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|
/*****************************************************************
|
| AP4 - sample entries
|
| Copyright 2002-2008 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_SAMPLE_ENTRY_H_
#define _AP4_SAMPLE_ENTRY_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4Types.h"
#include "Ap4List.h"
#include "Ap4Atom.h"
#include "Ap4EsdsAtom.h"
#include "Ap4AtomFactory.h"
#include "Ap4ContainerAtom.h"
/*----------------------------------------------------------------------
| class references
+---------------------------------------------------------------------*/
class AP4_SampleDescription;
class AP4_AvccAtom;
class AP4_HvccAtom;
/*----------------------------------------------------------------------
| AP4_SampleEntry
+---------------------------------------------------------------------*/
class AP4_SampleEntry : public AP4_ContainerAtom
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_SampleEntry, AP4_ContainerAtom)
// methods
AP4_SampleEntry(AP4_Atom::Type format);
AP4_SampleEntry(AP4_Atom::Type format,
AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
virtual ~AP4_SampleEntry() {}
AP4_UI16 GetDataReferenceIndex() { return m_DataReferenceIndex; }
virtual AP4_Result Write(AP4_ByteStream& stream);
virtual AP4_Result Inspect(AP4_AtomInspector& inspector);
virtual AP4_SampleDescription* ToSampleDescription();
// AP4_Atom methods
virtual AP4_Atom* Clone();
// AP4_AtomParent methods
virtual void OnChildChanged(AP4_Atom* child);
protected:
// constructor
AP4_SampleEntry(AP4_Atom::Type format, AP4_Size size);
// methods
virtual void Read(AP4_ByteStream& stream, AP4_AtomFactory& atom_factory);
virtual AP4_Size GetFieldsSize();
virtual AP4_Result ReadFields(AP4_ByteStream& stream);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
// members
AP4_UI08 m_Reserved1[6]; // = 0
AP4_UI16 m_DataReferenceIndex;
};
/*----------------------------------------------------------------------
| AP4_UnknownSampleEntry
+---------------------------------------------------------------------*/
class AP4_UnknownSampleEntry : public AP4_SampleEntry
{
public:
// constructors
AP4_UnknownSampleEntry(AP4_Atom::Type type, AP4_Size size, AP4_ByteStream& stream);
AP4_UnknownSampleEntry(AP4_Atom::Type type, AP4_DataBuffer& payload);
// AP4_Atom methods
AP4_Atom* Clone();
// AP4_SampleEntry methods
virtual AP4_SampleDescription* ToSampleDescription();
// accessors
const AP4_DataBuffer& GetPayload() { return m_Payload; }
protected:
// methods
virtual AP4_Size GetFieldsSize();
virtual AP4_Result ReadFields(AP4_ByteStream& stream);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
// members
AP4_DataBuffer m_Payload;
};
/*----------------------------------------------------------------------
| AP4_AudioSampleEntry
+---------------------------------------------------------------------*/
class AP4_AudioSampleEntry : public AP4_SampleEntry
{
public:
// methods
AP4_AudioSampleEntry(AP4_Atom::Type format,
AP4_UI32 sample_rate,
AP4_UI16 sample_size,
AP4_UI16 channel_count);
AP4_AudioSampleEntry(AP4_Atom::Type format,
AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
// accessors
AP4_UI32 GetSampleRate();
AP4_UI16 GetSampleSize() { return m_SampleSize; }
AP4_UI16 GetChannelCount();
// methods
AP4_SampleDescription* ToSampleDescription();
protected:
// methods
virtual AP4_Size GetFieldsSize();
virtual AP4_Result ReadFields(AP4_ByteStream& stream);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
// members
AP4_UI16 m_QtVersion; // 0, 1 or 2
AP4_UI16 m_QtRevision; // 0
AP4_UI32 m_QtVendor; // 0
AP4_UI16 m_ChannelCount;
AP4_UI16 m_SampleSize;
AP4_UI16 m_QtCompressionId; // 0 or -2
AP4_UI16 m_QtPacketSize; // always 0
AP4_UI32 m_SampleRate; // 16.16 fixed point
AP4_UI32 m_QtV1SamplesPerPacket;
