[2070] | 1 | //roarmixer.c: |
---|
| 2 | /* GStreamer |
---|
| 3 | * Copyright (C) <2005> Arwed v. Merkatz <v.merkatz@gmx.net> |
---|
| 4 | * Copyright (C) <2008> Philipp 'ph3-der-loewe' Schafft |
---|
| 5 | * Copyright (C) <2009> Philipp 'ph3-der-loewe' Schafft |
---|
| 6 | * <lion@lion.leolix.org> |
---|
| 7 | * |
---|
| 8 | * roarmixer.h: an RoarAudio audio mixer |
---|
| 9 | * |
---|
| 10 | * This library is free software; you can redistribute it and/or |
---|
| 11 | * modify it under the terms of the GNU Library General Public |
---|
| 12 | * License as published by the Free Software Foundation; either |
---|
| 13 | * version 2 of the License, or (at your option) any later version. |
---|
| 14 | * |
---|
| 15 | * This library is distributed in the hope that it will be useful, |
---|
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
| 18 | * Library General Public License for more details. |
---|
| 19 | * |
---|
| 20 | * You should have received a copy of the GNU Library General Public |
---|
| 21 | * License along with this library; if not, write to the |
---|
| 22 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
---|
| 23 | * Boston, MA 02111-1307, USA. |
---|
| 24 | */ |
---|
| 25 | |
---|
| 26 | |
---|
| 27 | #include "roarmixer.h" |
---|
| 28 | |
---|
[2073] | 29 | GST_DEBUG_CATEGORY_EXTERN (roar_debug); |
---|
| 30 | #define GST_CAT_DEFAULT roar_debug |
---|
| 31 | |
---|
| 32 | enum |
---|
| 33 | { |
---|
| 34 | PROP_DEVICE_NAME = 1 |
---|
| 35 | }; |
---|
| 36 | |
---|
| 37 | |
---|
| 38 | static const GstElementDetails gst_roar_mixer_element_details = |
---|
| 39 | GST_ELEMENT_DETAILS ("RoarAudio Mixer", |
---|
| 40 | "Generic/Audio", |
---|
| 41 | "Control sound input and output levels with RoarAudio", |
---|
| 42 | "Philipp 'ph3-der-loewe' Schafft <lion@lion.leolix.org>"); |
---|
| 43 | |
---|
| 44 | GST_BOILERPLATE_WITH_INTERFACE (GstRoarMixerElement, gst_roar_mixer_element, |
---|
| 45 | GstElement, GST_TYPE_ELEMENT, GstMixer, GST_TYPE_MIXER, |
---|
| 46 | gst_roar_mixer_element); |
---|
| 47 | |
---|
| 48 | GST_IMPLEMENT_ROAR_MIXER_METHODS (GstRoarMixerElement, gst_roar_mixer_element); |
---|
| 49 | |
---|
| 50 | static GstStateChangeReturn gst_roar_mixer_element_change_state (GstElement * |
---|
| 51 | element, GstStateChange transition); |
---|
| 52 | |
---|
| 53 | static void gst_roar_mixer_element_get_property (GObject * object, |
---|
| 54 | guint prop_id, GValue * value, GParamSpec * pspec); |
---|
| 55 | |
---|
| 56 | static void |
---|
| 57 | gst_roar_mixer_element_base_init (gpointer klass) |
---|
| 58 | { |
---|
| 59 | gst_element_class_set_details (GST_ELEMENT_CLASS (klass), |
---|
| 60 | &gst_roar_mixer_element_details); |
---|
| 61 | } |
---|
| 62 | |
---|
| 63 | static void |
---|
| 64 | gst_roar_mixer_element_class_init (GstRoarMixerElementClass * klass) |
---|
| 65 | { |
---|
| 66 | GstElementClass *element_class; |
---|
| 67 | GObjectClass *gobject_class; |
---|
| 68 | |
---|
