static void
gst_pulsesrc_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstPulseSrc *pulsesrc = GST_PULSESRC_CAST (object);
switch (prop_id) {
case PROP_SERVER:
g_free (pulsesrc->server);
pulsesrc->server = g_value_dup_string (value);
if (pulsesrc->probe)
gst_pulseprobe_set_server (pulsesrc->probe, pulsesrc->server);
break;
case PROP_DEVICE:
g_free (pulsesrc->device);
pulsesrc->device = g_value_dup_string (value);
break;
case PROP_CLIENT_NAME:
g_free (pulsesrc->client_name);
if (!g_value_get_string (value)) {
GST_WARNING_OBJECT (pulsesrc,
"Empty PulseAudio client name not allowed. Resetting to default value");
pulsesrc->client_name = gst_pulse_client_name ();
} else
pulsesrc->client_name = g_value_dup_string (value);
break;
case PROP_STREAM_PROPERTIES:
if (pulsesrc->properties)
gst_structure_free (pulsesrc->properties);
pulsesrc->properties =
gst_structure_copy (gst_value_get_structure (value));
if (pulsesrc->proplist)
pa_proplist_free (pulsesrc->proplist);
pulsesrc->proplist = gst_pulse_make_proplist (pulsesrc->properties);
break;
case PROP_VOLUME:
gst_pulsesrc_set_stream_volume (pulsesrc, g_value_get_double (value));
break;
case PROP_MUTE:
gst_pulsesrc_set_stream_mute (pulsesrc, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_pulsesrc_init (GstPulseSrc * pulsesrc)
{
pulsesrc->server = NULL;
pulsesrc->device = NULL;
pulsesrc->client_name = gst_pulse_client_name ();
pulsesrc->device_description = NULL;
pulsesrc->context = NULL;
pulsesrc->stream = NULL;
pulsesrc->stream_connected = FALSE;
pulsesrc->source_output_idx = PA_INVALID_INDEX;
pulsesrc->read_buffer = NULL;
pulsesrc->read_buffer_length = 0;
pa_sample_spec_init (&pulsesrc->sample_spec);
pulsesrc->operation_success = FALSE;
pulsesrc->paused = TRUE;
pulsesrc->in_read = FALSE;
pulsesrc->volume = DEFAULT_VOLUME;
pulsesrc->volume_set = FALSE;
pulsesrc->mute = DEFAULT_MUTE;
pulsesrc->mute_set = FALSE;
pulsesrc->notify = 0;
pulsesrc->properties = NULL;
pulsesrc->proplist = NULL;
pulsesrc->probe = gst_pulseprobe_new (G_OBJECT (pulsesrc), G_OBJECT_GET_CLASS (pulsesrc), PROP_DEVICE, pulsesrc->server, FALSE, TRUE); /* FALSE for sinks, TRUE for sources */
/* this should be the default but it isn't yet */
gst_audio_base_src_set_slave_method (GST_AUDIO_BASE_SRC (pulsesrc),
GST_AUDIO_BASE_SRC_SLAVE_SKEW);
/* override with a custom clock */
if (GST_AUDIO_BASE_SRC (pulsesrc)->clock)
gst_object_unref (GST_AUDIO_BASE_SRC (pulsesrc)->clock);
GST_AUDIO_BASE_SRC (pulsesrc)->clock =
gst_audio_clock_new ("GstPulseSrcClock",
(GstAudioClockGetTimeFunc) gst_pulsesrc_get_time, pulsesrc, NULL);
}
static void
gst_pulsesrc_init (GstPulseSrc * pulsesrc, GstPulseSrcClass * klass)
{
pulsesrc->server = NULL;
pulsesrc->device = NULL;
pulsesrc->client_name = gst_pulse_client_name ();
pulsesrc->device_description = NULL;
pulsesrc->context = NULL;
pulsesrc->stream = NULL;
pulsesrc->read_buffer = NULL;
pulsesrc->read_buffer_length = 0;
#ifdef HAVE_PULSE_0_9_13
pa_sample_spec_init (&pulsesrc->sample_spec);
#else
pulsesrc->sample_spec.format = PA_SAMPLE_INVALID;
pulsesrc->sample_spec.rate = 0;
pulsesrc->sample_spec.channels = 0;
#endif
pulsesrc->operation_success = FALSE;
pulsesrc->paused = FALSE;
pulsesrc->in_read = FALSE;
pulsesrc->mixer = NULL;
pulsesrc->properties = NULL;
pulsesrc->proplist = NULL;
pulsesrc->probe = gst_pulseprobe_new (G_OBJECT (pulsesrc), G_OBJECT_GET_CLASS (pulsesrc), PROP_DEVICE, pulsesrc->server, FALSE, TRUE); /* FALSE for sinks, TRUE for sources */
/* this should be the default but it isn't yet */
gst_base_audio_src_set_slave_method (GST_BASE_AUDIO_SRC (pulsesrc),
GST_BASE_AUDIO_SRC_SLAVE_SKEW);
}
static gboolean
gst_pulsesrc_open (GstAudioSrc * asrc)
{
GstPulseSrc *pulsesrc = GST_PULSESRC_CAST (asrc);
