diff --git a/doc/APIchanges b/doc/APIchanges
index 9c057b6510..dd57454c4f 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2026-06-23.
 
 API changes, most recent first:
 
+2026-09-09 - xxxxxxxxxx - lavc 63.12.100 - avcodec.h
+  Add FF_DCT_RVV to enable the RISC-V Vector FDCT implementation.
+
 2026-09-xx - xxxxxxxxxx - lavu 61.7.100 - samplefmt.h
   Add AV_SAMPLE_FMT_DSD.
 
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 851406e1ba..1b3eaa799c 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1536,6 +1536,10 @@ typedef struct AVCodecContext {
 #define FF_DCT_ALTIVEC 5
 #define FF_DCT_FAAN    6
 #define FF_DCT_NEON    7
+/**
+ * Select a RISC-V Vector implementation of the forward DCT when available.
+ */
+#define FF_DCT_RVV     8
 
     /**
      * IDCT algorithm, see FF_IDCT_* below.
diff --git a/libavcodec/fdctdsp.c b/libavcodec/fdctdsp.c
index d20558ce88..2d217ae664 100644
--- a/libavcodec/fdctdsp.c
+++ b/libavcodec/fdctdsp.c
@@ -48,5 +48,7 @@ av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx)
     ff_fdctdsp_init_ppc(c, avctx, high_bit_depth);
 #elif ARCH_X86
     ff_fdctdsp_init_x86(c, avctx, high_bit_depth);
+#elif ARCH_RISCV
+    ff_fdctdsp_init_riscv(c, avctx, high_bit_depth);
 #endif
 }
diff --git a/libavcodec/fdctdsp.h b/libavcodec/fdctdsp.h
index cad99ed7ca..6399f49192 100644
--- a/libavcodec/fdctdsp.h
+++ b/libavcodec/fdctdsp.h
@@ -38,6 +38,8 @@ void ff_fdctdsp_init_ppc(FDCTDSPContext *c, struct AVCodecContext *avctx,
                          unsigned high_bit_depth);
 void ff_fdctdsp_init_x86(FDCTDSPContext *c, struct AVCodecContext *avctx,
                          unsigned high_bit_depth);
+void ff_fdctdsp_init_riscv(FDCTDSPContext *c, struct AVCodecContext *avctx,
+                         unsigned high_bit_depth);
 
 void ff_fdct_ifast(int16_t *data);
 void ff_fdct_ifast248(int16_t *data);
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index e18d0d4c46..100095b24c 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -159,6 +159,7 @@ static const AVOption avcodec_options[] = {
 {"altivec", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DCT_ALTIVEC }, INT_MIN, INT_MAX, V|E, .unit = "dct"},
 {"faan", "floating point AAN DCT", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DCT_FAAN }, INT_MIN, INT_MAX, V|E, .unit = "dct"},
 {"neon", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DCT_NEON }, INT_MIN, INT_MAX, V|E, .unit = "dct"},
+{ "rvv", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_DCT_RVV }, INT_MIN, INT_MAX, V|E, .unit = "dct" },
 {"lumi_mask", "compresses bright areas stronger than medium ones", OFFSET(lumi_masking), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V|E},
 {"tcplx_mask", "temporal complexity masking", OFFSET(temporal_cplx_masking), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V|E},
 {"scplx_mask", "spatial complexity masking", OFFSET(spatial_cplx_masking), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V|E},
diff --git a/libavcodec/riscv/Makefile b/libavcodec/riscv/Makefile
index e8b9af2bd1..0299215120 100644
--- a/libavcodec/riscv/Makefile
+++ b/libavcodec/riscv/Makefile
@@ -6,6 +6,8 @@ OBJS-$(CONFIG_AC3DSP) += riscv/ac3dsp_init.o
