From: Zhao Zhili <[email protected]>
---
libavfilter/vf_histogram.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/libavfilter/vf_histogram.c b/libavfilter/vf_histogram.c
index 5185992de6..0d2d087beb 100644
--- a/libavfilter/vf_histogram.c
+++ b/libavfilter/vf_histogram.c
@@ -266,20 +266,20 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
const int is_chroma = (k == 1 || k == 2);
const int dst_h = AV_CEIL_RSHIFT(outlink->h, (is_chroma ?
h->odesc->log2_chroma_h : 0));
const int dst_w = AV_CEIL_RSHIFT(outlink->w, (is_chroma ?
h->odesc->log2_chroma_w : 0));
+ const int plane = h->odesc->comp[k].plane;
+ uint8_t *const data = out->data[plane];
+ const int linesize = out->linesize[plane];
if (h->histogram_size <= 256) {
for (i = 0; i < dst_h ; i++)
- memset(out->data[h->odesc->comp[k].plane] +
- i * out->linesize[h->odesc->comp[k].plane],
- h->bg_color[k], dst_w);
+ memset(data + i * linesize, h->bg_color[k], dst_w);
} else {
const int mult = h->mult;
- for (i = 0; i < dst_h ; i++)
- for (j = 0; j < dst_w; j++)
- AV_WN16(out->data[h->odesc->comp[k].plane] +
- i * out->linesize[h->odesc->comp[k].plane] + j * 2,
- h->bg_color[k] * mult);
+ for (j = 0; j < dst_w; j++)
+ AV_WN16(data + j * 2, h->bg_color[k] * mult);
+ for (i = 1; i < dst_h; i++)
+ memcpy(data + i * linesize, data, dst_w * 2);
}
}
--
2.22.0
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