Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
 help / color / mirror / Atom feed
From: flow gg <hlefthleft@gmail.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 3/7] lavc/me_cmp: R-V V pix_abs_y2
Date: Tue, 6 Feb 2024 23:56:02 +0800
Message-ID: <CAEa-L+vq1ODGx+MAkBix02RdnvZo-aCoEv+ETVrO9mvfVMyDAw@mail.gmail.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 1 bytes --]



[-- Attachment #2: 0003-lavc-me_cmp-R-V-V-pix_abs_y2.patch --]
[-- Type: text/x-patch, Size: 3508 bytes --]

From 01cdfde56c4a88022f0ed8c12a2442e6bebb6a60 Mon Sep 17 00:00:00 2001
From: sunyuechi <sunyuechi@iscas.ac.cn>
Date: Tue, 6 Feb 2024 21:46:07 +0800
Subject: [PATCH 3/7] lavc/me_cmp: R-V V pix_abs_y2

C908:
pix_abs_0_2_c: 904.0
pix_abs_0_2_rvv_i32: 172.2
pix_abs_1_2_c: 460.0
pix_abs_1_2_rvv_i32: 168.2
---
 libavcodec/riscv/me_cmp_init.c |  6 ++++
 libavcodec/riscv/me_cmp_rvv.S  | 50 ++++++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)

diff --git a/libavcodec/riscv/me_cmp_init.c b/libavcodec/riscv/me_cmp_init.c
index e46fb09c11..72c3248b01 100644
--- a/libavcodec/riscv/me_cmp_init.c
+++ b/libavcodec/riscv/me_cmp_init.c
@@ -34,6 +34,10 @@ int ff_pix_abs16_x2_rvv(MpegEncContext *v, const uint8_t *pix1, const uint8_t *p
                          ptrdiff_t stride, int h);
 int ff_pix_abs8_x2_rvv(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
                          ptrdiff_t stride, int h);
+int ff_pix_abs16_y2_rvv(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
+                          ptrdiff_t stride, int h);
+int ff_pix_abs8_y2_rvv(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
+                          ptrdiff_t stride, int h);
 
 av_cold void ff_me_cmp_init_riscv(MECmpContext *c, AVCodecContext *avctx)
 {
@@ -47,6 +51,8 @@ av_cold void ff_me_cmp_init_riscv(MECmpContext *c, AVCodecContext *avctx)
         c->sad[1] = ff_pix_abs8_rvv;
         c->pix_abs[0][1] = ff_pix_abs16_x2_rvv;
         c->pix_abs[1][1] = ff_pix_abs8_x2_rvv;
+        c->pix_abs[0][2] = ff_pix_abs16_y2_rvv;
+        c->pix_abs[1][2] = ff_pix_abs8_y2_rvv;
     }
 #endif
 }
diff --git a/libavcodec/riscv/me_cmp_rvv.S b/libavcodec/riscv/me_cmp_rvv.S
index cc60219466..308d707136 100644
--- a/libavcodec/riscv/me_cmp_rvv.S
+++ b/libavcodec/riscv/me_cmp_rvv.S
@@ -115,3 +115,53 @@ func ff_pix_abs8_x2_rvv, zve32x
 
         pix_abs_ret
 endfunc
+
+func ff_pix_abs16_y2_rvv, zve32x
+        csrwi           vxrm, 0
+        vsetivli        zero, 1, e32, m1, ta, ma
+        add             t1, a2, a3
+        vmv.s.x         v0, zero
+1:
+        vsetivli        zero, 16, e8, m1, tu, ma
+        vle8.v          v12, (a2)
+        vle8.v          v24, (t1)
+        addi            a4, a4, -1
+        vle8.v          v4, (a1)
+        vaaddu.vv       v12, v12, v24
+        vwsubu.vv       v16, v4, v12
+        vwsubu.vv       v20, v12, v4
+        add             a1, a1, a3
+        vsetvli         zero, zero, e16, m2, tu, ma
+        add             a2, a2, a3
+        vmax.vv         v16, v16, v20
+        add             t1, t1, a3
+        vwredsum.vs     v0, v16, v0
+        bnez            a4, 1b
+
+        pix_abs_ret
+endfunc
+
+func ff_pix_abs8_y2_rvv, zve32x
+        csrwi           vxrm, 0
+        vsetivli        zero, 1, e32, m1, ta, ma
+        add             t1, a2, a3
+        vmv.s.x         v0, zero
+1:
+        vsetivli        zero, 8, e8, mf2, tu, ma
+        vle8.v          v12, (a2)
+        vle8.v          v24, (t1)
+        addi            a4, a4, -1
+        vle8.v          v4, (a1)
+        vaaddu.vv       v12, v12, v24
+        vwsubu.vv       v16, v4, v12
+        vwsubu.vv       v20, v12, v4
+        add             a1, a1, a3
+        vsetvli         zero, zero, e16, m1, tu, ma
+        add             a2, a2, a3
+        vmax.vv         v16, v16, v20
+        add             t1, t1, a3
+        vwredsum.vs     v0, v16, v0
+        bnez            a4, 1b
+
+        pix_abs_ret
+endfunc
-- 
2.43.0


[-- Attachment #3: Type: text/plain, Size: 251 bytes --]

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".

                 reply	other threads:[~2024-02-06 15:56 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CAEa-L+vq1ODGx+MAkBix02RdnvZo-aCoEv+ETVrO9mvfVMyDAw@mail.gmail.com \
    --to=hlefthleft@gmail.com \
    --cc=ffmpeg-devel@ffmpeg.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
		ffmpegdev@gitmailbox.com
	public-inbox-index ffmpegdev

Example config snippet for mirrors.


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git