Commit 50d8642fa3da0a72d286359cc7f89b0a445b02d5
2022-06-06T20:18:38
Add optimiztion function with LSX in LoongArch 1. yuv420_rgb24_lsx 1. yuv420_rgba_lsx 2. yuv420_bgra_lsx 3. yuv420_argb_lsx 4. yuv420_abgr_lsx
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diff --git a/src/video/SDL_yuv.c b/src/video/SDL_yuv.c
index 72ed99d..50395ff 100644
--- a/src/video/SDL_yuv.c
+++ b/src/video/SDL_yuv.c
@@ -290,6 +290,48 @@ static SDL_bool yuv_rgb_sse(
return SDL_FALSE;
}
+static SDL_bool yuv_rgb_lsx(
+ Uint32 src_format, Uint32 dst_format,
+ Uint32 width, Uint32 height,
+ const Uint8 *y, const Uint8 *u, const Uint8 *v, Uint32 y_stride, Uint32 uv_stride,
+ Uint8 *rgb, Uint32 rgb_stride,
+ YCbCrType yuv_type)
+{
+#ifdef __loongarch_sx
+ if (!SDL_HasLSX()) {
+ return SDL_FALSE;
+ }
+ if (src_format == SDL_PIXELFORMAT_YV12 ||
+ src_format == SDL_PIXELFORMAT_IYUV) {
+
+ switch (dst_format) {
+ case SDL_PIXELFORMAT_RGB24:
+ yuv420_rgb24_lsx(width, height, y, u, v, y_stride, uv_stride, rgb, rgb_stride, yuv_type);
+ return SDL_TRUE;
+ case SDL_PIXELFORMAT_RGBX8888:
+ case SDL_PIXELFORMAT_RGBA8888:
+ yuv420_rgba_lsx(width, height, y, u, v, y_stride, uv_stride, rgb, rgb_stride, yuv_type);
+ return SDL_TRUE;
+ case SDL_PIXELFORMAT_BGRX8888:
+ case SDL_PIXELFORMAT_BGRA8888:
+ yuv420_bgra_lsx(width, height, y, u, v, y_stride, uv_stride, rgb, rgb_stride, yuv_type);
+ return SDL_TRUE;
+ case SDL_PIXELFORMAT_RGB888:
+ case SDL_PIXELFORMAT_ARGB8888:
+ yuv420_argb_lsx(width, height, y, u, v, y_stride, uv_stride, rgb, rgb_stride, yuv_type);
+ return SDL_TRUE;
+ case SDL_PIXELFORMAT_BGR888:
+ case SDL_PIXELFORMAT_ABGR8888:
+ yuv420_abgr_lsx(width, height, y, u, v, y_stride, uv_stride, rgb, rgb_stride, yuv_type);
+ return SDL_TRUE;
+ default:
+ break;
+ }
+ }
+#endif
+ return SDL_FALSE;
+}
+
static SDL_bool yuv_rgb_std(
Uint32 src_format, Uint32 dst_format,
Uint32 width, Uint32 height,
@@ -417,6 +459,10 @@ SDL_ConvertPixels_YUV_to_RGB(int width, int height,
return 0;
}
+ if (yuv_rgb_lsx(src_format, dst_format, width, height, y, u, v, y_stride, uv_stride, (Uint8*)dst, dst_pitch, yuv_type)) {
+ return 0;
+ }
+
if (yuv_rgb_std(src_format, dst_format, width, height, y, u, v, y_stride, uv_stride, (Uint8*)dst, dst_pitch, yuv_type)) {
