diff options
Diffstat (limited to 'dom/media/encoder/fmp4_muxer/ISOMediaWriter.h')
-rw-r--r-- | dom/media/encoder/fmp4_muxer/ISOMediaWriter.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/dom/media/encoder/fmp4_muxer/ISOMediaWriter.h b/dom/media/encoder/fmp4_muxer/ISOMediaWriter.h deleted file mode 100644 index cccbbe3cb..000000000 --- a/dom/media/encoder/fmp4_muxer/ISOMediaWriter.h +++ /dev/null @@ -1,108 +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 ISOMediaWriter_h_ -#define ISOMediaWriter_h_ - -#include "ContainerWriter.h" -#include "nsAutoPtr.h" -#include "nsIRunnable.h" - -namespace mozilla { - -class ISOControl; -class FragmentBuffer; - -class ISOMediaWriter : public ContainerWriter -{ -public: - // Generate an fragmented MP4 stream, ISO/IEC 14496-12. - // Brand names in 'ftyp' box are 'isom' and 'mp42'. - const static uint32_t TYPE_FRAG_MP4 = 1 << 0; - - // Generate an fragmented 3GP stream, 3GPP TS 26.244, - // '5.4.3 Basic profile'. - // Brand names in 'ftyp' box are '3gp9' and 'isom'. - const static uint32_t TYPE_FRAG_3GP = 1 << 1; - - // Generate an fragmented 3G2 stream, 3GPP2 C.S0050-B - // Brand names in 'ftyp' box are '3g2c' and 'isom' - const static uint32_t TYPE_FRAG_3G2 = 1 << 2; - - // aType is the combination of CREATE_AUDIO_TRACK and CREATE_VIDEO_TRACK. - // It is a hint to muxer that the output streaming contains audio, video - // or both. - // - // aHint is one of the value in TYPE_XXXXXXXX. It is a hint to muxer what kind - // of ISO format should be generated. - ISOMediaWriter(uint32_t aType, uint32_t aHint = TYPE_FRAG_MP4); - ~ISOMediaWriter(); - - // ContainerWriter methods - nsresult WriteEncodedTrack(const EncodedFrameContainer &aData, - uint32_t aFlags = 0) override; - - nsresult GetContainerData(nsTArray<nsTArray<uint8_t>>* aOutputBufs, - uint32_t aFlags = 0) override; - - nsresult SetMetadata(TrackMetadataBase* aMetadata) override; - -protected: - /** - * The state of each state will generate one or more blob. - * Each blob will be a moov, moof, moof... until receiving EOS. - * The generated sequence is: - * - * moov -> moof -> moof -> ... -> moof -> moof - * - * Following is the details of each state. - * MUXING_HEAD: - * It collects the metadata to generate a moov. The state transits to - * MUXING_HEAD after output moov blob. - * - * MUXING_FRAG: - * It collects enough audio/video data to generate a fragment blob. This - * will be repeated until END_OF_STREAM and then transiting to MUXING_DONE. - * - * MUXING_DONE: - * End of ISOMediaWriter life cycle. - */ - enum MuxState { - MUXING_HEAD, - MUXING_FRAG, - MUXING_DONE, - }; - -private: - nsresult RunState(); - - // True if one of following conditions hold: - // 1. Audio/Video accumulates enough data to generate a moof. - // 2. Get EOS signal. - // aEOS will be assigned to true if it gets EOS signal. - bool ReadyToRunState(bool& aEOS); - - // The main class to generate and iso box. Its life time is same as - // ISOMediaWriter and deleted only if ISOMediaWriter is destroyed. - nsAutoPtr<ISOControl> mControl; - - // Buffers to keep audio/video data frames, they are created when metadata is - // received. Only one instance for each media type is allowed and they will be - // deleted only if ISOMediaWriter is destroyed. - nsAutoPtr<FragmentBuffer> mAudioFragmentBuffer; - nsAutoPtr<FragmentBuffer> mVideoFragmentBuffer; - - MuxState mState; - - // A flag to indicate the output buffer is ready to blob out. - bool mBlobReady; - - // Combination of Audio_Track or Video_Track. - uint32_t mType; -}; - -} // namespace mozilla - -#endif // ISOMediaWriter_h_ |