lavc/vp8dsp: R-V put_vp8_pixels

C908:
vp8_put_pixels4_c: 78.0
vp8_put_pixels4_rvi: 33.7
vp8_put_pixels8_c: 278.0
vp8_put_pixels8_rvi: 55.0
vp8_put_pixels16_c: 999.0
vp8_put_pixels16_rvi: 86.7

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

6 files changed, 162 insertions, 0 deletions

diff --git a/libavcodec/riscv/Makefile b/libavcodec/riscv/Makefile
index 11d47f9a57..89273b1cad 100644
--- a/libavcodec/riscv/Makefile
+++ b/libavcodec/riscv/Makefile
@@ -59,6 +59,7 @@ RVV-OBJS-$(CONFIG_UTVIDEO_DECODER) += riscv/utvideodsp_rvv.o
 OBJS-$(CONFIG_VC1DSP) += riscv/vc1dsp_init.o
 RVV-OBJS-$(CONFIG_VC1DSP) += riscv/vc1dsp_rvv.o
 OBJS-$(CONFIG_VP8DSP) += riscv/vp8dsp_init.o
+RV-OBJS-$(CONFIG_VP8DSP) += riscv/vp8dsp_rvi.o
 RVV-OBJS-$(CONFIG_VP8DSP) += riscv/vp8dsp_rvv.o
 OBJS-$(CONFIG_VP9_DECODER) += riscv/vp9dsp_init.o
 RVV-OBJS-$(CONFIG_VP9_DECODER) += riscv/vp9_intra_rvv.o
diff --git a/libavcodec/riscv/vp8dsp.h b/libavcodec/riscv/vp8dsp.h
new file mode 100644
index 0000000000..971c5c0a96
--- /dev/null
+++ b/libavcodec/riscv/vp8dsp.h
@@ -0,0 +1,75 @@
+/*
+ * 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_VP8DSP_H
+#define AVCODEC_RISCV_VP8DSP_H
+
+#include "libavcodec/vp8dsp.h"
+
+#define VP8_LF_Y(hv, inner, opt)                                             \
+    void ff_vp8_##hv##_loop_filter16##inner##_##opt(uint8_t *dst,            \
+                                                    ptrdiff_t stride,        \
+                                                    int flim_E, int flim_I,  \
+                                                    int hev_thresh)
+
+#define VP8_LF_UV(hv, inner, opt)                                            \
+    void ff_vp8_##hv##_loop_filter8uv##inner##_##opt(uint8_t *dstU,          \
+                                                     uint8_t *dstV,          \
+                                                     ptrdiff_t stride,       \
+                                                     int flim_E, int flim_I, \
+                                                     int hev_thresh)
+
+#define VP8_LF_SIMPLE(hv, opt)                                          \
+    void ff_vp8_##hv##_loop_filter16_simple_##opt(uint8_t *dst,         \
+                                                  ptrdiff_t stride,     \
+                                                  int flim)
+
+#define VP8_LF_HV(inner, opt)                   \
+    VP8_LF_Y(h,  inner, opt);                   \
+    VP8_LF_Y(v,  inner, opt);                   \
+    VP8_LF_UV(h, inner, opt);                   \
+    VP8_LF_UV(v, inner, opt)
+
+#define VP8_LF(opt)                             \
+    VP8_LF_HV(,       opt);                     \
+    VP8_LF_HV(_inner, opt);                     \
+    VP8_LF_SIMPLE(h, opt);                      \
+    VP8_LF_SIMPLE(v, opt)
+
+#define VP8_MC(n, opt)                                                  \
+    void ff_put_vp8_##n##_##opt(uint8_t *dst, ptrdiff_t dststride,      \
+                                const uint8_t *src, ptrdiff_t srcstride,\
+                                int h, int x, int y)
+
+#define VP8_EPEL(w, opt)                        \
+    VP8_MC(pixels ## w, opt);                   \
+    VP8_MC(epel ## w ## _h4, opt);              \
+    VP8_MC(epel ## w ## _h6, opt);              \
+    VP8_MC(epel ## w ## _v4, opt);              \
+    VP8_MC(epel ## w ## _h4v4, opt);            \
+    VP8_MC(epel ## w ## _h6v4, opt);            \
+    VP8_MC(epel ## w ## _v6, opt);              \
+    VP8_MC(epel ## w ## _h4v6, opt);            \
+    VP8_MC(epel ## w ## _h6v6, opt)
+
+#define VP8_BILIN(w, opt)                       \
+    VP8_MC(bilin ## w ## _h, opt);              \
+    VP8_MC(bilin ## w ## _v, opt);              \
+    VP8_MC(bilin ## w ## _hv, opt)
+
+#endif /* AVCODEC_RISCV_VP8DSP_H */
diff --git a/libavcodec/riscv/vp8dsp_init.c b/libavcodec/riscv/vp8dsp_init.c
index af57aabb71..fa3feeacf7 100644
--- a/libavcodec/riscv/vp8dsp_init.c
+++ b/libavcodec/riscv/vp8dsp_init.c
@@ -24,11 +24,33 @@
 #include "libavutil/cpu.h"
 #include "libavutil/riscv/cpu.h"
 #include "libavcodec/vp8dsp.h"
+#include "vp8dsp.h"
 
 void ff_vp8_idct_dc_add_rvv(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
 void ff_vp8_idct_dc_add4y_rvv(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride);
 void ff_vp8_idct_dc_add4uv_rvv(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride);
 
