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107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
// RegisterCodec.h
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#ifndef __REGISTER_CODEC_H
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#define __REGISTER_CODEC_H
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#include "../Common/MethodId.h"
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#include "../ICoder.h"
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typedef void * (*CreateCodecP)();
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struct CCodecInfo
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{
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CreateCodecP CreateDecoder;
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CreateCodecP CreateEncoder;
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CMethodId Id;
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const char *Name;
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UInt32 NumStreams;
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bool IsFilter;
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};
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void RegisterCodec(const CCodecInfo *codecInfo) throw();
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#define REGISTER_CODEC_CREATE_2(name, cls, i) static void *name() { return (void *)(i *)(new cls); }
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#define REGISTER_CODEC_CREATE(name, cls) REGISTER_CODEC_CREATE_2(name, cls, ICompressCoder)
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#define REGISTER_CODEC_NAME(x) CRegisterCodec ## x
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#define REGISTER_CODEC_VAR static const CCodecInfo g_CodecInfo =
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#define REGISTER_CODEC(x) struct REGISTER_CODEC_NAME(x) { \
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REGISTER_CODEC_NAME(x)() { RegisterCodec(&g_CodecInfo); }}; \
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static REGISTER_CODEC_NAME(x) g_RegisterCodec;
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#define REGISTER_CODECS_NAME(x) CRegisterCodecs ## x
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#define REGISTER_CODECS_VAR static const CCodecInfo g_CodecsInfo[] =
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#define REGISTER_CODECS(x) struct REGISTER_CODECS_NAME(x) { \
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REGISTER_CODECS_NAME(x)() { for (unsigned i = 0; i < ARRAY_SIZE(g_CodecsInfo); i++) \
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RegisterCodec(&g_CodecsInfo[i]); }}; \
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static REGISTER_CODECS_NAME(x) g_RegisterCodecs;
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#define REGISTER_CODEC_2(x, crDec, crEnc, id, name) \
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REGISTER_CODEC_VAR \
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{ crDec, crEnc, id, name, 1, false }; \
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REGISTER_CODEC(x)
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#ifdef EXTRACT_ONLY
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#define REGISTER_CODEC_E(x, clsDec, clsEnc, id, name) \
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REGISTER_CODEC_CREATE(CreateDec, clsDec) \
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REGISTER_CODEC_2(x, CreateDec, NULL, id, name)
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#else
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#define REGISTER_CODEC_E(x, clsDec, clsEnc, id, name) \
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REGISTER_CODEC_CREATE(CreateDec, clsDec) \
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REGISTER_CODEC_CREATE(CreateEnc, clsEnc) \
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REGISTER_CODEC_2(x, CreateDec, CreateEnc, id, name)
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#endif
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#define REGISTER_FILTER_CREATE(name, cls) REGISTER_CODEC_CREATE_2(name, cls, ICompressFilter)
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#define REGISTER_FILTER_ITEM(crDec, crEnc, id, name) \
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{ crDec, crEnc, id, name, 1, true }
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#define REGISTER_FILTER(x, crDec, crEnc, id, name) \
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REGISTER_CODEC_VAR \
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REGISTER_FILTER_ITEM(crDec, crEnc, id, name); \
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REGISTER_CODEC(x)
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#ifdef EXTRACT_ONLY
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#define REGISTER_FILTER_E(x, clsDec, clsEnc, id, name) \
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REGISTER_FILTER_CREATE(CreateDec, clsDec) \
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REGISTER_FILTER(x, CreateDec, NULL, id, name)
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#else
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#define REGISTER_FILTER_E(x, clsDec, clsEnc, id, name) \
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REGISTER_FILTER_CREATE(CreateDec, clsDec) \
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REGISTER_FILTER_CREATE(CreateEnc, clsEnc) \
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REGISTER_FILTER(x, CreateDec, CreateEnc, id, name)
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#endif
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struct CHasherInfo
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{
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IHasher * (*CreateHasher)();
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CMethodId Id;
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const char *Name;
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UInt32 DigestSize;
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};
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void RegisterHasher(const CHasherInfo *hasher) throw();
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#define REGISTER_HASHER_NAME(x) CRegHasher_ ## x
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#define REGISTER_HASHER(cls, id, name, size) \
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STDMETHODIMP_(UInt32) cls::GetDigestSize() throw() { return size; } \
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static IHasher *CreateHasherSpec() { return new cls(); } \
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static const CHasherInfo g_HasherInfo = { CreateHasherSpec, id, name, size }; \
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struct REGISTER_HASHER_NAME(cls) { REGISTER_HASHER_NAME(cls)() { RegisterHasher(&g_HasherInfo); }}; \
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static REGISTER_HASHER_NAME(cls) g_RegisterHasher;
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#endif
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