[1600] | 1 | //roarsink.c: |
---|
| 2 | /* GStreamer |
---|
| 3 | * Copyright (C) <2005> Arwed v. Merkatz <v.merkatz@gmx.net> |
---|
[5381] | 4 | * Copyright (C) <2008-2012> Philipp 'ph3-der-loewe' Schafft |
---|
[1600] | 5 | * <lion@lion.leolix.org> |
---|
| 6 | * |
---|
| 7 | * Roughly based on the gstreamer 0.8 esdsink plugin: |
---|
| 8 | * Copyright (C) <2001> Richard Boulton <richard-gst@tartarus.org> |
---|
| 9 | * |
---|
| 10 | * roarsink.c: an RoarAudio audio sink |
---|
| 11 | * |
---|
| 12 | * This library is free software; you can redistribute it and/or |
---|
| 13 | * modify it under the terms of the GNU Library General Public |
---|
| 14 | * License as published by the Free Software Foundation; either |
---|
| 15 | * version 2 of the License, or (at your option) any later version. |
---|
| 16 | * |
---|
| 17 | * This library is distributed in the hope that it will be useful, |
---|
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
| 20 | * Library General Public License for more details. |
---|
| 21 | * |
---|
| 22 | * You should have received a copy of the GNU Library General Public |
---|
| 23 | * License along with this library; if not, write to the |
---|
[4023] | 24 | * Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
[1600] | 25 | * Boston, MA 02111-1307, USA. |
---|
| 26 | */ |
---|
| 27 | |
---|
| 28 | |
---|
| 29 | #ifdef HAVE_CONFIG_H |
---|
| 30 | #include "config.h" |
---|
| 31 | #endif |
---|
| 32 | |
---|
| 33 | #include "roarsink.h" |
---|
| 34 | #include <unistd.h> |
---|
| 35 | #include <errno.h> |
---|
| 36 | |
---|
| 37 | #define _(x) (x) |
---|
| 38 | |
---|
| 39 | //#include <gst/gst-i18n-plugin.h> |
---|
| 40 | |
---|
| 41 | #ifndef ROAR_MAX_WRITE_SIZE |
---|
| 42 | #define ROAR_MAX_WRITE_SIZE (21 * 4096) |
---|
| 43 | #endif |
---|
| 44 | #define ROAR_BUF_SIZE 1764 /* this is dynamic for RoarAudio, use the most common value here for the moment */ |
---|
| 45 | |
---|
| 46 | //GST_DEBUG_CATEGORY_EXTERN (roar_debug); |
---|
| 47 | //#define GST_CAT_DEFAULT roar_debug |
---|
| 48 | |
---|
| 49 | /* elementfactory information */ |
---|
| 50 | static const GstElementDetails roarsink_details = |
---|
| 51 | GST_ELEMENT_DETAILS("RoarAudio audio sink", |
---|
| 52 | "Sink/Audio", |
---|
| 53 | "Plays audio to an RoarAudio server", |
---|
| 54 | "Philipp 'ph3-der-loewe' Schafft <lion@lion.leolix.org>"); |
---|
| 55 | |
---|
| 56 | enum |
---|
| 57 | { |
---|
| 58 | PROP_0, |
---|
[4662] | 59 | PROP_HOST, |
---|
| 60 | PROP_ROLE, |
---|
| 61 | PROP_VOLUME, |
---|
| 62 | PROP_MUTE |
---|
[1600] | 63 | }; |
---|
| 64 | |
---|
[2558] | 65 | #define _QM(x) #x |
---|
| 66 | #define QM(x) _QM(x) |
---|
| 67 | |
---|
[1600] | 68 | static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE("sink", |
---|
| 69 | GST_PAD_SINK, |
---|
| 70 | GST_PAD_ALWAYS, |
---|
[2559] | 71 | GST_STATIC_CAPS( |
---|
[2562] | 72 | "audio/x-alaw, " |
---|
| 73 | "rate = (int) [ 1, MAX ], " |
---|
| 74 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]; " |
---|
| 75 | |
---|
| 76 | "audio/x-mulaw, " |
---|
| 77 | "rate = (int) [ 1, MAX ], " |
---|
| 78 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]; " |
---|
| 79 | |
---|
[4662] | 80 | // "audio/x-flac; " |
