[4373] | 1 | //hwmixer_oss.c: |
---|
| 2 | |
---|
| 3 | /* |
---|
| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
---|
| 5 | * |
---|
| 6 | * This file is part of roard a part of RoarAudio, |
---|
| 7 | * a cross-platform sound system for both, home and professional use. |
---|
| 8 | * See README for details. |
---|
| 9 | * |
---|
| 10 | * This file is free software; you can redistribute it and/or modify |
---|
| 11 | * it under the terms of the GNU General Public License version 3 |
---|
| 12 | * as published by the Free Software Foundation. |
---|
| 13 | * |
---|
| 14 | * RoarAudio is distributed in the hope that it will be useful, |
---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 17 | * GNU General Public License for more details. |
---|
| 18 | * |
---|
| 19 | * You should have received a copy of the GNU General Public License |
---|
| 20 | * along with this software; see the file COPYING. If not, write to |
---|
| 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
| 22 | * Boston, MA 02110-1301, USA. |
---|
| 23 | * |
---|
| 24 | */ |
---|
| 25 | |
---|
| 26 | #include "roard.h" |
---|
| 27 | |
---|
[4390] | 28 | #if defined(ROAR_HAVE_OSS_BSD) || defined(ROAR_HAVE_OSS) |
---|
| 29 | |
---|
[4373] | 30 | #define OSS_VOLUME_SCALE 100 |
---|
| 31 | |
---|
| 32 | struct subdev { |
---|
| 33 | int bit; |
---|
| 34 | int channels; |
---|
| 35 | long long int cmd_read, cmd_write; |
---|
| 36 | }; |
---|
| 37 | |
---|
[4388] | 38 | static struct subdev_map { |
---|
| 39 | const char * name; |
---|
| 40 | struct subdev subdev; |
---|
| 41 | } g_subdevs[] = { |
---|
[4391] | 42 | {"Volume", {.bit = SOUND_MASK_VOLUME, .cmd_read = SOUND_MIXER_READ_VOLUME, .cmd_write = SOUND_MIXER_WRITE_VOLUME }}, |
---|
| 43 | {"Bass", {.bit = SOUND_MASK_BASS, .cmd_read = SOUND_MIXER_READ_BASS, .cmd_write = SOUND_MIXER_WRITE_BASS }}, |
---|
| 44 | {"Treble", {.bit = SOUND_MASK_TREBLE, .cmd_read = SOUND_MIXER_READ_TREBLE, .cmd_write = SOUND_MIXER_WRITE_TREBLE }}, |
---|
| 45 | {"Synth", {.bit = SOUND_MASK_SYNTH, .cmd_read = SOUND_MIXER_READ_SYNTH, .cmd_write = SOUND_MIXER_WRITE_SYNTH }}, |
---|
| 46 | {"PCM", {.bit = SOUND_MASK_PCM, .cmd_read = SOUND_MIXER_READ_PCM, .cmd_write = SOUND_MIXER_WRITE_PCM }}, |
---|
| 47 | {"Speaker", {.bit = SOUND_MASK_SPEAKER, .cmd_read = SOUND_MIXER_READ_SPEAKER, .cmd_write = SOUND_MIXER_WRITE_SPEAKER }}, |
---|
| 48 | {"Line", {.bit = SOUND_MASK_LINE, .cmd_read = SOUND_MIXER_READ_LINE, .cmd_write = SOUND_MIXER_WRITE_LINE }}, |
---|
| 49 | {"Mic", {.bit = SOUND_MASK_MIC, .cmd_read = SOUND_MIXER_READ_MIC, .cmd_write = SOUND_MIXER_WRITE_MIC }}, |
---|
| 50 | {"CD", {.bit = SOUND_MASK_CD, .cmd_read = SOUND_MIXER_READ_CD, .cmd_write = SOUND_MIXER_WRITE_CD }}, |
---|
| 51 | {"Imix", {.bit = SOUND_MASK_IMIX, .cmd_read = SOUND_MIXER_READ_IMIX, .cmd_write = SOUND_MIXER_WRITE_IMIX }}, |
---|
