| 1 | //codecfilter_celt.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_celt_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_celt_inst * self = malloc(sizeof(struct codecfilter_celt_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 | /* |
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| 15 | CELTMode * mode; |
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| 16 | CELTEncoder * encoder; |
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| 17 | CELTDecoder * decoder; |
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| 18 | int frame_size; |
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| 19 | int lookahead; |
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| 20 | int out_size; |
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| 21 | char * ibuf; |
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| 22 | char * obuf; |
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| 23 | char * rest; |
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| 24 | int s_buf; |
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| 25 | int f_rest; /-* how much is in rest? *-/ |
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| 26 | */ |
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| 27 | |
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| 28 | self->stream = info; |
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| 29 | self->frame_size = 256; |
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| 30 | self->lookahead = self->frame_size; |
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| 31 | self->encoder = NULL; |
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| 32 | self->decoder = NULL; |
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| 33 | self->s_buf = s->info.channels * self->frame_size; |
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| 34 | self->ibuf = malloc(self->s_buf); |
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| 35 | self->obuf = malloc(self->s_buf); |
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| 36 | self->rest = malloc(self->s_buf); |
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| 37 | self->f_rest = 0; |
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| 38 | |
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| 39 | if ( !(self->ibuf && self->obuf && self->rest) ) { |
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| 40 | if ( self->ibuf ) |
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| 41 | free(self->ibuf); |
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| 42 | |
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| 43 | if ( self->obuf ) |
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| 44 | free(self->obuf); |
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| 45 | |
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| 46 | if ( self->rest ) |
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| 47 | free(self->rest); |
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| 48 | |
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| 49 | free(self); |
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| 50 | return -1; |
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| 51 | } |
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| 52 | |
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| 53 | self->mode = celt_mode_create(s->info.rate, s->info.channels, self->frame_size, self->lookahead, NULL); |
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| 54 | |
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| 55 | if ( !self->mode ) { |
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| 56 | free(self); |
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| 57 | return -1; |
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| 58 | } |
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| 59 | |
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| 60 | if ( s->dir == ROAR_DIR_PLAY ) { |
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| 61 | self->decoder = celt_decoder_create(self->mode); |
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| 62 | } else if ( s->dir == ROAR_DIR_MONITOR ) { |
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| 63 | self->encoder = celt_encoder_create(self->mode); |
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| 64 | } else { |
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| 65 | celt_mode_destroy(self->mode); |
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| 66 | free(self); |
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| 67 | return -1; |
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| 68 | } |
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| 69 | |
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| 70 | *inst = (CODECFILTER_USERDATA_T) self; |
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| 71 | |
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| 72 | s->info.codec = ROAR_CODEC_DEFAULT; |
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| 73 | s->info.bits = 16; // CELT hardcoded |
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| 74 | |
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| 75 | return 0; |
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| 76 | } |
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| 77 | |
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| 78 | int cf_celt_close(CODECFILTER_USERDATA_T inst) { |
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| 79 | struct codecfilter_celt_inst * self = (struct codecfilter_celt_inst *) inst; |
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| 80 | |
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| 81 | if ( !inst ) |
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| 82 | return -1; |
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| 83 | |
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| 84 | if ( self->encoder ) |
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| 85 | celt_encoder_destroy(self->encoder); |
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| 86 | |
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| 87 | if ( self->decoder ) |
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| 88 | celt_decoder_destroy(self->decoder); |
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| 89 | |
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| 90 | if ( self->mode ) |
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| 91 | celt_mode_destroy(self->mode); |
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| 92 | |
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| 93 | free(inst); |
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| 94 | return 0; |
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| 95 | } |
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| 96 | |
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| 97 | int cf_celt_read(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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| 98 | struct codecfilter_celt_inst * self = (struct codecfilter_celt_inst *) inst; |
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| 99 | |
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| 100 | return 0; |
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| 101 | } |
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| 102 | |
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| 103 | int cf_celt_write(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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| 104 | struct codecfilter_celt_inst * self = (struct codecfilter_celt_inst *) inst; |
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| 105 | |
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| 106 | return 0; |
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| 107 | } |
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| 108 | |
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| 109 | //ll |
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