return 0;
}
diff --git a/src/video/yuv2rgb/yuv_rgb.c b/src/video/yuv2rgb/yuv_rgb.c
index 7908b8c..c7415aa 100644
--- a/src/video/yuv2rgb/yuv_rgb.c
+++ b/src/video/yuv2rgb/yuv_rgb.c
@@ -687,4 +687,38 @@ void rgb24_yuv420_sseu(uint32_t width, uint32_t height,
#endif //__SSE2__
+#ifdef __loongarch_sx
+
+#define LSX_FUNCTION_NAME yuv420_rgb24_lsx
+#define STD_FUNCTION_NAME yuv420_rgb24_std
+#define YUV_FORMAT YUV_FORMAT_420
+#define RGB_FORMAT RGB_FORMAT_RGB24
+#include "yuv_rgb_lsx_func.h"
+
+#define LSX_FUNCTION_NAME yuv420_rgba_lsx
+#define STD_FUNCTION_NAME yuv420_rgba_std
+#define YUV_FORMAT YUV_FORMAT_420
+#define RGB_FORMAT RGB_FORMAT_RGBA
+#include "yuv_rgb_lsx_func.h"
+
+#define LSX_FUNCTION_NAME yuv420_bgra_lsx
+#define STD_FUNCTION_NAME yuv420_bgra_std
+#define YUV_FORMAT YUV_FORMAT_420
+#define RGB_FORMAT RGB_FORMAT_BGRA
+#include "yuv_rgb_lsx_func.h"
+
+#define LSX_FUNCTION_NAME yuv420_argb_lsx
+#define STD_FUNCTION_NAME yuv420_argb_std
+#define YUV_FORMAT YUV_FORMAT_420
+#define RGB_FORMAT RGB_FORMAT_ARGB
+#include "yuv_rgb_lsx_func.h"
+
+#define LSX_FUNCTION_NAME yuv420_abgr_lsx
+#define STD_FUNCTION_NAME yuv420_abgr_std
+#define YUV_FORMAT YUV_FORMAT_420
+#define RGB_FORMAT RGB_FORMAT_ABGR
+#include "yuv_rgb_lsx_func.h"
+
+#endif //__loongarch_sx
+
#endif /* SDL_HAVE_YUV */
diff --git a/src/video/yuv2rgb/yuv_rgb.h b/src/video/yuv2rgb/yuv_rgb.h
index 81d97eb..5668c0f 100644
--- a/src/video/yuv2rgb/yuv_rgb.h
+++ b/src/video/yuv2rgb/yuv_rgb.h
@@ -379,3 +379,34 @@ void rgb24_yuv420_sseu(
uint8_t *y, uint8_t *u, uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
YCbCrType yuv_type);
+
+//yuv420 to bgra, lsx implementation
+void yuv420_rgb24_lsx(
+ uint32_t width, uint32_t height,
+ const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
+ uint8_t *rgb, uint32_t rgb_stride,
+ YCbCrType yuv_type);
+
+void yuv420_rgba_lsx(
+ uint32_t width, uint32_t height,
+ const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
+ uint8_t *rgb, uint32_t rgb_stride,
+ YCbCrType yuv_type);
+
+void yuv420_bgra_lsx(
+ uint32_t width, uint32_t height,
+ const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
+ uint8_t *rgb, uint32_t rgb_stride,
+ YCbCrType yuv_type);
+
+void yuv420_argb_lsx(
