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swscale/x86/yuv2rgb: add ssse3 yuv42{0,2}p -> gbrp unscaled colorspace converters
Note: this implementation is limited to x86_64 due to general purpose register pressure. checkasm --bench on an Intel(R) Core(TM) i5-5300U CPU @ 2.30GHz: yuv420p_gbrp_8_c: 118.5 yuv420p_gbrp_8_ssse3: 93.3 yuv420p_gbrp_128_c: 1068.3 yuv420p_gbrp_128_ssse3: 319.3 yuv420p_gbrp_1080_c: 8841.8 yuv420p_gbrp_1080_ssse3: 2211.8 yuv420p_gbrp_1920_c: 15903.8 yuv420p_gbrp_1920_ssse3: 3814.3 yuv422p_gbrp_8_c: 144.8 yuv422p_gbrp_8_ssse3: 93.8 yuv422p_gbrp_128_c: 1395.8 yuv422p_gbrp_128_ssse3: 313.0 yuv422p_gbrp_1080_c: 11551.5 yuv422p_gbrp_1080_ssse3: 2240.8 yuv422p_gbrp_1920_c: 20585.3 yuv422p_gbrp_1920_ssse3: 5249.5 yuva420p_gbrp_8_c: 117.5 yuva420p_gbrp_8_ssse3: 92.0 yuva420p_gbrp_128_c: 1593.0 yuva420p_gbrp_128_ssse3: 319.3 yuva420p_gbrp_1080_c: 8694.5 yuva420p_gbrp_1080_ssse3: 2186.0 yuva420p_gbrp_1920_c: 15946.5 yuva420p_gbrp_1920_ssse3: 3805.3
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@ -79,6 +79,12 @@ extern void ff_yuva_420_rgb32_ssse3(x86_reg index, uint8_t *image, const uint8_t
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extern void ff_yuva_420_bgr32_ssse3(x86_reg index, uint8_t *image, const uint8_t *pu_index,
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const uint8_t *pv_index, const uint64_t *pointer_c_dither,
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const uint8_t *py_2index, const uint8_t *pa_2index);
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#if ARCH_X86_64
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extern void ff_yuv_420_gbrp24_ssse3(x86_reg index, uint8_t *image, uint8_t *dst_b, uint8_t *dst_r,
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const uint8_t *pu_index, const uint8_t *pv_index,
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const uint64_t *pointer_c_dither,
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const uint8_t *py_2index);
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#endif
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static inline int yuv420_rgb15_ssse3(SwsContext *c, const uint8_t *src[],
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int srcStride[],
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@ -201,6 +207,35 @@ static inline int yuv420_bgr24_ssse3(SwsContext *c, const uint8_t *src[],
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return srcSliceH;
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}
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#if ARCH_X86_64
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static inline int yuv420_gbrp_ssse3(SwsContext *c, const uint8_t *src[],
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int srcStride[],
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int srcSliceY, int srcSliceH,
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uint8_t *dst[], int dstStride[])
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{
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int y, h_size, vshift;
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h_size = (c->dstW + 7) & ~7;
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if (h_size * 3 > FFABS(dstStride[0]))
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h_size -= 8;
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vshift = c->srcFormat != AV_PIX_FMT_YUV422P;
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for (y = 0; y < srcSliceH; y++) {
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uint8_t *dst_g = dst[0] + (y + srcSliceY) * dstStride[0];
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uint8_t *dst_b = dst[1] + (y + srcSliceY) * dstStride[1];
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uint8_t *dst_r = dst[2] + (y + srcSliceY) * dstStride[2];
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const uint8_t *py = src[0] + y * srcStride[0];
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const uint8_t *pu = src[1] + (y >> vshift) * srcStride[1];
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const uint8_t *pv = src[2] + (y >> vshift) * srcStride[2];
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x86_reg index = -h_size / 2;
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ff_yuv_420_gbrp24_ssse3(index, dst_g, dst_b, dst_r, pu - index, pv - index, &(c->redDither), py - 2 * index);
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}
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return srcSliceH;
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}
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#endif
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#endif /* HAVE_X86ASM */
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av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
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@ -234,6 +269,10 @@ av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
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return yuv420_rgb16_ssse3;
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case AV_PIX_FMT_RGB555:
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return yuv420_rgb15_ssse3;
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#if ARCH_X86_64
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case AV_PIX_FMT_GBRP:
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return yuv420_gbrp_ssse3;
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#endif
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}
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}
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@ -32,6 +32,7 @@ mask_dw25 : db 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0
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rgb24_shuf1: db 0, 1, 6, 7, 12, 13, 2, 3, 8, 9, 14, 15, 4, 5, 10, 11
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rgb24_shuf2: db 10, 11, 0, 1, 6, 7, 12, 13, 2, 3, 8, 9, 14, 15, 4, 5
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rgb24_shuf3: db 4, 5, 10, 11, 0, 1, 6, 7, 12, 13, 2, 3, 8, 9, 14, 15
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gbrp_shuf : db 0, 8, 1, 9, 2, 10, 3, 11, 4, 12, 5, 13, 6, 14, 7, 15
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pw_00ff: times 8 dw 255
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pb_f8: times 16 db 248
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pb_e0: times 16 db 224
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@ -60,8 +61,13 @@ SECTION .text
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%define GPR_num 6
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%endif
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%else
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%ifidn %2, gbrp
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%define parameters index, image, dst_b, dst_r, pu_index, pv_index, pointer_c_dither, py_2index
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%define GPR_num 8
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%else
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%define parameters index, image, pu_index, pv_index, pointer_c_dither, py_2index
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%define GPR_num 6
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%endif
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%endif
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%define m_green m2
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@ -172,10 +178,22 @@ cglobal %1_420_%2%3, GPR_num, GPR_num, reg_num, parameters
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paddsw m2, m6 ; G0 G2 G4 G6 ...
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%if %3 == 24 ; PACK RGB24
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%define depth 3
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packuswb m0, m3 ; B0 B2 B4 B6 ... B1 B3 B5 B7 ...
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packuswb m1, m5 ; R0 R2 R4 R6 ... R1 R3 R5 R7 ...
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packuswb m2, m7 ; G0 G2 G4 G6 ... G1 G3 G5 G7 ...
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%ifidn %2, gbrp ; PLANAR GBRP
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%define depth 1
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mova m4, [gbrp_shuf]
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pshufb m0, m4
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pshufb m1, m4
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pshufb m2, m4
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movu [imageq], m2
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movu [dst_bq], m0
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movu [dst_rq], m1
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add dst_bq, 8 * depth * time_num
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add dst_rq, 8 * depth * time_num
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%else
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%define depth 3
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mova m3, m_red
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mova m6, m_blue
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psrldq m_red, 8
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@ -206,6 +224,7 @@ cglobal %1_420_%2%3, GPR_num, GPR_num, reg_num, parameters
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movu [imageq], m0
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movu [imageq + 16], m1
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movu [imageq + 32], m2
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%endif ; PLANAR GBRP
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%else ; PACK RGB15/16/32
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packuswb m0, m1
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packuswb m3, m5
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@ -292,3 +311,6 @@ yuv2rgb_fn yuva, rgb, 32
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yuv2rgb_fn yuva, bgr, 32
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yuv2rgb_fn yuv, rgb, 15
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yuv2rgb_fn yuv, rgb, 16
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%if ARCH_X86_64
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yuv2rgb_fn yuv, gbrp, 24
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%endif
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