From: Limin Wang <lance.lmw...@gmail.com>
---
libavfilter/vf_overlay.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/libavfilter/vf_overlay.c b/libavfilter/vf_overlay.c
index 0a8f089c0d..b468cedf2e 100644
--- a/libavfilter/vf_overlay.c
+++ b/libavfilter/vf_overlay.c
@@ -500,7 +500,7 @@ static av_always_inline void blend_plane(AVFilterContext
*ctx,
for (; k < kmax; k++) {
int alpha_v, alpha_h, alpha;
- // average alpha for color components, improve quality
+ /* average alpha for color components, improve quality */
if (hsub && vsub && j+1 < src_hp && k+1 < src_wp) {
alpha = (a[0] + a[src->linesize[3]] +
a[1] + a[src->linesize[3]+1]) >> 2;
@@ -512,10 +512,10 @@ static av_always_inline void blend_plane(AVFilterContext
*ctx,
alpha = (alpha_v + alpha_h) >> 1;
} else
alpha = a[0];
- // if the main channel has an alpha channel, alpha has to be
calculated
- // to create an un-premultiplied (straight) alpha value
+ /* if the main channel has an alpha channel, alpha has to be
calculated */
+ /* to create an un-premultiplied (straight) alpha value */
if (main_has_alpha && alpha != 0 && alpha != 255) {
- // average alpha for color components, improve quality
+ /* average alpha for color components, improve quality */
uint8_t alpha_d;
if (hsub && vsub && j+1 < src_hp && k+1 < src_wp) {
alpha_d = (da[0] + da[dst->linesize[3]] +
@@ -556,7 +556,7 @@ static inline void alpha_composite(const AVFrame *src,
const AVFrame *dst,
int x, int y,
int jobnr, int nb_jobs)
{
- uint8_t alpha; ///< the amount of overlay to blend on to main
+ uint8_t alpha; /* the amount of overlay to blend on to main */
uint8_t *s, *sa, *d, *da;
int i, imax, j, jmax;
int slice_start, slice_end;
@@ -587,7 +587,7 @@ static inline void alpha_composite(const AVFrame *src,
const AVFrame *dst,
*d = *s;
break;
default:
- // apply alpha compositing: main_alpha += (1-main_alpha) *
overlay_alpha
+ /* apply alpha compositing: main_alpha += (1-main_alpha) *
overlay_alpha */
*d += FAST_DIV255((255 - *d) * *s);
}
d += 1;
--
2.21.0
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
