[204] | 1 | //codecfilter_vorbis.c: |
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| 2 | |
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[668] | 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
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| 5 | * |
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| 6 | * This file is part of roard a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * RoarAudio is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[668] | 23 | * |
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| 24 | */ |
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| 25 | |
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[1185] | 26 | #define ROAR_REQUIRE_LIBVORBISFILE |
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| 27 | |
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[204] | 28 | #include "roard.h" |
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| 29 | |
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[362] | 30 | #ifdef ROAR_HAVE_LIBVORBISFILE |
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| 31 | |
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[2107] | 32 | #define FIFAC ((float)((uint64_t)1<<(ROAR_VORBIS_BITS-1))) |
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| 33 | |
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[741] | 34 | int _g_cf_vorbis_vfvio_return_err (void) { |
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| 35 | return -1; |
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| 36 | } |
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| 37 | |
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| 38 | ov_callbacks _g_cf_vorbis_vfvio = { |
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| 39 | .read_func = cf_vorbis_vfvio_read, |
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[743] | 40 | .seek_func = (int (*)(void *, ogg_int64_t, int )) _g_cf_vorbis_vfvio_return_err, |
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| 41 | .close_func = (int (*)(void * )) _g_cf_vorbis_vfvio_return_err, |
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| 42 | .tell_func = (long (*)(void * )) _g_cf_vorbis_vfvio_return_err |
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[741] | 43 | }; |
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| 44 | |
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| 45 | size_t cf_vorbis_vfvio_read (void *ptr, size_t size, size_t nmemb, void *datasource) { |
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| 46 | ssize_t r; |
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[746] | 47 | |
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[741] | 48 | r = stream_vio_s_read(ROAR_STREAM_SERVER(datasource), ptr, size*nmemb); |
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| 49 | |
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[745] | 50 | ROAR_DBG("cf_vorbis_vfvio_read(ptr=%p, size=%lu, nmemb=%lu, datasource=%p): r=%i", ptr, size, nmemb, datasource, r); |
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[741] | 51 | |
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| 52 | if ( r == -1 ) |
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| 53 | return 0; |
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| 54 | |
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| 55 | if ( r > 0 ) |
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| 56 | errno = 0; |
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[744] | 57 | |
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| 58 | r /= size; |
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[741] | 59 | |
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[745] | 60 | ROAR_DBG("cf_vorbis_vfvio_read(ptr=%p, size=%lu, nmemb=%lu, datasource=%p) = %i", ptr, size, nmemb, datasource, r); |
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[744] | 61 | return r; |
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[741] | 62 | } |
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| 63 | |
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[205] | 64 | int cf_vorbis_open(CODECFILTER_USERDATA_T * inst, int codec, |
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| 65 | struct roar_stream_server * info, |
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| 66 | struct roar_codecfilter * filter) { |
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| 67 | struct codecfilter_vorbis_inst * self = malloc(sizeof(struct codecfilter_vorbis_inst)); |
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[569] | 68 | struct roar_stream * s = ROAR_STREAM(info); |
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[205] | 69 | |
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| 70 | if ( !self ) |
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| 71 | return -1; |
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| 72 | |
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| 73 | self->current_section = -1; |
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| 74 | self->last_section = -1; |
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[382] | 75 | self->opened = 0; |
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| 76 | self->got_it_running = 0; |
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[205] | 77 | self->stream = info; |
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| 78 | // self->outlen = ROAR_OUTPUT_BUFFER_SAMPLES * s->info.channels * s->info.bits / 8; // optimal size |
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[569] | 79 | #ifdef ROAR_HAVE_LIBVORBISENC |
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[1226] | 80 | self->encoding = 0; |
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| 81 | self->encoder.v_base_quality = 0.3; |
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[1238] | 82 | self->encoder.srn = -1; |
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[569] | 83 | #endif |
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[205] | 84 | |
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[486] | 85 | ROAR_DBG("cf_vorbis_open(*): info->id=%i", ROAR_STREAM(info)->id); |
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| 86 | |
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[205] | 87 | *inst = (CODECFILTER_USERDATA_T) self; |
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| 88 | |
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[569] | 89 | s->info.codec = ROAR_CODEC_DEFAULT; |
