* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "config.h"
#include <stdio.h>
#include <stdlib.h>
+#include <gst/interfaces/mixer.h>
+
#include <libempathy/empathy-utils.h>
#include <libempathy-gtk/empathy-call-utils.h>
enum {
PROP_VOLUME = 1,
+ PROP_MUTE,
PROP_RMS_LEVEL,
PROP_PEAK_LEVEL,
PROP_MICROPHONE,
};
/* private structure */
-typedef struct _EmpathyGstAudioSrcPrivate EmpathyGstAudioSrcPrivate;
-
struct _EmpathyGstAudioSrcPrivate
{
gboolean dispose_has_run;
GstElement *src;
- GstElement *volume;
GstElement *level;
EmpathyMicMonitor *mic_monitor;
gdouble peak_level;
gdouble rms_level;
+ gdouble volume;
+ gboolean mute;
+ /* the mixer track on src we follow and adjust */
+ GstMixerTrack *track;
+
GMutex *lock;
- guint idle_id;
+ guint level_idle_id;
+ guint volume_idle_id;
};
#define EMPATHY_GST_AUDIO_SRC_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), EMPATHY_TYPE_GST_AUDIO_SRC, \
EmpathyGstAudioSrcPrivate))
+/* There is no predefined maximum channels by gstreamer, just pick 32, which is
+ * the same as the pulseaudio maximum */
+#define MAX_MIC_CHANNELS 32
+
+static void
+empathy_audio_set_hw_mute (EmpathyGstAudioSrc *self, gboolean mute)
+{
+ g_mutex_lock (self->priv->lock);
+ /* If there is no mixer available ignore the setting */
+ if (self->priv->track == NULL)
+ goto out;
+
+ gst_mixer_set_mute (GST_MIXER (self->priv->src), self->priv->track, mute);
+
+out:
+ g_mutex_unlock (self->priv->lock);
+ self->priv->mute = mute;
+}
+
+static gboolean
+empathy_audio_src_get_hw_mute (EmpathyGstAudioSrc *self)
+{
+ gboolean result = self->priv->mute;
+
+ g_mutex_lock (self->priv->lock);
+ if (self->priv->track == NULL)
+ goto out;
+
+ result = GST_MIXER_TRACK_HAS_FLAG (self->priv->track, GST_MIXER_TRACK_MUTE);
+out:
+ g_mutex_unlock (self->priv->lock);
+
+ return result;
+}
+
+static void
+empathy_audio_src_set_hw_volume (EmpathyGstAudioSrc *self,
+ gdouble volume)
+{
+ gint volumes[MAX_MIC_CHANNELS];
+ int i;
+
+ g_mutex_lock (self->priv->lock);
+ /* If there is no mixer available ignore the setting */
+ if (self->priv->track == NULL)
+ goto out;
+
+ for (i = 0; i < MAX_MIC_CHANNELS; i++)
+ volumes[i] = self->priv->track->max_volume * volume;
+
+ gst_mixer_set_volume (GST_MIXER (self->priv->src),
+ self->priv->track, volumes);
+
+out:
+ g_mutex_unlock (self->priv->lock);
+
+ self->priv->volume = volume;
+}
+
+static gdouble
+empathy_audio_src_get_hw_volume (EmpathyGstAudioSrc *self)
+{
+ gint volumes[MAX_MIC_CHANNELS];
+ gdouble result = self->priv->volume;
+
+ g_mutex_lock (self->priv->lock);
+ if (self->priv->track == NULL)
+ goto out;
+
+ gst_mixer_get_volume (GST_MIXER (self->priv->src),
+ self->priv->track, volumes);
+ result = volumes[0]/(gdouble)self->priv->track->max_volume;
+
+out:
+ g_mutex_unlock (self->priv->lock);
+
+ return result;
+}
+
+
gboolean
empathy_audio_src_supports_changing_mic (EmpathyGstAudioSrc *self)
{
return audio_src_idx;
}
-
static void
empathy_audio_src_microphone_changed_cb (EmpathyMicMonitor *monitor,
guint source_output_idx,
source_output_idx, empathy_audio_src_get_current_mic_cb, self);
}
+static GstMixerTrack *
+empathy_audio_src_get_track (GstElement *src)
+{
+ const GList *t;
+ GstMixerTrack *track = NULL;
+
+ if (!gst_element_implements_interface (src, GST_TYPE_MIXER))
+ {
+ g_warning ("No mixer interface implementation, can't control volume");
+ return NULL;
+ }
+
+ for (t = gst_mixer_list_tracks (GST_MIXER (src));
+ t != NULL; t = g_list_next (t))
+ {
+ GstMixerTrack *tr = t->data;
+ if (!tp_strdiff (tr->label, "Master"))
+ {
+ track = tr;
+ break;
+ }
+ }
+
+ if (track == NULL)
+ {
+ g_warning ("No suitable track found");
+ }
+ else if (track->num_channels > MAX_MIC_CHANNELS)
+ {
+ g_warning ("Microphones with more then %d channels not supported ",
+ MAX_MIC_CHANNELS);
+ track = NULL;
+ }
+
+ return track;
+}
+
static GstElement *
create_src (void)
{
if (src == NULL)
return NULL;
