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add routines to AudioTestSource to set freq and volume

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This commit is contained in:
Brandon Lewis 2010-07-02 14:46:09 +02:00 committed by Edward Hervey
parent dcc0413945
commit fd7f9ac12f
3 changed files with 40 additions and 3 deletions
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2
docs/libs/ges-sections.txt
View file

@ -449,6 +449,8 @@ GESTrackAudioTestSource
GESTrackAudioTestSourceClass
ges_track_audio_test_source_new
ges_track_audio_test_source_get_type
ges_track_audio_test_source_set_freq
ges_track_audio_test_source_set_volume
<SUBSECTION Standard>
GES_TRACK_AUDIO_TEST_SOURCE
GES_TRACK_AUDIO_TEST_SOURCE_CLASS

31
ges/ges-track-audio-test-source.c
View file

@ -72,6 +72,8 @@ ges_track_audio_test_source_class_init (GESTrackAudioTestSourceClass * klass)
static void
ges_track_audio_test_source_init (GESTrackAudioTestSource * self)
{
self->freq = 440;
self->volume = 0;
}
static void
@ -107,14 +109,39 @@ ges_track_audio_test_source_set_property (GObject * object,
}
static GstElement *
ges_track_audio_test_source_create_element (GESTrackSource * self)
ges_track_audio_test_source_create_element (GESTrackSource * trksrc)
{
GESTrackAudioTestSource *self;
GstElement *ret;
self = (GESTrackAudioTestSource *) trksrc;
ret = gst_element_factory_make ("audiotestsrc", NULL);
g_object_set (ret, "volume", (gdouble) 0, NULL);
g_object_set (ret, "volume", (gdouble) self->volume, "freq", (gdouble)
self->freq, NULL);
return ret;
}
void
ges_track_audio_test_source_set_freq (GESTrackAudioTestSource * self,
gdouble freq)
{
GstElement *element;
self->freq = freq;
element = ((GESTrackSource *) self)->element;
if (element)
g_object_set (element, "freq", (gdouble) freq, NULL);
}
void
ges_track_audio_test_source_set_volume (GESTrackAudioTestSource * self,
gdouble volume)
{
GstElement *element;
self->volume = volume;
element = ((GESTrackSource *) self)->element;
if (element)
g_object_set (element, "freq", (gdouble) volume, NULL);
}
GESTrackAudioTestSource *
ges_track_audio_test_source_new (void)
{

10
ges/ges-track-audio-test-source.h
View file

@ -53,7 +53,9 @@ G_BEGIN_DECLS
struct _GESTrackAudioTestSource {
GESTrackSource parent;
/*< public >*/
/*< private >*/
gdouble freq;
gdouble volume;
};
/**
@ -72,6 +74,12 @@ GType ges_track_audio_test_source_get_type (void);
GESTrackAudioTestSource* ges_track_audio_test_source_new (void);
void ges_track_audio_test_source_set_freq(GESTrackAudioTestSource *self,
gdouble freq);
void ges_track_audio_test_source_set_volume(GESTrackAudioTestSource *self,
gdouble volume);
G_END_DECLS
#endif /* _GES_TRACK_AUDIO_TEST_SOURCE */