diff --git a/libswscale/riscv/rgb2rgb.c b/libswscale/riscv/rgb2rgb.c
index 32c1546827..37a2cd5ea1 100644
--- a/libswscale/riscv/rgb2rgb.c
+++ b/libswscale/riscv/rgb2rgb.c
@@ -33,6 +33,12 @@ void ff_shuffle_bytes_3210_rvv(const uint8_t *src, uint8_t *dst, int src_len);
 void ff_interleave_bytes_rvv(const uint8_t *src1, const uint8_t *src2,
                              uint8_t *dst, int width, int height, int s1stride,
                              int s2stride, int dstride);
+void ff_uyvytoyuv422_rvv(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+                         const uint8_t *src, int width, int height,
+                         int ystride, int uvstride, int src_stride);
+void ff_yuyvtoyuv422_rvv(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+                         const uint8_t *src, int width, int height,
+                         int ystride, int uvstride, int src_stride);
 
 av_cold void rgb2rgb_init_riscv(void)
 {
@@ -46,6 +52,10 @@ av_cold void rgb2rgb_init_riscv(void)
         shuffle_bytes_3012 = ff_shuffle_bytes_3012_rvv;
         shuffle_bytes_3210 = ff_shuffle_bytes_3210_rvv;
         interleaveBytes = ff_interleave_bytes_rvv;
+#if (__riscv_xlen == 64)
+        uyvytoyuv422 = ff_uyvytoyuv422_rvv;
+        yuyvtoyuv422 = ff_yuyvtoyuv422_rvv;
+#endif
     }
 #endif
 }
diff --git a/libswscale/riscv/rgb2rgb_rvv.S b/libswscale/riscv/rgb2rgb_rvv.S
index 7f8c2efd80..5626d906eb 100644
--- a/libswscale/riscv/rgb2rgb_rvv.S
+++ b/libswscale/riscv/rgb2rgb_rvv.S
@@ -102,3 +102,56 @@ func ff_interleave_bytes_rvv, zve32x
 
         ret
 endfunc
+
+#if (__riscv_xlen == 64)
+.macro yuy2_to_i422p v_y0, v_y1, v_u, v_v
+        addi    sp, sp, -16
+        sd      s0,   (sp)
+        sd      s1,  8(sp)
+        addi    a4, a4, 1
+        lw      s0, 16(sp)
+        srai    a4, a4, 1 // pixel width -> chroma width
+        li      s1, 2
+1:
+        mv      t4, a4
+        mv      t3, a3
+        mv      t0, a0
+        addi    t6, a0, 1
+        mv      t1, a1
+        mv      t2, a2
+        addi    a5, a5, -1
+2:
+        vsetvli    t5, t4, e8, m1, ta, ma
+        sub        t4, t4, t5
+        vlseg4e8.v v8, (t3)
+        sh2add     t3, t5, t3
+        vsse8.v    \v_y0, (t0), s1
+        sh1add     t0, t5, t0
+        vsse8.v    \v_y1, (t6), s1
+        sh1add     t6, t5, t6
+        vse8.v     \v_u, (t1)
+        add        t1, t5, t1
+        vse8.v     \v_v, (t2)
+        add        t2, t5, t2
+        bnez       t4, 2b
+
+        add     a3, a3, s0
+        add     a0, a0, a6
+        add     a1, a1, a7
+        add     a2, a2, a7
+        bnez    a5, 1b
+
+        ld      s1,  8(sp)
+        ld      s0,   (sp)
+        addi    sp, sp, 16
+        ret
+.endm
+
+func ff_uyvytoyuv422_rvv, zve32x
+        yuy2_to_i422p v9, v11, v8, v10
+endfunc
+
+func ff_yuyvtoyuv422_rvv, zve32x
+        yuy2_to_i422p v8, v10, v9, v11
+endfunc
+#endif