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| 90 | s->info.bits = 16; |
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| 91 | |
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| 92 | if ( s->dir == ROAR_DIR_PLAY ) { |
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| 93 | return 0; |
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[634] | 94 | } else if ( s->dir == ROAR_DIR_MONITOR || s->dir == ROAR_DIR_OUTPUT ) { |
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[569] | 95 | #ifdef ROAR_HAVE_LIBVORBISENC |
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| 96 | // set up the encoder here |
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[2087] | 97 | // this is delayed to the write function |
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| 98 | /* |
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[1226] | 99 | if ( cf_vorbis_encode_start(self) == -1 ) { |
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| 100 | free(self); |
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| 101 | return -1; |
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| 102 | } |
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[2087] | 103 | */ |
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[2107] | 104 | s->info.bits = ROAR_VORBIS_BITS; |
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[569] | 105 | #else |
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| 106 | free(self); |
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| 107 | return -1; |
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| 108 | #endif |
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| 109 | } else { |
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| 110 | free(self); |
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| 111 | return -1; |
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| 112 | } |
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[206] | 113 | |
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| 114 | return 0; |
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[205] | 115 | } |
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| 116 | |
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| 117 | int cf_vorbis_close(CODECFILTER_USERDATA_T inst) { |
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| 118 | struct codecfilter_vorbis_inst * self = (struct codecfilter_vorbis_inst *) inst; |
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| 119 | |
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| 120 | if ( !inst ) |
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| 121 | return -1; |
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| 122 | |
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[382] | 123 | if ( self->got_it_running ) |
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| 124 | ov_clear(&(self->vf)); |
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[205] | 125 | |
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[569] | 126 | #ifdef ROAR_HAVE_LIBVORBISENC |
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| 127 | if ( self->encoding ) { |
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[1226] | 128 | cf_vorbis_encode_end(self); |
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[569] | 129 | } |
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| 130 | #endif |
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| 131 | |
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[205] | 132 | free(inst); |
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[206] | 133 | return 0; |
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[205] | 134 | } |
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| 135 | |
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[582] | 136 | int cf_vorbis_write(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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| 137 | #ifdef ROAR_HAVE_LIBVORBISENC |
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| 138 | struct codecfilter_vorbis_inst * self = (struct codecfilter_vorbis_inst *) inst; |
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| 139 | struct roar_stream * s = ROAR_STREAM(self->stream); |
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| 140 | ogg_packet header; |
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| 141 | ogg_packet header_comm; |
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| 142 | ogg_packet header_code; |
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[586] | 143 | float ** encbuf; |
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| 144 | int i, c; |
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| 145 | int chans; |
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| 146 | int end; |
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[2816] | 147 | int sid; |
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| 148 | void * prethrubuf; |
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[2107] | 149 | #if ROAR_VORBIS_BITS == 8 |
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| 150 | int8_t * data = (int8_t *) buf; |
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| 151 | #elif ROAR_VORBIS_BITS == 16 |
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[586] | 152 | int16_t * data = (int16_t *) buf; |
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[2107] | 153 | #elif ROAR_VORBIS_BITS == 32 |
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| 154 | int32_t * data = (int32_t *) buf; |
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| 155 | #else |
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| 156 | #error value of ROAR_VORBIS_BITS not supported |
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| 157 | #endif |
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[582] | 158 | |
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[584] | 159 | if ( ! self->opened ) { |
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[2087] | 160 | if ( !self->encoding ) { |
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| 161 | if ( cf_vorbis_encode_start(self) == -1 ) { |
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| 162 | return -1; |
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| 163 | } |
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| 164 | } |
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| 165 | |
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[2816] | 166 | sid = ROAR_STREAM(self->stream)->id; |