---|
| 81 | |
---|
| 82 | "audio/x-gsm; " |
---|
| 83 | |
---|
| 84 | // "application/ogg; " |
---|
| 85 | |
---|
| 86 | // "audio/x-wav; " |
---|
| 87 | |
---|
[2566] | 88 | /* |
---|
[2559] | 89 | "audio/x-raw-int, " |
---|
[2561] | 90 | "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, " |
---|
| 91 | "signed = (boolean) { true, false }, " |
---|
[2560] | 92 | "width = (int) 32, " |
---|
| 93 | "depth = (int) 32, " |
---|
| 94 | "rate = (int) [ 1, MAX ], " |
---|
| 95 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]; " |
---|
[2566] | 96 | */ |
---|
[2560] | 97 | |
---|
[2563] | 98 | /* |
---|
[2560] | 99 | "audio/x-raw-int, " |
---|
[2561] | 100 | "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, " |
---|
| 101 | "signed = (boolean) { true, false }, " |
---|
[2560] | 102 | "width = (int) 24, " |
---|
| 103 | "depth = (int) 24, " |
---|
| 104 | "rate = (int) [ 1, MAX ], " |
---|
| 105 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]; " |
---|
[2563] | 106 | */ |
---|
[2560] | 107 | |
---|
| 108 | "audio/x-raw-int, " |
---|
[2561] | 109 | "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, " |
---|
| 110 | "signed = (boolean) { true, false }, " |
---|
[1600] | 111 | "width = (int) 16, " |
---|
| 112 | "depth = (int) 16, " |
---|
| 113 | "rate = (int) [ 1, MAX ], " |
---|
[2558] | 114 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]; " |
---|
[2557] | 115 | |
---|
[1600] | 116 | "audio/x-raw-int, " |
---|
| 117 | "signed = (boolean) { true, false }, " |
---|
| 118 | "width = (int) 8, " |
---|
| 119 | "depth = (int) 8, " |
---|
[2557] | 120 | "rate = (int) [ 1, MAX ], " |
---|
[2558] | 121 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]" |
---|
[2557] | 122 | ) |
---|
[1600] | 123 | ); |
---|
| 124 | |
---|
[2558] | 125 | #undef _QM |
---|
| 126 | #undef QM |
---|
| 127 | |
---|
[1600] | 128 | static void gst_roarsink_finalize (GObject * object); |
---|
| 129 | |
---|
| 130 | static GstCaps *gst_roarsink_getcaps (GstBaseSink * bsink); |
---|
| 131 | |
---|
| 132 | static gboolean gst_roarsink_open (GstAudioSink * asink); |
---|
| 133 | static gboolean gst_roarsink_close (GstAudioSink * asink); |
---|
| 134 | static gboolean gst_roarsink_prepare (GstAudioSink * asink, |
---|
| 135 | GstRingBufferSpec * spec); |
---|
| 136 | static gboolean gst_roarsink_unprepare (GstAudioSink * asink); |
---|
| 137 | static guint gst_roarsink_write (GstAudioSink * asink, gpointer data, |
---|
| 138 | guint length); |
---|
| 139 | static guint gst_roarsink_delay (GstAudioSink * asink); |
---|
| 140 | static void gst_roarsink_reset (GstAudioSink * asink); |
---|
| 141 | |
---|
| 142 | static void gst_roarsink_set_property (GObject * object, guint prop_id, |
---|
| 143 | const GValue * value, GParamSpec * pspec); |
---|
| 144 | static void gst_roarsink_get_property (GObject * object, guint prop_id, |
---|
| 145 | GValue * value, GParamSpec * pspec); |
---|
| 146 | |
---|
| 147 | GST_BOILERPLATE (GstRoarSink, gst_roarsink, GstAudioSink, GST_TYPE_AUDIO_SINK); |
---|
| 148 | |
---|
| 149 | static void gst_roarsink_base_init (gpointer g_class) { |
---|
| 150 | GstElementClass *element_class = GST_ELEMENT_CLASS(g_class); |
---|
