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gst/interleave/deinterleave.*: Add a property to select whether channel positions should be kept on the mono output b...

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Original commit message from CVS:
* gst/interleave/deinterleave.c: (gst_deinterleave_class_init),
(gst_deinterleave_init), (gst_deinterleave_add_new_pads),
(gst_deinterleave_set_pads_caps), (gst_deinterleave_set_property),
(gst_deinterleave_get_property):
* gst/interleave/deinterleave.h:
Add a property to select whether channel positions should be kept on
the mono output buffers or should be dropped.
This commit is contained in:
Sebastian Dröge 2008-05-19 07:46:05 +00:00
parent 706b1dff39
commit 45fc13ebd9
2 changed files with 68 additions and 6 deletions
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73
gst/interleave/deinterleave.c
View file

@ -123,12 +123,23 @@ deinterleave_24 (guint8 * out, guint8 * in, guint stride, guint nframes)
GST_BOILERPLATE (GstDeinterleave, gst_deinterleave, GstElement,
GST_TYPE_ELEMENT);
enum
{
PROP_0,
PROP_KEEP_POSITIONS
};
static GstFlowReturn gst_deinterleave_chain (GstPad * pad, GstBuffer * buffer);
static gboolean gst_deinterleave_sink_setcaps (GstPad * pad, GstCaps * caps);
static GstCaps *gst_deinterleave_getcaps (GstPad * pad);
static gboolean gst_deinterleave_sink_activate_push (GstPad * pad,
gboolean active);
static gboolean gst_deinterleave_sink_event (GstPad * pad, GstEvent * event);
static void gst_deinterleave_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_deinterleave_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void
gst_deinterleave_finalize (GObject * obj)
@ -174,6 +185,13 @@ gst_deinterleave_class_init (GstDeinterleaveClass * klass)
"deinterleave element");
gobject_class->finalize = gst_deinterleave_finalize;
gobject_class->set_property = gst_deinterleave_set_property;
gobject_class->get_property = gst_deinterleave_get_property;
g_object_class_install_property (gobject_class, PROP_KEEP_POSITIONS,
g_param_spec_boolean ("keep-positions", "Keep positions",
"Keep the original channel positions on the output buffers",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
@ -181,6 +199,7 @@ gst_deinterleave_init (GstDeinterleave * self, GstDeinterleaveClass * klass)
{
self->channels = 0;
self->pos = NULL;
self->keep_positions = FALSE;
self->width = 0;
self->func = NULL;
@ -213,10 +232,15 @@ gst_deinterleave_add_new_pads (GstDeinterleave * self, GstCaps * caps)
g_free (name);
/* Set channel position if we know it */
if (self->pos) {
if (self->keep_positions) {
GstAudioChannelPosition pos[1] = { GST_AUDIO_CHANNEL_POSITION_NONE };
srccaps = gst_caps_copy (caps);
s = gst_caps_get_structure (srccaps, 0);
gst_audio_set_channel_positions (s, &self->pos[i]);
if (self->pos)
gst_audio_set_channel_positions (s, &self->pos[i]);
else
gst_audio_set_channel_positions (s, pos);
} else {
srccaps = caps;
}
@ -228,7 +252,7 @@ gst_deinterleave_add_new_pads (GstDeinterleave * self, GstCaps * caps)
gst_element_add_pad (GST_ELEMENT (self), pad);
self->srcpads = g_list_prepend (self->srcpads, gst_object_ref (pad));
if (self->pos)
if (self->keep_positions)
gst_caps_unref (srccaps);
}
@ -248,17 +272,22 @@ gst_deinterleave_set_pads_caps (GstDeinterleave * self, GstCaps * caps)
GstCaps *srccaps;
/* Set channel position if we know it */
if (self->pos) {
if (self->keep_positions) {
GstAudioChannelPosition pos[1] = { GST_AUDIO_CHANNEL_POSITION_NONE };
srccaps = gst_caps_copy (caps);
s = gst_caps_get_structure (srccaps, 0);
gst_audio_set_channel_positions (s, &self->pos[i]);
if (self->pos)
gst_audio_set_channel_positions (s, &self->pos[i]);
else
gst_audio_set_channel_positions (s, pos);
} else {
srccaps = caps;
}
gst_pad_set_caps (pad, srccaps);
if (self->pos)
if (self->keep_positions)
gst_caps_unref (srccaps);
}
}
@ -548,6 +577,38 @@ gst_deinterleave_sink_event (GstPad * pad, GstEvent * event)
return ret;
}
static void
gst_deinterleave_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstDeinterleave *self = GST_DEINTERLEAVE (object);
switch (prop_id) {
case PROP_KEEP_POSITIONS:
self->keep_positions = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_deinterleave_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstDeinterleave *self = GST_DEINTERLEAVE (object);
switch (prop_id) {
case PROP_KEEP_POSITIONS:
g_value_set_boolean (value, self->keep_positions);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstFlowReturn
gst_deinterleave_process (GstDeinterleave * self, GstBuffer * buf)
{

1
gst/interleave/deinterleave.h
View file

@ -53,6 +53,7 @@ struct _GstDeinterleave
GstCaps *sinkcaps;
gint channels;
GstAudioChannelPosition *pos;
gboolean keep_positions;
GstPad *sink;