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decklinkvideosink: Show video frames synchronously in PAUSED

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Otherwise we will only show the preroll frame once PLAYING is reached,
which is rather suboptimal for e.g. seeking in PAUSED.
This commit is contained in:
Sebastian Dröge 2017-02-01 17:11:37 +02:00
parent 8d723c5fe1
commit 2ab19144be
1 changed files with 11 additions and 0 deletions
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11
sys/decklink/gstdecklinkvideosink.cpp
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@ -661,6 +661,17 @@ gst_decklink_video_sink_prepare (GstBaseSink * bsink, GstBuffer * buffer)
convert_to_internal_clock (self, &running_time, &running_time_duration);
if (!self->output->started) {
GST_LOG_OBJECT (self, "Showing video frame synchronously because PAUSED");
ret = self->output->output->DisplayVideoFrameSync (frame);
if (ret != S_OK) {
GST_ELEMENT_ERROR (self, STREAM, FAILED,
(NULL), ("Failed to show video frame synchronously: 0x%08x", ret));
flow_ret = GST_FLOW_ERROR;
goto out;
}
}
GST_LOG_OBJECT (self, "Scheduling video frame %p at %" GST_TIME_FORMAT
" with duration %" GST_TIME_FORMAT, frame, GST_TIME_ARGS (running_time),
GST_TIME_ARGS (running_time_duration));