[559] | 1 | //codecfilter_wave.c: |
---|
| 2 | |
---|
| 3 | #include "roard.h" |
---|
| 4 | |
---|
| 5 | struct codecfilter_wave_inst { |
---|
| 6 | struct roar_stream_server * stream; |
---|
| 7 | int opened; |
---|
| 8 | }; |
---|
| 9 | |
---|
| 10 | int cf_wave_open(CODECFILTER_USERDATA_T * inst, int codec, |
---|
| 11 | struct roar_stream_server * info, |
---|
| 12 | struct roar_codecfilter * filter) { |
---|
| 13 | struct codecfilter_wave_inst * self = malloc(sizeof(struct codecfilter_wave_inst)); |
---|
| 14 | struct roar_stream * s = (struct roar_stream *) info; |
---|
| 15 | |
---|
| 16 | if ( !self ) |
---|
| 17 | return -1; |
---|
| 18 | |
---|
| 19 | self->stream = info; |
---|
| 20 | self->opened = 0; |
---|
| 21 | |
---|
| 22 | /* |
---|
| 23 | if ( s->dir == ROAR_DIR_PLAY ) { |
---|
| 24 | self->decoder = celt_decoder_create(self->mode); |
---|
| 25 | } else if ( s->dir == ROAR_DIR_MONITOR ) { |
---|
| 26 | self->encoder = celt_encoder_create(self->mode); |
---|
| 27 | } else { |
---|
| 28 | celt_mode_destroy(self->mode); |
---|
| 29 | free(self); |
---|
| 30 | return -1; |
---|
| 31 | } |
---|
| 32 | */ |
---|
| 33 | |
---|
| 34 | *inst = (CODECFILTER_USERDATA_T) self; |
---|
| 35 | |
---|
| 36 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 37 | return 0; |
---|
| 38 | } |
---|
| 39 | |
---|
| 40 | int cf_wave_close(CODECFILTER_USERDATA_T inst) { |
---|
| 41 | struct codecfilter_wave_inst * self = (struct codecfilter_wave_inst *) inst; |
---|
| 42 | |
---|
| 43 | if ( !inst ) |
---|
| 44 | return -1; |
---|
| 45 | |
---|
| 46 | free(inst); |
---|
| 47 | return 0; |
---|
| 48 | } |
---|
| 49 | |
---|
| 50 | int cf_wave_read(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
---|
| 51 | struct codecfilter_wave_inst * self = (struct codecfilter_wave_inst *) inst; |
---|
| 52 | int fh = ((struct roar_stream *)self->stream)->fh; |
---|
| 53 | int r = -1; |
---|
| 54 | char buf[44]; |
---|
| 55 | struct roar_stream * s = ROAR_STREAM(self->stream); |
---|
| 56 | |
---|
| 57 | if ( self->opened ) { |
---|
| 58 | return read(fh, buf, len); |
---|
| 59 | } else { |
---|
| 60 | if (read(fh, buf, 44) != 44) { |
---|
| 61 | close(fh); |
---|
| 62 | return -1; |
---|
| 63 | } |
---|
| 64 | |
---|
| 65 | memcpy(&(s->info.rate ), buf+24, 4); |
---|
| 66 | memcpy(&(s->info.channels), buf+22, 2); |
---|
| 67 | memcpy(&(s->info.bits ), buf+34, 2); |
---|
| 68 | |
---|
| 69 | errno = EAGAIN; |
---|
| 70 | return -1; |
---|
| 71 | } |
---|
| 72 | |
---|
| 73 | return r; |
---|
| 74 | } |
---|
| 75 | |
---|
| 76 | int cf_wave_write(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
---|
| 77 | struct codecfilter_wave_inst * self = (struct codecfilter_wave_inst *) inst; |
---|
| 78 | |
---|
| 79 | return 0; |
---|
| 80 | } |
---|
| 81 | |
---|
| 82 | //ll |
---|