 RV-OBJS-$(CONFIG_AC3DSP) += riscv/ac3dsp_rvb.o
 RVV-OBJS-$(CONFIG_AC3DSP) += riscv/ac3dsp_rvv.o
 RVVB-OBJS-$(CONFIG_AC3DSP) += riscv/ac3dsp_rvvb.o
+OBJS-$(CONFIG_FDCTDSP) += riscv/fdctdsp_init.o
+RVV-OBJS-$(CONFIG_FDCTDSP) += riscv/fdctdsp_rvv.o
 OBJS-$(CONFIG_ALAC_DECODER) += riscv/alacdsp_init.o
 RVV-OBJS-$(CONFIG_ALAC_DECODER) += riscv/alacdsp_rvv.o
 OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_init.o
diff --git a/libavcodec/riscv/fdct.h b/libavcodec/riscv/fdct.h
new file mode 100644
index 0000000000..24749b5ee4
--- /dev/null
+++ b/libavcodec/riscv/fdct.h
@@ -0,0 +1,26 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_RISCV_FDCT_H
+#define AVCODEC_RISCV_FDCT_H
+
+#include <stdint.h>
+
+void ff_fdct_rvv(int16_t *block);
+
+#endif /* AVCODEC_RISCV_FDCT_H */
diff --git a/libavcodec/riscv/fdctdsp_init.c b/libavcodec/riscv/fdctdsp_init.c
new file mode 100644
index 0000000000..32e334b7e5
--- /dev/null
+++ b/libavcodec/riscv/fdctdsp_init.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2026 Jia Yuan <yuan.jia@sanechips.com.cn>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/riscv/cpu.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/fdctdsp.h"
+#include "fdct.h"
+
+av_cold void ff_fdctdsp_init_riscv(FDCTDSPContext *c, AVCodecContext *avctx,
+                                     unsigned high_bit_depth)
+{
+#if HAVE_RVV
+    int cpu_flags = av_get_cpu_flags();
+    if (!(cpu_flags & AV_CPU_FLAG_RVV_I64) || !ff_rv_vlen_least(128)) {
+        return;
+    }
+    const int dct_algo = avctx->dct_algo;
+
+    if (!high_bit_depth) {
+        if (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_RVV) {
+            c->fdct = ff_fdct_rvv;
+        }
+    }
+#endif
+}
diff --git a/libavcodec/riscv/fdctdsp_rvv.S b/libavcodec/riscv/fdctdsp_rvv.S
new file mode 100644
index 0000000000..2035f1df59
--- /dev/null
+++ b/libavcodec/riscv/fdctdsp_rvv.S
@@ -0,0 +1,279 @@
+/*
+ * Copyright (c) 2026 Jia Yuan <yuan.jia@sanechips.com.cn>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/*
+ * This file is derived from libavcodec/aarch64/fdctdsp_neon.S,
+ * which is itself based on libjpeg-turbo. The original license
+ * notice is preserved below.
+ *
+ * Armv8 Neon optimizations for libjpeg-turbo
+ *
+ * Copyright (C) 2009-2011, Nokia Corporation and/or its subsidiary(-ies).
+ *                          All Rights Reserved.
+ * Author:  Siarhei Siamashka <siarhei.siamashka@nokia.com>
+ * Copyright (C) 2013-2014, Linaro Limited.  All Rights Reserved.
+ * Author:  Ragesh Radhakrishnan <ragesh.r@linaro.org>
+ * Copyright (C) 2014-2016, 2020, D. R. Commander.  All Rights Reserved.
+ * Copyright (C) 2015-2016, 2018, Matthieu Darbois.  All Rights Reserved.
+ * Copyright (C) 2016, Siarhei Siamashka.  All Rights Reserved.
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty.  In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+
+#include "libavutil/riscv/asm.S"
+#include "rvv.S"
+
+/* Constants for FDCT */
+#define CONST_BITS  13
+#ifndef EIGHT_BIT_SAMPLES
+#  define PASS1_BITS  1
+#else
+#  define PASS1_BITS  2
+#endif
+#define DESCALE_P1  (CONST_BITS - PASS1_BITS)   /* 12 or 11 */
+#define DESCALE_P2  (CONST_BITS + PASS1_BITS)   /* 14 or 15 */
+
