[FFmpeg-cvslog] lavc/h264dsp: do not write back unmodified rows in R-V V loop filter

[Rémi Denis-Courmont]

ffmpeg | branch: master | Rémi Denis-Courmont <remi at remlab.net> | Wed Aug 21 22:55:07 2024 +0300| [3a5365683799ded2df974671928b545a153650ca] | committer: Rémi Denis-Courmont

lavc/h264dsp: do not write back unmodified rows in R-V V loop filter

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3a5365683799ded2df974671928b545a153650ca
---

 libavcodec/riscv/h264dsp_rvv.S | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libavcodec/riscv/h264dsp_rvv.S b/libavcodec/riscv/h264dsp_rvv.S
index 0d641008cb..2149c4217f 100644
--- a/libavcodec/riscv/h264dsp_rvv.S
+++ b/libavcodec/riscv/h264dsp_rvv.S
@@ -301,8 +301,9 @@ func ff_h264_h_loop_filter_luma_8_rvv, zve32x
         vmul.vx     v6, v6, t0
         vsetivli    zero, 16, e8, m1, ta, ma
         vlsseg6e8.v v8, (a0), a1
+        addi        a0, a0, 1
         jal         t0, ff_h264_loop_filter_luma_8_rvv
-        vssseg6e8.v v8, (a0), a1
+        vssseg4e8.v v9, (a0), a1
         ret
 endfunc
 
@@ -316,7 +317,8 @@ func ff_h264_h_loop_filter_luma_mbaff_8_rvv, zve32x
         vmul.vx     v6, v6, t0    # tc_orig
         vsetivli    zero, 8, e8, m1, ta, ma
         vlsseg6e8.v v8, (a0), a1
+        addi        a0, a0, 1
         jal         t0, ff_h264_loop_filter_luma_8_rvv
-        vssseg6e8.v v8, (a0), a1
+        vssseg4e8.v v9, (a0), a1
         ret
 endfunc