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Diffstat (limited to 'dom/media/encoder/fmp4_muxer/MP4ESDS.h')
-rw-r--r-- | dom/media/encoder/fmp4_muxer/MP4ESDS.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/dom/media/encoder/fmp4_muxer/MP4ESDS.h b/dom/media/encoder/fmp4_muxer/MP4ESDS.h new file mode 100644 index 000000000..ee91312c1 --- /dev/null +++ b/dom/media/encoder/fmp4_muxer/MP4ESDS.h @@ -0,0 +1,87 @@ +/* -*- 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 MP4ESDS_h_ +#define MP4ESDS_h_ + +#include "nsTArray.h" +#include "MuxerOperation.h" + +namespace mozilla { + +class ISOControl; + +/** + * ESDS tag + */ +#define ESDescrTag 0x03 + +/** + * 14496-1 '8.3.3 ES_Descriptor'. + * It will get DecoderConfigDescriptor and SLConfigDescriptor from + * AAC CSD data. + */ +class ES_Descriptor : public MuxerOperation { +public: + // ISO BMFF members + uint8_t tag; // ESDescrTag + uint8_t length; + uint16_t ES_ID; + std::bitset<1> streamDependenceFlag; + std::bitset<1> URL_Flag; + std::bitset<1> reserved; + std::bitset<5> streamPriority; + + nsTArray<uint8_t> DecodeSpecificInfo; + + // MuxerOperation methods + nsresult Generate(uint32_t* aBoxSize) override; + nsresult Write() override; + nsresult Find(const nsACString& aType, + nsTArray<RefPtr<MuxerOperation>>& aOperations) override; + + // ES_Descriptor methods + ES_Descriptor(ISOControl* aControl); + ~ES_Descriptor(); + +protected: + ISOControl* mControl; +}; + +// 14496-14 5.6 'Sample Description Boxes' +// Box type: 'esds' +class ESDBox : public FullBox { +public: + // ISO BMFF members + RefPtr<ES_Descriptor> es_descriptor; + + // MuxerOperation methods + nsresult Generate(uint32_t* aBoxSize) override; + nsresult Write() override; + + // ESDBox methods + ESDBox(ISOControl* aControl); + ~ESDBox(); +}; + +// 14496-14 5.6 'Sample Description Boxes' +// Box type: 'mp4a' +class MP4AudioSampleEntry : public AudioSampleEntry { +public: + // ISO BMFF members + RefPtr<ESDBox> es; + + // MuxerOperation methods + nsresult Generate(uint32_t* aBoxSize) override; + nsresult Write() override; + + // MP4AudioSampleEntry methods + MP4AudioSampleEntry(ISOControl* aControl); + ~MP4AudioSampleEntry(); +}; + +} + +#endif // MP4ESDS_h_ |