AP4_UI32 m_QtV1BytesPerPacket;
AP4_UI32 m_QtV1BytesPerFrame;
AP4_UI32 m_QtV1BytesPerSample;
AP4_UI32 m_QtV2StructSize;
double m_QtV2SampleRate64;
AP4_UI32 m_QtV2ChannelCount;
AP4_UI32 m_QtV2Reserved;
AP4_UI32 m_QtV2BitsPerChannel;
AP4_UI32 m_QtV2FormatSpecificFlags;
AP4_UI32 m_QtV2BytesPerAudioPacket;
AP4_UI32 m_QtV2LPCMFramesPerAudioPacket;
AP4_DataBuffer m_QtV2Extension;
};
/*----------------------------------------------------------------------
| AP4_VisualSampleEntry
+---------------------------------------------------------------------*/
class AP4_VisualSampleEntry : public AP4_SampleEntry
{
public:
// methods
AP4_VisualSampleEntry(AP4_Atom::Type format,
AP4_UI16 width,
AP4_UI16 height,
AP4_UI16 depth,
const char* compressor_name);
AP4_VisualSampleEntry(AP4_Atom::Type format,
AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
// accessors
AP4_UI16 GetWidth() { return m_Width; }
AP4_UI16 GetHeight() { return m_Height; }
AP4_UI32 GetHorizResolution(){ return m_HorizResolution; }
AP4_UI32 GetVertResolution() { return m_VertResolution; }
AP4_UI16 GetDepth() { return m_Depth; }
const char* GetCompressorName() { return m_CompressorName.GetChars(); }
// methods
AP4_SampleDescription* ToSampleDescription();
protected:
// methods
virtual AP4_Size GetFieldsSize();
virtual AP4_Result ReadFields(AP4_ByteStream& stream);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
//members
AP4_UI16 m_Predefined1; // = 0
AP4_UI16 m_Reserved2; // = 0
AP4_UI08 m_Predefined2[12]; // = 0
AP4_UI16 m_Width;
AP4_UI16 m_Height;
AP4_UI32 m_HorizResolution; // = 0x00480000 (72 dpi)
AP4_UI32 m_VertResolution; // = 0x00480000 (72 dpi)
AP4_UI32 m_Reserved3; // = 0
AP4_UI16 m_FrameCount; // = 1
AP4_String m_CompressorName;
AP4_UI16 m_Depth; // = 0x0018
AP4_UI16 m_Predefined3; // = 0xFFFF
};
/*----------------------------------------------------------------------
| AP4_MpegSystemSampleEntry
+---------------------------------------------------------------------*/
class AP4_MpegSystemSampleEntry : public AP4_SampleEntry
{
public:
// constructors
AP4_MpegSystemSampleEntry(AP4_UI32 type,
AP4_EsDescriptor* descriptor);
AP4_MpegSystemSampleEntry(AP4_UI32 type,
AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
// methods
AP4_SampleDescription* ToSampleDescription();
};
/*----------------------------------------------------------------------
| AP4_MpegAudioSampleEntry
+---------------------------------------------------------------------*/
class AP4_MpegAudioSampleEntry : public AP4_AudioSampleEntry
{
public:
// constructors
AP4_MpegAudioSampleEntry(AP4_UI32 type,
AP4_UI32 sample_rate,
AP4_UI16 sample_size,
AP4_UI16 channel_count,
AP4_EsDescriptor* descriptor);
AP4_MpegAudioSampleEntry(AP4_UI32 type,
AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
// methods
AP4_SampleDescription* ToSampleDescription();
};
/*----------------------------------------------------------------------
| AP4_MpegVideoSampleEntry
+---------------------------------------------------------------------*/
class AP4_MpegVideoSampleEntry : public AP4_VisualSampleEntry
{
public:
// constructors
AP4_MpegVideoSampleEntry(AP4_UI32 type,
AP4_UI16 width,
AP4_UI16 height,
AP4_UI16 depth,
const char* compressor_name,
AP4_EsDescriptor* descriptor);
AP4_MpegVideoSampleEntry(AP4_UI32 type,
AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
// methods
AP4_SampleDescription* ToSampleDescription();
};
/*----------------------------------------------------------------------
| AP4_Mp4sSampleEntry
+---------------------------------------------------------------------*/
class AP4_Mp4sSampleEntry : public AP4_MpegSystemSampleEntry
{
public:
// constructors
AP4_Mp4sSampleEntry(AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
AP4_Mp4sSampleEntry(AP4_EsDescriptor* descriptor);
