ref: 1d09da3a87e43eee7a345f970378c37312a71895
dir: /src/wav.h/
/* wav.h - various structures and defines used by WAV converter. */ #ifndef WAV_H_INCLUDED #define WAV_H_INCLUDED /* purloined from public Microsoft RIFF docs */ #define WAVE_FORMAT_UNKNOWN (0x0000) #define WAVE_FORMAT_PCM (0x0001) #define WAVE_FORMAT_ADPCM (0x0002) #define WAVE_FORMAT_IEEE_FLOAT (0x0003) #define WAVE_FORMAT_ALAW (0x0006) #define WAVE_FORMAT_MULAW (0x0007) #define WAVE_FORMAT_OKI_ADPCM (0x0010) #define WAVE_FORMAT_IMA_ADPCM (0x0011) #define WAVE_FORMAT_DIGISTD (0x0015) #define WAVE_FORMAT_DIGIFIX (0x0016) #define WAVE_FORMAT_DOLBY_AC2 (0x0030) #define WAVE_FORMAT_GSM610 (0x0031) #define WAVE_FORMAT_ROCKWELL_ADPCM (0x003b) #define WAVE_FORMAT_ROCKWELL_DIGITALK (0x003c) #define WAVE_FORMAT_G721_ADPCM (0x0040) #define WAVE_FORMAT_G728_CELP (0x0041) #define WAVE_FORMAT_MPEG (0x0050) #define WAVE_FORMAT_MPEGLAYER3 (0x0055) #define WAVE_FORMAT_G726_ADPCM (0x0064) #define WAVE_FORMAT_G722_ADPCM (0x0065) typedef struct MsState { LONG index; /* Index into step size table */ ULONG bpred; /* Most recent sample value */ LONG sample1; LONG sample2; } MsState_t; typedef struct ImaState { int index; /* Index into step size table */ int previousValue; /* Most recent sample value */ } ImaState_t; #endif /* WAV_H_INCLUDED */