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API: allow using PipeWire for audio output

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Instead of using PulseAudio sink and making a round way through pipewire-pulse,
access and use PipeWire directly for audio output when user sets env var
GST_CLAPPER_USE_PIPEWIRE=1
This commit is contained in:
Rafostar
2021-05-08 16:17:55 +02:00
parent 2f5d6d60ed
commit 1c414ef36b
1 changed files with 17 additions and 6 deletions
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23
lib/gst/clapper/gstclapper.c vendored
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@@ -2869,8 +2869,8 @@ gst_clapper_main (gpointer data)
GstClapper *self = GST_CLAPPER (data);
GstBus *bus;
GSource *source;
GstElement *scaletempo;
const gchar *env;
GstElement *scaletempo, *pipewiresink;
const gchar *pb_env, *pw_env;
GST_TRACE_OBJECT (self, "Starting main thread");
@@ -2882,8 +2882,8 @@ gst_clapper_main (gpointer data)
g_source_attach (source, self->context);
g_source_unref (source);
env = g_getenv ("GST_CLAPPER_USE_PLAYBIN3");
if (env && g_str_has_prefix (env, "1"))
pb_env = g_getenv ("GST_CLAPPER_USE_PLAYBIN3");
if (pb_env && g_str_has_prefix (pb_env, "1"))
self->use_playbin3 = TRUE;
if (self->use_playbin3) {
@@ -2914,12 +2914,23 @@ gst_clapper_main (gpointer data)
}
}
pw_env = g_getenv ("GST_CLAPPER_USE_PIPEWIRE");
if (pw_env && g_str_has_prefix (pw_env, "1")) {
pipewiresink = gst_element_factory_make ("pipewiresink", NULL);
if (pipewiresink) {
g_object_set (self->playbin, "audio-sink", pipewiresink, NULL);
} else {
g_warning ("GstClapper: pipewiresink element not available. "
"Default audio sink will be used instead.");
}
}
scaletempo = gst_element_factory_make ("scaletempo", NULL);
if (scaletempo) {
g_object_set (self->playbin, "audio-filter", scaletempo, NULL);
} else {
g_warning ("GstClapper: scaletempo element not available. Audio pitch "
"will not be preserved during trick modes");
g_warning ("GstClapper: scaletempo element not available. "
"Audio pitch will not be preserved during trick modes.");
}
self->bus = bus = gst_element_get_bus (self->playbin);