| 52 | {"AltPCM", {.bit = SOUND_MASK_ALTPCM, .cmd_read = SOUND_MIXER_READ_ALTPCM, .cmd_write = SOUND_MIXER_WRITE_ALTPCM }}, |
---|
| 53 | {"Reclev", {.bit = SOUND_MASK_RECLEV, .cmd_read = SOUND_MIXER_READ_RECLEV, .cmd_write = SOUND_MIXER_WRITE_RECLEV }}, |
---|
| 54 | {"IGain", {.bit = SOUND_MASK_IGAIN, .cmd_read = SOUND_MIXER_READ_IGAIN, .cmd_write = SOUND_MIXER_WRITE_IGAIN }}, |
---|
| 55 | {"OGain", {.bit = SOUND_MASK_OGAIN, .cmd_read = SOUND_MIXER_READ_OGAIN, .cmd_write = SOUND_MIXER_WRITE_OGAIN }}, |
---|
| 56 | {"Line1", {.bit = SOUND_MASK_LINE1, .cmd_read = SOUND_MIXER_READ_LINE1, .cmd_write = SOUND_MIXER_WRITE_LINE1 }}, |
---|
| 57 | {"Line2", {.bit = SOUND_MASK_LINE2, .cmd_read = SOUND_MIXER_READ_LINE2, .cmd_write = SOUND_MIXER_WRITE_LINE2 }}, |
---|
| 58 | {"Line3", {.bit = SOUND_MASK_LINE3, .cmd_read = SOUND_MIXER_READ_LINE3, .cmd_write = SOUND_MIXER_WRITE_LINE3 }}, |
---|
| 59 | /* |
---|
| 60 | {"Digital1", {.bit = SOUND_MASK_DIGITAL1, .cmd_read = SOUND_MIXER_READ_DIGITAL1, .cmd_write = SOUND_MIXER_WRITE_DIGITAL1}}, |
---|
| 61 | {"Digital2", {.bit = SOUND_MASK_DIGITAL2, .cmd_read = SOUND_MIXER_READ_DIGITAL2, .cmd_write = SOUND_MIXER_WRITE_DIGITAL2}}, |
---|
| 62 | {"Digital3", {.bit = SOUND_MASK_DIGITAL3, .cmd_read = SOUND_MIXER_READ_DIGITAL3, .cmd_write = SOUND_MIXER_WRITE_DIGITAL3}}, |
---|
| 63 | {"PhoneIn", {.bit = SOUND_MASK_PHONEIN, .cmd_read = SOUND_MIXER_READ_PHONEIN, .cmd_write = SOUND_MIXER_WRITE_PHONEIN }}, |
---|
| 64 | {"PhoneOut", {.bit = SOUND_MASK_PHONEOUT, .cmd_read = SOUND_MIXER_READ_PHONEOUT, .cmd_write = SOUND_MIXER_WRITE_PHONEOUT}}, |
---|
| 65 | {"Radio", {.bit = SOUND_MASK_RADIO, .cmd_read = SOUND_MIXER_READ_RADIO, .cmd_write = SOUND_MIXER_WRITE_RADIO }}, |
---|
| 66 | {"Video", {.bit = SOUND_MASK_VIDEO, .cmd_read = SOUND_MIXER_READ_VIDEO, .cmd_write = SOUND_MIXER_WRITE_VIDEO }}, |
---|
| 67 | {"Monitor", {.bit = SOUND_MASK_MONITOR, .cmd_read = SOUND_MIXER_READ_MONITOR, .cmd_write = SOUND_MIXER_WRITE_MONITOR }}, |
---|
| 68 | */ |
---|
| 69 | // Alias with better name: |
---|
| 70 | {"Master", {.bit = SOUND_MASK_VOLUME, .cmd_read = SOUND_MIXER_READ_VOLUME, .cmd_write = SOUND_MIXER_WRITE_VOLUME }}, |
---|
| 71 | {"PCM2", {.bit = SOUND_MASK_ALTPCM, .cmd_read = SOUND_MIXER_READ_ALTPCM, .cmd_write = SOUND_MIXER_WRITE_ALTPCM }}, |
---|
[4388] | 72 | {NULL} |
---|
| 73 | }; |
---|
| 74 | |
---|
| 75 | static int hwmixer_oss_open_stream(struct hwmixer_stream * stream, int devmask, int sdevmask, char * basename, struct roar_keyval * subname) { |
---|
| 76 | struct subdev * subdev; |
---|
| 77 | struct subdev * source_subdev = NULL; |
---|
| 78 | struct roar_stream_server * ss; |
---|
[4389] | 79 | const char * reqname = subname->value; |
---|
[4388] | 80 | int i; |
---|
[4389] | 81 | char name[80]; |
---|
[4388] | 82 | |
---|
| 83 | for (i = 0; g_subdevs[i].name != NULL; i++) { |
