[FFmpeg-devel] [PATCH v3 1/6] libavfilter/vf_overlay.c: change the comment style for the following macro defined function

lance.lmwang at gmail.com lance.lmwang at gmail.com
Thu Jun 6 10:09:54 EEST 2019


From: Limin Wang <lance.lmwang at gmail.com>

Signed-off-by: Limin Wang <lance.lmwang at 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



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