static gboolean
gst_gdk_pixbuf_dec_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event)
{
GstFlowReturn res = GST_FLOW_OK;
gboolean ret = TRUE, forward = TRUE;
GstGdkPixbufDec *pixbuf;
pixbuf = GST_GDK_PIXBUF_DEC (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
ret = gst_gdk_pixbuf_dec_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_dec_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_dec_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstGdkPixbufDec *filter;
GstFlowReturn ret = GST_FLOW_OK;
GError *error = NULL;
GstClockTime timestamp;
GstMapInfo map;
filter = GST_GDK_PIXBUF_DEC (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? *//* FIXME: shouln't this be fps_d != 0, since 0/1
* might be packetised mode but variable framerate */
if (filter->in_fps_n != 0) {
gdk_pixbuf_loader_close (filter->pixbuf_loader, NULL);
ret = gst_gdk_pixbuf_dec_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;
}
}
static GstStateChangeReturn
gst_gdk_pixbuf_dec_change_state (GstElement * element,
GstStateChange transition)
{
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GstGdkPixbufDec *dec = GST_GDK_PIXBUF_DEC (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
/* default to single image mode, setcaps function might not be called */
dec->in_fps_n = 0;
dec->in_fps_d = 1;
gst_video_info_init (&dec->info);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
dec->in_fps_n = 0;
dec->in_fps_d = 0;
if (dec->pool) {
gst_buffer_pool_set_active (dec->pool, FALSE);
gst_object_replace ((GstObject **) & dec->pool, NULL);
}
g_list_free_full (dec->pending_events, (GDestroyNotify) gst_event_unref);
dec->pending_events = NULL;
if (dec->pixbuf_loader != NULL) {
gdk_pixbuf_loader_close (dec->pixbuf_loader, NULL);
g_object_unref (G_OBJECT (dec->pixbuf_loader));
dec->pixbuf_loader = NULL;
}
break;
default:
break;
}
return ret;
}
static gboolean
gst_gdk_pixbuf_dec_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event)
{
GstFlowReturn res = GST_FLOW_OK;
gboolean ret = TRUE, forward = TRUE;
GstGdkPixbufDec *pixbuf;
pixbuf = GST_GDK_PIXBUF_DEC (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
ret = gst_gdk_pixbuf_dec_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_dec_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
&& res != GST_FLOW_EOS && res != GST_FLOW_NOT_LINKED) {
GST_ELEMENT_ERROR (pixbuf, STREAM, FAILED, (NULL), ("Flow: %s",
gst_flow_get_name (res)));
forward = FALSE;
ret = FALSE;
}
}
break;
case GST_EVENT_FLUSH_STOP:
g_list_free_full (pixbuf->pending_events,
(GDestroyNotify) gst_event_unref);
pixbuf->pending_events = NULL;
/* Fall through */
case GST_EVENT_SEGMENT:
{
const GstSegment *segment;
gst_event_parse_segment (event, &segment);
if (segment->format == GST_FORMAT_BYTES)
pixbuf->packetized = FALSE;
else
pixbuf->packetized = TRUE;
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) {
if (!gst_pad_has_current_caps (pixbuf->srcpad) &&
GST_EVENT_IS_SERIALIZED (event)
&& GST_EVENT_TYPE (event) > GST_EVENT_CAPS
&& GST_EVENT_TYPE (event) != GST_EVENT_FLUSH_STOP
&& GST_EVENT_TYPE (event) != GST_EVENT_EOS) {
ret = TRUE;
pixbuf->pending_events = g_list_prepend (pixbuf->pending_events, event);
} else {
ret = gst_pad_event_default (pad, parent, event);
}
} else {
gst_event_unref (event);
}
return ret;
}