/external/chromium_org/third_party/libvpx/source/libvpx/third_party/libyuv/source/ |
H A D | row_mips.cc | 683 "lw $t0, 0(%[y_buf]) \n" \ 741 void I422ToARGBRow_MIPS_DSPR2(const uint8* y_buf, argument 770 "addiu %[y_buf], 4 \n" 790 :[y_buf] "+r" (y_buf), 803 void I422ToABGRRow_MIPS_DSPR2(const uint8* y_buf, argument 832 "addiu %[y_buf], 4 \n" 852 :[y_buf] "+r" (y_buf), 865 void I422ToBGRARow_MIPS_DSPR2(const uint8* y_buf, argument [all...] |
H A D | row_posix.cc | 2144 "movq " MEMACCESS([y_buf]) ",%%xmm3 \n" \ 2145 "lea " MEMLEA(0x8, [y_buf]) ",%[y_buf] \n" \ 2169 "movq " MEMACCESS([y_buf]) ",%%xmm3 \n" \ 2170 "lea " MEMLEA(0x8, [y_buf]) ",%[y_buf] \n" \ 2184 void OMITFP I444ToARGBRow_SSSE3(const uint8* y_buf, argument 2207 : [y_buf]"+r"(y_buf), // %[y_buf] 2223 I422ToRGB24Row_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_rgb24, int width) argument 2281 I422ToRAWRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_raw, int width) argument 2339 I422ToARGBRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2378 I411ToARGBRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2417 NV12ToARGBRow_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2451 NV21ToARGBRow_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2485 I444ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2524 I422ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2563 I411ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2602 NV12ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2636 NV21ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2670 I422ToBGRARow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_bgra, int width) argument 2710 I422ToABGRRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_abgr, int width) argument 2749 I422ToRGBARow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_rgba, int width) argument 2789 I422ToBGRARow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_bgra, int width) argument 2829 I422ToABGRRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_abgr, int width) argument 2868 I422ToRGBARow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_rgba, int width) argument 2911 YToARGBRow_SSE2(const uint8* y_buf, uint8* dst_argb, int width) argument [all...] |
H A D | row_win.cc | 77 void I422ToARGBRow_SSSE3(const uint8* y_buf, argument 100 xmm3 = _mm_loadl_epi64((__m128i*)y_buf); 122 y_buf += 8; 130 void I422ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, argument 153 xmm3 = _mm_loadl_epi64((__m128i*)y_buf); 175 y_buf += 8; 2229 void I422ToARGBRow_AVX2(const uint8* y_buf, argument 2398 void I444ToARGBRow_SSSE3(const uint8* y_buf, argument 2441 void I422ToRGB24Row_SSSE3(const uint8* y_buf, argument 2488 void I422ToRAWRow_SSSE3(const uint8* y_buf, argument 2535 I422ToRGB565Row_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb565_buf, int width) argument 2608 I422ToARGBRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2652 I411ToARGBRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2697 NV12ToARGBRow_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2735 NV21ToARGBRow_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2773 I444ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2816 I422ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2860 I411ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2905 NV12ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2943 NV21ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2979 I422ToBGRARow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_bgra, int width) argument 3020 I422ToBGRARow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_bgra, int width) argument 3061 I422ToABGRRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_abgr, int width) argument 3102 I422ToABGRRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_abgr, int width) argument 3143 I422ToRGBARow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_rgba, int width) argument 3184 I422ToRGBARow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_rgba, int width) argument 3228 YToARGBRow_SSE2(const uint8* y_buf, uint8* rgb_buf, int width) argument [all...] |
/external/chromium_org/third_party/libyuv/source/ |
H A D | row_mips.cc | 683 "lw $t0, 0(%[y_buf]) \n" \ 741 void I422ToARGBRow_MIPS_DSPR2(const uint8* y_buf, argument 770 "addiu %[y_buf], 4 \n" 790 :[y_buf] "+r" (y_buf), 803 void I422ToABGRRow_MIPS_DSPR2(const uint8* y_buf, argument 832 "addiu %[y_buf], 4 \n" 852 :[y_buf] "+r" (y_buf), 865 void I422ToBGRARow_MIPS_DSPR2(const uint8* y_buf, argument [all...] |
H A D | row_posix.cc | 2144 "movq " MEMACCESS([y_buf]) ",%%xmm3 \n" \ 2145 "lea " MEMLEA(0x8, [y_buf]) ",%[y_buf] \n" \ 2169 "movq " MEMACCESS([y_buf]) ",%%xmm3 \n" \ 2170 "lea " MEMLEA(0x8, [y_buf]) ",%[y_buf] \n" \ 2184 void OMITFP I444ToARGBRow_SSSE3(const uint8* y_buf, argument 2207 : [y_buf]"+r"(y_buf), // %[y_buf] 2223 I422ToRGB24Row_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_rgb24, int width) argument 2281 I422ToRAWRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_raw, int width) argument 2339 I422ToARGBRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2378 I411ToARGBRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2417 NV12ToARGBRow_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2451 NV21ToARGBRow_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2485 I444ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2524 I422ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2563 I411ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2602 NV12ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2636 NV21ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2670 I422ToBGRARow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_bgra, int width) argument 2710 I422ToABGRRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_abgr, int width) argument 2749 I422ToRGBARow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_rgba, int width) argument 2789 I422ToBGRARow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_bgra, int width) argument 2829 I422ToABGRRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_abgr, int width) argument 2868 I422ToRGBARow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_rgba, int width) argument 2911 YToARGBRow_SSE2(const uint8* y_buf, uint8* dst_argb, int width) argument [all...] |
