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https://github.com/axiomatic-systems/Bento4.git
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86 lines
3.3 KiB
C++
86 lines
3.3 KiB
C++
/*****************************************************************
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| AP4 - Atomix Adapters
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| Copyright 2002-2008 Axiomatic Systems, LLC
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| This file is part of Bento4/AP4 (MP4 Atom Processing Library).
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| Unless you have obtained Bento4 under a difference license,
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| this version of Bento4 is Bento4|GPL.
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| Bento4|GPL is free software; you can redistribute it and/or modify
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| it under the terms of the GNU General Public License as published by
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| the Free Software Foundation; either version 2, or (at your option)
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| any later version.
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| Bento4|GPL is distributed in the hope that it will be useful,
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| but WITHOUT ANY WARRANTY; without even the implied warranty of
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| GNU General Public License for more details.
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| You should have received a copy of the GNU General Public License
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| along with Bento4|GPL; see the file COPYING. If not, write to the
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| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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| 02111-1307, USA.
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****************************************************************/
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/*----------------------------------------------------------------------
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| includes
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+---------------------------------------------------------------------*/
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#include "Atomix.h"
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#include "Ap4ByteStream.h"
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/*----------------------------------------------------------------------
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| ATX_InputStream_To_AP4_ByteStream_Adapter
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+---------------------------------------------------------------------*/
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class ATX_InputStream_To_AP4_ByteStream_Adapter : public AP4_ByteStream {
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public:
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ATX_InputStream_To_AP4_ByteStream_Adapter(ATX_InputStream* stream);
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virtual ~ATX_InputStream_To_AP4_ByteStream_Adapter();
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// AP4_ByteStream methods
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virtual AP4_Result ReadPartial(void* buffer,
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AP4_Size bytes_to_read,
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AP4_Size& bytes_read);
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virtual AP4_Result WritePartial(const void* buffer,
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AP4_Size bytes_to_write,
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AP4_Size& bytes_written);
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virtual AP4_Result Seek(AP4_Position position);
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virtual AP4_Result Tell(AP4_Position& position);
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virtual AP4_Result GetSize(AP4_LargeSize& size);
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// AP4_Referenceable methods
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virtual void AddReference();
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virtual void Release();
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private:
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// methods
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AP4_Result MapResult(ATX_Result result);
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// members
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ATX_InputStream* m_Stream;
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ATX_Cardinal m_ReferenceCount;
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};
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/*----------------------------------------------------------------------
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| AP4_ByteStream_To_ATX_InputStream_Adapter
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+---------------------------------------------------------------------*/
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// it is important to keep this structure a POD (no methods)
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// because the strict compilers will not like use using
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// the offsetof() macro necessary when using ATX_SELF()
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typedef struct {
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/* interfaces */
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ATX_IMPLEMENTS(ATX_InputStream);
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ATX_IMPLEMENTS(ATX_Referenceable);
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/* members */
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ATX_Cardinal reference_count;
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AP4_ByteStream* source;
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} AP4_ByteStream_To_ATX_InputStream_Adapter;
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ATX_Result
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AP4_ByteStream_To_ATX_InputStream_Adapter_Create(AP4_ByteStream* source_stream,
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ATX_InputStream** object);
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