(size_t trackIndex) const { if (mPlaylist == NULL) { return NULL; } else { + if (trackIndex == mPlaylist->getTrackCount() && mHasMetadata) { + sp<AMessage> format = new AMessage(); + format->setInt32("type", MEDIA_TRACK_TYPE_METADATA); + format->setString("language", "und"); + format->setString("mime", MEDIA_MIMETYPE_DATA_METADATA); + return format; + } return mPlaylist->getTrackInfo(trackIndex); } } @@ -1768,7 +1860,7 @@ void LiveSession::onChangeConfiguration3(const sp<AMessage> &msg) { HLSTime startTime; SeekMode seekMode = kSeekModeExactPosition; - sp<AnotherPacketSource> sources[kMaxStreams]; + sp<AnotherPacketSource> sources[kNumSources]; if (i == kSubtitleIndex || (!pickTrack && !switching)) { startTime = latestMediaSegmentStartTime(); @@ -1797,8 +1889,8 @@ void LiveSession::onChangeConfiguration3(const sp<AMessage> &msg) { } } - if (j != kSubtitleIndex && meta != NULL - && !meta->findInt32("discontinuity", &type)) { + if ((j == kAudioIndex || j == kVideoIndex) + && meta != NULL && !meta->findInt32("discontinuity", &type)) { HLSTime tmpTime(meta); if (startTime < tmpTime) { startTime = tmpTime; @@ -1851,6 +1943,7 @@ void LiveSession::onChangeConfiguration3(const sp<AMessage> &msg) { sources[kAudioIndex], sources[kVideoIndex], sources[kSubtitleIndex], + getMetadataSource(sources, mNewStreamMask, switching), startTime.mTimeUs < 0 ? mLastSeekTimeUs : startTime.mTimeUs, startTime.getSegmentTimeUs(true /* midpoint */), startTime.mSeq, diff --git a/media/libstagefright/httplive/LiveSession.h b/media/libstagefright/httplive/LiveSession.h index ed74bc2..86d0498 100644 --- a/media/libstagefright/httplive/LiveSession.h +++ b/media/libstagefright/httplive/LiveSession.h @@ -23,6 +23,8 @@ #include <utils/String8.h> +#include "mpeg2ts/ATSParser.h" + namespace android { struct ABuffer; @@ -47,12 +49,15 @@ struct LiveSession : public AHandler { kVideoIndex = 1, kSubtitleIndex = 2, kMaxStreams = 3, + kMetaDataIndex = 3, + kNumSources = 4, }; enum StreamType { STREAMTYPE_AUDIO = 1 << kAudioIndex, STREAMTYPE_VIDEO = 1 << kVideoIndex, STREAMTYPE_SUBTITLES = 1 << kSubtitleIndex, + STREAMTYPE_METADATA = 1 << kMetaDataIndex, }; enum SeekMode { @@ -66,6 +71,7 @@ struct LiveSession : public AHandler { uint32_t flags, const sp<IMediaHTTPService> &httpService); + int64_t calculateMediaTimeUs(int64_t firstTimeUs, int64_t timeUs, int32_t discontinuitySeq); status_t dequeueAccessUnit(StreamType stream, sp<ABuffer> *accessUnit); status_t getStreamFormat(StreamType stream, sp<AMessage> *format); @@ -92,6 +98,7 @@ struct LiveSession : public AHandler { static const char *getKeyForStream(StreamType type); static const char *getNameForStream(StreamType type); + static ATSParser::SourceType getSourceTypeForStream(StreamType type); enum { kWhatStreamsChanged, @@ -101,6 +108,7 @@ struct LiveSession : public AHandler { kWhatBufferingStart, kWhatBufferingEnd, kWhatBufferingUpdate, + kWhatMetadataDetected, }; protected: @@ -233,6 +241,8 @@ private: bool mFirstTimeUsValid; int64_t mFirstTimeUs; int64_t mLastSeekTimeUs; + bool mHasMetadata; + KeyedVector<size_t, int64_t> mDiscontinuityAbsStartTimesUs; KeyedVector<size_t, int64_t> mDiscontinuityOffsetTimesUs; @@ -268,6 +278,11 @@ private: