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decklinkvideosink: Remove late frame-dropping workaround for basesink bug

Browse source 
This was fixed by https://bugzilla.gnome.org/show_bug.cgi?id=749258
in basesink, and is not necessary to duplicate here anymore.
This commit is contained in:
Sebastian Dröge 2015-06-13 11:40:14 +02:00
parent 4796cef882
commit e3aaff400a
2 changed files with 0 additions and 44 deletions
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43
sys/decklink/gstdecklinkvideosink.cpp
View file

@ -417,7 +417,6 @@ gst_decklink_video_sink_prepare (GstBaseSink * bsink, GstBuffer * buffer)
GstClockTime timestamp, duration;
GstClockTime running_time, running_time_duration;
gint i;
GstClock *clock;
GST_DEBUG_OBJECT (self, "Preparing buffer %p", buffer);
@ -440,47 +439,6 @@ gst_decklink_video_sink_prepare (GstBaseSink * bsink, GstBuffer * buffer)
gst_segment_to_running_time (&GST_BASE_SINK_CAST (self)->segment,
GST_FORMAT_TIME, timestamp + duration) - running_time;
// FIXME: https://bugzilla.gnome.org/show_bug.cgi?id=742916
// We need to drop late buffers here immediately instead of
// potentially overflowing the internal queue of the hardware
clock = gst_element_get_clock (GST_ELEMENT_CAST (self));
if (clock) {
GstClockTime clock_running_time, base_time, clock_time, latency,
max_lateness;
base_time = gst_element_get_base_time (GST_ELEMENT_CAST (self));
clock_time = gst_clock_get_time (clock);
if (base_time != GST_CLOCK_TIME_NONE && clock_time != GST_CLOCK_TIME_NONE) {
clock_running_time = clock_time - base_time;
latency = gst_base_sink_get_latency (GST_BASE_SINK_CAST (self));
max_lateness = gst_base_sink_get_max_lateness (GST_BASE_SINK_CAST (self));
if (clock_running_time >
running_time + running_time_duration + latency + max_lateness) {
GST_DEBUG_OBJECT (self,
"Late buffer: %" GST_TIME_FORMAT " > %" GST_TIME_FORMAT,
GST_TIME_ARGS (clock_running_time),
GST_TIME_ARGS (running_time + running_time_duration));
if (self->last_render_time == GST_CLOCK_TIME_NONE
|| (self->last_render_time < clock_running_time
&& clock_running_time - self->last_render_time >= GST_SECOND)) {
GST_DEBUG_OBJECT (self,
"Rendering frame nonetheless because we had none for more than 1s");
running_time = clock_running_time;
running_time_duration = 0;
} else {
GST_WARNING_OBJECT (self, "Dropping frame");
gst_object_unref (clock);
return GST_FLOW_OK;
}
}
}
gst_object_unref (clock);
}
self->last_render_time = running_time;
ret = self->output->output->CreateVideoFrame (self->info.width,
self->info.height, self->info.stride[0], bmdFormat8BitYUV,
bmdFrameFlagDefault, &frame);
@ -691,7 +649,6 @@ gst_decklink_video_sink_change_state (GstElement * element,
gst_element_post_message (element,
gst_message_new_clock_provide (GST_OBJECT_CAST (element),
self->output->clock, TRUE));
self->last_render_time = GST_CLOCK_TIME_NONE;
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:{
GstClock *clock, *audio_clock;

1
sys/decklink/gstdecklinkvideosink.h
View file

@ -56,7 +56,6 @@ struct _GstDecklinkVideoSink
GstClockTime internal_base_time;
GstClockTime external_base_time;
GstClockTime last_render_time;
GstDecklinkOutput *output;
};