+/* FIX(x) = (int)( (x) * (1 << CONST_BITS) + 0.5 ) */
+#define F_0_298   2446
+#define F_0_390   3196
+#define F_0_541   4433
+#define F_0_765   6270
+#define F_0_899   7373
+#define F_1_175   9633
+#define F_1_501  12299
+#define F_1_847  15137
+#define F_1_961  16069
+#define F_2_053  16819
+#define F_2_562  20995
+#define F_3_072  25172
+
+/* ------------------------------------------------------- */
+/* One-dimensional FDCT (8 elements in, 8 elements out)    */
+/*   pass: 0 = first pass (shift DESCALE_P1, shl out0/out4)*/
+/*         1 = second pass (shift DESCALE_P2, srshr out0/4)*/
+/* ------------------------------------------------------- */
+.macro fdct_1d pass, r0, r1, r2, r3, r4, r5, r6, r7
+    /* Input  : r0..r7 (int16, m1)                         */
+    /* During 32-bit arithmetic we switch to e32, m2       */
+    /* Output : v16..v23 (int16, m1)                       */
+
+    /* ---- Butterfly sums/differences (16-bit) ---- */
+    vadd.vv   v24, \r0, \r7    /* tmp0 = S0 + S7 */
+    vsub.vv   v31, \r0, \r7    /* tmp7 = S0 - S7 */
+    vadd.vv   v25, \r1, \r6    /* tmp1 = S1 + S6 */
+    vsub.vv   v30, \r1, \r6    /* tmp6 = S1 - S6 */
+    vadd.vv   v26, \r2, \r5    /* tmp2 = S2 + S5 */
+    vsub.vv   v29, \r2, \r5    /* tmp5 = S2 - S5 */
+    vadd.vv   v27, \r3, \r4    /* tmp3 = S3 + S4 */
+    vsub.vv   v28, \r3, \r4    /* tmp4 = S3 - S4 */
+
+    /* ---- Even part ---- */
+    vadd.vv   v4,  v24, v27    /* tmp10 = tmp0 + tmp3 */
+    vsub.vv   v5,  v24, v27    /* tmp13 = tmp0 - tmp3 */
+    vadd.vv   v6,  v25, v26    /* tmp11 = tmp1 + tmp2 */
+    vsub.vv   v7,  v25, v26    /* tmp12 = tmp1 - tmp2 */
+
+    vadd.vv   v16, v4, v6      /* out0 = tmp10 + tmp11 */
+    vsub.vv   v20, v4, v6      /* out4 = tmp10 - tmp11 */
+    vadd.vv   v12, v7, v5      /* (tmp12 + tmp13) for z1 */
+
+    /* For the first pass: left shift out0 and out4 */
+.if \pass == 0
+    vsll.vi   v16, v16, PASS1_BITS
+    vsll.vi   v20, v20, PASS1_BITS
+.else
+    /* Second pass: rounding right shift out0 and out4 */
+    vsetivli  zero, 8, e32, m2, ta, ma
+    vsext.vf2 v8, v16
+    vsext.vf2 v10, v20
+    vsetivli  zero, 8, e16, m1, ta, ma
+    vnclip.wi v16, v8, PASS1_BITS
+    vnclip.wi v20, v10, PASS1_BITS
+.endif
+
+    li        t2, F_0_541
+    li        t3, F_0_765
+    li        t4, -(F_1_847)
+
+    /* z1 = (tmp12+tmp13) * F_0_541 */
+    vwmul.vx  v18, v12, t2
+    vsetivli  zero, 8, e32, m2, ta, ma
+    vmv.v.v   v22, v18         /* copy for out6 */
+
+    /* out2 = z1 + tmp13 * F_0_765 */
+    vsetivli  zero, 8, e16, m1, ta, ma
+    vwmacc.vx v18, t3, v5
+
+    /* out6 = z1 + tmp12 * (-F_1_847) */
+    vwmacc.vx v22, t4, v7
+
+    /* Narrow & shift (DESCALE_P1 or DESCALE_P2) */
+    vsetivli  zero, 8, e16, m1, ta, ma
+.if \pass == 0
+    vnclip.wi v18, v18, DESCALE_P1
+    vnclip.wi v22, v22, DESCALE_P1
+.else
+    vnclip.wi v18, v18, DESCALE_P2
+    vnclip.wi v22, v22, DESCALE_P2
+.endif
+
+    /* ---- Odd part  ---- */
+    vadd.vv   v2, v28, v31      /* z1 */
+    vadd.vv   v3, v29, v30      /* z2 */
+    vadd.vv   v6, v28, v30      /* z3 */
+    vadd.vv   v7, v29, v31      /* z4 */
+
+    /* z5 = (z3 + z4) * F_1_175 */
+    li        t2, F_1_175
