mirror of https://git.ffmpeg.org/ffmpeg.git
sws/input: R-V V 32-bit RGB to Y
T-Head C908: abgr_to_y_8_c: 2.5 abgr_to_y_8_rvv_i32: 2.2 abgr_to_y_128_c: 37.0 abgr_to_y_128_rvv_i32: 8.5 abgr_to_y_1080_c: 327.0 abgr_to_y_1080_rvv_i32: 69.5 abgr_to_y_1920_c: 552.0 abgr_to_y_1920_rvv_i32: 122.2 bgra_to_y_8_c: 2.5 bgra_to_y_8_rvv_i32: 2.2 bgra_to_y_128_c: 37.2 bgra_to_y_128_rvv_i32: 8.5 bgra_to_y_1080_c: 310.2 bgra_to_y_1080_rvv_i32: 69.5 bgra_to_y_1920_c: 568.2 bgra_to_y_1920_rvv_i32: 122.5 SpacemiT X60: abgr_to_y_8_c: 2.5 abgr_to_y_8_rvv_i32: 2.0 abgr_to_y_128_c: 33.0 abgr_to_y_128_rvv_i32: 3.7 abgr_to_y_1080_c: 276.0 abgr_to_y_1080_rvv_i32: 31.5 abgr_to_y_1920_c: 493.7 abgr_to_y_1920_rvv_i32: 55.5 bgra_to_y_8_c: 2.2 bgra_to_y_8_rvv_i32: 2.0 bgra_to_y_128_c: 33.0 bgra_to_y_128_rvv_i32: 3.7 bgra_to_y_1080_c: 276.0 bgra_to_y_1080_rvv_i32: 31.5 bgra_to_y_1920_c: 490.7 bgra_to_y_1920_rvv_i32: 55.5
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@ -149,3 +149,48 @@ func ff_rgb24ToUV_half_rvv, zve32x
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ret
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endfunc
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.macro rgba_input chr0, chr1, high
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func ff_\chr1\()ToY_rvv, zve32x
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lw t1, 8(a5) # BY
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lw t3, 0(a5) # RY
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j 1f
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endfunc
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func ff_\chr0\()ToY_rvv, zve32x
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lw t1, 0(a5) # RY
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lw t3, 8(a5) # BY
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1:
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lw t2, 4(a5) # GY
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li t4, (32 << (15 - 1)) + (1 << (15 - 7))
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li t5, 0xff
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2:
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vsetvli t0, a4, e32, m8, ta, ma
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vle32.v v0, (a1)
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sub a4, a4, t0
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.if \high
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vsrl.vi v8, v0, 24
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.else
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vand.vx v8, v0, t5
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.endif
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sh2add a1, t0, a1
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vsrl.vi v16, v0, 8 * (1 + \high)
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vmul.vx v24, v8, t1
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vand.vx v16, v16, t5
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vsrl.vi v8, v0, 8 * (2 - \high)
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vmacc.vx v24, t2, v16
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vand.vx v8, v8, t5
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vadd.vx v24, v24, t4
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vmacc.vx v24, t3, v8
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vsetvli zero, zero, e16, m4, ta, ma
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vnsra.wi v0, v24, 15 - 6
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vse16.v v0, (a0)
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sh1add a0, t0, a0
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bnez a4, 2b
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ret
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endfunc
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.endm
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rgba_input rgba32, bgra32, 0
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rgba_input abgr32, argb32, 1
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@ -21,20 +21,22 @@
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#include "libavutil/riscv/cpu.h"
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#include "libswscale/swscale_internal.h"
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void ff_bgr24ToY_rvv(uint8_t *dst, const uint8_t *src, const uint8_t *,
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const uint8_t *, int width, uint32_t *coeffs, void *);
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void ff_bgr24ToUV_rvv(uint8_t *, uint8_t *, const uint8_t *, const uint8_t *,
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const uint8_t *, int width, uint32_t *coeffs, void *);
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void ff_bgr24ToUV_half_rvv(uint8_t *, uint8_t *, const uint8_t *,
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const uint8_t *, const uint8_t *, int width,
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uint32_t *coeffs, void *);
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void ff_rgb24ToY_rvv(uint8_t *dst, const uint8_t *src, const uint8_t *,
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const uint8_t *, int width, uint32_t *coeffs, void *);
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void ff_rgb24ToUV_rvv(uint8_t *, uint8_t *, const uint8_t *, const uint8_t *,
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const uint8_t *, int width, uint32_t *coeffs, void *);
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void ff_rgb24ToUV_half_rvv(uint8_t *, uint8_t *, const uint8_t *,
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const uint8_t *, const uint8_t *, int width,
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uint32_t *coeffs, void *);
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#define RVV_INPUT(name) \
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void ff_##name##ToY_rvv(uint8_t *dst, const uint8_t *src, const uint8_t *, \
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const uint8_t *, int w, uint32_t *coeffs, void *); \
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void ff_##name##ToUV_rvv(uint8_t *, uint8_t *, const uint8_t *, \
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const uint8_t *, const uint8_t *, int w, \
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uint32_t *coeffs, void *); \
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void ff_##name##ToUV_half_rvv(uint8_t *, uint8_t *, const uint8_t *, \
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const uint8_t *, const uint8_t *, int w, \
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uint32_t *coeffs, void *)
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RVV_INPUT(abgr32);
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RVV_INPUT(argb32);
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RVV_INPUT(bgr24);
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RVV_INPUT(bgra32);
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RVV_INPUT(rgb24);
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RVV_INPUT(rgba32);
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av_cold void ff_sws_init_swscale_riscv(SwsContext *c)
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{
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@ -43,6 +45,14 @@ av_cold void ff_sws_init_swscale_riscv(SwsContext *c)
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if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) {
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switch (c->srcFormat) {
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case AV_PIX_FMT_ABGR:
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c->lumToYV12 = ff_abgr32ToY_rvv;
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break;
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case AV_PIX_FMT_ARGB:
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c->lumToYV12 = ff_argb32ToY_rvv;
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break;
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case AV_PIX_FMT_BGR24:
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c->lumToYV12 = ff_bgr24ToY_rvv;
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if (c->chrSrcHSubSample)
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@ -51,6 +61,10 @@ av_cold void ff_sws_init_swscale_riscv(SwsContext *c)
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c->chrToYV12 = ff_bgr24ToUV_rvv;
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break;
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case AV_PIX_FMT_BGRA:
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c->lumToYV12 = ff_bgra32ToY_rvv;
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break;
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case AV_PIX_FMT_RGB24:
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c->lumToYV12 = ff_rgb24ToY_rvv;
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if (c->chrSrcHSubSample)
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@ -58,6 +72,10 @@ av_cold void ff_sws_init_swscale_riscv(SwsContext *c)
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else
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c->chrToYV12 = ff_rgb24ToUV_rvv;
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break;
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case AV_PIX_FMT_RGBA:
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c->lumToYV12 = ff_rgba32ToY_rvv;
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break;
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}
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}
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#endif
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