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| 167 | |
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[582] | 168 | vorbis_analysis_headerout(&(self->encoder.vd), &(self->encoder.vc), &header, &header_comm, &header_code); |
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| 169 | |
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| 170 | ogg_stream_packetin(&(self->encoder.os), &header); |
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| 171 | ogg_stream_packetin(&(self->encoder.os), &header_comm); |
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| 172 | ogg_stream_packetin(&(self->encoder.os), &header_code); |
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| 173 | |
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[2816] | 174 | stream_prethru_destroy(sid); |
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| 175 | |
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[582] | 176 | while (ogg_stream_flush(&(self->encoder.os), &(self->encoder.og))) { |
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[598] | 177 | if ( stream_vio_s_write(self->stream, self->encoder.og.header, self->encoder.og.header_len) |
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| 178 | != self->encoder.og.header_len || |
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| 179 | stream_vio_s_write(self->stream, self->encoder.og.body, self->encoder.og.body_len ) |
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| 180 | != self->encoder.og.body_len ) { |
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[582] | 181 | free(self); // TODO: do we need addional cleanup? |
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| 182 | return -1; |
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| 183 | } |
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[2816] | 184 | // we ignore errors at the moment... |
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| 185 | if ( stream_prethru_add_data(sid, &prethrubuf, self->encoder.og.header_len + self->encoder.og.body_len) != -1 ) { |
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| 186 | memcpy(prethrubuf, self->encoder.og.header, self->encoder.og.header_len); |
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| 187 | memcpy(prethrubuf + self->encoder.og.header_len, self->encoder.og.body, self->encoder.og.body_len ); |
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| 188 | } |
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[582] | 189 | } |
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[584] | 190 | self->opened = 1; |
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[586] | 191 | } else { |
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| 192 | encbuf = vorbis_analysis_buffer(&(self->encoder.vd), len /* TODO: need to lookup the menaing of this */); |
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| 193 | chans = s->info.channels; |
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[2107] | 194 | end = len*8/(ROAR_VORBIS_BITS*chans); |
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[586] | 195 | |
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| 196 | if ( chans == 1 ) { // use optimized code |
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| 197 | for (i = 0; i < end; i++) |
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[2107] | 198 | encbuf[0][i] = data[i]/FIFAC; |
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[586] | 199 | |
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| 200 | } else if ( chans == 2 ) { // use optimized code |
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| 201 | for (i = 0; i < end; i++) { |
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[2107] | 202 | encbuf[0][i] = data[2*i ]/FIFAC; |
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| 203 | encbuf[1][i] = data[2*i+1]/FIFAC; |
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[586] | 204 | } |
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| 205 | } else { // use generic multi channel code |
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| 206 | for (i = 0; i < end; i++) { |
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| 207 | for (c = 0; c < chans; c++) { |
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[2107] | 208 | encbuf[c][i] = data[chans*i+c]/FIFAC; |
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[586] | 209 | } |
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| 210 | } |
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| 211 | } |
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[587] | 212 | |
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| 213 | vorbis_analysis_wrote(&(self->encoder.vd), i); |
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| 214 | |
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[1238] | 215 | if ( cf_vorbis_encode_flushout(self) == -1 ) |
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| 216 | return -1; |
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[584] | 217 | } |
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[582] | 218 | |
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| 219 | return len; // we assume every thing was written (at least into our dsp anaylises buffer |
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| 220 | #else |
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| 221 | errno = ENOSYS; |
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| 222 | return -1; |
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| 223 | #endif |
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| 224 | } |
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[205] | 225 | int cf_vorbis_read(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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| 226 | struct codecfilter_vorbis_inst * self = (struct codecfilter_vorbis_inst *) inst; |
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| 227 | long r; |
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[206] | 228 | long todo = len; |
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| 229 | long done = 0; |
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[205] | 230 | |
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[206] | 231 | // printf("cf_vorbis_read(inst=%p, buf=%p, len=%i) = ?\n", inst, buf, len); |
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| 232 | |
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| 233 | self->opened++; |
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| 234 | if ( self->opened == 16 ) { |