+ uint32_t width, uint32_t height,
+ const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
+ uint8_t *rgb, uint32_t rgb_stride,
+ YCbCrType yuv_type);
+
+void yuv420_abgr_lsx(
+ uint32_t width, uint32_t height,
+ const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
+ uint8_t *rgb, uint32_t rgb_stride,
+ YCbCrType yuv_type);
diff --git a/src/video/yuv2rgb/yuv_rgb_lsx_func.h b/src/video/yuv2rgb/yuv_rgb_lsx_func.h
new file mode 100644
index 0000000..89d582a
--- /dev/null
+++ b/src/video/yuv2rgb/yuv_rgb_lsx_func.h
@@ -0,0 +1,372 @@
+// Copyright 2016 Adrien Descamps
+// // Distributed under BSD 3-Clause License
+
+#include <lsxintrin.h>
+
+#if YUV_FORMAT == YUV_FORMAT_420
+
+#define READ_Y(y_ptr) \
+ y = __lsx_vld(y_ptr, 0); \
+
+#define READ_UV \
+ u_temp = __lsx_vld(u_ptr, 0); \
+ v_temp = __lsx_vld(v_ptr, 0); \
+
+#else
+#error READ_UV unimplemented
+#endif
+
+#define PACK_RGBA_32(R1, R2, G1, G2, B1, B2, A1, A2, RGB1, RGB2, \
+ RGB3, RGB4, RGB5, RGB6, RGB7, RGB8) \
+{ \
+ __m128i ab_l, ab_h, gr_l, gr_h; \
+ ab_l = __lsx_vilvl_b(B1, A1); \
+ ab_h = __lsx_vilvh_b(B1, A1); \
+ gr_l = __lsx_vilvl_b(R1, G1); \
+ gr_h = __lsx_vilvh_b(R1, G1); \
+ RGB1 = __lsx_vilvl_h(gr_l, ab_l); \
+ RGB2 = __lsx_vilvh_h(gr_l, ab_l); \
+ RGB3 = __lsx_vilvl_h(gr_h, ab_h); \
+ RGB4 = __lsx_vilvh_h(gr_h, ab_h); \
+ ab_l = __lsx_vilvl_b(B2, A2); \
+ ab_h = __lsx_vilvh_b(B2, A2); \
+ gr_l = __lsx_vilvl_b(R2, G2); \
+ gr_h = __lsx_vilvh_b(R2, G2); \
+ RGB5 = __lsx_vilvl_h(gr_l, ab_l); \
+ RGB6 = __lsx_vilvh_h(gr_l, ab_l); \
+ RGB7 = __lsx_vilvl_h(gr_h, ab_h); \
+ RGB8 = __lsx_vilvh_h(gr_h, ab_h); \
+}
+
+#define PACK_RGB24_32_STEP(R, G, B, RGB1, RGB2, RGB3) \
+ RGB1 = __lsx_vilvl_b(G, R); \
+ RGB1 = __lsx_vshuf_b(B, RGB1, mask1); \
+ RGB2 = __lsx_vshuf_b(B, G, mask2); \
+ RGB2 = __lsx_vshuf_b(R, RGB2, mask3); \
+ RGB3 = __lsx_vshuf_b(R, B, mask4); \
+ RGB3 = __lsx_vshuf_b(G, RGB3, mask5); \
+
+#define PACK_RGB24_32(R1, R2, G1, G2, B1, B2, RGB1, RGB2, RGB3, RGB4, RGB5, RGB6) \
+ PACK_RGB24_32_STEP(R1, G1, B1, RGB1, RGB2, RGB3); \
+ PACK_RGB24_32_STEP(R2, G2, B2, RGB4, RGB5, RGB6); \
+
+#if RGB_FORMAT == RGB_FORMAT_RGB24
+
+#define PACK_PIXEL \
+ __m128i rgb_1, rgb_2, rgb_3, rgb_4, rgb_5, rgb_6; \
