<div dir="ltr"> <div class="gmail_extra"> <div class="gmail_quote">On Fri, Apr 3, 2015 at 3:53 PM, Victor Toso <<a href="mailto:victortoso@redhat.com" target="_blank">victortoso@redhat.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Gstaudio rely on sink/src elements to get the volume/mute. (e.g. pulsesink and pulsesrc, the values are updated) --- gtk/spice-gstaudio.c | 179 ++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 178 insertions(+), 1 deletion(-) diff --git a/gtk/spice-gstaudio.c b/gtk/spice-gstaudio.c index 892028c..845e5be 100644 --- a/gtk/spice-gstaudio.c +++ b/gtk/spice-gstaudio.c @@ -50,6 +50,14 @@ struct _SpiceGstaudioPrivate { static gboolean connect_channel(SpiceAudio *audio, SpiceChannel *channel); static void channel_weak_notified(gpointer data, GObject *where_the_object_was); +static void spice_gstaudio_get_playback_volume_info_async(SpiceAudio *audio, + GAsyncReadyCallback callback, gpointer user_data); +static gboolean spice_gstaudio_get_playback_volume_info_finish(SpiceAudio *audio, + GAsyncResult *res, gboolean *mute, guint8 *nchannels, guint16 **volume, GError **error); +static void spice_gstaudio_get_record_volume_info_async(SpiceAudio *audio, + GAsyncReadyCallback callback, gpointer user_data); +static gboolean spice_gstaudio_get_record_volume_info_finish(SpiceAudio *audio, + GAsyncResult *res, gboolean *mute, guint8 *nchannels, guint16 **volume, GError **error); static void spice_gstaudio_finalize(GObject *obj) { @@ -108,6 +116,10 @@ static void spice_gstaudio_class_init(SpiceGstaudioClass *klass) SpiceAudioClass *audio_class = SPICE_AUDIO_CLASS(klass); audio_class->connect_channel = connect_channel; + audio_class->get_playback_volume_info_async = spice_gstaudio_get_playback_volume_info_async; + audio_class->get_playback_volume_info_finish = spice_gstaudio_get_playback_volume_info_finish; + audio_class->get_record_volume_info_async = spice_gstaudio_get_record_volume_info_async; + audio_class->get_record_volume_info_finish = spice_gstaudio_get_record_volume_info_finish; gobject_class->finalize = spice_gstaudio_finalize; gobject_class->dispose = spice_gstaudio_dispose; @@ -370,6 +382,7 @@ static void playback_volume_changed(GObject *object, GParamSpec *pspec, gpointer g_return_if_fail(nchannels > 0); vol = 1.0 * volume[0] / VOLUME_NORMAL; + SPICE_DEBUG("%s volume changed to %u (%0.2f)", __func__, volume[0], 100*vol); if (GST_IS_BIN(p->playback.sink)) e = gst_bin_get_by_interface(GST_BIN(p->playback.sink), GST_TYPE_STREAM_VOLUME); @@ -395,7 +408,7 @@ static void playback_mute_changed(GObject *object, GParamSpec *pspec, gpointer d return; g_object_get(object, "mute", &mute, NULL); - SPICE_DEBUG("playback mute changed %u", mute); + SPICE_DEBUG("%s mute changed to %u", __func__, mute); if (GST_IS_BIN(p->playback.sink)) e = gst_bin_get_by_interface(GST_BIN(p->playback.sink), GST_TYPE_STREAM_VOLUME); @@ -428,6 +441,7 @@ static void record_volume_changed(GObject *object, GParamSpec *pspec, gpointer d g_return_if_fail(nchannels > 0); vol = 1.0 * volume[0] / VOLUME_NORMAL; + SPICE_DEBUG("%s volume changed to %u (%0.2f)", __func__, volume[0], 100*vol); /* TODO directsoundsrc doesn't support IDirectSoundBuffer_SetVolume */ /* TODO pulsesrc doesn't support volume property, it's all coming! */ @@ -456,6 +470,7 @@ static void record_mute_changed(GObject *object, GParamSpec *pspec, gpointer dat return; g_object_get(object, "mute", &mute, NULL); + SPICE_DEBUG("%s mute changed to %u", __func__, mute); if (GST_IS_BIN(p->record.src)) e = gst_bin_get_by_interface(GST_BIN(p->record.src), GST_TYPE_STREAM_VOLUME); @@ -543,3 +558,165 @@ SpiceGstaudio *spice_gstaudio_new(SpiceSession *session, GMainContext *context, return gstaudio; } + +static void spice_gstaudio_get_playback_volume_info_async(SpiceAudio *audio, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GSimpleAsyncResult *simple; + + simple = g_simple_async_result_new(G_OBJECT(audio), + callback, + user_data, + spice_gstaudio_get_playback_volume_info_async); + g_simple_async_result_set_op_res_gboolean(simple, TRUE); + g_simple_async_result_complete_in_idle(simple); +} + +static gboolean spice_gstaudio_get_playback_volume_info_finish(SpiceAudio *audio, + GAsyncResult *res, + gboolean *mute, + guint8 *nchannels, + guint16 **volume, + GError **error) +{ + SpiceGstaudioPrivate *p = SPICE_GSTAUDIO(audio)->priv; + GstElement *e; + gboolean