Note: this implementation is limited to x86_64 due to general purpose
register pressure.
---
libswscale/x86/yuv2rgb.c | 39 ++++++++++++++++++++++++++++++++++++
libswscale/x86/yuv_2_rgb.asm | 24 +++++++++++++++++++++-
2 files changed, 62 insertions(+), 1 deletion(-)
diff --git a/libswscale/x86/yuv2rgb.c b/libswscale/x86/yuv2rgb.c
index 68e903c6ad..2a4505fa90 100644
--- a/libswscale/x86/yuv2rgb.c
+++ b/libswscale/x86/yuv2rgb.c
@@ -79,6 +79,12 @@ extern void ff_yuva_420_rgb32_ssse3(x86_reg index, uint8_t
*image, const uint8_t
extern void ff_yuva_420_bgr32_ssse3(x86_reg index, uint8_t *image, const
uint8_t *pu_index,
const uint8_t *pv_index, const uint64_t
*pointer_c_dither,
const uint8_t *py_2index, const uint8_t
*pa_2index);
+#if ARCH_X86_64
+extern void ff_yuv_420_gbrp24_ssse3(x86_reg index, uint8_t *image, uint8_t
*dst_b, uint8_t *dst_r,
+ const uint8_t *pu_index, const uint8_t
*pv_index,
+ const uint64_t *pointer_c_dither,
+ const uint8_t *py_2index);
+#endif
static inline int yuv420_rgb15_ssse3(SwsContext *c, const uint8_t *src[],
int srcStride[],
@@ -201,6 +207,35 @@ static inline int yuv420_bgr24_ssse3(SwsContext *c, const
uint8_t *src[],
return srcSliceH;
}
+#if ARCH_X86_64
+static inline int yuv420_gbrp_ssse3(SwsContext *c, const uint8_t *src[],
+ int srcStride[],
+ int srcSliceY, int srcSliceH,
+ uint8_t *dst[], int dstStride[])
+{
+ int y, h_size, vshift;
+
+ h_size = (c->dstW + 7) & ~7;
+ if (h_size * 3 > FFABS(dstStride[0]))
+ h_size -= 8;
+
+ vshift = c->srcFormat != AV_PIX_FMT_YUV422P;
+
+ for (y = 0; y < srcSliceH; y++) {
+ uint8_t *dst_g = dst[0] + (y + srcSliceY) * dstStride[0];
+ uint8_t *dst_b = dst[1] + (y + srcSliceY) * dstStride[1];
+ uint8_t *dst_r = dst[2] + (y + srcSliceY) * dstStride[2];
+ const uint8_t *py = src[0] + y * srcStride[0];
+ const uint8_t *pu = src[1] + (y >> vshift) * srcStride[1];
+ const uint8_t *pv = src[2] + (y >> vshift) * srcStride[2];
+ x86_reg index = -h_size / 2;
+
+ ff_yuv_420_gbrp24_ssse3(index, dst_g, dst_b, dst_r, pu - index, pv -
index, &(c->redDither), py - 2 * index);
+ }
+ return srcSliceH;
+}
+#endif
+
#endif /* HAVE_X86ASM */
av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
@@ -234,6 +269,10 @@ av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
return yuv420_rgb16_ssse3;
case AV_PIX_FMT_RGB555:
return yuv420_rgb15_ssse3;
+#if ARCH_X86_64
+ case AV_PIX_FMT_GBRP:
+ return yuv420_gbrp_ssse3;
+#endif
}
}
diff --git a/libswscale/x86/yuv_2_rgb.asm b/libswscale/x86/yuv_2_rgb.asm
index b67ab162d2..eeb1d25942 100644
--- a/libswscale/x86/yuv_2_rgb.asm
+++ b/libswscale/x86/yuv_2_rgb.asm
@@ -32,6 +32,7 @@ mask_dw25 : db 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, -1,
-1, 0, 0, 0, 0
rgb24_shuf1: db 0, 1, 6, 7, 12, 13, 2, 3, 8, 9, 14, 15, 4, 5, 10, 11
rgb24_shuf2: db 10, 11, 0, 1, 6, 7, 12, 13, 2, 3, 8, 9, 14, 15, 4, 5
rgb24_shuf3: db 4, 5, 10, 11, 0, 1, 6, 7, 12, 13, 2, 3, 8, 9, 14, 15
+gbrp_shuf : db 0, 8, 1, 9, 2, 10, 3, 11, 4, 12, 5, 13, 6, 14, 7, 15
pw_00ff: times 8 dw 255
pb_f8: times 16 db 248
pb_e0: times 16 db 224
@@ -60,8 +61,13 @@ SECTION .text
%define GPR_num 6
%endif
%else
+ %ifidn %2, gbrp
+ %define parameters index, image, dst_b, dst_r, pu_index, pv_index,
pointer_c_dither, py_2index
+ %define GPR_num 8
+ %else
%define parameters index, image, pu_index, pv_index, pointer_c_dither,
py_2index
%define GPR_num 6
+ %endif
%endif
%define m_green m2
@@ -172,10 +178,22 @@ cglobal %1_420_%2%3, GPR_num, GPR_num, reg_num, parameters
paddsw m2, m6 ; G0 G2 G4 G6 ...
%if %3 == 24 ; PACK RGB24
-%define depth 3
packuswb m0, m3 ; B0 B2 B4 B6 ... B1 B3 B5 B7 ...
packuswb m1, m5 ; R0 R2 R4 R6 ... R1 R3 R5 R7 ...
packuswb m2, m7 ; G0 G2 G4 G6 ... G1 G3 G5 G7 ...
+%ifidn %2, gbrp ; PLANAR GBRP
+%define depth 1
+ mova m4, [gbrp_shuf]
+ pshufb m0, m4
+ pshufb m1, m4
+ pshufb m2, m4
+ movu [imageq], m2
+ movu [dst_bq], m0
+ movu [dst_rq], m1
+ add dst_bq, 8 * depth * time_num
+ add dst_rq, 8 * depth * time_num
+%else
+%define depth 3
mova m3, m_red
mova m6, m_blue
psrldq m_red, 8
@@ -206,6 +224,7 @@ cglobal %1_420_%2%3, GPR_num, GPR_num, reg_num, parameters
movu [imageq], m0
movu [imageq + 16], m1
movu [imageq + 32], m2
+%endif ; PLANAR GBRP
%else ; PACK RGB15/16/32
packuswb m0, m1
packuswb m3, m5
@@ -292,3 +311,6 @@ yuv2rgb_fn yuva, rgb, 32
yuv2rgb_fn yuva, bgr, 32
yuv2rgb_fn yuv, rgb, 15
yuv2rgb_fn yuv, rgb, 16
+%if ARCH_X86_64
+yuv2rgb_fn yuv, gbrp, 24
+%endif
--
2.30.2
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