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authorwolfbeast <mcwerewolf@gmail.com>2018-05-13 22:46:04 +0200
committerwolfbeast <mcwerewolf@gmail.com>2018-05-13 22:46:04 +0200
commit1124fb525bf7b8341170d886b8de070e20323efd (patch)
treeed5b0ee5976d7e1411c9ed3ac163b32383ba76e4 /dom/media/encoder/fmp4_muxer/ISOControl.h
parenta6de0846702b2eb21ce2f29ba42bf968fbd4fe2f (diff)
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Remove other gonk widget conditionals and unused files.
Tag #288.
Diffstat (limited to 'dom/media/encoder/fmp4_muxer/ISOControl.h')
-rw-r--r--dom/media/encoder/fmp4_muxer/ISOControl.h250
1 files changed, 0 insertions, 250 deletions
diff --git a/dom/media/encoder/fmp4_muxer/ISOControl.h b/dom/media/encoder/fmp4_muxer/ISOControl.h
deleted file mode 100644
index 3c445caee..000000000
--- a/dom/media/encoder/fmp4_muxer/ISOControl.h
+++ /dev/null
@@ -1,250 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef ISOCOMPOSITOR_H_
-#define ISOCOMPOSITOR_H_
-
-#include "mozilla/EndianUtils.h"
-#include "nsTArray.h"
-#include "ISOTrackMetadata.h"
-#include "EncodedFrameContainer.h"
-
-namespace mozilla {
-
-class Box;
-class ISOControl;
-
-/**
- * This class collects elementary stream data to form a fragment.
- * ISOMediaWriter will check if the data is enough; if yes, the corresponding
- * moof will be created and write to ISOControl.
- * Each audio and video has its own fragment and only one during the whole
- * life cycle, when a fragment is formed in ISOControl, Flush() needs to
- * be called to reset it.
- */
-class FragmentBuffer {
-public:
- // aTrackType: it could be Audio_Track or Video_Track.
- // aFragDuration: it is the fragment duration. (microsecond per unit)
- // Audio and video have the same fragment duration.
- FragmentBuffer(uint32_t aTrackType, uint32_t aFragDuration);
- ~FragmentBuffer();
-
- // Get samples of first fragment, that will swap all the elements in the
- // mFragArray[0] when aFlush = true, and caller is responsible for drop
- // EncodedFrame reference count.
- nsresult GetFirstFragment(nsTArray<RefPtr<EncodedFrame>>& aFragment,
- bool aFlush = false);
-
- // Add sample frame to the last element fragment of mFragArray. If sample
- // number is enough, it will append a new fragment element. And the new
- // sample will be added to the new fragment element of mFragArray.
- nsresult AddFrame(EncodedFrame* aFrame);
-
- // Get total sample size of first complete fragment size.
- uint32_t GetFirstFragmentSampleSize();
-
- // Get sample number of first complete fragment.
- uint32_t GetFirstFragmentSampleNumber();
-
- // Check if it accumulates enough frame data.
- // It returns true when data is enough to form a fragment.
- bool HasEnoughData();
-
- // Called by ISOMediaWriter when TrackEncoder has sent the last frame. The
- // remains frame data will form the last moof and move the state machine to
- // in ISOMediaWriter to last phrase.
- nsresult SetEndOfStream() {
- mEOS = true;
- return NS_OK;
- }
- bool EOS() { return mEOS; }
-
- // CSD (codec specific data), it is generated by encoder and the data depends
- // on codec type. This data will be sent as a special frame from encoder to
- // ISOMediaWriter and pass to this class via AddFrame().
- nsresult GetCSD(nsTArray<uint8_t>& aCSD);
-
- bool HasCSD() { return mCSDFrame; }
-
- uint32_t GetType() { return mTrackType; }
-
- void SetLastFragmentLastFrameTime(uint32_t aTime) {
- mLastFrameTimeOfLastFragment = aTime;
- }
-
- uint32_t GetLastFragmentLastFrameTime() {
- return mLastFrameTimeOfLastFragment;
- }
-
-private:
- uint32_t mTrackType;
-
- // Fragment duration, microsecond per unit.
- uint32_t mFragDuration;
-
- // Media start time, microsecond per unit.
- // Together with mFragDuration, mFragmentNumber and EncodedFrame->GetTimeStamp(),
- // when the difference between current frame time and mMediaStartTime is
- // exceeded current fragment ceiling timeframe, that means current fragment has
- // enough data and a new element in mFragArray will be added.
- uint64_t mMediaStartTime;
-
- // Current fragment number. It will be increase when a new element of
- // mFragArray is created.
- // Note:
- // It only means the fragment number of current accumulated frames, not
- // the current 'creating' fragment mFragNum in ISOControl.
- uint32_t mFragmentNumber;
-
- // The last frame time stamp of last fragment. It is for calculating the
- // play duration of first frame in current fragment. The frame duration is
- // defined as "current frame timestamp - last frame timestamp" here. So it
- // needs to keep the last timestamp of last fragment.
- uint32_t mLastFrameTimeOfLastFragment;
-
- // Array of fragments, each element has enough samples to form a
- // complete fragment.
