[559] | 1 | //codecfilter_wave.c: |
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| 2 | |
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| 3 | #include "roard.h" |
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| 4 | |
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| 5 | int cf_wave_open(CODECFILTER_USERDATA_T * inst, int codec, |
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| 6 | struct roar_stream_server * info, |
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| 7 | struct roar_codecfilter * filter) { |
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| 8 | struct codecfilter_wave_inst * self = malloc(sizeof(struct codecfilter_wave_inst)); |
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| 9 | struct roar_stream * s = (struct roar_stream *) info; |
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| 10 | |
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| 11 | if ( !self ) |
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| 12 | return -1; |
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| 13 | |
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| 14 | self->stream = info; |
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| 15 | self->opened = 0; |
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| 16 | |
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| 17 | *inst = (CODECFILTER_USERDATA_T) self; |
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| 18 | |
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| 19 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
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| 20 | return 0; |
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| 21 | } |
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| 22 | |
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| 23 | int cf_wave_close(CODECFILTER_USERDATA_T inst) { |
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[562] | 24 | // struct codecfilter_wave_inst * self = (struct codecfilter_wave_inst *) inst; |
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[559] | 25 | |
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| 26 | if ( !inst ) |
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| 27 | return -1; |
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| 28 | |
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| 29 | free(inst); |
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| 30 | return 0; |
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| 31 | } |
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| 32 | |
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| 33 | int cf_wave_read(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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| 34 | struct codecfilter_wave_inst * self = (struct codecfilter_wave_inst *) inst; |
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| 35 | int fh = ((struct roar_stream *)self->stream)->fh; |
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| 36 | int r = -1; |
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[562] | 37 | char tbuf[44]; |
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[559] | 38 | struct roar_stream * s = ROAR_STREAM(self->stream); |
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| 39 | |
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| 40 | if ( self->opened ) { |
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| 41 | return read(fh, buf, len); |
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| 42 | } else { |
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[562] | 43 | if (read(fh, tbuf, 44) != 44) { |
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[559] | 44 | close(fh); |
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| 45 | return -1; |
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| 46 | } |
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[565] | 47 | |
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| 48 | // TODO: write better code here! |
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| 49 | |
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[562] | 50 | memcpy(&(s->info.rate ), tbuf+24, 4); |
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| 51 | memcpy(&(s->info.channels), tbuf+22, 2); |
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| 52 | memcpy(&(s->info.bits ), tbuf+34, 2); |
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[559] | 53 | |
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[564] | 54 | self->opened = 1; |
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| 55 | |
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[559] | 56 | errno = EAGAIN; |
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| 57 | return -1; |
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| 58 | } |
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| 59 | |
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| 60 | return r; |
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| 61 | } |
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| 62 | |
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| 63 | int cf_wave_write(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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| 64 | struct codecfilter_wave_inst * self = (struct codecfilter_wave_inst *) inst; |
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| 65 | |
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| 66 | return 0; |
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| 67 | } |
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| 68 | |
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| 69 | //ll |
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