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// CreateCoder.h
#ifndef __CREATE_CODER_H
#define __CREATE_CODER_H
#include "../../Common/MyCom.h"
#include "../../Common/MyString.h"
#include "../ICoder.h"
#include "MethodId.h"
/*
if EXTERNAL_CODECS is not defined, the code supports only codecs that
are statically linked at compile-time and link-time.
if EXTERNAL_CODECS is defined, the code supports also codecs from another
executable modules, that can be linked dynamically at run-time:
- EXE module can use codecs from external DLL files.
- DLL module can use codecs from external EXE and DLL files.
CExternalCodecs contains information about codecs and interfaces to create them.
The order of codecs:
1) Internal codecs
2) External codecs
*/
#ifdef EXTERNAL_CODECS
struct CCodecInfoEx
{
CMethodId Id;
AString Name;
UInt32 NumStreams;
bool EncoderIsAssigned;
bool DecoderIsAssigned;
CCodecInfoEx(): EncoderIsAssigned(false), DecoderIsAssigned(false) {}
};
struct CHasherInfoEx
{
CMethodId Id;
AString Name;
};
#define PUBLIC_ISetCompressCodecsInfo public ISetCompressCodecsInfo,
#define QUERY_ENTRY_ISetCompressCodecsInfo MY_QUERYINTERFACE_ENTRY(ISetCompressCodecsInfo)
#define DECL_ISetCompressCodecsInfo STDMETHOD(SetCompressCodecsInfo)(ICompressCodecsInfo *compressCodecsInfo);
#define IMPL_ISetCompressCodecsInfo2(x) \
STDMETHODIMP x::SetCompressCodecsInfo(ICompressCodecsInfo *compressCodecsInfo) { \
COM_TRY_BEGIN __externalCodecs.GetCodecs = compressCodecsInfo; return __externalCodecs.Load(); COM_TRY_END }
#define IMPL_ISetCompressCodecsInfo IMPL_ISetCompressCodecsInfo2(CHandler)
struct CExternalCodecs
{
CMyComPtr<ICompressCodecsInfo> GetCodecs;
CMyComPtr<IHashers> GetHashers;
CObjectVector<CCodecInfoEx> Codecs;
CObjectVector<CHasherInfoEx> Hashers;
bool IsSet() const { return GetCodecs != NULL || GetHashers != NULL; }
HRESULT Load();
void ClearAndRelease()
{
Hashers.Clear();
Codecs.Clear();
GetHashers.Release();
GetCodecs.Release();
}
~CExternalCodecs()
{
GetHashers.Release();
GetCodecs.Release();
}
};
extern CExternalCodecs g_ExternalCodecs;
#define EXTERNAL_CODECS_VARS2 (__externalCodecs.IsSet() ? &__externalCodecs : &g_ExternalCodecs)
#define EXTERNAL_CODECS_VARS2_L (&__externalCodecs)
#define EXTERNAL_CODECS_VARS2_G (&g_ExternalCodecs)
#define DECL_EXTERNAL_CODECS_VARS CExternalCodecs __externalCodecs;
#define EXTERNAL_CODECS_VARS EXTERNAL_CODECS_VARS2,
#define EXTERNAL_CODECS_VARS_L EXTERNAL_CODECS_VARS2_L,
#define EXTERNAL_CODECS_VARS_G EXTERNAL_CODECS_VARS2_G,
#define DECL_EXTERNAL_CODECS_LOC_VARS2 const CExternalCodecs *__externalCodecs
#define EXTERNAL_CODECS_LOC_VARS2 __externalCodecs
#define DECL_EXTERNAL_CODECS_LOC_VARS DECL_EXTERNAL_CODECS_LOC_VARS2,
#define EXTERNAL_CODECS_LOC_VARS EXTERNAL_CODECS_LOC_VARS2,
#else
#define PUBLIC_ISetCompressCodecsInfo
#define QUERY_ENTRY_ISetCompressCodecsInfo
#define DECL_ISetCompressCodecsInfo
#define IMPL_ISetCompressCodecsInfo
#define EXTERNAL_CODECS_VARS2
#define DECL_EXTERNAL_CODECS_VARS
#define EXTERNAL_CODECS_VARS
#define EXTERNAL_CODECS_VARS_L
#define EXTERNAL_CODECS_VARS_G
#define DECL_EXTERNAL_CODECS_LOC_VARS2
#define EXTERNAL_CODECS_LOC_VARS2
#define DECL_EXTERNAL_CODECS_LOC_VARS
#define EXTERNAL_CODECS_LOC_VARS
#endif
bool FindMethod(
DECL_EXTERNAL_CODECS_LOC_VARS
const AString &name,
CMethodId &methodId, UInt32 &numStreams);
bool FindMethod(
DECL_EXTERNAL_CODECS_LOC_VARS
CMethodId methodId,
AString &name);
bool FindHashMethod(
DECL_EXTERNAL_CODECS_LOC_VARS
const AString &name,
CMethodId &methodId);
void GetHashMethods(
DECL_EXTERNAL_CODECS_LOC_VARS
CRecordVector<CMethodId> &methods);
struct CCreatedCoder
{
CMyComPtr<ICompressCoder> Coder;
CMyComPtr<ICompressCoder2> Coder2;
bool IsExternal;
bool IsFilter; // = true, if Coder was created from filter
UInt32 NumStreams;
// CCreatedCoder(): IsExternal(false), IsFilter(false), NumStreams(1) {}
};
HRESULT CreateCoder(
DECL_EXTERNAL_CODECS_LOC_VARS
CMethodId methodId, bool encode,
CMyComPtr<ICompressFilter> &filter,
CCreatedCoder &cod);
HRESULT CreateCoder(
DECL_EXTERNAL_CODECS_LOC_VARS
CMethodId methodId, bool encode,
CCreatedCoder &cod);
HRESULT CreateCoder(
DECL_EXTERNAL_CODECS_LOC_VARS
CMethodId methodId, bool encode,
CMyComPtr<ICompressCoder> &coder);
HRESULT CreateFilter(
DECL_EXTERNAL_CODECS_LOC_VARS
CMethodId methodId, bool encode,
CMyComPtr<ICompressFilter> &filter);
HRESULT CreateHasher(
DECL_EXTERNAL_CODECS_LOC_VARS
CMethodId methodId,
AString &name,
CMyComPtr<IHasher> &hasher);
#endif
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