gchar *name = gst_pulse_client_name ();
pa_threaded_mainloop_lock (pulsesrc->mainloop);
g_assert (!pulsesrc->context);
g_assert (!pulsesrc->stream);
GST_DEBUG_OBJECT (pulsesrc, "opening device");
if (!(pulsesrc->context =
pa_context_new (pa_threaded_mainloop_get_api (pulsesrc->mainloop),
name))) {
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED, ("Failed to create context"),
(NULL));
goto unlock_and_fail;
}
pa_context_set_state_callback (pulsesrc->context,
gst_pulsesrc_context_state_cb, pulsesrc);
GST_DEBUG_OBJECT (pulsesrc, "connect to server %s",
GST_STR_NULL (pulsesrc->server));
if (pa_context_connect (pulsesrc->context, pulsesrc->server, 0, NULL) < 0) {
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED, ("Failed to connect: %s",
pa_strerror (pa_context_errno (pulsesrc->context))), (NULL));
goto unlock_and_fail;
}
for (;;) {
pa_context_state_t state;
state = pa_context_get_state (pulsesrc->context);
if (!PA_CONTEXT_IS_GOOD (state)) {
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED, ("Failed to connect: %s",
pa_strerror (pa_context_errno (pulsesrc->context))), (NULL));
goto unlock_and_fail;
}
if (state == PA_CONTEXT_READY)
break;
/* Wait until the context is ready */
pa_threaded_mainloop_wait (pulsesrc->mainloop);
}
GST_DEBUG_OBJECT (pulsesrc, "connected");
pa_threaded_mainloop_unlock (pulsesrc->mainloop);
g_free (name);
return TRUE;
/* ERRORS */
unlock_and_fail:
{
gst_pulsesrc_destroy_context (pulsesrc);
pa_threaded_mainloop_unlock (pulsesrc->mainloop);
g_free (name);
return FALSE;
}
}
static gboolean
gst_pulsemixer_ctrl_open (GstPulseMixerCtrl * c)
{
int e;
gchar *name = gst_pulse_client_name ();
pa_operation *o = NULL;
g_assert (c);
c->mainloop = pa_threaded_mainloop_new ();
g_assert (c->mainloop);
e = pa_threaded_mainloop_start (c->mainloop);
g_assert (e == 0);
pa_threaded_mainloop_lock (c->mainloop);
if (!(c->context =
pa_context_new (pa_threaded_mainloop_get_api (c->mainloop), name))) {
GST_WARNING_OBJECT (c->object, "Failed to create context");
goto unlock_and_fail;
}
pa_context_set_state_callback (c->context,
gst_pulsemixer_ctrl_context_state_cb, c);
pa_context_set_subscribe_callback (c->context,
gst_pulsemixer_ctrl_subscribe_cb, c);
if (pa_context_connect (c->context, c->server, 0, NULL) < 0) {
GST_WARNING_OBJECT (c->object, "Failed to connect context: %s",
pa_strerror (pa_context_errno (c->context)));
goto unlock_and_fail;
}
/* Wait until the context is ready */
pa_threaded_mainloop_wait (c->mainloop);
if (pa_context_get_state (c->context) != PA_CONTEXT_READY) {
GST_WARNING_OBJECT (c->object, "Failed to connect context: %s",
pa_strerror (pa_context_errno (c->context)));
goto unlock_and_fail;
}
/* Subscribe to events */
if (!(o =
pa_context_subscribe (c->context,
PA_SUBSCRIPTION_MASK_SINK | PA_SUBSCRIPTION_MASK_SOURCE,
gst_pulsemixer_ctrl_success_cb, c))) {
GST_WARNING_OBJECT (c->object, "Failed to subscribe to events: %s",
pa_strerror (pa_context_errno (c->context)));
goto unlock_and_fail;
}
c->operation_success = 0;
while (pa_operation_get_state (o) != PA_OPERATION_DONE) {
pa_threaded_mainloop_wait (c->mainloop);
CHECK_DEAD_GOTO (c, unlock_and_fail);
}
if (!c->operation_success) {
GST_WARNING_OBJECT (c->object, "Failed to subscribe to events: %s",
pa_strerror (pa_context_errno (c->context)));
goto unlock_and_fail;
}
pa_operation_unref (o);
o = NULL;
/* Get sink info */
if (c->type == GST_PULSEMIXER_UNKNOWN || c->type == GST_PULSEMIXER_SINK) {
if (!(o =
pa_context_get_sink_info_by_name (c->context, c->device,
gst_pulsemixer_ctrl_sink_info_cb, c))) {
GST_WARNING_OBJECT (c->object, "Failed to get sink info: %s",
pa_strerror (pa_context_errno (c->context)));
goto unlock_and_fail;
}
c->operation_success = 0;
