From e2f069905e7664e37e0ad54ddd3ffbfcdbb268c0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= Date: Thu, 6 Jun 2024 18:12:50 +0300 Subject: [PATCH] sws/input: R-V V 32-bit RGB to UV --- libswscale/riscv/input_rvv.S | 52 ++++++++++++++++++++++++++++++++++++ libswscale/riscv/swscale.c | 8 ++++++ 2 files changed, 60 insertions(+) diff --git a/libswscale/riscv/input_rvv.S b/libswscale/riscv/input_rvv.S index 8dfd012a9d..2d00a5a225 100644 --- a/libswscale/riscv/input_rvv.S +++ b/libswscale/riscv/input_rvv.S @@ -190,6 +190,58 @@ func ff_\chr0\()ToY_rvv, zve32x ret endfunc + +func ff_\chr1\()ToUV_rvv, zve32x + lw t1, 20(a6) # BU + lw t4, 32(a6) # BV + lw t3, 12(a6) # RU + lw t6, 24(a6) # RV + j 1f +endfunc + +func ff_\chr0\()ToUV_rvv, zve32x + lw t1, 12(a6) # RU + lw t4, 24(a6) # RV + lw t3, 20(a6) # BU + lw t6, 32(a6) # BV +1: + lw t2, 16(a6) # GU + lw t5, 28(a6) # GV + li a6, 0xff + li a7, (256 << (15 - 1)) + (1 << (15 - 7)) +2: + vsetvli t0, a5, e32, m8, ta, ma + vle32.v v0, (a3) + sub a5, a5, t0 + .if \high + vsrl.vi v24, v0, 24 + .else + vand.vx v24, v0, a6 + .endif + sh2add a3, t0, a3 + vsrl.vi v8, v0, 8 * (1 + \high) + vmul.vx v16, v24, t1 + vand.vx v8, v8, a6 + vmul.vx v24, v24, t4 + vmacc.vx v16, t2, v8 + vsrl.vi v0, v0, 8 * (2 - \high) + vmacc.vx v24, t5, v8 + vand.vx v0, v0, a6 + vadd.vx v16, v16, a7 + vadd.vx v24, v24, a7 + vmacc.vx v16, t3, v0 + vmacc.vx v24, t6, v0 + vsetvli zero, zero, e16, m4, ta, ma + vnsra.wi v0, v16, 15 - 6 + vnsra.wi v4, v24, 15 - 6 + vse16.v v0, (a0) + sh1add a0, t0, a0 + vse16.v v4, (a1) + sh1add a1, t0, a1 + bnez a5, 2b + + ret +endfunc .endm rgba_input rgba32, bgra32, 0 diff --git a/libswscale/riscv/swscale.c b/libswscale/riscv/swscale.c index fcb338b295..76fbf2ca08 100644 --- a/libswscale/riscv/swscale.c +++ b/libswscale/riscv/swscale.c @@ -47,10 +47,14 @@ av_cold void ff_sws_init_swscale_riscv(SwsContext *c) switch (c->srcFormat) { case AV_PIX_FMT_ABGR: c->lumToYV12 = ff_abgr32ToY_rvv; + if (!c->chrSrcHSubSample) + c->chrToYV12 = ff_abgr32ToUV_rvv; break; case AV_PIX_FMT_ARGB: c->lumToYV12 = ff_argb32ToY_rvv; + if (!c->chrSrcHSubSample) + c->chrToYV12 = ff_argb32ToUV_rvv; break; case AV_PIX_FMT_BGR24: @@ -63,6 +67,8 @@ av_cold void ff_sws_init_swscale_riscv(SwsContext *c) case AV_PIX_FMT_BGRA: c->lumToYV12 = ff_bgra32ToY_rvv; + if (!c->chrSrcHSubSample) + c->chrToYV12 = ff_bgra32ToUV_rvv; break; case AV_PIX_FMT_RGB24: @@ -75,6 +81,8 @@ av_cold void ff_sws_init_swscale_riscv(SwsContext *c) case AV_PIX_FMT_RGBA: c->lumToYV12 = ff_rgba32ToY_rvv; + if (!c->chrSrcHSubSample) + c->chrToYV12 = ff_rgba32ToUV_rvv; break; } }