MatroskaExtractor.cpp revision 2f46e8152fb881d3a1d7afd223f1ed51f6e358b8
1093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber/* 2093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * Copyright (C) 2010 The Android Open Source Project 3093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * 4093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * you may not use this file except in compliance with the License. 6093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * You may obtain a copy of the License at 7093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * 8093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * 10093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * Unless required by applicable law or agreed to in writing, software 11093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * See the License for the specific language governing permissions and 14093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber * limitations under the License. 15093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber */ 16093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 17093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber//#define LOG_NDEBUG 0 18093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#define LOG_TAG "MatroskaExtractor" 19093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#include <utils/Log.h> 20093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 21093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#include "MatroskaExtractor.h" 22093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 23b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber#include <media/stagefright/foundation/ADebug.h> 24b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber#include <media/stagefright/foundation/hexdump.h> 25093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#include <media/stagefright/DataSource.h> 26093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#include <media/stagefright/MediaBuffer.h> 27093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#include <media/stagefright/MediaDefs.h> 28093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#include <media/stagefright/MediaErrors.h> 29093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#include <media/stagefright/MediaSource.h> 30093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#include <media/stagefright/MetaData.h> 31b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber#include <media/stagefright/Utils.h> 32093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#include <utils/String8.h> 33093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 34b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross#include <inttypes.h> 35b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross 36093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Hubernamespace android { 37093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 38093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huberstruct DataSourceReader : public mkvparser::IMkvReader { 39093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber DataSourceReader(const sp<DataSource> &source) 40093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber : mSource(source) { 41093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 42093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 43093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber virtual int Read(long long position, long length, unsigned char* buffer) { 44093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber CHECK(position >= 0); 45093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber CHECK(length >= 0); 46093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 47093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (length == 0) { 48093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return 0; 49093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 50093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 51093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber ssize_t n = mSource->readAt(position, buffer, length); 52093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 53093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (n <= 0) { 54093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return -1; 55093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 56093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 57093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return 0; 58093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 59093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 60093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber virtual int Length(long long* total, long long* available) { 61c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t size; 62093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (mSource->getSize(&size) != OK) { 63d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber *total = -1; 64d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber *available = (long long)((1ull << 63) - 1); 65d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 66d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber return 0; 67093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 68093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 69093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (total) { 70093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber *total = size; 71093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 72093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 73093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (available) { 74093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber *available = size; 75093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 76093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 77093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return 0; 78093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 79093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 80093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huberprivate: 81093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber sp<DataSource> mSource; 82093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 83093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber DataSourceReader(const DataSourceReader &); 84093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber DataSourceReader &operator=(const DataSourceReader &); 85093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber}; 86093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 87093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber//////////////////////////////////////////////////////////////////////////////// 88093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 895279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huberstruct BlockIterator { 902f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih BlockIterator(MatroskaExtractor *extractor, unsigned long trackNum, unsigned long index); 915279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 925279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber bool eos() const; 935279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 945279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber void advance(); 955279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber void reset(); 965ec58d925520e6913fba3fc54413881af751c610Andreas Huber 975ec58d925520e6913fba3fc54413881af751c610Andreas Huber void seek( 98f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann int64_t seekTimeUs, bool isAudio, 995ec58d925520e6913fba3fc54413881af751c610Andreas Huber int64_t *actualFrameTimeUs); 1005279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 1015279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber const mkvparser::Block *block() const; 1025279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber int64_t blockTimeUs() const; 1035279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 1045279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huberprivate: 105d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber MatroskaExtractor *mExtractor; 106b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross long long mTrackNum; 1072f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih unsigned long mIndex; 1085279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 109d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber const mkvparser::Cluster *mCluster; 1105279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber const mkvparser::BlockEntry *mBlockEntry; 111d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber long mBlockEntryIndex; 112d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 113d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber void advance_l(); 1145279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 1155279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber BlockIterator(const BlockIterator &); 1165279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber BlockIterator &operator=(const BlockIterator &); 1175279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber}; 1185279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 119093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huberstruct MatroskaSource : public MediaSource { 120093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber MatroskaSource( 121093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const sp<MatroskaExtractor> &extractor, size_t index); 122093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 123093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber virtual status_t start(MetaData *params); 124093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber virtual status_t stop(); 125093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 126093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber virtual sp<MetaData> getFormat(); 127093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 128093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber virtual status_t read( 129093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber MediaBuffer **buffer, const ReadOptions *options); 130093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 13150c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huberprotected: 13250c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber virtual ~MatroskaSource(); 13350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 134093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huberprivate: 135093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber enum Type { 136093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber AVC, 137093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber AAC, 138093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber OTHER 139093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber }; 140093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 141093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber sp<MatroskaExtractor> mExtractor; 142093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber size_t mTrackIndex; 143093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber Type mType; 14474a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber bool mIsAudio; 1455279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber BlockIterator mBlockIter; 