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[744] | 235 | |
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[206] | 236 | //printf("cf_vorbis_read(*): opening...\n"); |
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[741] | 237 | if ( ov_open_callbacks((void*)self->stream, &(self->vf), NULL, 0, _g_cf_vorbis_vfvio) < 0 ) { |
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[206] | 238 | return 0; |
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[205] | 239 | } |
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[742] | 240 | errno = EAGAIN; |
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| 241 | return -1; |
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[205] | 242 | } |
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[206] | 243 | |
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| 244 | if ( self->opened < 16 ) { |
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[541] | 245 | errno = EAGAIN; |
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[206] | 246 | return -1; |
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| 247 | } |
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[205] | 248 | |
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[382] | 249 | |
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| 250 | self->got_it_running = 1; |
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| 251 | |
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[206] | 252 | while (todo) { |
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| 253 | r = ov_read(&(self->vf), buf+done, todo, 0, 2, 1, &(self->current_section)); |
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[744] | 254 | if ( r == OV_HOLE ) { |
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[745] | 255 | ROAR_DBG("cf_vorbis_read(*): Hole in stream"); |
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[744] | 256 | } else if ( r < 1 ) { |
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[206] | 257 | break; |
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| 258 | } else { |
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[207] | 259 | if ( self->last_section != self->current_section ) |
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| 260 | if ( cf_vorbis_update_stream(self) == -1 ) |
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| 261 | return 0; |
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| 262 | |
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| 263 | self->last_section = self->current_section; |
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[206] | 264 | todo -= r; |
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| 265 | done += r; |
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| 266 | } |
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| 267 | } |
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[205] | 268 | |
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[744] | 269 | //printf("ov_read(*) = %i\n", done); |
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[206] | 270 | |
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| 271 | if ( done == 0 ) { |
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[205] | 272 | // do some EOF handling... |
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[206] | 273 | return 0; |
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[205] | 274 | } else { |
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[206] | 275 | return len; |
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[205] | 276 | } |
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| 277 | } |
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| 278 | |
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[207] | 279 | int cf_vorbis_update_stream (struct codecfilter_vorbis_inst * self) { |
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[1493] | 280 | #ifdef ROAR_SUPPORT_META |
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[207] | 281 | vorbis_info *vi = ov_info(&(self->vf), -1); |
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| 282 | char **ptr = ov_comment(&(self->vf), -1)->user_comments; |
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[716] | 283 | char key[ROAR_META_MAX_NAMELEN] = {0}, value[LIBROAR_BUFFER_MSGDATA] = {0}; |
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[583] | 284 | struct roar_stream * s = ROAR_STREAM(self->stream); |
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[207] | 285 | int type; |
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| 286 | int j, h = 0; |
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[222] | 287 | float rpg_track = 0, rpg_album = 0; |
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[716] | 288 | int meta_ok; |
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[207] | 289 | |
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| 290 | s->info.channels = vi->channels; |
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| 291 | s->info.rate = vi->rate; |
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| 292 | s->info.bits = 16; |
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| 293 | s->info.codec = ROAR_CODEC_DEFAULT; |
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| 294 | |
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| 295 | stream_meta_clear(s->id); |
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| 296 | |
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| 297 | while(*ptr){ |
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[716] | 298 | meta_ok = 1; |
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[207] | 299 | |
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[716] | 300 | for (j = 0; (*ptr)[j] != 0 && (*ptr)[j] != '='; j++) { |
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| 301 | if ( j == ROAR_META_MAX_NAMELEN ) { |
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| 302 | ROAR_ERR("cf_vorbis_update_stream(*): invalid meta data on stream %i: meta data key too long", s->id); |
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| 303 | meta_ok = 0; |
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| 304 | j = 0; |
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| 305 | break; |
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| 306 | } |
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| 307 | key[j] = (*ptr)[j]; |
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| 308 | } |