sp<M3UParser> fetchPlaylist( const char *url, uint8_t *curPlaylistHash, bool *unchanged); + bool UriIsSameAsIndex( const AString &uri, int32_t index, bool newUri); + sp<AnotherPacketSource> getPacketSourceForStreamIndex(size_t trackIndex, bool newUri); + sp<AnotherPacketSource> getMetadataSource( + sp<AnotherPacketSource> sources[kNumSources], uint32_t streamMask, bool newUri); + bool resumeFetcher( const AString &uri, uint32_t streamMask, int64_t timeUs = -1ll, bool newUri = false); diff --git a/media/libstagefright/httplive/PlaylistFetcher.cpp b/media/libstagefright/httplive/PlaylistFetcher.cpp index ce79cc2..a4e523d 100644 --- a/media/libstagefright/httplive/PlaylistFetcher.cpp +++ b/media/libstagefright/httplive/PlaylistFetcher.cpp @@ -17,6 +17,7 @@ //#define LOG_NDEBUG 0 #define LOG_TAG "PlaylistFetcher" #include <utils/Log.h> +#include <utils/misc.h> #include "PlaylistFetcher.h" @@ -174,7 +175,8 @@ PlaylistFetcher::PlaylistFetcher( mFirstTimeUs(-1ll), mVideoBuffer(new AnotherPacketSource(NULL)), mThresholdRatio(-1.0f), - mDownloadState(new DownloadState()) { + mDownloadState(new DownloadState()), + mHasMetadata(false) { memset(mPlaylistHash, 0, sizeof(mPlaylistHash)); mHTTPDataSource = mSession->getHTTPDataSource(); } @@ -470,6 +472,7 @@ void PlaylistFetcher::startAsync( const sp<AnotherPacketSource> &audioSource, const sp<AnotherPacketSource> &videoSource, const sp<AnotherPacketSource> &subtitleSource, + const sp<AnotherPacketSource> &metadataSource, int64_t startTimeUs, int64_t segmentStartTimeUs, int32_t startDiscontinuitySeq, @@ -493,6 +496,11 @@ void PlaylistFetcher::startAsync( streamTypeMask |= LiveSession::STREAMTYPE_SUBTITLES; } + if (metadataSource != NULL) { + msg->setPointer("metadataSource", metadataSource.get()); + // metadataSource does not affect streamTypeMask. + } + msg->setInt32("streamTypeMask", streamTypeMask); msg->setInt64("startTimeUs", startTimeUs); msg->setInt64("segmentStartTimeUs", segmentStartTimeUs); @@ -637,6 +645,15 @@ status_t PlaylistFetcher::onStart(const sp<AMessage> &msg) { static_cast<AnotherPacketSource *>(ptr)); } + void *ptr; + // metadataSource is not part of streamTypeMask + if ((streamTypeMask & (LiveSession::STREAMTYPE_AUDIO | LiveSession::STREAMTYPE_VIDEO)) + && msg->findPointer("metadataSource", &ptr)) { + mPacketSources.add( + LiveSession::STREAMTYPE_METADATA, + static_cast<AnotherPacketSource *>(ptr)); + } + mStreamTypeMask = streamTypeMask; mSegmentStartTimeUs = segmentStartTimeUs; @@ -1315,11 +1332,11 @@ void PlaylistFetcher::onDownloadNext() { if (bufferStartsWithTsSyncByte(buffer)) { // If we don't see a stream in the program table after fetching a full ts segment // mark it as nonexistent. - const size_t kNumTypes = ATSParser::NUM_SOURCE_TYPES; - ATSParser::SourceType srcTypes[kNumTypes] = + ATSParser::SourceType srcTypes[] = { ATSParser::VIDEO, ATSParser::AUDIO }; - LiveSession::StreamType streamTypes[kNumTypes] = + LiveSession::StreamType streamTypes[] = { LiveSession::STREAMTYPE_VIDEO, LiveSession::STREAMTYPE_AUDIO }; + const size_t kNumTypes = NELEM(srcTypes); for (size_t i = 0; i < kNumTypes; i++) { ATSParser::SourceType srcType = srcTypes[i]; @@ -1502,6 +1519,27 @@ const