1 /*---------------------------------------------------------------------------* 2 Project: Horizon 3 File: snd_Bcwav.h 4 5 Copyright (C)2009-2012 Nintendo Co., Ltd. All rights reserved. 6 7 These coded instructions, statements, and computer programs contain 8 proprietary information of Nintendo of America Inc. and/or Nintendo 9 Company Ltd., and are protected by Federal copyright law. They may 10 not be disclosed to third parties or copied or duplicated in any form, 11 in whole or in part, without the prior written consent of Nintendo. 12 13 $Rev: 46347 $ 14 *---------------------------------------------------------------------------*/ 15 16 #ifndef NN_SND_CTR_COMMON_SND_BCWAV_H_ 17 #define NN_SND_CTR_COMMON_SND_BCWAV_H_ 18 19 #include <nn/snd/CTR/Common/snd_Adpcm.h> 20 21 /* Please see man pages for details 22 23 */ 24 25 #ifdef __cplusplus 26 27 namespace nn { namespace snd { namespace CTR { 28 29 /* Please see man pages for details 30 31 */ 32 class Bcwav { 33 private: Bcwav()34 Bcwav() {} ~Bcwav()35 ~Bcwav() {} 36 37 public: 38 // --- Basic types --- 39 struct Reference 40 { 41 u16 typeId; // Non-public to users 42 u16 padding; 43 u32 offset; 44 }; 45 46 struct ReferenceWithSize : public Reference 47 { 48 u32 size; 49 }; 50 51 template< typename ITEM_TYPE > 52 struct Table 53 { 54 u32 count; 55 ITEM_TYPE item[1]; 56 }; 57 58 // --- File data structure --- 59 struct FileHeader 60 { 61 u32 signature; // Always 'CWAV' 62 u16 byteOrderMark; 63 u16 headerSize; 64 u32 version; 65 u32 fileSize; 66 u16 dataBlocks; 67 u16 reserved; 68 }; 69 70 struct BlockInfo 71 { 72 ReferenceWithSize infoBlockReference; 73 ReferenceWithSize dataBlockReference; 74 }; 75 76 struct FileInfo 77 { 78 FileHeader header; 79 BlockInfo blockInfo; 80 }; 81 82 // --- Block data structure --- 83 struct BlockHeader 84 { 85 u32 kind; // 'INFO' or 'DATA' 86 u32 size; 87 }; 88 89 /* Please see man pages for details 90 91 */ 92 struct WaveInfo 93 { 94 u8 encoding; // 95 u8 isLoop; // 96 u16 padding; 97 u32 sampleRate; // 98 u32 loopStartFrame; // 99 u32 loopEndFrame; // 100 }; 101 102 struct InfoBlockBody 103 { 104 WaveInfo waveInfo; 105 u32 reserved; 106 Table<Reference> channelInfoReferenceTable; 107 }; 108 109 struct ChannelInfo 110 { 111 Reference toSamples; // Origin is data block body (after BlockHeader) 112 Reference toAdpcmInfo; 113 u32 reserved; 114 }; 115 116 /* Please see man pages for details 117 118 */ 119 struct DspAdpcmInfo 120 { 121 AdpcmParam param; // 122 AdpcmContext context; // 123 AdpcmContext loopContext; // 124 }; 125 126 /* Please see man pages for details 127 128 129 */ 130 struct ImaAdpcmContext 131 { 132 s16 data; 133 u8 tableIndex; 134 u8 padding; 135 }; 136 137 /* Please see man pages for details 138 139 140 */ 141 struct ImaAdpcmInfo 142 { 143 ImaAdpcmContext context; // 144 ImaAdpcmContext loopContext; // 145 }; 146 147 struct InfoBlock 148 { 149 BlockHeader header; 150 InfoBlockBody body; 151 }; 152 153 /* Please see man pages for details 154 155 */ 156 typedef enum 157 { 158 ENCODING_PCM8 = 0, // 159 ENCODING_PCM16 = 1, // 160 ENCODING_DSP_ADPCM = 2, // 161 ENCODING_IMA_ADPCM = 3, // 162 ENCODING_NUM = 4 163 } Encoding; 164 165 /* Please see man pages for details 166 167 */ 168 typedef enum 169 { 170 CHANNEL_INDEX_L = 0, // 171 CHANNEL_INDEX_R = 1 // 172 } ChannelIndex; 173 174 /* Please see man pages for details 175 176 177 */ 178 /* Please see man pages for details 179 180 181 182 */ 183 static const WaveInfo& GetWaveInfo(const void* bcwav); 184 185 /* Please see man pages for details 186 187 188 189 */ 190 static int GetChannelCount(const void* bcwav); 191 192 /* Please see man pages for details 193 194 195 196 197 */ 198 static const void* GetWave(const void* bcwav, int channelNo); 199 200 /* Please see man pages for details 201 202 203 204 205 */ 206 static const DspAdpcmInfo* GetDspAdpcmInfo(const void* bcwav, int channelNo); 207 208 /* Please see man pages for details 209 210 211 212 213 214 */ 215 static const ImaAdpcmContext* GetImaAdpcmContext(const void* bcwav, int channelNo); 216 217 /* Please see man pages for details 218 219 220 221 222 223 */ 224 static const ImaAdpcmContext* GetImaAdpcmLoopContext(const void* bcwav, int channelNo); 225 226 /* Please see man pages for details 227 228 229 230 231 */ 232 static u32 FrameToByte(u8 encoding, u32 frame); 233 234 /* Please see man pages for details 235 236 237 238 239 */ 240 static const void* AddOffsetToPtr(const void* ptr, int offset); 241 242 /* Please see man pages for details 243 244 245 246 */ 247 static bool IsBcwav(const void* bcwav); 248 249 /* 250 251 */ 252 }; 253 254 }}} // namespace nn::snd::CTR 255 256 #endif // __cplusplus 257 258 typedef enum 259 { 260 NN_SND_BCWAV_ENCODING_PCM8 = 0, // 261 NN_SND_BCWAV_ENCODING_PCM16 = 1, // 262 NN_SND_BCWAV_ENCODING_DSP_ADPCM = 2, // 263 NN_SND_BCWAV_ENCODING_IMA_ADPCM = 3, // 264 NN_SND_BCWAV_ENCODING_NUM = 4 265 } nnsndBcwavEncoding; 266 267 typedef enum 268 { 269 NN_SND_BCWAV_CHANNEL_INDEX_L = 0, // 270 NN_SND_BCWAV_CHANNEL_INDEX_R = 1 // 271 } nnsndBcwavChannelIndex; 272 273 #endif /* NN_SND_CTR_COMMON_SND_BCWAV_H_ */ 274 275