[FFmpeg-devel] [PATCH v4] avcodec/riscv: add h264 qpel
J. Dekker
jdek at itanimul.li
Wed Sep 25 03:45:46 EEST 2024
From: Niklas Haas <git at haasn.dev>
Benched on K230 for VLEN 128, SpaceMIT for VLEN 256. Variants for 4
width have no speedup for VLEN 256 vs VLEN 128 on available hardware,
so were disabled.
C RVV128 C RVV256
avg_h264_qpel_4_mc00_8 33.9 33.6 (1.01x)
avg_h264_qpel_4_mc01_8 218.8 89.1 (2.46x)
avg_h264_qpel_4_mc02_8 218.8 79.8 (2.74x)
avg_h264_qpel_4_mc03_8 218.8 89.1 (2.46x)
avg_h264_qpel_4_mc10_8 172.3 126.1 (1.37x)
avg_h264_qpel_4_mc11_8 339.1 190.8 (1.78x)
avg_h264_qpel_4_mc12_8 533.6 357.6 (1.49x)
avg_h264_qpel_4_mc13_8 348.4 190.8 (1.83x)
avg_h264_qpel_4_mc20_8 144.8 116.8 (1.24x)
avg_h264_qpel_4_mc21_8 478.1 385.6 (1.24x)
avg_h264_qpel_4_mc22_8 348.4 283.6 (1.23x)
avg_h264_qpel_4_mc23_8 478.1 394.6 (1.21x)
avg_h264_qpel_4_mc30_8 172.6 126.1 (1.37x)
avg_h264_qpel_4_mc31_8 339.4 191.1 (1.78x)
avg_h264_qpel_4_mc32_8 542.9 357.6 (1.52x)
avg_h264_qpel_4_mc33_8 339.4 191.1 (1.78x)
avg_h264_qpel_8_mc00_8 116.8 42.9 (2.72x) 123.6 50.6 (2.44x)
avg_h264_qpel_8_mc01_8 774.4 163.1 (4.75x) 779.8 165.1 (4.72x)
avg_h264_qpel_8_mc02_8 774.4 154.1 (5.03x) 779.8 144.3 (5.40x)
avg_h264_qpel_8_mc03_8 774.4 163.3 (4.74x) 779.8 165.3 (4.72x)
avg_h264_qpel_8_mc10_8 617.1 237.3 (2.60x) 613.1 227.6 (2.69x)
avg_h264_qpel_8_mc11_8 1209.3 376.4 (3.21x) 1206.8 363.1 (3.32x)
avg_h264_qpel_8_mc12_8 1913.3 598.6 (3.20x) 1894.3 561.1 (3.38x)
avg_h264_qpel_8_mc13_8 1218.6 376.4 (3.24x) 1217.1 363.1 (3.35x)
avg_h264_qpel_8_mc20_8 524.4 228.1 (2.30x) 519.3 227.6 (2.28x)
avg_h264_qpel_8_mc21_8 1709.6 681.9 (2.51x) 1707.1 644.3 (2.65x)
avg_h264_qpel_8_mc22_8 1274.3 459.6 (2.77x) 1279.8 436.1 (2.93x)
avg_h264_qpel_8_mc23_8 1700.3 672.6 (2.53x) 1706.8 644.6 (2.65x)
avg_h264_qpel_8_mc30_8 607.6 246.6 (2.46x) 623.6 238.1 (2.62x)
avg_h264_qpel_8_mc31_8 1209.6 376.4 (3.21x) 1206.8 363.1 (3.32x)
avg_h264_qpel_8_mc32_8 1904.1 607.9 (3.13x) 1894.3 571.3 (3.32x)
avg_h264_qpel_8_mc33_8 1209.6 376.1 (3.22x) 1206.8 363.1 (3.32x)
avg_h264_qpel_16_mc00_8 431.9 89.1 (4.85x) 436.1 71.3 (6.12x)
avg_h264_qpel_16_mc01_8 2894.6 376.1 (7.70x) 2842.3 300.6 (9.46x)
avg_h264_qpel_16_mc02_8 2987.3 348.4 (8.57x) 2967.3 290.1 (10.23x)
avg_h264_qpel_16_mc03_8 2885.3 376.4 (7.67x) 2842.3 300.6 (9.46x)
avg_h264_qpel_16_mc10_8 2404.1 524.4 (4.58x) 2404.8 456.8 (5.26x)
avg_h264_qpel_16_mc11_8 4709.4 811.6 (5.80x) 4675.6 706.8 (6.62x)
avg_h264_qpel_16_mc12_8 7477.9 1274.3 (5.87x) 7436.1 1061.1 (7.01x)
avg_h264_qpel_16_mc13_8 4718.6 820.6 (5.75x) 4655.1 706.8 (6.59x)
avg_h264_qpel_16_mc20_8 2052.1 487.1 (4.21x) 2071.3 446.3 (4.64x)
avg_h264_qpel_16_mc21_8 7440.6 1422.6 (5.23x) 6727.8 1217.3 (5.53x)
avg_h264_qpel_16_mc22_8 5051.9 950.4 (5.32x) 5071.6 790.3 (6.42x)
avg_h264_qpel_16_mc23_8 6764.9 1422.3 (4.76x) 6748.6 1217.3 (5.54x)