| 151 | |
---|
| 152 | gst_element_class_add_pad_template(element_class, |
---|
| 153 | gst_static_pad_template_get(&sink_factory)); |
---|
| 154 | gst_element_class_set_details(element_class, &roarsink_details); |
---|
| 155 | } |
---|
| 156 | |
---|
| 157 | static void gst_roarsink_class_init (GstRoarSinkClass * klass) { |
---|
| 158 | GObjectClass *gobject_class; |
---|
| 159 | GstBaseSinkClass *gstbasesink_class; |
---|
| 160 | GstBaseAudioSinkClass *gstbaseaudiosink_class; |
---|
| 161 | GstAudioSinkClass *gstaudiosink_class; |
---|
| 162 | |
---|
| 163 | gobject_class = (GObjectClass *) klass; |
---|
| 164 | gstbasesink_class = (GstBaseSinkClass *) klass; |
---|
| 165 | gstbaseaudiosink_class = (GstBaseAudioSinkClass *) klass; |
---|
| 166 | gstaudiosink_class = (GstAudioSinkClass *) klass; |
---|
| 167 | |
---|
| 168 | parent_class = g_type_class_peek_parent(klass); |
---|
| 169 | |
---|
| 170 | gobject_class->finalize = gst_roarsink_finalize; |
---|
| 171 | |
---|
| 172 | gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR(gst_roarsink_getcaps); |
---|
| 173 | |
---|
| 174 | gstaudiosink_class->open = GST_DEBUG_FUNCPTR(gst_roarsink_open); |
---|
| 175 | gstaudiosink_class->close = GST_DEBUG_FUNCPTR(gst_roarsink_close); |
---|
| 176 | gstaudiosink_class->prepare = GST_DEBUG_FUNCPTR(gst_roarsink_prepare); |
---|
| 177 | gstaudiosink_class->unprepare = GST_DEBUG_FUNCPTR(gst_roarsink_unprepare); |
---|
| 178 | gstaudiosink_class->write = GST_DEBUG_FUNCPTR(gst_roarsink_write); |
---|
| 179 | gstaudiosink_class->delay = GST_DEBUG_FUNCPTR(gst_roarsink_delay); |
---|
| 180 | gstaudiosink_class->reset = GST_DEBUG_FUNCPTR(gst_roarsink_reset); |
---|
| 181 | |
---|
| 182 | gobject_class->set_property = gst_roarsink_set_property; |
---|
| 183 | gobject_class->get_property = gst_roarsink_get_property; |
---|
| 184 | |
---|
| 185 | /* default value is filled in the _init method */ |
---|
| 186 | g_object_class_install_property(gobject_class, PROP_HOST, |
---|
| 187 | g_param_spec_string("host", "Host", |
---|
[4662] | 188 | "The server/host running the RoarAudio daemon", NULL, G_PARAM_READWRITE)); |
---|
| 189 | g_object_class_install_property(gobject_class, PROP_HOST, |
---|
| 190 | g_param_spec_string("server", "Server", |
---|
| 191 | "The server/host running the RoarAudio daemon", NULL, G_PARAM_READWRITE)); |
---|
| 192 | g_object_class_install_property(gobject_class, PROP_ROLE, |
---|
| 193 | g_param_spec_string("role", "Role", |
---|
| 194 | "The stream role", NULL, G_PARAM_READWRITE)); |
---|
| 195 | g_object_class_install_property(gobject_class, PROP_VOLUME, |
---|
| 196 | g_param_spec_float("volume", "Volume", |
---|
| 197 | "The stream volume (0.0 to 1.0)", 0.0, 1.0, 1.0, G_PARAM_READWRITE)); |
---|
| 198 | g_object_class_install_property(gobject_class, PROP_MUTE, |
---|
| 199 | g_param_spec_boolean("mute", "Mute", |
---|
| 200 | "The mute state of the stream", FALSE, G_PARAM_READWRITE)); |
---|
[1600] | 201 | } |
---|
| 202 | |
---|
| 203 | static void gst_roarsink_init (GstRoarSink * roarsink, GstRoarSinkClass * klass) { |
---|
[4662] | 204 | roarsink->vss = NULL; |
---|
[1600] | 205 | roarsink->host = NULL; |
---|
[4662] | 206 | roarsink->role = NULL; |
