From: Limin Wang <lance.lmw...@gmail.com>
Please try to reproduce with below command:
./ffplay -vf format=rgba64,colorbalance=rm=.2 ../fate-suite/mpeg2/t.mpg
Without the patch, the step is 8 if you check it by gdb or print out.
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
libavfilter/vf_colorbalance.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavfilter/vf_colorbalance.c b/libavfilter/vf_colorbalance.c
index eb870ac2ad..3fd1426696 100644
--- a/libavfilter/vf_colorbalance.c
+++ b/libavfilter/vf_colorbalance.c
@@ -303,6 +303,7 @@ static int config_output(AVFilterLink *outlink)
ColorBalanceContext *s = ctx->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
const int depth = desc->comp[0].depth;
+ const int is16bit = depth > 8;
const int max = 1 << depth;
const int planar = av_pix_fmt_count_planes(outlink->format) > 1;
@@ -319,7 +320,7 @@ static int config_output(AVFilterLink *outlink)
}
ff_fill_rgba_map(s->rgba_map, outlink->format);
- s->step = av_get_padded_bits_per_pixel(desc) >> 3;
+ s->step = av_get_padded_bits_per_pixel(desc) >> (3 + is16bit);
return 0;
}
--
2.21.0
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