- nsTArray<nsTArray<RefPtr<EncodedFrame>>> mFragArray;
-
- // Codec specific data frame, it will be generated by encoder and send to
- // ISOMediaWriter through WriteEncodedTrack(). The data will be vary depends
- // on codec type.
- RefPtr<EncodedFrame> mCSDFrame;
-
- // END_OF_STREAM from ContainerWriter
- bool mEOS;
-};
-
-/**
- * ISOControl will be carried to each box when box is created. It is the main
- * bridge for box to output stream to ContainerWriter and retrieve information.
- * ISOControl acts 3 different roles:
- * 1. Holds the pointer of audio metadata, video metadata, fragment and
- * pass them to boxes.
- * 2. Provide the functions to generate the base structure of MP4; they are
- * GenerateFtyp, GenerateMoov, GenerateMoof, and GenerateMfra.
- * 3. The actually writer used by MuxOperation::Write() in each box. It provides
- * writing methods for different kind of data; they are Write, WriteArray,
- * WriteBits...etc.
- */
-class ISOControl {
-
-friend class Box;
-
-public:
- ISOControl(uint32_t aMuxingType);
- ~ISOControl();
-
- nsresult GenerateFtyp();
- nsresult GenerateMoov();
- nsresult GenerateMoof(uint32_t aTrackType);
-
- // Swap elementary stream pointer to output buffers.
- uint32_t WriteAVData(nsTArray<uint8_t>& aArray);
-
- uint32_t Write(uint8_t* aBuf, uint32_t aSize);
-
- uint32_t Write(uint8_t aData);
-
- template <typename T>
- uint32_t Write(T aData) {
- MOZ_ASSERT(!mBitCount);
-
- aData = NativeEndian::swapToNetworkOrder(aData);
- Write((uint8_t*)&aData, sizeof(T));
- return sizeof(T);
- }
-
- template <typename T>
- uint32_t WriteArray(const T &aArray, uint32_t aSize) {
- MOZ_ASSERT(!mBitCount);
-
- uint32_t size = 0;
- for (uint32_t i = 0; i < aSize; i++) {
- size += Write(aArray[i]);
- }
- return size;
- }
-
- uint32_t WriteFourCC(const char* aType);
-
- // Bit writing. Note: it needs to be byte-boundary before using
- // others non-bit writing function.
- uint32_t WriteBits(uint64_t aBits, size_t aNumBits);
-
- // This is called by GetContainerData and swap all the buffers to aOutputBuffers.
- nsresult GetBufs(nsTArray<nsTArray<uint8_t>>* aOutputBufs);
-
- // Presentation time in seconds since midnight, Jan. 1, 1904, in UTC time.
- uint32_t GetTime();
-
- // current fragment number
- uint32_t GetCurFragmentNumber() { return mFragNum; }
-
- nsresult SetFragment(FragmentBuffer* aFragment);
- FragmentBuffer* GetFragment(uint32_t aType);
-
- uint32_t GetMuxingType() { return mMuxingType; }
-
- nsresult SetMetadata(TrackMetadataBase* aTrackMeta);
- nsresult GetAudioMetadata(RefPtr<AudioTrackMetadata>& aAudMeta);
- nsresult GetVideoMetadata(RefPtr<VideoTrackMetadata>& aVidMeta);
-
- // Track ID is the Metadata index in mMetaArray. It allows only 1 audio
- // track and 1 video track in this muxer. In this muxer, it is prohibt to have
- // mutiple audio track or video track in the same file.
- uint32_t GetTrackID(TrackMetadataBase::MetadataKind aKind);
- uint32_t GetNextTrackID();
-
- bool HasAudioTrack();
- bool HasVideoTrack();
-
-private:
- uint32_t GetBufPos();
- nsresult FlushBuf();
-
- // One of value in TYPE_XXX, defined in ISOMediaWriter.
- uint32_t mMuxingType;
-
- // Audio and video fragments are owned by ISOMediaWriter.
- // They don't need to worry about pointer going stale because ISOMediaWriter's
- // lifetime is longer than ISOControl.
- FragmentBuffer* mAudioFragmentBuffer;
- FragmentBuffer* mVideoFragmentBuffer;
-
- // Generated fragment number
- uint32_t mFragNum;
-
- // The (index + 1) will be the track ID.
- nsTArray<RefPtr<TrackMetadataBase>> mMetaArray;
-
- // Array of output buffers.
- // To save memory usage, audio/video sample will be swapped into a new element
- // of this array.
- //
- // For example,
- // mOutBuffers[0] --> boxes (allocated by muxer)
- // mOutBuffers[1] --> video raw data (allocated by encoder)
- // mOutBuffers[2] --> video raw data (allocated by encoder)
- // mOutBuffers[3] --> video raw data (allocated by encoder)
- // mOutBuffers[4] --> boxes (allocated by muxer)
- // mOutBuffers[5] --> audio raw data (allocated by encoder)
- // ...etc.
- //
- nsTArray<nsTArray<uint8_t>> mOutBuffers;
-
- // Accumulate output size from Write().
- uint64_t mOutputSize;
-
- // Bit writing operation. Note: the mBitCount should be 0 before any
- // byte-boundary writing method be called (Write(uint32_t), Write(uint16_t)...etc);
- // otherwise, there will be assertion on these functions.
- uint8_t mBitCount;
- uint8_t mBit;
-};
-
-}
-#endif