---|
| 207 | roarsink->volume = -1; |
---|
| 208 | roarsink->mute = ROAR_VS_ASK; |
---|
[1600] | 209 | } |
---|
| 210 | |
---|
| 211 | static void gst_roarsink_finalize (GObject * object) { |
---|
| 212 | GstRoarSink *roarsink = GST_ROARSINK(object); |
---|
| 213 | |
---|
| 214 | gst_caps_replace(&roarsink->cur_caps, NULL); |
---|
| 215 | if ( roarsink->host != NULL ) |
---|
| 216 | g_free(roarsink->host); |
---|
[4662] | 217 | if ( roarsink->role != NULL ) |
---|
| 218 | g_free(roarsink->role); |
---|
[1600] | 219 | |
---|
| 220 | G_OBJECT_CLASS(parent_class)->finalize(object); |
---|
| 221 | } |
---|
| 222 | |
---|
| 223 | static GstCaps * gst_roarsink_getcaps (GstBaseSink * bsink) { |
---|
| 224 | GstRoarSink *roarsink; |
---|
| 225 | |
---|
| 226 | roarsink = GST_ROARSINK(bsink); |
---|
| 227 | |
---|
| 228 | /* no fd, we're done with the template caps */ |
---|
[4662] | 229 | if (roarsink->vss == NULL || roarsink->cur_caps == NULL) { |
---|
[1600] | 230 | GST_LOG_OBJECT(roarsink, "getcaps called, returning template caps"); |
---|
| 231 | return NULL; |
---|
| 232 | } |
---|
| 233 | |
---|
| 234 | GST_LOG_OBJECT(roarsink, "returning %" GST_PTR_FORMAT, roarsink->cur_caps); |
---|
| 235 | |
---|
| 236 | return gst_caps_ref(roarsink->cur_caps); |
---|
| 237 | } |
---|
| 238 | |
---|
| 239 | static gboolean gst_roarsink_open(GstAudioSink * asink) { |
---|
| 240 | GstPadTemplate *pad_template; |
---|
| 241 | GstRoarSink *roarsink; |
---|
| 242 | gint i; |
---|
| 243 | struct roar_stream oinfo; |
---|
| 244 | |
---|
| 245 | roarsink = GST_ROARSINK(asink); |
---|
| 246 | |
---|
| 247 | GST_DEBUG_OBJECT(roarsink, "open"); |
---|
| 248 | |
---|
| 249 | /* now try to connect to any existing/running sound daemons */ |
---|
[4662] | 250 | if ( (roarsink->vss = roar_vs_new(roarsink->host, "gstreamer client", NULL)) == NULL ) |
---|
[1600] | 251 | goto couldnt_connect; |
---|
| 252 | |
---|
[5236] | 253 | if ( roar_server_oinfo(roar_vs_connection_obj(roarsink->vss, NULL), &oinfo, ROAR_DIR_PLAY) == -1 ) |
---|
[1600] | 254 | goto no_server_info; |
---|
| 255 | |
---|
| 256 | GST_INFO_OBJECT(roarsink, "got server info rate: %i", oinfo.info.rate); |
---|
| 257 | |
---|
| 258 | pad_template = gst_static_pad_template_get(&sink_factory); |
---|
| 259 | roarsink->cur_caps = gst_caps_copy(gst_pad_template_get_caps(pad_template)); |
---|
| 260 | |
---|
| 261 | for (i = 0; i < roarsink->cur_caps->structs->len; i++) { |
---|
| 262 | GstStructure *s; |
---|
| 263 | |
---|
| 264 | s = gst_caps_get_structure(roarsink->cur_caps, i); |
---|
| 265 | gst_structure_set(s, "rate", G_TYPE_INT, oinfo.info.rate, NULL); |
---|
| 266 | } |
---|
| 267 | |
---|
| 268 | GST_INFO_OBJECT(roarsink, "server caps: %" GST_PTR_FORMAT, roarsink->cur_caps); |
---|
| 269 | |
---|
| 270 | return TRUE; |
---|
| 271 | |
---|
| 272 | /* ERRORS */ |
---|
| 273 | couldnt_connect: |
---|
| 274 | { |
---|
| 275 | GST_ELEMENT_ERROR(roarsink, RESOURCE, OPEN_WRITE, |
---|
| 276 | (_("Could not establish connection to sound server")), |
---|
[2565] | 277 | ("can't open connection to RoarAudio server")); |
---|
[1600] | 278 | return FALSE; |
---|
| 279 | } |
---|
| 280 | no_server_info: |
---|
| 281 | { |
---|
