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-rw-r--r--libavformat/mxfenc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
index fe7c9676f5..0acd74b3e7 100644
--- a/libavformat/mxfenc.c
+++ b/libavformat/mxfenc.c
@@ -1566,7 +1566,10 @@ static void mxf_write_system_item(AVFormatContext *s)
avio_wb64(pb, 0); // creation date/time stamp
avio_w8(pb, 0x81); // SMPTE 12M time code
- time_code = ff_framenum_to_smtpe_timecode(frame, mxf->timecode_base,
+ time_code = frame;
+ if (mxf->tc.drop)
+ time_code = ff_framenum_to_drop_timecode(time_code);
+ time_code = ff_framenum_to_smtpe_timecode(time_code, mxf->timecode_base,
mxf->tc.drop);
avio_wb32(pb, time_code);
avio_wb32(pb, 0); // binary group data