---|
| 84 | if ( !strcasecmp(subname->key, g_subdevs[i].name) ) { |
---|
| 85 | source_subdev = &(g_subdevs[i].subdev); |
---|
[4389] | 86 | if ( reqname == NULL ) |
---|
| 87 | reqname = g_subdevs[i].name; |
---|
[4388] | 88 | break; |
---|
| 89 | } |
---|
| 90 | } |
---|
| 91 | |
---|
| 92 | if ( source_subdev == NULL ) |
---|
| 93 | return -1; |
---|
| 94 | |
---|
| 95 | if ( !(devmask & source_subdev->bit) ) |
---|
| 96 | return -1; |
---|
| 97 | |
---|
| 98 | subdev = roar_mm_malloc(sizeof(struct subdev)); |
---|
| 99 | |
---|
| 100 | if ( subdev == NULL ) |
---|
| 101 | return -1; |
---|
| 102 | |
---|
| 103 | memcpy(subdev, source_subdev, sizeof(struct subdev)); |
---|
| 104 | |
---|
| 105 | subdev->channels = sdevmask & subdev->bit ? 2 : 1; |
---|
| 106 | |
---|
| 107 | stream->ud = subdev; |
---|
| 108 | |
---|
[4389] | 109 | if ( basename == NULL ) { |
---|
[4391] | 110 | streams_set_name(stream->stream, (char*)reqname); |
---|
[4389] | 111 | } else { |
---|
| 112 | snprintf(name, sizeof(name)-1, "%s/%s", basename, reqname); |
---|
| 113 | name[sizeof(name)-1] = 0; |
---|
| 114 | streams_set_name(stream->stream, name); |
---|
| 115 | } |
---|
| 116 | |
---|
[4388] | 117 | if (streams_get(stream->stream, &ss) != -1) { |
---|
| 118 | ROAR_STREAM(ss)->info.channels = subdev->channels; |
---|
| 119 | } else { |
---|
| 120 | ROAR_WARN("hwmixer_dstr_open(*): can not get object for stream %i", stream->stream); |
---|
| 121 | } |
---|
| 122 | |
---|
| 123 | return 0; |
---|
| 124 | } |
---|
| 125 | |
---|
[4373] | 126 | int hwmixer_oss_open(struct hwmixer_stream * stream, char * drv, char * dev, int fh, char * basename, struct roar_keyval * subnames, size_t subnamelen) { |
---|
| 127 | struct roar_vio_calls * vio = roar_mm_malloc(sizeof(struct roar_vio_calls)); |
---|
| 128 | struct roar_vio_defaults def; |
---|
| 129 | struct roar_vio_sysio_ioctl ctl; |
---|
[4388] | 130 | struct roar_keyval kv; |
---|
[4389] | 131 | struct hwmixer_stream * cstream; |
---|
[4373] | 132 | int devmask, sdevmask; |
---|
[4393] | 133 | mixer_info info; |
---|
[4389] | 134 | size_t i; |
---|
[4373] | 135 | |
---|
[4388] | 136 | if ( vio == NULL ) { |
---|
[4373] | 137 | return -1; |
---|
| 138 | } |
---|
| 139 | |
---|
| 140 | if ( fh == -1 ) { |
---|
[4380] | 141 | #ifdef ROAR_DEFAULT_OSS_MIX_DEV |
---|
[4373] | 142 | if ( dev == NULL ) { |
---|
[4380] | 143 | dev = ROAR_DEFAULT_OSS_MIX_DEV; |
---|
[4373] | 144 | } |
---|
[4380] | 145 | #endif |
---|
[4373] | 146 | |
---|
| 147 | if ( dev == NULL ) { |
---|
| 148 | roar_mm_free(vio); |
---|
| 149 | return -1; |
---|
| 150 | } |
---|
| 151 | |
---|
| 152 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_FILE, O_RDWR, 0644) == -1 ) { |
---|
| 153 | roar_mm_free(vio); |
---|
| 154 | return -1; |
---|
| 155 | } |
---|
| 156 | |
---|
| 157 | if ( roar_vio_open_dstr(vio, dev, &def, 1) == -1 ) { |
