Mercurial > sdl-ios-xcode
comparison src/audio/SDL_wave.h @ 1662:782fd950bd46 SDL-1.3
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
WARNING: None of the video drivers have been updated for the new API yet! The API is still under design and very fluid.
The code is now run through a consistent indent format:
indent -i4 -nut -nsc -br -ce
The headers are being converted to automatically generate doxygen documentation.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 28 May 2006 13:04:16 +0000 |
parents | 14717b52abc0 |
children | 6abc7e6f9817 |
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1661:281d3f4870e5 | 1662:782fd950bd46 |
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24 /* WAVE files are little-endian */ | 24 /* WAVE files are little-endian */ |
25 | 25 |
26 /*******************************************/ | 26 /*******************************************/ |
27 /* Define values for Microsoft WAVE format */ | 27 /* Define values for Microsoft WAVE format */ |
28 /*******************************************/ | 28 /*******************************************/ |
29 #define RIFF 0x46464952 /* "RIFF" */ | 29 #define RIFF 0x46464952 /* "RIFF" */ |
30 #define WAVE 0x45564157 /* "WAVE" */ | 30 #define WAVE 0x45564157 /* "WAVE" */ |
31 #define FACT 0x74636166 /* "fact" */ | 31 #define FACT 0x74636166 /* "fact" */ |
32 #define LIST 0x5453494c /* "LIST" */ | 32 #define LIST 0x5453494c /* "LIST" */ |
33 #define FMT 0x20746D66 /* "fmt " */ | 33 #define FMT 0x20746D66 /* "fmt " */ |
34 #define DATA 0x61746164 /* "data" */ | 34 #define DATA 0x61746164 /* "data" */ |
35 #define PCM_CODE 0x0001 | 35 #define PCM_CODE 0x0001 |
36 #define MS_ADPCM_CODE 0x0002 | 36 #define MS_ADPCM_CODE 0x0002 |
37 #define IMA_ADPCM_CODE 0x0011 | 37 #define IMA_ADPCM_CODE 0x0011 |
38 #define MP3_CODE 0x0055 | 38 #define MP3_CODE 0x0055 |
39 #define WAVE_MONO 1 | 39 #define WAVE_MONO 1 |
40 #define WAVE_STEREO 2 | 40 #define WAVE_STEREO 2 |
41 | 41 |
42 /* Normally, these three chunks come consecutively in a WAVE file */ | 42 /* Normally, these three chunks come consecutively in a WAVE file */ |
43 typedef struct WaveFMT { | 43 typedef struct WaveFMT |
44 { | |
44 /* Not saved in the chunk we read: | 45 /* Not saved in the chunk we read: |
45 Uint32 FMTchunk; | 46 Uint32 FMTchunk; |
46 Uint32 fmtlen; | 47 Uint32 fmtlen; |
47 */ | 48 */ |
48 Uint16 encoding; | 49 Uint16 encoding; |
49 Uint16 channels; /* 1 = mono, 2 = stereo */ | 50 Uint16 channels; /* 1 = mono, 2 = stereo */ |
50 Uint32 frequency; /* One of 11025, 22050, or 44100 Hz */ | 51 Uint32 frequency; /* One of 11025, 22050, or 44100 Hz */ |
51 Uint32 byterate; /* Average bytes per second */ | 52 Uint32 byterate; /* Average bytes per second */ |
52 Uint16 blockalign; /* Bytes per sample block */ | 53 Uint16 blockalign; /* Bytes per sample block */ |
53 Uint16 bitspersample; /* One of 8, 12, 16, or 4 for ADPCM */ | 54 Uint16 bitspersample; /* One of 8, 12, 16, or 4 for ADPCM */ |
54 } WaveFMT; | 55 } WaveFMT; |
55 | 56 |
56 /* The general chunk found in the WAVE file */ | 57 /* The general chunk found in the WAVE file */ |
57 typedef struct Chunk { | 58 typedef struct Chunk |
58 Uint32 magic; | 59 { |
59 Uint32 length; | 60 Uint32 magic; |
60 Uint8 *data; | 61 Uint32 length; |
62 Uint8 *data; | |
61 } Chunk; | 63 } Chunk; |
62 | 64 /* vi: set ts=4 sw=4 expandtab: */ |