Пример #1
0
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;
}
Пример #2
0
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;
}
Пример #4
0
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;
}
Пример #5
0
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;
  }
}
Пример #6
0
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);
      }
    }
  }
}