[FFmpeg-devel] [PATCH v3] avcodec: Fix fate-checkasm-hevc_pel failed on LA.

Shiyou Yin yinshiyou-hf at loongson.cn
Fri Apr 18 04:37:08 EEST 2025


Some loop counters were initialized incorrectly.
This patch enhances the handling of loop iterations and residual parts.
---
 libavcodec/loongarch/hevc_mc_bi_lsx.c         | 299 ++++++----------
 libavcodec/loongarch/hevc_mc_uni_lsx.c        | 325 +++++-------------
 libavcodec/loongarch/hevcdsp_init_loongarch.c |   1 -
 libavcodec/loongarch/hevcdsp_lsx.c            | 233 +++++--------
 libavcodec/loongarch/hevcdsp_lsx.h            |   1 -
 5 files changed, 276 insertions(+), 583 deletions(-)

diff --git a/libavcodec/loongarch/hevc_mc_bi_lsx.c b/libavcodec/loongarch/hevc_mc_bi_lsx.c
index d7ddd1c246..feb85956ac 100644
--- a/libavcodec/loongarch/hevc_mc_bi_lsx.c
+++ b/libavcodec/loongarch/hevc_mc_bi_lsx.c
@@ -227,7 +227,7 @@ void hevc_bi_copy_8w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
                          const int16_t *src1_ptr, int32_t src2_stride,
                          uint8_t *dst, int32_t dst_stride, int32_t height)
 {
-    int32_t loop_cnt = height >> 3;
+    uint32_t loop_cnt;
     int32_t res = (height & 7) >> 1;
     int32_t src_stride_2x = (src_stride << 1);
     int32_t dst_stride_2x = (dst_stride << 1);
@@ -312,7 +312,8 @@ void hevc_bi_copy_12w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
                           const int16_t *src1_ptr, int32_t src2_stride,
                           uint8_t *dst, int32_t dst_stride, int32_t height)
 {
-    uint32_t loop_cnt;
+    uint32_t loop_cnt = height >> 2;
+    uint32_t res = (height & 3) >> 1;
     int32_t src_stride_2x = (src_stride << 1);
     int32_t dst_stride_2x = (dst_stride << 1);
     int32_t src_stride_4x = (src_stride << 2);
@@ -328,10 +329,9 @@ void hevc_bi_copy_12w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
     __m128i in0, in1, in2, in3, in4, in5, in6, in7;
     __m128i dst0, dst1, dst2, dst3, dst4, dst5;
 
-    for (loop_cnt = 4; loop_cnt--;) {
+    for (; loop_cnt--;) {
         src0 = __lsx_vld(src0_ptr, 0);
-        DUP2_ARG2(__lsx_vldx, src0_ptr, src_stride, src0_ptr, src_stride_2x,
-                  src1, src2);
+        DUP2_ARG2(__lsx_vldx, src0_ptr, src_stride, src0_ptr, src_stride_2x, src1, src2);
         src3 = __lsx_vldx(src0_ptr, src_stride_3x);
         src0_ptr += src_stride_4x;
         in0 = __lsx_vld(src1_ptr, 0);
@@ -340,8 +340,7 @@ void hevc_bi_copy_12w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
         in3 = __lsx_vldx(src1_ptr, src2_stride_3x);
         src1_ptr += src2_stride_2x;
         in4 = __lsx_vld(_src1, 0);
-        DUP2_ARG2(__lsx_vldx, _src1, src2_stride_x, _src1, src2_stride_2x,
-                  in5, in6);
+        DUP2_ARG2(__lsx_vldx, _src1, src2_stride_x, _src1, src2_stride_2x, in5, in6);
         in7 = __lsx_vldx(_src1, src2_stride_3x);
         _src1 += src2_stride_2x;
 
@@ -363,6 +362,31 @@ void hevc_bi_copy_12w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
         __lsx_vstelm_w(out2, dst + dst_stride_3x, 8, 3);
         dst += dst_stride_4x;
     }
+    for (;res--;) {
+        src0 = __lsx_vld(src0_ptr, 0);
+        src1 = __lsx_vld(src0_ptr + src_stride, 0);
+        in0  = __lsx_vld(src1_ptr, 0);
+        in1  = __lsx_vldx(src1_ptr, src2_stride_x);
+        dst0 = __lsx_vsllwil_hu_bu(src0, 6);
+        dst1 = __lsx_vsllwil_hu_bu(src1, 6);
+        out0 = hevc_bi_rnd_clip(in0, dst0, in1, dst1);
+        __lsx_vstelm_d(out0, dst, 0, 0);
+        __lsx_vstelm_d(out0, dst + dst_stride, 0, 1);
+
+        in0 = __lsx_vldrepl_d(_src1, 0);
+        in1 = __lsx_vldrepl_d(_src1 + src2_stride, 0);
+        src0 = __lsx_vilvh_w(src1, src0);
+        in0  = __lsx_vilvl_d(in1, in0);
+        dst0 = __lsx_vsllwil_hu_bu(src0, 6);
+        dst0 = __lsx_vsadd_h(dst0, in0);
+        dst0 = __lsx_vssrarni_bu_h(dst0, dst0, 7);
+        __lsx_vstelm_w(dst0, dst, 8, 0);
+        __lsx_vstelm_w(dst0, dst + dst_stride, 8, 1);
+        src0_ptr += src_stride_2x;
+        _src1 += src2_stride_x;
+        src1_ptr += src2_stride_x;
+        dst += dst_stride_2x;
+    }
 }
 
 static
@@ -370,7 +394,8 @@ void hevc_bi_copy_16w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
                           const int16_t *src1_ptr, int32_t src2_stride,
                           uint8_t *dst, int32_t dst_stride, int32_t height)
 {
-    uint32_t loop_cnt;
+    uint32_t loop_cnt = height >> 2;
+    uint32_t res = (height & 3) >> 1;
     int32_t src_stride_2x = (src_stride << 1);
     int32_t dst_stride_2x = (dst_stride << 1);
     int32_t src_stride_4x = (src_stride << 2);
@@ -387,7 +412,7 @@ void hevc_bi_copy_16w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
     __m128i dst0_r, dst1_r, dst2_r, dst3_r, dst0_l, dst1_l, dst2_l, dst3_l;
     __m128i zero = {0};
 
-    for (loop_cnt = (height >> 2); loop_cnt--;) {
+    for (; loop_cnt--;) {
         src0 = __lsx_vld(src0_ptr, 0);
         DUP2_ARG2(__lsx_vldx, src0_ptr, src_stride, src0_ptr, src_stride_2x,
                   src1, src2);
@@ -420,6 +445,27 @@ void hevc_bi_copy_16w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
         __lsx_vstx(out3, dst, dst_stride_3x);
         dst += dst_stride_4x;
     }
+    for (;res--;) {
+        src0 = __lsx_vld(src0_ptr, 0);
+        src1 = __lsx_vldx(src0_ptr, src_stride);
+        in0 = __lsx_vld(src1_ptr, 0);
+        in1 = __lsx_vldx(src1_ptr, src2_stride_x);
+        in4 = __lsx_vld(_src1, 0);
+        in5 = __lsx_vldx(_src1, src2_stride_x);
+
+        DUP2_ARG2(__lsx_vsllwil_hu_bu, src0, 6, src1, 6, dst0_r, dst1_r);
+        DUP2_ARG2(__lsx_vilvh_b, zero, src0, zero, src1, dst0_l, dst1_l);
+        DUP2_ARG2(__lsx_vslli_h, dst0_l, 6, dst1_l, 6, dst0_l, dst1_l);
+        out0 = hevc_bi_rnd_clip(in0, dst0_r, in4, dst0_l);
+        out1 = hevc_bi_rnd_clip(in1, dst1_r, in5, dst1_l);
+        __lsx_vst(out0, dst, 0);
+        __lsx_vstx(out1, dst, dst_stride);
+
+        src0_ptr += src_stride_2x;
+        _src1 += src2_stride_x;
+        src1_ptr += src2_stride_x;
+        dst += dst_stride_2x;
+    }
 }
 
 static
@@ -1061,7 +1107,8 @@ static void hevc_hz_4t_24w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
 {
     const int16_t *src1_ptr_tmp;
     uint8_t *dst_tmp;
-    uint32_t loop_cnt;
+    uint32_t loop_cnt = height >> 2;
+    uint32_t res = (height & 3) >> 1;
     int32_t dst_stride_2x = (dst_stride << 1);
     int32_t dst_stride_4x = (dst_stride << 2);
     int32_t dst_stride_3x = dst_stride_2x + dst_stride;
@@ -1086,7 +1133,7 @@ static void hevc_hz_4t_24w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
     dst_tmp = dst + 16;
     src1_ptr_tmp = src1_ptr + 16;
 
-    for (loop_cnt = (height >> 2); loop_cnt--;) {
+    for (; loop_cnt--;) {
         DUP2_ARG2(__lsx_vld, src0_ptr, 0, src0_ptr, 16, src0, src1);
         src0_ptr += src_stride;
         DUP2_ARG2(__lsx_vld, src0_ptr, 0, src0_ptr, 16, src2, src3);
@@ -1155,6 +1202,42 @@ static void hevc_hz_4t_24w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
         __lsx_vstelm_d(dst1, dst_tmp + dst_stride_3x, 0, 1);
         dst_tmp += dst_stride_4x;
     }
+    for (; res--;) {
+        DUP2_ARG2(__lsx_vld, src0_ptr, 0, src0_ptr, 16, src0, src1);
+        src0_ptr += src_stride;
+        DUP2_ARG2(__lsx_vld, src0_ptr, 0, src0_ptr, 16, src2, src3);
+        src0_ptr += src_stride;
+        DUP2_ARG2(__lsx_vld, src1_ptr, 0, src1_ptr, 16, in0, in1);
+        src1_ptr += src2_stride;
+        DUP2_ARG2(__lsx_vld, src1_ptr, 0, src1_ptr, 16, in2, in3);
+        src1_ptr += src2_stride;
+
+        DUP4_ARG3(__lsx_vshuf_b, src0, src0, mask0, src1, src0, mask2, src2,
+                  src2, mask0, src3, src2, mask2, vec0, vec1, vec2, vec3);
+        DUP4_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec1, filt0, vec2, filt0,
+                  vec3, filt0, dst0, dst1, dst2, dst3);
+        DUP4_ARG3(__lsx_vshuf_b, src0, src0, mask1, src1, src0, mask3, src2,
+                  src2, mask1, src3, src2, mask3, vec0, vec1, vec2, vec3);
+        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec0, filt1, dst1, vec1, filt1,
+                  dst2, vec2, filt1, dst3, vec3, filt1, dst0, dst1, dst2, dst3);
+        dst0 = hevc_bi_rnd_clip(in0, dst0, in1, dst1);
+        dst1 = hevc_bi_rnd_clip(in2, dst2, in3, dst3);
+        __lsx_vst(dst0, dst, 0);
+        __lsx_vstx(dst1, dst, dst_stride);
+        dst += dst_stride_2x;
+
+        in0 = __lsx_vld(src1_ptr_tmp, 0);
+        in1 = __lsx_vldx(src1_ptr_tmp, src2_stride_x);
+        src1_ptr_tmp += src2_stride_x;
+        DUP2_ARG3(__lsx_vshuf_b, src1, src1, mask0, src3, src3, mask0,  vec0, vec1);
+        DUP2_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec1, filt0, dst0, dst1);
+        DUP2_ARG3(__lsx_vshuf_b, src1, src1, mask1, src3, src3, mask1, vec0, vec1);
+        DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec0, filt1, dst1, vec1, filt1, dst0, dst1);
+        dst0 = hevc_bi_rnd_clip(in0, dst0, in1, dst1);
+        __lsx_vstelm_d(dst0, dst_tmp, 0, 0);
+        __lsx_vstelm_d(dst0, dst_tmp + dst_stride, 0, 1);
+        dst_tmp += dst_stride_2x;
+    }
 }
 
