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eglglessink: Add ::get_caps() vfunc that returns the actually supported caps

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This commit is contained in:
Sebastian Dröge 2012-09-20 16:08:28 +02:00
parent 86ebf86433
commit f9a5fc255d
1 changed files with 32 additions and 0 deletions
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32
ext/eglgles/gsteglglessink.c
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@ -224,6 +224,7 @@ static gboolean gst_eglglessink_start (GstBaseSink * sink);
static gboolean gst_eglglessink_stop (GstBaseSink * sink);
static GstFlowReturn gst_eglglessink_buffer_alloc (GstBaseSink * sink,
guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
static GstCaps *gst_eglglessink_getcaps (GstBaseSink * bsink);
/* XOverlay interface cruft */
static gboolean gst_eglglessink_interface_supported
@ -1586,6 +1587,36 @@ gst_eglglessink_show_frame (GstVideoSink * vsink, GstBuffer * buf)
return gst_eglglessink_render_and_display (eglglessink, buf);
}
static GstCaps *
gst_eglglessink_getcaps (GstBaseSink * bsink)
{
GstEglGlesSink *eglglessink;
GstCaps *ret = NULL;
eglglessink = GST_EGLGLESSINK (bsink);
g_mutex_lock (eglglessink->flow_lock);
if (eglglessink->egl_started) {
GList *l;
ret = gst_caps_new_empty ();
for (l = eglglessink->supported_fmts; l; l = l->next) {
GstEglGlesImageFmt *format = l->data;
gst_caps_append (ret, gst_caps_ref (format->caps));
}
} else {
ret =
gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SINK_PAD
(bsink)));
}
g_mutex_unlock (eglglessink->flow_lock);
return ret;
}
static gboolean
gst_eglglessink_setcaps (GstBaseSink * bsink, GstCaps * caps)
{
@ -1766,6 +1797,7 @@ gst_eglglessink_class_init (GstEglGlesSinkClass * klass)
gstbasesink_class->start = gst_eglglessink_start;
gstbasesink_class->stop = gst_eglglessink_stop;
gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_eglglessink_setcaps);
gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_eglglessink_getcaps);
gstbasesink_class->buffer_alloc = GST_DEBUG_FUNCPTR
(gst_eglglessink_buffer_alloc);