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|
/*****************************************************************
|
| AP4 - hvcC Atoms
|
| Copyright 2002-2014 Axiomatic Systems, LLC
|
|
| This file is part of Bento4/AP4 (MP4 Atom Processing Library).
|
| Unless you have obtained Bento4 under a difference license,
| this version of Bento4 is Bento4|GPL.
| Bento4|GPL is free software; you can redistribute it and/or modify
| it under the terms of the GNU General Public License as published by
| the Free Software Foundation; either version 2, or (at your option)
| any later version.
|
| Bento4|GPL is distributed in the hope that it will be useful,
| but WITHOUT ANY WARRANTY; without even the implied warranty of
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
| GNU General Public License for more details.
|
| You should have received a copy of the GNU General Public License
| along with Bento4|GPL; see the file COPYING. If not, write to the
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
| 02111-1307, USA.
|
****************************************************************/
#ifndef _AP4_HVCC_ATOM_H_
#define _AP4_HVCC_ATOM_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4Atom.h"
#include "Ap4Array.h"
/*----------------------------------------------------------------------
| constants
+---------------------------------------------------------------------*/
const AP4_UI08 AP4_HEVC_PROFILE_MAIN = 1;
const AP4_UI08 AP4_HEVC_PROFILE_MAIN_10 = 2;
const AP4_UI08 AP4_HEVC_PROFILE_MAIN_STILL_PICTURE = 3;
const AP4_UI08 AP4_HEVC_PROFILE_REXT = 4;
const AP4_UI08 AP4_HEVC_CHROMA_FORMAT_MONOCHROME = 0;
const AP4_UI08 AP4_HEVC_CHROMA_FORMAT_420 = 1;
const AP4_UI08 AP4_HEVC_CHROMA_FORMAT_422 = 2;
const AP4_UI08 AP4_HEVC_CHROMA_FORMAT_444 = 3;
/*----------------------------------------------------------------------
| AP4_HvccAtom
+---------------------------------------------------------------------*/
class AP4_HvccAtom : public AP4_Atom
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_HvccAtom, AP4_Atom)
// types
class Sequence {
public:
AP4_UI08 m_ArrayCompleteness;
AP4_UI08 m_Reserved;
AP4_UI08 m_NaluType;
AP4_Array<AP4_DataBuffer> m_Nalus;
};
// class methods
static AP4_HvccAtom* Create(AP4_Size size, AP4_ByteStream& stream);
static const char* GetProfileName(AP4_UI08 profile_space, AP4_UI08 profile);
static const char* GetChromaFormatName(AP4_UI08 chroma_format);
// constructors
AP4_HvccAtom();
AP4_HvccAtom(const AP4_HvccAtom& other); // copy construtor
AP4_HvccAtom(AP4_UI08 general_profile_space,
AP4_UI08 general_tier_flag,
AP4_UI08 general_profile,
AP4_UI32 general_profile_compatibility_flags,
AP4_UI64 general_constraint_indicator_flags,
AP4_UI08 general_level,
AP4_UI32 min_spatial_segmentation,
AP4_UI08 parallelism_type,
AP4_UI08 chroma_format,
AP4_UI08 luma_bit_depth,
AP4_UI08 chroma_bit_depth,
AP4_UI16 average_frame_rate,
AP4_UI08 constant_frame_rate,
AP4_UI08 num_temporal_layers,
AP4_UI08 temporal_id_nested,
AP4_UI08 nalu_length_size,
const AP4_Array<AP4_DataBuffer>& video_parameters,
AP4_UI08 video_parameters_completeness,
const AP4_Array<AP4_DataBuffer>& sequence_parameters,
AP4_UI08 sequence_parameters_completeness,
const AP4_Array<AP4_DataBuffer>& picture_parameters,
AP4_UI08 picture_parameters_completeness);
// methods
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
// accessors
AP4_UI08 GetConfigurationVersion() const { return m_ConfigurationVersion; }
AP4_UI08 GetGeneralProfileSpace() const { return m_GeneralProfileSpace; }
AP4_UI08 GetGeneralTierFlag() const { return m_GeneralTierFlag; }
AP4_UI08 GetGeneralProfile() const { return m_GeneralProfile; }
AP4_UI32 GetGeneralProfileCompatibilityFlags() const { return m_GeneralProfileCompatibilityFlags; }
AP4_UI64 GetGeneralConstraintIndicatorFlags() const { return m_GeneralConstraintIndicatorFlags; }
AP4_UI08 GetGeneralLevel() const { return m_GeneralLevel; }
AP4_UI32 GetMinSpatialSegmentation() const { return m_MinSpatialSegmentation; }
AP4_UI08 GetParallelismType() const { return m_ParallelismType; }
AP4_UI08 GetChromaFormat() const { return m_ChromaFormat; }
AP4_UI08 GetLumaBitDepth() const { return m_LumaBitDepth; }
AP4_UI08 GetChromaBitDepth() const { return m_ChromaBitDepth; }
AP4_UI16 GetAverageFrameRate() const { return m_AverageFrameRate; }
AP4_UI08 GetConstantFrameRate() const { return m_ConstantFrameRate; }
AP4_UI08 GetNumTemporalLayers() const { return m_NumTemporalLayers; }
AP4_UI08 GetTemporalIdNested() const { return m_TemporalIdNested; }
AP4_UI08 GetNaluLengthSize() const { return m_NaluLengthSize; }
const AP4_Array<Sequence>& GetSequences() const { return m_Sequences; }
const AP4_DataBuffer& GetRawBytes() const { return m_RawBytes; }
private:
// methods
AP4_HvccAtom(AP4_UI32 size, const AP4_UI08* payload);
void UpdateRawBytes();
// members
AP4_UI08 m_ConfigurationVersion;
AP4_UI08 m_GeneralProfileSpace;
AP4_UI08 m_GeneralTierFlag;
AP4_UI08 m_GeneralProfile;
AP4_UI32 m_GeneralProfileCompatibilityFlags;
AP4_UI64 m_GeneralConstraintIndicatorFlags;
AP4_UI08 m_GeneralLevel;
AP4_UI08 m_Reserved1;
AP4_UI32 m_MinSpatialSegmentation;
AP4_UI08 m_Reserved2;
AP4_UI08 m_ParallelismType;
AP4_UI08 m_Reserved3;
AP4_UI08 m_ChromaFormat;
AP4_UI08 m_Reserved4;
AP4_UI08 m_LumaBitDepth;
AP4_UI08 m_Reserved5;
AP4_UI08 m_ChromaBitDepth;
AP4_UI16 m_AverageFrameRate;
AP4_UI08 m_ConstantFrameRate;
AP4_UI08 m_NumTemporalLayers;
AP4_UI08 m_TemporalIdNested;
AP4_UI08 m_NaluLengthSize;
AP4_Array<Sequence> m_Sequences;
AP4_DataBuffer m_RawBytes;
};
#endif // _AP4_HVCC_ATOM_H_
|