 static void hevc_hz_4t_32w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
@@ -1206,7 +1289,7 @@ static void hevc_vt_4t_12w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
                                uint8_t *dst, int32_t dst_stride,
                                const int8_t *filter, int32_t height)
 {
-    int32_t loop_cnt;
+    uint32_t loop_cnt;
     int32_t src_stride_2x = (src_stride << 1);
     int32_t dst_stride_2x = (dst_stride << 1);
     int32_t dst_stride_4x = (dst_stride << 2);
@@ -1295,7 +1378,7 @@ static void hevc_vt_4t_16w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
                                uint8_t *dst, int32_t dst_stride,
                                const int8_t *filter, int32_t height)
 {
-    int32_t loop_cnt;
+    uint32_t loop_cnt = height >> 2;
     const int32_t src_stride_2x = (src_stride << 1);
     const int32_t dst_stride_2x = (dst_stride << 1);
     const int32_t src_stride_3x = src_stride_2x + src_stride;
@@ -1316,7 +1399,7 @@ static void hevc_vt_4t_16w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
     DUP2_ARG2(__lsx_vilvl_b, src1, src0, src2, src1, src10_r, src21_r);
     DUP2_ARG2(__lsx_vilvh_b, src1, src0, src2, src1, src10_l, src21_l);
 
-    for (loop_cnt = (height >> 2); loop_cnt--;) {
+    for (; loop_cnt--;) {
         src3 = __lsx_vld(src0_ptr, 0);
         src4 = __lsx_vldx(src0_ptr, src_stride);
         src0_ptr += src_stride_2x;
@@ -1480,193 +1563,6 @@ static void hevc_vt_4t_32w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
                        dst + 16, dst_stride, filter, height);
 }
 
