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comparison src/audio/mint/SDL_mintaudio_stfa.c @ 704:c4803992e09c

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Small bugfixes
author Patrice Mandin <patmandin@gmail.com>
date Sat, 30 Aug 2003 20:00:11 +0000
parents 594422ab8f9f
children b8d311d90021
comparison
equal deleted inserted replaced
703:ca809c1b41ca 704:c4803992e09c
204 { 204 {
205 int i; 205 int i;
206 206
207 DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ",spec->format & 0x00ff)); 207 DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ",spec->format & 0x00ff));
208 DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0))); 208 DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
209 DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x8000)!=0))); 209 DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000)!=0)));
210 DEBUG_PRINT(("channels=%d, ", spec->channels)); 210 DEBUG_PRINT(("channels=%d, ", spec->channels));
211 DEBUG_PRINT(("freq=%d\n", spec->freq)); 211 DEBUG_PRINT(("freq=%d\n", spec->freq));
212 212
213 /* Check formats available */ 213 /* Check formats available */
214 MINTAUDIO_nfreq=16; 214 MINTAUDIO_nfreq=16;
221 MINTAUDIO_numfreq=SDL_MintAudio_SearchFrequency(this, 0, spec->freq); 221 MINTAUDIO_numfreq=SDL_MintAudio_SearchFrequency(this, 0, spec->freq);
222 spec->freq=MINTAUDIO_hardfreq[MINTAUDIO_numfreq]; 222 spec->freq=MINTAUDIO_hardfreq[MINTAUDIO_numfreq];
223 223
224 DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ",spec->format & 0x00ff)); 224 DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ",spec->format & 0x00ff));
225 DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0))); 225 DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
226 DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x8000)!=0))); 226 DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000)!=0)));
227 DEBUG_PRINT(("channels=%d, ", spec->channels)); 227 DEBUG_PRINT(("channels=%d, ", spec->channels));
228 DEBUG_PRINT(("freq=%d\n", spec->freq)); 228 DEBUG_PRINT(("freq=%d\n", spec->freq));
229 229
230 return 0; 230 return 0;
231 } 231 }
252 if (spec->channels==2) { 252 if (spec->channels==2) {
253 cookie_stfa->sound_control |= STFA_FORMAT_STEREO; 253 cookie_stfa->sound_control |= STFA_FORMAT_STEREO;
254 } else { 254 } else {
255 cookie_stfa->sound_control |= STFA_FORMAT_MONO; 255 cookie_stfa->sound_control |= STFA_FORMAT_MONO;
256 } 256 }
257 if (spec->format & 0x8000) { 257 if ((spec->format & 0x8000)!=0) {
258 cookie_stfa->sound_control |= STFA_FORMAT_SIGNED; 258 cookie_stfa->sound_control |= STFA_FORMAT_SIGNED;
259 } else { 259 } else {
260 cookie_stfa->sound_control |= STFA_FORMAT_UNSIGNED; 260 cookie_stfa->sound_control |= STFA_FORMAT_UNSIGNED;
261 } 261 }
262 if (spec->format & 0x1000) { 262 if ((spec->format & 0x1000)!=0) {
263 cookie_stfa->sound_control |= STFA_FORMAT_BIGENDIAN;
264 } else {
263 cookie_stfa->sound_control |= STFA_FORMAT_LITENDIAN; 265 cookie_stfa->sound_control |= STFA_FORMAT_LITENDIAN;
264 } else {
265 cookie_stfa->sound_control |= STFA_FORMAT_BIGENDIAN;
266 } 266 }
267 267
268 /* Set buffer */ 268 /* Set buffer */
269 cookie_stfa->sound_start = (unsigned long) buffer; 269 cookie_stfa->sound_start = (unsigned long) buffer;
270 cookie_stfa->sound_end = (unsigned long) (buffer + spec->size); 270 cookie_stfa->sound_end = (unsigned long) (buffer + spec->size);
290 } 290 }
291 291
292 SDL_CalculateAudioSpec(spec); 292 SDL_CalculateAudioSpec(spec);
293 293
294 /* Allocate memory for audio buffers in DMA-able RAM */ 294 /* Allocate memory for audio buffers in DMA-able RAM */
295 spec->size = spec->samples;
296 spec->size *= spec->channels;
297 spec->size *= (spec->format & 0xFF)/8;
298
299 DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", spec->size)); 295 DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", spec->size));
300 296
301 SDL_MintAudio_audiobuf[0] = Atari_SysMalloc(spec->size *2, MX_STRAM); 297 SDL_MintAudio_audiobuf[0] = Atari_SysMalloc(spec->size *2, MX_STRAM);
302 if (SDL_MintAudio_audiobuf[0]==NULL) { 298 if (SDL_MintAudio_audiobuf[0]==NULL) {
303 SDL_SetError("MINT_OpenAudio: Not enough memory for audio buffer"); 299 SDL_SetError("MINT_OpenAudio: Not enough memory for audio buffer");