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comparison src/audio/dsp/SDL_dspaudio.c @ 2071:579abbb51f80

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Merged r2906:2907 from 1.2 branch to trunk: power of two channels in dsp backend.
author Ryan C. Gordon <icculus@icculus.org>
date Mon, 13 Nov 2006 00:38:13 +0000
parents 866052b01ee5
children 99210400e8b9
comparison
equal deleted inserted replaced
2070:dbfa1ebd73b0 2071:579abbb51f80
164 return 0; 164 return 0;
165 } 165 }
166 devname = ((iscapture) ? inputDevices[0] : outputDevices[0]); 166 devname = ((iscapture) ? inputDevices[0] : outputDevices[0]);
167 } 167 }
168 168
169 /* Make sure fragment size stays a power of 2, or OSS fails. */
170 /* I don't know which of these are actually legal values, though... */
171 if (this->spec.channels > 8)
172 this->spec.channels = 8;
173 else if (this->spec.channels > 4)
174 this->spec.channels = 4;
175 else if (this->spec.channels > 2)
176 this->spec.channels = 2;
177
169 /* Initialize all variables that we clean on shutdown */ 178 /* Initialize all variables that we clean on shutdown */
170 this->hidden = (struct SDL_PrivateAudioData *) 179 this->hidden = (struct SDL_PrivateAudioData *)
171 SDL_malloc((sizeof *this->hidden)); 180 SDL_malloc((sizeof *this->hidden));
172 if (this->hidden == NULL) { 181 if (this->hidden == NULL) {
173 SDL_OutOfMemory(); 182 SDL_OutOfMemory();