-static void hevc_hv_4t_6w_lsx(const uint8_t *src0_ptr, int32_t src_stride,
-                              const int16_t *src1_ptr, int32_t src2_stride,
-                              uint8_t *dst, int32_t dst_stride,
-                              const int8_t *filter_x, const int8_t *filter_y,
-                              int32_t height)
-{
-    int32_t src_stride_2x = (src_stride << 1);
-    int32_t dst_stride_2x = (dst_stride << 1);
-    int32_t src_stride_4x = (src_stride << 2);
-    int32_t dst_stride_4x = (dst_stride << 2);
-    int32_t src2_stride_2x = (src2_stride << 1);
-    int32_t src2_stride_4x = (src2_stride << 2);
-    int32_t src_stride_3x = src_stride_2x + src_stride;
-    int32_t dst_stride_3x = dst_stride_2x + dst_stride;
-    int32_t src2_stride_3x = src2_stride_2x + src2_stride;
-    __m128i out0, out1;
-    __m128i src0, src1, src2, src3, src4, src5, src6;
-    __m128i vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7, mask1;
-    __m128i filt0, filt1, filt_h0, filt_h1;
-    __m128i dsth0, dsth1, dsth2, dsth3, dsth4, dsth5;
-    __m128i dsth6, dsth7, dsth8, dsth9, dsth10;
-    __m128i dst0_r, dst0_l, dst1_r, dst1_l, dst2_r, dst2_l, dst3_r, dst3_l;
-    __m128i dst4_r, dst5_r, dst6_r, dst7_r;
-    __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
-    __m128i reg0, reg1, reg2, reg3;
-    __m128i mask0 = __lsx_vld(ff_hevc_mask_arr, 0);
-
-    src0_ptr -= (src_stride + 1);
-    DUP2_ARG2(__lsx_vldrepl_h, filter_x, 0, filter_x, 2, filt0, filt1);
-
-    filt_h1 = __lsx_vld(filter_y, 0);
-    filt_h1 = __lsx_vsllwil_h_b(filt_h1, 0);
-    DUP2_ARG2(__lsx_vreplvei_w, filt_h1, 0, filt_h1, 1, filt_h0, filt_h1);
-
-    mask1 = __lsx_vaddi_bu(mask0, 2);
-
-    src0 = __lsx_vld(src0_ptr, 0);
-    DUP2_ARG2(__lsx_vldx, src0_ptr, src_stride, src0_ptr, src_stride_2x,
-              src1, src2);
-    src0_ptr += src_stride_3x;
-
-    DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask0, src0, src0, mask1, vec0, vec1);
-    DUP2_ARG3(__lsx_vshuf_b, src1, src1, mask0, src1, src1, mask1, vec2, vec3);
-    DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask0, src2, src2, mask1, vec4, vec5);
-
-    DUP2_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, dsth0, dsth1);
-    dsth2 = __lsx_vdp2_h_bu_b(vec4, filt0);
-    DUP2_ARG3(__lsx_vdp2add_h_bu_b, dsth0, vec1, filt1, dsth1, vec3, filt1,
-              dsth0, dsth1);
-    dsth2 = __lsx_vdp2add_h_bu_b(dsth2, vec5, filt1);
-
-    DUP2_ARG2(__lsx_vilvl_h, dsth1, dsth0, dsth2, dsth1, tmp0, tmp2);
-    DUP2_ARG2(__lsx_vilvh_h, dsth1, dsth0, dsth2, dsth1, tmp1, tmp3);
-
-    src3 = __lsx_vld(src0_ptr, 0);
-    DUP2_ARG2(__lsx_vldx, src0_ptr, src_stride, src0_ptr, src_stride_2x,
-              src4, src5);
-    src6 = __lsx_vldx(src0_ptr, src_stride_3x);
-    src0_ptr += src_stride_4x;
-    DUP2_ARG3(__lsx_vshuf_b, src3, src3, mask0, src3, src3, mask1, vec0, vec1);
-    DUP2_ARG3(__lsx_vshuf_b, src4, src4, mask0, src4, src4, mask1, vec2, vec3);
-    DUP2_ARG3(__lsx_vshuf_b, src5, src5, mask0, src5, src5, mask1, vec4, vec5);
-    DUP2_ARG3(__lsx_vshuf_b, src6, src6, mask0, src6, src6, mask1, vec6, vec7);
-
-    DUP4_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, vec4, filt0, vec6,
-              filt0, dsth3, dsth4, dsth5, dsth6);
-    DUP4_ARG3(__lsx_vdp2add_h_bu_b, dsth3, vec1, filt1, dsth4, vec3, filt1, dsth5,
-              vec5, filt1, dsth6, vec7, filt1, dsth3, dsth4, dsth5, dsth6);
-
-    src3 = __lsx_vld(src0_ptr, 0);
-    DUP2_ARG2(__lsx_vldx, src0_ptr, src_stride, src0_ptr, src_stride_2x,
-              src4, src5);
-    src6 = __lsx_vldx(src0_ptr, src_stride_3x);
-
-    DUP2_ARG3(__lsx_vshuf_b, src3, src3, mask0, src3, src3, mask1, vec0, vec1);
-    DUP2_ARG3(__lsx_vshuf_b, src4, src4, mask0, src4, src4, mask1, vec2, vec3);
-    DUP2_ARG3(__lsx_vshuf_b, src5, src5, mask0, src5, src5, mask1, vec4, vec5);
-    DUP2_ARG3(__lsx_vshuf_b, src6, src6, mask0, src6, src6, mask1, vec6, vec7);
-
-    DUP4_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, vec4, filt0, vec6,
-              filt0, dsth7, dsth8, dsth9, dsth10);
-    DUP4_ARG3(__lsx_vdp2add_h_bu_b, dsth7, vec1, filt1, dsth8, vec3, filt1, dsth9,
-              vec5, filt1, dsth10, vec7, filt1, dsth7, dsth8, dsth9, dsth10);
-
-    DUP2_ARG2(__lsx_vilvl_h, dsth3, dsth2, dsth4, dsth3, tmp4, tmp6);
-    DUP2_ARG2(__lsx_vilvh_h, dsth3, dsth2, dsth4, dsth3, tmp5, tmp7);
-    DUP2_ARG2(__lsx_vilvl_h, dsth5, dsth4, dsth6, dsth5, dsth0, dsth2);
-    DUP2_ARG2(__lsx_vilvh_h, dsth5, dsth4, dsth6, dsth5, dsth1, dsth3);
-    DUP4_ARG2(__lsx_vdp2_w_h, tmp0, filt_h0, tmp2, filt_h0, tmp4, filt_h0,
-              tmp6, filt_h0, dst0_r, dst1_r, dst2_r, dst3_r);
-    DUP4_ARG3(__lsx_vdp2add_w_h, dst0_r, tmp4, filt_h1, dst1_r, tmp6,
-              filt_h1, dst2_r, dsth0, filt_h1, dst3_r, dsth2, filt_h1,
-              dst0_r, dst1_r, dst2_r, dst3_r);
-    DUP2_ARG2(__lsx_vpickev_d, tmp3, tmp1, tmp7, tmp5, tmp0, tmp8);
-    dst0_l = __lsx_vdp2_w_h(tmp0, filt_h0);
-    dst0_l = __lsx_vdp2add_w_h(dst0_l, tmp8, filt_h1);
-
-    DUP2_ARG2(__lsx_vilvl_h, dsth7, dsth6, dsth8, dsth7, tmp0, tmp2);
-    DUP2_ARG2(__lsx_vilvh_h, dsth7, dsth6, dsth8, dsth7, tmp1, tmp3);
-    DUP2_ARG2(__lsx_vilvl_h, dsth9, dsth8, dsth10, dsth9, tmp4, tmp6);
-    DUP2_ARG2(__lsx_vilvh_h, dsth9, dsth8, dsth10, dsth9, tmp5, tmp7);
-    DUP4_ARG2(__lsx_vdp2_w_h, dsth0, filt_h0, dsth2, filt_h0, tmp0, filt_h0,
-              tmp2, filt_h0, dst4_r, dst5_r, dst6_r, dst7_r);
-    DUP4_ARG3(__lsx_vdp2add_w_h, dst4_r, tmp0, filt_h1, dst5_r, tmp2,
-              filt_h1, dst6_r, tmp4, filt_h1, dst7_r, tmp6, filt_h1,
-              dst4_r, dst5_r, dst6_r, dst7_r);
-    DUP2_ARG2(__lsx_vpickev_d, dsth3, dsth1, tmp3, tmp1, tmp0, tmp1);
-    tmp2 = __lsx_vpickev_d(tmp7, tmp5);
-
-    DUP2_ARG2(__lsx_vdp2_w_h, tmp8, filt_h0, tmp0, filt_h0, dst1_l, dst2_l);
-    dst3_l = __lsx_vdp2_w_h(tmp1, filt_h0);
-    DUP2_ARG3(__lsx_vdp2add_w_h, dst1_l, tmp0, filt_h1, dst2_l, tmp1, filt_h1,
-              dst1_l, dst2_l);
-    dst3_l = __lsx_vdp2add_w_h(dst3_l, tmp2, filt_h1);
-
-    DUP4_ARG2(__lsx_vsrai_d, dst0_r, 6, dst1_r, 6, dst2_r, 6, dst3_r, 6,
-              dst0_r, dst1_r, dst2_r, dst3_r);
-    DUP4_ARG2(__lsx_vsrai_d, dst4_r, 6, dst5_r, 6, dst6_r, 6, dst7_r, 6,
-              dst4_r, dst5_r, dst6_r, dst7_r);
-    DUP4_ARG2(__lsx_vsrai_d, dst0_l, 6, dst1_l, 6, dst2_l, 6, dst3_l, 6,
-              dst0_l, dst1_l, dst2_l, dst3_l);
-    DUP2_ARG2(__lsx_vpickev_h, dst1_r, dst0_r, dst3_r, dst2_r, tmp0, tmp1);
-    DUP2_ARG2(__lsx_vpickev_h, dst5_r, dst4_r, dst7_r, dst6_r, tmp2, tmp3);
-    DUP2_ARG2(__lsx_vpickev_h, dst1_l, dst0_l, dst3_l, dst2_l, tmp4, tmp5);
-
-    reg0 = __lsx_vldrepl_d(src1_ptr, 0);
-    reg1 = __lsx_vldrepl_d(src1_ptr + src2_stride, 0);
-    dsth0 = __lsx_vilvl_d(reg1, reg0);
-    reg0 = __lsx_vldrepl_d(src1_ptr + src2_stride_2x, 0);
-    reg1 = __lsx_vldrepl_d(src1_ptr + src2_stride_3x, 0);
-    dsth1 = __lsx_vilvl_d(reg1, reg0);
-    src1_ptr += src2_stride_4x;
-    reg0 = __lsx_vldrepl_d(src1_ptr, 0);
-    reg1 = __lsx_vldrepl_d(src1_ptr + src2_stride, 0);
-    dsth2 = __lsx_vilvl_d(reg1, reg0);
-    reg0 = __lsx_vldrepl_d(src1_ptr + src2_stride_2x, 0);
-    reg1 = __lsx_vldrepl_d(src1_ptr + src2_stride_3x, 0);
-    dsth3 = __lsx_vilvl_d(reg1, reg0);
-
-    DUP4_ARG2(__lsx_vsadd_h, dsth0, tmp0, dsth1, tmp1, dsth2, tmp2, dsth3,
-              tmp3, tmp0, tmp1, tmp2, tmp3);
-    DUP4_ARG2(__lsx_vmaxi_h, tmp0, 0, tmp1, 0, tmp2, 0, tmp3, 0,
-              tmp0, tmp1, tmp2, tmp3);
-    DUP2_ARG3(__lsx_vssrlrni_bu_h, tmp1, tmp0, 7, tmp3, tmp2, 7, out0, out1);
-
-    __lsx_vstelm_w(out0, dst, 0, 0);
-    __lsx_vstelm_w(out0, dst + dst_stride, 0, 1);
-    __lsx_vstelm_w(out0, dst + dst_stride_2x, 0, 2);
-    __lsx_vstelm_w(out0, dst + dst_stride_3x, 0, 3);
-    dst += dst_stride_4x;
-    __lsx_vstelm_w(out1, dst, 0, 0);
-    __lsx_vstelm_w(out1, dst + dst_stride, 0, 1);
-    __lsx_vstelm_w(out1, dst + dst_stride_2x, 0, 2);
-    __lsx_vstelm_w(out1, dst + dst_stride_3x, 0, 3);
-    dst -= dst_stride_4x;
-
-    src1_ptr -= src2_stride_4x;
-
-    reg0 = __lsx_vldrepl_w(src1_ptr, 8);
-    reg1 = __lsx_vldrepl_w(src1_ptr + src2_stride, 8);
-    reg2 = __lsx_vldrepl_w(src1_ptr + src2_stride_2x, 8);
-    reg3 = __lsx_vldrepl_w(src1_ptr + src2_stride_3x, 8);
-    DUP2_ARG2(__lsx_vilvl_w, reg1, reg0, reg3, reg2, tmp0, tmp1);
-    dsth4 = __lsx_vilvl_d(tmp1, tmp0);
-    src1_ptr += src2_stride_4x;
-
-    reg0 = __lsx_vldrepl_w(src1_ptr, 8);
-    reg1 = __lsx_vldrepl_w(src1_ptr + src2_stride, 8);
-    reg2 = __lsx_vldrepl_w(src1_ptr + src2_stride_2x, 8);
-    reg3 = __lsx_vldrepl_w(src1_ptr + src2_stride_3x, 8);
-    DUP2_ARG2(__lsx_vilvl_w, reg1, reg0, reg3, reg2, tmp0, tmp1);
-    dsth5 = __lsx_vilvl_d(tmp1, tmp0);
-    DUP2_ARG2(__lsx_vsadd_h, dsth4, tmp4, dsth5, tmp5, tmp4, tmp5);
-    DUP2_ARG2(__lsx_vmaxi_h, tmp4, 0, tmp5, 7, tmp4, tmp5);
-    out0 = __lsx_vssrlrni_bu_h(tmp5, tmp4, 7);
-
-    __lsx_vstelm_h(out0, dst, 4, 0);
-    __lsx_vstelm_h(out0, dst + dst_stride, 4, 1);
-    __lsx_vstelm_h(out0, dst + dst_stride_2x, 4, 2);
-    __lsx_vstelm_h(out0, dst + dst_stride_3x, 4, 3);
-    dst += dst_stride_4x;
-    __lsx_vstelm_h(out0, dst, 4, 4);
-    __lsx_vstelm_h(out0, dst + dst_stride, 4, 5);
-    __lsx_vstelm_h(out0, dst + dst_stride_2x, 4, 6);
-    __lsx_vstelm_h(out0, dst + dst_stride_3x, 4, 7);
-}
-
 static av_always_inline
 void hevc_hv_4t_8x2_lsx(const uint8_t *src0_ptr, int32_t src_stride, const int16_t *src1_ptr,
                         int32_t src2_stride, uint8_t *dst, int32_t dst_stride,
@@ -2281,7 +2177,6 @@ BI_MC_HV(qpel, 48, 8);
 BI_MC_HV(qpel, 64, 8);
 
 BI_MC_HV(epel, 8, 4);
-BI_MC_HV(epel, 6, 4);
 BI_MC_HV(epel, 16, 4);
 BI_MC_HV(epel, 24, 4);
 BI_MC_HV(epel, 32, 4);
diff --git a/libavcodec/loongarch/hevc_mc_uni_lsx.c b/libavcodec/loongarch/hevc_mc_uni_lsx.c
index 6bdc27a824..5ec115bab1 100644
--- a/libavcodec/loongarch/hevc_mc_uni_lsx.c
+++ b/libavcodec/loongarch/hevc_mc_uni_lsx.c
@@ -545,7 +545,7 @@ static void hevc_hv_8t_64w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *
 }
 
 static av_always_inline
-void common_vt_4t_24w_lsx(const uint8_t *src, int32_t src_stride,
+void common_vt_2t_24w_lsx(const uint8_t *src, int32_t src_stride,
                           uint8_t *dst, int32_t dst_stride,
                           const int8_t *filter, int32_t height)
 {
@@ -554,8 +554,8 @@ void common_vt_4t_24w_lsx(const uint8_t *src, int32_t src_stride,
     int32_t src_stride_3x = src_stride_2x + src_stride;
     const uint8_t *_src;
 
-    __m128i src0, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10;
-    __m128i src11, filt0, filt1;
+    __m128i src0, src1, src2, src3, src4, src6, src7, src8, src9, src10;
+    __m128i filt0, filt1;
     __m128i src10_r, src32_r, src76_r, src98_r, src21_r, src43_r, src87_r;
     __m128i src109_r, src10_l, src32_l, src21_l, src43_l;
     __m128i out0_r, out1_r, out2_r, out3_r, out0_l, out1_l;
@@ -578,7 +578,7 @@ void common_vt_4t_24w_lsx(const uint8_t *src, int32_t src_stride,
     _src += src_stride_3x;
     DUP2_ARG2(__lsx_vilvl_b, src7, src6, src8, src7, src76_r, src87_r);
 