146b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber size_t mNALSizeLen; // for type AVC 147093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 14850c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber List<MediaBuffer *> mPendingFrames; 14950c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 150093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber status_t advance(); 151093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 15250c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber status_t readBlock(); 15350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber void clearPendingFrames(); 15450c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 155093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber MatroskaSource(const MatroskaSource &); 156093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber MatroskaSource &operator=(const MatroskaSource &); 157093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber}; 158093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 1592f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shihconst mkvparser::Track* MatroskaExtractor::TrackInfo::getTrack() const { 1602f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih return mExtractor->mSegment->GetTracks()->GetTrackByNumber(mTrackNum); 1612f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih} 1622f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih 1632f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih// This function does exactly the same as mkvparser::Cues::Find, except that it 1642f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih// searches in our own track based vectors. We should not need this once mkvparser 1652f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih// adds the same functionality. 1662f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shihconst mkvparser::CuePoint::TrackPosition *MatroskaExtractor::TrackInfo::find( 1672f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih long long timeNs) const { 1682f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih ALOGV("mCuePoints.size %zu", mCuePoints.size()); 1692f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih if (mCuePoints.empty()) { 1702f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih return NULL; 1712f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } 1722f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih 1732f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih const mkvparser::CuePoint* cp = mCuePoints.itemAt(0); 1742f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih const mkvparser::Track* track = getTrack(); 1752f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih if (timeNs <= cp->GetTime(mExtractor->mSegment)) { 1762f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih return cp->Find(track); 1772f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } 1782f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih 1792f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih // Binary searches through relevant cues; assumes cues are ordered by timecode. 1802f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih // If we do detect out-of-order cues, return NULL. 1812f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih size_t lo = 0; 1822f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih size_t hi = mCuePoints.size(); 1832f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih while (lo < hi) { 1842f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih const size_t mid = lo + (hi - lo) / 2; 1852f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih const mkvparser::CuePoint* const midCp = mCuePoints.itemAt(mid); 1862f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih const long long cueTimeNs = midCp->GetTime(mExtractor->mSegment); 1872f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih if (cueTimeNs <= timeNs) { 1882f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih lo = mid + 1; 1892f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } else { 1902f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih hi = mid; 1912f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } 1922f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } 1932f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih 1942f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih if (lo == 0) { 1952f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih return NULL; 1962f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } 1972f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih 1982f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih cp = mCuePoints.itemAt(lo - 1); 1992f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih if (cp->GetTime(mExtractor->mSegment) > timeNs) { 2002f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih return NULL; 2012f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } 2022f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih 2032f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih return cp->Find(track); 2042f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih} 2052f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih 206093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas HuberMatroskaSource::MatroskaSource( 207093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const sp<MatroskaExtractor> &extractor, size_t index) 208093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber : mExtractor(extractor), 209093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mTrackIndex(index), 210093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mType(OTHER), 21174a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber mIsAudio(false), 212d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mBlockIter(mExtractor.get(), 2132f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih mExtractor->mTracks.itemAt(index).mTrackNum, 2142f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih index), 215b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber mNALSizeLen(0) { 216b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber sp<MetaData> meta = mExtractor->mTracks.itemAt(index).mMeta; 217b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber 218093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const char *mime; 219b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber CHECK(meta->findCString(kKeyMIMEType, &mime)); 220093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 22174a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber mIsAudio = !strncasecmp("audio/", mime, 6); 22274a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber 223093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_AVC)) { 224093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mType = AVC; 225b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber 226b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber uint32_t dummy; 227b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber const uint8_t *avcc; 228b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber size_t avccSize; 229b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber CHECK(meta->findData( 230b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber kKeyAVCC, &dummy, (const void **)&avcc, &avccSize)); 231b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber 232b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber CHECK_GE(avccSize, 5u); 233b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber 234b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber mNALSizeLen = 1 + (avcc[4] & 3); 235b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("mNALSizeLen = %zu", mNALSizeLen); 236093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) { 237093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mType = AAC; 238093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 239093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 240093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 24150c8bea8fba2fcafb14696399028bdbc094dc995Andreas HuberMatroskaSource::~MatroskaSource() { 24250c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber clearPendingFrames(); 24350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber} 24450c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 24584333e0475bc911adc16417f4ca327c975cf6c36Andreas Huberstatus_t MatroskaSource::start(MetaData * /* params */) { 2465279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber mBlockIter.reset(); 247093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 248093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return OK; 249093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 250093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 251093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huberstatus_t MatroskaSource::stop() { 25250c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber clearPendingFrames(); 25350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 254093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return OK; 255093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 256093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 257093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Hubersp<MetaData> MatroskaSource::getFormat() { 258093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return mExtractor->mTracks.itemAt(mTrackIndex).mMeta; 259093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 260093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 2615279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber//////////////////////////////////////////////////////////////////////////////// 2625279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 2635279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas HuberBlockIterator::BlockIterator( 2642f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih MatroskaExtractor *extractor, unsigned long trackNum, unsigned long index) 265d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber : mExtractor(extractor), 2665279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber mTrackNum(trackNum), 2672f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih mIndex(index), 2685279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber mCluster(NULL), 269d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mBlockEntry(NULL), 270d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mBlockEntryIndex(0) { 2715279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber reset(); 2725279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber} 2735279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 2745279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huberbool BlockIterator::eos() const { 2755279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber return mCluster == NULL || mCluster->EOS(); 2765279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber} 2775279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 2785279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Hubervoid BlockIterator::advance() { 279d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber Mutex::Autolock autoLock(mExtractor->mLock); 280d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber advance_l(); 281d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber} 282d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 283d42573cace9db2b5948e540c32beaef80f04153cAndreas