Mercurial > otakunoraifu
annotate music2/wavfile.h @ 71:1fd20d231376
Fix objScale with 2D zoom; implement objWidth and objHeight.
| author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
|---|---|
| date | Fri, 01 Apr 2011 23:49:12 +0200 |
| parents | 4416cfac86ae |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
65
4416cfac86ae
Convert EUC-JP files to UTF8
Thibaut Girka <thib@sitedethib.com>
parents:
52
diff
changeset
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2 * wavfile.h WAV file関連 |
| 0 | 3 * |
| 4 * Copyright: wavfile.c (c) Erik de Castro Lopo erikd@zip.com.au | |
| 5 * | |
| 6 * Modified : 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp> | |
| 7 * 1998- <masaki-c@is.aist-nara.ac.jp> | |
| 8 * | |
| 9 * This program is free software; you can redistribute it and/or modify | |
| 10 * it under the terms of the GNU General Public License as published by | |
| 11 * the Free Software Foundation; either version 2 of the License, or | |
| 12 * (at your option) any later version. | |
| 13 * | |
| 14 * This program is distributed in the hope that it will be useful, | |
| 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 * GNU General Public License for more details. | |
| 18 * | |
| 27 | 19 * You should have received a copy of the GNU General Public License along |
| 20 * with this program; if not, write to the Free Software Foundation, Inc., | |
| 21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 0 | 22 * |
| 23 */ | |
| 24 #ifndef __WAVEFILE__ | |
| 25 #define __WAVEFILE__ | |
| 26 | |
| 27 #define WW_BADOUTPUTFILE 1 | |
| 28 #define WW_BADWRITEHEADER 2 | |
| 29 | |
| 30 #define WR_BADALLOC 3 | |
| 31 #define WR_BADSEEK 4 | |
| 32 #define WR_BADRIFF 5 | |
| 33 #define WR_BADWAVE 6 | |
| 34 #define WR_BADFORMAT 7 | |
| 35 #define WR_BADFORMATSIZE 8 | |
| 36 | |
| 37 #define WR_NOTPCMFORMAT 9 | |
| 38 #define WR_NODATACHUNK 10 | |
| 39 #define WR_BADFORMATDATA 11 | |
| 40 | |
| 41 /* | |
| 42 * These values represent values found in/or destined for a | |
| 43 * WAV file. | |
| 44 */ | |
| 45 typedef struct { | |
| 52 | 46 unsigned int SamplingRate; /* Sampling rate in Hz */ |
| 47 int Channels; /* Mono or Stereo */ | |
| 48 unsigned short DataBits; /* Sample bit size (8/12/16) */ | |
| 0 | 49 } WAVINF; |
| 50 | |
| 51 struct WAVFILE{ | |
| 52 | 52 WAVINF wavinfo; /* WAV file hdr info */ |
| 0 | 53 WAVFILE(void); |
| 54 static int freq; | |
| 55 static int format; | |
| 56 static int channels; | |
| 57 virtual ~WAVFILE() {}; | |
| 58 virtual int Read(char* buf, int blksize, int blklen) = 0; | |
| 59 virtual void Seek(int count) = 0; | |
| 60 static WAVFILE* MakeConverter(WAVFILE* new_reader); | |
| 61 }; | |
| 62 | |
| 63 struct WAVFILE_Converter : WAVFILE { | |
| 64 WAVFILE* original; | |
| 65 struct SDL_AudioCVT* cvt; | |
| 66 int datasize; | |
| 67 char* tmpbuf; | |
| 68 int Read(char* buf, int blksize, int blklen); | |
| 69 void Seek(int count) { original->Seek(count);} | |
| 70 WAVFILE_Converter(WAVFILE* orig, struct SDL_AudioCVT* cvt); | |
| 71 ~WAVFILE_Converter(); | |
| 72 }; | |
| 73 | |
| 74 struct WAVFILE_Stream : WAVFILE{ | |
| 75 char *data; /* real data */ | |
| 76 char *data_orig; | |
| 77 int data_length; | |
| 78 FILE* stream; | |
| 79 int stream_length; | |
| 80 int stream_length_orig; | |
| 81 int stream_top; | |
| 82 int Read(char* buf, int blksize, int blklen); | |
| 83 void Seek(int count); | |
| 84 WAVFILE_Stream(FILE* stream, int length); | |
| 85 ~WAVFILE_Stream(); | |
| 86 }; | |
| 87 | |
| 88 struct NWAFILE : WAVFILE { | |
| 89 int skip_count; | |
| 90 FILE* stream; | |
| 91 struct NWAData* nwa; | |
| 92 char* data; | |
| 93 int block_size; | |
| 94 int data_len; | |
| 95 | |
| 96 NWAFILE(FILE* stream); | |
| 97 ~NWAFILE(); | |
| 98 void Seek(int count); | |
| 99 int Read(char* buf, int blksize, int blklen); | |
| 100 static char* ReadAll(FILE* stream, int& size); | |
| 101 }; | |
| 102 | |
| 103 struct OggFILE : WAVFILE { | |
| 104 struct OggFILE_impl* pimpl; | |
| 105 | |
| 106 OggFILE(FILE* stream, int size); | |
| 107 ~OggFILE(); | |
| 108 void Seek(int count); | |
| 109 int Read(char* buf, int blksize, int blklen); | |
| 110 }; | |
| 111 | |
| 112 struct MP3FILE : WAVFILE { | |
| 113 struct MP3FILE_impl* pimpl; | |
| 114 | |
| 115 MP3FILE(FILE* stream, int size); | |
| 116 ~MP3FILE(); | |
| 117 void Seek(int count); | |
| 118 int Read(char* buf, int blksize, int blklen); | |
| 119 }; | |
| 120 | |
| 121 #endif /* !__WAVEFILE__ */ |