static gboolean
gst_inter_video_sink_start (GstBaseSink * sink)
{
GstInterVideoSink *intervideosink = GST_INTER_VIDEO_SINK (sink);
intervideosink->surface = gst_inter_surface_get (intervideosink->channel);
return TRUE;
}
void
gst_inter_video_sink_finalize (GObject * object)
{
GstInterVideoSink *intervideosink = GST_INTER_VIDEO_SINK (object);
/* clean up object here */
g_free (intervideosink->channel);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gst_inter_video_sink_start (GstBaseSink * sink)
{
GstInterVideoSink *intervideosink = GST_INTER_VIDEO_SINK (sink);
intervideosink->surface = gst_inter_surface_get (intervideosink->channel);
g_mutex_lock (&intervideosink->surface->mutex);
memset (&intervideosink->surface->video_info, 0, sizeof (GstVideoInfo));
g_mutex_unlock (&intervideosink->surface->mutex);
return TRUE;
}
static GstFlowReturn
gst_inter_video_sink_render (GstBaseSink * sink, GstBuffer * buffer)
{
GstInterVideoSink *intervideosink = GST_INTER_VIDEO_SINK (sink);
g_mutex_lock (intervideosink->surface->mutex);
if (intervideosink->surface->video_buffer) {
gst_buffer_unref (intervideosink->surface->video_buffer);
}
intervideosink->surface->video_buffer = gst_buffer_ref (buffer);
intervideosink->surface->video_buffer_count = 0;
g_mutex_unlock (intervideosink->surface->mutex);
return GST_FLOW_OK;
}
void
gst_inter_video_sink_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GstInterVideoSink *intervideosink = GST_INTER_VIDEO_SINK (object);
switch (property_id) {
case PROP_CHANNEL:
g_value_set_string (value, intervideosink->channel);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gboolean
gst_inter_video_sink_stop (GstBaseSink * sink)
{
GstInterVideoSink *intervideosink = GST_INTER_VIDEO_SINK (sink);
g_mutex_lock (intervideosink->surface->mutex);
if (intervideosink->surface->video_buffer) {
gst_buffer_unref (intervideosink->surface->video_buffer);
}
intervideosink->surface->video_buffer = NULL;
g_mutex_unlock (intervideosink->surface->mutex);
gst_inter_surface_unref (intervideosink->surface);
intervideosink->surface = NULL;
return TRUE;
}
static GstFlowReturn
gst_inter_video_sink_show_frame (GstVideoSink * sink, GstBuffer * buffer)
{
GstInterVideoSink *intervideosink = GST_INTER_VIDEO_SINK (sink);
GST_DEBUG_OBJECT (intervideosink, "render ts %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_PTS (buffer)));
g_mutex_lock (&intervideosink->surface->mutex);
if (intervideosink->surface->video_buffer) {
gst_buffer_unref (intervideosink->surface->video_buffer);
}
intervideosink->surface->video_buffer = gst_buffer_ref (buffer);
intervideosink->surface->video_buffer_count = 0;
g_mutex_unlock (&intervideosink->surface->mutex);
return GST_FLOW_OK;
}
static gboolean
gst_inter_video_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
{
GstInterVideoSink *intervideosink = GST_INTER_VIDEO_SINK (sink);
GstVideoInfo info;
if (!gst_video_info_from_caps (&info, caps)) {
GST_ERROR_OBJECT (sink, "Failed to parse caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
g_mutex_lock (&intervideosink->surface->mutex);
intervideosink->surface->video_info = info;
intervideosink->info = info;
g_mutex_unlock (&intervideosink->surface->mutex);
return TRUE;
}
static void
gst_inter_video_sink_get_times (GstBaseSink * sink, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end)
{
GstInterVideoSink *intervideosink = GST_INTER_VIDEO_SINK (sink);
if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer)) {
*start = GST_BUFFER_TIMESTAMP (buffer);
if (GST_BUFFER_DURATION_IS_VALID (buffer)) {
*end = *start + GST_BUFFER_DURATION (buffer);
} else {
if (intervideosink->info.fps_n > 0) {
*end = *start +
gst_util_uint64_scale_int (GST_SECOND, intervideosink->info.fps_d,
intervideosink->info.fps_n);
}
}
}
}