avg_h264_qpel_16_mc30_8 2413.1 524.4 (4.60x) 2415.1 467.3 (5.17x)
avg_h264_qpel_16_mc31_8 4681.6 839.1 (5.58x) 4675.6 727.6 (6.43x)
avg_h264_qpel_16_mc32_8 8579.6 1292.8 (6.64x) 7436.3 1071.3 (6.94x)
avg_h264_qpel_16_mc33_8 5375.9 829.9 (6.48x) 4665.3 717.3 (6.50x)
put_h264_qpel_4_mc00_8 24.4 24.4 (1.00x)
put_h264_qpel_4_mc01_8 987.4 79.8 (12.37x)
put_h264_qpel_4_mc02_8 190.8 79.8 (2.39x)
put_h264_qpel_4_mc03_8 209.6 89.1 (2.35x)
put_h264_qpel_4_mc10_8 163.3 117.1 (1.39x)
put_h264_qpel_4_mc11_8 339.4 181.6 (1.87x)
put_h264_qpel_4_mc12_8 533.6 348.4 (1.53x)
put_h264_qpel_4_mc13_8 339.4 190.8 (1.78x)
put_h264_qpel_4_mc20_8 126.3 116.8 (1.08x)
put_h264_qpel_4_mc21_8 468.9 376.1 (1.25x)
put_h264_qpel_4_mc22_8 330.1 274.4 (1.20x)
put_h264_qpel_4_mc23_8 468.9 376.1 (1.25x)
put_h264_qpel_4_mc30_8 163.3 126.3 (1.29x)
put_h264_qpel_4_mc31_8 339.1 191.1 (1.77x)
put_h264_qpel_4_mc32_8 533.6 348.4 (1.53x)
put_h264_qpel_4_mc33_8 339.4 181.8 (1.87x)
put_h264_qpel_8_mc00_8 98.6 33.6 (2.93x) 92.3 40.1 (2.30x)
put_h264_qpel_8_mc01_8 737.1 153.8 (4.79x) 738.1 144.3 (5.12x)
put_h264_qpel_8_mc02_8 663.1 135.3 (4.90x) 665.1 134.1 (4.96x)
put_h264_qpel_8_mc03_8 737.4 154.1 (4.79x) 1508.8 144.3 (10.46x)
put_h264_qpel_8_mc10_8 598.4 237.1 (2.52x) 592.3 227.6 (2.60x)
put_h264_qpel_8_mc11_8 1172.3 357.9 (3.28x) 1175.6 342.3 (3.43x)
put_h264_qpel_8_mc12_8 1867.1 589.1 (3.17x) 1863.1 561.1 (3.32x)
put_h264_qpel_8_mc13_8 1172.6 366.9 (3.20x) 1175.6 352.8 (3.33x)
put_h264_qpel_8_mc20_8 450.4 218.8 (2.06x) 446.3 206.8 (2.16x)
put_h264_qpel_8_mc21_8 1672.3 663.1 (2.52x) 1675.6 633.8 (2.64x)
put_h264_qpel_8_mc22_8 1144.6 1200.1 (0.95x) 1144.3 425.6 (2.69x)
put_h264_qpel_8_mc23_8 1672.6 672.4 (2.49x) 1665.3 634.1 (2.63x)
put_h264_qpel_8_mc30_8 598.6 237.3 (2.52x) 613.1 227.6 (2.69x)
put_h264_qpel_8_mc31_8 1172.3 376.1 (3.12x) 1175.6 352.6 (3.33x)
put_h264_qpel_8_mc32_8 1857.8 598.6 (3.10x) 1863.1 561.1 (3.32x)
put_h264_qpel_8_mc33_8 1172.3 376.1 (3.12x) 1175.6 352.8 (3.33x)
put_h264_qpel_16_mc00_8 320.6 61.4 (5.22x) 321.3 60.8 (5.28x)
put_h264_qpel_16_mc01_8 2774.3 339.1 (8.18x) 2759.1 279.8 (9.86x)
put_h264_qpel_16_mc02_8 2589.1 320.6 (8.08x) 2571.6 269.3 (9.55x)
put_h264_qpel_16_mc03_8 2774.3 339.4 (8.17x) 2738.1 290.1 (9.44x)
put_h264_qpel_16_mc10_8 2274.3 487.4 (4.67x) 2290.1 436.1 (5.25x)
put_h264_qpel_16_mc11_8 5237.1 792.9 (6.60x) 4529.8 685.8 (6.61x)
put_h264_qpel_16_mc12_8 7357.6 1255.8 (5.86x) 7352.8 1040.1 (7.07x)
put_h264_qpel_16_mc13_8 4579.9 792.9 (5.78x) 4571.6 686.1 (6.66x)
put_h264_qpel_16_mc20_8 1802.1 459.6 (3.92x) 1800.6 425.6 (4.23x)
put_h264_qpel_16_mc21_8 6644.6 2246.6 (2.96x) 6644.3 1196.6 (5.55x)
put_h264_qpel_16_mc22_8 4589.1 913.4 (5.02x) 4592.3 769.3 (5.97x)
put_h264_qpel_16_mc23_8 6644.6 1394.6 (4.76x) 6634.1 1196.6 (5.54x)
put_h264_qpel_16_mc30_8 2274.3 496.6 (4.58x) 2290.1 456.8 (5.01x)