| 69 | element_class = (GstElementClass *) klass; |
---|
| 70 | gobject_class = (GObjectClass *) klass; |
---|
| 71 | |
---|
| 72 | gobject_class->get_property = gst_roar_mixer_element_get_property; |
---|
| 73 | |
---|
| 74 | g_object_class_install_property (gobject_class, PROP_DEVICE_NAME, |
---|
| 75 | g_param_spec_string ("device-name", "Device name", |
---|
| 76 | "Human-readable name of the sound device", "", G_PARAM_READABLE)); |
---|
| 77 | |
---|
| 78 | element_class->change_state = |
---|
| 79 | GST_DEBUG_FUNCPTR (gst_roar_mixer_element_change_state); |
---|
| 80 | } |
---|
| 81 | |
---|
| 82 | static void |
---|
| 83 | gst_roar_mixer_element_init (GstRoarMixerElement * this, |
---|
| 84 | GstRoarMixerElementClass * g_class) |
---|
| 85 | { |
---|
| 86 | this->mixer = NULL; |
---|
| 87 | } |
---|
| 88 | |
---|
| 89 | static void |
---|
| 90 | gst_roar_mixer_element_get_property (GObject * object, guint prop_id, |
---|
| 91 | GValue * value, GParamSpec * pspec) |
---|
| 92 | { |
---|
| 93 | GstRoarMixerElement *this = GST_ROAR_MIXER_ELEMENT (object); |
---|
| 94 | |
---|
| 95 | switch (prop_id) { |
---|
| 96 | case PROP_DEVICE_NAME: |
---|
| 97 | if (this->mixer) { |
---|
| 98 | g_value_set_string (value, this->mixer->cardname); |
---|
| 99 | } else { |
---|
| 100 | g_value_set_string (value, NULL); |
---|
| 101 | } |
---|
| 102 | break; |
---|
| 103 | default: |
---|
| 104 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
---|
| 105 | break; |
---|
| 106 | } |
---|
| 107 | } |
---|
| 108 | |
---|
| 109 | static GstStateChangeReturn |
---|
| 110 | gst_roar_mixer_element_change_state (GstElement * element, |
---|
| 111 | GstStateChange transition) |
---|
| 112 | { |
---|
| 113 | GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; |
---|
| 114 | GstRoarMixerElement *this = GST_ROAR_MIXER_ELEMENT (element); |
---|
| 115 | |
---|
| 116 | switch (transition) { |
---|
| 117 | case GST_STATE_CHANGE_NULL_TO_READY: |
---|
| 118 | if (!this->mixer) { |
---|
| 119 | this->mixer = gst_roarmixer_new ("/dev/mixer", GST_ROAR_MIXER_ALL); |
---|
| 120 | } |
---|
| 121 | break; |
---|
| 122 | break; |
---|
| 123 | default: |
---|
| 124 | break; |
---|
| 125 | } |
---|
| 126 | |
---|
| 127 | ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); |
---|
| 128 | if (ret == GST_STATE_CHANGE_FAILURE) |
---|
| 129 | return ret; |
---|
| 130 | |
---|
| 131 | switch (transition) { |
---|
| 132 | case GST_STATE_CHANGE_READY_TO_NULL: |
---|
| 133 | if (this->mixer) { |
---|
| 134 | gst_roarmixer_free (this->mixer); |
---|
| 135 | this->mixer = NULL; |
---|
| 136 | } |
---|
| 137 | break; |
---|
| 138 | default: |
---|
| 139 | break; |
---|
| 140 | } |
---|
| 141 | |
---|
| 142 | return ret; |
---|
| 143 | } |
---|
| 144 | |
---|
| 145 | |
---|
| 146 | gboolean gst_roarmixer_factory_init (GstPlugin * plugin) { |
---|
| 147 | if (!gst_element_register(plugin, "roarmixer", GST_RANK_MARGINAL, |
---|
[2074] | 148 | GST_TYPE_ROAR_MIXER_ELEMENT)) |
---|
