1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/encoder/fmp4_muxer/MP4ESDS.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,87 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.7 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef MP4ESDS_h_
1.10 +#define MP4ESDS_h_
1.11 +
1.12 +#include "nsTArray.h"
1.13 +#include "MuxerOperation.h"
1.14 +
1.15 +namespace mozilla {
1.16 +
1.17 +class ISOControl;
1.18 +
1.19 +/**
1.20 + * ESDS tag
1.21 + */
1.22 +#define ESDescrTag 0x03
1.23 +
1.24 +/**
1.25 + * 14496-1 '8.3.3 ES_Descriptor'.
1.26 + * It will get DecoderConfigDescriptor and SLConfigDescriptor from
1.27 + * AAC CSD data.
1.28 + */
1.29 +class ES_Descriptor : public MuxerOperation {
1.30 +public:
1.31 + // ISO BMFF members
1.32 + uint8_t tag; // ESDescrTag
1.33 + uint8_t length;
1.34 + uint16_t ES_ID;
1.35 + std::bitset<1> streamDependenceFlag;
1.36 + std::bitset<1> URL_Flag;
1.37 + std::bitset<1> reserved;
1.38 + std::bitset<5> streamPriority;
1.39 +
1.40 + nsTArray<uint8_t> DecodeSpecificInfo;
1.41 +
1.42 + // MuxerOperation methods
1.43 + nsresult Generate(uint32_t* aBoxSize) MOZ_OVERRIDE;
1.44 + nsresult Write() MOZ_OVERRIDE;
1.45 + nsresult Find(const nsACString& aType,
1.46 + nsTArray<nsRefPtr<MuxerOperation>>& aOperations) MOZ_OVERRIDE;
1.47 +
1.48 + // ES_Descriptor methods
1.49 + ES_Descriptor(ISOControl* aControl);
1.50 + ~ES_Descriptor();
1.51 +
1.52 +protected:
1.53 + ISOControl* mControl;
1.54 +};
1.55 +
1.56 +// 14496-14 5.6 'Sample Description Boxes'
1.57 +// Box type: 'esds'
1.58 +class ESDBox : public FullBox {
1.59 +public:
1.60 + // ISO BMFF members
1.61 + nsRefPtr<ES_Descriptor> es_descriptor;
1.62 +
1.63 + // MuxerOperation methods
1.64 + nsresult Generate(uint32_t* aBoxSize) MOZ_OVERRIDE;
1.65 + nsresult Write() MOZ_OVERRIDE;
1.66 +
1.67 + // ESDBox methods
1.68 + ESDBox(ISOControl* aControl);
1.69 + ~ESDBox();
1.70 +};
1.71 +
1.72 +// 14496-14 5.6 'Sample Description Boxes'
1.73 +// Box type: 'mp4a'
1.74 +class MP4AudioSampleEntry : public AudioSampleEntry {
1.75 +public:
1.76 + // ISO BMFF members
1.77 + nsRefPtr<ESDBox> es;
1.78 +
1.79 + // MuxerOperation methods
1.80 + nsresult Generate(uint32_t* aBoxSize) MOZ_OVERRIDE;
1.81 + nsresult Write() MOZ_OVERRIDE;
1.82 +
1.83 + // MP4AudioSampleEntry methods
1.84 + MP4AudioSampleEntry(ISOControl* aControl);
1.85 + ~MP4AudioSampleEntry();
1.86 +};
1.87 +
1.88 +}
1.89 +
1.90 +#endif // MP4ESDS_h_
