[204] | 1 | //codecfilter_vorbis.c: |
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| 2 | |
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| 3 | #include "roard.h" |
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| 4 | |
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[362] | 5 | #ifdef ROAR_HAVE_LIBVORBISFILE |
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| 6 | |
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[205] | 7 | int cf_vorbis_open(CODECFILTER_USERDATA_T * inst, int codec, |
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| 8 | struct roar_stream_server * info, |
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| 9 | struct roar_codecfilter * filter) { |
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| 10 | struct codecfilter_vorbis_inst * self = malloc(sizeof(struct codecfilter_vorbis_inst)); |
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| 11 | |
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| 12 | if ( !self ) |
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| 13 | return -1; |
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| 14 | |
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| 15 | self->current_section = -1; |
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| 16 | self->last_section = -1; |
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[382] | 17 | self->opened = 0; |
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| 18 | self->got_it_running = 0; |
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[205] | 19 | self->stream = info; |
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| 20 | // self->outlen = ROAR_OUTPUT_BUFFER_SAMPLES * s->info.channels * s->info.bits / 8; // optimal size |
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| 21 | |
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| 22 | if ( (self->in = fdopen(((struct roar_stream*)info)->fh, "r")) == NULL ) { |
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| 23 | free((void*)self); |
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| 24 | return -1; |
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| 25 | } |
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| 26 | |
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| 27 | *inst = (CODECFILTER_USERDATA_T) self; |
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| 28 | |
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[206] | 29 | ((struct roar_stream*)info)->info.codec = ROAR_CODEC_DEFAULT; |
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| 30 | |
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| 31 | return 0; |
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[205] | 32 | } |
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| 33 | |
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| 34 | int cf_vorbis_close(CODECFILTER_USERDATA_T inst) { |
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| 35 | struct codecfilter_vorbis_inst * self = (struct codecfilter_vorbis_inst *) inst; |
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| 36 | |
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| 37 | if ( !inst ) |
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| 38 | return -1; |
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| 39 | |
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[382] | 40 | if ( self->got_it_running ) |
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| 41 | ov_clear(&(self->vf)); |
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[205] | 42 | |
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| 43 | free(inst); |
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[206] | 44 | return 0; |
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[205] | 45 | } |
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| 46 | |
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| 47 | int cf_vorbis_read(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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| 48 | struct codecfilter_vorbis_inst * self = (struct codecfilter_vorbis_inst *) inst; |
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| 49 | long r; |
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[206] | 50 | long todo = len; |
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| 51 | long done = 0; |
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[205] | 52 | |
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[206] | 53 | // printf("cf_vorbis_read(inst=%p, buf=%p, len=%i) = ?\n", inst, buf, len); |
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| 54 | |
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| 55 | self->opened++; |
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| 56 | if ( self->opened == 16 ) { |
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| 57 | //printf("cf_vorbis_read(*): opening...\n"); |
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[205] | 58 | if ( ov_open(self->in, &(self->vf), NULL, 0) < 0 ) { |
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[382] | 59 | // free((void*)self); |
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[206] | 60 | return 0; |
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[205] | 61 | } |
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| 62 | } |
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[206] | 63 | |
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| 64 | if ( self->opened < 16 ) { |
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| 65 | return -1; |
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| 66 | } |
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[205] | 67 | |
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[382] | 68 | |
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| 69 | self->got_it_running = 1; |
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| 70 | |
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[206] | 71 | while (todo) { |
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| 72 | r = ov_read(&(self->vf), buf+done, todo, 0, 2, 1, &(self->current_section)); |
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| 73 | if ( r < 1 ) { |
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| 74 | break; |
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| 75 | } else { |
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[207] | 76 | if ( self->last_section != self->current_section ) |
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| 77 | if ( cf_vorbis_update_stream(self) == -1 ) |
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| 78 | return 0; |
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| 79 | |
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| 80 | self->last_section = self->current_section; |