+VP8_EPEL(16, rvi);
+VP8_EPEL(8,  rvi);
+VP8_EPEL(4,  rvi);
+
+av_cold void ff_vp78dsp_init_riscv(VP8DSPContext *c)
+{
+#if HAVE_RV
+    int flags = av_get_cpu_flags();
+    if (flags & AV_CPU_FLAG_RVI) {
+#if __riscv_xlen >= 64
+        c->put_vp8_epel_pixels_tab[0][0][0] = ff_put_vp8_pixels16_rvi;
+        c->put_vp8_epel_pixels_tab[1][0][0] = ff_put_vp8_pixels8_rvi;
+        c->put_vp8_bilinear_pixels_tab[0][0][0] = ff_put_vp8_pixels16_rvi;
+        c->put_vp8_bilinear_pixels_tab[1][0][0] = ff_put_vp8_pixels8_rvi;
+#endif
+        c->put_vp8_epel_pixels_tab[2][0][0] = ff_put_vp8_pixels4_rvi;
+        c->put_vp8_bilinear_pixels_tab[2][0][0] = ff_put_vp8_pixels4_rvi;
+    }
+#endif
+}
+
 av_cold void ff_vp8dsp_init_riscv(VP8DSPContext *c)
 {
 #if HAVE_RVV
diff --git a/libavcodec/riscv/vp8dsp_rvi.S b/libavcodec/riscv/vp8dsp_rvi.S
new file mode 100644
index 0000000000..50ba4f293f
--- /dev/null
+++ b/libavcodec/riscv/vp8dsp_rvi.S
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
+ *
+ * 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/riscv/asm.S"
+
+#if __riscv_xlen >= 64
+func ff_put_vp8_pixels16_rvi
+1:
+        addi          a4, a4, -1
+        ld            t0, (a2)
+        ld            t1, 8(a2)
+        sd            t0, (a0)
+        sd            t1, 8(a0)
+        add           a2, a2, a3
+        add           a0, a0, a1
+        bnez          a4, 1b
+
+        ret
+endfunc
+
+func ff_put_vp8_pixels8_rvi
+1:
+        addi          a4, a4, -1
+        ld            t0, (a2)
+        sd            t0, (a0)
+        add           a2, a2, a3
+        add           a0, a0, a1
+        bnez          a4, 1b
+
+        ret
+endfunc
+#endif
+
+func ff_put_vp8_pixels4_rvi
+1:
+        addi          a4, a4, -1
+        lw            t0, (a2)
+        sw            t0, (a0)
+        add           a2, a2, a3
+        add           a0, a0, a1
+        bnez          a4, 1b
+
+        ret
+endfunc
diff --git a/libavcodec/vp8dsp.c b/libavcodec/vp8dsp.c
index 72d4ea3793..8624c3ae15 100644
--- a/libavcodec/vp8dsp.c
+++ b/libavcodec/vp8dsp.c
@@ -681,6 +681,8 @@ av_cold void ff_vp78dsp_init(VP8DSPContext *dsp)
     ff_vp78dsp_init_arm(dsp);
 #elif ARCH_PPC
     ff_vp78dsp_init_ppc(dsp);
+#elif ARCH_RISCV
+    ff_vp78dsp_init_riscv(dsp);
 #elif ARCH_X86
     ff_vp78dsp_init_x86(dsp);
 #endif
diff --git a/libavcodec/vp8dsp.h b/libavcodec/vp8dsp.h
index 30dc2c6cc1..3bf12b6b45 100644
--- a/libavcodec/vp8dsp.h
+++ b/libavcodec/vp8dsp.h
@@ -87,6 +87,7 @@ void ff_vp78dsp_init(VP8DSPContext *c);
 void ff_vp78dsp_init_aarch64(VP8DSPContext *c);
 void ff_vp78dsp_init_arm(VP8DSPContext *c);
 void ff_vp78dsp_init_ppc(VP8DSPContext *c);
+void ff_vp78dsp_init_riscv(VP8DSPContext *c);
 void ff_vp78dsp_init_x86(VP8DSPContext *c);
 
 void ff_vp8dsp_init(VP8DSPContext *c);