sp<ABuffer> &PlaylistFetcher::setAccessUnitProperties( return accessUnit; } +bool PlaylistFetcher::isStartTimeReached(int64_t timeUs) { + if (!mFirstPTSValid) { + mFirstTimeUs = timeUs; + mFirstPTSValid = true; + } + bool startTimeReached = true; + if (mStartTimeUsRelative) { + FLOGV("startTimeUsRelative, timeUs (%lld) - %lld = %lld", + (long long)timeUs, + (long long)mFirstTimeUs, + (long long)(timeUs - mFirstTimeUs)); + timeUs -= mFirstTimeUs; + if (timeUs < 0) { + FLOGV("clamp negative timeUs to 0"); + timeUs = 0; + } + startTimeReached = (timeUs >= mStartTimeUs); + } + return startTimeReached; +} + status_t PlaylistFetcher::extractAndQueueAccessUnitsFromTs(const sp<ABuffer> &buffer) { if (mTSParser == NULL) { // Use TS_TIMESTAMPS_ARE_ABSOLUTE so pts carry over between fetchers. @@ -1548,10 +1586,9 @@ status_t PlaylistFetcher::extractAndQueueAccessUnitsFromTs(const sp<ABuffer> &bu ALOGE("MPEG2 Transport streams do not contain subtitles."); return ERROR_MALFORMED; } + const char *key = LiveSession::getKeyForStream(stream); - ATSParser::SourceType type = - (stream == LiveSession::STREAMTYPE_AUDIO) ? - ATSParser::AUDIO : ATSParser::VIDEO; + ATSParser::SourceType type =LiveSession::getSourceTypeForStream(stream); sp<AnotherPacketSource> source = static_cast<AnotherPacketSource *>( @@ -1637,23 +1674,7 @@ status_t PlaylistFetcher::extractAndQueueAccessUnitsFromTs(const sp<ABuffer> &bu } } if (mStartup) { - if (!mFirstPTSValid) { - mFirstTimeUs = timeUs; - mFirstPTSValid = true; - } - bool startTimeReached = true; - if (mStartTimeUsRelative) { - FLOGV("startTimeUsRelative, timeUs (%lld) - %lld = %lld", - (long long)timeUs, - (long long)mFirstTimeUs, - (long long)(timeUs - mFirstTimeUs)); - timeUs -= mFirstTimeUs; - if (timeUs < 0) { - FLOGV("clamp negative timeUs to 0"); - timeUs = 0; - } - startTimeReached = (timeUs >= mStartTimeUs); - } + bool startTimeReached = isStartTimeReached(timeUs); if (!startTimeReached || (isAvc && !mIDRFound)) { // buffer up to the closest preceding IDR frame in the next segement, @@ -1680,7 +1701,8 @@ status_t PlaylistFetcher::extractAndQueueAccessUnitsFromTs(const sp<ABuffer> &bu if (mStartTimeUsNotify != NULL) { uint32_t streamMask = 0; mStartTimeUsNotify->findInt32("streamMask", (int32_t *) &streamMask); - if (!(streamMask & mPacketSources.keyAt(i))) { + if ((mStreamTypeMask & mPacketSources.keyAt(i)) + && !(streamMask & mPacketSources.keyAt(i))) { streamMask |= mPacketSources.keyAt(i); mStartTimeUsNotify->setInt32("streamMask", streamMask); FSLOGV(stream, "found start point, timeUs=%lld, streamMask becomes %x", @@ -1721,6 +1743,11 @@ status_t PlaylistFetcher::extractAndQueueAccessUnitsFromTs(const sp<ABuffer> &bu FSLOGV(stream, "queueAccessUnit (saved), timeUs=%lld", (long long)bufferTimeUs); } + } else if (stream == LiveSession::STREAMTYPE_METADATA && !mHasMetadata) { + mHasMetadata = true; + sp<AMessage> notify = mNotify->dup(); + notify->setInt32("what", kWhatMetadataDetected); + notify->post(); } setAccessUnitProperties(accessUnit, source); diff --git a/media/libstagefright/httplive/PlaylistFetcher.h b/media/libstagefright/httplive/PlaylistFetcher.h index f64d160..bb14a0d 100644 --- a/media/libstagefright/httplive/PlaylistFetcher.h +++ b/media/libstagefright/httplive/PlaylistFetcher.h @@ -49,6 +49,7 @@ struct PlaylistFetcher : public AHandler { kWhatPreparationFailed, kWhatStartedAt, kWhatStopReached, + kWhatMetadataDetected, }; PlaylistFetcher( @@ -66,6 +67,7 @@ struct PlaylistFetcher : public AHandler { const sp<AnotherPacketSource> &audioSource, const sp<AnotherPacketSource> &videoSource, const sp<AnotherPacketSource> &subtitleSource, + const sp<AnotherPacketSource> &metadataSource, int64_t startTimeUs = -1ll, // starting timestamps int64_t segmentStartTimeUs = -1ll, // starting position within playlist // startTimeUs!=segmentStartTimeUs only when playlist is live @@ -177,6 +179,8 @@ private: sp<DownloadState> mDownloadState; + bool mHasMetadata; + // Set first to true if decrypting the first segment of a playlist segment. When // first is true, reset the initialization vector based on the available // information in the manifest; otherwise, use the initialization vector as @@ -222,6 +226,7 @@ private: const sp<ABuffer> &accessUnit, const sp<AnotherPacketSource> &source, bool discard = false); + bool isStartTimeReached(int64_t timeUs); status_t extractAndQueueAccessUnitsFromTs(const sp<ABuffer> &buffer); status_t extractAndQueueAccessUnits( diff --git a/media/libstagefright/mpeg2ts/ATSParser.cpp b/media/libstagefright/mpeg2ts/ATSParser.cpp index 14ae81c..5411821 100644 --- a/media/libstagefright/mpeg2ts/ATSParser.cpp +++ b/media/libstagefright/mpeg2ts/ATSParser.cpp @@ -132,6 +132,7 @@ struct ATSParser::Stream : public RefBase { bool isAudio() const; bool isVideo() const; + bool isMeta() const; protected: virtual ~Stream(); @@ -604,6 +605,11 @@ ATSParser::Stream::Stream( ElementaryStreamQueue::AC3); break; + case STREAMTYPE_METADATA: + mQueue = new ElementaryStreamQueue( + ElementaryStreamQueue::METADATA); + break; + default: break; } @@ -722,6 +728,13 @@ bool ATSParser::Stream::isAudio() const { } } +bool ATSParser::Stream::isMeta() const { + if (mStreamType == STREAMTYPE_METADATA) { + return true; + } + return false; +} + void ATSParser::Stream::signalDiscontinuity( DiscontinuityType type, const sp<AMessage> &extra) { mExpectedContinuityCounter = -1; @@ -1037,6 +1050,14 @@ sp<MediaSource> ATSParser::Stream::getSource(SourceType type) { break; } + case META: + { + if (isMeta()) { + return mSource; + } + break; + } + default: break; } diff --git a/media/libstagefright/mpeg2ts/ATSParser.h b/media/libstagefright/mpeg2ts/ATSParser.h index a1405bd..87ab1a0 100644 --- a/media/libstagefright/mpeg2ts/ATSParser.h +++ b/media/libstagefright/mpeg2ts/ATSParser.h @@ -74,7 +74,8 @@ struct ATSParser : public RefBase { enum SourceType { VIDEO = 0, AUDIO = 1, - NUM_SOURCE_TYPES = 2 + META = 2, + NUM_SOURCE_TYPES = 3 }; sp<MediaSource> getSource(SourceType type); bool hasSource(SourceType type) const; @@ -90,6 +91,7 @@ struct ATSParser : public RefBase { STREAMTYPE_MPEG2_AUDIO = 0x04, STREAMTYPE_MPEG2_AUDIO_ADTS = 0x0f, STREAMTYPE_MPEG4_VIDEO = 0x10, + STREAMTYPE_METADATA = 0x15, STREAMTYPE_H264 = 0x1b, // From ATSC A/53 Part 3:2009, 6.7.1 diff --git a/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp b/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp index a4f8739..87ec860 