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From: Ramiro Polla <ramiro.polla@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 2/2] avcodec/mpegvideoencdsp: add aarch64 pix_sum and pix_norm1
Date: Fri,  9 Aug 2024 13:27:27 +0200
Message-ID: <20240809112727.107159-2-ramiro.polla@gmail.com> (raw)
In-Reply-To: <20240809112727.107159-1-ramiro.polla@gmail.com>

checkasm --bench for Raspberry Pi 5 Model B Rev 1.0:
pix_norm1_c: 235.7
pix_norm1_neon: 40.7
pix_sum_c: 249.0
pix_sum_neon: 22.0
---
 libavcodec/aarch64/Makefile               |   2 +
 libavcodec/aarch64/mpegvideoencdsp_init.c |  39 +++++++++
 libavcodec/aarch64/mpegvideoencdsp_neon.S | 102 ++++++++++++++++++++++
 libavcodec/mpegvideoencdsp.c              |   4 +-
 libavcodec/mpegvideoencdsp.h              |   2 +
 5 files changed, 148 insertions(+), 1 deletion(-)
 create mode 100644 libavcodec/aarch64/mpegvideoencdsp_init.c
 create mode 100644 libavcodec/aarch64/mpegvideoencdsp_neon.S

diff --git a/libavcodec/aarch64/Makefile b/libavcodec/aarch64/Makefile
index a3256bb1cc..de0653ebbc 100644
--- a/libavcodec/aarch64/Makefile
+++ b/libavcodec/aarch64/Makefile
@@ -10,6 +10,7 @@ OBJS-$(CONFIG_HPELDSP)                  += aarch64/hpeldsp_init_aarch64.o
 OBJS-$(CONFIG_IDCTDSP)                  += aarch64/idctdsp_init_aarch64.o
 OBJS-$(CONFIG_ME_CMP)                   += aarch64/me_cmp_init_aarch64.o
 OBJS-$(CONFIG_MPEGAUDIODSP)             += aarch64/mpegaudiodsp_init.o
+OBJS-$(CONFIG_MPEGVIDEOENC)             += aarch64/mpegvideoencdsp_init.o
 OBJS-$(CONFIG_NEON_CLOBBER_TEST)        += aarch64/neontest.o
 OBJS-$(CONFIG_PIXBLOCKDSP)              += aarch64/pixblockdsp_init_aarch64.o
 OBJS-$(CONFIG_VIDEODSP)                 += aarch64/videodsp_init.o
@@ -51,6 +52,7 @@ NEON-OBJS-$(CONFIG_IDCTDSP)             += aarch64/idctdsp_neon.o              \
                                            aarch64/simple_idct_neon.o
 NEON-OBJS-$(CONFIG_ME_CMP)              += aarch64/me_cmp_neon.o
 NEON-OBJS-$(CONFIG_MPEGAUDIODSP)        += aarch64/mpegaudiodsp_neon.o
+NEON-OBJS-$(CONFIG_MPEGVIDEOENC)        += aarch64/mpegvideoencdsp_neon.o
 NEON-OBJS-$(CONFIG_PIXBLOCKDSP)         += aarch64/pixblockdsp_neon.o
 NEON-OBJS-$(CONFIG_VC1DSP)              += aarch64/vc1dsp_neon.o
 NEON-OBJS-$(CONFIG_VP8DSP)              += aarch64/vp8dsp_neon.o
diff --git a/libavcodec/aarch64/mpegvideoencdsp_init.c b/libavcodec/aarch64/mpegvideoencdsp_init.c
new file mode 100644
index 0000000000..c014fac727
--- /dev/null
+++ b/libavcodec/aarch64/mpegvideoencdsp_init.c
@@ -0,0 +1,39 @@
+/*
+ * 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 <stddef.h>
+#include <stdint.h>
+
+#include "libavutil/attributes.h"
+#include "libavutil/aarch64/cpu.h"
+#include "libavcodec/mpegvideoencdsp.h"
+#include "config.h"
+
+int ff_pix_sum_neon(const uint8_t *pix, int line_size);
+int ff_pix_norm1_neon(const uint8_t *pix, int line_size);
+
+av_cold void ff_mpegvideoencdsp_init_aarch64(MpegvideoEncDSPContext *c,
+                                             AVCodecContext *avctx)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (have_neon(cpu_flags)) {
+        c->pix_sum   = ff_pix_sum_neon;
+        c->pix_norm1 = ff_pix_norm1_neon;
+    }
+}
diff --git a/libavcodec/aarch64/mpegvideoencdsp_neon.S b/libavcodec/aarch64/mpegvideoencdsp_neon.S
new file mode 100644
index 0000000000..eb45afe005
--- /dev/null
+++ b/libavcodec/aarch64/mpegvideoencdsp_neon.S
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2024 Ramiro Polla
+ *
+ * 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/aarch64/asm.S"
+
+.macro sum_line add_insn, postinc
+.ifb \postinc
+        ld1             { v1.16b }, [x0]
+.else
+        ld1             { v1.16b }, [x0], \postinc
+.endif
+        \add_insn       v0.8h, v1.16b
+.endm
+
+function ff_pix_sum_neon, export=1
+// x0  const uint8_t *pix
+// x1  int line_size
+
+        uxtw            x1, w1
+
+        sum_line        uaddlp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp, x1
+        sum_line        uadalp
+
+        uaddlp          v0.4s, v0.8h
+        uaddlv          d0, v0.4s
+        fmov            w0, s0
+
+        ret
+endfunc
+
+.macro norm1_line add_insn, postinc
+.ifb \postinc
+        ld1             { v2.16b }, [x0]
+.else
+        ld1             { v2.16b }, [x0], \postinc
+.endif
+        umull           v0.8h, v2.8b,  v2.8b
+        umull2          v1.8h, v2.16b, v2.16b
+        \add_insn       v3.4s, v0.8h
+        \add_insn       v4.4s, v1.8h
+.endm
+
+function ff_pix_norm1_neon, export=1
+// x0  const uint8_t *pix
+// x1  int line_size
+
+        uxtw            x1, w1
+
+        norm1_line      uaddlp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp, x1
+        norm1_line      uadalp
+
+        add             v0.4s, v3.4s, v4.4s
+        uaddlv          d0, v0.4s
+        fmov            w0, s0
+
+        ret
+endfunc
diff --git a/libavcodec/mpegvideoencdsp.c b/libavcodec/mpegvideoencdsp.c
index 997d048663..a96f0b6436 100644
--- a/libavcodec/mpegvideoencdsp.c
+++ b/libavcodec/mpegvideoencdsp.c
@@ -245,7 +245,9 @@ av_cold void ff_mpegvideoencdsp_init(MpegvideoEncDSPContext *c,
 