put_h264_qpel_16_mc31_8 5255.6 802.1 (6.55x) 4550.8 706.8 (6.44x)
put_h264_qpel_16_mc32_8 7376.1 1265.1 (5.83x) 7352.8 1050.6 (7.00x)
put_h264_qpel_16_mc33_8 4579.9 802.1 (5.71x) 4561.1 696.3 (6.55x)
Signed-off-by: Niklas Haas <git at haasn.dev>
Signed-off-by: J. Dekker <jdek at itanimul.li>
---
- Fixed LPADs
- Removed 4 width for VLEN 256 (No speedup)
- Fixed support for 128 bit RISC-V
libavcodec/h264qpel.c | 2 +
libavcodec/h264qpel.h | 1 +
libavcodec/riscv/Makefile | 2 +
libavcodec/riscv/h264qpel_init.c | 113 ++++++++
libavcodec/riscv/h264qpel_rvv.S | 464 +++++++++++++++++++++++++++++++
5 files changed, 582 insertions(+)
create mode 100644 libavcodec/riscv/h264qpel_init.c
create mode 100644 libavcodec/riscv/h264qpel_rvv.S
diff --git a/libavcodec/h264qpel.c b/libavcodec/h264qpel.c
index 65fef03304..faca1e8953 100644
--- a/libavcodec/h264qpel.c
+++ b/libavcodec/h264qpel.c
@@ -102,6 +102,8 @@ av_cold void ff_h264qpel_init(H264QpelContext *c, int bit_depth)
ff_h264qpel_init_arm(c, bit_depth);
#elif ARCH_PPC
ff_h264qpel_init_ppc(c, bit_depth);
+#elif ARCH_RISCV
+ ff_h264qpel_init_riscv(c, bit_depth);
#elif ARCH_X86
ff_h264qpel_init_x86(c, bit_depth);
#elif ARCH_MIPS
diff --git a/libavcodec/h264qpel.h b/libavcodec/h264qpel.h
index 0259e8de23..24baf826f9 100644
--- a/libavcodec/h264qpel.h
+++ b/libavcodec/h264qpel.h
@@ -34,6 +34,7 @@ void ff_h264qpel_init(H264QpelContext *c, int bit_depth);
void ff_h264qpel_init_aarch64(H264QpelContext *c, int bit_depth);
void ff_h264qpel_init_arm(H264QpelContext *c, int bit_depth);
void ff_h264qpel_init_ppc(H264QpelContext *c, int bit_depth);
+void ff_h264qpel_init_riscv(H264QpelContext *c, int bit_depth);
void ff_h264qpel_init_x86(H264QpelContext *c, int bit_depth);
void ff_h264qpel_init_mips(H264QpelContext *c, int bit_depth);
void ff_h264qpel_init_loongarch(H264QpelContext *c, int bit_depth);
diff --git a/libavcodec/riscv/Makefile b/libavcodec/riscv/Makefile
index 27befce929..1f1fa03329 100644
--- a/libavcodec/riscv/Makefile
+++ b/libavcodec/riscv/Makefile
@@ -33,6 +33,8 @@ RVV-OBJS-$(CONFIG_H264CHROMA) += riscv/h264_mc_chroma.o
OBJS-$(CONFIG_H264DSP) += riscv/h264dsp_init.o
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_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/h264qpel_init.c b/libavcodec/riscv/h264qpel_init.c
new file mode 100644
index 0000000000..ad407ebff6
--- /dev/null
+++ b/libavcodec/riscv/h264qpel_init.c
@@ -0,0 +1,113 @@
+/*
+ * RISC-V optimised DSP functions
+ * Copyright (c) 2024 Niklas Haas
+ *
+ * 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 <stdint.h>
+
+#include "config.h"
+#include "libavutil/attributes.h"
+#include "libavutil/riscv/cpu.h"
+#include "libavcodec/h264qpel.h"
+
