Ap4DecoderConfigDescriptor.h
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上传日期:2015-12-05
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文件大小:4k
源码类别:
多媒体编程
开发平台:
Visual C++
- /*****************************************************************
- |
- | AP4 - DecoderConfig Descriptor
- |
- | Copyright 2002 Gilles Boccon-Gibod
- |
- |
- | 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_DECODER_CONFIG_DESCRIPTOR_H_
- #define _AP4_DECODER_CONFIG_DESCRIPTOR_H_
- /*----------------------------------------------------------------------
- | includes
- +---------------------------------------------------------------------*/
- #include "Ap4.h"
- #include "Ap4ByteStream.h"
- #include "Ap4List.h"
- #include "Ap4Descriptor.h"
- #include "Ap4DecoderSpecificInfoDescriptor.h"
- /*----------------------------------------------------------------------
- | constants
- +---------------------------------------------------------------------*/
- const AP4_Descriptor::Tag AP4_DESCRIPTOR_TAG_DECODER_CONFIG = 0x04;
- /*----------------------------------------------------------------------
- | AP4_DecoderConfigDescriptor
- +---------------------------------------------------------------------*/
- class AP4_DecoderConfigDescriptor : public AP4_Descriptor
- {
- public:
- // methods
- AP4_DecoderConfigDescriptor(AP4_UI08 stream_type,
- AP4_UI08 oti,
- AP4_UI32 buffer_size,
- AP4_UI32 max_bitrate,
- AP4_UI32 avg_bitrate,
- AP4_DecoderSpecificInfoDescriptor* dsi);
- AP4_DecoderConfigDescriptor(AP4_ByteStream& stream,
- AP4_Size header_size,
- AP4_Size payload_size);
- virtual ~AP4_DecoderConfigDescriptor();
- virtual AP4_Result WriteFields(AP4_ByteStream& stream);
- virtual AP4_Result Inspect(AP4_AtomInspector& inspector);
- // accessors
- virtual const AP4_DecoderSpecificInfoDescriptor*
- GetDecoderSpecificInfoDescriptor() const;
- virtual AP4_UI08 GetObjectTypeIndication() const {
- return m_ObjectTypeIndication;
- }
- virtual AP4_UI08 GetStreamType() const { return m_StreamType; }
- virtual AP4_UI32 GetBufferSize() const { return m_BufferSize; }
- virtual AP4_UI32 GetMaxBitrate() const { return m_MaxBitrate; }
- virtual AP4_UI32 GetAvgBitrate() const { return m_AverageBitrate; }
- private:
- // members
- AP4_UI08 m_StreamType;
- AP4_UI08 m_ObjectTypeIndication;
- bool m_UpStream;
- AP4_UI32 m_BufferSize;
- AP4_UI32 m_MaxBitrate;
- AP4_UI32 m_AverageBitrate;
- mutable AP4_List<AP4_Descriptor> m_SubDescriptors;
- };
- #endif // _AP4_DECODER_CONFIG_DESCRIPTOR_H_