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gst-libs/gst/play/play.c: Moving volume in the audio thread for instantaneous volume change. Maybe i will add another...

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Original commit message from CVS:
2004-02-02  Julien MOUTTE  <julien@moutte.net>

* gst-libs/gst/play/play.c: (gst_play_pipeline_setup),
(gst_play_set_audio_sink): Moving volume in the audio thread for
instantaneous volume change. Maybe i will add another volume in front
of visualization later, not sure yet though.
This commit is contained in:
Julien Moutte 2004-02-02 22:18:38 +00:00
parent c92e91c821
commit 7fdd21cd9d
2 changed files with 21 additions and 16 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2004-02-02 Julien MOUTTE <julien@moutte.net>
* gst-libs/gst/play/play.c: (gst_play_pipeline_setup),
(gst_play_set_audio_sink): Moving volume in the audio thread for
instantaneous volume change. Maybe i will add another volume in front
of visualization later, not sure yet though.
2004-02-02 Julien MOUTTE <julien@moutte.net>
* sys/ximage/ximagesink.c: (gst_ximagesink_renegotiate_size),

30
gst-libs/gst/play/play.c
View file

@ -160,12 +160,7 @@ gst_play_pipeline_setup (GstPlay *play, GError **error)
/* Make sure we convert audio to the needed format */
GST_PLAY_MAKE_OR_ERROR (audioconvert, "audioconvert", "audioconvert", error);
/* FIXME: why are volume and audioconvert switched around for the insert ) */
g_hash_table_insert (play->priv->elements, "volume", audioconvert);
/* Volume control */
GST_PLAY_MAKE_OR_ERROR (volume, "volume", "volume", error);
g_hash_table_insert (play->priv->elements, "audioconvert", volume);
g_hash_table_insert (play->priv->elements, "audioconvert", audioconvert);
/* Duplicate audio signal to audio sink and visualization thread */
GST_PLAY_MAKE_OR_ERROR (tee, "tee", "tee", error);
@ -175,9 +170,8 @@ gst_play_pipeline_setup (GstPlay *play, GError **error)
g_hash_table_insert (play->priv->elements, "tee_pad2", tee_pad2);
g_hash_table_insert (play->priv->elements, "tee", tee);
gst_bin_add_many (GST_BIN (work_thread), source, autoplugger,/* audioconvert,*/
volume, tee, NULL);
if (!gst_element_link_many (source, autoplugger,/* audioconvert,*/ volume, tee, NULL))
gst_bin_add_many (GST_BIN (work_thread), source, autoplugger, audioconvert, tee, NULL);
if (!gst_element_link_many (source, autoplugger, audioconvert, tee, NULL))
GST_PLAY_ERROR_RETURN (error, "Could not link source thread elements");
/* identity ! colorspace ! switch */
@ -309,12 +303,16 @@ gst_play_pipeline_setup (GstPlay *play, GError **error)
GST_PLAY_MAKE_OR_ERROR (audio_queue, "queue", "audio_queue", error);
g_hash_table_insert (play->priv->elements, "audio_queue", audio_queue);
/* Volume control */
GST_PLAY_MAKE_OR_ERROR (volume, "volume", "volume", error);
g_hash_table_insert (play->priv->elements, "volume", volume);
/* Placeholder for future audio sink bin */
GST_PLAY_MAKE_OR_ERROR (audio_sink, "fakesink", "audio_sink", error);
g_hash_table_insert (play->priv->elements, "audio_sink", audio_sink);
gst_bin_add_many (GST_BIN (audio_thread), audio_queue, audio_sink, NULL);
if (!gst_element_link (audio_queue, audio_sink))
gst_bin_add_many (GST_BIN (audio_thread), audio_queue, volume, audio_sink, NULL);
if (!gst_element_link_many (audio_queue, volume, audio_sink, NULL))
GST_PLAY_ERROR_RETURN (error, "Could not link audio output thread elements");
gst_element_add_ghost_pad (audio_thread,
gst_element_get_pad (audio_queue, "sink"),
@ -829,7 +827,7 @@ gst_play_set_video_sink (GstPlay *play, GstElement *video_sink)
gboolean
gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink)
{
GstElement *old_audio_sink, *audio_thread, *audio_queue, *audio_sink_element;
GstElement *old_audio_sink, *audio_thread, *volume, *audio_sink_element;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
@ -847,16 +845,16 @@ gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink)
audio_thread = g_hash_table_lookup (play->priv->elements, "audio_thread");
if (!GST_IS_ELEMENT (audio_thread))
return FALSE;
audio_queue = g_hash_table_lookup (play->priv->elements, "audio_queue");
if (!GST_IS_ELEMENT (audio_queue))
volume = g_hash_table_lookup (play->priv->elements, "volume");
if (!GST_IS_ELEMENT (volume))
return FALSE;
/* Unlinking old audiosink, removing it from pipeline, putting the new one
and linking it */
gst_element_unlink (audio_queue, old_audio_sink);
gst_element_unlink (volume, old_audio_sink);
gst_bin_remove (GST_BIN (audio_thread), old_audio_sink);
gst_bin_add (GST_BIN (audio_thread), audio_sink);
gst_element_link (audio_queue, audio_sink);
gst_element_link (volume, audio_sink);
g_hash_table_replace (play->priv->elements, "audio_sink", audio_sink);