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textoverlay: keep untimestamped textbuffer until next one

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Instead of discarding untimestamped text-buffers immeditely after rendering,
keep them until we receive the next text buffer.
Fixes #654959
This commit is contained in:
Stefan Sauer 2011-07-20 13:46:31 +02:00
parent 69dcacf148
commit 0667b1adf5
1 changed files with 16 additions and 11 deletions
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7
ext/pango/gsttextoverlay.c
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@ -2390,6 +2390,11 @@ gst_text_overlay_text_chain (GstPad * pad, GstBuffer * buffer)
else if (GST_BUFFER_DURATION_IS_VALID (buffer))
GST_BUFFER_DURATION (buffer) = clip_stop - clip_start;
if (overlay->text_buffer
&& (!GST_BUFFER_TIMESTAMP_IS_VALID (overlay->text_buffer)
|| !GST_BUFFER_DURATION_IS_VALID (overlay->text_buffer))) {
gst_text_overlay_pop_text (overlay);
} else {
/* Wait for the previous buffer to go away */
while (overlay->text_buffer != NULL) {
GST_DEBUG ("Pad %s:%s has a buffer queued, waiting",
@ -2402,6 +2407,7 @@ gst_text_overlay_text_chain (GstPad * pad, GstBuffer * buffer)
goto beach;
}
}
}
if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer))
gst_segment_set_last_stop (&overlay->text_segment, GST_FORMAT_TIME,
@ -2548,7 +2554,6 @@ wait_for_text_buf:
!GST_BUFFER_DURATION_IS_VALID (overlay->text_buffer)) {
GST_WARNING_OBJECT (overlay,
"Got text buffer with invalid timestamp or duration");
pop_text = TRUE;
valid_text_time = FALSE;
} else {
text_start = GST_BUFFER_TIMESTAMP (overlay->text_buffer);