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[206] | 81 | todo -= r; |
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| 82 | done += r; |
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| 83 | } |
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| 84 | } |
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[205] | 85 | |
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[206] | 86 | //printf("ov_read(*) = %i\n", done); |
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| 87 | |
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| 88 | if ( done == 0 ) { |
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[205] | 89 | // do some EOF handling... |
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[206] | 90 | return 0; |
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[205] | 91 | } else { |
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[206] | 92 | return len; |
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[205] | 93 | } |
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| 94 | } |
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| 95 | |
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[207] | 96 | int cf_vorbis_update_stream (struct codecfilter_vorbis_inst * self) { |
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| 97 | vorbis_info *vi = ov_info(&(self->vf), -1); |
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| 98 | char **ptr = ov_comment(&(self->vf), -1)->user_comments; |
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| 99 | char key[80] = {0}, value[80] = {0}; |
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| 100 | struct roar_stream * s = (struct roar_stream *) self->stream; |
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| 101 | int type; |
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| 102 | int j, h = 0; |
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[222] | 103 | float rpg_track = 0, rpg_album = 0; |
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[207] | 104 | |
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| 105 | s->info.channels = vi->channels; |
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| 106 | s->info.rate = vi->rate; |
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| 107 | s->info.bits = 16; |
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| 108 | s->info.codec = ROAR_CODEC_DEFAULT; |
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| 109 | |
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| 110 | stream_meta_clear(s->id); |
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| 111 | |
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| 112 | while(*ptr){ |
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| 113 | for (j = 0; (*ptr)[j] != 0 && (*ptr)[j] != '='; j++) |
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| 114 | key[j] = (*ptr)[j]; |
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| 115 | key[j] = 0; |
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| 116 | |
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| 117 | for (j++, h = 0; (*ptr)[j] != 0 && (*ptr)[j] != '='; j++) |
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| 118 | value[h++] = (*ptr)[j]; |
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| 119 | value[h] = 0; |
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| 120 | |
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| 121 | type = roar_meta_inttype(key); |
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| 122 | if ( type != -1 ) |
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| 123 | stream_meta_set(s->id, type, "", value); |
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| 124 | |
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| 125 | ROAR_DBG("cf_vorbis_update_stream(*): Meta %-16s: %s", key, value); |
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[222] | 126 | |
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| 127 | if ( strcmp(key, "REPLAYGAIN_TRACK_PEAK") == 0 ) { |
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| 128 | rpg_track = 1/atof(value); |
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| 129 | /* |
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| 130 | } else if ( strcmp(key, "REPLAYGAIN_TRACK_GAIN") == 0 ) { |
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| 131 | rpg_track = powf(10, atof(value)/20); |
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| 132 | */ |
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| 133 | } else if ( strcmp(key, "REPLAYGAIN_ALBUM_PEAK") == 0 ) { |
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| 134 | rpg_album = 1/atof(value); |
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| 135 | /* |
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| 136 | } else if ( strcmp(key, "REPLAYGAIN_ALBUM_GAIN") == 0 ) { |
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| 137 | rpg_album = powf(10, atof(value)/20); |
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| 138 | */ |
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| 139 | } |
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| 140 | |
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[207] | 141 | ++ptr; |
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| 142 | } |
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| 143 | |
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[222] | 144 | if ( rpg_album ) { |
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| 145 | self->stream->mixer.rpg_div = 2718; // = int(exp(1)*1000) |
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| 146 | self->stream->mixer.rpg_mul = (float)rpg_album*2718; |
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| 147 | } else if ( rpg_track ) { |
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| 148 | self->stream->mixer.rpg_div = 2718; |
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| 149 | self->stream->mixer.rpg_mul = (float)rpg_track*2718; |
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| 150 | } |
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| 151 | |
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[223] | 152 | //printf("RPG: mul=%i, div=%i\n", self->stream->mixer.rpg_mul, self->stream->mixer.rpg_div); |
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[207] | 153 | return 0; |
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| 154 | } |
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| 155 | |
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[362] | 156 | #endif |
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| 157 | |
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[204] | 158 | //ll |
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