ffmpeg | branch: master | sunyuechi <sunyue...@iscas.ac.cn> | Mon Dec 18 22:52:20 2023 +0800| [c933ff2779d602cbf6d4b10a9e285007ad457120] | committer: Rémi Denis-Courmont
lavc/takdsp: R-V V decorrelate_sr C908: decorrelate_sr_c: 95.5 decorrelate_sr_rvv_i32: 28.2 Signed-off-by: Rémi Denis-Courmont <r...@remlab.net> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c933ff2779d602cbf6d4b10a9e285007ad457120 --- libavcodec/riscv/takdsp_init.c | 2 ++ libavcodec/riscv/takdsp_rvv.S | 14 ++++++++++++++ 2 files changed, 16 insertions(+) diff --git a/libavcodec/riscv/takdsp_init.c b/libavcodec/riscv/takdsp_init.c index fcf0c5f37b..0b4ec18086 100644 --- a/libavcodec/riscv/takdsp_init.c +++ b/libavcodec/riscv/takdsp_init.c @@ -26,6 +26,7 @@ #include "libavcodec/takdsp.h" void ff_decorrelate_ls_rvv(int32_t *p1, int32_t *p2, int length); +void ff_decorrelate_sr_rvv(int32_t *p1, int32_t *p2, int length); av_cold void ff_takdsp_init_riscv(TAKDSPContext *dsp) { @@ -34,6 +35,7 @@ av_cold void ff_takdsp_init_riscv(TAKDSPContext *dsp) if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) { dsp->decorrelate_ls = ff_decorrelate_ls_rvv; + dsp->decorrelate_sr = ff_decorrelate_sr_rvv; } #endif } diff --git a/libavcodec/riscv/takdsp_rvv.S b/libavcodec/riscv/takdsp_rvv.S index c662049f3d..65672cdfb8 100644 --- a/libavcodec/riscv/takdsp_rvv.S +++ b/libavcodec/riscv/takdsp_rvv.S @@ -33,3 +33,17 @@ func ff_decorrelate_ls_rvv, zve32x bnez a2, 1b ret endfunc + +func ff_decorrelate_sr_rvv, zve32x +1: + vsetvli t0, a2, e32, m8, ta, ma + vle32.v v0, (a0) + sub a2, a2, t0 + vle32.v v8, (a1) + sh2add a1, t0, a1 + vsub.vv v16, v8, v0 + vse32.v v16, (a0) + sh2add a0, t0, a0 + bnez a2, 1b + ret +endfunc _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
