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comparison decoders/shn.c @ 233:15a3b1a1291c

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Kludged implementation of the rewind method.
author Ryan C. Gordon <icculus@icculus.org>
date Sat, 19 Jan 2002 20:02:55 +0000
parents c9772a9f5271
children 12a9c2e0b00f
comparison
equal deleted inserted replaced
232:34000a50353b 233:15a3b1a1291c
109 Uint8 *getbufp; 109 Uint8 *getbufp;
110 Uint32 gbuffer; 110 Uint32 gbuffer;
111 Uint8 *backBuffer; 111 Uint8 *backBuffer;
112 Uint32 backBufferSize; 112 Uint32 backBufferSize;
113 Uint32 backBufLeft; 113 Uint32 backBufLeft;
114 Uint32 start_pos;
114 } shn_t; 115 } shn_t;
115 116
116 117
117 static const Uint32 mask_table[] = 118 static const Uint32 mask_table[] =
118 { 119 {
661 662
662 goto shn_open_puke; 663 goto shn_open_puke;
663 return(0); 664 return(0);
664 } /* if */ 665 } /* if */
665 666
667 shn->start_pos = SDL_RWtell(rw);
668
666 shn = (shn_t *) malloc(sizeof (shn_t)); 669 shn = (shn_t *) malloc(sizeof (shn_t));
667 if (shn == NULL) 670 if (shn == NULL)
668 { 671 {
669 Sound_SetError(ERR_OUT_OF_MEMORY); 672 Sound_SetError(ERR_OUT_OF_MEMORY);
670 goto shn_open_puke; 673 goto shn_open_puke;
689 692
690 return(0); 693 return(0);
691 } /* SHN_open */ 694 } /* SHN_open */
692 695
693 696
694 void fix_bitshift(Sint32 *buffer, int nitem, int bitshift, int ftype) 697 static void fix_bitshift(Sint32 *buffer, int nitem, int bitshift, int ftype)
695 { 698 {
696 int i; 699 int i;
697 700
698 if (ftype == SHN_TYPE_AU1) 701 if (ftype == SHN_TYPE_AU1)
699 { 702 {
1299 } /* SHN_read */ 1302 } /* SHN_read */
1300 1303
1301 1304
1302 static int SHN_rewind(Sound_Sample *sample) 1305 static int SHN_rewind(Sound_Sample *sample)
1303 { 1306 {
1304 /* !!! FIXME. */ 1307 Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
1305 SNDDBG(("SHN_rewind(): Write me!\n")); 1308 shn_t *shn = (shn_t *) internal->decoder_private;
1306 assert(0); 1309
1307 return(0); 1310 #if 0
1311 int rc = SDL_RWseek(internal->rw, shn->start_pos, SEEK_SET);
1312 BAIL_IF_MACRO(rc != shn->start_pos, ERR_IO_ERROR, 0);
1313 /* !!! FIXME: set state. */
1314 return(1);
1315 #else
1316 /*
1317 * !!! FIXME: This is really unacceptable; state should be reset and
1318 * !!! FIXME: the RWops should be pointed to the start of the data
1319 * !!! FIXME: to decode. The below kludge adds unneeded overhead and
1320 * !!! FIXME: risk of failure.
1321 */
1322 BAIL_IF_MACRO(SDL_RWseek(internal->rw, 0, SEEK_SET) != 0, ERR_IO_ERROR, 0);
1323 SHN_close(sample);
1324 return(SHN_open(sample, "SHN"));
1325 #endif
1308 } /* SHN_rewind */ 1326 } /* SHN_rewind */
1309 1327
1310 #endif /* defined SOUND_SUPPORTS_SHN */ 1328 #endif /* defined SOUND_SUPPORTS_SHN */
1311 1329
1312 /* end of shn.c ... */ 1330 /* end of shn.c ... */