[FFmpeg-devel] [PATCH 2/3] lavc/hevc: R-V V put_pixels(pow2)
uk7b at foxmail.com
uk7b at foxmail.com
Sun Nov 10 13:34:56 EET 2024
From: sunyuechi <sunyuechi at iscas.ac.cn>
k230 banana_f3
put_hevc_pel_pixels4_8_c: 61.6 ( 1.00x) 69.5 ( 1.00x)
put_hevc_pel_pixels4_8_rvv_i32: 24.6 ( 2.50x) 28.0 ( 2.48x)
put_hevc_pel_pixels8_8_c: 209.8 ( 1.00x) 215.5 ( 1.00x)
put_hevc_pel_pixels8_8_rvv_i32: 52.6 ( 3.99x) 38.2 ( 5.64x)
put_hevc_pel_pixels16_8_c: 839.4 ( 1.00x) 830.0 ( 1.00x)
put_hevc_pel_pixels16_8_rvv_i32: 126.6 ( 6.63x) 90.5 ( 9.17x)
put_hevc_pel_pixels32_8_c: 3246.6 ( 1.00x) 3246.7 ( 1.00x)
put_hevc_pel_pixels32_8_rvv_i32: 311.6 (10.42x) 257.0 (12.63x)
put_hevc_pel_pixels64_8_c: 12894.6 ( 1.00x) 12892.7 ( 1.00x)
put_hevc_pel_pixels64_8_rvv_i32: 1135.8 (11.35x) 778.0 (16.57x)
---
libavcodec/hevc/dsp.c | 2 +
libavcodec/hevc/dsp.h | 1 +
libavcodec/riscv/Makefile | 2 +
libavcodec/riscv/h26x/h2656_inter_rvv.S | 24 +++++++++
libavcodec/riscv/hevcdsp_init.c | 67 +++++++++++++++++++++++++
5 files changed, 96 insertions(+)
create mode 100644 libavcodec/riscv/h26x/h2656_inter_rvv.S
create mode 100644 libavcodec/riscv/hevcdsp_init.c
diff --git a/libavcodec/hevc/dsp.c b/libavcodec/hevc/dsp.c
index 60f059292c..c2e72cd0f5 100644
--- a/libavcodec/hevc/dsp.c
+++ b/libavcodec/hevc/dsp.c
@@ -265,6 +265,8 @@ int i = 0;
ff_hevc_dsp_init_arm(hevcdsp, bit_depth);
#elif ARCH_PPC
ff_hevc_dsp_init_ppc(hevcdsp, bit_depth);
+#elif ARCH_RISCV
+ ff_hevc_dsp_init_riscv(hevcdsp, bit_depth);
#elif ARCH_X86
ff_hevc_dsp_init_x86(hevcdsp, bit_depth);
#elif ARCH_MIPS
diff --git a/libavcodec/hevc/dsp.h b/libavcodec/hevc/dsp.h
index 02b8e0e8e2..6d77a470ff 100644
--- a/libavcodec/hevc/dsp.h
+++ b/libavcodec/hevc/dsp.h
@@ -133,6 +133,7 @@ extern const int8_t ff_hevc_qpel_filters[4][16];
void ff_hevc_dsp_init_aarch64(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_arm(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_ppc(HEVCDSPContext *c, const int bit_depth);
+void ff_hevc_dsp_init_riscv(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_mips(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_loongarch(HEVCDSPContext *c, const int bit_depth);
diff --git a/libavcodec/riscv/Makefile b/libavcodec/riscv/Makefile
index 1f1fa03329..a80d2fa2e7 100644
--- a/libavcodec/riscv/Makefile
+++ b/libavcodec/riscv/Makefile
@@ -35,6 +35,8 @@ RVV-OBJS-$(CONFIG_H264DSP) += riscv/h264addpx_rvv.o riscv/h264dsp_rvv.o \
riscv/h264idct_rvv.o
OBJS-$(CONFIG_H264QPEL) += riscv/h264qpel_init.o
RVV-OBJS-$(CONFIG_H264QPEL) += riscv/h264qpel_rvv.o
+OBJS-$(CONFIG_HEVC_DECODER) += riscv/hevcdsp_init.o
+RVV-OBJS-$(CONFIG_HEVC_DECODER) += riscv/h26x/h2656_inter_rvv.o
OBJS-$(CONFIG_HUFFYUV_DECODER) += riscv/huffyuvdsp_init.o
RVV-OBJS-$(CONFIG_HUFFYUV_DECODER) += riscv/huffyuvdsp_rvv.o
OBJS-$(CONFIG_IDCTDSP) += riscv/idctdsp_init.o
diff --git a/libavcodec/riscv/h26x/h2656_inter_rvv.S b/libavcodec/riscv/h26x/h2656_inter_rvv.S
new file mode 100644
index 0000000000..9aba14ae2b
--- /dev/null
+++ b/libavcodec/riscv/h26x/h2656_inter_rvv.S
@@ -0,0 +1,24 @@
+/*
+ * 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 "libavcodec/riscv/h26x/asm.S"
+
+func_put_pixels 256, 64, h2656
+func_put_pixels 128, 64, h2656
diff --git a/libavcodec/riscv/hevcdsp_init.c b/libavcodec/riscv/hevcdsp_init.c
new file mode 100644
index 0000000000..1d8326a573
--- /dev/null
+++ b/libavcodec/riscv/hevcdsp_init.c
@@ -0,0 +1,67 @@
+/*
+ * 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 "config.h"
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/riscv/cpu.h"
+
+#include "libavcodec/hevc/dsp.h"
+#include "libavcodec/riscv/h26x/h2656dsp.h"
+
+#define RVV_FNASSIGN(member, v, h, fn, ext) \
+ member[1][v][h] = ff_h2656_put_pixels_##8_##ext; \
+ member[3][v][h] = ff_h2656_put_pixels_##8_##ext; \
+ member[5][v][h] = ff_h2656_put_pixels_##8_##ext; \
+ member[7][v][h] = ff_h2656_put_pixels_##8_##ext; \
+ member[9][v][h] = ff_h2656_put_pixels_##8_##ext;
+
+void ff_hevc_dsp_init_riscv(HEVCDSPContext *c, const int bit_depth)
+{
+#if HAVE_RVV
+ const int flags = av_get_cpu_flags();
+ int vlenb;
+
+ if (!(flags & AV_CPU_FLAG_RVV_I32) || !(flags & AV_CPU_FLAG_RVB))
+ return;
+
+ vlenb = ff_get_rv_vlenb();
+ if (vlenb >= 32) {
+ switch (bit_depth) {
+ case 8:
+ RVV_FNASSIGN(c->put_hevc_qpel, 0, 0, pel_pixels, rvv_256);
+ RVV_FNASSIGN(c->put_hevc_epel, 0, 0, pel_pixels, rvv_256);
+ break;
+ default:
+ break;
+ }
+ } else if (vlenb >= 16) {
+ switch (bit_depth) {
+ case 8:
+ RVV_FNASSIGN(c->put_hevc_qpel, 0, 0, pel_pixels, rvv_128);
+ RVV_FNASSIGN(c->put_hevc_epel, 0, 0, pel_pixels, rvv_128);
+ break;
+ default:
+ break;
+ }
+ }
+#endif
+}
--
2.47.0
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