+#define DECL_QPEL_OPS(OP, SIZE, EXT) \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc00_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc10_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc20_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc30_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc01_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc11_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc21_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc31_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc02_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc12_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc22_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc32_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc03_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc13_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc23_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride); \
+void ff_ ## OP ## _h264_qpel ## SIZE ## _mc33_ ## EXT(uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
+
+DECL_QPEL_OPS(put, 16, rvv256)
+DECL_QPEL_OPS(put, 8, rvv256)
+// DECL_QPEL_OPS(put, 4, rvv256)
+
+DECL_QPEL_OPS(avg, 16, rvv256)
+DECL_QPEL_OPS(avg, 8, rvv256)
+// DECL_QPEL_OPS(avg, 4, rvv256)
+
+DECL_QPEL_OPS(put, 16, rvv)
+DECL_QPEL_OPS(put, 8, rvv)
+DECL_QPEL_OPS(put, 4, rvv)
+
+DECL_QPEL_OPS(avg, 16, rvv)
+DECL_QPEL_OPS(avg, 8, rvv)
+DECL_QPEL_OPS(avg, 4, rvv)
+
+#define SET_QPEL_FNS(OP, IDX, SIZE, EXT) \
+do { \
+ c->OP ## _h264_qpel_pixels_tab[IDX][ 0] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc00_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][ 1] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc10_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][ 2] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc20_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][ 3] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc30_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][ 4] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc01_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][ 5] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc11_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][ 6] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc21_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][ 7] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc31_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][ 8] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc02_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][ 9] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc12_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][10] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc22_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][11] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc32_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][12] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc03_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][13] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc13_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][14] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc23_ ## EXT; \
