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volume: Implement GstStreamVolume interface

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This commit is contained in:
Sebastian Dröge 2009-09-11 15:04:42 +02:00
parent 6e23ea172f
commit 723b2baa5d
4 changed files with 43 additions and 4 deletions
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13
gst/volume/gstvolume.c
View file

@ -137,20 +137,26 @@ static void gst_volume_mixer_init (GstMixerClass * iface);
#define _init_interfaces(type) \
{ \
static const GInterfaceInfo voliface_info = { \
static const GInterfaceInfo voliface_info = { \
(GInterfaceInitFunc) gst_volume_interface_init, \
NULL, \
NULL \
}; \
static const GInterfaceInfo volmixer_info = { \
static const GInterfaceInfo volmixer_info = { \
(GInterfaceInitFunc) gst_volume_mixer_init, \
NULL, \
NULL \
}; \
static const GInterfaceInfo svol_info = { \
NULL, \
NULL, \
NULL \
}; \
\
g_type_add_interface_static (type, GST_TYPE_IMPLEMENTS_INTERFACE, \
&voliface_info); \
g_type_add_interface_static (type, GST_TYPE_MIXER, &volmixer_info); \
g_type_add_interface_static (type, GST_TYPE_STREAM_VOLUME, &svol_info); \
}
GST_BOILERPLATE_FULL (GstVolume, gst_volume, GstAudioFilter,
@ -302,8 +308,7 @@ volume_update_volume (GstVolume * this, gfloat volume, gboolean mute)
static gboolean
gst_volume_interface_supported (GstImplementsInterface * iface, GType type)
{
g_return_val_if_fail (type == GST_TYPE_MIXER, FALSE);
return TRUE;
return (type == GST_TYPE_MIXER || type == GST_TYPE_STREAM_VOLUME);
}
static void

1
gst/volume/gstvolume.h
View file

@ -25,6 +25,7 @@
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/interfaces/streamvolume.h>
#include <gst/audio/audio.h>
#include <gst/audio/gstaudiofilter.h>

2
tests/check/Makefile.am
View file

@ -280,6 +280,8 @@ elements_textoverlay_LDADD = $(GST_BASE_LIBS) $(LDADD)
elements_textoverlay_CFLAGS = $(GST_BASE_CFLAGS) $(AM_CFLAGS)
elements_volume_LDADD = \
$(top_builddir)/gst-libs/gst/interfaces/libgstinterfaces-@GST_MAJORMINOR@.la \
$(GST_PLUGINS_BASE_LIBS) \
$(GST_CONTROLLER_LIBS) \
$(GST_BASE_LIBS) \
$(LDADD)

31
tests/check/elements/volume.c
View file

@ -25,6 +25,7 @@
#include <gst/base/gstbasetransform.h>
#include <gst/check/gstcheck.h>
#include <gst/controller/gstcontroller.h>
#include <gst/interfaces/streamvolume.h>
/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
@ -148,6 +149,35 @@ cleanup_volume (GstElement * volume)
gst_check_teardown_element (volume);
}
GST_START_TEST (test_get_set)
{
GstElement *volume = gst_element_factory_make ("volume", NULL);
gdouble val;
fail_unless (volume != NULL);
g_object_get (G_OBJECT (volume), "volume", &val, NULL);
fail_unless (val == 1.0);
fail_unless (val == gst_stream_volume_get_volume (GST_STREAM_VOLUME (volume),
GST_STREAM_VOLUME_FORMAT_LINEAR));
g_object_set (G_OBJECT (volume), "volume", 0.5, NULL);
g_object_get (G_OBJECT (volume), "volume", &val, NULL);
fail_unless (val == 0.5);
fail_unless (val == gst_stream_volume_get_volume (GST_STREAM_VOLUME (volume),
GST_STREAM_VOLUME_FORMAT_LINEAR));
gst_stream_volume_set_volume (GST_STREAM_VOLUME (volume),
GST_STREAM_VOLUME_FORMAT_LINEAR, 1.0);
g_object_get (G_OBJECT (volume), "volume", &val, NULL);
fail_unless (val == 1.0);
fail_unless (val == gst_stream_volume_get_volume (GST_STREAM_VOLUME (volume),
GST_STREAM_VOLUME_FORMAT_LINEAR));
gst_object_unref (volume);
}
GST_END_TEST;
GST_START_TEST (test_unity_s8)
{
GstElement *volume;
@ -1459,6 +1489,7 @@ volume_suite (void)
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_get_set);
tcase_add_test (tc_chain, test_unity_s8);
tcase_add_test (tc_chain, test_half_s8);
tcase_add_test (tc_chain, test_double_s8);