- empathy_call_set_stream_properties (src);
+ empathy_call_set_stream_properties (src, TRUE);
+
+ /* Set latency (buffering on the PulseAudio side) of 20ms */
+ g_object_set (src, "buffer-time", 20000, NULL);
return src;
}
{
EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (obj);
GstPad *ghost, *src;
+ GstElement *capsfilter;
+ GstCaps *caps;
+ obj->priv = priv;
priv->peak_level = -G_MAXDOUBLE;
priv->lock = g_mutex_new ();
+ priv->volume = 1.0;
priv->src = create_src ();
if (priv->src == NULL)
gst_bin_add (GST_BIN (obj), priv->src);
- priv->volume = gst_element_factory_make ("volume", NULL);
- g_object_ref (priv->volume);
-
- gst_bin_add (GST_BIN (obj), priv->volume);
- gst_element_link (priv->src, priv->volume);
+ /* Explicitly state what format we want from pulsesrc. This pushes resampling
+ * and format conversion as early as possible, lowering the amount of data
+ * transferred and thus improving performance. When moving to GStreamer
+ * 0.11/1.0, this should change so that we actually request what the encoder
+ * wants downstream. */
+ caps = gst_caps_new_simple ("audio/x-raw-int",
+ "channels", G_TYPE_INT, 1,
+ "width", G_TYPE_INT, 16,
+ "depth", G_TYPE_INT, 16,
+ "rate", G_TYPE_INT, 32000,
+ NULL);
+ capsfilter = gst_element_factory_make ("capsfilter", NULL);
+ g_object_set (G_OBJECT (capsfilter), "caps", caps, NULL);
+ gst_bin_add (GST_BIN (obj), capsfilter);
+ gst_element_link (priv->src, capsfilter);
priv->level = gst_element_factory_make ("level", NULL);
gst_bin_add (GST_BIN (obj), priv->level);
- gst_element_link (priv->volume, priv->level);
+ gst_element_link (capsfilter, priv->level);
src = gst_element_get_static_pad (priv->level, "src");
switch (property_id)
{
case PROP_VOLUME:
- empathy_audio_src_set_volume (EMPATHY_GST_AUDIO_SRC (object),
+ empathy_audio_src_set_hw_volume (EMPATHY_GST_AUDIO_SRC (object),
g_value_get_double (value));
break;
+ case PROP_MUTE:
+ empathy_audio_set_hw_mute (EMPATHY_GST_AUDIO_SRC (object),
+ g_value_get_boolean (value));
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
switch (property_id)
{
case PROP_VOLUME:
- g_value_set_double (value,
- empathy_audio_src_get_volume (self));
+ g_value_set_double (value, priv->volume);
+ break;
+ case PROP_MUTE:
+ g_value_set_boolean (value, priv->mute);
break;
case PROP_PEAK_LEVEL:
g_mutex_lock (priv->lock);
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, PROP_VOLUME, param_spec);
+ param_spec = g_param_spec_boolean ("mute", "Mute", "mute contol",
+ FALSE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+ g_object_class_install_property (object_class, PROP_MUTE, param_spec);
+
param_spec = g_param_spec_double ("peak-level", "peak level", "peak level",
-G_MAXDOUBLE, G_MAXDOUBLE, 0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
priv->dispose_has_run = TRUE;
- if (priv->idle_id != 0)
- g_source_remove (priv->idle_id);
+ if (priv->level_idle_id != 0)
+ g_source_remove (priv->level_idle_id);
+ priv->level_idle_id = 0;
- priv->idle_id = 0;
+ if (priv->volume_idle_id != 0)
+ g_source_remove (priv->volume_idle_id);
+ priv->volume_idle_id = 0;
tp_clear_object (&priv->mic_monitor);
g_signal_emit (self, signals[PEAK_LEVEL_CHANGED], 0, priv->peak_level);
g_signal_emit (self, signals[RMS_LEVEL_CHANGED], 0, priv->rms_level);
- priv->idle_id = 0;
+ priv->level_idle_id = 0;
g_mutex_unlock (priv->lock);
return FALSE;
}
+static gboolean
+empathy_audio_src_volume_changed (gpointer user_data)
+{
+ EmpathyGstAudioSrc *self = EMPATHY_GST_AUDIO_SRC (user_data);
+ EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (self);
+ gdouble volume;
+ gboolean mute;
+
+ g_mutex_lock (priv->lock);
+ priv->volume_idle_id = 0;
+ g_mutex_unlock (priv->lock);
+
+ volume = empathy_audio_src_get_hw_volume (self);
+
+ if (volume != priv->volume)
+ {
+ priv->volume = volume;
+ g_object_notify (G_OBJECT (self), "volume");
+ }
+
+ mute = empathy_audio_src_get_hw_mute (self);