100644 --- a/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp +++ b/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp @@ -73,7 +73,7 @@ void AnotherPacketSource::setFormat(const sp<MetaData> &meta) { } else if (!strncasecmp("video/", mime, 6)) { mIsVideo = true; } else { - CHECK(!strncasecmp("text/", mime, 5)); + CHECK(!strncasecmp("text/", mime, 5) || !strncasecmp("application/", mime, 12)); } } @@ -146,6 +146,12 @@ status_t AnotherPacketSource::dequeueAccessUnit(sp<ABuffer> *buffer) { return mEOSResult; } +void AnotherPacketSource::requeueAccessUnit(const sp<ABuffer> &buffer) { + // TODO: update corresponding book keeping info. + Mutex::Autolock autoLock(mLock); + mBuffers.push_front(buffer); +} + status_t AnotherPacketSource::read( MediaBuffer **out, const ReadOptions *) { *out = NULL; diff --git a/media/libstagefright/mpeg2ts/AnotherPacketSource.h b/media/libstagefright/mpeg2ts/AnotherPacketSource.h index fa7dd6a..08cd92e 100644 --- a/media/libstagefright/mpeg2ts/AnotherPacketSource.h +++ b/media/libstagefright/mpeg2ts/AnotherPacketSource.h @@ -67,6 +67,7 @@ struct AnotherPacketSource : public MediaSource { void signalEOS(status_t result); status_t dequeueAccessUnit(sp<ABuffer> *buffer); + void requeueAccessUnit(const sp<ABuffer> &buffer); bool isFinished(int64_t duration) const; diff --git a/media/libstagefright/mpeg2ts/ESQueue.cpp b/media/libstagefright/mpeg2ts/ESQueue.cpp index 55262ff..f28a1fd 100644 --- a/media/libstagefright/mpeg2ts/ESQueue.cpp +++ b/media/libstagefright/mpeg2ts/ESQueue.cpp @@ -415,6 +415,7 @@ status_t ElementaryStreamQueue::appendData( } case PCM_AUDIO: + case METADATA: { break; } @@ -499,6 +500,8 @@ sp<ABuffer> ElementaryStreamQueue::dequeueAccessUnit() { return dequeueAccessUnitMPEG4Video(); case PCM_AUDIO: return dequeueAccessUnitPCMAudio(); + case METADATA: + return dequeueAccessUnitMetadata(); default: CHECK_EQ((unsigned)mMode, (unsigned)MPEG_AUDIO); return dequeueAccessUnitMPEGAudio(); @@ -1292,5 +1295,25 @@ void ElementaryStreamQueue::signalEOS() { } } +sp<ABuffer> ElementaryStreamQueue::dequeueAccessUnitMetadata() { + size_t size = mBuffer->size(); + if (!size) { + return NULL; + } + + sp<ABuffer> accessUnit = new ABuffer(size); + int64_t timeUs = fetchTimestamp(size); + accessUnit->meta()->setInt64("timeUs", timeUs); + + memcpy(accessUnit->data(), mBuffer->data(), size); + mBuffer->setRange(0, 0); + + if (mFormat == NULL) { + mFormat = new MetaData; + mFormat->setCString(kKeyMIMEType, MEDIA_MIMETYPE_DATA_METADATA); + } + + return accessUnit; +} } // namespace android diff --git a/media/libstagefright/mpeg2ts/ESQueue.h b/media/libstagefright/mpeg2ts/ESQueue.h index 5425367..e9f96b7 100644 --- a/media/libstagefright/mpeg2ts/ESQueue.h +++ b/media/libstagefright/mpeg2ts/ESQueue.h @@ -37,6 +37,7 @@ struct ElementaryStreamQueue { MPEG_VIDEO, MPEG4_VIDEO, PCM_AUDIO, + METADATA, }; enum Flags { @@ -75,6 +76,7 @@ private: sp<ABuffer> dequeueAccessUnitMPEGVideo(); sp<ABuffer> dequeueAccessUnitMPEG4Video(); sp<ABuffer> dequeueAccessUnitPCMAudio(); + sp<ABuffer> dequeueAccessUnitMetadata(); // consume a logical (compressed) access unit of size "size", // returns its timestamp in us (or -1 if no time information). |