[FFmpeg-devel] [PATCH v2 4/4] vvcdec: reuse h26x/h2656_deblock_template.c

[Nuo Mi <nuomi2021@gmail.com>]

---
 libavcodec/vvc/vvc_filter_template.c | 82 +---------------------------
 1 file changed, 3 insertions(+), 79 deletions(-)

diff --git a/libavcodec/vvc/vvc_filter_template.c b/libavcodec/vvc/vvc_filter_template.c
index 9418980c33..671ed7de4e 100644
--- a/libavcodec/vvc/vvc_filter_template.c
+++ b/libavcodec/vvc/vvc_filter_template.c
@@ -461,6 +461,8 @@ static void FUNC(alf_recon_coeff_and_clip)(int16_t *coeff, int16_t *clip,
 #define FQ2 pix[2  * xstride + 1 * ystride]
 #define FQ3 pix[3  * xstride + 1 * ystride]
 
+#include "libavcodec/h26x/h2656_deblock_template.c"
+
 static void FUNC(loop_filter_luma_large)(pixel *pix, const ptrdiff_t xstride, const ptrdiff_t ystride, const int32_t tc,
     const uint8_t no_p, const uint8_t no_q, const uint8_t max_len_p, const uint8_t max_len_q)
 {
@@ -541,66 +543,6 @@ static void FUNC(loop_filter_luma_large)(pixel *pix, const ptrdiff_t xstride, co
     }
 }
 
-static void FUNC(loop_filter_luma_strong)(pixel *pix, const ptrdiff_t xstride, const ptrdiff_t ystride, const int32_t tc,
-    const uint8_t no_p, const uint8_t no_q)
-{
-    const int tc2 = tc << 1;
-    const int tc3 = tc * 3;
-    for (int d = 0; d < 4; d++) {
-        const int p3 = P3;
-        const int p2 = P2;
-        const int p1 = P1;
-        const int p0 = P0;
-        const int q0 = Q0;
-        const int q1 = Q1;
-        const int q2 = Q2;
-        const int q3 = Q3;
-        if (!no_p) {
-            P0 = p0 + av_clip(((p2 + 2 * p1 + 2 * p0 + 2 * q0 + q1 + 4) >> 3) - p0, -tc3, tc3);
-            P1 = p1 + av_clip(((p2 + p1 + p0 + q0 + 2) >> 2) - p1, -tc2, tc2);
-            P2 = p2 + av_clip(((2 * p3 + 3 * p2 + p1 + p0 + q0 + 4) >> 3) - p2, -tc, tc);
-        }
-        if (!no_q) {
-            Q0 = q0 + av_clip(((p1 + 2 * p0 + 2 * q0 + 2 * q1 + q2 + 4) >> 3) - q0, -tc3, tc3);
-            Q1 = q1 + av_clip(((p0 + q0 + q1 + q2 + 2) >> 2) - q1, -tc2, tc2);
-            Q2 = q2 + av_clip(((2 * q3 + 3 * q2 + q1 + q0 + p0 + 4) >> 3) - q2, -tc, tc);
-        }
-        pix += ystride;
-    }
-}
-
-static void FUNC(loop_filter_luma_weak)(pixel *pix, const ptrdiff_t xstride, const ptrdiff_t ystride,
-    const int32_t tc, const int32_t beta, const uint8_t no_p, const uint8_t no_q, const int nd_p, const int nd_q)
-{
-    const int tc_2 = tc >> 1;
-    for (int d = 0; d < 4; d++) {
-        const int p2 = P2;
-        const int p1 = P1;
-        const int p0 = P0;
-        const int q0 = Q0;
-        const int q1 = Q1;
-        const int q2 = Q2;
-        int delta0 = (9 * (q0 - p0) - 3 * (q1 - p1) + 8) >> 4;
-        if (abs(delta0) < 10 * tc) {
-            delta0 = av_clip(delta0, -tc, tc);
-            if (!no_p)
-                P0 = av_clip_pixel(p0 + delta0);
-            if (!no_q)
-                Q0 = av_clip_pixel(q0 - delta0);
-            if (!no_p && nd_p > 1) {
-                const int deltap1 = av_clip((((p2 + p0 + 1) >> 1) - p1 + delta0) >> 1, -tc_2, tc_2);
-                P1 = av_clip_pixel(p1 + deltap1);
-            }
-            if (!no_q && nd_q > 1) {
-                const int deltaq1 = av_clip((((q2 + q0 + 1) >> 1) - q1 - delta0) >> 1, -tc_2, tc_2);
-                Q1 = av_clip_pixel(q1 + deltaq1);
-            }
-        }
-        pix += ystride;
-    }
-
-}
-
 static void FUNC(vvc_loop_filter_luma)(uint8_t* _pix, ptrdiff_t _xstride, ptrdiff_t _ystride,
     const int32_t *_beta, const int32_t *_tc, const uint8_t *_no_p, const uint8_t *_no_q,
     const uint8_t *_max_len_p, const uint8_t *_max_len_q, int hor_ctu_edge)
@@ -673,7 +615,7 @@ static void FUNC(vvc_loop_filter_luma)(uint8_t* _pix, ptrdiff_t _xstride, ptrdif
                 abs(P3 - P0) + abs(Q3 - Q0) < beta_3 && abs(P0 - Q0) < tc25 &&
                 abs(TP3 - TP0) + abs(TQ3 - TQ0) < beta_3 && abs(TP0 - TQ0) < tc25 &&
                 (d0 << 1) < beta_2 && (d3 << 1) < beta_2) {
-                FUNC(loop_filter_luma_strong)(pix, xstride, ystride, tc, no_p, no_q);
+                FUNC(loop_filter_luma_strong)(pix, xstride, ystride, tc, tc << 1, tc * 3, no_p, no_q);
             } else { // weak filtering
                 int nd_p = 1;
                 int nd_q = 1;
@@ -737,24 +679,6 @@ static void FUNC(loop_filter_chroma_strong_one_side)(pixel *pix, const ptrdiff_t
     }
 }
 
-static void FUNC(loop_filter_chroma_weak)(pixel *pix, const ptrdiff_t xstride, const ptrdiff_t ystride,
-    const int size, const int32_t tc, const uint8_t no_p, const uint8_t no_q)
-{
-    for (int d = 0; d < size; d++) {
-        int delta0;
-        const int p1 = P1;
-        const int p0 = P0;
-        const int q0 = Q0;
-        const int q1 = Q1;
-        delta0 = av_clip((((q0 - p0) * 4) + p1 - q1 + 4) >> 3, -tc, tc);
-        if (!no_p)
-            P0 = av_clip_pixel(p0 + delta0);
-        if (!no_q)
-            Q0 = av_clip_pixel(q0 - delta0);
-        pix += ystride;
-    }
-}
-
 static void FUNC(vvc_loop_filter_chroma)(uint8_t *_pix, const ptrdiff_t  _xstride, const ptrdiff_t _ystride,
     const int32_t *_beta, const int32_t *_tc, const uint8_t *_no_p, const uint8_t *_no_q,
     const uint8_t *_max_len_p, const uint8_t *_max_len_q, const int shift)
-- 
2.25.1

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