---|
| 158 | roar_mm_free(vio); |
---|
| 159 | return -1; |
---|
| 160 | } |
---|
| 161 | } else { |
---|
| 162 | if ( roar_vio_open_fh(vio, fh) == -1 ) { |
---|
| 163 | roar_mm_free(vio); |
---|
| 164 | return -1; |
---|
| 165 | } |
---|
| 166 | } |
---|
| 167 | |
---|
| 168 | stream->baseud = vio; |
---|
| 169 | |
---|
| 170 | ctl.cmd = SOUND_MIXER_READ_DEVMASK; |
---|
| 171 | ctl.argp = &devmask; |
---|
| 172 | |
---|
| 173 | if ( roar_vio_ctl(vio, ROAR_VIO_CTL_SYSIO_IOCTL, &ctl) == -1 ) { |
---|
| 174 | roar_vio_close(vio); |
---|
| 175 | roar_mm_free(vio); |
---|
| 176 | return -1; |
---|
| 177 | } |
---|
| 178 | |
---|
| 179 | ctl.cmd = SOUND_MIXER_READ_STEREODEVS; |
---|
| 180 | ctl.argp = &sdevmask; |
---|
| 181 | |
---|
| 182 | if ( roar_vio_ctl(vio, ROAR_VIO_CTL_SYSIO_IOCTL, &ctl) == -1 ) { |
---|
| 183 | sdevmask = 0; |
---|
| 184 | } |
---|
| 185 | |
---|
[4393] | 186 | if ( basename == NULL ) { |
---|
| 187 | ctl.cmd = SOUND_MIXER_INFO; |
---|
| 188 | ctl.argp = &info; |
---|
| 189 | |
---|
| 190 | if ( roar_vio_ctl(vio, ROAR_VIO_CTL_SYSIO_IOCTL, &ctl) == 0 ) { |
---|
| 191 | basename = info.name; |
---|
| 192 | } |
---|
| 193 | } |
---|
| 194 | |
---|
[4389] | 195 | if ( subnamelen == 0 ) { |
---|
[4391] | 196 | kv.key = "Master"; |
---|
[4389] | 197 | kv.value = NULL; |
---|
[4373] | 198 | |
---|
[4389] | 199 | if ( hwmixer_oss_open_stream(stream, devmask, sdevmask, basename, &kv) == -1 ) { |
---|
| 200 | roar_vio_close(vio); |
---|
| 201 | roar_mm_free(vio); |
---|
| 202 | return -1; |
---|
| 203 | } |
---|
| 204 | } else { |
---|
| 205 | if ( hwmixer_oss_open_stream(stream, devmask, sdevmask, basename, subnames) == -1 ) { |
---|
| 206 | roar_vio_close(vio); |
---|
| 207 | roar_mm_free(vio); |
---|
| 208 | return -1; |
---|
| 209 | } |
---|
| 210 | |
---|
| 211 | for (i = 1; i < subnamelen; i++) { |
---|
| 212 | cstream = hwmixer_substream_new(stream); |
---|
| 213 | if ( hwmixer_oss_open_stream(cstream, devmask, sdevmask, basename, &(subnames[i])) == -1 ) { |
---|
| 214 | roar_vio_close(vio); |
---|
| 215 | roar_mm_free(vio); |
---|
| 216 | return -1; |
---|
| 217 | } |
---|
| 218 | } |
---|
[4373] | 219 | } |
---|
| 220 | |
---|
| 221 | |
---|
| 222 | #ifdef TEST_HWMIXER_SUBSTREAMS |
---|
| 223 | stream = hwmixer_substream_new(stream); |
---|
| 224 | if ( stream == NULL ) { |
---|
| 225 | ROAR_WARN("hwmixer_dstr_open(*): can not create substream"); |
---|
| 226 | } else { |
---|
| 227 | if (streams_get(stream->stream, &ss) != -1) { |
---|
| 228 | ROAR_STREAM(ss)->info.channels = 2; |
---|
| 229 | } else { |
---|
| 230 | ROAR_WARN("hwmixer_dstr_open(*): can not get object for stream %i", stream->stream); |
---|
| 231 | } |
---|
| 232 | } |
---|
| 233 | #endif |
---|
| 234 | |
---|
| 235 | return 0; |
---|
| 236 | } |
---|
| 237 | |
---|
| 238 | int hwmixer_oss_close(struct hwmixer_stream * stream) { |
