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