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liveadder: Remove plugin, replace by compat subclass of audiomixer

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New subclass with a similar behaviour as the old liveadder, but
a slightly different API as the latency is in nanoseconds, not
milliseconds. Also, the new liveadder has a effective latency that
is latency + output-buffer-duration. In practice, just setting a non-zero
latency with the new audiomixer gives you the right behavior in 99% of the
cases.
This commit is contained in:
Olivier Crête 2015-10-05 00:55:36 +01:00
parent 11ab8b7965
commit 8cce2ccbf2
1 changed files with 26 additions and 0 deletions
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26
gst/audiomixer/gstaudiomixer.c
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@ -781,6 +781,28 @@ gst_audiomixer_child_proxy_init (gpointer g_iface, gpointer iface_data)
iface->get_children_count = gst_audiomixer_child_proxy_get_children_count; iface->get_children_count = gst_audiomixer_child_proxy_get_children_count;
} }
/* Empty liveadder alias with non-zero latency */
typedef GstAudioMixer GstLiveAdder;
typedef GstAudioMixerClass GstLiveAdderClass;
static GType gst_live_adder_get_type (void);
#define GST_TYPE_LIVE_ADDER gst_live_adder_get_type ()
G_DEFINE_TYPE (GstLiveAdder, gst_live_adder, GST_TYPE_AUDIO_MIXER);
static void
gst_live_adder_init (GstLiveAdder * self)
{
g_object_set (self, "latency", 30 * GST_MSECOND, NULL);
}
static void
gst_live_adder_class_init (GstLiveAdderClass * klass)
{
}
static gboolean static gboolean
plugin_init (GstPlugin * plugin) plugin_init (GstPlugin * plugin)
{ {
@ -791,6 +813,10 @@ plugin_init (GstPlugin * plugin)
GST_TYPE_AUDIO_MIXER)) GST_TYPE_AUDIO_MIXER))
return FALSE; return FALSE;
if (!gst_element_register (plugin, "liveadder", GST_RANK_NONE,
GST_TYPE_LIVE_ADDER))
return FALSE;
if (!gst_element_register (plugin, "audiointerleave", GST_RANK_NONE, if (!gst_element_register (plugin, "audiointerleave", GST_RANK_NONE,
GST_TYPE_AUDIO_INTERLEAVE)) GST_TYPE_AUDIO_INTERLEAVE))
return FALSE; return FALSE;