+ __m128i rgb_7, rgb_8, rgb_9, rgb_10, rgb_11, rgb_12; \
+ PACK_RGB24_32(r_8_11, r_8_12, g_8_11, g_8_12, b_8_11, b_8_12, \
+ rgb_1, rgb_2, rgb_3, rgb_4, rgb_5, rgb_6) \
+ PACK_RGB24_32(r_8_21, r_8_22, g_8_21, g_8_22, b_8_21, b_8_22, \
+ rgb_7, rgb_8, rgb_9, rgb_10, rgb_11, rgb_12) \
+
+#elif RGB_FORMAT == RGB_FORMAT_RGBA
+
+#define PACK_PIXEL \
+ __m128i rgb_1, rgb_2, rgb_3, rgb_4, rgb_5, rgb_6, rgb_7, rgb_8; \
+ __m128i rgb_9, rgb_10, rgb_11, rgb_12, rgb_13, rgb_14, rgb_15, rgb_16; \
+ __m128i a = __lsx_vldi(0xFF); \
+ PACK_RGBA_32(r_8_11, r_8_12, g_8_11, g_8_12, b_8_11, b_8_12, a, a, \
+ rgb_1, rgb_2, rgb_3, rgb_4, rgb_5, rgb_6, rgb_7, rgb_8) \
+ PACK_RGBA_32(r_8_21, r_8_22, g_8_21, g_8_22, b_8_21, b_8_22, a, a, \
+ rgb_9, rgb_10, rgb_11, rgb_12, rgb_13, rgb_14, rgb_15, rgb_16) \
+
+#elif RGB_FORMAT == RGB_FORMAT_BGRA
+
+#define PACK_PIXEL \
+ __m128i rgb_1, rgb_2, rgb_3, rgb_4, rgb_5, rgb_6, rgb_7, rgb_8; \
+ __m128i rgb_9, rgb_10, rgb_11, rgb_12, rgb_13, rgb_14, rgb_15, rgb_16; \
+ __m128i a = __lsx_vldi(0xFF); \
+ PACK_RGBA_32(b_8_11, b_8_12, g_8_11, g_8_12, r_8_11, r_8_12, a, a, \
+ rgb_1, rgb_2, rgb_3, rgb_4, rgb_5, rgb_6, rgb_7, rgb_8) \
+ PACK_RGBA_32(b_8_21, b_8_22, g_8_21, g_8_22, r_8_21, r_8_22, a, a, \
+ rgb_9, rgb_10, rgb_11, rgb_12, rgb_13, rgb_14, rgb_15, rgb_16) \
+
+#elif RGB_FORMAT == RGB_FORMAT_ARGB
+
+#define PACK_PIXEL \
+ __m128i rgb_1, rgb_2, rgb_3, rgb_4, rgb_5, rgb_6, rgb_7, rgb_8; \
+ __m128i rgb_9, rgb_10, rgb_11, rgb_12, rgb_13, rgb_14, rgb_15, rgb_16; \
+ __m128i a = __lsx_vldi(0xFF); \
+ PACK_RGBA_32(a, a, r_8_11, r_8_12, g_8_11, g_8_12, b_8_11, b_8_12, \
+ rgb_1, rgb_2, rgb_3, rgb_4, rgb_5, rgb_6, rgb_7, rgb_8) \
+ PACK_RGBA_32(a, a, r_8_21, r_8_22, g_8_21, g_8_22, b_8_21, b_8_22, \
+ rgb_9, rgb_10, rgb_11, rgb_12, rgb_13, rgb_14, rgb_15, rgb_16) \
+
+#elif RGB_FORMAT == RGB_FORMAT_ABGR
+
+#define PACK_PIXEL \
+ __m128i rgb_1, rgb_2, rgb_3, rgb_4, rgb_5, rgb_6, rgb_7, rgb_8; \
+ __m128i rgb_9, rgb_10, rgb_11, rgb_12, rgb_13, rgb_14, rgb_15, rgb_16; \
+ __m128i a = __lsx_vldi(0xFF); \
+ PACK_RGBA_32(a, a, b_8_11, b_8_12, g_8_11, g_8_12, r_8_11, r_8_12, \
+ rgb_1, rgb_2, rgb_3, rgb_4, rgb_5, rgb_6, rgb_7, rgb_8) \
+ PACK_RGBA_32(a, a, b_8_21, b_8_22, g_8_21, g_8_22, r_8_21, r_8_22, \
