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Diffstat (limited to 'media/libstagefright/include/FragmentedMP4Parser.h')
| -rw-r--r-- | media/libstagefright/include/FragmentedMP4Parser.h | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/media/libstagefright/include/FragmentedMP4Parser.h b/media/libstagefright/include/FragmentedMP4Parser.h deleted file mode 100644 index dbe02b8..0000000 --- a/media/libstagefright/include/FragmentedMP4Parser.h +++ /dev/null @@ -1,274 +0,0 @@ -/* - * Copyright (C) 2012 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef PARSER_H_ - -#define PARSER_H_ - -#include <media/stagefright/foundation/AHandler.h> -#include <media/stagefright/DataSource.h> -#include <utils/Vector.h> - -namespace android { - -struct ABuffer; - -struct FragmentedMP4Parser : public AHandler { - struct Source : public RefBase { - Source() {} - - virtual ssize_t readAt(off64_t offset, void *data, size_t size) = 0; - virtual bool isSeekable() = 0; - - protected: - virtual ~Source() {} - - private: - DISALLOW_EVIL_CONSTRUCTORS(Source); - }; - - FragmentedMP4Parser(); - - void start(const char *filename); - void start(const sp<Source> &source); - void start(sp<DataSource> &source); - - sp<AMessage> getFormat(bool audio, bool synchronous = false); - status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit, bool synchronous = false); - status_t seekTo(bool audio, int64_t timeUs); - bool isSeekable() const; - - virtual void onMessageReceived(const sp<AMessage> &msg); - -protected: - virtual ~FragmentedMP4Parser(); - -private: - enum { - kWhatStart, - kWhatProceed, - kWhatReadMore, - kWhatGetFormat, - kWhatDequeueAccessUnit, - kWhatSeekTo, - }; - - struct TrackFragment; - struct DynamicTrackFragment; - struct StaticTrackFragment; - - struct DispatchEntry { - uint32_t mType; - uint32_t mParentType; - status_t (FragmentedMP4Parser::*mHandler)(uint32_t, size_t, uint64_t); - }; - - struct Container { - uint64_t mOffset; - uint64_t mBytesRemaining; - uint32_t mType; - bool mExtendsToEOF; - }; - - struct SampleDescription { - uint32_t mType; - uint16_t mDataRefIndex; - - sp<AMessage> mFormat; - }; - - struct SampleInfo { - off64_t mOffset; - size_t mSize; - uint32_t mPresentationTime; - size_t mSampleDescIndex; - uint32_t mFlags; - }; - - struct MediaDataInfo { - sp<ABuffer> mBuffer; - off64_t mOffset; - }; - - struct SidxEntry { - size_t mSize; - uint32_t mDurationUs; - }; - - struct TrackInfo { - enum Flags { - kTrackEnabled = 0x01, - kTrackInMovie = 0x02, - kTrackInPreview = 0x04, - }; - - uint32_t mTrackID; - uint32_t mFlags; - uint32_t mDuration; // This is the duration in terms of movie timescale! - uint64_t mSidxDuration; // usec, from sidx box, which can use a different timescale - - uint32_t mMediaTimeScale; - - uint32_t mMediaHandlerType; - Vector<SampleDescription> mSampleDescs; - - // from track extends: - uint32_t mDefaultSampleDescriptionIndex; - uint32_t mDefaultSampleDuration; - uint32_t mDefaultSampleSize; - uint32_t mDefaultSampleFlags; - - uint32_t mDecodingTime; - - Vector<SidxEntry> mSidx; - sp<StaticTrackFragment> mStaticFragment; - List<sp<TrackFragment> > mFragments; - }; - - struct TrackFragmentHeaderInfo { - enum Flags { - kBaseDataOffsetPresent = 0x01, - kSampleDescriptionIndexPresent = 0x02, - kDefaultSampleDurationPresent = 