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| 309 | key[j] = 0; |
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[222] | 310 | |
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[716] | 311 | if ( meta_ok ) { |
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| 312 | for (j++, h = 0; (*ptr)[j] != 0 && (*ptr)[j] != '='; j++) { |
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| 313 | if ( h == LIBROAR_BUFFER_MSGDATA ) { |
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| 314 | ROAR_ERR("update_stream(*): invalid meta data on stream %i: meta data value for key '%s' too long", s->id, key); |
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[717] | 315 | meta_ok = 0; |
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[716] | 316 | h = 0; |
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| 317 | break; |
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| 318 | } |
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| 319 | value[h++] = (*ptr)[j]; |
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| 320 | } |
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| 321 | value[h] = 0; |
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[222] | 322 | } |
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| 323 | |
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[716] | 324 | if ( meta_ok ) { |
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| 325 | type = roar_meta_inttype(key); |
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| 326 | if ( type != -1 ) |
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| 327 | stream_meta_set(s->id, type, "", value); |
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| 328 | |
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| 329 | ROAR_DBG("cf_vorbis_update_stream(*): Meta %-16s: %s", key, value); |
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| 330 | |
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| 331 | if ( strcmp(key, "REPLAYGAIN_TRACK_PEAK") == 0 ) { |
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| 332 | rpg_track = 1/atof(value); |
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| 333 | /* |
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| 334 | } else if ( strcmp(key, "REPLAYGAIN_TRACK_GAIN") == 0 ) { |
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| 335 | rpg_track = powf(10, atof(value)/20); |
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| 336 | */ |
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| 337 | } else if ( strcmp(key, "REPLAYGAIN_ALBUM_PEAK") == 0 ) { |
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| 338 | rpg_album = 1/atof(value); |
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| 339 | /* |
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| 340 | } else if ( strcmp(key, "REPLAYGAIN_ALBUM_GAIN") == 0 ) { |
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| 341 | rpg_album = powf(10, atof(value)/20); |
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| 342 | */ |
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| 343 | } |
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| 344 | } |
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| 345 | |
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| 346 | ptr++; |
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[207] | 347 | } |
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| 348 | |
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[222] | 349 | if ( rpg_album ) { |
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| 350 | self->stream->mixer.rpg_div = 2718; // = int(exp(1)*1000) |
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| 351 | self->stream->mixer.rpg_mul = (float)rpg_album*2718; |
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| 352 | } else if ( rpg_track ) { |
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| 353 | self->stream->mixer.rpg_div = 2718; |
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| 354 | self->stream->mixer.rpg_mul = (float)rpg_track*2718; |
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| 355 | } |
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| 356 | |
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[1041] | 357 | stream_meta_finalize(s->id); |
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[1493] | 358 | #endif |
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[223] | 359 | //printf("RPG: mul=%i, div=%i\n", self->stream->mixer.rpg_mul, self->stream->mixer.rpg_div); |
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[207] | 360 | return 0; |
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| 361 | } |
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| 362 | |
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[1226] | 363 | int cf_vorbis_encode_start (struct codecfilter_vorbis_inst * self) { |
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| 364 | #ifdef ROAR_HAVE_LIBVORBISENC |
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[1238] | 365 | int srn = self->encoder.srn; // this value is allrady inited... |
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[1493] | 366 | #ifdef ROAR_SUPPORT_META |
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[1238] | 367 | int len = 0; |
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| 368 | int i; |
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| 369 | int types[ROAR_META_MAX_PER_STREAM]; |
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[1493] | 370 | #endif |
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[1238] | 371 | int sid = ROAR_STREAM(self->stream)->id; |
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[2087] | 372 | float v_base_quality = self->encoder.v_base_quality; |
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[1238] | 373 | char val[LIBROAR_BUFFER_MSGDATA]; |
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| 374 | |
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| 375 | val[LIBROAR_BUFFER_MSGDATA-1] = 0; |
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| 376 | |
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[1226] | 377 | memset(&(self->encoder), 0, sizeof(self->encoder)); |
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| 378 | |
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| 379 | self->encoding = 1; |
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[2087] | 380 | self->encoder.srn = srn + 1; |
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| 381 | self->encoder.v_base_quality = v_base_quality; |