+ c->OP ## _h264_qpel_pixels_tab[IDX][15] = ff_ ## OP ## _h264_qpel ## SIZE ## _mc33_ ## EXT; \
+} while (0)
+
+av_cold void ff_h264qpel_init_riscv(H264QpelContext *c, int bit_depth)
+{
+#if HAVE_RVV
+ int flags = av_get_cpu_flags();
+ if (flags & AV_CPU_FLAG_RVV_I32) {
+ const int vlen = 8 * ff_get_rv_vlenb();
+
+ switch (bit_depth) {
+ case 8:
+ if (vlen >= 256) {
+ SET_QPEL_FNS(put, 0, 16, rvv256);
+ SET_QPEL_FNS(put, 1, 8, rvv256);
+ SET_QPEL_FNS(put, 2, 4, rvv);
+
+ SET_QPEL_FNS(avg, 0, 16, rvv256);
+ SET_QPEL_FNS(avg, 1, 8, rvv256);
+ SET_QPEL_FNS(avg, 2, 4, rvv);
+ } else if (vlen >= 128) {
+ SET_QPEL_FNS(put, 0, 16, rvv);
+ SET_QPEL_FNS(put, 1, 8, rvv);
+ SET_QPEL_FNS(put, 2, 4, rvv);
+
+ SET_QPEL_FNS(avg, 0, 16, rvv);
+ SET_QPEL_FNS(avg, 1, 8, rvv);
+ SET_QPEL_FNS(avg, 2, 4, rvv);
+ }
+ break;
+ }
+ }
+#endif
+}
diff --git a/libavcodec/riscv/h264qpel_rvv.S b/libavcodec/riscv/h264qpel_rvv.S
new file mode 100644
index 0000000000..69c1840af2
--- /dev/null
+++ b/libavcodec/riscv/h264qpel_rvv.S
@@ -0,0 +1,464 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Niklas Haas
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "libavutil/riscv/asm.S"
+
+.macro lx rd, addr
+#if (__riscv_xlen == 32)
+ lw \rd, \addr
+#elif (__riscv_xlen == 64)
+ ld \rd, \addr
+#else
+ lq \rd, \addr
+#endif
+.endm
+
+.macro sx rd, addr
+#if (__riscv_xlen == 32)
+ sw \rd, \addr
+#elif (__riscv_xlen == 64)
+ sd \rd, \addr
+#else
+ sq \rd, \addr
+#endif
+.endm
+
+ /* output is unclipped; clobbers v26-v31 plus t0 and t02 */
+.macro lowpass_h vdst, src
+ addi t4, \src, 3
+ lbu t5, 2(\src)
+ vle8.v v31, (t4)
+ lbu t4, 1(\src)
+ vslide1up.vx v30, v31, t5
+ lbu t5, 0(\src)
+ vslide1up.vx v29, v30, t4
+ lbu t4, -1(\src)
+ vslide1up.vx v28, v29, t5
+ lbu t5, -2(\src)
+ vslide1up.vx v27, v28, t4
+ vslide1up.vx v26, v27, t5
+ vwaddu.vv \vdst, v26, v31
+ vwmaccu.vx \vdst, t6, v28
+ vwmaccu.vx \vdst, t6, v29
+ vwmaccsu.vx \vdst, a7, v27
+ vwmaccsu.vx \vdst, a7, v30
+.endm
+
+ /* output is unclipped */
+.macro lowpass_v vdst, vsrc0, vsrc1, vsrc2, vsrc3, vsrc4, vsrc5, signed=0
+ .if \signed
+ vwadd.vv \vdst, \vsrc0, \vsrc5
+ vwmacc.vx \vdst, t6, \vsrc2
+ vwmacc.vx \vdst, t6, \vsrc3
+ vwmacc.vx \vdst, a7, \vsrc1
+ vwmacc.vx \vdst, a7, \vsrc4
+ .else
+ vwaddu.vv \vdst, \vsrc0, \vsrc5
+ vwmaccu.vx \vdst, t6, \vsrc2
+ vwmaccu.vx \vdst, t6, \vsrc3
+ vwmaccsu.vx \vdst, a7, \vsrc1
+ vwmaccsu.vx \vdst, a7, \vsrc4
+ .endif
+.endm
+
+.macro qpel_mc00 op, dst, src, stride, size
+func ff_\op\()_h264_qpel_pixels, zve32x
+1: add t1, a2, a1
+ add t2, a2, t1
+ add t3, a2, t2
+ vle8.v v0, (a1)
+ vle8.v v1, (t1)
