ADPCM_DriverDetails ADPCM_DriverProc ADPCM_drvClose ADPCM_drvOpen ADPCM_FormatDetails ADPCM_Formats ADPCM_FormatSuggest ADPCM_FormatTagDetails ADPCM_GetFormatIndex ADPCM_Reset ADPCM_round ADPCM_StreamClose ADPCM_StreamConvert ADPCM_StreamOpen ADPCM_StreamSize clamp_sample clamp_step_index cvtMM16imaK cvtMMima16K cvtSS16imaK cvtSSima16K generate_nibble IMA_IndexTable IMA_StepTable NUM_ADPCM_FORMATS NUM_PCM_FORMATS PCM_Formats process_nibble R16 W16 WINE_DEFAULT_DEBUG_CHANNEL

static void process_nibble ( unsigned char  code, int *  stepIndex, int *  sample  ) [inline, static] Definition at line 183 of file imaadp32.c. Referenced by cvtMMima16K(), and cvtSSima16K(). { unsigned step; int diff; code &= 0x0F; step = IMA_StepTable[*stepIndex]; diff = step >> 3; if (code & 1) diff += step >> 2; if (code & 2) diff += step >> 1; if (code & 4) diff += step; if (code & 8) *sample -= diff; else *sample += diff; clamp_sample(sample); *stepIndex += IMA_IndexTable[code]; clamp_step_index(stepIndex); }