1 // RegisterCodec.h 2 3 #ifndef __REGISTER_CODEC_H 4 #define __REGISTER_CODEC_H 5 6 #include "../Common/MethodId.h" 7 8 #include "../ICoder.h" 9 10 typedef void * (*CreateCodecP)(); 11 12 struct CCodecInfo 13 { 14 CreateCodecP CreateDecoder; 15 CreateCodecP CreateEncoder; 16 CMethodId Id; 17 const char *Name; 18 UInt32 NumStreams; 19 bool IsFilter; 20 }; 21 22 void RegisterCodec(const CCodecInfo *codecInfo) throw(); 23 24 25 #define REGISTER_CODEC_CREATE_2(name, cls, i) static void *name() { return (void *)(i *)(new cls); } 26 #define REGISTER_CODEC_CREATE(name, cls) REGISTER_CODEC_CREATE_2(name, cls, ICompressCoder) 27 28 #define REGISTER_CODEC_NAME(x) CRegisterCodec ## x 29 #define REGISTER_CODEC_VAR static const CCodecInfo g_CodecInfo = 30 31 #define REGISTER_CODEC(x) struct REGISTER_CODEC_NAME(x) { \ 32 REGISTER_CODEC_NAME(x)() { RegisterCodec(&g_CodecInfo); }}; \ 33 static REGISTER_CODEC_NAME(x) g_RegisterCodec; 34 35 36 #define REGISTER_CODECS_NAME(x) CRegisterCodecs ## x 37 #define REGISTER_CODECS_VAR static const CCodecInfo g_CodecsInfo[] = 38 39 #define REGISTER_CODECS(x) struct REGISTER_CODECS_NAME(x) { \ 40 REGISTER_CODECS_NAME(x)() { for (unsigned i = 0; i < ARRAY_SIZE(g_CodecsInfo); i++) \ 41 RegisterCodec(&g_CodecsInfo[i]); }}; \ 42 static REGISTER_CODECS_NAME(x) g_RegisterCodecs; 43 44 45 #define REGISTER_CODEC_2(x, crDec, crEnc, id, name) \ 46 REGISTER_CODEC_VAR \ 47 { crDec, crEnc, id, name, 1, false }; \ 48 REGISTER_CODEC(x) 49 50 51 #ifdef EXTRACT_ONLY 52 #define REGISTER_CODEC_E(x, clsDec, clsEnc, id, name) \ 53 REGISTER_CODEC_CREATE(CreateDec, clsDec) \ 54 REGISTER_CODEC_2(x, CreateDec, NULL, id, name) 55 #else 56 #define REGISTER_CODEC_E(x, clsDec, clsEnc, id, name) \ 57 REGISTER_CODEC_CREATE(CreateDec, clsDec) \ 58 REGISTER_CODEC_CREATE(CreateEnc, clsEnc) \ 59 REGISTER_CODEC_2(x, CreateDec, CreateEnc, id, name) 60 #endif 61 62 63 64 #define REGISTER_FILTER_CREATE(name, cls) REGISTER_CODEC_CREATE_2(name, cls, ICompressFilter) 65 66 #define REGISTER_FILTER_ITEM(crDec, crEnc, id, name) \ 67 { crDec, crEnc, id, name, 1, true } 68 69 #define REGISTER_FILTER(x, crDec, crEnc, id, name) \ 70 REGISTER_CODEC_VAR \ 71 REGISTER_FILTER_ITEM(crDec, crEnc, id, name); \ 72 REGISTER_CODEC(x) 73 74 #ifdef EXTRACT_ONLY 75 #define REGISTER_FILTER_E(x, clsDec, clsEnc, id, name) \ 76 REGISTER_FILTER_CREATE(CreateDec, clsDec) \ 77 REGISTER_FILTER(x, CreateDec, NULL, id, name) 78 #else 79 #define REGISTER_FILTER_E(x, clsDec, clsEnc, id, name) \ 80 REGISTER_FILTER_CREATE(CreateDec, clsDec) \ 81 REGISTER_FILTER_CREATE(CreateEnc, clsEnc) \ 82 REGISTER_FILTER(x, CreateDec, CreateEnc, id, name) 83 #endif 84 85 86 87 struct CHasherInfo 88 { 89 IHasher * (*CreateHasher)(); 90 CMethodId Id; 91 const char *Name; 92 UInt32 DigestSize; 93 }; 94 95 void RegisterHasher(const CHasherInfo *hasher) throw(); 96 97 #define REGISTER_HASHER_NAME(x) CRegHasher_ ## x 98 99 #define REGISTER_HASHER(cls, id, name, size) \ 100 STDMETHODIMP_(UInt32) cls::GetDigestSize() throw() { return size; } \ 101 static IHasher *CreateHasherSpec() { return new cls(); } \ 102 static const CHasherInfo g_HasherInfo = { CreateHasherSpec, id, name, size }; \ 103 struct REGISTER_HASHER_NAME(cls) { REGISTER_HASHER_NAME(cls)() { RegisterHasher(&g_HasherInfo); }}; \ 104 static REGISTER_HASHER_NAME(cls) g_RegisterHasher; 105 106 #endif 107
