Changeset 855:f2ea73faae80 in roaraudio for roard
- Timestamp:
- 09/28/08 23:14:13 (16 years ago)
- Branch:
- default
- Phase:
- public
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
roard/mixer.c
r854 r855 204 204 205 205 int change_vol_32bit (void * output, void * input, int samples, int channels, struct roar_mixer_settings * set) { 206 return -1; 206 #ifdef ROAR_NATIVE_INT64 207 int32_t * in = input, * out = output; 208 int i; 209 ROAR_NATIVE_INT64 s; 210 211 if ( !(in && out) ) 212 return -1; 213 214 if (set->rpg_mul == set->rpg_div) { 215 for (i = 0; i < samples; i++) { 216 s = in[i]; 217 s *= set->mixer[i % channels]; 218 s /= set->scale; 219 out[i] = s; 220 } 221 } else { 222 for (i = 0; i < samples; i++) { 223 s = in[i]; 224 s *= (set->mixer[i % channels] * set->rpg_mul) / set->rpg_div; 225 s /= set->scale; 226 out[i] = s; 227 } 228 } 229 230 return 0; 231 #else 232 return -1; 233 #endif 207 234 } 208 235
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