| 282 | GST_ELEMENT_ERROR(roarsink, RESOURCE, OPEN_WRITE, |
---|
| 283 | (_("Failed to query sound server capabilities")), |
---|
| 284 | ("couldn't get server info!")); |
---|
| 285 | return FALSE; |
---|
| 286 | } |
---|
| 287 | } |
---|
| 288 | |
---|
| 289 | static gboolean gst_roarsink_close (GstAudioSink * asink) { |
---|
| 290 | GstRoarSink *roarsink = GST_ROARSINK(asink); |
---|
| 291 | |
---|
| 292 | GST_DEBUG_OBJECT(roarsink, "close"); |
---|
| 293 | |
---|
| 294 | gst_caps_replace(&roarsink->cur_caps, NULL); |
---|
| 295 | |
---|
[4662] | 296 | roar_vs_close(roarsink->vss, ROAR_VS_FALSE, NULL); |
---|
| 297 | roarsink->vss = NULL; |
---|
[1600] | 298 | |
---|
| 299 | return TRUE; |
---|
| 300 | } |
---|
| 301 | |
---|
| 302 | static gboolean gst_roarsink_prepare (GstAudioSink * asink, GstRingBufferSpec * spec) { |
---|
| 303 | GstRoarSink *roarsink = GST_ROARSINK(asink); |
---|
[4662] | 304 | struct roar_audio_info info; |
---|
| 305 | |
---|
| 306 | info.codec = ROAR_CODEC_DEFAULT; |
---|
| 307 | info.bits = spec->depth; |
---|
| 308 | info.rate = spec->rate; |
---|
| 309 | info.channels = spec->channels; |
---|
[1600] | 310 | |
---|
| 311 | GST_DEBUG_OBJECT(roarsink, "prepare"); |
---|
| 312 | |
---|
| 313 | |
---|
[2565] | 314 | GST_INFO_OBJECT(roarsink, "attempting to open data connection to RoarAudio server"); |
---|
[1600] | 315 | |
---|
[2561] | 316 | switch (spec->type) { |
---|
| 317 | case GST_BUFTYPE_LINEAR: |
---|
| 318 | switch (spec->sign) { |
---|
| 319 | case TRUE: |
---|
| 320 | switch (spec->bigend) { |
---|
[4662] | 321 | case TRUE: info.codec = ROAR_CODEC_PCM_S_BE; break; |
---|
| 322 | case FALSE: info.codec = ROAR_CODEC_PCM_S_LE; break; |
---|
[2561] | 323 | default: return FALSE; break; |
---|
| 324 | } |
---|
| 325 | break; |
---|
| 326 | case FALSE: |
---|
| 327 | switch (spec->bigend) { |
---|
[4662] | 328 | case TRUE: info.codec = ROAR_CODEC_PCM_U_BE; break; |
---|
| 329 | case FALSE: info.codec = ROAR_CODEC_PCM_U_LE; break; |
---|
[2561] | 330 | default: return FALSE; break; |
---|
| 331 | } |
---|
| 332 | break; |
---|
| 333 | default: return FALSE; break; |
---|
| 334 | } |
---|
| 335 | break; |
---|
[2562] | 336 | case GST_BUFTYPE_A_LAW: |
---|
[4662] | 337 | info.codec = ROAR_CODEC_ALAW; |
---|
| 338 | info.bits = 8; |
---|
[2562] | 339 | break; |
---|
| 340 | case GST_BUFTYPE_MU_LAW: |
---|
[4662] | 341 | info.codec = ROAR_CODEC_MULAW; |
---|
| 342 | info.bits = 8; |
---|
| 343 | break; |
---|
| 344 | case GST_BUFTYPE_GSM: |
---|
| 345 | info.codec = ROAR_CODEC_GSM; |
---|
| 346 | info.bits = 0; |
---|
[2562] | 347 | break; |
---|
[2561] | 348 | default: |
---|
| 349 | return FALSE; |
---|
| 350 | } |
---|
| 351 | |
---|
[4662] | 352 | if ( roar_vs_stream(roarsink->vss, &info, ROAR_DIR_PLAY, NULL) == -1 ) |
---|
[1600] | 353 | goto cannot_open; |
---|
| 354 | |
---|
[4662] | 355 | // apply parameters: |
---|
| 356 | if ( roarsink->mute != ROAR_VS_ASK && roar_vs_mute(roarsink->vss, roarsink->mute, NULL) == -1 ) { |
---|
| 357 | goto cannot_open; |
---|
| 358 | } |
---|
| 359 | if ( roarsink->volume >= 0.0 && roar_vs_volume_mono(roarsink->vss, roarsink->volume, NULL) == -1 ) { |
---|
| 360 | goto cannot_open; |
---|
| 361 | } |
