static GstFlowReturn
gst_gdk_pixbuf_chain (GstPad * pad, GstBuffer * buf)
{
GstGdkPixbuf *filter;
GstFlowReturn ret = GST_FLOW_OK;
GError *error = NULL;
GstClockTime timestamp;
guint8 *data;
guint size;
filter = GST_GDK_PIXBUF (gst_pad_get_parent (pad));
timestamp = GST_BUFFER_TIMESTAMP (buf);
if (GST_CLOCK_TIME_IS_VALID (timestamp))
filter->last_timestamp = timestamp;
GST_LOG_OBJECT (filter, "buffer with ts: %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
if (filter->pixbuf_loader == NULL)
filter->pixbuf_loader = gdk_pixbuf_loader_new ();
data = GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf);
GST_LOG_OBJECT (filter, "Writing buffer size %d", size);
if (!gdk_pixbuf_loader_write (filter->pixbuf_loader, data, size, &error))
goto error;
/* packetised mode? */
if (filter->framerate_numerator != 0) {
gdk_pixbuf_loader_close (filter->pixbuf_loader, NULL);
ret = gst_gdk_pixbuf_flush (filter);
g_object_unref (filter->pixbuf_loader);
filter->pixbuf_loader = NULL;
}
gst_buffer_unref (buf);
gst_object_unref (filter);
return ret;
/* ERRORS */
error:
{
GST_ELEMENT_ERROR (filter, STREAM, DECODE, (NULL),
("gdk_pixbuf_loader_write error: %s", error->message));
g_error_free (error);
gst_buffer_unref (buf);
gst_object_unref (filter);
return GST_FLOW_ERROR;
}
}
static gboolean
gst_gdk_pixbuf_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstFlowReturn res = GST_FLOW_OK;
gboolean ret = TRUE, forward = TRUE;
GstGdkPixbuf *pixbuf;
pixbuf = GST_GDK_PIXBUF (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
ret = gst_gdk_pixbuf_sink_setcaps (pixbuf, caps);
forward = FALSE;
break;
}
case GST_EVENT_EOS:
if (pixbuf->pixbuf_loader != NULL) {
gdk_pixbuf_loader_close (pixbuf->pixbuf_loader, NULL);
res = gst_gdk_pixbuf_flush (pixbuf);
g_object_unref (G_OBJECT (pixbuf->pixbuf_loader));
pixbuf->pixbuf_loader = NULL;
/* as long as we don't have flow returns for event functions we need
* to post an error here, or the application might never know that
* things failed */
if (res != GST_FLOW_OK && res != GST_FLOW_FLUSHING) {
GST_ELEMENT_ERROR (pixbuf, STREAM, FAILED, (NULL),
("Flow: %s", gst_flow_get_name (res)));
forward = FALSE;
ret = FALSE;
}
}
break;
case GST_EVENT_SEGMENT:
case GST_EVENT_FLUSH_STOP:
if (pixbuf->pixbuf_loader != NULL) {
gdk_pixbuf_loader_close (pixbuf->pixbuf_loader, NULL);
g_object_unref (G_OBJECT (pixbuf->pixbuf_loader));
pixbuf->pixbuf_loader = NULL;
}
break;
default:
break;
}
if (forward) {
ret = gst_pad_event_default (pad, parent, event);
} else {
gst_event_unref (event);
}
return ret;
}
static GstFlowReturn
gst_gdk_pixbuf_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstGdkPixbuf *filter;
GstFlowReturn ret = GST_FLOW_OK;
GError *error = NULL;
GstClockTime timestamp;
GstMapInfo map;
filter = GST_GDK_PIXBUF (parent);
timestamp = GST_BUFFER_TIMESTAMP (buf);
if (GST_CLOCK_TIME_IS_VALID (timestamp))
filter->last_timestamp = timestamp;
GST_LOG_OBJECT (filter, "buffer with ts: %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
if (filter->pixbuf_loader == NULL)
filter->pixbuf_loader = gdk_pixbuf_loader_new ();
gst_buffer_map (buf, &map, GST_MAP_READ);
GST_LOG_OBJECT (filter, "Writing buffer size %d", (gint) map.size);
if (!gdk_pixbuf_loader_write (filter->pixbuf_loader, map.data, map.size,
&error))
goto error;
/* packetised mode? */
if (filter->in_fps_n != 0) {
gdk_pixbuf_loader_close (filter->pixbuf_loader, NULL);
ret = gst_gdk_pixbuf_flush (filter);
g_object_unref (filter->pixbuf_loader);
filter->pixbuf_loader = NULL;
}
gst_buffer_unmap (buf, &map);
gst_buffer_unref (buf);
return ret;
/* ERRORS */
error:
{
GST_ELEMENT_ERROR (filter, STREAM, DECODE, (NULL),
("gdk_pixbuf_loader_write error: %s", error->message));
g_error_free (error);
gst_buffer_unmap (buf, &map);
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
}