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[1226] | 382 | |
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| 383 | vorbis_info_init(&(self->encoder.vi)); |
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| 384 | vorbis_comment_init(&(self->encoder.vc)); |
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| 385 | vorbis_comment_add_tag(&(self->encoder.vc), "SERVER", "RoarAudio"); |
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| 386 | vorbis_comment_add_tag(&(self->encoder.vc), "ENCODER", "RoarAudio Vorbis codecfilter"); |
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| 387 | |
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[1493] | 388 | #ifdef ROAR_SUPPORT_META |
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[1238] | 389 | if ( (len = stream_meta_list(sid, types, ROAR_META_MAX_PER_STREAM)) != -1 ) { |
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| 390 | for (i = 0; i < len; i++) { |
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| 391 | //int stream_meta_get (int id, int type, char * name, char * val, size_t len); |
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| 392 | if ( stream_meta_get(sid, types[i], NULL, val, LIBROAR_BUFFER_MSGDATA-1) == 0 ) |
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| 393 | vorbis_comment_add_tag(&(self->encoder.vc), roar_meta_strtype(types[i]), val); |
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| 394 | } |
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| 395 | } |
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[1493] | 396 | #endif |
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[1238] | 397 | |
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[2087] | 398 | ROAR_DBG("cf_vorbis_encode_start(*): q=%f", v_base_quality); |
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| 399 | |
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[1226] | 400 | if( vorbis_encode_init_vbr(&(self->encoder.vi), (long) ROAR_STREAM(self->stream)->info.channels, |
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| 401 | (long) ROAR_STREAM(self->stream)->info.rate, |
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[2087] | 402 | v_base_quality) != 0 ) { |
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[1226] | 403 | ROAR_ERR("cf_vorbis_encode_start(*): Can not vorbis_encode_init_vbr(*)!"); |
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| 404 | vorbis_info_clear(&(self->encoder.vi)); // TODO: do we need to free vc also? |
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| 405 | return -1; |
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| 406 | } |
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| 407 | |
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| 408 | vorbis_analysis_init(&(self->encoder.vd), &(self->encoder.vi)); |
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| 409 | vorbis_block_init(&(self->encoder.vd), &(self->encoder.vb)); |
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[362] | 410 | |
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[1239] | 411 | ROAR_DBG("cf_vorbis_encode_start(*): srn=%i", self->encoder.srn); |
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[1226] | 412 | // "RA"<<16 + PID<<8 + Stream ID |
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[1238] | 413 | ogg_stream_init(&(self->encoder.os), |
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[1239] | 414 | (((0x5241 + self->encoder.srn) & 0xffff)<<16) + |
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| 415 | ( (getpid() & 0x00ff)<< 8) + |
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| 416 | ( sid & 0x00ff)); |
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[1226] | 417 | return 0; |
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| 418 | #else |
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| 419 | return -1; |
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| 420 | #endif |
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| 421 | } |
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| 422 | |
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| 423 | int cf_vorbis_encode_end (struct codecfilter_vorbis_inst * self) { |
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| 424 | #ifdef ROAR_HAVE_LIBVORBISENC |
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| 425 | if ( self->encoding ) { |
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[1238] | 426 | // try to flush up to an EOS page... |
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| 427 | vorbis_analysis_buffer(&(self->encoder.vd), 2*ROAR_MAX_CHANNELS); |
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| 428 | vorbis_analysis_wrote(&(self->encoder.vd), 0); |
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| 429 | cf_vorbis_encode_flushout(self); |
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| 430 | |
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| 431 | // clean up... |
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[1226] | 432 | ogg_stream_clear(&(self->encoder.os)); |
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| 433 | vorbis_block_clear(&(self->encoder.vb)); |
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| 434 | vorbis_dsp_clear(&(self->encoder.vd)); |
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| 435 | vorbis_info_clear(&(self->encoder.vi)); |
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| 436 | self->opened = 0; |
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| 437 | } |
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| 438 | |
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| 439 | return 0; |
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| 440 | #else |
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| 441 | return -1; |
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| 442 | #endif |
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| 443 | } |
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| 444 | |
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[1238] | 445 | int cf_vorbis_encode_flushout(struct codecfilter_vorbis_inst * self) { |
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| 446 | #ifdef ROAR_HAVE_LIBVORBISENC |
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| 447 | while ( vorbis_analysis_blockout(&(self->encoder.vd), &(self->encoder.vb)) == 1 ) { |
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| 448 | vorbis_analysis(&(self->encoder.vb), &(self->encoder.op)); |