+ rgb_9, rgb_10, rgb_11, rgb_12, rgb_13, rgb_14, rgb_15, rgb_16) \
+
+#else
+#error PACK_PIXEL unimplemented
+#endif
+
+#define LSX_ST_UB2(in0, in1, pdst, stride) \
+{ \
+ __lsx_vst(in0, pdst, 0); \
+ __lsx_vst(in1, pdst + stride, 0); \
+}
+
+#if RGB_FORMAT == RGB_FORMAT_RGB24 \
+
+#define SAVE_LINE1 \
+ LSX_ST_UB2(rgb_1, rgb_2, rgb_ptr1, 16); \
+ LSX_ST_UB2(rgb_3, rgb_4, rgb_ptr1 + 32, 16); \
+ LSX_ST_UB2(rgb_5, rgb_6, rgb_ptr1 + 64, 16); \
+
+#define SAVE_LINE2 \
+ LSX_ST_UB2(rgb_7, rgb_8, rgb_ptr2, 16); \
+ LSX_ST_UB2(rgb_9, rgb_10, rgb_ptr2 + 32, 16); \
+ LSX_ST_UB2(rgb_11, rgb_12, rgb_ptr2 + 64, 16); \
+
+#elif RGB_FORMAT == RGB_FORMAT_RGBA || RGB_FORMAT == RGB_FORMAT_BGRA || \
+ RGB_FORMAT == RGB_FORMAT_ARGB || RGB_FORMAT == RGB_FORMAT_ABGR \
+
+#define SAVE_LINE1 \
+ LSX_ST_UB2(rgb_1, rgb_2, rgb_ptr1, 16); \
+ LSX_ST_UB2(rgb_3, rgb_4, rgb_ptr1 + 32, 16); \
+ LSX_ST_UB2(rgb_5, rgb_6, rgb_ptr1 + 64, 16); \
+ LSX_ST_UB2(rgb_7, rgb_8, rgb_ptr1 + 96, 16); \
+
+#define SAVE_LINE2 \
+ LSX_ST_UB2(rgb_9, rgb_10, rgb_ptr2, 16); \
+ LSX_ST_UB2(rgb_11, rgb_12, rgb_ptr2 + 32, 16); \
+ LSX_ST_UB2(rgb_13, rgb_14, rgb_ptr2 + 64, 16); \
+ LSX_ST_UB2(rgb_15, rgb_16, rgb_ptr2 + 96, 16); \
+
+#else
+#error SAVE_LINE unimplemented
+#endif
+
+// = u*vr g=u*ug+v*vg b=u*ub
+#define UV2RGB_16(U, V, R1, G1, B1, R2, G2, B2) \
+ r_temp = __lsx_vmul_h(V, v2r); \
+ g_temp = __lsx_vmul_h(U, u2g); \
+ g_temp = __lsx_vmadd_h(g_temp, V, v2g); \
+ b_temp = __lsx_vmul_h(U, u2b); \
+ R1 = __lsx_vilvl_h(r_temp, r_temp); \
+ G1 = __lsx_vilvl_h(g_temp, g_temp); \
+ B1 = __lsx_vilvl_h(b_temp, b_temp); \
+ R2 = __lsx_vilvh_h(r_temp, r_temp); \
+ G2 = __lsx_vilvh_h(g_temp, g_temp); \
+ B2 = __lsx_vilvh_h(b_temp, b_temp); \
+
+// Y=(Y-shift)*shift R=(Y+R)>>6,G=(Y+G)>>6,B=(B+Y)>>6
+#define ADD_Y2RGB_16(Y1, Y2, R1, G1, B1, R2, G2, B2) \
+ Y1 = __lsx_vsub_h(Y1, shift); \
+ Y2 = __lsx_vsub_h(Y2, shift); \
+ Y1 = __lsx_vmul_h(Y1, yf); \
+ Y2 = __lsx_vmul_h(Y2, yf); \
+ R1 = __lsx_vadd_h(R1, Y1); \
+ G1 = __lsx_vadd_h(G1, Y1); \
+ B1 = __lsx_vadd_h(B1, Y1); \
+ R2 = __lsx_vadd_h(R2, Y2); \
+ G2 = __lsx_vadd_h(G2, Y2); \
+ B2 = __lsx_vadd_h(B2, Y2); \
+ R1 = __lsx_vsrai_h(R1, PRECISION); \
+ G1 = __lsx_vsrai_h(G1, PRECISION); \