---|
| 239 | // are we a substream? if yes we do not clean up anything. |
---|
| 240 | // streams_delete() will do all our work. |
---|
| 241 | |
---|
| 242 | roar_mm_free(stream->ud); |
---|
| 243 | |
---|
| 244 | if ( stream->stream != stream->basestream ) |
---|
| 245 | return 0; |
---|
| 246 | |
---|
| 247 | roar_vio_close(stream->baseud); |
---|
| 248 | roar_mm_free(stream->baseud); |
---|
| 249 | return 0; |
---|
| 250 | } |
---|
| 251 | |
---|
| 252 | int hwmixer_oss_set_vol(struct hwmixer_stream * stream, int channels, int mode, struct roar_mixer_settings * settings) { |
---|
| 253 | struct roar_vio_calls * vio = stream->baseud; |
---|
| 254 | struct roar_vio_sysio_ioctl ctl; |
---|
| 255 | struct subdev * subdev = stream->ud; |
---|
| 256 | int i; |
---|
| 257 | int l, r; |
---|
| 258 | |
---|
| 259 | if ( channels == 0 ) |
---|
| 260 | return 0; |
---|
| 261 | |
---|
| 262 | if ( channels == 1 ) { |
---|
| 263 | l = r = settings->mixer[0]; |
---|
| 264 | } else { |
---|
| 265 | l = settings->mixer[0]; |
---|
| 266 | r = settings->mixer[1]; |
---|
| 267 | } |
---|
| 268 | |
---|
| 269 | if ( subdev->channels == 1 ) { |
---|
| 270 | l = r = (l + r) / 2; |
---|
| 271 | } |
---|
| 272 | |
---|
| 273 | l = (l * OSS_VOLUME_SCALE) / settings->scale; |
---|
| 274 | r = (r * OSS_VOLUME_SCALE) / settings->scale; |
---|
| 275 | |
---|
| 276 | i = (l & 0xFF) | ((r & 0xFF) << 8); |
---|
| 277 | |
---|
| 278 | ctl.cmd = subdev->cmd_write; |
---|
| 279 | ctl.argp = &i; |
---|
| 280 | |
---|
| 281 | return roar_vio_ctl(vio, ROAR_VIO_CTL_SYSIO_IOCTL, &ctl); |
---|
| 282 | } |
---|
| 283 | |
---|
[4378] | 284 | int hwmixer_oss_get_vol(struct hwmixer_stream * stream, int channels, int mode, struct roar_mixer_settings * settings) { |
---|
| 285 | struct roar_vio_calls * vio = stream->baseud; |
---|
| 286 | struct roar_vio_sysio_ioctl ctl; |
---|
| 287 | struct subdev * subdev = stream->ud; |
---|
| 288 | int i; |
---|
| 289 | int l, r; |
---|
| 290 | |
---|
| 291 | ctl.cmd = subdev->cmd_read; |
---|
| 292 | ctl.argp = &i; |
---|
| 293 | |
---|
| 294 | if ( roar_vio_ctl(vio, ROAR_VIO_CTL_SYSIO_IOCTL, &ctl) == -1 ) |
---|
| 295 | return -1; |
---|
| 296 | |
---|
| 297 | l = i & 0xFF; |
---|
| 298 | r = (i >> 8) & 0xFF; |
---|
| 299 | |
---|
| 300 | if ( subdev->channels == 1 ) |
---|
| 301 | r = l; |
---|
| 302 | |
---|
| 303 | settings->scale = OSS_VOLUME_SCALE; |
---|
| 304 | |
---|
| 305 | if ( channels == 1 ) { |
---|
| 306 | settings->mixer[0] = (l + r) / 2; |
---|
| 307 | } else if ( channels == 2 ) { |
---|
| 308 | settings->mixer[0] = l; |
---|
| 309 | settings->mixer[1] = r; |
---|
| 310 | } else { |
---|
| 311 | return -1; |
---|
| 312 | } |
---|
| 313 | |
---|
| 314 | return 0; |
---|
| 315 | } |
---|
| 316 | |
---|
[4390] | 317 | #endif |
---|
| 318 | |
---|
[4373] | 319 | //ll |
---|