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| 449 | vorbis_bitrate_addblock(&(self->encoder.vb)); |
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| 450 | |
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| 451 | while ( vorbis_bitrate_flushpacket(&(self->encoder.vd), &(self->encoder.op)) ) { |
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| 452 | ogg_stream_packetin(&(self->encoder.os), &(self->encoder.op)); |
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| 453 | |
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| 454 | while( ogg_stream_pageout(&(self->encoder.os), &(self->encoder.og)) ) { |
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| 455 | if ( |
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| 456 | stream_vio_s_write(self->stream, self->encoder.og.header, self->encoder.og.header_len) == -1 || |
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| 457 | stream_vio_s_write(self->stream, self->encoder.og.body, self->encoder.og.body_len ) == -1 ) { |
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| 458 | return -1; |
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| 459 | } |
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| 460 | } |
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| 461 | } |
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| 462 | } |
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| 463 | |
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| 464 | return 0; |
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| 465 | #else |
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| 466 | return -1; |
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| 467 | #endif |
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| 468 | } |
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| 469 | |
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| 470 | int cf_vorbis_ctl(CODECFILTER_USERDATA_T inst, int cmd, void * data) { |
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| 471 | struct codecfilter_vorbis_inst * self = (struct codecfilter_vorbis_inst *) inst; |
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[2084] | 472 | int_least32_t type = cmd & ROAR_STREAM_CTL_TYPEMASK; |
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| 473 | |
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| 474 | cmd -= type; |
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[1238] | 475 | |
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| 476 | switch (cmd) { |
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| 477 | case ROAR_CODECFILTER_CTL2CMD(ROAR_CODECFILTER_CTL_META_UPDATE): |
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[2084] | 478 | if ( type != ROAR_STREAM_CTL_TYPE_VOID ) |
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| 479 | return -1; |
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| 480 | |
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[1239] | 481 | ROAR_DBG("cf_vorbis_ctl(*): stoping stream..."); |
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[1238] | 482 | if ( cf_vorbis_encode_end(self) == -1 ) |
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| 483 | return -1; |
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[1239] | 484 | ROAR_DBG("cf_vorbis_ctl(*): restarting stream..."); |
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[1238] | 485 | if ( cf_vorbis_encode_start(self) == -1 ) |
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| 486 | return -1; |
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| 487 | |
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| 488 | return 0; |
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| 489 | break; |
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[2084] | 490 | case ROAR_CODECFILTER_CTL2CMD(ROAR_CODECFILTER_CTL_SET_Q): |
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| 491 | if ( type != ROAR_STREAM_CTL_TYPE_FLOAT ) |
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| 492 | return -1; |
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| 493 | |
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[2087] | 494 | ROAR_DBG("cf_vorbis_ctl(*): setting quality to q=%f", *(float*)data); |
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| 495 | |
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| 496 | self->encoder.v_base_quality = *(float*)data / 10; |
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[2084] | 497 | |
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| 498 | if ( self->encoding ) { |
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| 499 | ROAR_DBG("cf_vorbis_ctl(*): we are allready encoding, restart..."); |
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| 500 | ROAR_DBG("cf_vorbis_ctl(*): stoping stream..."); |
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| 501 | if ( cf_vorbis_encode_end(self) == -1 ) |
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| 502 | return -1; |
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| 503 | ROAR_DBG("cf_vorbis_ctl(*): restarting stream..."); |
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| 504 | if ( cf_vorbis_encode_start(self) == -1 ) |
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| 505 | return -1; |
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| 506 | } |
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| 507 | |
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| 508 | return 0; |
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| 509 | break; |
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[1238] | 510 | default: |
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[2087] | 511 | ROAR_DBG("cf_vorbis_ctl(*): Unknown command: cmd=0x%.8x, type=0x%.8x, pcmd=0x%.8x", |
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| 512 | cmd, type, ROAR_CODECFILTER_CTL2CMD(cmd)); |
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[1238] | 513 | return -1; |
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| 514 | } |
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| 515 | |
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| 516 | return -1; |
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| 517 | } |
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| 518 | |
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[1226] | 519 | #endif |
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[204] | 520 | //ll |
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