+ B1 = __lsx_vsrai_h(B1, PRECISION); \
+ R2 = __lsx_vsrai_h(R2, PRECISION); \
+ G2 = __lsx_vsrai_h(G2, PRECISION); \
+ B2 = __lsx_vsrai_h(B2, PRECISION); \
+
+#define CLIP(in0, in1, in2, in3, in4, in5) \
+{ \
+ in0 = __lsx_vmaxi_h(in0, 0); \
+ in1 = __lsx_vmaxi_h(in1, 0); \
+ in2 = __lsx_vmaxi_h(in2, 0); \
+ in3 = __lsx_vmaxi_h(in3, 0); \
+ in4 = __lsx_vmaxi_h(in4, 0); \
+ in5 = __lsx_vmaxi_h(in5, 0); \
+ in0 = __lsx_vsat_hu(in0, 7); \
+ in1 = __lsx_vsat_hu(in1, 7); \
+ in2 = __lsx_vsat_hu(in2, 7); \
+ in3 = __lsx_vsat_hu(in3, 7); \
+ in4 = __lsx_vsat_hu(in4, 7); \
+ in5 = __lsx_vsat_hu(in5, 7); \
+}
+
+#define YUV2RGB_32 \
+ __m128i y, u_temp, v_temp; \
+ __m128i r_8_11, g_8_11, b_8_11, r_8_21, g_8_21, b_8_21; \
+ __m128i r_8_12, g_8_12, b_8_12, r_8_22, g_8_22, b_8_22; \
+ __m128i u, v, r_temp, g_temp, b_temp; \
+ __m128i r_1, g_1, b_1, r_2, g_2, b_2; \
+ __m128i y_1, y_2; \
+ __m128i r_uv_1, g_uv_1, b_uv_1, r_uv_2, g_uv_2, b_uv_2; \
+ \
+ READ_UV \
+ \
+ /* process first 16 pixels of first line */ \
+ u = __lsx_vilvl_b(zero, u_temp); \
+ v = __lsx_vilvl_b(zero, v_temp); \
+ u = __lsx_vsub_h(u, bias); \
+ v = __lsx_vsub_h(v, bias); \
+ UV2RGB_16(u, v, r_1, g_1, b_1, r_2, g_2, b_2); \
+ r_uv_1 = r_1; g_uv_1 = g_1; b_uv_1 = b_1; \
+ r_uv_2 = r_2; g_uv_2 = g_2; b_uv_2 = b_2; \
+ READ_Y(y_ptr1) \
+ y_1 = __lsx_vilvl_b(zero, y); \
+ y_2 = __lsx_vilvh_b(zero, y); \
+ ADD_Y2RGB_16(y_1, y_2, r_1, g_1, b_1, r_2, g_2, b_2) \
+ CLIP(r_1, g_1, b_1, r_2, g_2, b_2); \
+ r_8_11 = __lsx_vpickev_b(r_2, r_1); \
+ g_8_11 = __lsx_vpickev_b(g_2, g_1); \
+ b_8_11 = __lsx_vpickev_b(b_2, b_1); \
+ \
+ /* process first 16 pixels of second line */ \
+ r_1 = r_uv_1; g_1 = g_uv_1; b_1 = b_uv_1; \
+ r_2 = r_uv_2; g_2 = g_uv_2; b_2 = b_uv_2; \
+ \
+ READ_Y(y_ptr2) \
+ y_1 = __lsx_vilvl_b(zero, y); \
+ y_2 = __lsx_vilvh_b(zero, y); \
+ ADD_Y2RGB_16(y_1, y_2, r_1, g_1, b_1, r_2, g_2, b_2) \
+ CLIP(r_1, g_1, b_1, r_2, g_2, b_2); \
+ r_8_21 = __lsx_vpickev_b(r_2, r_1); \
+ g_8_21 = __lsx_vpickev_b(g_2, g_1); \
+ b_8_21 = __lsx_vpickev_b(b_2, b_1); \
+ \
+ /* process last 16 pixels of first line */ \
+ u = __lsx_vilvh_b(zero, u_temp); \
+ v = __lsx_vilvh_b(zero, v_temp); \
+ u = __lsx_vsub_h(u, bias); \
+ v = __lsx_vsub_h(v, bias); \
