avfilter/vf_lut: make it possible to clip pixel values that are out of valid range

Previous behavior was not useful at all as such pixels where all mapped to 0.

Paul B Mahol committed 9 years ago

Commit aa234691 parent 72864541 file · +1 −1Browse files

Unified · Split

libavfilter/vf_lut.c+1−1

@@ -310,7 +310,7 @@ static int config_props(AVFilterLink *inlink) · 309 unmodified lines
310	s->var_values[VAR_MAXVAL] = max[color];	310	s->var_values[VAR_MAXVAL] = max[color];
311	s->var_values[VAR_MINVAL] = min[color];	311	s->var_values[VAR_MINVAL] = min[color];
312		312
313	for (val = 0; val < (1 << desc->comp[0].depth); val++) {	313	for (val = 0; val < FF_ARRAY_ELEMS(s->lut[comp]); val++) {
314	s->var_values[VAR_VAL] = val;	314	s->var_values[VAR_VAL] = val;
315	s->var_values[VAR_CLIPVAL] = av_clip(val, min[color], max[color]);	315	s->var_values[VAR_CLIPVAL] = av_clip(val, min[color], max[color]);
316	s->var_values[VAR_NEGVAL] =	316	s->var_values[VAR_NEGVAL] =