     c->draw_edges = draw_edges_8_c;
 
-#if ARCH_ARM
+#if ARCH_AARCH64
+    ff_mpegvideoencdsp_init_aarch64(c, avctx);
+#elif ARCH_ARM
     ff_mpegvideoencdsp_init_arm(c, avctx);
 #elif ARCH_PPC
     ff_mpegvideoencdsp_init_ppc(c, avctx);
diff --git a/libavcodec/mpegvideoencdsp.h b/libavcodec/mpegvideoencdsp.h
index 95084679d9..63dbd39603 100644
--- a/libavcodec/mpegvideoencdsp.h
+++ b/libavcodec/mpegvideoencdsp.h
@@ -46,6 +46,8 @@ typedef struct MpegvideoEncDSPContext {
 
 void ff_mpegvideoencdsp_init(MpegvideoEncDSPContext *c,
                              AVCodecContext *avctx);
+void ff_mpegvideoencdsp_init_aarch64(MpegvideoEncDSPContext *c,
+                                     AVCodecContext *avctx);
 void ff_mpegvideoencdsp_init_arm(MpegvideoEncDSPContext *c,
                                  AVCodecContext *avctx);
 void ff_mpegvideoencdsp_init_ppc(MpegvideoEncDSPContext *c,
-- 
2.30.2

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  reply	other threads:[~2024-08-09 11:27 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-09 11:27 [FFmpeg-devel] [PATCH 1/2] checkasm/mpegvideoencdsp: add " Ramiro Polla
2024-08-09 11:27 ` Ramiro Polla [this message]
2024-08-13  7:45   ` [FFmpeg-devel] [PATCH 2/2] avcodec/mpegvideoencdsp: add aarch64 " Rémi Denis-Courmont
2024-08-13  7:46     ` Rémi Denis-Courmont
2024-08-15 14:58       ` Ramiro Polla

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