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timecodestamper: Don't initialize upstream timecode with zero if none was seen

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Instead keep it unset and use the internal timecode wherever needed as
fallback.
This commit is contained in:
Sebastian Dröge 2019-10-23 14:29:06 +03:00
parent faffeaf839
commit b57687a772
1 changed files with 10 additions and 10 deletions
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20
gst/timecode/gsttimecodestamper.c
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@ -907,17 +907,14 @@ gst_timecodestamper_transform_ip (GstBaseTransform * vfilter,
if (timecodestamper->last_tc) {
gst_video_time_code_increment_frame (timecodestamper->last_tc);
} else {
/* We have no last known timecode so initialize with 0 here */
timecodestamper->last_tc =
gst_video_time_code_new (timecodestamper->vinfo.fps_n,
timecodestamper->vinfo.fps_d, dt_frame, tc_flags, 0, 0, 0, 0, 0);
}
tc_str = gst_video_time_code_to_string (timecodestamper->last_tc);
GST_DEBUG_OBJECT (timecodestamper, "Incremented upstream timecode to %s",
tc_str);
g_free (tc_str);
tc_str = gst_video_time_code_to_string (timecodestamper->last_tc);
GST_DEBUG_OBJECT (timecodestamper, "Incremented upstream timecode to %s",
tc_str);
g_free (tc_str);
} else {
GST_DEBUG_OBJECT (timecodestamper, "Never saw an upstream timecode");
}
}
/* Update RTC-based timecode */
@ -1164,6 +1161,9 @@ gst_timecodestamper_transform_ip (GstBaseTransform * vfilter,
break;
case GST_TIME_CODE_STAMPER_SOURCE_LAST_KNOWN:
tc = timecodestamper->last_tc;
if (!tc)
tc = timecodestamper->internal_tc;
break;
break;
case GST_TIME_CODE_STAMPER_SOURCE_LTC:
#if HAVE_LTC