[2073] | 149 | return FALSE; |
---|
| 150 | |
---|
| 151 | return TRUE; |
---|
| 152 | } |
---|
| 153 | |
---|
[2076] | 154 | G_DEFINE_TYPE (GstRoarMixerTrack, gst_roarmixer_track, GST_TYPE_MIXER_TRACK); |
---|
| 155 | |
---|
[2070] | 156 | GstRoarMixer* gst_roarmixer_new (const gchar *device, |
---|
[2071] | 157 | GstRoarMixerDirection dir) { |
---|
| 158 | GstRoarMixer *ret = NULL; |
---|
| 159 | |
---|
[2076] | 160 | ROAR_WARN("gst_roarmixer_new(device='%s', dir=0x%.4x) = ?", device, dir); |
---|
| 161 | |
---|
[2071] | 162 | g_return_val_if_fail(device != NULL, NULL); |
---|
| 163 | |
---|
| 164 | ret = g_new0(GstRoarMixer, 1); |
---|
| 165 | |
---|
| 166 | ret->device = g_strdup(device); |
---|
| 167 | ret->dir = dir; |
---|
[2074] | 168 | ret->cardname = g_strdup("RoarAudio Default Device"); |
---|
[2071] | 169 | |
---|
| 170 | /* |
---|
| 171 | if (!gst_ossmixer_open (ret)) |
---|
| 172 | goto error; |
---|
| 173 | */ |
---|
| 174 | |
---|
| 175 | if ( roar_simple_connect(&(ret->con), NULL, "gstroarmixer") == -1 ) |
---|
| 176 | goto error; |
---|
| 177 | |
---|
[2076] | 178 | ROAR_WARN("gst_roarmixer_new(device='%s', dir=0x%.4x) = %p", device, dir, ret); |
---|
[2071] | 179 | return ret; |
---|
| 180 | |
---|
| 181 | error: |
---|
| 182 | if (ret) |
---|
| 183 | gst_roarmixer_free (ret); |
---|
| 184 | |
---|
[2076] | 185 | ROAR_WARN("gst_roarmixer_new(device='%s', dir=0x%.4x) = NULL // Error?", device, dir); |
---|
[2071] | 186 | return NULL; |
---|
| 187 | } |
---|
[2070] | 188 | |
---|
[2071] | 189 | void gst_roarmixer_free (GstRoarMixer *mixer) { |
---|
| 190 | g_return_if_fail(mixer != NULL); |
---|
| 191 | |
---|
[2076] | 192 | ROAR_WARN("gst_roarmixer_free(mixer=%p) = ?", mixer); |
---|
| 193 | |
---|
[2071] | 194 | if (mixer->device) { |
---|
| 195 | g_free(mixer->device); |
---|
| 196 | mixer->device = NULL; |
---|
| 197 | } |
---|
| 198 | |
---|
| 199 | if (mixer->cardname) { |
---|
| 200 | g_free(mixer->cardname); |
---|
| 201 | mixer->cardname = NULL; |
---|
| 202 | } |
---|
| 203 | |
---|
| 204 | if (mixer->tracklist) { |
---|
| 205 | g_list_foreach(mixer->tracklist, (GFunc) g_object_unref, NULL); |
---|
| 206 | g_list_free(mixer->tracklist); |
---|
| 207 | mixer->tracklist = NULL; |
---|
| 208 | } |
---|
| 209 | |
---|
| 210 | roar_disconnect(&(mixer->con)); |
---|
| 211 | |
---|
| 212 | g_free (mixer); |
---|
[2076] | 213 | |
---|
| 214 | ROAR_WARN("gst_roarmixer_free(mixer=%p) = (void)", mixer); |
---|
[2071] | 215 | } |
---|
| 216 | |
---|
[2072] | 217 | /* unused with G_DISABLE_* */ |
---|
| 218 | static G_GNUC_UNUSED gboolean gst_roarmixer_contains_track (GstRoarMixer * mixer, |
---|
| 219 | GstRoarMixerTrack * roartrack) { |
---|
| 220 | const GList *item; |
---|
| 221 | |
---|
| 222 | for (item = mixer->tracklist; item != NULL; item = item->next) |
---|
| 223 | if (item->data == roartrack) |
---|
| 224 | return TRUE; |
---|
| 225 | |
---|
| 226 | return FALSE; |
---|
| 227 | } |
---|
| 228 | |
---|
