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avfilter/vf_interlace: do not interlace already interlaced frames 

The filter used to work this way before it was merged into tinterlace.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2019-12-06 11:02:36 +01:00
parent 6498522bef
commit 4cd2cee7ed
1 changed files with 1 additions and 0 deletions
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libavfilter/vf_tinterlace.c
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@ -529,6 +529,7 @@ static int init_interlace(AVFilterContext *ctx)
if (tinterlace->mode <= MODE_BFF)
tinterlace->mode += MODE_INTERLEAVE_TOP;
tinterlace->flags |= TINTERLACE_FLAG_BYPASS_IL;
if (tinterlace->lowpass == VLPF_LIN)
tinterlace->flags |= TINTERLACE_FLAG_VLPF;
if (tinterlace->lowpass == VLPF_CMP)