+    vwmul.vx  v4, v6, t2   /* z5 = z3 * F_1_175 */
+    vwmacc.vx v4, t2, v7   /* z5 += z4 * F_1_175 */
+
+    /* tmp4 = S4 * F_0_298, tmp5 = S5 * F_2_053,
+       tmp6 = S6 * F_3_072, tmp7 = S7 * F_1_501 */
+    li        t3, F_0_298
+    li        t4, F_2_053
+    li        t5, F_3_072
+    li        t6, F_1_501
+    vwmul.vx  v8, v28, t3
+    vwmul.vx  v10, v29, t4
+    vwmul.vx  v12, v30, t5
+    vwmul.vx  v14, v31, t6
+
+    /* z1..z4 with negative coefficients */
+    li        t1, -(F_0_899)
+    li        t2, -(F_2_562)
+    li        t3, -(F_1_961)
+    li        t4, -(F_0_390)
+    vwmul.vx  v24, v2, t1
+    vwmul.vx  v26, v3, t2
+    vwmul.vx  v28, v6, t3
+    vwmul.vx  v30, v7, t4
+
+    vsetivli  zero, 8, e32, m2, ta, ma
+    /* z3 += z5, z4 += z5 */
+    vadd.vv   v28, v28, v4
+    vadd.vv   v30, v30, v4
+
+    /* tmp4 += z1 ; tmp5 += z2 ; tmp6 += z3 ; tmp7 += z4 */
+    vadd.vv    v8,  v8,  v24          /* tmp4 += z1 */
+    vadd.vv    v10, v10, v26          /* tmp5 += z2 */
+    vadd.vv    v12, v12, v28          /* tmp6 += z3 */
+    vadd.vv    v14, v14, v30          /* tmp7 += z4 */
+
+    /* tmp4 += z3 ; tmp5 += z4 ; tmp6 += z2 ; tmp7 += z1 */
+    vadd.vv    v8,  v8,  v28          /* tmp4 += z3 */
+    vadd.vv    v10, v10, v30          /* tmp5 += z4 */
+    vadd.vv    v12, v12, v26          /* tmp6 += z2 */
+    vadd.vv    v14, v14, v24          /* tmp7 += z1 */
+
+    /* ---- Restore 16-bit mode ---- */
+    vsetivli   zero, 8, e16, m1, ta, ma
+.if \pass == 0
+    vnclip.wi v23, v8, DESCALE_P1
+    vnclip.wi v21, v10, DESCALE_P1
+    vnclip.wi v19, v12, DESCALE_P1
+    vnclip.wi v17, v14, DESCALE_P1
+.else
+    vnclip.wi v23, v8, DESCALE_P2
+    vnclip.wi v21, v10, DESCALE_P2
+    vnclip.wi v19, v12, DESCALE_P2
+    vnclip.wi v17, v14, DESCALE_P2
+.endif
+
+.endm
+
+/* ------------------------------------------------------- */
+/* 8x8 FDCT entry point                                    */
+/*   void ff_fdct_rvv(int16_t *data)                       */
+/* ------------------------------------------------------- */
+func ff_fdct_rvv, zve64x
+    lpad 0
+
+    li        t1, 0x55
+    vsetivli  zero, 8, e16, m1, ta, ma
+    vmv.v.x   v0, t1
+    csrwi     vxrm, 0
+
+    /* Load 8x8 block (rows) */
+    mv        t0, a0
+    vle16.v   v16, (t0)
+    addi      t0, t0, 16
+    vle16.v   v17, (t0)
+    addi      t0, t0, 16
+    vle16.v   v18, (t0)
+    addi      t0, t0, 16
+    vle16.v   v19, (t0)
+    addi      t0, t0, 16
+    vle16.v   v20, (t0)
+    addi      t0, t0, 16
+    vle16.v   v21, (t0)
+    addi      t0, t0, 16
+    vle16.v   v22, (t0)
+    addi      t0, t0, 16
+    vle16.v   v23, (t0)
+
+    /* First transpose: rows -> columns */
+    TRANSPOSE_8x8 16, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23
+
+    /* First 1-D FDCT (columns) */
+    vsetivli   zero, 8, e16, m1, ta, ma
+    fdct_1d 0, v8, v9, v10, v11, v12, v13, v14, v15
+
+    /* Transpose again: columns -> rows */
+    TRANSPOSE_8x8 16, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23
+
+    /* Second 1-D FDCT (rows) */
+    vsetivli   zero, 8, e16, m1, ta, ma
+    fdct_1d 1, v8, v9, v10, v11, v12, v13, v14, v15
+
+    /* Store the final 8x8 block back to memory */