---|
[1600] | 362 | |
---|
[4662] | 363 | /* get server info */ |
---|
[1600] | 364 | spec->segsize = ROAR_BUF_SIZE; |
---|
| 365 | spec->segtotal = (ROAR_MAX_WRITE_SIZE / spec->segsize); |
---|
| 366 | |
---|
| 367 | /* FIXME: this is wrong for signed ints (and the |
---|
| 368 | * audioringbuffers should do it for us anyway) */ |
---|
[4662] | 369 | spec->bytes_per_sample = roar_info2framesize(&info) / 8; |
---|
[2564] | 370 | memset(&(spec->silence_sample), 0, sizeof(spec->silence_sample)); |
---|
[1600] | 371 | |
---|
[2565] | 372 | GST_INFO_OBJECT(roarsink, "successfully opened connection to RoarAudio server"); |
---|
[1600] | 373 | |
---|
| 374 | return TRUE; |
---|
| 375 | |
---|
| 376 | /* ERRORS */ |
---|
| 377 | cannot_open: |
---|
| 378 | { |
---|
| 379 | GST_ELEMENT_ERROR(roarsink, RESOURCE, OPEN_WRITE, |
---|
| 380 | (_("Could not establish connection to sound server")), |
---|
| 381 | ("can't open connection to RoarAudio server")); |
---|
| 382 | return FALSE; |
---|
| 383 | } |
---|
| 384 | } |
---|
| 385 | |
---|
| 386 | static gboolean gst_roarsink_unprepare (GstAudioSink * asink) { |
---|
| 387 | GstRoarSink *roarsink = GST_ROARSINK(asink); |
---|
| 388 | |
---|
[4662] | 389 | if (roarsink->vss == NULL) |
---|
[1600] | 390 | return TRUE; |
---|
| 391 | |
---|
[4662] | 392 | roar_vs_close(roarsink->vss, ROAR_VS_FALSE, NULL); |
---|
| 393 | roarsink->vss = NULL; |
---|
[1600] | 394 | |
---|
| 395 | GST_INFO_OBJECT(roarsink, "closed sound device"); |
---|
| 396 | |
---|
| 397 | return TRUE; |
---|
| 398 | } |
---|
| 399 | |
---|
| 400 | |
---|
| 401 | static guint gst_roarsink_write (GstAudioSink * asink, gpointer data, guint length) { |
---|
| 402 | GstRoarSink *roarsink = GST_ROARSINK(asink); |
---|
| 403 | gint to_write = 0; |
---|
| 404 | |
---|
| 405 | to_write = length; |
---|
| 406 | |
---|
| 407 | while (to_write > 0) { |
---|
[4662] | 408 | ssize_t done; |
---|
[1600] | 409 | |
---|
[4662] | 410 | done = roar_vs_write(roarsink->vss, data, to_write, NULL); |
---|
[1600] | 411 | |
---|
| 412 | if (done < 0) |
---|
| 413 | goto write_error; |
---|
| 414 | |
---|
| 415 | to_write -= done; |
---|
| 416 | data += done; |
---|
| 417 | } |
---|
| 418 | return length; |
---|
| 419 | |
---|
| 420 | /* ERRORS */ |
---|
| 421 | write_error: |
---|
| 422 | { |
---|
| 423 | GST_ELEMENT_ERROR(roarsink, RESOURCE, WRITE, |
---|
| 424 | ("Failed to write data to the RoarAudio daemon"), GST_ERROR_SYSTEM); |
---|
| 425 | return 0; |
---|
| 426 | } |
---|
| 427 | } |
---|
| 428 | |
---|
| 429 | static guint gst_roarsink_delay (GstAudioSink * asink) { |
---|
| 430 | // GstRoarSink *roarsink = GST_ROARSINK (asink); |
---|
| 431 | guint latency; |
---|
| 432 | |
---|
| 433 | latency = 441; // compile type depending and link level deppendent, |
---|
| 434 | // use default value for local operations here for the moment |
---|
| 435 | |
---|
| 436 | GST_DEBUG_OBJECT(asink, "got latency: %u", latency); |
---|
| 437 | |
---|
| 438 | return latency; |
---|
| 439 | } |
---|
| 440 | |
---|
| 441 | static void gst_roarsink_reset (GstAudioSink * asink) { |
---|
| 442 | GST_DEBUG_OBJECT(asink, "reset called"); |
---|
| 443 | } |
---|
| 444 | |
---|