+ vle8.v v2, (t2)
+ vle8.v v3, (t3)
+ addi a4, a4, -4
+ add a1, a2, t3
+ add t1, a2, a0
+ add t2, a2, t1
+ add t3, a2, t2
+ .ifc \op, avg
+ vle8.v v4, (a0)
+ vle8.v v5, (t1)
+ vle8.v v6, (t2)
+ vle8.v v7, (t3)
+ vaaddu.vv v0, v0, v4
+ vaaddu.vv v1, v1, v5
+ vaaddu.vv v2, v2, v6
+ vaaddu.vv v3, v3, v7
+ .endif
+ vse8.v v0, (a0)
+ vse8.v v1, (t1)
+ vse8.v v2, (t2)
+ vse8.v v3, (t3)
+ add a0, a2, t3
+ bnez a4, 1b
+ jr t0
+endfunc
+.endm
+
+ qpel_mc00 put, a0, a1, a2, a4
+ qpel_mc00 avg, a0, a1, a2, a4
+
+.macro qpel_lowpass op, ext, lmul, lmul2
+func ff_\op\()_h264_qpel_h_lowpass_\lmul\ext, zve32x
+1: add t1, a3, a1
+ add t2, a3, t1
+ add t3, a3, t2
+ lowpass_h v0, a1
+ lowpass_h v2, t1
+ lowpass_h v4, t2
+ lowpass_h v6, t3
+ add a1, a3, t3
+ addi a4, a4, -4
+ vsetvli zero, zero, e16, \lmul2, ta, ma
+ vmax.vx v0, v0, zero
+ vmax.vx v2, v2, zero
+ vmax.vx v4, v4, zero
+ vmax.vx v6, v6, zero
+ vsetvli zero, zero, e8, \lmul, ta, ma
+ vnclipu.wi v0, v0, 5
+ vnclipu.wi v2, v2, 5
+ vnclipu.wi v4, v4, 5
+ vnclipu.wi v6, v6, 5
+ .ifc \ext, _l2
+ add t1, a6, a5
+ add t2, a6, t1
+ add t3, a6, t2
+ vle8.v v8, (a5)
+ vle8.v v10, (t1)
+ vle8.v v12, (t2)
+ vle8.v v14, (t3)
+ add a5, a2, t3
+ vaaddu.vv v0, v0, v8
+ vaaddu.vv v2, v2, v10
+ vaaddu.vv v4, v4, v12
+ vaaddu.vv v6, v6, v14
+ .endif
+ add t1, a2, a0
+ add t2, a2, t1
+ add t3, a2, t2
+ .ifc \op, avg
+ vle8.v v1, (a0)
+ vle8.v v3, (t1)
+ vle8.v v5, (t2)
+ vle8.v v7, (t3)
+ vaaddu.vv v0, v0, v1
+ vaaddu.vv v2, v2, v3
+ vaaddu.vv v4, v4, v5
+ vaaddu.vv v6, v6, v7
+ .endif
+ vse8.v v0, (a0)
+ vse8.v v2, (t1)
+ vse8.v v4, (t2)
+ vse8.v v6, (t3)
+ add a0, a2, t3
+ bnez a4, 1b
+ jr t0
+endfunc
+
+func ff_\op\()_h264_qpel_v_lowpass_\lmul\ext, zve32x
+ sub t1, a1, a3
+ sub t2, t1, a3
+ vle8.v v2, (a1)
+ vle8.v v1, (t1)
+ vle8.v v0, (t2)
+ add t1, a1, a3
+ add t2, t1, a3
+ add a1, t2, a3
+ vle8.v v3, (t1)
+ vle8.v v4, (t2)
+1: add t1, a3, a1
+ add t2, a3, t1
+ add t3, a3, t2
+ vle8.v v5, (a1)
+ vle8.v v6, (t1)
+ vle8.v v7, (t2)
+ vle8.v v8, (t3)
+ add a1, a3, t3
+ lowpass_v v24, v0, v1, v2, v3, v4, v5
+ lowpass_v v26, v1, v2, v3, v4, v5, v6
+ lowpass_v v28, v2, v3, v4, v5, v6, v7
+ lowpass_v v30, v3, v4, v5, v6, v7, v8
+ addi a4, a4, -4
+ vsetvli zero, zero, e16, \lmul2, ta, ma
+ vmax.vx v24, v24, zero
+ vmax.vx v26, v26, zero
+ vmax.vx v28, v28, zero
+ vmax.vx v30, v30, zero
+ vsetvli zero, zero, e8, \lmul, ta, ma
+ vnclipu.wi v24, v24, 5
+ vnclipu.wi v26, v26, 5
+ vnclipu.wi v28, v28, 5
+ vnclipu.wi v30, v30, 5
+ .ifc \ext, _l2
+ add t1, a6, a5
+ add t2, a6, t1
+ add t3, a6, t2
+ vle8.v v9, (a5)
+ vle8.v v10, (t1)
+ vle8.v v11, (t2)
+ vle8.v v12, (t3)
+ add a5, a6, t3
+ vaaddu.vv v24, v24, v9
+ vaaddu.vv v26, v26, v10
+ vaaddu.vv v28, v28, v11
+ vaaddu.vv v30, v30, v12
+ .endif
+ add t1, a2, a0
+ add t2, a2, t1
+ add t3, a2, t2
+ .ifc \op, avg
+ vle8.v v9, (a0)