-    for (loop_cnt = 8; loop_cnt--;) {
+    for (loop_cnt = height >> 1; loop_cnt--;) {
         /* 16 width */
         DUP2_ARG2(__lsx_vld, src, 0, _src, 0, src3, src9);
         DUP2_ARG2(__lsx_vldx, src, src_stride, _src, src_stride, src4, src10);
@@ -605,53 +605,27 @@ void common_vt_4t_24w_lsx(const uint8_t *src, int32_t src_stride,
 
         /* 16 + 8 width */
         DUP4_ARG3(__lsx_vssrarni_bu_h, out0_l, out0_r, 6, out2_r, out2_r, 6,
-                out3_r, out3_r, 6, out1_l, out1_r, 6, out1, out2, out3, out4);
-        __lsx_vst(out1, dst, 0);
-        __lsx_vstelm_d(out2, dst, 16, 0);
-        dst += dst_stride;
-        __lsx_vst(out4, dst, 0);
-        __lsx_vstelm_d(out3, dst, 16, 0);
-        dst += dst_stride;
-
-        /* 16 width */
-        DUP2_ARG2(__lsx_vld, src, 0, _src, 0, src5, src11);
-        DUP2_ARG2(__lsx_vldx, src, src_stride, _src, src_stride, src2, src8);
-        DUP2_ARG2(__lsx_vilvl_b, src5, src4, src2, src5, src10_r, src21_r);
-        DUP2_ARG2(__lsx_vilvh_b, src5, src4, src2, src5, src10_l, src21_l);
-
-        /* 8 width */
-        src += src_stride_2x;
-        _src += src_stride_2x;
-        DUP2_ARG2(__lsx_vilvl_b, src11, src10, src8, src11, src76_r, src87_r);
-
-        /* 16 width */
-        DUP4_ARG2(__lsx_vdp2_h_bu_b, src32_r, filt0, src32_l, filt0, src43_r,
-                  filt0, src43_l, filt0, out0_r, out0_l, out1_r, out1_l);
-        DUP4_ARG3(__lsx_vdp2add_h_bu_b, out0_r, src10_r, filt1, out0_l, src10_l,
-                  filt1, out1_r, src21_r, filt1, out1_l, src21_l, filt1,
-                  out0_r, out0_l, out1_r, out1_l);
-
-        /* 8 width */
-        DUP2_ARG2(__lsx_vdp2_h_bu_b, src98_r, filt0, src109_r, filt0,
-                  out2_r, out3_r);
-        DUP2_ARG3(__lsx_vdp2add_h_bu_b, out2_r, src76_r, filt1, out3_r,
-                  src87_r, filt1, out2_r, out3_r);
-
-        /* 16 + 8 width */
-        DUP4_ARG3(__lsx_vssrarni_bu_h, out0_l, out0_r, 6, out2_r, out2_r, 6,
-                  out1_l, out1_r, 6, out3_r, out3_r, 6, out1, out2, out3, out4);
-
+                out1_l, out1_r, 6, out3_r, out3_r, 6, out1, out2, out3, out4);
         __lsx_vst(out1, dst, 0);
         __lsx_vstelm_d(out2, dst, 16, 0);
         dst += dst_stride;
         __lsx_vst(out3, dst, 0);
         __lsx_vstelm_d(out4, dst, 16, 0);
         dst += dst_stride;
+
+        src10_r = src32_r;
+        src21_r = src43_r;
+        src10_l = src32_l;
+        src21_l = src43_l;
+        src2 = src4;
+        src76_r = src98_r;
+        src87_r = src109_r;
+        src8 = src10;
     }
 }
 
 static av_always_inline
-void common_vt_4t_32w_lsx(const uint8_t *src, int32_t src_stride,
+void common_vt_2t_32w_lsx(const uint8_t *src, int32_t src_stride,
                           uint8_t *dst, int32_t dst_stride,
                           const int8_t *filter, int32_t height)
 {
@@ -805,102 +779,6 @@ void hevc_hv_4t_8x2_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
     __lsx_vstelm_d(out, dst + dst_stride, 0, 1);
 }
 
-static av_always_inline
-void hevc_hv_4t_8multx4_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
-                            int32_t dst_stride, const int8_t *filter_x,
-                            const int8_t *filter_y, int32_t width8mult)
-{
-    uint32_t cnt;
-    const int32_t src_stride_2x = (src_stride << 1);
-    const int32_t dst_stride_2x = (dst_stride << 1);
-    const int32_t src_stride_4x = (src_stride << 2);
-    const int32_t src_stride_3x = src_stride_2x + src_stride;
-    const int32_t dst_stride_3x = dst_stride_2x + dst_stride;
-
-    __m128i out0, out1;
-    __m128i src0, src1, src2, src3, src4, src5, src6, mask0, mask1;
-    __m128i vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
-    __m128i filt0, filt1, filt_h0, filt_h1, filter_vec;
-    __m128i dst0, dst1, dst2, dst3, dst4, dst5, dst6, tmp0, tmp1, tmp2, tmp3;
-    __m128i dst0_r, dst0_l, dst1_r, dst1_l, dst2_r, dst2_l, dst3_r, dst3_l;
-    __m128i dst10_r, dst32_r, dst54_r, dst21_r, dst43_r, dst65_r;
-    __m128i dst10_l, dst32_l, dst54_l, dst21_l, dst43_l, dst65_l;
-
-    src -= (src_stride + 1);
-    DUP2_ARG2(__lsx_vldrepl_h, filter_x, 0, filter_x, 2, filt0, filt1);
-
-    filter_vec = __lsx_vld(filter_y, 0);
-    filter_vec = __lsx_vsllwil_h_b(filter_vec, 0);
-    DUP2_ARG2(__lsx_vreplvei_w, filter_vec, 0, filter_vec, 1, filt_h0, filt_h1);
-
-    mask0 = __lsx_vld(ff_hevc_mask_arr, 0);
-    mask1 = __lsx_vaddi_bu(mask0, 2);
-
-    for (cnt = width8mult; cnt--;) {
-        src0 = __lsx_vld(src, 0);
-        DUP2_ARG2(__lsx_vldx, src, src_stride, src, src_stride_2x, src1, src2);
-        src3 = __lsx_vldx(src, src_stride_3x);
-        src += src_stride_4x;
-        src4 = __lsx_vld(src, 0);
-        DUP2_ARG2(__lsx_vldx, src, src_stride, src, src_stride_2x, src5, src6);
-        src += (8 - src_stride_4x);
-        DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask0, src0, src0, mask1,
-                  vec0, vec1);
-        DUP2_ARG3(__lsx_vshuf_b, src1, src1, mask0, src1, src1, mask1,
-                  vec2, vec3);
-        DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask0, src2, src2, mask1,
-                  vec4, vec5);
-
-        DUP2_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, dst0, dst1);
-        dst2 = __lsx_vdp2_h_bu_b(vec4, filt0);
-        DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec1, filt1, dst1, vec3, filt1,
-                  dst0, dst1);
-        dst2 = __lsx_vdp2add_h_bu_b(dst2, vec5, filt1);
-
-        DUP2_ARG2(__lsx_vilvl_h, dst1, dst0, dst2, dst1, dst10_r, dst21_r);
-        DUP2_ARG2(__lsx_vilvh_h, dst1, dst0, dst2, dst1, dst10_l, dst21_l);
-
-        DUP2_ARG3(__lsx_vshuf_b, src3, src3, mask0, src3, src3, mask1,
-                  vec0, vec1);
-        DUP2_ARG3(__lsx_vshuf_b, src4, src4, mask0, src4, src4, mask1,
-                  vec2, vec3);
-        DUP2_ARG3(__lsx_vshuf_b, src5, src5, mask0, src5, src5, mask1,
-                  vec4, vec5);
-        DUP2_ARG3(__lsx_vshuf_b, src6, src6, mask0, src6, src6, mask1,
-                  vec6, vec7);
-
-        DUP4_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, vec4, filt0,
-                  vec6, filt0, dst3, dst4, dst5, dst6);
-        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst3, vec1, filt1, dst4, vec3, filt1,
-                  dst5, vec5, filt1, dst6, vec7, filt1, dst3, dst4, dst5, dst6);
-
-        DUP4_ARG2(__lsx_vilvl_h, dst3, dst2, dst4, dst3, dst5, dst4, dst6,
-                  dst5, dst32_r, dst43_r, dst54_r, dst65_r);
-        DUP4_ARG2(__lsx_vilvh_h, dst3, dst2, dst4, dst3, dst5, dst4, dst6,
-                  dst5, dst32_l, dst43_l, dst54_l, dst65_l);
-
-        DUP4_ARG2(__lsx_vdp2_w_h, dst10_r, filt_h0, dst10_l, filt_h0, dst21_r,
-                  filt_h0, dst21_l, filt_h0, dst0_r, dst0_l, dst1_r, dst1_l);
-        DUP4_ARG2(__lsx_vdp2_w_h, dst32_r, filt_h0, dst32_l, filt_h0, dst43_r,
-                  filt_h0, dst43_l, filt_h0, dst2_r, dst2_l, dst3_r, dst3_l);
-        DUP4_ARG3(__lsx_vdp2add_w_h, dst0_r, dst32_r, filt_h1, dst0_l, dst32_l,
-                  filt_h1, dst1_r, dst43_r, filt_h1, dst1_l, dst43_l, filt_h1,
-                  dst0_r, dst0_l, dst1_r, dst1_l);
-        DUP4_ARG3(__lsx_vdp2add_w_h, dst2_r, dst54_r, filt_h1, dst2_l, dst54_l,
-                  filt_h1, dst3_r, dst65_r, filt_h1, dst3_l, dst65_l, filt_h1,
-                  dst2_r, dst2_l, dst3_r, dst3_l);
-
-        DUP4_ARG3(__lsx_vsrani_h_w, dst0_l, dst0_r, 6, dst1_l, dst1_r, 6,
-                  dst2_l, dst2_r, 6, dst3_l, dst3_r, 6, tmp0, tmp1, tmp2, tmp3);
-        DUP2_ARG3(__lsx_vssrarni_bu_h, tmp1, tmp0, 6, tmp3, tmp2, 6, out0, out1);
-        __lsx_vstelm_d(out0, dst, 0, 0);
-        __lsx_vstelm_d(out0, dst + dst_stride, 0, 1);
-        __lsx_vstelm_d(out1, dst + dst_stride_2x, 0, 0);
-        __lsx_vstelm_d(out1, dst + dst_stride_3x, 0, 1);
-        dst += 8;
-    }
-}
-
 static av_always_inline
 void hevc_hv_4t_8x6_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
                         int32_t dst_stride, const int8_t *filter_x,
@@ -1009,10 +887,9 @@ void hevc_hv_4t_8x6_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
 }
 