[2076] | 229 | void gst_roarmixer_updatestreamlist (GstRoarMixer *mixer) { |
---|
| 230 | gint i = 0; |
---|
[2077] | 231 | gint num; |
---|
| 232 | gint id[ROAR_STREAMS_MAX]; |
---|
[2076] | 233 | GstMixerTrack *track; |
---|
| 234 | |
---|
| 235 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p) = ?", mixer); |
---|
| 236 | |
---|
| 237 | if (mixer->tracklist) { |
---|
| 238 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p) = (void)", mixer); |
---|
| 239 | return; |
---|
| 240 | } |
---|
| 241 | |
---|
[2077] | 242 | if ( (num = roar_list_streams(&(mixer->con), id, ROAR_STREAMS_MAX)) == -1 ) { |
---|
| 243 | return; |
---|
| 244 | } |
---|
| 245 | |
---|
| 246 | |
---|
| 247 | for (i = 0; i < num; i++) { |
---|
| 248 | track = gst_roarmixer_track_new(mixer, id[i]); |
---|
| 249 | mixer->tracklist = g_list_append(mixer->tracklist, track); |
---|
| 250 | } |
---|
[2076] | 251 | |
---|
| 252 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p) = (void)", mixer); |
---|
| 253 | } |
---|
| 254 | |
---|
[2071] | 255 | const GList* gst_roarmixer_list_tracks (GstRoarMixer * mixer) { |
---|
[2076] | 256 | ROAR_WARN("gst_roarmixer_list_tracks(mixer=%p) = ?", mixer); |
---|
| 257 | |
---|
| 258 | gst_roarmixer_updatestreamlist(mixer); |
---|
| 259 | |
---|
[2071] | 260 | return (const GList *) mixer->tracklist; |
---|
| 261 | } |
---|
| 262 | |
---|
[2070] | 263 | void gst_roarmixer_set_volume (GstRoarMixer * mixer, |
---|
| 264 | GstMixerTrack * track, |
---|
[2071] | 265 | gint * volumes) { |
---|
| 266 | } |
---|
[2070] | 267 | void gst_roarmixer_get_volume (GstRoarMixer * mixer, |
---|
| 268 | GstMixerTrack * track, |
---|
[2071] | 269 | gint * volumes) { |
---|
[2077] | 270 | GstRoarMixerTrack *roartrack = GST_ROARMIXER_TRACK(track); |
---|
| 271 | int channels; |
---|
| 272 | struct roar_mixer_settings m; |
---|
| 273 | gint i; |
---|
| 274 | |
---|
| 275 | |
---|
| 276 | g_return_if_fail(gst_roarmixer_contains_track(mixer, roartrack)); |
---|
| 277 | |
---|
| 278 | if ( roar_get_vol(&(mixer->con), roartrack->stream_id, &m, &channels) == -1 ) { |
---|
| 279 | fprintf(stderr, "Error: can not get stream mixer info\n"); |
---|
| 280 | return; |
---|
| 281 | } |
---|
| 282 | |
---|
| 283 | if ( channels != track->num_channels ) { |
---|
| 284 | ROAR_WARN("gst_roarmixer_get_volume(*): numer of channels for stream %i mismatch", roartrack->stream_id); |
---|
| 285 | |
---|
| 286 | if ( track->num_channels < channels ) |
---|
| 287 | channels = track->num_channels; |
---|
| 288 | } |
---|
| 289 | |
---|
| 290 | for (i = 0; i < channels; i++) { |
---|
| 291 | volumes[i] = m.mixer[i]; |
---|
| 292 | } |
---|
[2071] | 293 | } |
---|
[2070] | 294 | void gst_roarmixer_set_record (GstRoarMixer * mixer, |
---|
| 295 | GstMixerTrack * track, |
---|
[2071] | 296 | gboolean record) { |
---|
| 297 | } |
---|
[2070] | 298 | void gst_roarmixer_set_mute (GstRoarMixer * mixer, |
---|
| 299 | GstMixerTrack * track, |
---|
