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assrender: Drop text buffers before the segment start and clip running time end to the segment stop

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This commit is contained in:
Sebastian Dröge 2010-02-26 18:06:24 +01:00
parent 659776f1b1
commit 852be755dd
1 changed files with 17 additions and 0 deletions
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17
ext/assrender/gstassrender.c
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@ -1066,6 +1066,8 @@ gst_ass_render_chain_text (GstPad * pad, GstBuffer * buffer)
GstClockTime timestamp, duration;
GstClockTime sub_running_time, vid_running_time;
GstClockTime sub_running_time_end;
gint64 cstart, cstop;
gboolean in_seg;
if (render->subtitle_flushing) {
gst_buffer_unref (buffer);
@ -1083,6 +1085,21 @@ gst_ass_render_chain_text (GstPad * pad, GstBuffer * buffer)
return GST_FLOW_OK;
}
in_seg =
gst_segment_clip (&render->subtitle_segment, GST_FORMAT_TIME, timestamp,
timestamp + duration, &cstart, &cstop);
if (!in_seg) {
GST_DEBUG_OBJECT (render,
"Text buffer before segment start (%" GST_TIME_FORMAT " < %"
GST_TIME_FORMAT ")", GST_TIME_ARGS (timestamp),
GST_TIME_ARGS (render->subtitle_segment.start));
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
GST_BUFFER_TIMESTAMP (buffer) = timestamp = cstart;
GST_BUFFER_DURATION (buffer) = duration = cstop - cstart;
gst_segment_set_last_stop (&render->subtitle_segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (buffer));