 static av_always_inline
-void hevc_hv_4t_8multx4mult_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
-                                int32_t dst_stride, const int8_t *filter_x,
-                                const int8_t *filter_y, int32_t height,
-                                int32_t width8mult)
+void hevc_hv_4t_8mult_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
+                          int32_t dst_stride, const int8_t *filter_x,
+                          const int8_t *filter_y, int32_t height, int32_t width8mult)
 {
     uint32_t loop_cnt, cnt;
     const uint8_t *src_tmp;
@@ -1134,14 +1011,10 @@ void hevc_hv_4t_8w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
 {
     if (2 == height) {
         hevc_hv_4t_8x2_lsx(src, src_stride, dst, dst_stride, filter_x, filter_y);
-    } else if (4 == height) {
-        hevc_hv_4t_8multx4_lsx(src, src_stride, dst, dst_stride,
-                               filter_x, filter_y, 1);
     } else if (6 == height) {
         hevc_hv_4t_8x6_lsx(src, src_stride, dst, dst_stride, filter_x, filter_y);
     } else if (0 == (height & 0x03)) {
-        hevc_hv_4t_8multx4mult_lsx(src, src_stride, dst, dst_stride,
-                                   filter_x, filter_y, height, 1);
+        hevc_hv_4t_8mult_lsx(src, src_stride, dst, dst_stride, filter_x, filter_y, height, 1);
     }
 }
 
@@ -1160,17 +1033,14 @@ void hevc_hv_4t_12w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
     const int32_t src_stride_3x = src_stride_2x + src_stride;
     const int32_t dst_stride_3x = dst_stride_2x + dst_stride;
     __m128i out0, out1;
-    __m128i src0, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10;
+    __m128i src0, src1, src2, src3, src4, src5, src6;
     __m128i vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
-    __m128i mask0, mask1, mask2, mask3;
+    __m128i mask0, mask1;
     __m128i filt0, filt1, filt_h0, filt_h1, filter_vec, tmp0, tmp1, tmp2, tmp3;
     __m128i dsth0, dsth1, dsth2, dsth3, dsth4, dsth5, dsth6;
-    __m128i dst10, dst21, dst22, dst73, dst84, dst95, dst106;
-    __m128i dst76_r, dst98_r, dst87_r, dst109_r;
     __m128i dst10_r, dst32_r, dst54_r, dst21_r, dst43_r, dst65_r;
     __m128i dst10_l, dst32_l, dst54_l, dst21_l, dst43_l, dst65_l;
     __m128i dst0_r, dst0_l, dst1_r, dst1_l, dst2_r, dst2_l, dst3_r, dst3_l;
-    __m128i dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst7;
 
     src -= (src_stride + 1);
     DUP2_ARG2(__lsx_vldrepl_h, filter_x, 0, filter_x, 2, filt0, filt1);
@@ -1186,8 +1056,7 @@ void hevc_hv_4t_12w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
     dst_tmp = dst;
 
     src0 = __lsx_vld(src_tmp, 0);
-    DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x,
-              src1, src2);
+    DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x, src1, src2);
     src_tmp += src_stride_3x;
 
     DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask0, src0, src0, mask1, vec0, vec1);
@@ -1196,17 +1065,15 @@ void hevc_hv_4t_12w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
 
     DUP2_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, dsth0, dsth1);
     dsth2 = __lsx_vdp2_h_bu_b(vec4, filt0);
-    DUP2_ARG3(__lsx_vdp2add_h_bu_b, dsth0, vec1, filt1, dsth1, vec3, filt1,
-              dsth0, dsth1);
+    DUP2_ARG3(__lsx_vdp2add_h_bu_b, dsth0, vec1, filt1, dsth1, vec3, filt1, dsth0, dsth1);
     dsth2 = __lsx_vdp2add_h_bu_b(dsth2, vec5, filt1);
 
     DUP2_ARG2(__lsx_vilvl_h, dsth1, dsth0, dsth2, dsth1, dst10_r, dst21_r);
     DUP2_ARG2(__lsx_vilvh_h, dsth1, dsth0, dsth2, dsth1, dst10_l, dst21_l);
 
-    for (loop_cnt = 4; loop_cnt--;) {
+    for (loop_cnt = height >> 2; loop_cnt--;) {
         src3 = __lsx_vld(src_tmp, 0);
-        DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x,
-                  src4, src5);
+        DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x, src4, src5);
         src6 = __lsx_vldx(src_tmp, src_stride_3x);
         src_tmp += src_stride_4x;
 
@@ -1254,83 +1121,73 @@ void hevc_hv_4t_12w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
         dsth2 = dsth6;
     }
 
-    src += 8;
-    dst += 8;
+    src_tmp = src + 8;
+    dst_tmp = dst + 8;
 
-    mask2 = __lsx_vld(ff_hevc_mask_arr, 16);
-    mask3 = __lsx_vaddi_bu(mask2, 2);
+    src0 = __lsx_vld(src_tmp, 0);
+    DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x, src1, src2);
+    src_tmp += src_stride_3x;
 
-    src0 = __lsx_vld(src, 0);
-    DUP2_ARG2(__lsx_vldx, src, src_stride, src, src_stride_2x, src1, src2);
-    src += src_stride_3x;
-    DUP2_ARG3(__lsx_vshuf_b, src1, src0, mask2, src1, src0, mask3, vec0, vec1);
-    DUP2_ARG3(__lsx_vshuf_b, src2, src1, mask2, src2, src1, mask3, vec2, vec3);
+    DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask0, src0, src0, mask1, vec0, vec1);
+    DUP2_ARG3(__lsx_vshuf_b, src1, src1, mask0, src1, src1, mask1, vec2, vec3);
+    DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask0, src2, src2, mask1, vec4, vec5);
 
-    DUP2_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, dst10, dst21);
-    DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst10, vec1, filt1, dst21, vec3, filt1,
-              dst10, dst21);
+    DUP2_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, dsth0, dsth1);
+    dsth2 = __lsx_vdp2_h_bu_b(vec4, filt0);
+    DUP2_ARG3(__lsx_vdp2add_h_bu_b, dsth0, vec1, filt1, dsth1, vec3, filt1, dsth0, dsth1);
+    dsth2 = __lsx_vdp2add_h_bu_b(dsth2, vec5, filt1);
 
-    dst10_r = __lsx_vilvl_h(dst21, dst10);
-    dst21_r = __lsx_vilvh_h(dst21, dst10);
-    dst22 = __lsx_vreplvei_d(dst21, 1);
+    DUP2_ARG2(__lsx_vilvl_h, dsth1, dsth0, dsth2, dsth1, dst10_r, dst21_r);
+    DUP2_ARG2(__lsx_vilvh_h, dsth1, dsth0, dsth2, dsth1, dst10_l, dst21_l);
 
-    for (loop_cnt = 2; loop_cnt--;) {
-        src3 = __lsx_vld(src, 0);
-        DUP2_ARG2(__lsx_vldx, src, src_stride, src, src_stride_2x, src4, src5);
-        src6 = __lsx_vldx(src, src_stride_3x);
-        src += src_stride_4x;
-        src7 = __lsx_vld(src, 0);
-        DUP2_ARG2(__lsx_vldx, src, src_stride, src, src_stride_2x, src8, src9);
-        src10 = __lsx_vldx(src, src_stride_3x);
-        src += src_stride_4x;
-        DUP4_ARG3(__lsx_vshuf_b, src7, src3, mask2, src7, src3, mask3, src8,
-                  src4, mask2, src8, src4, mask3, vec0, vec1, vec2, vec3);
-        DUP4_ARG3(__lsx_vshuf_b, src9, src5, mask2, src9, src5, mask3, src10,
-                  src6, mask2, src10, src6, mask3, vec4, vec5, vec6, vec7);
+    for (loop_cnt = height >> 2; loop_cnt--;) {
+        src3 = __lsx_vld(src_tmp, 0);
+        DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x, src4, src5);
+        src6 = __lsx_vldx(src_tmp, src_stride_3x);
+        src_tmp += src_stride_4x;
+
+        DUP4_ARG3(__lsx_vshuf_b, src3, src3, mask0, src3, src3, mask1, src4,
+                  src4, mask0, src4, src4, mask1, vec0, vec1, vec2, vec3);
+        DUP4_ARG3(__lsx_vshuf_b, src5, src5, mask0, src5, src5, mask1, src6,
+                  src6, mask0, src6, src6, mask1, vec4, vec5, vec6, vec7);
 