while (pa_operation_get_state (o) != PA_OPERATION_DONE) {
pa_threaded_mainloop_wait (c->mainloop);
CHECK_DEAD_GOTO (c, unlock_and_fail);
}
pa_operation_unref (o);
o = NULL;
if (!c->operation_success && (c->type == GST_PULSEMIXER_SINK
|| pa_context_errno (c->context) != PA_ERR_NOENTITY)) {
GST_WARNING_OBJECT (c->object, "Failed to get sink info: %s",
pa_strerror (pa_context_errno (c->context)));
goto unlock_and_fail;
}
}
if (c->type == GST_PULSEMIXER_UNKNOWN || c->type == GST_PULSEMIXER_SOURCE) {
if (!(o =
pa_context_get_source_info_by_name (c->context, c->device,
gst_pulsemixer_ctrl_source_info_cb, c))) {
GST_WARNING_OBJECT (c->object, "Failed to get source info: %s",
pa_strerror (pa_context_errno (c->context)));
goto unlock_and_fail;
}
c->operation_success = 0;
while (pa_operation_get_state (o) != PA_OPERATION_DONE) {
pa_threaded_mainloop_wait (c->mainloop);
CHECK_DEAD_GOTO (c, unlock_and_fail);
}
pa_operation_unref (o);
o = NULL;
if (!c->operation_success) {
GST_WARNING_OBJECT (c->object, "Failed to get source info: %s",
pa_strerror (pa_context_errno (c->context)));
goto unlock_and_fail;
}
}
g_assert (c->type != GST_PULSEMIXER_UNKNOWN);
c->track = gst_pulsemixer_track_new (c);
c->tracklist = g_list_append (c->tracklist, c->track);
pa_threaded_mainloop_unlock (c->mainloop);
g_free (name);
return TRUE;
unlock_and_fail:
if (o)
pa_operation_unref (o);
if (c->mainloop)
pa_threaded_mainloop_unlock (c->mainloop);
g_free (name);
return FALSE;
}
static void
gst_pulsesrc_class_init (GstPulseSrcClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstAudioSrcClass *gstaudiosrc_class = GST_AUDIO_SRC_CLASS (klass);
GstBaseSrcClass *gstbasesrc_class = GST_BASE_SRC_CLASS (klass);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
gchar *clientname;
gobject_class->finalize = gst_pulsesrc_finalize;
gobject_class->set_property = gst_pulsesrc_set_property;
gobject_class->get_property = gst_pulsesrc_get_property;
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_pulsesrc_change_state);
gstbasesrc_class->negotiate = GST_DEBUG_FUNCPTR (gst_pulsesrc_negotiate);
gstaudiosrc_class->open = GST_DEBUG_FUNCPTR (gst_pulsesrc_open);
gstaudiosrc_class->close = GST_DEBUG_FUNCPTR (gst_pulsesrc_close);
gstaudiosrc_class->prepare = GST_DEBUG_FUNCPTR (gst_pulsesrc_prepare);
gstaudiosrc_class->unprepare = GST_DEBUG_FUNCPTR (gst_pulsesrc_unprepare);
gstaudiosrc_class->read = GST_DEBUG_FUNCPTR (gst_pulsesrc_read);
gstaudiosrc_class->delay = GST_DEBUG_FUNCPTR (gst_pulsesrc_delay);
gstaudiosrc_class->reset = GST_DEBUG_FUNCPTR (gst_pulsesrc_reset);
/* Overwrite GObject fields */
g_object_class_install_property (gobject_class,
PROP_SERVER,
g_param_spec_string ("server", "Server",
"The PulseAudio server to connect to", DEFAULT_SERVER,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DEVICE,
g_param_spec_string ("device", "Device",
"The PulseAudio source device to connect to", DEFAULT_DEVICE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_DEVICE_NAME,
g_param_spec_string ("device-name", "Device name",
"Human-readable name of the sound device", DEFAULT_DEVICE_NAME,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
clientname = gst_pulse_client_name ();
/**
* GstPulseSrc:client-name
*
* The PulseAudio client name to use.
*/
g_object_class_install_property (gobject_class,
PROP_CLIENT_NAME,
g_param_spec_string ("client-name", "Client Name",
"The PulseAudio client_name_to_use", clientname,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_free (clientname);
/**
* GstPulseSrc:stream-properties
*
* List of pulseaudio stream properties. A list of defined properties can be
* found in the <ulink href="http://0pointer.de/lennart/projects/pulseaudio/doxygen/proplist_8h.html">pulseaudio api docs</ulink>.
