[FFmpeg-cvslog] lavc/flacdsp: fix CPU requirement for 32-bit LPC

Rémi Denis-Courmont git at videolan.org
Wed May 15 19:56:30 EEST 2024


ffmpeg | branch: master | Rémi Denis-Courmont <remi at remlab.net> | Mon May 13 18:51:38 2024 +0300| [a3e45063c0b132eff0122258bd12691357cff1c6] | committer: Rémi Denis-Courmont

lavc/flacdsp: fix CPU requirement for 32-bit LPC

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a3e45063c0b132eff0122258bd12691357cff1c6
---

 libavcodec/riscv/flacdsp_init.c | 4 +++-
 libavcodec/riscv/flacdsp_rvv.S  | 4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/libavcodec/riscv/flacdsp_init.c b/libavcodec/riscv/flacdsp_init.c
index 6cfb50ead8..66eb062620 100644
--- a/libavcodec/riscv/flacdsp_init.c
+++ b/libavcodec/riscv/flacdsp_init.c
@@ -69,9 +69,11 @@ av_cold void ff_flacdsp_init_riscv(FLACDSPContext *c, enum AVSampleFormat fmt,
     if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) {
         int vlenb = ff_get_rv_vlenb();
 
-        if (vlenb >= 16) {
+        if (vlenb >= 16)
             c->lpc16 = ff_flac_lpc16_rvv;
+
 # if (__riscv_xlen >= 64)
+        if (flags & AV_CPU_FLAG_RVV_I64) {
             if (vlenb > 16)
                 c->lpc32 = ff_flac_lpc32_rvv_simple;
             else
diff --git a/libavcodec/riscv/flacdsp_rvv.S b/libavcodec/riscv/flacdsp_rvv.S
index 2a0b50f7a9..25803f00f8 100644
--- a/libavcodec/riscv/flacdsp_rvv.S
+++ b/libavcodec/riscv/flacdsp_rvv.S
@@ -44,7 +44,7 @@ func ff_flac_lpc16_rvv, zve32x
 endfunc
 
 #if (__riscv_xlen == 64)
-func ff_flac_lpc32_rvv, zve32x
+func ff_flac_lpc32_rvv, zve64x
         addi    t2, a2, -16
         ble     t2, zero, ff_flac_lpc32_rvv_simple
         vsetivli zero, 1, e64, m1, ta, ma
@@ -75,7 +75,7 @@ func ff_flac_lpc32_rvv, zve32x
         ret
 endfunc
 
-func ff_flac_lpc32_rvv_simple, zve32x
+func ff_flac_lpc32_rvv_simple, zve64x
         vsetivli zero, 1, e64, m1, ta, ma
         vmv.s.x v0, zero
         vsetvli zero, a2, e32, m4, ta, ma



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