         DUP4_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, vec4, filt0,
-                  vec6, filt0, dst73, dst84, dst95, dst106);
-        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst73, vec1, filt1, dst84, vec3,
-                  filt1, dst95, vec5, filt1, dst106, vec7, filt1,
-                  dst73, dst84, dst95, dst106);
-
-        dst32_r = __lsx_vilvl_h(dst73, dst22);
-        DUP2_ARG2(__lsx_vilvl_h, dst84, dst73, dst95, dst84, dst43_r, dst54_r);
-        DUP2_ARG2(__lsx_vilvh_h, dst84, dst73, dst95, dst84, dst87_r, dst98_r);
-        dst65_r = __lsx_vilvl_h(dst106, dst95);
-        dst109_r = __lsx_vilvh_h(dst106, dst95);
-        dst22 = __lsx_vreplvei_d(dst73, 1);
-        dst76_r = __lsx_vilvl_h(dst22, dst106);
-
-        DUP4_ARG2(__lsx_vdp2_w_h, dst10_r, filt_h0, dst21_r, filt_h0, dst32_r,
-                  filt_h0, dst43_r, filt_h0, dst0, dst1, dst2, dst3);
-        DUP4_ARG2(__lsx_vdp2_w_h, dst54_r, filt_h0, dst65_r, filt_h0, dst76_r,
-                  filt_h0, dst87_r, filt_h0, dst4, dst5, dst6, dst7);
-        DUP4_ARG3(__lsx_vdp2add_w_h, dst0, dst32_r, filt_h1, dst1, dst43_r,
-                  filt_h1, dst2, dst54_r, filt_h1, dst3, dst65_r, filt_h1,
-                  dst0, dst1, dst2, dst3);
-        DUP4_ARG3(__lsx_vdp2add_w_h, dst4, dst76_r, filt_h1, dst5, dst87_r,
-                  filt_h1, dst6, dst98_r, filt_h1, dst7, dst109_r, filt_h1,
-                  dst4, dst5, dst6, dst7);
-
-        DUP4_ARG3(__lsx_vsrani_h_w, dst1, dst0, 6, dst3, dst2, 6, dst5, dst4,
-                  6, dst7, dst6, 6, tmp0, tmp1, tmp2, tmp3);
+                  vec6, filt0, dsth3, dsth4, dsth5, dsth6);
+        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dsth3, vec1, filt1, dsth4,
+                  vec3, filt1, dsth5, vec5, filt1, dsth6, vec7, filt1,
+                  dsth3, dsth4, dsth5, dsth6);
+
+        DUP4_ARG2(__lsx_vilvl_h, dsth3, dsth2, dsth4, dsth3, dsth5, dsth4,
+                  dsth6, dsth5, dst32_r, dst43_r, dst54_r, dst65_r);
+        DUP4_ARG2(__lsx_vilvh_h, dsth3, dsth2, dsth4, dsth3, dsth5, dsth4,
+                  dsth6, dsth5, dst32_l, dst43_l, dst54_l, dst65_l);
+
+        DUP4_ARG2(__lsx_vdp2_w_h, dst10_r, filt_h0, dst10_l, filt_h0, dst21_r,
+                  filt_h0, dst21_l, filt_h0, dst0_r, dst0_l, dst1_r, dst1_l);
+        DUP4_ARG2(__lsx_vdp2_w_h, dst32_r, filt_h0, dst32_l, filt_h0, dst43_r,
+                  filt_h0, dst43_l, filt_h0, dst2_r, dst2_l, dst3_r, dst3_l);
+        DUP4_ARG3(__lsx_vdp2add_w_h, dst0_r, dst32_r, filt_h1, dst0_l, dst32_l,
+                  filt_h1, dst1_r, dst43_r, filt_h1, dst1_l, dst43_l, filt_h1,
+                  dst0_r, dst0_l, dst1_r, dst1_l);
+        DUP4_ARG3(__lsx_vdp2add_w_h, dst2_r, dst54_r, filt_h1, dst2_l, dst54_l,
+                  filt_h1, dst3_r, dst65_r, filt_h1, dst3_l, dst65_l, filt_h1,
+                  dst2_r, dst2_l, dst3_r, dst3_l);
+
+        DUP4_ARG3(__lsx_vsrani_h_w, dst0_l, dst0_r, 6, dst1_l, dst1_r, 6, dst2_l,
+                  dst2_r, 6, dst3_l, dst3_r, 6, tmp0, tmp1, tmp2, tmp3);
         DUP2_ARG3(__lsx_vssrarni_bu_h, tmp1, tmp0, 6, tmp3, tmp2, 6, out0, out1);
 
-        __lsx_vstelm_w(out0, dst, 0, 0);
-        __lsx_vstelm_w(out0, dst + dst_stride, 0, 1);
-        __lsx_vstelm_w(out0, dst + dst_stride_2x, 0, 2);
-        __lsx_vstelm_w(out0, dst + dst_stride_3x, 0, 3);
-        dst += dst_stride_4x;
-        __lsx_vstelm_w(out1, dst, 0, 0);
-        __lsx_vstelm_w(out1, dst + dst_stride, 0, 1);
-        __lsx_vstelm_w(out1, dst + dst_stride_2x, 0, 2);
-        __lsx_vstelm_w(out1, dst + dst_stride_3x, 0, 3);
-        dst += dst_stride_4x;
+        __lsx_vstelm_w(out0, dst_tmp, 0, 0);
+        __lsx_vstelm_w(out0, dst_tmp + dst_stride, 0, 2);
+        __lsx_vstelm_w(out1, dst_tmp + dst_stride_2x, 0, 0);
+        __lsx_vstelm_w(out1, dst_tmp + dst_stride_3x, 0, 2);
+        dst_tmp += dst_stride_4x;
 
-        dst10_r = dst98_r;
-        dst21_r = dst109_r;
-        dst22 = __lsx_vreplvei_d(dst106, 1);
+        dst10_r = dst54_r;
+        dst10_l = dst54_l;
+        dst21_r = dst65_r;
+        dst21_l = dst65_l;
+        dsth2 = dsth6;
     }
 }
 
@@ -1338,29 +1195,21 @@ static void hevc_hv_4t_16w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *
                                int32_t dst_stride, const int8_t *filter_x,
                                const int8_t *filter_y, int32_t height)
 {
-    if (4 == height) {
-        hevc_hv_4t_8multx4_lsx(src, src_stride, dst, dst_stride, filter_x,
-                               filter_y, 2);
-    } else {
-        hevc_hv_4t_8multx4mult_lsx(src, src_stride, dst, dst_stride,
-                                   filter_x, filter_y, height, 2);
-    }
+    hevc_hv_4t_8mult_lsx(src, src_stride, dst, dst_stride, filter_x, filter_y, height, 2);
 }
 
 static void hevc_hv_4t_24w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
                                int32_t dst_stride, const int8_t *filter_x,
                                const int8_t *filter_y, int32_t height)
 {
-    hevc_hv_4t_8multx4mult_lsx(src, src_stride, dst, dst_stride,
-                               filter_x, filter_y, height, 3);
+    hevc_hv_4t_8mult_lsx(src, src_stride, dst, dst_stride, filter_x, filter_y, height, 3);
 }
 
 static void hevc_hv_4t_32w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
                                int32_t dst_stride, const int8_t *filter_x,
                                const int8_t *filter_y, int32_t height)
 {
-    hevc_hv_4t_8multx4mult_lsx(src, src_stride, dst, dst_stride,
-                               filter_x, filter_y, height, 4);
+    hevc_hv_4t_8mult_lsx(src, src_stride, dst, dst_stride, filter_x, filter_y, height, 4);
 }
 
 #define UNI_MC(PEL, DIR, WIDTH, TAP, DIR1, FILT_DIR)                           \
@@ -1386,8 +1235,8 @@ UNI_MC(qpel, v, 32, 8, vt, my);
 UNI_MC(qpel, v, 48, 8, vt, my);
 UNI_MC(qpel, v, 64, 8, vt, my);
 
-UNI_MC(epel, v, 24, 4, vt, my);
-UNI_MC(epel, v, 32, 4, vt, my);
+UNI_MC(epel, v, 24, 2, vt, my);
+UNI_MC(epel, v, 32, 2, vt, my);
 
 #undef UNI_MC
 
diff --git a/libavcodec/loongarch/hevcdsp_init_loongarch.c b/libavcodec/loongarch/hevcdsp_init_loongarch.c
index 1585bda276..55fe6b15ad 100644
--- a/libavcodec/loongarch/hevcdsp_init_loongarch.c
+++ b/libavcodec/loongarch/hevcdsp_init_loongarch.c
@@ -139,7 +139,6 @@ void ff_hevc_dsp_init_loongarch(HEVCDSPContext *c, const int bit_depth)
             c->put_hevc_epel_bi[6][1][0] = ff_hevc_put_hevc_bi_epel_v24_8_lsx;
             c->put_hevc_epel_bi[7][1][0] = ff_hevc_put_hevc_bi_epel_v32_8_lsx;
 
-            c->put_hevc_epel_bi[2][1][1] = ff_hevc_put_hevc_bi_epel_hv6_8_lsx;
             c->put_hevc_epel_bi[3][1][1] = ff_hevc_put_hevc_bi_epel_hv8_8_lsx;
             c->put_hevc_epel_bi[5][1][1] = ff_hevc_put_hevc_bi_epel_hv16_8_lsx;
             c->put_hevc_epel_bi[6][1][1] = ff_hevc_put_hevc_bi_epel_hv24_8_lsx;
diff --git a/libavcodec/loongarch/hevcdsp_lsx.c b/libavcodec/loongarch/hevcdsp_lsx.c
index 5747925525..993944164d 100644
--- a/libavcodec/loongarch/hevcdsp_lsx.c
+++ b/libavcodec/loongarch/hevcdsp_lsx.c
@@ -772,56 +772,40 @@ static void hevc_hz_8t_12w_lsx(const uint8_t *src, int32_t src_stride,
     DUP2_ARG2(__lsx_vaddi_bu, mask4, 2, mask4, 4, mask5, mask6);
     mask7 = __lsx_vaddi_bu(mask4, 6);
 
-    for (loop_cnt = 4; loop_cnt--;) {
+    for (loop_cnt = height >> 2; loop_cnt--;) {
         src0 = __lsx_vld(src, 0);
         DUP2_ARG2(__lsx_vldx, src, src_stride, src, src_stride_2x, src1, src2);
         src3 = __lsx_vldx(src, src_stride_3x);
         src4 = __lsx_vld(_src, 0);
-        DUP2_ARG2(__lsx_vldx, _src, src_stride, _src, src_stride_2x,
-                  src5, src6);
+        DUP2_ARG2(__lsx_vldx, _src, src_stride, _src, src_stride_2x, src5, src6);
         src7 = __lsx_vldx(_src, src_stride_3x);
         src += src_stride_4x;
         _src += src_stride_4x;
 