*
* Below is an example for registering as a music application to pulseaudio.
* |[
* GstStructure *props;
*
* props = gst_structure_from_string ("props,media.role=music", NULL);
* g_object_set (pulse, "stream-properties", props, NULL);
* gst_structure_free (props);
* ]|
*
* Since: 0.10.26
*/
g_object_class_install_property (gobject_class,
PROP_STREAM_PROPERTIES,
g_param_spec_boxed ("stream-properties", "stream properties",
"list of pulseaudio stream properties",
GST_TYPE_STRUCTURE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstPulseSrc:source-output-index
*
* The index of the PulseAudio source output corresponding to this element.
*
* Since: 0.10.31
*/
g_object_class_install_property (gobject_class,
PROP_SOURCE_OUTPUT_INDEX,
g_param_spec_uint ("source-output-index", "source output index",
"The index of the PulseAudio source output corresponding to this "
"record stream", 0, G_MAXUINT, PA_INVALID_INDEX,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_static_metadata (gstelement_class,
"PulseAudio Audio Source",
"Source/Audio",
"Captures audio from a PulseAudio server", "Lennart Poettering");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&pad_template));
/**
* GstPulseSrc:volume
*
* The volume of the record stream.
*/
g_object_class_install_property (gobject_class,
PROP_VOLUME, g_param_spec_double ("volume", "Volume",
"Linear volume of this stream, 1.0=100%",
0.0, MAX_VOLUME, DEFAULT_VOLUME,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstPulseSrc:mute
*
* Whether the stream is muted or not.
*/
g_object_class_install_property (gobject_class,
PROP_MUTE, g_param_spec_boolean ("mute", "Mute",
"Mute state of this stream",
DEFAULT_MUTE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
gst_pulsesrc_class_init (GstPulseSrcClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstAudioSrcClass *gstaudiosrc_class = GST_AUDIO_SRC_CLASS (klass);
GstBaseSrcClass *gstbasesrc_class = GST_BASE_SRC_CLASS (klass);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
gobject_class->finalize = gst_pulsesrc_finalize;
gobject_class->set_property = gst_pulsesrc_set_property;
gobject_class->get_property = gst_pulsesrc_get_property;
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_pulsesrc_change_state);
gstbasesrc_class->negotiate = GST_DEBUG_FUNCPTR (gst_pulsesrc_negotiate);
gstaudiosrc_class->open = GST_DEBUG_FUNCPTR (gst_pulsesrc_open);
gstaudiosrc_class->close = GST_DEBUG_FUNCPTR (gst_pulsesrc_close);
gstaudiosrc_class->prepare = GST_DEBUG_FUNCPTR (gst_pulsesrc_prepare);
gstaudiosrc_class->unprepare = GST_DEBUG_FUNCPTR (gst_pulsesrc_unprepare);
gstaudiosrc_class->read = GST_DEBUG_FUNCPTR (gst_pulsesrc_read);
gstaudiosrc_class->delay = GST_DEBUG_FUNCPTR (gst_pulsesrc_delay);
gstaudiosrc_class->reset = GST_DEBUG_FUNCPTR (gst_pulsesrc_reset);
/* Overwrite GObject fields */
g_object_class_install_property (gobject_class,
PROP_SERVER,
g_param_spec_string ("server", "Server",
"The PulseAudio server to connect to", DEFAULT_SERVER,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DEVICE,
g_param_spec_string ("device", "Device",
"The PulseAudio source device to connect to", DEFAULT_DEVICE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_DEVICE_NAME,
g_param_spec_string ("device-name", "Device name",
"Human-readable name of the sound device", DEFAULT_DEVICE_NAME,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
/**
* GstPulseSink:client
*
* The PulseAudio client name to use.
*
* Since: 0.10.27
*/
g_object_class_install_property (gobject_class,
PROP_CLIENT,
g_param_spec_string ("client", "Client",
"The PulseAudio client_name_to_use", gst_pulse_client_name (),
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
/**
* GstPulseSrc:stream-properties
*
* List of pulseaudio stream properties. A list of defined properties can be
* found in the <ulink href="http://0pointer.de/lennart/projects/pulseaudio/doxygen/proplist_8h.html">pulseaudio api docs</ulink>.
*
* Below is an example for registering as a music application to pulseaudio.
* |[
* GstStructure *props;
*
* props = gst_structure_from_string ("props,media.role=music", NULL);
* g_object_set (pulse, "stream-properties", props, NULL);
* gst_structure_free (props);
* ]|
*
* Since: 0.10.26
*/
g_object_class_install_property (gobject_class,
PROP_STREAM_PROPERTIES,
g_param_spec_boxed ("stream-properties", "stream properties",
"list of pulseaudio stream properties",
GST_TYPE_STRUCTURE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
