Changeset 1588:b8e7362f4123 in roaraudio
- Timestamp:
- 04/16/09 00:01:29 (15 years ago)
- Branch:
- default
- Phase:
- public
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
libroardsp/filter_swap.c
r1587 r1588 26 26 27 27 int roardsp_swap_init (struct roardsp_filter * filter, struct roar_stream * stream, int id) { 28 return -1; 28 struct roardsp_swap * inst = malloc(sizeof(struct roardsp_swap)); 29 30 ROAR_WARN("roardsp_swap_init(*): inst=%p", inst); 31 32 if ( inst == NULL ) { 33 ROAR_ERR("roardsp_swap_init(*): Can not alloc memory for filter swap: %s", strerror(errno)); 34 filter->inst = NULL; 35 return -1; 36 } 37 38 filter->inst = inst; 39 40 return roardsp_swap_reset(filter, ROARDSP_RESET_FULL); 29 41 } 30 42 31 43 int roardsp_swap_uninit (struct roardsp_filter * filter) { 32 return -1; 44 if ( filter == NULL ) 45 return -1; 46 47 if ( filter->inst == NULL ) 48 return -1; 49 50 free(filter->inst); 51 52 return 0; 33 53 } 34 54 35 55 int roardsp_swap_calc162(struct roardsp_filter * filter, void * data, size_t samples) { 36 return -1; 56 int16_t * d = data; 57 register int16_t s; 58 int i; 59 60 for (i = 0; i < samples; i += 2) { 61 ROAR_WARN("roardsp_swap_calc162(*): d[i]=%i, d[i+1]=%i", d[i], d[i+1]); 62 s = d[i]; 63 d[i] = d[i+1]; 64 d[i+1] = s; 65 } 66 67 return 0; 37 68 } 38 69 … … 42 73 43 74 int roardsp_swap_reset (struct roardsp_filter * filter, int what) { 75 struct roardsp_swap * inst = NULL; 76 int i; 77 78 if ( filter == NULL ) 79 return -1; 80 81 if ( (inst = filter->inst) == NULL ) 82 return -1; 83 84 switch (what) { 85 case ROARDSP_RESET_NONE: 86 case ROARDSP_RESET_STATE: 87 return 0; 88 break; 89 case ROARDSP_RESET_FULL: 90 memset(inst, 0, sizeof(struct roardsp_swap)); 91 92 for (i = 0; i < ROAR_MAX_CHANNELS; i++) 93 inst->map[i] = i; 94 95 inst->map[0] = 1; 96 inst->map[1] = 0; 97 return 0; 98 break; 99 default: 100 return -1; 101 } 102 44 103 return -1; 45 104 }
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