-        DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask0, src1, src1, mask0,
-                  vec0, vec1);
-        DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask0, src3, src3, mask0,
-                  vec2, vec3);
-        DUP2_ARG3(__lsx_vshuf_b, src5, src4, mask4, src7, src6, mask4,
-                  vec4, vec5);
+        DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask0, src1, src1, mask0, vec0, vec1);
+        DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask0, src3, src3, mask0, vec2, vec3);
+        DUP2_ARG3(__lsx_vshuf_b, src5, src4, mask4, src7, src6, mask4, vec4, vec5);
         DUP4_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec1, filt0, vec2, filt0,
                   vec3, filt0, dst0, dst1, dst2, dst3);
         DUP2_ARG2(__lsx_vdp2_h_bu_b, vec4, filt0, vec5, filt0, dst4, dst5);
-        DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask1, src1, src1, mask1,
-                  vec0, vec1);
-        DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask1, src3, src3, mask1,
-                  vec2, vec3);
-        DUP2_ARG3(__lsx_vshuf_b, src5, src4, mask5, src7, src6, mask5,
-                  vec4, vec5);
+        DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask1, src1, src1, mask1, vec0, vec1);
+        DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask1, src3, src3, mask1, vec2, vec3);
+        DUP2_ARG3(__lsx_vshuf_b, src5, src4, mask5, src7, src6, mask5, vec4, vec5);
         DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec0, filt1, dst1, vec1, filt1,
                   dst2, vec2, filt1, dst3, vec3, filt1, dst0, dst1, dst2, dst3);
-        DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst4, vec4, filt1, dst5, vec5, filt1,
-                  dst4, dst5);
-        DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask2, src1, src1, mask2,
-                  vec0, vec1);
-        DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask2, src3, src3, mask2,
-                  vec2, vec3);
-        DUP2_ARG3(__lsx_vshuf_b, src5, src4, mask6, src7, src6, mask6,
-                  vec4, vec5);
+        DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst4, vec4, filt1, dst5, vec5, filt1, dst4, dst5);
+        DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask2, src1, src1, mask2, vec0, vec1);
+        DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask2, src3, src3, mask2, vec2, vec3);
+        DUP2_ARG3(__lsx_vshuf_b, src5, src4, mask6, src7, src6, mask6, vec4, vec5);
         DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec0, filt2, dst1, vec1, filt2,
                   dst2, vec2, filt2, dst3, vec3, filt2, dst0, dst1, dst2, dst3);
-        DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst4, vec4, filt2, dst5, vec5, filt2,
-                  dst4, dst5);
-        DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask3, src1, src1, mask3,
-                  vec0, vec1);
-        DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask3, src3, src3, mask3,
-                  vec2, vec3);
-        DUP2_ARG3(__lsx_vshuf_b, src5, src4, mask7, src7, src6, mask7,
-                  vec4, vec5);
+        DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst4, vec4, filt2, dst5, vec5, filt2, dst4, dst5);
+        DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask3, src1, src1, mask3, vec0, vec1);
+        DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask3, src3, src3, mask3, vec2, vec3);
+        DUP2_ARG3(__lsx_vshuf_b, src5, src4, mask7, src7, src6, mask7, vec4, vec5);
         DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec0, filt3, dst1, vec1, filt3,
                   dst2, vec2, filt3, dst3, vec3, filt3, dst0, dst1, dst2, dst3);
-        DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst4, vec4, filt3, dst5, vec5, filt3,
-                  dst4, dst5);
+        DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst4, vec4, filt3, dst5, vec5, filt3, dst4, dst5);
 
         __lsx_vst(dst0, dst, 0);
         __lsx_vstelm_d(dst4, dst, 16, 0);
@@ -2972,16 +2956,14 @@ static void hevc_hv_4t_12w_lsx(const uint8_t *src,
     int32_t src_stride_3x = src_stride_2x + src_stride;
     int32_t dst_stride_3x = dst_stride_2x + dst_stride_x;
 
-    __m128i src0, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10;
+    __m128i src0, src1, src2, src3, src4, src5, src6;
     __m128i vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
-    __m128i mask0, mask1, mask2, mask3;
+    __m128i mask0, mask1;
     __m128i filt0, filt1, filt_h0, filt_h1, filter_vec, dst0;
-    __m128i dst1, dst2, dst3, dst4, dst5, dst6, dst10, dst21, dst22, dst73;
-    __m128i dst84, dst95, dst106, dst76_r, dst98_r, dst87_r, dst109_r;
+    __m128i dst1, dst2, dst3, dst4, dst5, dst6;
     __m128i dst10_r, dst32_r, dst54_r, dst21_r, dst43_r, dst65_r;
     __m128i dst10_l, dst32_l, dst54_l, dst21_l, dst43_l, dst65_l;
     __m128i dst0_r, dst0_l, dst1_r, dst1_l, dst2_r, dst2_l, dst3_r, dst3_l;
-    __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
 
     src -= (src_stride + 1);
     DUP2_ARG2(__lsx_vldrepl_h, filter_x, 0, filter_x, 2, filt0, filt1);
@@ -2997,8 +2979,7 @@ static void hevc_hv_4t_12w_lsx(const uint8_t *src,
     dst_tmp = dst;
 
     src0 = __lsx_vld(src_tmp, 0);
-    DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x,
-              src1, src2);
+    DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x, src1, src2);
     src_tmp += src_stride_3x;
 
     DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask0, src0, src0, mask1, vec0, vec1);
@@ -3007,34 +2988,27 @@ static void hevc_hv_4t_12w_lsx(const uint8_t *src,
 
     DUP2_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, dst0, dst1);
     dst2 = __lsx_vdp2_h_bu_b(vec4, filt0);
-    DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec1, filt1, dst1, vec3, filt1,
-              dst0, dst1);
+    DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec1, filt1, dst1, vec3, filt1, dst0, dst1);
     dst2 = __lsx_vdp2add_h_bu_b(dst2, vec5, filt1);
 
     DUP2_ARG2(__lsx_vilvl_h, dst1, dst0, dst2, dst1, dst10_r, dst21_r);
     DUP2_ARG2(__lsx_vilvh_h, dst1, dst0, dst2, dst1, dst10_l, dst21_l);
 
-    for (loop_cnt = 4; loop_cnt--;) {
+    for (loop_cnt = height >> 2; loop_cnt--;) {
         src3 = __lsx_vld(src_tmp, 0);
-        DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x,
-                  src4, src5);
+        DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x, src4, src5);
         src6 = __lsx_vldx(src_tmp, src_stride_3x);
         src_tmp += src_stride_4x;
 
-        DUP2_ARG3(__lsx_vshuf_b, src3, src3, mask0, src3, src3, mask1,
-                  vec0, vec1);
-        DUP2_ARG3(__lsx_vshuf_b, src4, src4, mask0, src4, src4, mask1,
-                  vec2, vec3);
-        DUP2_ARG3(__lsx_vshuf_b, src5, src5, mask0, src5, src5, mask1,
-                  vec4, vec5);
-        DUP2_ARG3(__lsx_vshuf_b, src6, src6, mask0, src6, src6, mask1,
-                  vec6, vec7);
+        DUP2_ARG3(__lsx_vshuf_b, src3, src3, mask0, src3, src3, mask1, vec0, vec1);
+        DUP2_ARG3(__lsx_vshuf_b, src4, src4, mask0, src4, src4, mask1, vec2, vec3);
+        DUP2_ARG3(__lsx_vshuf_b, src5, src5, mask0, src5, src5, mask1, vec4, vec5);
+        DUP2_ARG3(__lsx_vshuf_b, src6, src6, mask0, src6, src6, mask1, vec6, vec7);
 
         DUP4_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, vec4, filt0,
                   vec6, filt0, dst3, dst4, dst5, dst6);
-        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst3, vec1, filt1, dst4, vec3,
-                  filt1, dst5, vec5, filt1, dst6, vec7, filt1, dst3,
-                  dst4, dst5, dst6);
+        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst3, vec1, filt1, dst4, vec3, filt1,
+                  dst5, vec5, filt1, dst6, vec7, filt1, dst3, dst4, dst5, dst6);
 
         DUP2_ARG2(__lsx_vilvl_h, dst3, dst2, dst4, dst3, dst32_r, dst43_r);
         DUP2_ARG2(__lsx_vilvh_h, dst3, dst2, dst4, dst3, dst32_l, dst43_l);
@@ -3051,12 +3025,8 @@ static void hevc_hv_4t_12w_lsx(const uint8_t *src,
         DUP4_ARG3(__lsx_vdp2add_w_h, dst2_r, dst54_r, filt_h1, dst2_l, dst54_l,
                   filt_h1, dst3_r, dst65_r, filt_h1, dst3_l, dst65_l, filt_h1,
                   dst2_r, dst2_l, dst3_r, dst3_l);
-        DUP4_ARG2(__lsx_vsrai_w, dst0_r, 6, dst0_l, 6, dst1_r, 6, dst1_l, 6,
-                  dst0_r, dst0_l, dst1_r, dst1_l);
-        DUP4_ARG2(__lsx_vsrai_w, dst2_r, 6, dst2_l, 6, dst3_r, 6, dst3_l, 6,
-                  dst2_r, dst2_l, dst3_r, dst3_l);
-        DUP4_ARG2(__lsx_vpickev_h, dst0_l, dst0_r, dst1_l, dst1_r, dst2_l, dst2_r,
-                  dst3_l, dst3_r, dst0_r, dst1_r, dst2_r, dst3_r);
+        DUP2_ARG3(__lsx_vsrani_h_w, dst0_l, dst0_r, 6, dst1_l, dst1_r, 6, dst0_r, dst1_r);
+        DUP2_ARG3(__lsx_vsrani_h_w, dst2_l, dst2_r, 6, dst3_l, dst3_r, 6, dst2_r, dst3_r);
         __lsx_vst(dst0_r, dst_tmp, 0);
         __lsx_vstx(dst1_r, dst_tmp, dst_stride_x);
         __lsx_vstx(dst2_r, dst_tmp, dst_stride_2x);
@@ -3070,93 +3040,74 @@ static void hevc_hv_4t_12w_lsx(const uint8_t *src,
         dst2 = dst6;
     }
 
-    src += 8;
-    dst += 8;
+    src_tmp = src + 8;
+    dst_tmp = dst + 8;
 
-    mask2 = __lsx_vld(ff_hevc_mask_arr, 16);
-    mask3 = __lsx_vaddi_bu(mask2, 2);
+    src0 = __lsx_vld(src_tmp, 0);
+    DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x, src1, src2);
+    src_tmp += src_stride_3x;
 
