static GstPadProbeReturn on_video_sink_data_flow (GstPad * pad, GstPadProbeInfo * info, gpointer user_data) { GstMiniObject *mini_obj = GST_PAD_PROBE_INFO_DATA (info); GstFPSDisplaySink *self = GST_FPS_DISPLAY_SINK (user_data); if (GST_IS_BUFFER (mini_obj)) { GstClockTime ts; /* assume the frame is going to be rendered. If it isnt', we'll get a qos * message and reset ->frames_rendered from there. */ g_atomic_int_inc (&self->frames_rendered); ts = gst_util_get_timestamp (); if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (self->start_ts))) { self->interval_ts = self->last_ts = self->start_ts = ts; } if (GST_CLOCK_DIFF (self->interval_ts, ts) > self->fps_update_interval) { display_current_fps (self); self->interval_ts = ts; } } return GST_PAD_PROBE_OK; }
static gboolean on_video_sink_data_flow (GstPad * pad, GstMiniObject * mini_obj, gpointer user_data) { GstFPSDisplaySink *self = GST_FPS_DISPLAY_SINK (user_data); #if 0 if (GST_IS_BUFFER (mini_obj)) { GstBuffer *buf = GST_BUFFER_CAST (mini_obj); if (GST_CLOCK_TIME_IS_VALID (self->next_ts)) { if (GST_BUFFER_TIMESTAMP (buf) <= self->next_ts) { self->frames_rendered++; } else { GST_WARNING_OBJECT (self, "dropping frame : ts %" GST_TIME_FORMAT " < expected_ts %" GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)), GST_TIME_ARGS (self->next_ts)); self->frames_dropped++; } } else { self->frames_rendered++; } } else #endif if (GST_IS_EVENT (mini_obj)) { GstEvent *ev = GST_EVENT_CAST (mini_obj); if (GST_EVENT_TYPE (ev) == GST_EVENT_QOS) { GstClockTimeDiff diff; GstClockTime ts; gst_event_parse_qos (ev, NULL, &diff, &ts); if (diff <= 0.0) { g_atomic_int_inc (&self->frames_rendered); } else { g_atomic_int_inc (&self->frames_dropped); } ts = gst_util_get_timestamp (); if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (self->start_ts))) { self->interval_ts = self->last_ts = self->start_ts = ts; } if (GST_CLOCK_DIFF (self->interval_ts, ts) > self->fps_update_interval) { display_current_fps (self); self->interval_ts = ts; } } } return TRUE; }