| 445 | static void gst_roarsink_set_property (GObject * object, guint prop_id, const GValue * value, |
---|
| 446 | GParamSpec * pspec) { |
---|
| 447 | GstRoarSink *roarsink = GST_ROARSINK(object); |
---|
| 448 | |
---|
| 449 | switch (prop_id) { |
---|
| 450 | case PROP_HOST: |
---|
| 451 | if ( roarsink->host != NULL ) |
---|
| 452 | g_free(roarsink->host); |
---|
| 453 | roarsink->host = g_value_dup_string(value); |
---|
| 454 | break; |
---|
[4662] | 455 | case PROP_ROLE: |
---|
| 456 | if ( roarsink->role != NULL ) |
---|
| 457 | g_free(roarsink->role); |
---|
| 458 | roarsink->role = g_value_dup_string(value); |
---|
| 459 | break; |
---|
| 460 | case PROP_VOLUME: |
---|
| 461 | roarsink->volume = (float)g_value_get_float(value); |
---|
| 462 | |
---|
| 463 | if ( roarsink->vss == NULL ) |
---|
| 464 | return; |
---|
| 465 | |
---|
| 466 | roar_vs_volume_mono(roarsink->vss, roarsink->volume, NULL); |
---|
| 467 | break; |
---|
| 468 | case PROP_MUTE: |
---|
| 469 | if ( g_value_get_boolean(value) ) { |
---|
| 470 | roarsink->mute = ROAR_VS_TRUE; |
---|
| 471 | } else { |
---|
| 472 | roarsink->mute = ROAR_VS_FALSE; |
---|
| 473 | } |
---|
| 474 | |
---|
| 475 | if ( roarsink->vss == NULL ) |
---|
| 476 | return; |
---|
| 477 | |
---|
| 478 | roar_vs_mute(roarsink->vss, roarsink->mute, NULL); |
---|
| 479 | break; |
---|
[1600] | 480 | default: |
---|
| 481 | break; |
---|
| 482 | } |
---|
| 483 | } |
---|
| 484 | |
---|
| 485 | static void gst_roarsink_get_property (GObject * object, guint prop_id, GValue * value, |
---|
| 486 | GParamSpec * pspec) { |
---|
| 487 | GstRoarSink *roarsink = GST_ROARSINK(object); |
---|
[4662] | 488 | float l, r; |
---|
| 489 | int ret; |
---|
[1600] | 490 | |
---|
| 491 | switch (prop_id) { |
---|
| 492 | case PROP_HOST: |
---|
| 493 | g_value_set_string(value, roarsink->host); |
---|
| 494 | break; |
---|
[4662] | 495 | case PROP_ROLE: |
---|
| 496 | g_value_set_string(value, roarsink->role); |
---|
| 497 | break; |
---|
| 498 | case PROP_VOLUME: |
---|
| 499 | if ( roarsink->vss == NULL || roar_vs_volume_get(roarsink->vss, &l, &r, NULL) == -1 ) { |
---|
| 500 | l = roarsink->volume >= 0.0 ? roarsink->volume : 1.0; |
---|
| 501 | } else { |
---|
| 502 | l = (l + r)/2; |
---|
| 503 | roarsink->volume = l; |
---|
| 504 | } |
---|
| 505 | g_value_set_float(value, l); |
---|
| 506 | break; |
---|
| 507 | case PROP_MUTE: |
---|
| 508 | if ( roarsink->vss == NULL || (ret = roar_vs_mute(roarsink->vss, ROAR_VS_ASK, NULL)) == -1 ) { |
---|
| 509 | ret = roarsink->mute != ROAR_VS_ASK ? roarsink->mute : ROAR_VS_FALSE; |
---|
| 510 | } else { |
---|
| 511 | roarsink->mute = ret; |
---|
| 512 | } |
---|
| 513 | |
---|
| 514 | g_value_set_boolean(value, ret == ROAR_VS_TRUE ? TRUE : FALSE); |
---|
| 515 | break; |
---|
[1600] | 516 | default: |
---|
| 517 | G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); |
---|
| 518 | break; |
---|
| 519 | } |
---|
| 520 | } |
---|
| 521 | |
---|
| 522 | gboolean gst_roarsink_factory_init (GstPlugin * plugin) { |
---|
| 523 | if (!gst_element_register(plugin, "roarsink", GST_RANK_MARGINAL, |
---|
| 524 | GST_TYPE_ROARSINK)) |
---|
| 525 | return FALSE; |
---|
| 526 | |
---|
| 527 | return TRUE; |
---|
| 528 | } |
---|