+ UV2RGB_16(u, v, r_1, g_1, b_1, r_2, g_2, b_2); \
+ r_uv_1 = r_1; g_uv_1 = g_1; b_uv_1 = b_1; \
+ r_uv_2 = r_2; g_uv_2 = g_2; b_uv_2 = b_2; \
+ READ_Y(y_ptr1 + 16 * y_pixel_stride) \
+ y_1 = __lsx_vilvl_b(zero, y); \
+ y_2 = __lsx_vilvh_b(zero, y); \
+ ADD_Y2RGB_16(y_1, y_2, r_1, g_1, b_1, r_2, g_2, b_2) \
+ CLIP(r_1, g_1, b_1, r_2, g_2, b_2); \
+ r_8_12 = __lsx_vpickev_b(r_2, r_1); \
+ g_8_12 = __lsx_vpickev_b(g_2, g_1); \
+ b_8_12 = __lsx_vpickev_b(b_2, b_1); \
+ \
+ /* process last 16 pixels of second line */ \
+ r_1 = r_uv_1; g_1 = g_uv_1; b_1 = b_uv_1; \
+ r_2 = r_uv_2; g_2 = g_uv_2; b_2 = b_uv_2; \
+ \
+ READ_Y(y_ptr2 + 16 * y_pixel_stride) \
+ y_1 = __lsx_vilvl_b(zero, y); \
+ y_2 = __lsx_vilvh_b(zero, y); \
+ ADD_Y2RGB_16(y_1, y_2, r_1, g_1, b_1, r_2, g_2, b_2) \
+ CLIP(r_1, g_1, b_1, r_2, g_2, b_2); \
+ r_8_22 = __lsx_vpickev_b(r_2, r_1); \
+ g_8_22 = __lsx_vpickev_b(g_2, g_1); \
+ b_8_22 = __lsx_vpickev_b(b_2, b_1); \
+ \
+
+void LSX_FUNCTION_NAME(uint32_t width, uint32_t height, const uint8_t *Y,
+ const uint8_t *U, const uint8_t *V, uint32_t Y_stride,
+ uint32_t UV_stride, uint8_t *RGB, uint32_t RGB_stride,
+ YCbCrType yuv_type)
+{
+ const YUV2RGBParam *const param = &(YUV2RGB[yuv_type]);
+#if YUV_FORMAT == YUV_FORMAT_420
+ const int y_pixel_stride = 1;
+ const int uv_pixel_stride = 1;
+ const int uv_x_sample_interval = 2;
+ const int uv_y_sample_interval = 2;
+#endif
+
+#if RGB_FORMAT == RGB_FORMAT_RGB565
+ const int rgb_pixel_stride = 2;
+#elif RGB_FORMAT == RGB_FORMAT_RGB24
+ const int rgb_pixel_stride = 3;
+ __m128i mask1 = {0x0504110302100100, 0x0A14090813070612};
+ __m128i mask2 = {0x1808170716061505, 0x00000000000A1909};
+ __m128i mask3 = {0x0504170302160100, 0x0A1A090819070618};
+ __m128i mask4 = {0x1E0D1D0C1C0B1B0A, 0x00000000000F1F0E};
+ __m128i mask5 = {0x05041C03021B0100, 0x0A1F09081E07061D};
+#elif RGB_FORMAT == RGB_FORMAT_RGBA || RGB_FORMAT_BGRA || \
+ RGB_FORMAT == RGB_FORMAT_ARGB || RGB_FORMAT_ABGR
+ const int rgb_pixel_stride = 4;
+#else
+#error Unknown RGB pixel size
+#endif
+
+ uint32_t xpos, ypos;
+ __m128i v2r = __lsx_vreplgr2vr_h(param->v_r_factor);
+ __m128i v2g = __lsx_vreplgr2vr_h(param->v_g_factor);
+ __m128i u2g = __lsx_vreplgr2vr_h(param->u_g_factor);