// methods
AP4_SampleDescription* ToSampleDescription();
};
/*----------------------------------------------------------------------
| AP4_Mp4aSampleEntry
+---------------------------------------------------------------------*/
class AP4_Mp4aSampleEntry : public AP4_MpegAudioSampleEntry
{
public:
// constructors
AP4_Mp4aSampleEntry(AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
AP4_Mp4aSampleEntry(AP4_UI32 sample_rate,
AP4_UI16 sample_size,
AP4_UI16 channel_count,
AP4_EsDescriptor* descriptor);
};
/*----------------------------------------------------------------------
| AP4_Mp4vSampleEntry
+---------------------------------------------------------------------*/
class AP4_Mp4vSampleEntry : public AP4_MpegVideoSampleEntry
{
public:
// constructors
AP4_Mp4vSampleEntry(AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
AP4_Mp4vSampleEntry(AP4_UI16 width,
AP4_UI16 height,
AP4_UI16 depth,
const char* compressor_name,
AP4_EsDescriptor* descriptor);
};
/*----------------------------------------------------------------------
| AP4_AvcSampleEntry
+---------------------------------------------------------------------*/
class AP4_AvcSampleEntry : public AP4_VisualSampleEntry
{
public:
// constructors
AP4_AvcSampleEntry(AP4_UI32 format, // avc1, avc2, avc3, avc4
AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
AP4_AvcSampleEntry(AP4_UI32 format, // avc1, avc2, avc3, avc4
AP4_UI16 width,
AP4_UI16 height,
AP4_UI16 depth,
const char* compressor_name,
const AP4_AvccAtom& avcc);
// inherited from AP4_SampleEntry
virtual AP4_SampleDescription* ToSampleDescription();
};
/*----------------------------------------------------------------------
| AP4_HevcSampleEntry
+---------------------------------------------------------------------*/
class AP4_HevcSampleEntry : public AP4_VisualSampleEntry
{
public:
// constructors
AP4_HevcSampleEntry(AP4_UI32 format, // hvc1, hev1
AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
AP4_HevcSampleEntry(AP4_UI32 format, // hvc1, hev1
AP4_UI16 width,
AP4_UI16 height,
AP4_UI16 depth,
const char* compressor_name,
const AP4_HvccAtom& hvcc);
// inherited from AP4_SampleEntry
virtual AP4_SampleDescription* ToSampleDescription();
};
/*----------------------------------------------------------------------
| AP4_RtpHintSampleEntry
+---------------------------------------------------------------------*/
class AP4_RtpHintSampleEntry : public AP4_SampleEntry
{
public:
// methods
AP4_RtpHintSampleEntry(AP4_UI16 hint_track_version,
AP4_UI16 highest_compatible_version,
AP4_UI32 max_packet_size,
AP4_UI32 timescale);
AP4_RtpHintSampleEntry(AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
protected:
// methods
virtual AP4_Size GetFieldsSize();
virtual AP4_Result ReadFields(AP4_ByteStream& stream);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
// members
AP4_UI16 m_HintTrackVersion;
AP4_UI16 m_HighestCompatibleVersion;
AP4_UI32 m_MaxPacketSize;
};
/*----------------------------------------------------------------------
| AP4_SubtitleSampleEntry
+---------------------------------------------------------------------*/
class AP4_SubtitleSampleEntry : public AP4_SampleEntry
{
public:
// methods
AP4_SubtitleSampleEntry(AP4_Atom::Type format,
const char* namespce,
const char* schema_location,
const char* image_mime_type);
AP4_SubtitleSampleEntry(AP4_Atom::Type format,
AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
// accessors
// methods
AP4_SampleDescription* ToSampleDescription();
protected:
// methods
virtual AP4_Size GetFieldsSize();
virtual AP4_Result ReadFields(AP4_ByteStream& stream);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
// members
AP4_String m_Namespace;
AP4_String m_SchemaLocation;
AP4_String m_ImageMimeType;
};
#endif // _AP4_SAMPLE_ENTRY_H_
|
