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|
/*****************************************************************
|
| AP4 - Atomix Adapters
|
| 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.
|
****************************************************************/
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Atomix.h"
#include "Ap4ByteStream.h"
/*----------------------------------------------------------------------
| ATX_InputStream_To_AP4_ByteStream_Adapter
+---------------------------------------------------------------------*/
class ATX_InputStream_To_AP4_ByteStream_Adapter : public AP4_ByteStream {
public:
ATX_InputStream_To_AP4_ByteStream_Adapter(ATX_InputStream* stream);
virtual ~ATX_InputStream_To_AP4_ByteStream_Adapter();
// AP4_ByteStream methods
virtual AP4_Result ReadPartial(void* buffer,
AP4_Size bytes_to_read,
AP4_Size& bytes_read);
virtual AP4_Result WritePartial(const void* buffer,
AP4_Size bytes_to_write,
AP4_Size& bytes_written);
virtual AP4_Result Seek(AP4_Position position);
virtual AP4_Result Tell(AP4_Position& position);
virtual AP4_Result GetSize(AP4_LargeSize& size);
// AP4_Referenceable methods
virtual void AddReference();
virtual void Release();
private:
// methods
AP4_Result MapResult(ATX_Result result);
// members
ATX_InputStream* m_Stream;
ATX_Cardinal m_ReferenceCount;
};
/*----------------------------------------------------------------------
| AP4_ByteStream_To_ATX_InputStream_Adapter
+---------------------------------------------------------------------*/
// it is important to keep this structure a POD (no methods)
// because the strict compilers will not like use using
// the offsetof() macro necessary when using ATX_SELF()
typedef struct {
/* interfaces */
ATX_IMPLEMENTS(ATX_InputStream);
ATX_IMPLEMENTS(ATX_Referenceable);
/* members */
ATX_Cardinal reference_count;
AP4_ByteStream* source;
} AP4_ByteStream_To_ATX_InputStream_Adapter;
ATX_Result
AP4_ByteStream_To_ATX_InputStream_Adapter_Create(AP4_ByteStream* source_stream,
ATX_InputStream** object);
|