Hubervoid BlockIterator::advance_l() { 284d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber for (;;) { 285d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber long res = mCluster->GetEntry(mBlockEntryIndex, mBlockEntry); 2863856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("GetEntry returned %ld", res); 287d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 288d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber long long pos; 289d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber long len; 290d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber if (res < 0) { 291d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber // Need to parse this cluster some more 292d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 293d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber CHECK_EQ(res, mkvparser::E_BUFFER_NOT_FULL); 294d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 295d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber res = mCluster->Parse(pos, len); 2963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Parse returned %ld", res); 297d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 298d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber if (res < 0) { 299d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber // I/O error 300d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 30129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Cluster::Parse returned result %ld", res); 3025279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 303d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mCluster = NULL; 3045279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber break; 305093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 3065279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 307d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber continue; 308d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber } else if (res == 0) { 309d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber // We're done with this cluster 310d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 311d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber const mkvparser::Cluster *nextCluster; 312d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber res = mExtractor->mSegment->ParseNext( 313d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mCluster, nextCluster, pos, len); 3143856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("ParseNext returned %ld", res); 315d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 316e467ef084b75b074d0081616080b54212a7024c8Lajos Molnar if (res != 0) { 317e467ef084b75b074d0081616080b54212a7024c8Lajos Molnar // EOF or error 318d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 319d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mCluster = NULL; 320d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber break; 321d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber } 322d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 323d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber CHECK_EQ(res, 0); 324d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber CHECK(nextCluster != NULL); 325d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber CHECK(!nextCluster->EOS()); 326d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 327d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mCluster = nextCluster; 328d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 329d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber res = mCluster->Parse(pos, len); 3303856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Parse (2) returned %ld", res); 331d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber CHECK_GE(res, 0); 332d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 333d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mBlockEntryIndex = 0; 334d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber continue; 335093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 336093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 337d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber CHECK(mBlockEntry != NULL); 338d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber CHECK(mBlockEntry->GetBlock() != NULL); 339d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber ++mBlockEntryIndex; 340d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 341d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber if (mBlockEntry->GetBlock()->GetTrackNumber() == mTrackNum) { 3425279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber break; 343093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 3445279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber } 3455279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber} 3465279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 3475279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Hubervoid BlockIterator::reset() { 348d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber Mutex::Autolock autoLock(mExtractor->mLock); 349093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 350d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mCluster = mExtractor->mSegment->GetFirst(); 3512ba7ce928b0fa8917ee202836b0963ca58613453Andreas Huber mBlockEntry = NULL; 352d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mBlockEntryIndex = 0; 353d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 354d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber do { 355d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber advance_l(); 356d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber } while (!eos() && block()->GetTrackNumber() != mTrackNum); 3575279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber} 358093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 3595ec58d925520e6913fba3fc54413881af751c610Andreas Hubervoid BlockIterator::seek( 360f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann int64_t seekTimeUs, bool isAudio, 3615ec58d925520e6913fba3fc54413881af751c610Andreas Huber int64_t *actualFrameTimeUs) { 362d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber Mutex::Autolock autoLock(mExtractor->mLock); 363d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 3645ec58d925520e6913fba3fc54413881af751c610Andreas Huber *actualFrameTimeUs = -1ll; 3655ec58d925520e6913fba3fc54413881af751c610Andreas Huber 366bf927f8ec7979f2b64331c2b2f12a6a5dba05bcaVignesh Venkatasubramanian const int64_t seekTimeNs = seekTimeUs * 1000ll - mExtractor->mSeekPreRollNs; 36710f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann 36810f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann mkvparser::Segment* const pSegment = mExtractor->mSegment; 36910f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann 37010f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann // Special case the 0 seek to avoid loading Cues when the application 37110f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann // extraneously seeks to 0 before playing. 37210f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann if (seekTimeNs <= 0) { 373b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("Seek to beginning: %" PRId64, seekTimeUs); 37410f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann mCluster = pSegment->GetFirst(); 37510f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann mBlockEntryIndex = 0; 37610f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann do { 37710f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann advance_l(); 37810f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } while (!eos() && block()->GetTrackNumber() != mTrackNum); 37910f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann return; 38010f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } 3815ec58d925520e6913fba3fc54413881af751c610Andreas Huber 382b4a7a2df4c28c3f32b5d877b54831d2cc5d78f81Colin Cross ALOGV("Seeking to: %" PRId64, seekTimeUs); 38310f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann 38410f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann // If the Cues have not been located then find them. 38510f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann const mkvparser::Cues* pCues = pSegment->GetCues(); 38610f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann const mkvparser::SeekHead* pSH = pSegment->GetSeekHead(); 38710f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann if (!pCues && pSH) { 38810f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann const size_t count = pSH->GetCount(); 38910f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann const mkvparser::SeekHead::Entry* pEntry; 39010f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann ALOGV("No Cues yet"); 39110f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann 39210f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann for (size_t index = 0; index < count; index++) { 39310f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann pEntry = pSH->GetEntry(index); 39410f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann 39510f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann if (pEntry->id == 0x0C53BB6B) { // Cues ID 39610f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann long len; long long pos; 39710f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann pSegment->ParseCues(pEntry->pos, pos, len); 39810f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann pCues = pSegment->GetCues(); 399be7ac3d682729048af27871311808a76c618abdbJohann ALOGV("Cues found"); 40010f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann break; 40110f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } 40210f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } 40310f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann 40410f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann if (!pCues) { 40510f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann ALOGE("No Cues in file"); 40610f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann return; 40710f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } 40810f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } 40910f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann else if (!pSH) { 41010f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann ALOGE("No SeekHead"); 41110f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann return; 41210f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } 41310f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann 41410f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann const mkvparser::CuePoint* pCP; 4152f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih mkvparser::Tracks const *pTracks = pSegment->GetTracks(); 4162f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih unsigned long int trackCount = pTracks->GetTracksCount(); 41710f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann while (!pCues->DoneParsing()) { 418be7ac3d682729048af27871311808a76c618abdbJohann pCues->LoadCuePoint(); 41910f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann pCP = pCues->GetLast(); 4202f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih CHECK(pCP); 4212f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih 4222f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih for (size_t index = 0; index < trackCount; ++index) { 4232f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih const mkvparser::Track *pTrack = pTracks->GetTrackByIndex(index); 4242f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih if (pTrack && pTrack->GetType() == 1 && pCP->Find(pTrack)) { // VIDEO_TRACK 4252f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih MatroskaExtractor::TrackInfo& track = mExtractor->mTracks.editItemAt(index); 4262f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih track.mCuePoints.push_back(pCP); 4272f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } 4282f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } 429be7ac3d682729048af27871311808a76c618abdbJohann 43010f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann if (pCP->GetTime(pSegment) >= seekTimeNs) { 431be7ac3d682729048af27871311808a76c618abdbJohann ALOGV("Parsed past relevant Cue"); 43210f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann break; 43310f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } 43410f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } 43510f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann 4362f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih const mkvparser::CuePoint::TrackPosition *pTP = NULL; 4372f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih const mkvparser::Track *thisTrack = pTracks->GetTrackByIndex(mIndex); 4382f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih if (thisTrack->GetType() == 1) { // video 4392f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih MatroskaExtractor::TrackInfo& track = mExtractor->mTracks.editItemAt(mIndex); 4402f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih pTP = track.find(seekTimeNs); 4412f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } else { 4422f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih // The Cue index is built around video keyframes 4432f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih for (size_t index = 0; index < trackCount; ++index) { 4442f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih const mkvparser::Track *pTrack = pTracks->GetTrackByIndex(index); 4452f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih if (pTrack && pTrack->GetType() == 1 && pCues->Find(seekTimeNs, pTrack, pCP, pTP)) { 4462f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih ALOGV("Video track located at %zu", index); 4472f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih break; 4482f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } 44910f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } 45010f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } 45110f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann 4522f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih 453f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann // Always *search* based on the video track, but finalize based on mTrackNum 4542f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih if (!pTP) { 455f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann ALOGE("Did not locate the video track for seeking"); 45610f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann return; 45710f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann } 45810f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann 45910f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann mCluster = pSegment->FindOrPreloadCluster(pTP->m_pos); 4605279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 461f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann CHECK(mCluster); 462f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann CHECK(!mCluster->EOS()); 463f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann 464f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann // mBlockEntryIndex starts at 0 but m_block starts at 1 465f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann CHECK_GT(pTP->m_block, 0); 466f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann mBlockEntryIndex = pTP->m_block - 1; 4675ec58d925520e6913fba3fc54413881af751c610Andreas Huber 4685ec58d925520e6913fba3fc54413881af751c610Andreas Huber for (;;) { 469d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber advance_l(); 4705279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 471f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann if (eos()) break; 4725ec58d925520e6913fba3fc54413881af751c610Andreas Huber 473f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann if (isAudio || block()->IsKey()) { 474f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann // Accept the first key frame 4752f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih int64_t frameTimeUs = (block()->GetTime(mCluster) + 500LL) / 1000LL; 4762f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih if (thisTrack->GetType() == 1 || frameTimeUs >= seekTimeUs) { 4772f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih *actualFrameTimeUs = frameTimeUs; 4782f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih ALOGV("Requested seek point: %" PRId64 " actual: %" PRId64, 4792f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih seekTimeUs, *actualFrameTimeUs); 4802f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih break; 4812f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih } 48274a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber } 4835279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber } 484093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 485093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 4865279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huberconst mkvparser::Block *BlockIterator::block() const { 4875279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber CHECK(!eos()); 4885279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 4895279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber return mBlockEntry->GetBlock(); 4905279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber} 4915279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 4925279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huberint64_t BlockIterator::blockTimeUs() const { 4935279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber return (mBlockEntry->GetBlock()->GetTime(mCluster) + 500ll) / 1000ll; 4945279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber} 4955279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 4965279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber//////////////////////////////////////////////////////////////////////////////// 4975279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 498b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huberstatic unsigned U24_AT(const uint8_t *ptr) { 499b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber return ptr[0] << 16 | ptr[1] << 8 | ptr[2]; 500b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber} 501b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber 50250c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huberstatic size_t clz(uint8_t x) { 50350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber size_t numLeadingZeroes = 0; 504093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 50550c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber while (!(x & 0x80)) { 50650c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber ++numLeadingZeroes; 50750c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber x = x << 1; 508093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 509093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 51050c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber return numLeadingZeroes; 51150c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber} 51250c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 51350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Hubervoid MatroskaSource::clearPendingFrames() { 51450c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber while (!mPendingFrames.empty()) { 51550c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber MediaBuffer *frame = *mPendingFrames.begin(); 51650c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber mPendingFrames.erase(mPendingFrames.begin()); 51750c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 51850c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber frame->release(); 51950c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber frame = NULL; 52050c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber } 52150c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber} 52250c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 52350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huberstatus_t MatroskaSource::readBlock() { 52450c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber CHECK(mPendingFrames.empty()); 52550c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 5265279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber if (mBlockIter.eos()) { 527093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return ERROR_END_OF_STREAM; 528093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 529093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 5305279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber const mkvparser::Block *block = mBlockIter.block(); 53150c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 5325279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber int64_t timeUs = mBlockIter.blockTimeUs(); 533093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 534d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber for (int i = 0; i < block->GetFrameCount(); ++i) { 535d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber const mkvparser::Block::Frame &frame = block->GetFrame(i); 536b10f3669a9b73cd024662c2b70f5155bc0c2cd21Andreas Huber 537d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber MediaBuffer *mbuf = new MediaBuffer(frame.len); 538d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mbuf->meta_data()->setInt64(kKeyTime, timeUs); 539d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mbuf->meta_data()->setInt32(kKeyIsSyncFrame, block->IsKey()); 540093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 541d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber long n = frame.Read(mExtractor->mReader, (unsigned char *)mbuf->data()); 542d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber if (n != 0) { 543d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mPendingFrames.clear(); 54450c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 545d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mBlockIter.advance(); 546d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber return ERROR_IO; 54750c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber } 54850c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 54950c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber mPendingFrames.push_back(mbuf); 55050c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber } 55150c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 552d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mBlockIter.advance(); 55350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 55450c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber return OK; 55550c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber} 55650c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 55750c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huberstatus_t MatroskaSource::read( 55850c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber MediaBuffer **out, const ReadOptions *options) { 55950c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber *out = NULL; 56050c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 5615ec58d925520e6913fba3fc54413881af751c610Andreas Huber int64_t targetSampleTimeUs = -1ll; 5625ec58d925520e6913fba3fc54413881af751c610Andreas Huber 56350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber int64_t seekTimeUs; 56450c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber ReadOptions::SeekMode mode; 565d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber if (options && options->getSeekTo(&seekTimeUs, &mode) 566d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber && !mExtractor->isLiveStreaming()) { 56750c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber clearPendingFrames(); 56874a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber 569f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann // The audio we want is located by using the Cues to seek the video 570f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann // stream to find the target Cluster then iterating to finalize for 571f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann // audio. 