Mercurial > SDL_sound_CoreAudio

comparison decoders/voc.c @ 224:1bafef18dabf

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Implemented rewind method.
author Ryan C. Gordon <icculus@icculus.org>
date Fri, 18 Jan 2002 02:12:03 +0000
parents c9772a9f5271
children ca43129df299
comparison
equal deleted inserted replaced
223:249186e31431 224:1bafef18dabf
89 Uint32 samples; /* number of samples output */ 89 Uint32 samples; /* number of samples output */
90 Uint32 size; /* word length of data */ 90 Uint32 size; /* word length of data */
91 Uint8 channels; /* number of sound channels */ 91 Uint8 channels; /* number of sound channels */
92 int extended; /* Has an extended block been read? */ 92 int extended; /* Has an extended block been read? */
93 Uint32 bufpos; /* byte position in internal->buffer. */ 93 Uint32 bufpos; /* byte position in internal->buffer. */
94 Uint32 start_pos; /* offset to seek to in stream when rewinding. */
94 } vs_t; 95 } vs_t;
95 96
96 /* Size field */ 97 /* Size field */
97 /* SJB: note that the 1st 3 are sometimes used as sizeof(type) */ 98 /* SJB: note that the 1st 3 are sometimes used as sizeof(type) */
98 #define ST_SIZE_BYTE 1 99 #define ST_SIZE_BYTE 1
433 v = (vs_t *) malloc(sizeof (vs_t)); 434 v = (vs_t *) malloc(sizeof (vs_t));
434 BAIL_IF_MACRO(v == NULL, ERR_OUT_OF_MEMORY, 0); 435 BAIL_IF_MACRO(v == NULL, ERR_OUT_OF_MEMORY, 0);
435 memset(v, '\0', sizeof (vs_t)); 436 memset(v, '\0', sizeof (vs_t));
436 internal->decoder_private = v; 437 internal->decoder_private = v;
437 438
439 v->start_pos = SDL_RWtell(internal->rw);
438 v->rate = -1; 440 v->rate = -1;
439 if (!voc_get_block(sample)) 441 if (!voc_get_block(sample))
440 { 442 {
441 free(v); 443 free(v);
442 return(0); 444 return(0);
490 } /* VOC_read */ 492 } /* VOC_read */
491 493
492 494
493 static int VOC_rewind(Sound_Sample *sample) 495 static int VOC_rewind(Sound_Sample *sample)
494 { 496 {
495 /* !!! FIXME. */ 497 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
496 SNDDBG(("VOC_rewind(): Write me!\n")); 498 vs_t *v = (vs_t *) internal->decoder_private;
497 assert(0); 499 int rc = SDL_RWseek(internal->rw, v->start_pos, SEEK_SET);
498 return(0); 500 BAIL_IF_MACRO(rc != v->start_pos, ERR_IO_ERROR, 0);
501 v->rest = 0;
502 return(1);
499 } /* VOC_rewind */ 503 } /* VOC_rewind */
500 504
501 #endif /* SOUND_SUPPORTS_VOC */ 505 #endif /* SOUND_SUPPORTS_VOC */
502 506
503 /* end of voc.c ... */ 507 /* end of voc.c ... */