+ vle8.v v10, (t1)
+ vle8.v v11, (t2)
+ vle8.v v12, (t3)
+ vaaddu.vv v24, v24, v9
+ vaaddu.vv v26, v26, v10
+ vaaddu.vv v28, v28, v11
+ vaaddu.vv v30, v30, v12
+ .endif
+ vse8.v v24, (a0)
+ vse8.v v26, (t1)
+ vse8.v v28, (t2)
+ vse8.v v30, (t3)
+ add a0, a2, t3
+ vmv.v.v v0, v4
+ vmv.v.v v1, v5
+ vmv.v.v v2, v6
+ vmv.v.v v3, v7
+ vmv.v.v v4, v8
+ bnez a4, 1b
+ jr t0
+endfunc
+
+func ff_\op\()_h264_qpel_hv_lowpass_\lmul\ext, zve32x
+ sub t1, a1, a3
+ sub t2, t1, a3
+ lowpass_h v4, a1
+ lowpass_h v2, t1
+ lowpass_h v0, t2
+ add t1, a1, a3
+ add t2, t1, a3
+ add a1, t2, a3
+ lowpass_h v6, t1
+ lowpass_h v8, t2
+1: add t1, a3, a1
+ add t2, a3, t1
+ add t3, a3, t2
+ lowpass_h v10, a1
+ lowpass_h v12, t1
+ lowpass_h v14, t2
+ lowpass_h v16, t3
+ vsetvli zero, zero, e16, \lmul2, ta, ma
+ addi a4, a4, -4
+ lowpass_v v20, v0, v2, v4, v6, v8, v10, signed=1
+ lowpass_v v24, v2, v4, v6, v8, v10, v12, signed=1
+ lowpass_v v28, v4, v6, v8, v10, v12, v14, signed=1
+ vnclip.wi v0, v20, 10
+ lowpass_v v20, v6, v8, v10, v12, v14, v16, signed=1
+ vnclip.wi v2, v24, 10
+ vnclip.wi v4, v28, 10
+ vnclip.wi v6, v20, 10
+ vmax.vx v18, v0, zero
+ vmax.vx v20, v2, zero
+ vmax.vx v22, v4, zero
+ vmax.vx v24, v6, zero
+ vmv.v.v v0, v8
+ vmv.v.v v2, v10
+ vmv.v.v v4, v12
+ vmv.v.v v6, v14
+ vmv.v.v v8, v16
+ add a1, a3, t3
+ vsetvli zero, zero, e8, \lmul, ta, ma
+ vnclipu.wi v18, v18, 0
+ vnclipu.wi v20, v20, 0
+ vnclipu.wi v22, v22, 0
+ vnclipu.wi v24, v24, 0
+ .ifc \ext, _l2
+ add t1, a6, a5
+ add t2, a6, t1
+ add t3, a6, t2
+ vle8.v v26, (a5)
+ vle8.v v27, (t1)
+ vle8.v v28, (t2)
+ vle8.v v29, (t3)
+ add a5, a6, t3
+ vaaddu.vv v18, v18, v26
+ vaaddu.vv v20, v20, v27
+ vaaddu.vv v22, v22, v28
+ vaaddu.vv v24, v24, v29
+ .endif
+ add t1, a2, a0
+ add t2, a2, t1
+ add t3, a2, t2
+ .ifc \op, avg
+ vle8.v v26, (a0)
+ vle8.v v27, (t1)
+ vle8.v v28, (t2)
+ vle8.v v29, (t3)
+ vaaddu.vv v18, v18, v26
+ vaaddu.vv v20, v20, v27
+ vaaddu.vv v22, v22, v28
+ vaaddu.vv v24, v24, v29
+ .endif
+ vse8.v v18, (a0)
+ vse8.v v20, (t1)
+ vse8.v v22, (t2)
+ vse8.v v24, (t3)
+ add a0, a2, t3
+ bnez a4, 1b
+ jr t0
+endfunc
+.endm
+
+/* Note: We could possibly specialize for the width 8 / width 4 cases by
+ loading 32 bit integers, but this makes the convolutions more complicated
+ to implement, so it's not necessarily any faster. */
+
+.macro h264_qpel lmul, lmul2
+ qpel_lowpass put, , \lmul, \lmul2
+ qpel_lowpass put, _l2, \lmul, \lmul2
+ qpel_lowpass avg, , \lmul, \lmul2
+ qpel_lowpass avg, _l2, \lmul, \lmul2
+.endm
+
+ h264_qpel m1, m2
+ h264_qpel mf2, m1
+ h264_qpel mf4, mf2
+ h264_qpel mf8, mf4
+
+.macro h264_qpel_1pass op, case, lmul, size, ext=rvv, dir, offset
+func ff_\op\()_h264_qpel\size\()_\case\()_\ext, zve32x
+ lpad 0
+ vsetivli zero, \size, e8, \lmul, ta, ma
+ csrwi vxrm, 0
+ li a4, \size
+ li t6, 20
+ li a7, -5
+ mv a3, a2