lmute; + gdouble vol; + gboolean fake_channel = FALSE; + GSimpleAsyncResult *simple = (GSimpleAsyncResult *) res; + + g_return_val_if_fail(g_simple_async_result_is_valid(res, + G_OBJECT(audio), spice_gstaudio_get_playback_volume_info_async), FALSE); + + if (g_simple_async_result_propagate_error(simple, error)) { + return FALSE; + } + + if (p->playback.sink == NULL || p->playback.channels == 0) { + SPICE_DEBUG("%s PlaybackChannel not created yet, force start", __func__); + /* In order to get system volume, we start the pipeline */ + playback_start(NULL, SPICE_AUDIO_FMT_S16, 2, 48000, audio); + fake_channel = TRUE; + } + + if (GST_IS_BIN(p->playback.sink)) + e = gst_bin_get_by_interface(GST_BIN(p->playback.sink), GST_TYPE_STREAM_VOLUME); + else + e = g_object_ref(p->playback.sink); </blockquote><div> </div><div>I can't see where is corresponding the unref. </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> + + if (GST_IS_STREAM_VOLUME(e)) { + vol = gst_stream_volume_get_volume(GST_STREAM_VOLUME(e), GST_STREAM_VOLUME_FORMAT_CUBIC); + lmute = gst_stream_volume_get_mute(GST_STREAM_VOLUME(e)); + } else { + g_object_get(e, + "volume", &vol, + "mute", &lmute, NULL); + } + + if (fake_channel) { + SPICE_DEBUG("%s Stop faked PlaybackChannel", __func__); + playback_stop(NULL, audio); + } + + if (mute != NULL) { + *mute = lmute; + } + + if (nchannels != NULL) { + *nchannels = p->playback.channels; + } + + if (volume != NULL) { + gint i; + *volume = g_new(guint16, p->playback.channels); + for (i = 0; i < p->playback.channels; i++) { + (*volume)[i] = (guint16) (vol * VOLUME_NORMAL); + SPICE_DEBUG("(playback) volume at %d is %u (%0.2f%%)", i, (*volume)[i], vol); + } + } + + return g_simple_async_result_get_op_res_gboolean(simple); +} + +static void spice_gstaudio_get_record_volume_info_async(SpiceAudio *audio, + GAsyncReadyCallback callback, + gpointer user_data) +{ + GSimpleAsyncResult *simple; + + simple = g_simple_async_result_new(G_OBJECT(audio), + callback, + user_data, + spice_gstaudio_get_record_volume_info_async); + g_simple_async_result_set_op_res_gboolean(simple, TRUE); + g_simple_async_result_complete_in_idle(simple); +} + +static gboolean spice_gstaudio_get_record_volume_info_finish(SpiceAudio *audio, + GAsyncResult *res, + gboolean *mute, + guint8 *nchannels, + guint16 **volume, + GError **error) +{ + SpiceGstaudioPrivate *p = SPICE_GSTAUDIO(audio)->priv; + GstElement *e; + gboolean lmute; + gdouble vol; + gboolean fake_channel = FALSE; + GSimpleAsyncResult *simple = (GSimpleAsyncResult *) res; + + g_return_val_if_fail(g_simple_async_result_is_valid(res, + G_OBJECT(audio), spice_gstaudio_get_record_volume_info_async), FALSE); + + if (g_simple_async_result_propagate_error(simple, error)) { + return FALSE; + } + + if (p->record.src == NULL || p->record.channels == 0) { + SPICE_DEBUG("%s RecordChannel not created yet, force start", __func__); + /* In order to get system volume, we start the pipeline */ + record_start(NULL, SPICE_AUDIO_FMT_S16, 2, 48000, audio); + fake_channel = TRUE; + } + + if (GST_IS_BIN(p->record.src)) + e = gst_bin_get_by_interface(GST_BIN(p->record.src), GST_TYPE_STREAM_VOLUME); + else + e = g_object_ref(p->record.src); + + if (GST_IS_STREAM_VOLUME(e)) { + vol = gst_stream_volume_get_volume(GST_STREAM_VOLUME(e), GST_STREAM_VOLUME_FORMAT_CUBIC); + lmute = gst_stream_volume_get_mute(GST_STREAM_VOLUME(e)); + } else { + g_object_get(e, + "volume", &vol, + "mute", &lmute, NULL); + } + + if (fake_channel) { + SPICE_DEBUG("%s Stop faked RecordChannel", __func__); + record_stop(SPICE_GSTAUDIO(audio)); + } + + if (mute != NULL) { + *mute = lmute; + } + + if (nchannels != NULL) { + *nchannels = p->record.channels; + } + + if (volume != NULL) { + gint i; + *volume = g_new(guint16, p->record.channels); + for (i = 0; i < p->record.channels; i++) { + (*volume)[i] = (guint16) (vol * VOLUME_NORMAL); + SPICE_DEBUG("(record) volume at %d is %u (%0.2f%%)", i, (*volume)[i], vol); + } + } + + return g_simple_async_result_get_op_res_gboolean(simple); +} -- 2.1.0 _______________________________________________ Spice-devel mailing list <a href="mailto:Spice-devel@lists.freedesktop.org">Spice-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/spice-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/spice-devel</a> </blockquote></div> -- <div class="gmail_signature">Marc-André Lureau</div> </div></div>