5725ec58d925520e6913fba3fc54413881af751c610Andreas Huber int64_t actualFrameTimeUs; 573f02a7f5c42db707d20e59ff28f32d1eaebcc5429Johann mBlockIter.seek(seekTimeUs, mIsAudio, &actualFrameTimeUs); 5745ec58d925520e6913fba3fc54413881af751c610Andreas Huber 5755ec58d925520e6913fba3fc54413881af751c610Andreas Huber if (mode == ReadOptions::SEEK_CLOSEST) { 5765ec58d925520e6913fba3fc54413881af751c610Andreas Huber targetSampleTimeUs = actualFrameTimeUs; 5775ec58d925520e6913fba3fc54413881af751c610Andreas Huber } 57850c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber } 57950c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 58050c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber while (mPendingFrames.empty()) { 58150c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber status_t err = readBlock(); 58250c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 58350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber if (err != OK) { 58450c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber clearPendingFrames(); 58550c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 58650c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber return err; 58750c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber } 58850c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber } 58950c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 59050c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber MediaBuffer *frame = *mPendingFrames.begin(); 59150c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber mPendingFrames.erase(mPendingFrames.begin()); 59250c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 59350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber if (mType != AVC) { 5945ec58d925520e6913fba3fc54413881af751c610Andreas Huber if (targetSampleTimeUs >= 0ll) { 5955ec58d925520e6913fba3fc54413881af751c610Andreas Huber frame->meta_data()->setInt64( 5965ec58d925520e6913fba3fc54413881af751c610Andreas Huber kKeyTargetTime, targetSampleTimeUs); 5975ec58d925520e6913fba3fc54413881af751c610Andreas Huber } 5985ec58d925520e6913fba3fc54413881af751c610Andreas Huber 59950c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber *out = frame; 60050c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 60150c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber return OK; 60250c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber } 60350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 604792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber // Each input frame contains one or more NAL fragments, each fragment 605792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber // is prefixed by mNALSizeLen bytes giving the fragment length, 606792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber // followed by a corresponding number of bytes containing the fragment. 607792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber // We output all these fragments into a single large buffer separated 608792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber // by startcodes (0x00 0x00 0x00 0x01). 609792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber 610792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber const uint8_t *srcPtr = 611792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber (const uint8_t *)frame->data() + frame->range_offset(); 612792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber 613792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber size_t srcSize = frame->range_length(); 614792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber 615792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber size_t dstSize = 0; 616792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber MediaBuffer *buffer = NULL; 617792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber uint8_t *dstPtr = NULL; 618792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber 619792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber for (int32_t pass = 0; pass < 2; ++pass) { 620792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber size_t srcOffset = 0; 621792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber size_t dstOffset = 0; 622792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber while (srcOffset + mNALSizeLen <= srcSize) { 623792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber size_t NALsize; 624792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber switch (mNALSizeLen) { 625792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber case 1: NALsize = srcPtr[srcOffset]; break; 626792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber case 2: NALsize = U16_AT(srcPtr + srcOffset); break; 627792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber case 3: NALsize = U24_AT(srcPtr + srcOffset); break; 628792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber case 4: NALsize = U32_AT(srcPtr + srcOffset); break; 629792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber default: 630792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber TRESPASS(); 631792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber } 63250c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 633792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber if (srcOffset + mNALSizeLen + NALsize > srcSize) { 634792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber break; 635792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber } 63650c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 637792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber if (pass == 1) { 638792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber memcpy(&dstPtr[dstOffset], "\x00\x00\x00\x01", 4); 63950c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 640792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber memcpy(&dstPtr[dstOffset + 4], 641792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber &srcPtr[srcOffset + mNALSizeLen], 642792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber NALsize); 643792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber } 64450c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 645792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber dstOffset += 4; // 0x00 00 00 01 646792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber dstOffset += NALsize; 64750c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 648792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber srcOffset += mNALSizeLen + NALsize; 649792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber } 65050c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 651792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber if (srcOffset < srcSize) { 652792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber // There were trailing bytes or not enough data to complete 653792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber // a fragment. 65450c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 655792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber frame->release(); 656792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber frame = NULL; 65750c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 658792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber return ERROR_MALFORMED; 659792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber } 66050c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 661792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber if (pass == 0) { 662792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber dstSize = dstOffset; 66350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 664792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber buffer = new MediaBuffer(dstSize); 66550c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 666792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber int64_t timeUs; 667792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber CHECK(frame->meta_data()->findInt64(kKeyTime, &timeUs)); 668792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber int32_t isSync; 669792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber CHECK(frame->meta_data()->findInt32(kKeyIsSyncFrame, &isSync)); 67050c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 671792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber buffer->meta_data()->setInt64(kKeyTime, timeUs); 672792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber buffer->meta_data()->setInt32(kKeyIsSyncFrame, isSync); 67350c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 674792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber dstPtr = (uint8_t *)buffer->data(); 675792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber } 67650c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber } 67750c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 678792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber frame->release(); 679792e33fd19e57e0d615d401a54ab567d04f16251Andreas Huber frame = NULL; 68050c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber 6815ec58d925520e6913fba3fc54413881af751c610Andreas Huber if (targetSampleTimeUs >= 0ll) { 6825ec58d925520e6913fba3fc54413881af751c610Andreas Huber buffer->meta_data()->setInt64( 6835ec58d925520e6913fba3fc54413881af751c610Andreas Huber kKeyTargetTime, targetSampleTimeUs); 6845ec58d925520e6913fba3fc54413881af751c610Andreas Huber } 6855ec58d925520e6913fba3fc54413881af751c610Andreas Huber 68650c8bea8fba2fcafb14696399028bdbc094dc995Andreas Huber *out = buffer; 687093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 688093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return OK; 689093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 690093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 691093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber//////////////////////////////////////////////////////////////////////////////// 692093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 693093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas HuberMatroskaExtractor::MatroskaExtractor(const sp<DataSource> &source) 694093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber : mDataSource(source), 695093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mReader(new