+    mv        t0, a0
+    vse16.v   v16, (t0)
+    addi      t0, t0, 16
+    vse16.v   v17, (t0)
+    addi      t0, t0, 16
+    vse16.v   v18, (t0)
+    addi      t0, t0, 16
+    vse16.v   v19, (t0)
+    addi      t0, t0, 16
+    vse16.v   v20, (t0)
+    addi      t0, t0, 16
+    vse16.v   v21, (t0)
+    addi      t0, t0, 16
+    vse16.v   v22, (t0)
+    addi      t0, t0, 16
+    vse16.v   v23, (t0)
+
+    ret
+endfunc
diff --git a/libavcodec/riscv/rvv.S b/libavcodec/riscv/rvv.S
new file mode 100644
index 0000000000..4cdf962302
--- /dev/null
+++ b/libavcodec/riscv/rvv.S
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2026 Jia Yuan <yuan.jia@sanechips.com.cn>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// v0 must be 0x55 as mask
+.macro TRANSPOSE_8x8 es, d0, d1, d2, d3, d4, d5, d6, d7, r0, r1, r2, r3, r4, r5, r6, r7
+    vslideup.vi     \d0, \r1, 1
+    vslidedown.vi   \d1, \r0, 1
+    vslideup.vi     \d2, \r3, 1
+    vslidedown.vi   \d3, \r2, 1
+    vslideup.vi     \d4, \r5, 1
+    vslidedown.vi   \d5, \r4, 1
+    vslideup.vi     \d6, \r7, 1
+    vslidedown.vi   \d7, \r6, 1
+    vmerge.vvm      \d0, \d0, \r0, v0
+    vmerge.vvm      \d1, \r1, \d1, v0
+    vmerge.vvm      \d2, \d2, \r2, v0
+    vmerge.vvm      \d3, \r3, \d3, v0
+    vmerge.vvm      \d4, \d4, \r4, v0
+    vmerge.vvm      \d5, \r5, \d5, v0
+    vmerge.vvm      \d6, \d6, \r6, v0
+    vmerge.vvm      \d7, \r7, \d7, v0
+
+.if \es == 16
+    vsetivli        zero, 4, e32, m1, ta, ma
+.elseif \es == 8
+    vsetivli        zero, 4, e16, m1, ta, ma
+.endif
+
+    vslideup.vi     \r0, \d2, 1
+    vslidedown.vi   \r1, \d0, 1
+    vslideup.vi     \r2, \d3, 1
+    vslidedown.vi   \r3, \d1, 1
+    vslideup.vi     \r4, \d6, 1
+    vslidedown.vi   \r5, \d4, 1
+    vslideup.vi     \r6, \d7, 1
+    vslidedown.vi   \r7, \d5, 1
+    vmerge.vvm      \r0, \r0, \d0, v0
+    vmerge.vvm      \r1, \d2, \r1, v0
+    vmerge.vvm      \r2, \r2, \d1, v0
+    vmerge.vvm      \r3, \d3, \r3, v0
+    vmerge.vvm      \r4, \r4, \d4, v0
+    vmerge.vvm      \r5, \d6, \r5, v0
+    vmerge.vvm      \r6, \r6, \d5, v0
+    vmerge.vvm      \r7, \d7, \r7, v0
+
+.if \es == 16
+    vsetivli        zero, 2, e64, m1, ta, ma
+.elseif \es == 8
+    vsetivli        zero, 2, e32, m1, ta, ma
+.endif
+
+    vslideup.vi     \d0, \r4, 1
+    vslidedown.vi   \d4, \r0, 1
+    vslideup.vi     \d1, \r6, 1
+    vslidedown.vi   \d5, \r2, 1
+    vslideup.vi     \d2, \r5, 1
+    vslidedown.vi   \d6, \r1, 1
+    vslideup.vi     \d3, \r7, 1
+    vslidedown.vi   \d7, \r3, 1
+    vmerge.vvm      \d0, \d0, \r0, v0
+    vmerge.vvm      \d4, \r4, \d4, v0
+    vmerge.vvm      \d1, \d1, \r2, v0
+    vmerge.vvm      \d5, \r6, \d5, v0
+    vmerge.vvm      \d2, \d2, \r1, v0
+    vmerge.vvm      \d6, \r5, \d6, v0
+    vmerge.vvm      \d3, \d3, \r3, v0
+    vmerge.vvm      \d7, \r7, \d7, v0
+.endm
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 6d4d7ca018..da2264a097 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,8 +29,8 @@
 
 #include "version_major.h"
 
-#define LIBAVCODEC_VERSION_MINOR  11
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MINOR  12
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \