diff options
| author | Mark Reid <mindmark@gmail.com> | 2020-09-05 14:13:01 -0700 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2020-09-07 19:04:09 +0200 |
| commit | 5fcd83a244f26bcd9860e52a5bbcd53d8a8f89e6 (patch) | |
| tree | d1b25649befc4be040def09846f070fba512cd8e /libavfilter | |
| parent | 03415f25d295b1e16d07851a773ff30280dc8b9e (diff) | |
avfilter/vf_lut3d: support remaping negative values in the prelut
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/vf_lut3d.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/libavfilter/vf_lut3d.c b/libavfilter/vf_lut3d.c index 6730a424ce..988f6c8b55 100644 --- a/libavfilter/vf_lut3d.c +++ b/libavfilter/vf_lut3d.c @@ -878,18 +878,16 @@ static int parse_cinespace(AVFilterContext *ctx, FILE *f) prelut_sizes[i] = npoints; in_min[i] = FLT_MAX; - in_max[i] = FLT_MIN; + in_max[i] = -FLT_MAX; out_min[i] = FLT_MAX; - out_max[i] = FLT_MIN; - - last = FLT_MIN; + out_max[i] = -FLT_MAX; for (int j = 0; j < npoints; j++) { NEXT_FLOAT_OR_GOTO(v, end) in_min[i] = FFMIN(in_min[i], v); in_max[i] = FFMAX(in_max[i], v); in_prelut[i][j] = v; - if (v < last) { + if (j > 0 && v < last) { av_log(ctx, AV_LOG_ERROR, "Invalid file, non increasing prelut.\n"); ret = AVERROR(ENOMEM); goto end; |