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00020 #ifndef LIBAUDCORE_AUDIO_H
00021 #define LIBAUDCORE_AUDIO_H
00022
00023
00024 enum {
00025 FMT_FLOAT,
00026 FMT_S8, FMT_U8,
00027 FMT_S16_LE, FMT_S16_BE, FMT_U16_LE, FMT_U16_BE,
00028 FMT_S24_LE, FMT_S24_BE, FMT_U24_LE, FMT_U24_BE,
00029 FMT_S32_LE, FMT_S32_BE, FMT_U32_LE, FMT_U32_BE};
00030
00031 #if 0
00032 #define FMT_S16_NE FMT_S16_BE
00033 #define FMT_U16_NE FMT_U16_BE
00034 #define FMT_S24_NE FMT_S24_BE
00035 #define FMT_U24_NE FMT_U24_BE
00036 #define FMT_S32_NE FMT_S32_BE
00037 #define FMT_U32_NE FMT_U32_BE
00038 #else
00039 #define FMT_S16_NE FMT_S16_LE
00040 #define FMT_U16_NE FMT_U16_LE
00041 #define FMT_S24_NE FMT_S24_LE
00042 #define FMT_U24_NE FMT_U24_LE
00043 #define FMT_S32_NE FMT_S32_LE
00044 #define FMT_U32_NE FMT_U32_LE
00045 #endif
00046
00047 #define FMT_SIZEOF(f) ((f) == FMT_FLOAT ? sizeof (float) : (f) <= FMT_U8 ? 1 : (f) <= FMT_U16_BE ? 2 : 4)
00048
00049 void audio_from_int (const void * in, int format, float * out, int samples);
00050 void audio_to_int (const float * in, void * out, int format, int samples);
00051 void audio_amplify (float * data, int channels, int frames, float * factors);
00052
00053 #endif