+ if (mute != priv->mute)
+ {
+ priv->mute = mute;
+ g_object_notify (G_OBJECT (self), "mute");
+ }
+
+ return FALSE;
+}
+
static void
empathy_audio_src_handle_message (GstBin *bin, GstMessage *message)
{
EmpathyGstAudioSrc *self = EMPATHY_GST_AUDIO_SRC (bin);
EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (self);
- if (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ELEMENT &&
- GST_MESSAGE_SRC (message) == GST_OBJECT (priv->level))
+ if (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ELEMENT &&
+ GST_MESSAGE_SRC (message) == GST_OBJECT (priv->level))
{
const GstStructure *s;
const gchar *name;
priv->peak_level = peak;
priv->rms_level = rms;
- if (priv->idle_id == 0)
- priv->idle_id = g_idle_add (empathy_audio_src_levels_updated, self);
+ if (priv->level_idle_id == 0)
+ priv->level_idle_id = g_idle_add (
+ empathy_audio_src_levels_updated, self);
g_mutex_unlock (priv->lock);
}
+ else if (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ELEMENT &&
+ GST_MESSAGE_SRC (message) == GST_OBJECT (priv->src))
+ {
+ GstMixerTrack *track = NULL;
+
+ /* Listen for mute or volume changes on the src element */
+ if (gst_mixer_message_get_type (message) ==
+ GST_MIXER_MESSAGE_VOLUME_CHANGED)
+ gst_mixer_message_parse_volume_changed (message, &track,
+ NULL, NULL);
+
+ if (gst_mixer_message_get_type (message) ==
+ GST_MIXER_MESSAGE_MUTE_TOGGLED)
+ gst_mixer_message_parse_mute_toggled (message, &track, NULL);
+
+ g_mutex_lock (priv->lock);
+
+ if (track != NULL && track == priv->track && priv->volume_idle_id == 0)
+ priv->volume_idle_id = g_idle_add (
+ empathy_audio_src_volume_changed, self);
+
+ g_mutex_unlock (priv->lock);
+ }
+ else if (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STATE_CHANGED &&
+ GST_MESSAGE_SRC (message) == GST_OBJECT (priv->src))
+ {
+ GstState old, new;
+
+ gst_message_parse_state_changed (message, &old, &new, NULL);
+
+ /* GstMixer is only available in state >= READY, so only start
+ * controlling the source element when going to ready state and stop
+ * doing so when going below ready. Furthermore once we have mixer read
+ * the current volume level from it and remove the settings done by
+ * Empathy. We want to pick up the level pulseaudio saved */
+ if (old == GST_STATE_NULL && new == GST_STATE_READY)
+ {
+ g_mutex_lock (priv->lock);
+ priv->track = empathy_audio_src_get_track (priv->src);
+ if (priv->track != NULL)
+ priv->volume_idle_id = g_idle_add (
+ empathy_audio_src_volume_changed, self);
+ g_mutex_unlock (priv->lock);
+ }
+ else if (old == GST_STATE_READY && new == GST_STATE_NULL)
+ {
+ g_mutex_lock (priv->lock);
+ priv->track = NULL;
+ g_mutex_unlock (priv->lock);
+ }
+ }
out:
GST_BIN_CLASS (empathy_audio_src_parent_class)->handle_message (bin,
}
void
-empathy_audio_src_set_volume (EmpathyGstAudioSrc *src, gdouble volume)
+empathy_audio_src_set_echo_cancel (EmpathyGstAudioSrc *src,
+ gboolean enable)
{
- EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (src);
- GParamSpec *pspec;
- GParamSpecDouble *pspec_double;
-
- pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (priv->volume),
- "volume");
-
- g_assert (pspec != NULL);
-
- pspec_double = G_PARAM_SPEC_DOUBLE (pspec);
-
- volume = CLAMP (volume, pspec_double->minimum, pspec_double->maximum);
+ DEBUG ("Src echo cancellation setting: %s", enable ? "on" : "off");
+ empathy_call_set_stream_properties (src->priv->src, enable);
+}
- g_object_set (G_OBJECT (priv->volume), "volume", volume, NULL);
+void
+empathy_audio_src_set_volume (EmpathyGstAudioSrc *src, gdouble volume)
+{
+ g_object_set (src, "volume", volume, NULL);
}
gdouble
empathy_audio_src_get_volume (EmpathyGstAudioSrc *src)
{
- EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (src);
- gdouble volume;
-
- g_object_get (G_OBJECT (priv->volume), "volume", &volume, NULL);
-
- return volume;
+ return src->priv->volume;
}
guint
projects / empathy.git / blobdiff