-    src0 = __lsx_vld(src, 0);
-    DUP2_ARG2(__lsx_vldx, src, src_stride, src, src_stride_2x, src1, src2);
-    src += src_stride_3x;
-    DUP2_ARG3(__lsx_vshuf_b, src1, src0, mask2, src1, src0, mask3, vec0, vec1);
-    DUP2_ARG3(__lsx_vshuf_b, src2, src1, mask2, src2, src1, mask3, vec2, vec3);
-    DUP2_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, dst10, dst21);
-    DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst10, vec1, filt1, dst21, vec3, filt1,
-              dst10, dst21);
-    dst10_r = __lsx_vilvl_h(dst21, dst10);
-    dst21_r = __lsx_vilvh_h(dst21, dst10);
-    dst22 = __lsx_vreplvei_d(dst21, 1);
-
-    for (loop_cnt = 2; loop_cnt--;) {
-        src3 = __lsx_vld(src, 0);
-        DUP2_ARG2(__lsx_vldx, src, src_stride, src, src_stride_2x, src4, src5);
-        src6 = __lsx_vldx(src, src_stride_3x);
-        src += src_stride_4x;
-        src7 = __lsx_vld(src, 0);
-        DUP2_ARG2(__lsx_vldx, src, src_stride, src, src_stride_2x, src8, src9);
-        src10 = __lsx_vldx(src, src_stride_3x);
-        src += src_stride_4x;
-        DUP2_ARG3(__lsx_vshuf_b, src7, src3, mask2, src7, src3, mask3,
-                  vec0, vec1);
-        DUP2_ARG3(__lsx_vshuf_b, src8, src4, mask2, src8, src4, mask3,
-                  vec2, vec3);
-        DUP2_ARG3(__lsx_vshuf_b, src9, src5, mask2, src9, src5, mask3,
-                  vec4, vec5);
-        DUP2_ARG3(__lsx_vshuf_b, src10, src6, mask2, src10, src6, mask3,
-                  vec6, vec7);
+    DUP2_ARG3(__lsx_vshuf_b, src0, src0, mask0, src0, src0, mask1, vec0, vec1);
+    DUP2_ARG3(__lsx_vshuf_b, src1, src1, mask0, src1, src1, mask1, vec2, vec3);
+    DUP2_ARG3(__lsx_vshuf_b, src2, src2, mask0, src2, src2, mask1, vec4, vec5);
+
+    DUP2_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, dst0, dst1);
+    dst2 = __lsx_vdp2_h_bu_b(vec4, filt0);
+    DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec1, filt1, dst1, vec3, filt1, dst0, dst1);
+    dst2 = __lsx_vdp2add_h_bu_b(dst2, vec5, filt1);
+
+    DUP2_ARG2(__lsx_vilvl_h, dst1, dst0, dst2, dst1, dst10_r, dst21_r);
+    DUP2_ARG2(__lsx_vilvh_h, dst1, dst0, dst2, dst1, dst10_l, dst21_l);
+
+    for (loop_cnt = height >> 2; loop_cnt--;) {
+        src3 = __lsx_vld(src_tmp, 0);
+        DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x, src4, src5);
+        src6 = __lsx_vldx(src_tmp, src_stride_3x);
+        src_tmp += src_stride_4x;
+
+        DUP2_ARG3(__lsx_vshuf_b, src3, src3, mask0, src3, src3, mask1, vec0, vec1);
+        DUP2_ARG3(__lsx_vshuf_b, src4, src4, mask0, src4, src4, mask1, vec2, vec3);
+        DUP2_ARG3(__lsx_vshuf_b, src5, src5, mask0, src5, src5, mask1, vec4, vec5);
+        DUP2_ARG3(__lsx_vshuf_b, src6, src6, mask0, src6, src6, mask1, vec6, vec7);
 
         DUP4_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec2, filt0, vec4, filt0,
-                  vec6, filt0, dst73, dst84, dst95, dst106);
-        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst73, vec1, filt1, dst84, vec3,
-                  filt1, dst95, vec5, filt1, dst106, vec7, filt1, dst73,
-                  dst84, dst95, dst106);
-
-        DUP2_ARG2(__lsx_vilvl_h, dst73, dst22, dst84, dst73, dst32_r, dst43_r);
-        DUP2_ARG2(__lsx_vilvh_h, dst84, dst73, dst95, dst84, dst87_r, dst98_r);
-        DUP2_ARG2(__lsx_vilvl_h, dst95, dst84, dst106, dst95, dst54_r, dst65_r);
-        dst109_r = __lsx_vilvh_h(dst106, dst95);
-        dst22 = __lsx_vreplvei_d(dst73, 1);
-        dst76_r = __lsx_vilvl_h(dst22, dst106);
+                  vec6, filt0, dst3, dst4, dst5, dst6);
+        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst3, vec1, filt1, dst4, vec3, filt1,
+                  dst5, vec5, filt1, dst6, vec7, filt1, dst3, dst4, dst5, dst6);
 
-        DUP4_ARG2(__lsx_vdp2_w_h, dst10_r, filt_h0, dst21_r, filt_h0, dst32_r,
-                  filt_h0, dst43_r, filt_h0, tmp0, tmp1, tmp2, tmp3);
-        DUP4_ARG2(__lsx_vdp2_w_h, dst54_r, filt_h0, dst65_r, filt_h0, dst76_r,
-                  filt_h0, dst87_r, filt_h0, tmp4, tmp5, tmp6, tmp7);
-        DUP4_ARG3(__lsx_vdp2add_w_h, tmp0, dst32_r, filt_h1, tmp1, dst43_r,
-                  filt_h1, tmp2, dst54_r, filt_h1, tmp3, dst65_r, filt_h1,
-                  tmp0, tmp1, tmp2, tmp3);
-        DUP4_ARG3(__lsx_vdp2add_w_h, tmp4, dst76_r, filt_h1, tmp5, dst87_r,
-                  filt_h1, tmp6, dst98_r, filt_h1, tmp7, dst109_r, filt_h1,
-                  tmp4, tmp5, tmp6, tmp7);
-        DUP4_ARG2(__lsx_vsrai_w, tmp0, 6, tmp1, 6, tmp2, 6, tmp3, 6,
-                  tmp0, tmp1, tmp2, tmp3);
-        DUP4_ARG2(__lsx_vsrai_w, tmp4, 6, tmp5, 6, tmp6, 6, tmp7, 6,
-                  tmp4, tmp5, tmp6, tmp7);
-        DUP4_ARG2(__lsx_vpickev_h, tmp1, tmp0, tmp3, tmp2, tmp5, tmp4,
-                  tmp7, tmp6, tmp0, tmp1, tmp2, tmp3);
+        DUP2_ARG2(__lsx_vilvl_h, dst3, dst2, dst4, dst3, dst32_r, dst43_r);
+        DUP2_ARG2(__lsx_vilvh_h, dst3, dst2, dst4, dst3, dst32_l, dst43_l);
+        DUP2_ARG2(__lsx_vilvl_h, dst5, dst4, dst6, dst5, dst54_r, dst65_r);
+        DUP2_ARG2(__lsx_vilvh_h, dst5, dst4, dst6, dst5, dst54_l, dst65_l);
 
-        __lsx_vstelm_d(tmp0, dst, 0, 0);
-        dst += dst_stride;
-        __lsx_vstelm_d(tmp0, dst, 0, 1);
-        dst += dst_stride;
-        __lsx_vstelm_d(tmp1, dst, 0, 0);
-        dst += dst_stride;
-        __lsx_vstelm_d(tmp1, dst, 0, 1);
-        dst += dst_stride;
-        __lsx_vstelm_d(tmp2, dst, 0, 0);
-        dst += dst_stride;
-        __lsx_vstelm_d(tmp2, dst, 0, 1);
-        dst += dst_stride;
-        __lsx_vstelm_d(tmp3, dst, 0, 0);
-        dst += dst_stride;
-        __lsx_vstelm_d(tmp3, dst, 0, 1);
-        dst += dst_stride;
+        DUP4_ARG2(__lsx_vdp2_w_h, dst10_r, filt_h0, dst10_l, filt_h0, dst21_r,
+                  filt_h0, dst21_l, filt_h0, dst0_r, dst0_l, dst1_r, dst1_l);
+        DUP4_ARG2(__lsx_vdp2_w_h, dst32_r, filt_h0, dst32_l, filt_h0, dst43_r,
+                  filt_h0, dst43_l, filt_h0, dst2_r, dst2_l, dst3_r, dst3_l);
+        DUP4_ARG3(__lsx_vdp2add_w_h, dst0_r, dst32_r, filt_h1, dst0_l, dst32_l,
+                  filt_h1, dst1_r, dst43_r, filt_h1, dst1_l, dst43_l, filt_h1,
+                  dst0_r, dst0_l, dst1_r, dst1_l);
+        DUP4_ARG3(__lsx_vdp2add_w_h, dst2_r, dst54_r, filt_h1, dst2_l, dst54_l,
+                  filt_h1, dst3_r, dst65_r, filt_h1, dst3_l, dst65_l, filt_h1,
+                  dst2_r, dst2_l, dst3_r, dst3_l);
+        DUP2_ARG3(__lsx_vsrani_h_w, dst0_l, dst0_r, 6, dst1_l, dst1_r, 6, dst0_r, dst1_r);
+        DUP2_ARG3(__lsx_vsrani_h_w, dst2_l, dst2_r, 6, dst3_l, dst3_r, 6, dst2_r, dst3_r);
+        __lsx_vstelm_d(dst0_r, dst_tmp, 0, 0);
+        dst_tmp += dst_stride;
+        __lsx_vstelm_d(dst1_r, dst_tmp,  0, 0);
+        dst_tmp += dst_stride;
+        __lsx_vstelm_d(dst2_r, dst_tmp, 0, 0);
+        dst_tmp += dst_stride;
+        __lsx_vstelm_d(dst3_r, dst_tmp, 0, 0);
+        dst_tmp += dst_stride;
 
-        dst10_r = dst98_r;
-        dst21_r = dst109_r;
-        dst22 = __lsx_vreplvei_d(dst106, 1);
+        dst10_r = dst54_r;
+        dst10_l = dst54_l;
+        dst21_r = dst65_r;
+        dst21_l = dst65_l;
+        dst2 = dst6;
     }
+
 }
 
 static void hevc_hv_4t_16w_lsx(const uint8_t *src,
diff --git a/libavcodec/loongarch/hevcdsp_lsx.h b/libavcodec/loongarch/hevcdsp_lsx.h
index cf2a519e94..8562a0d681 100644
--- a/libavcodec/loongarch/hevcdsp_lsx.h
+++ b/libavcodec/loongarch/hevcdsp_lsx.h
@@ -141,7 +141,6 @@ BI_MC(epel, v, 16);
 BI_MC(epel, v, 24);
 BI_MC(epel, v, 32);
 
-BI_MC(epel, hv, 6);
 BI_MC(epel, hv, 8);
 BI_MC(epel, hv, 16);
 BI_MC(epel, hv, 24);
-- 
2.20.1



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