+ mv t0, ra
+.ifnb \offset
+ .ifc \dir, v
+ add a5, a1, \offset
+ .else
+ addi a5, a1, \offset
+ .endif
+ mv a6, a3
+ j ff_\op\()_h264_qpel_\dir\()_lowpass_\lmul\()_l2
+.else
+ j ff_\op\()_h264_qpel_\dir\()_lowpass_\lmul\()
+.endif
+endfunc
+.endm
+
+.macro h264_qpel_2pass op, case, lmul, size, ext=rvv, dir1, dir2, off1=0, off2
+func ff_\op\()_h264_qpel\size\()_\case\()_\ext, zve32x
+ lpad 0
+ vsetivli zero, \size, e8, \lmul, ta, ma
+ csrwi vxrm, 0
+ addi sp, sp, (-(__riscv_xlen >> 2))
+ li a4, \size
+ li t6, 20
+ li a7, -5
+ sx a0, 0(sp)
+ sx a1, (__riscv_xlen >> 3)(sp)
+ .ifc \off1, a2
+ add a1, a1, \off1
+ .elseif \off1
+ addi a1, a1, \off1
+ .endif
+ mv a3, a2
+ .ifc \op, avg
+ // Use temporary array on stack for the first pass
+ addi a0, sp, -(\size * \size)
+ li a2, \size
+ .endif
+ jal t0, ff_put_h264_qpel_\dir1\()_lowpass_\lmul
+ lx a0, 0(sp)
+ lx a1, (__riscv_xlen >> 3)(sp)
+ .ifc \op, put
+ // Directly reuse the first pass output buffer
+ mv a5, a0
+ mv a6, a2
+ .else
+ addi a5, sp, -(\size * \size)
+ li a6, \size
+ mv a2, a3
+ .endif
+ .ifnb \off2
+ addi a1, a1, \off2
+ .endif
+ li a4, \size
+ mv t0, ra
+ addi sp, sp, 16
+ j ff_\op\()_h264_qpel_\dir2\()_lowpass_\lmul\()_l2
+endfunc
+.endm
+
+.macro ff_h264_qpel_fns op, lmul, size, ext=rvv
+func ff_\op\()_h264_qpel\size\()_mc00_\ext, zve32x
+ lpad 0
+ vsetivli zero, \size, e8, \lmul, ta, ma
+ csrwi vxrm, 0
+ li a4, \size
+ mv t0, ra
+ j ff_\op\()_h264_qpel_pixels
+endfunc
+
+ h264_qpel_1pass \op, mc20, \lmul, \size, \ext, h
+ h264_qpel_1pass \op, mc02, \lmul, \size, \ext, v
+ h264_qpel_1pass \op, mc10, \lmul, \size, \ext, h, 0
+ h264_qpel_1pass \op, mc30, \lmul, \size, \ext, h, 1
+ h264_qpel_1pass \op, mc01, \lmul, \size, \ext, v, zero
+ h264_qpel_1pass \op, mc03, \lmul, \size, \ext, v, a2
+ h264_qpel_1pass \op, mc22, \lmul, \size, \ext, hv
+
+ h264_qpel_2pass \op, mc11, \lmul, \size, \ext, h, v
+ h264_qpel_2pass \op, mc21, \lmul, \size, \ext, h, hv
+ h264_qpel_2pass \op, mc12, \lmul, \size, \ext, v, hv
+ h264_qpel_2pass \op, mc31, \lmul, \size, \ext, h, v, off2=1
+ h264_qpel_2pass \op, mc13, \lmul, \size, \ext, h, v, a2
+ h264_qpel_2pass \op, mc33, \lmul, \size, \ext, h, v, a2, 1
+ h264_qpel_2pass \op, mc23, \lmul, \size, \ext, h, hv, a2
+ h264_qpel_2pass \op, mc32, \lmul, \size, \ext, v, hv, 1
+.endm
+
+ ff_h264_qpel_fns put, mf2, 16, rvv256
+ ff_h264_qpel_fns put, mf4, 8, rvv256
+ /* ff_h264_qpel_fns put, mf8, 4, rvv256 */
+
+ ff_h264_qpel_fns avg, mf2, 16, rvv256
+ ff_h264_qpel_fns avg, mf4, 8, rvv256
+ /* ff_h264_qpel_fns avg, mf8, 4, rvv256 */
+
+ ff_h264_qpel_fns put, m1, 16, rvv
+ ff_h264_qpel_fns put, mf2, 8, rvv
+ ff_h264_qpel_fns put, mf4, 4, rvv
+
+ ff_h264_qpel_fns avg, m1, 16, rvv
+ ff_h264_qpel_fns avg, mf2, 8, rvv
+ ff_h264_qpel_fns avg, mf4, 4, rvv
--
2.44.1
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