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| author | sunyuechi <sunyuechi@iscas.ac.cn> | 2024-02-06 21:41:35 +0800 |
|---|---|---|
| committer | Rémi Denis-Courmont <remi@remlab.net> | 2024-02-21 20:08:25 +0200 |
| commit | f1ec475f6685ba07c3660d197213cb360462396e (patch) | |
| tree | 0d14f0bf155da9390b6bb4465cfa385c01ae8440 /libavcodec/riscv | |
| parent | b41e115ddec4f2566246919a42990f529766f436 (diff) | |
| download | ffmpeg-f1ec475f6685ba07c3660d197213cb360462396e.tar.gz | |
lavc/me_cmp: R-V V pix_abs_x2
C908:
pix_abs_0_1_c: 767.0
pix_abs_0_1_rvv_i32: 196.2
pix_abs_1_1_c: 388.0
pix_abs_1_1_rvv_i32: 185.2
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
Diffstat (limited to 'libavcodec/riscv')
| -rw-r--r-- | libavcodec/riscv/me_cmp_init.c | 6 | ||||
| -rw-r--r-- | libavcodec/riscv/me_cmp_rvv.S | 50 |
2 files changed, 56 insertions, 0 deletions
diff --git a/libavcodec/riscv/me_cmp_init.c b/libavcodec/riscv/me_cmp_init.c index 9228f74cfd..e46fb09c11 100644 --- a/libavcodec/riscv/me_cmp_init.c +++ b/libavcodec/riscv/me_cmp_init.c @@ -30,6 +30,10 @@ int ff_pix_abs16_rvv(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2 ptrdiff_t stride, int h); int ff_pix_abs8_rvv(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h); +int ff_pix_abs16_x2_rvv(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, + 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); av_cold void ff_me_cmp_init_riscv(MECmpContext *c, AVCodecContext *avctx) { @@ -41,6 +45,8 @@ av_cold void ff_me_cmp_init_riscv(MECmpContext *c, AVCodecContext *avctx) c->sad[0] = ff_pix_abs16_rvv; c->pix_abs[1][0] = ff_pix_abs8_rvv; 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; } #endif } diff --git a/libavcodec/riscv/me_cmp_rvv.S b/libavcodec/riscv/me_cmp_rvv.S index 8dadf39bc7..cc60219466 100644 --- a/libavcodec/riscv/me_cmp_rvv.S +++ b/libavcodec/riscv/me_cmp_rvv.S @@ -65,3 +65,53 @@ func ff_pix_abs8_rvv, zve32x pix_abs_ret endfunc + +func ff_pix_abs16_x2_rvv, zve32x + csrwi vxrm, 0 + vsetivli zero, 1, e32, m1, ta, ma + li t5, 1 + vmv.s.x v0, zero +1: + vsetivli zero, 17, e8, m2, tu, ma + vle8.v v12, (a2) + addi a4, a4, -1 + vslide1down.vx v24, v12, t5 + vsetivli zero, 16, e8, m1, tu, ma + vle8.v v4, (a1) + vaaddu.vv v12, v12, v24 + vwsubu.vv v16, v4, v12 + add a1, a1, a3 + vwsubu.vv v20, v12, v4 + vsetvli zero, zero, e16, m2, tu, ma + vmax.vv v16, v16, v20 + add a2, a2, a3 + vwredsum.vs v0, v16, v0 + bnez a4, 1b + + pix_abs_ret +endfunc + +func ff_pix_abs8_x2_rvv, zve32x + csrwi vxrm, 0 + vsetivli zero, 1, e32, m1, ta, ma + li t5, 1 + vmv.s.x v0, zero +1: + vsetivli zero, 9, e8, m1, tu, ma + vle8.v v12, (a2) + addi a4, a4, -1 + vslide1down.vx v24, v12, t5 + vsetivli zero, 8, e8, mf2, tu, ma + vle8.v v4, (a1) + vaaddu.vv v12, v12, v24 + vwsubu.vv v16, v4, v12 + add a1, a1, a3 + vwsubu.vv v20, v12, v4 + vsetvli zero, zero, e16, m1, tu, ma + vmax.vv v16, v16, v20 + add a2, a2, a3 + vwredsum.vs v0, v16, v0 + bnez a4, 1b + + pix_abs_ret +endfunc |