0x08, - kDefaultSampleSizePresent = 0x10, - kDefaultSampleFlagsPresent = 0x20, - kDurationIsEmpty = 0x10000, - }; - - uint32_t mTrackID; - uint32_t mFlags; - uint64_t mBaseDataOffset; - uint32_t mSampleDescriptionIndex; - uint32_t mDefaultSampleDuration; - uint32_t mDefaultSampleSize; - uint32_t mDefaultSampleFlags; - - uint64_t mDataOffset; - }; - - static const DispatchEntry kDispatchTable[]; - - sp<Source> mSource; - off_t mBufferPos; - bool mSuspended; - bool mDoneWithMoov; - off_t mFirstMoofOffset; // used as the starting point for offsets calculated from the sidx box - sp<ABuffer> mBuffer; - Vector<Container> mStack; - KeyedVector<uint32_t, TrackInfo> mTracks; // TrackInfo by trackID - Vector<MediaDataInfo> mMediaData; - - uint32_t mCurrentTrackID; - - status_t mFinalResult; - - TrackFragmentHeaderInfo mTrackFragmentHeaderInfo; - - status_t onProceed(); - status_t onDequeueAccessUnit(size_t trackIndex, sp<ABuffer> *accessUnit); - status_t onSeekTo(bool wantAudio, int64_t position); - - void enter(off64_t offset, uint32_t type, uint64_t size); - - uint16_t readU16(size_t offset); - uint32_t readU32(size_t offset); - uint64_t readU64(size_t offset); - void skip(off_t distance); - status_t need(size_t size); - bool fitsContainer(uint64_t size) const; - - status_t parseTrackHeader( - uint32_t type, size_t offset, uint64_t size); - - status_t parseMediaHeader( - uint32_t type, size_t offset, uint64_t size); - - status_t parseMediaHandler( - uint32_t type, size_t offset, uint64_t size); - - status_t parseTrackExtends( - uint32_t type, size_t offset, uint64_t size); - - status_t parseTrackFragmentHeader( - uint32_t type, size_t offset, uint64_t size); - - status_t parseTrackFragmentRun( - uint32_t type, size_t offset, uint64_t size); - - status_t parseVisualSampleEntry( - uint32_t type, size_t offset, uint64_t size); - - status_t parseAudioSampleEntry( - uint32_t type, size_t offset, uint64_t size); - - status_t parseSampleSizes( - uint32_t type, size_t offset, uint64_t size); - - status_t parseCompactSampleSizes( - uint32_t type, size_t offset, uint64_t size); - - status_t parseSampleToChunk( - uint32_t type, size_t offset, uint64_t size); - - status_t parseChunkOffsets( - uint32_t type, size_t offset, uint64_t size); - - status_t parseChunkOffsets64( - uint32_t type, size_t offset, uint64_t size); - - status_t parseAVCCodecSpecificData( - uint32_t type, size_t offset, uint64_t size); - - status_t parseESDSCodecSpecificData( - uint32_t type, size_t offset, uint64_t size); - - status_t parseMediaData( - uint32_t type, size_t offset, uint64_t size); - - status_t parseSegmentIndex( - uint32_t type, size_t offset, uint64_t size); - - TrackInfo *editTrack(uint32_t trackID, bool createIfNecessary = false); - - ssize_t findTrack(bool wantAudio) const; - - status_t makeAccessUnit( - TrackInfo *info, - const SampleInfo &sample, - const MediaDataInfo &mdatInfo, - sp<ABuffer> *accessUnit); - - status_t getSample( - TrackInfo *info, - sp<TrackFragment> *fragment, - SampleInfo *sampleInfo); - - static int CompareSampleLocation( - const SampleInfo &sample, const MediaDataInfo &mdatInfo); - - void resumeIfNecessary(); - - void copyBuffer( - sp<ABuffer> *dst, - size_t offset, uint64_t size) const; - - DISALLOW_EVIL_CONSTRUCTORS(FragmentedMP4Parser); -}; - -} // namespace android - -#endif // PARSER_H_ - |