DataSourceReader(mDataSource)), 6965279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber mSegment(NULL), 6978c32b164d00d3e4d73764d06956331f09693ef43Andreas Huber mExtractedThumbnails(false), 698bf927f8ec7979f2b64331c2b2f12a6a5dba05bcaVignesh Venkatasubramanian mIsWebm(false), 699bf927f8ec7979f2b64331c2b2f12a6a5dba05bcaVignesh Venkatasubramanian mSeekPreRollNs(0) { 700d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber off64_t size; 701d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber mIsLiveStreaming = 702d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber (mDataSource->flags() 703d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber & (DataSource::kWantsPrefetching 704d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber | DataSource::kIsCachingDataSource)) 705d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber && mDataSource->getSize(&size) != OK; 706d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 707093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mkvparser::EBMLHeader ebmlHeader; 708093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber long long pos; 709093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (ebmlHeader.Parse(mReader, pos) < 0) { 710093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return; 711093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 712093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 7138c32b164d00d3e4d73764d06956331f09693ef43Andreas Huber if (ebmlHeader.m_docType && !strcmp("webm", ebmlHeader.m_docType)) { 7148c32b164d00d3e4d73764d06956331f09693ef43Andreas Huber mIsWebm = true; 7158c32b164d00d3e4d73764d06956331f09693ef43Andreas Huber } 7168c32b164d00d3e4d73764d06956331f09693ef43Andreas Huber 717093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber long long ret = 718093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mkvparser::Segment::CreateInstance(mReader, pos, mSegment); 719093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 720093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (ret) { 721093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber CHECK(mSegment == NULL); 722093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return; 723093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 724093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 725c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar // from mkvparser::Segment::Load(), but stop at first cluster 72610f0fe7bcd60bdb0eceb905e84ac11555e8c1b9dJohann ret = mSegment->ParseHeaders(); 727c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar if (ret == 0) { 728c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar long len; 729c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar ret = mSegment->LoadCluster(pos, len); 730c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar if (ret >= 1) { 731c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar // no more clusters 732c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar ret = 0; 733c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar } 734c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar } else if (ret > 0) { 735c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar ret = mkvparser::E_BUFFER_NOT_FULL; 736c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar } 737093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 738093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (ret < 0) { 739c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar ALOGW("Corrupt %s source: %s", mIsWebm ? "webm" : "matroska", 740c51db0a6bfb71ea9c934fb7971cb5ae1f1cf03a0Lajos Molnar uriDebugString(mDataSource->getUri()).c_str()); 741093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber delete mSegment; 742093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mSegment = NULL; 743093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return; 744093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 745093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 74674a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber#if 0 74774a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber const mkvparser::SegmentInfo *info = mSegment->GetInfo(); 748df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block ALOGI("muxing app: %s, writing app: %s", 74974a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber info->GetMuxingAppAsUTF8(), 75074a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber info->GetWritingAppAsUTF8()); 75174a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber#endif 75274a0a0d7f766d63330a00c3fa8f133c44c1d5be6Andreas Huber 753093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber addTracks(); 754093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 755093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 756093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas HuberMatroskaExtractor::~MatroskaExtractor() { 757093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber delete mSegment; 758093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mSegment = NULL; 759093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 760093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber delete mReader; 761093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mReader = NULL; 762093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 763093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 764093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Hubersize_t MatroskaExtractor::countTracks() { 765093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return mTracks.size(); 766093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 767093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 768093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Hubersp<MediaSource> MatroskaExtractor::getTrack(size_t index) { 769093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (index >= mTracks.size()) { 770093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return NULL; 771093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 772093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 773093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return new MatroskaSource(this, index); 774093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 775093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 776093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Hubersp<MetaData> MatroskaExtractor::getTrackMetaData( 777093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber size_t index, uint32_t flags) { 778093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (index >= mTracks.size()) { 779093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return NULL; 780093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 781093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 782d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber if ((flags & kIncludeExtensiveMetaData) && !mExtractedThumbnails 783d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber && !isLiveStreaming()) { 7845279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber findThumbnails(); 7855279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber mExtractedThumbnails = true; 7865279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber } 7875279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 788093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return mTracks.itemAt(index).mMeta; 789093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 790093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 791d42573cace9db2b5948e540c32beaef80f04153cAndreas Huberbool MatroskaExtractor::isLiveStreaming() const { 792d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber return mIsLiveStreaming; 793d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber} 794d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 795403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissenstatic int bytesForSize(size_t size) { 796403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen // use at most 28 bits (4 times 7) 797403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen CHECK(size <= 0xfffffff); 798403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen 799403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen if (size > 0x1fffff) { 800403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen return 4; 801403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen } else if (size > 0x3fff) { 802403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen return 3; 803403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen } else if (size > 0x7f) { 804403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen return 2; 805403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen } 806403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen return 1; 807403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen} 808403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen 809403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissenstatic void storeSize(uint8_t *data, size_t &idx, size_t size) { 810403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen int numBytes = bytesForSize(size); 811403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen idx += numBytes; 812403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen 813403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen data += idx; 814403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen size_t next = 0; 815403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen while (numBytes--) { 816403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen *--data = (size & 0x7f) | next; 817403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen size >>= 7; 818403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen next = 0x80; 819403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen } 820403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen} 821403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen 822132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kangstatic void addESDSFromCodecPrivate( 823132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang const sp<MetaData> &meta, 824132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang bool isAudio, const void *priv, size_t privSize) { 825093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 826403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen int privSizeBytesRequired = bytesForSize(privSize); 827403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen int esdsSize2 = 14 + privSizeBytesRequired + privSize; 828403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen int esdsSize2BytesRequired = bytesForSize(esdsSize2); 829403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen int esdsSize1 = 4 + esdsSize2BytesRequired + esdsSize2; 830403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen int esdsSize1BytesRequired = bytesForSize(esdsSize1); 831403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen size_t esdsSize = 1 + esdsSize1BytesRequired + esdsSize1; 832093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber uint8_t *esds = new uint8_t[esdsSize]; 833403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen 834403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen size_t idx = 0; 835403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen esds[idx++] = 0x03; 836403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen storeSize(esds, idx, esdsSize1); 837403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen esds[idx++] = 0x00; // ES_ID 838403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen esds[idx++] = 0x00; // ES_ID 839403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen esds[idx++] = 0x00; // streamDependenceFlag, URL_Flag, OCRstreamFlag 840403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen esds[idx++] = 0x04; 841403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen storeSize(esds, idx, esdsSize2); 842403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen esds[idx++] = isAudio ? 