[2071] | 300 | gboolean mute) { |
---|
[2077] | 301 | GstRoarMixerTrack *roartrack = GST_ROARMIXER_TRACK(track); |
---|
| 302 | struct roar_stream s; |
---|
| 303 | |
---|
| 304 | g_return_if_fail(gst_roarmixer_contains_track(mixer, roartrack)); |
---|
| 305 | |
---|
| 306 | roar_stream_new_by_id(&s, roartrack->stream_id); |
---|
| 307 | |
---|
| 308 | if (mute) { |
---|
| 309 | roar_stream_set_flags(&(mixer->con), &s, ROAR_FLAG_MUTE, ROAR_SET_FLAG); |
---|
| 310 | } else { |
---|
| 311 | roar_stream_set_flags(&(mixer->con), &s, ROAR_FLAG_MUTE, ROAR_RESET_FLAG); |
---|
| 312 | } |
---|
[2071] | 313 | } |
---|
[2070] | 314 | |
---|
[2076] | 315 | // tracks: |
---|
| 316 | #define MASK_BIT_IS_SET(mask, bit) \ |
---|
| 317 | (mask & (1 << bit)) |
---|
| 318 | |
---|
| 319 | static void |
---|
| 320 | gst_roarmixer_track_class_init (GstRoarMixerTrackClass * klass) |
---|
| 321 | { |
---|
| 322 | /* nop */ |
---|
| 323 | } |
---|
| 324 | |
---|
| 325 | static void |
---|
| 326 | gst_roarmixer_track_init (GstRoarMixerTrack * track) |
---|
| 327 | { |
---|
| 328 | //memset(track, 0, sizeof(*track)); |
---|
| 329 | track->stream_id = -1; |
---|
| 330 | } |
---|
| 331 | |
---|
| 332 | GstMixerTrack * |
---|
| 333 | gst_roarmixer_track_new (GstRoarMixer * mixer, |
---|
[2077] | 334 | gint stream_id) |
---|
[2076] | 335 | { |
---|
| 336 | GstRoarMixerTrack *roartrack; |
---|
| 337 | GstMixerTrack *track; |
---|
[2077] | 338 | struct roar_stream s; |
---|
| 339 | gint flags = 0; |
---|
| 340 | gchar buf[1024]; |
---|
[2076] | 341 | |
---|
[2077] | 342 | ROAR_WARN("gst_roarmixer_track_new(mixer=%p, stream_id=%i) = ?", mixer, stream_id); |
---|
| 343 | |
---|
| 344 | if ( roar_get_stream(&(mixer->con), &s, stream_id) == -1 ) { |
---|
| 345 | return NULL; |
---|
| 346 | } |
---|
[2076] | 347 | |
---|
[2077] | 348 | switch (s.dir) { |
---|
| 349 | case ROAR_DIR_PLAY: |
---|
| 350 | flags |= GST_MIXER_TRACK_OUTPUT; |
---|
| 351 | break; |
---|
| 352 | case ROAR_DIR_OUTPUT: |
---|
| 353 | flags |= GST_MIXER_TRACK_MASTER; |
---|
| 354 | case ROAR_DIR_MONITOR: |
---|
| 355 | flags |= GST_MIXER_TRACK_OUTPUT; |
---|
| 356 | break; |
---|
| 357 | } |
---|
| 358 | |
---|
| 359 | sprintf(buf, "Stream %i", stream_id); |
---|
| 360 | |
---|
| 361 | roartrack = g_object_new(GST_TYPE_ROARMIXER_TRACK, NULL); |
---|
[2076] | 362 | ROAR_WARN("gst_roarmixer_track_new(*): roartrack=%p", roartrack); |
---|
[2077] | 363 | track = GST_MIXER_TRACK(roartrack); |
---|
| 364 | track->label = g_strdup(buf); |
---|
| 365 | track->num_channels = s.info.channels; |
---|
| 366 | track->flags = flags; |
---|
| 367 | track->min_volume = 0; |
---|
| 368 | track->max_volume = 65535; |
---|
[2076] | 369 | roartrack->stream_id = stream_id; |
---|
| 370 | |
---|
| 371 | /* volume */ |
---|
[2077] | 372 | ROAR_WARN("gst_roarmixer_track_new(mixer=%p, stream_id=%i) = %p", mixer, stream_id, track); |
---|
[2076] | 373 | return track; |
---|
| 374 | } |
---|
| 375 | |
---|
[2070] | 376 | //ll |
---|