| 1 | //codecfilter_speex.c: |
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| 2 | |
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| 3 | #include "roard.h" |
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| 4 | #ifdef ROAR_HAVE_LIBSPEEX |
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| 5 | |
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| 6 | int cf_speex_open(CODECFILTER_USERDATA_T * inst, int codec, |
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| 7 | struct roar_stream_server * info, |
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| 8 | struct roar_codecfilter * filter) { |
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| 9 | struct codecfilter_speex_inst * self = malloc(sizeof(struct codecfilter_speex_inst)); |
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| 10 | |
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| 11 | *inst = NULL; |
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| 12 | |
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| 13 | if (!self) |
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| 14 | return -1; |
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| 15 | |
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| 16 | self->encoder = NULL; |
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| 17 | self->decoder = NULL; |
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| 18 | |
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| 19 | self->stream = info; |
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| 20 | |
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| 21 | speex_bits_init(&(self->bits)); |
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| 22 | |
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| 23 | *inst = (void*) self; |
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| 24 | |
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| 25 | return 0; |
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| 26 | } |
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| 27 | |
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| 28 | int cf_speex_close(CODECFILTER_USERDATA_T inst) { |
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| 29 | struct codecfilter_speex_inst * self = (struct codecfilter_speex_inst *) inst; |
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| 30 | |
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| 31 | if (!self) |
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| 32 | return -1; |
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| 33 | |
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| 34 | if ( self->encoder ) |
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| 35 | speex_encoder_destroy(self->decoder); |
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| 36 | |
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| 37 | self->encoder = NULL; |
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| 38 | |
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| 39 | if ( self->decoder ) |
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| 40 | speex_decoder_destroy(self->decoder); |
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| 41 | |
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| 42 | self->decoder = NULL; |
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| 43 | |
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| 44 | speex_bits_destroy(&(self->bits)); |
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| 45 | |
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| 46 | free((void*)self); |
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| 47 | |
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| 48 | return 0; |
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| 49 | } |
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| 50 | |
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| 51 | int cf_speex_read(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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| 52 | struct codecfilter_speex_inst * self = (struct codecfilter_speex_inst *) inst; |
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| 53 | struct roar_stream * s = (struct roar_stream *) self->stream; |
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| 54 | int mode; |
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| 55 | uint16_t ui; |
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| 56 | |
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| 57 | if ( ! self->decoder ) { |
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| 58 | if ( read(s->fh, &ui, 2) != 2 ) |
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| 59 | return 0; |
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| 60 | |
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| 61 | mode = ntohs(ui); |
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| 62 | |
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| 63 | if ( mode == ROAR_SPEEX_MODE_NB ) { |
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| 64 | self->decoder = speex_decoder_init(&speex_nb_mode); |
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| 65 | } else if ( mode == ROAR_SPEEX_MODE_WB ) { |
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| 66 | self->decoder = speex_decoder_init(&speex_wb_mode); |
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| 67 | } else if ( mode == ROAR_SPEEX_MODE_UWB ) { |
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| 68 | self->decoder = speex_decoder_init(&speex_uwb_mode); |
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| 69 | } else { |
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| 70 | return 0; |
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| 71 | } |
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| 72 | } |
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| 73 | |
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| 74 | return -1; |
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| 75 | } |
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| 76 | |
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| 77 | int cf_speex_write(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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| 78 | struct codecfilter_speex_inst * self = (struct codecfilter_speex_inst *) inst; |
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| 79 | |
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| 80 | return -1; |
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| 81 | } |
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| 82 | |
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| 83 | #endif |
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| 84 | |
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| 85 | //ll |
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