+ __m128i u2b = __lsx_vreplgr2vr_h(param->u_b_factor);
+ __m128i bias = __lsx_vreplgr2vr_h(128);
+ __m128i shift = __lsx_vreplgr2vr_h(param->y_shift);
+ __m128i yf = __lsx_vreplgr2vr_h(param->y_factor);
+ __m128i zero = __lsx_vldi(0);
+
+ if (width >= 32) {
+ for (ypos = 0; ypos < (height - (uv_y_sample_interval - 1)); ypos += uv_y_sample_interval) {
+ const uint8_t *y_ptr1 = Y + ypos * Y_stride,
+ *y_ptr2 = Y + (ypos + 1) * Y_stride,
+ *u_ptr = U + (ypos/uv_y_sample_interval) * UV_stride,
+ *v_ptr = V + (ypos/uv_y_sample_interval) * UV_stride;
+ uint8_t *rgb_ptr1 = RGB + ypos * RGB_stride,
+ *rgb_ptr2 = RGB + (ypos + 1) * RGB_stride;
+
+ for (xpos = 0; xpos < (width - 31); xpos += 32){
+ YUV2RGB_32
+ {
+ PACK_PIXEL
+ SAVE_LINE1
+ if (uv_y_sample_interval > 1)
+ {
+ SAVE_LINE2
+ }
+ }
+ y_ptr1 += 32 * y_pixel_stride;
+ y_ptr2 += 32 * y_pixel_stride;
+ u_ptr += 32 * uv_pixel_stride/uv_x_sample_interval;
+ v_ptr += 32 * uv_pixel_stride/uv_x_sample_interval;
+ rgb_ptr1 += 32 * rgb_pixel_stride;
+ rgb_ptr2 += 32 * rgb_pixel_stride;
+ }
+ }
+ if (uv_y_sample_interval == 2 && ypos == (height - 1)) {
+ const uint8_t *y_ptr = Y + ypos * Y_stride,
+ *u_ptr = U + (ypos/uv_y_sample_interval) * UV_stride,
+ *v_ptr = V + (ypos/uv_y_sample_interval) * UV_stride;
+ uint8_t *rgb_ptr = RGB + ypos * RGB_stride;
+ STD_FUNCTION_NAME(width, 1, y_ptr, u_ptr, v_ptr, Y_stride, UV_stride, rgb_ptr, RGB_stride, yuv_type);
+ }
+ }
+ {
+ int converted = (width & ~31);
+ if (converted != width)
+ {
+ const uint8_t *y_ptr = Y + converted * y_pixel_stride,
+ *u_ptr = U + converted * uv_pixel_stride / uv_x_sample_interval,
+ *v_ptr = V + converted * uv_pixel_stride / uv_x_sample_interval;
+ uint8_t *rgb_ptr = RGB + converted * rgb_pixel_stride;
+
+ STD_FUNCTION_NAME(width-converted, height, y_ptr, u_ptr, v_ptr, Y_stride, UV_stride, rgb_ptr, RGB_stride, yuv_type);
+ }
+ }
+}
+
+#undef LSX_FUNCTION_NAME
+#undef STD_FUNCTION_NAME
+#undef YUV_FORMAT
+#undef RGB_FORMAT
+#undef LSX_ALIGNED
+#undef LSX_ST_UB2
+#undef UV2RGB_16
+#undef ADD_Y2RGB_16
+#undef PACK_RGB24_32_STEP
+#undef PACK_RGB24_32
+#undef PACK_PIXEL
+#undef PACK_RGBA_32
+#undef SAVE_LINE1
+#undef SAVE_LINE2
+#undef READ_Y
+#undef READ_UV
+#undef YUV2RGB_32