0x40 // Audio ISO/IEC 14496-3 843403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen : 0x20; // Visual ISO/IEC 14496-2 844403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen for (int i = 0; i < 12; i++) { 845403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen esds[idx++] = 0x00; 846403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen } 847403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen esds[idx++] = 0x05; 848403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen storeSize(esds, idx, privSize); 849403484d6d76ede31fc71c88495b69108a4df8319Marco Nelissen memcpy(esds + idx, priv, privSize); 85082ac8bf2da940c4439786c346f739f4a496864adAndreas Huber 851093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber meta->setData(kKeyESDS, 0, esds, esdsSize); 852093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 853093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber delete[] esds; 854093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber esds = NULL; 855093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 856093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 8575ce181568da90c78ba7fad3e084c8479041545dfAndreas Huberstatus_t addVorbisCodecInfo( 858093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const sp<MetaData> &meta, 859093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const void *_codecPrivate, size_t codecPrivateSize) { 860093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber // hexdump(_codecPrivate, codecPrivateSize); 861093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 8625ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber if (codecPrivateSize < 1) { 8635ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber return ERROR_MALFORMED; 8645ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber } 865093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 866093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const uint8_t *codecPrivate = (const uint8_t *)_codecPrivate; 867093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 8685ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber if (codecPrivate[0] != 0x02) { 8695ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber return ERROR_MALFORMED; 8705ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber } 871093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 8725ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber // codecInfo starts with two lengths, len1 and len2, that are 8735ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber // "Xiph-style-lacing encoded"... 874093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 8755ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber size_t offset = 1; 8765ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber size_t len1 = 0; 8775ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber while (offset < codecPrivateSize && codecPrivate[offset] == 0xff) { 8785ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber len1 += 0xff; 8795ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber ++offset; 8805ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber } 8815ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber if (offset >= codecPrivateSize) { 8825ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber return ERROR_MALFORMED; 8835ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber } 8845ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber len1 += codecPrivate[offset++]; 885093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 8865ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber size_t len2 = 0; 8875ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber while (offset < codecPrivateSize && codecPrivate[offset] == 0xff) { 8885ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber len2 += 0xff; 8895ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber ++offset; 8905ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber } 8915ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber if (offset >= codecPrivateSize) { 8925ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber return ERROR_MALFORMED; 8935ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber } 8945ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber len2 += codecPrivate[offset++]; 8955ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber 8965ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber if (codecPrivateSize < offset + len1 + len2) { 8975ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber return ERROR_MALFORMED; 8985ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber } 8995ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber 9005ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber if (codecPrivate[offset] != 0x01) { 9015ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber return ERROR_MALFORMED; 9025ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber } 9035ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber meta->setData(kKeyVorbisInfo, 0, &codecPrivate[offset], len1); 9045ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber 9055ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber offset += len1; 9065ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber if (codecPrivate[offset] != 0x03) { 9075ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber return ERROR_MALFORMED; 9085ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber } 9095ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber 9105ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber offset += len2; 9115ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber if (codecPrivate[offset] != 0x05) { 9125ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber return ERROR_MALFORMED; 9135ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber } 914093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 915093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber meta->setData( 9165ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber kKeyVorbisBooks, 0, &codecPrivate[offset], 9175ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber codecPrivateSize - offset); 9185ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber 9195ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber return OK; 920093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 921093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 922093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Hubervoid MatroskaExtractor::addTracks() { 923093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const mkvparser::Tracks *tracks = mSegment->GetTracks(); 924093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 925093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber for (size_t index = 0; index < tracks->GetTracksCount(); ++index) { 926093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const mkvparser::Track *track = tracks->GetTrackByIndex(index); 927093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 92830ae68bccd8de6f0ab2acd22a6d661ace514343eAndreas Huber if (track == NULL) { 92930ae68bccd8de6f0ab2acd22a6d661ace514343eAndreas Huber // Apparently this is currently valid (if unexpected) behaviour 93030ae68bccd8de6f0ab2acd22a6d661ace514343eAndreas Huber // of the mkv parser lib. 93130ae68bccd8de6f0ab2acd22a6d661ace514343eAndreas Huber continue; 93230ae68bccd8de6f0ab2acd22a6d661ace514343eAndreas Huber } 93330ae68bccd8de6f0ab2acd22a6d661ace514343eAndreas Huber 934093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const char *const codecID = track->GetCodecId(); 9353856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("codec id = %s", codecID); 9363856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("codec name = %s", track->GetCodecNameAsUTF8()); 937093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 938093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber size_t codecPrivateSize; 939093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const unsigned char *codecPrivate = 940ff1df9951d09f1a1a8ae2dbc42b82b0f9c164e5eAndreas Huber track->GetCodecPrivate(codecPrivateSize); 941093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 942093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber enum { VIDEO_TRACK = 1, AUDIO_TRACK = 2 }; 943093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 944093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber sp<MetaData> meta = new MetaData; 945093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 9465ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber status_t err = OK; 9475ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber 948093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber switch (track->GetType()) { 949093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber case VIDEO_TRACK: 950093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber { 951093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const mkvparser::VideoTrack *vtrack = 952093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber static_cast<const mkvparser::VideoTrack *>(track); 953093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 954093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (!strcmp("V_MPEG4/ISO/AVC", codecID)) { 955093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC); 956093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber meta->setData(kKeyAVCC, 0, codecPrivate, codecPrivateSize); 957132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang } else if (!strcmp("V_MPEG4/ISO/ASP", codecID)) { 958132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang if (codecPrivateSize > 0) { 959132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang meta->setCString( 960132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4); 961132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang addESDSFromCodecPrivate( 962132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang meta, false, codecPrivate, codecPrivateSize); 963132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang } else { 964132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang ALOGW("%s is detected, but does not have configuration.", 965132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang codecID); 966132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang continue; 967132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang } 968093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } else if (!strcmp("V_VP8", codecID)) { 96994705aff3c9eef58cbb72ec6fe5d2dcfd9481646hkuang meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_VP8); 97094705aff3c9eef58cbb72ec6fe5d2dcfd9481646hkuang } else if (!strcmp("V_VP9", codecID)) { 97194705aff3c9eef58cbb72ec6fe5d2dcfd9481646hkuang meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_VP9); 972093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } else { 973132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang ALOGW("%s is not supported.", codecID); 974093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber continue; 975093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 976093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 977093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber meta->setInt32(kKeyWidth, vtrack->GetWidth()); 978093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber meta->setInt32(kKeyHeight, vtrack->GetHeight()); 979093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber break; 980093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 981093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 982093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber case AUDIO_TRACK: 983093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber { 984093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber const mkvparser::AudioTrack *atrack = 985093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber static_cast<const mkvparser::AudioTrack *>(track); 986093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 987093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (!strcmp("A_AAC", codecID)) { 988093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_AAC); 989093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber CHECK(codecPrivateSize >= 2); 990093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 991132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang addESDSFromCodecPrivate( 992132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang meta, true, codecPrivate, codecPrivateSize); 993093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } else if (!strcmp("A_VORBIS", codecID)) { 994093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_VORBIS); 995093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 9965ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber err = addVorbisCodecInfo( 9975ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber meta, codecPrivate, codecPrivateSize); 998bf927f8ec7979f2b64331c2b2f12a6a5dba05bcaVignesh Venkatasubramanian } else if (!strcmp("A_OPUS", codecID)) { 999bf927f8ec7979f2b64331c2b2f12a6a5dba05bcaVignesh Venkatasubramanian meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_OPUS); 1000bf927f8ec7979f2b64331c2b2f12a6a5dba05bcaVignesh Venkatasubramanian meta->setData(kKeyOpusHeader, 0, codecPrivate, codecPrivateSize); 1001bf927f8ec7979f2b64331c2b2f12a6a5dba05bcaVignesh Venkatasubramanian meta->setInt64(kKeyOpusCodecDelay, track->GetCodecDelay()); 1002bf927f8ec7979f2b64331c2b2f12a6a5dba05bcaVignesh Venkatasubramanian meta->setInt64(kKeyOpusSeekPreRoll, track->GetSeekPreRoll()); 1003bf927f8ec7979f2b64331c2b2f12a6a5dba05bcaVignesh Venkatasubramanian mSeekPreRollNs = track->GetSeekPreRoll(); 1004132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang } else if (!strcmp("A_MPEG/L3", codecID)) { 1005132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_MPEG); 1006093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } else { 1007132e88ee86e4f11d1b649c336cd2d6eb5980c3fcDongwon Kang ALOGW("%s is not supported.", codecID); 1008093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber continue; 1009093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 1010093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 1011093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber meta->setInt32(kKeySampleRate, atrack->GetSamplingRate()); 1012093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber meta->setInt32(kKeyChannelCount, atrack->GetChannels()); 1013093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber break; 1014093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 1015093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 1016093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber default: 1017093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber continue; 1018093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 1019093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 10205ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber if (err != OK) { 10215ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber ALOGE("skipping track, codec specific data was malformed."); 10225ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber continue; 10235ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber } 10245ce181568da90c78ba7fad3e084c8479041545dfAndreas Huber 1025093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber long long durationNs = mSegment->GetDuration(); 1026093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber meta->setInt64(kKeyDuration, (durationNs + 500) / 1000); 1027093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 1028093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mTracks.push(); 1029093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber TrackInfo *trackInfo = &mTracks.editItemAt(mTracks.size() - 1); 1030093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber trackInfo->mTrackNum = track->GetNumber(); 1031093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber trackInfo->mMeta = meta; 10322f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih trackInfo->mExtractor = this; 1033093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 1034093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 1035093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 10365279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Hubervoid MatroskaExtractor::findThumbnails() { 10375279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber for (size_t i = 0; i < mTracks.size(); ++i) { 10385279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber TrackInfo *info = &mTracks.editItemAt(i); 10395279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 10405279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber const char *mime; 10415279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber CHECK(info->mMeta->findCString(kKeyMIMEType, &mime)); 10425279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 10435279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber if (strncasecmp(mime, "video/", 6)) { 10445279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber continue; 10455279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber } 10465279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 10472f46e8152fb881d3a1d7afd223f1ed51f6e358b8Robert Shih BlockIterator iter(this, info->mTrackNum, i); 10484719fa8ae1259d6a94ba5b5ecdaa01e69f553996Bernhard Rosenkraenzer int32_t j = 0; 10495279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber int64_t thumbnailTimeUs = 0; 10505279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber size_t maxBlockSize = 0; 10514719fa8ae1259d6a94ba5b5ecdaa01e69f553996Bernhard Rosenkraenzer while (!iter.eos() && j < 20) { 10525279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber if (iter.block()->IsKey()) { 10534719fa8ae1259d6a94ba5b5ecdaa01e69f553996Bernhard Rosenkraenzer ++j; 10545279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 1055d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber size_t blockSize = 0; 1056cba4ed0039c8b8fac01b3193d19fc2364f934506Tareq A. Siraj for (int k = 0; k < iter.block()->GetFrameCount(); ++k) { 1057cba4ed0039c8b8fac01b3193d19fc2364f934506Tareq A. Siraj blockSize += iter.block()->GetFrame(k).len; 1058d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber } 1059d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 10605279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber if (blockSize > maxBlockSize) { 10615279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber maxBlockSize = blockSize; 10625279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber thumbnailTimeUs = iter.blockTimeUs(); 10635279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber } 10645279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber } 10655279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber iter.advance(); 10665279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber } 10675279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber info->mMeta->setInt64(kKeyThumbnailTime, thumbnailTimeUs); 10685279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber } 10695279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber} 10705279d1d8c19e5fdbb177805db0da8e8aadac3079Andreas Huber 1071093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Hubersp<MetaData> MatroskaExtractor::getMetaData() { 1072093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber sp<MetaData> meta = new MetaData; 10738c32b164d00d3e4d73764d06956331f09693ef43Andreas Huber 10748c32b164d00d3e4d73764d06956331f09693ef43Andreas Huber meta->setCString( 10758c32b164d00d3e4d73764d06956331f09693ef43Andreas Huber kKeyMIMEType, 10768c32b164d00d3e4d73764d06956331f09693ef43Andreas Huber mIsWebm ? "video/webm" : MEDIA_MIMETYPE_CONTAINER_MATROSKA); 1077093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 1078093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return meta; 1079093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 1080093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 1081d42573cace9db2b5948e540c32beaef80f04153cAndreas Huberuint32_t MatroskaExtractor::flags() const { 1082d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber uint32_t x = CAN_PAUSE; 1083d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber if (!isLiveStreaming()) { 1084d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber x |= CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_SEEK; 1085d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber } 1086d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 1087d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber return x; 1088d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber} 1089d42573cace9db2b5948e540c32beaef80f04153cAndreas Huber 1090093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huberbool SniffMatroska( 10915a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence, 10925a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber sp<AMessage> *) { 1093093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber DataSourceReader reader(source); 1094093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mkvparser::EBMLHeader ebmlHeader; 1095093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber long long pos; 1096093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber if (ebmlHeader.Parse(&reader, pos) < 0) { 1097093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return false; 1098093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber } 1099093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 1100093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber mimeType->setTo(MEDIA_MIMETYPE_CONTAINER_MATROSKA); 1101093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber *confidence = 0.6; 1102093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 1103093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber return true; 1104093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} 1105093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 1106093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber} // namespace android 1107