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comparison src/linuxplay.c @ 406:b8cc9ab3f761 r21-2-33

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Import from CVS: tag r21-2-33
author cvs
date Mon, 13 Aug 2007 11:17:09 +0200
parents 74fd4e045ea6
children 697ef44129c6
comparison
equal deleted inserted replaced
405:0e08f63c74d2 406:b8cc9ab3f761
56 #ifdef HAVE_CONFIG_H 56 #ifdef HAVE_CONFIG_H
57 #include <config.h> 57 #include <config.h>
58 #endif 58 #endif
59 59
60 #include "miscplay.h" 60 #include "miscplay.h"
61 #include "nativesound.h"
61 62
62 #include <errno.h> 63 #include <errno.h>
63 #include <fcntl.h> 64 #include <fcntl.h>
64 #include SOUNDCARD_H_PATH /* Path computed by configure */ 65 #include SOUNDCARD_H_FILE /* Path computed by configure */
65 #include <stdio.h> 66 #include <stdio.h>
66 #include <stdlib.h> 67 #include <stdlib.h>
67 #include <string.h> 68 #include <string.h>
68 #include <fcntl.h> 69 #include <fcntl.h>
69 #include <sys/file.h> 70 #include <sys/file.h>
275 276
276 return(1); 277 return(1);
277 } 278 }
278 279
279 /* XEmacs requires code both for playback of pre-loaded data and for playback 280 /* XEmacs requires code both for playback of pre-loaded data and for playback
280 from a soundfile; we use one function for both cases */ 281 from a soundfile; we use one function for both cases.
281 static void linux_play_data_or_file(int fd,unsigned char *data, 282
283 Returns 1 on succes. 0 otherwise.
284 */
285 static int linux_play_data_or_file(int fd,unsigned char *data,
282 int length,int volume) 286 int length,int volume)
283 { 287 {
284 size_t (*parsesndfile)(void **dayta,size_t *sz,void **outbuf); 288 size_t (*parsesndfile)(void **dayta,size_t *sz,void **outbuf);
285 size_t (*sndcnv)(void **dayta,size_t *sz,void **); 289 size_t (*sndcnv)(void **dayta,size_t *sz,void **);
286 fmtType ffmt; 290 fmtType ffmt;
290 unsigned char sndbuf[SNDBUFSZ]; 294 unsigned char sndbuf[SNDBUFSZ];
291 295
292 /* We need to read at least the header information before we can start 296 /* We need to read at least the header information before we can start
293 doing anything */ 297 doing anything */
294 if (!data || length < HEADERSZ) { 298 if (!data || length < HEADERSZ) {
295 if (fd < 0) return; 299 if (fd < 0) return 0;
296 else { 300 else {
297 length = read(fd,sndbuf,SNDBUFSZ); 301 length = read(fd,sndbuf,SNDBUFSZ);
298 if (length < HEADERSZ) 302 if (length < HEADERSZ)
299 return; 303 return 0;
300 data = sndbuf; 304 data = sndbuf;
301 length = SNDBUFSZ; } 305 length = SNDBUFSZ; }
302 } 306 }
303 307
304 ffmt = analyze_format(data,&fmt,&speed,&tracks,&parsesndfile); 308 ffmt = analyze_format(data,&fmt,&speed,&tracks,&parsesndfile);
305 309
306 if (ffmt != fmtRaw && ffmt != fmtSunAudio && ffmt != fmtWave) { 310 if (ffmt != fmtRaw && ffmt != fmtSunAudio && ffmt != fmtWave) {
307 warn("Unsupported file format (neither RAW, nor Sun/DECAudio, nor WAVE)"); 311 warn("Unsupported file format (neither RAW, nor Sun/DECAudio, nor WAVE)");
308 return; } 312 return 0; }
309 313
310 /* The VoxWare-SDK discourages opening /dev/audio; opening /dev/dsp and 314 /* The VoxWare-SDK discourages opening /dev/audio; opening /dev/dsp and
311 properly initializing it via ioctl() is preferred */ 315 properly initializing it via ioctl() is preferred */
312 if ((audio_fd=open(audio_dev, O_WRONLY | O_NONBLOCK, 0)) < 0) { 316 if ((audio_fd=open(audio_dev, O_WRONLY | O_NONBLOCK, 0)) < 0) {
313 perror(audio_dev); 317 /* JV. Much too verbose. In addition this can crash. See NOTE: in
318 Fplay_sound
319 perror(audio_dev); */
314 if (mix_fd > 0 && mix_fd != audio_fd) { close(mix_fd); mix_fd = -1; } 320 if (mix_fd > 0 && mix_fd != audio_fd) { close(mix_fd); mix_fd = -1; }
315 return; } 321 return 0; }
316 322
317 /* The VoxWare-SDK discourages direct manipulation of the mixer device as 323 /* The VoxWare-SDK discourages direct manipulation of the mixer device as
318 this could lead to problems, when multiple sound cards are installed */ 324 this could lead to problems, when multiple sound cards are installed */
319 mix_fd = audio_fd; 325 mix_fd = audio_fd;
320 326
354 break; 360 break;
355 } while (rrtn > 0); 361 } while (rrtn > 0);
356 362
357 if (ffmt == fmtWave) 363 if (ffmt == fmtWave)
358 parse_wave_complete(); 364 parse_wave_complete();
359 365
360 366
361 END_OF_PLAY: 367 END_OF_PLAY:
362 /* Now cleanup all used resources */ 368 /* Now cleanup all used resources */
363 369
364 ioctl(audio_fd,SNDCTL_DSP_SYNC,NULL); 370 ioctl(audio_fd,SNDCTL_DSP_SYNC,NULL);
376 mix_fd = -1; } 382 mix_fd = -1; }
377 383
378 close(audio_fd); 384 close(audio_fd);
379 audio_fd = -1; 385 audio_fd = -1;
380 386
381 return; 387 return 1;
382 } 388 }
383 389
384 /* Call "linux_play_data_or_file" with the appropriate parameters for 390 /* Call "linux_play_data_or_file" with the appropriate parameters for
385 playing a soundfile */ 391 playing a soundfile */
386 void play_sound_file (char *sound_file, int volume);
387 void play_sound_file (char *sound_file, int volume) 392 void play_sound_file (char *sound_file, int volume)
388 { 393 {
389 int fd; 394 int fd;
390 395
391 if ((fd=open(sound_file,O_RDONLY,0)) < 0) { 396 if ((fd=open(sound_file,O_RDONLY,0)) < 0) {
396 return; 401 return;
397 } 402 }
398 403
399 /* Call "linux_play_data_or_file" with the appropriate parameters for 404 /* Call "linux_play_data_or_file" with the appropriate parameters for
400 playing pre-loaded data */ 405 playing pre-loaded data */
401 void play_sound_data (unsigned char *data, int length, int volume); 406 int play_sound_data (unsigned char *data, int length, int volume)
402 void play_sound_data (unsigned char *data, int length, int volume)
403 { 407 {
404 linux_play_data_or_file(-1,data,length,volume); 408 return linux_play_data_or_file(-1,data,length,volume);
405 return;
406 } 409 }