[FFmpeg-devel] [PATCH 2/2] avcodec/vvc: Remove write-only assignments in alf_filter_chroma

From: Zhao Zhili <quinkblack@foxmail.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Zhao Zhili <zhilizhao@tencent.com>
Subject: [FFmpeg-devel] [PATCH 2/2] avcodec/vvc: Remove write-only assignments in alf_filter_chroma
Date: Tue, 16 Jul 2024 10:49:57 +0800
Message-ID: <tencent_A04DA24FC0D538A716B8941645CD1CA02A07@qq.com> (raw)
In-Reply-To: <20240716024957.41421-1-quinkblack@foxmail.com>

From: Zhao Zhili <zhilizhao@tencent.com>

---
 libavcodec/vvc/filter_template.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/libavcodec/vvc/filter_template.c b/libavcodec/vvc/filter_template.c
index 32777452b7..6dd7310089 100644
--- a/libavcodec/vvc/filter_template.c
+++ b/libavcodec/vvc/filter_template.c
@@ -153,8 +153,6 @@ static void FUNC(alf_filter_chroma)(uint8_t* _dst, ptrdiff_t dst_stride, const u
             const pixel *s2 = s0 - src_stride;
             const pixel *s3 = s1 + src_stride;
             const pixel *s4 = s2 - src_stride;
-            const pixel *s5 = s3 + src_stride;
-            const pixel *s6 = s4 - src_stride;
 
             for (int i = 0; i < ALF_BLOCK_SIZE; i++) {
                 pixel *dst = (pixel *)_dst + (y + i) * dst_stride + x;
@@ -164,8 +162,6 @@ static void FUNC(alf_filter_chroma)(uint8_t* _dst, ptrdiff_t dst_stride, const u
                 const pixel *p2 = s2 + i * src_stride;
                 const pixel *p3 = s3 + i * src_stride;
                 const pixel *p4 = s4 + i * src_stride;
-                const pixel *p5 = s5 + i * src_stride;
-                const pixel *p6 = s6 + i * src_stride;
 
                 const int is_near_vb_above = (y + i <  vb_pos) && (y + i >= vb_pos - 1);
                 const int is_near_vb_below = (y + i >= vb_pos) && (y + i <= vb_pos);
@@ -174,19 +170,15 @@ static void FUNC(alf_filter_chroma)(uint8_t* _dst, ptrdiff_t dst_stride, const u
                 if ((y + i < vb_pos) && ((y + i) >= vb_above)) {
                     p1 = (y + i == vb_pos - 1) ? p0 : p1;
                     p3 = (y + i >= vb_pos - 2) ? p1 : p3;
-                    p5 = (y + i >= vb_pos - 3) ? p3 : p5;
 
                     p2 = (y + i == vb_pos - 1) ? p0 : p2;
                     p4 = (y + i >= vb_pos - 2) ? p2 : p4;
-                    p6 = (y + i >= vb_pos - 3) ? p4 : p6;
                 } else if ((y + i >= vb_pos) && ((y + i) <= vb_below)) {
                     p2 = (y + i == vb_pos    ) ? p0 : p2;
                     p4 = (y + i <= vb_pos + 1) ? p2 : p4;
-                    p6 = (y + i <= vb_pos + 2) ? p4 : p6;
 
                     p1 = (y + i == vb_pos    ) ? p0 : p1;
                     p3 = (y + i <= vb_pos + 1) ? p1 : p3;
-                    p5 = (y + i <= vb_pos + 2) ? p3 : p5;
                 }
 
                 for (int j = 0; j < ALF_BLOCK_SIZE; j++) {
@@ -212,8 +204,6 @@ static void FUNC(alf_filter_chroma)(uint8_t* _dst, ptrdiff_t dst_stride, const u
                     p2++;
                     p3++;
                     p4++;
-                    p5++;
-                    p6++;
                 }
             }
         }
-- 
2.42.0

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