avcodec: [loongarch] Optimize Hevcdsp with LSX.

ffmpeg -i 5_h265_1080p_60fps_3Mbps.mkv -f rawvideo -y /dev/null -an
before:  94fps
after : 110fps

Signed-off-by: Hao Chen <chenhao@loongson.cn>
Reviewed-by: 殷时友 <yinshiyou-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/hevcdsp.c

@@ -267,4 +267,6 @@ int i = 0;
         ff_hevc_dsp_init_x86(hevcdsp, bit_depth);
     if (ARCH_MIPS)
         ff_hevc_dsp_init_mips(hevcdsp, bit_depth);
+    if (ARCH_LOONGARCH)
+        ff_hevc_dsp_init_loongarch(hevcdsp, bit_depth);
 }

libavcodec/hevcdsp.h

@@ -134,5 +134,6 @@ 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_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);
 
 #endif /* AVCODEC_HEVCDSP_H */

libavcodec/loongarch/Makefile

@@ -8,6 +8,7 @@ OBJS-$(CONFIG_VC1DSP)                 += loongarch/vc1dsp_init_loongarch.o
 OBJS-$(CONFIG_HPELDSP)                += loongarch/hpeldsp_init_loongarch.o
 OBJS-$(CONFIG_IDCTDSP)                += loongarch/idctdsp_init_loongarch.o
 OBJS-$(CONFIG_VIDEODSP)               += loongarch/videodsp_init.o
+OBJS-$(CONFIG_HEVC_DECODER)           += loongarch/hevcdsp_init_loongarch.o
 LASX-OBJS-$(CONFIG_H264CHROMA)        += loongarch/h264chroma_lasx.o
 LASX-OBJS-$(CONFIG_H264QPEL)          += loongarch/h264qpel_lasx.o
 LASX-OBJS-$(CONFIG_H264DSP)           += loongarch/h264dsp_lasx.o \
@@ -24,3 +25,4 @@ LSX-OBJS-$(CONFIG_VP9_DECODER)        += loongarch/vp9_mc_lsx.o \
                                          loongarch/vp9_intra_lsx.o \
                                          loongarch/vp9_lpf_lsx.o \
                                          loongarch/vp9_idct_lsx.o
+LSX-OBJS-$(CONFIG_HEVC_DECODER)       += loongarch/hevcdsp_lsx.o \

libavcodec/loongarch/hevcdsp_init_loongarch.c

@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2022 Loongson Technology Corporation Limited
+ * Contributed by Lu Wang <wanglu@loongson.cn>
+ *                Hao Chen <chenhao@loongson.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/loongarch/cpu.h"
+#include "hevcdsp_lsx.h"
+
+void ff_hevc_dsp_init_loongarch(HEVCDSPContext *c, const int bit_depth)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (have_lsx(cpu_flags)) {
+        if (bit_depth == 8) {
+            c->put_hevc_qpel[1][0][0] = ff_hevc_put_hevc_pel_pixels4_8_lsx;
+            c->put_hevc_qpel[2][0][0] = ff_hevc_put_hevc_pel_pixels6_8_lsx;
+            c->put_hevc_qpel[3][0][0] = ff_hevc_put_hevc_pel_pixels8_8_lsx;
+            c->put_hevc_qpel[4][0][0] = ff_hevc_put_hevc_pel_pixels12_8_lsx;
+            c->put_hevc_qpel[5][0][0] = ff_hevc_put_hevc_pel_pixels16_8_lsx;
+            c->put_hevc_qpel[6][0][0] = ff_hevc_put_hevc_pel_pixels24_8_lsx;
+            c->put_hevc_qpel[7][0][0] = ff_hevc_put_hevc_pel_pixels32_8_lsx;
+            c->put_hevc_qpel[8][0][0] = ff_hevc_put_hevc_pel_pixels48_8_lsx;
+            c->put_hevc_qpel[9][0][0] = ff_hevc_put_hevc_pel_pixels64_8_lsx;
+
+            c->put_hevc_epel[1][0][0] = ff_hevc_put_hevc_pel_pixels4_8_lsx;
+            c->put_hevc_epel[2][0][0] = ff_hevc_put_hevc_pel_pixels6_8_lsx;
+            c->put_hevc_epel[3][0][0] = ff_hevc_put_hevc_pel_pixels8_8_lsx;
+            c->put_hevc_epel[4][0][0] = ff_hevc_put_hevc_pel_pixels12_8_lsx;
+            c->put_hevc_epel[5][0][0] = ff_hevc_put_hevc_pel_pixels16_8_lsx;
+            c->put_hevc_epel[6][0][0] = ff_hevc_put_hevc_pel_pixels24_8_lsx;
+            c->put_hevc_epel[7][0][0] = ff_hevc_put_hevc_pel_pixels32_8_lsx;
+
+            c->put_hevc_qpel[1][0][1] = ff_hevc_put_hevc_qpel_h4_8_lsx;
+            c->put_hevc_qpel[3][0][1] = ff_hevc_put_hevc_qpel_h8_8_lsx;
+            c->put_hevc_qpel[4][0][1] = ff_hevc_put_hevc_qpel_h12_8_lsx;
+            c->put_hevc_qpel[5][0][1] = ff_hevc_put_hevc_qpel_h16_8_lsx;
+            c->put_hevc_qpel[6][0][1] = ff_hevc_put_hevc_qpel_h24_8_lsx;
+            c->put_hevc_qpel[7][0][1] = ff_hevc_put_hevc_qpel_h32_8_lsx;
+            c->put_hevc_qpel[8][0][1] = ff_hevc_put_hevc_qpel_h48_8_lsx;
+            c->put_hevc_qpel[9][0][1] = ff_hevc_put_hevc_qpel_h64_8_lsx;
+
+            c->put_hevc_qpel[1][1][0] = ff_hevc_put_hevc_qpel_v4_8_lsx;
+            c->put_hevc_qpel[3][1][0] = ff_hevc_put_hevc_qpel_v8_8_lsx;
+            c->put_hevc_qpel[4][1][0] = ff_hevc_put_hevc_qpel_v12_8_lsx;
+            c->put_hevc_qpel[5][1][0] = ff_hevc_put_hevc_qpel_v16_8_lsx;
+            c->put_hevc_qpel[6][1][0] = ff_hevc_put_hevc_qpel_v24_8_lsx;
+            c->put_hevc_qpel[7][1][0] = ff_hevc_put_hevc_qpel_v32_8_lsx;
+            c->put_hevc_qpel[8][1][0] = ff_hevc_put_hevc_qpel_v48_8_lsx;
+            c->put_hevc_qpel[9][1][0] = ff_hevc_put_hevc_qpel_v64_8_lsx;
+
+            c->put_hevc_qpel[1][1][1] = ff_hevc_put_hevc_qpel_hv4_8_lsx;
+            c->put_hevc_qpel[3][1][1] = ff_hevc_put_hevc_qpel_hv8_8_lsx;
+            c->put_hevc_qpel[4][1][1] = ff_hevc_put_hevc_qpel_hv12_8_lsx;
+            c->put_hevc_qpel[5][1][1] = ff_hevc_put_hevc_qpel_hv16_8_lsx;
+            c->put_hevc_qpel[6][1][1] = ff_hevc_put_hevc_qpel_hv24_8_lsx;
+            c->put_hevc_qpel[7][1][1] = ff_hevc_put_hevc_qpel_hv32_8_lsx;
+            c->put_hevc_qpel[8][1][1] = ff_hevc_put_hevc_qpel_hv48_8_lsx;
+            c->put_hevc_qpel[9][1][1] = ff_hevc_put_hevc_qpel_hv64_8_lsx;
+
+            c->put_hevc_epel[7][0][1] = ff_hevc_put_hevc_epel_h32_8_lsx;
+
+            c->put_hevc_epel[5][1][0] = ff_hevc_put_hevc_epel_v16_8_lsx;
+            c->put_hevc_epel[6][1][0] = ff_hevc_put_hevc_epel_v24_8_lsx;
+            c->put_hevc_epel[7][1][0] = ff_hevc_put_hevc_epel_v32_8_lsx;
+
+            c->put_hevc_epel[3][1][1] = ff_hevc_put_hevc_epel_hv8_8_lsx;
+            c->put_hevc_epel[4][1][1] = ff_hevc_put_hevc_epel_hv12_8_lsx;
+            c->put_hevc_epel[5][1][1] = ff_hevc_put_hevc_epel_hv16_8_lsx;
+            c->put_hevc_epel[6][1][1] = ff_hevc_put_hevc_epel_hv24_8_lsx;
+            c->put_hevc_epel[7][1][1] = ff_hevc_put_hevc_epel_hv32_8_lsx;
+        }
+    }
+}

