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Code Issues Releases Activity

avfilter/tinterlace: Simplify checks for lowpass filtering flags

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This commit is contained in:
James Almer 2017-09-17 23:41:31 -03:00
parent 4492237e33
commit 3af1060319
1 changed files with 4 additions and 8 deletions
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12
libavfilter/vf_tinterlace.c
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@ -172,14 +172,12 @@ static int config_out_props(AVFilterLink *outlink)
tinterlace->black_linesize[i] * h);
}
}
if ((tinterlace->flags & TINTERLACE_FLAG_VLPF
|| tinterlace->flags & TINTERLACE_FLAG_CVLPF)
if (tinterlace->flags & (TINTERLACE_FLAG_VLPF | TINTERLACE_FLAG_CVLPF)
&& !(tinterlace->mode == MODE_INTERLEAVE_TOP
|| tinterlace->mode == MODE_INTERLEAVE_BOTTOM)) {
av_log(ctx, AV_LOG_WARNING, "low_pass_filter flags ignored with mode %d\n",
tinterlace->mode);
tinterlace->flags &= ~TINTERLACE_FLAG_VLPF;
tinterlace->flags &= ~TINTERLACE_FLAG_CVLPF;
tinterlace->flags &= ~(TINTERLACE_FLAG_VLPF | TINTERLACE_FLAG_CVLPF);
}
tinterlace->preout_time_base = inlink->time_base;
if (tinterlace->mode == MODE_INTERLACEX2) {
@ -263,10 +261,8 @@ void copy_picture_field(TInterlaceContext *tinterlace,
// Low-pass filtering is required when creating an interlaced destination from
// a progressive source which contains high-frequency vertical detail.
// Filtering will reduce interlace 'twitter' and Moire patterning.
if (flags & TINTERLACE_FLAG_VLPF || flags & TINTERLACE_FLAG_CVLPF) {
int x = 0;
if (flags & TINTERLACE_FLAG_CVLPF)
x = 1;
if (flags & (TINTERLACE_FLAG_VLPF | TINTERLACE_FLAG_CVLPF)) {
int x = !!(flags & TINTERLACE_FLAG_CVLPF);
for (h = lines; h > 0; h--) {
ptrdiff_t pref = src_linesize[plane];
ptrdiff_t mref = -pref;