libavcodec/loongarch/hevcdsp_lsx.h

@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2022 Loongson Technology Corporation Limited
+ * Contributed by Lu Wang <wanglu@loongson.cn>
+ *                Hao Chen <chenhao@loongson.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
+ */
+
+#ifndef AVCODEC_LOONGARCH_HEVCDSP_LSX_H
+#define AVCODEC_LOONGARCH_HEVCDSP_LSX_H
+
+#include "libavcodec/hevcdsp.h"
+
+#define MC(PEL, DIR, WIDTH)                                               \
+void ff_hevc_put_hevc_##PEL##_##DIR##WIDTH##_8_lsx(int16_t *dst,          \
+                                                   uint8_t *src,          \
+                                                   ptrdiff_t src_stride,  \
+                                                   int height,            \
+                                                   intptr_t mx,           \
+                                                   intptr_t my,           \
+                                                   int width)
+
+MC(pel, pixels, 4);
+MC(pel, pixels, 6);
+MC(pel, pixels, 8);
+MC(pel, pixels, 12);
+MC(pel, pixels, 16);
+MC(pel, pixels, 24);
+MC(pel, pixels, 32);
+MC(pel, pixels, 48);
+MC(pel, pixels, 64);
+
+MC(qpel, h, 4);
+MC(qpel, h, 8);
+MC(qpel, h, 12);
+MC(qpel, h, 16);
+MC(qpel, h, 24);
+MC(qpel, h, 32);
+MC(qpel, h, 48);
+MC(qpel, h, 64);
+
+MC(qpel, v, 4);
+MC(qpel, v, 8);
+MC(qpel, v, 12);
+MC(qpel, v, 16);
+MC(qpel, v, 24);
+MC(qpel, v, 32);
+MC(qpel, v, 48);
+MC(qpel, v, 64);
+
+MC(qpel, hv, 4);
+MC(qpel, hv, 8);
+MC(qpel, hv, 12);
+MC(qpel, hv, 16);
+MC(qpel, hv, 24);
+MC(qpel, hv, 32);
+MC(qpel, hv, 48);
+MC(qpel, hv, 64);
+
+MC(epel, h, 32);
+
+MC(epel, v, 16);
+MC(epel, v, 24);
+MC(epel, v, 32);
+
+MC(epel, hv, 8);
+MC(epel, hv, 12);
+MC(epel, hv, 16);
+MC(epel, hv, 24);
+MC(epel, hv, 32);
+
+#undef MC
+
+#endif  // #ifndef AVCODEC_LOONGARCH_HEVCDSP_LSX_H