H A D | row_win.cc | 76 void I422ToARGBRow_SSSE3(const uint8* y_buf, argument 100 xmm3 = _mm_loadl_epi64((__m128i*)y_buf); 122 y_buf += 8; 130 void I422ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, argument 154 xmm3 = _mm_loadl_epi64((__m128i*)y_buf); 176 y_buf += 8; 2230 void I422ToARGBRow_AVX2(const uint8* y_buf, argument 2399 void I444ToARGBRow_SSSE3(const uint8* y_buf, argument 2442 void I422ToRGB24Row_SSSE3(const uint8* y_buf, argument 2489 void I422ToRAWRow_SSSE3(const uint8* y_buf, argument 2536 I422ToRGB565Row_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb565_buf, int width) argument 2609 I422ToARGBRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2653 I411ToARGBRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2698 NV12ToARGBRow_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2736 NV21ToARGBRow_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2774 I444ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2817 I422ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2861 I411ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_argb, int width) argument 2906 NV12ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2944 NV21ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* dst_argb, int width) argument 2980 I422ToBGRARow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_bgra, int width) argument 3021 I422ToBGRARow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_bgra, int width) argument 3062 I422ToABGRRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_abgr, int width) argument 3103 I422ToABGRRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_abgr, int width) argument 3144 I422ToRGBARow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_rgba, int width) argument 3185 I422ToRGBARow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* dst_rgba, int width) argument 3229 YToARGBRow_SSE2(const uint8* y_buf, uint8* rgb_buf, int width) argument [all...] |
/external/chromium_org/media/base/simd/ |
H A D | convert_rgb_to_yuv_sse2.cc | 85 #define CONVERT_Y(rgb_buf, y_buf) \ 93 *y_buf++ = RGBToY(r, g, b); 134 uint8* y_buf, 142 CONVERT_Y(rgb_buf, y_buf); 143 CONVERT_Y(rgb_buf, y_buf); 149 uint8* y_buf, 157 CONVERT_Y(rgb_buf, y_buf); 133 ConvertRGBToYUV_V1H2(const uint8* rgb_buf, uint8* y_buf, uint8* u_buf, uint8* v_buf) argument 148 ConvertRGBToYUV_V1H1(const uint8* rgb_buf, uint8* y_buf, uint8* u_buf, uint8* v_buf) argument
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H A D | convert_yuv_to_rgb_c.cc | 101 void ConvertYUVToRGB32Row_C(const uint8* y_buf, argument 110 uint8 y0 = y_buf[x]; 113 uint8 y1 = y_buf[x + 1]; 120 void ConvertYUVAToARGBRow_C(const uint8* y_buf, argument 130 uint8 y0 = y_buf[x]; 134 uint8 y1 = y_buf[x + 1]; 146 void ScaleYUVToRGB32Row_C(const uint8* y_buf, argument 155 int y = y_buf[x >> 16]; 161 y = y_buf[x >> 16]; 169 void LinearScaleYUVToRGB32Row_C(const uint8* y_buf, argument 184 LinearScaleYUVToRGB32RowWithRange_C(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, int dest_width, int x, int source_dx, const int16 convert_table[1024][4]) argument [all...] |
/external/libyuv/files/source/ |
H A D | row_neon.cc | 78 void I422ToARGBRow_NEON(const uint8* y_buf, argument 97 : "+r"(y_buf), // %0 111 void I422ToBGRARow_NEON(const uint8* y_buf, argument 131 : "+r"(y_buf), // %0 145 void I422ToABGRRow_NEON(const uint8* y_buf, argument 165 : "+r"(y_buf), // %0 179 void I422ToRGBARow_NEON(const uint8* y_buf, argument 198 : "+r"(y_buf), // %0 212 void I422ToRGB24Row_NEON(const uint8* y_buf, argument 230 : "+r"(y_buf), // 244 I422ToRAWRow_NEON(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, int width) argument 277 NV12ToARGBRow_NEON(const uint8* y_buf, const uint8* uv_buf, uint8* rgb_buf, int width) argument 308 NV21ToARGBRow_NEON(const uint8* y_buf, const uint8* uv_buf, uint8* rgb_buf, int width) argument [all...] |
H A D | row_common.cc | 470 void I444ToARGBRow_C(const uint8* y_buf, argument 476 YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf, 24, 16, 8, 0); 477 y_buf += 1; 485 void I422ToARGBRow_C(const uint8* y_buf, argument 491 YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 16, 8, 0); 492 YuvPixel(y_buf[1], u_buf[0], v_buf[0], rgb_buf + 4, 24, 16, 8, 0); 493 y_buf += 2; 499 YuvPixel(y_buf[0], u_buf[0], v_buf[0], rgb_buf + 0, 24, 16, 8, 0); 503 void I422ToRGB24Row_C(const uint8* y_buf, argument 509 YuvPixel2(y_buf[ 524 I422ToRAWRow_C(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, int width) argument 545 I411ToARGBRow_C(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, int width) argument 571 NV12ToARGBRow_C(const uint8* y_buf, const uint8* uv_buf, uint8* rgb_buf, int width) argument 587 NV21ToARGBRow_C(const uint8* y_buf, const uint8* vu_buf, uint8* rgb_buf, int width) argument 603 I422ToBGRARow_C(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, int width) argument 621 I422ToABGRRow_C(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, int width) argument 639 I422ToRGBARow_C(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgb_buf, int width) argument 657 YToARGBRow_C(const uint8* y_buf, uint8* rgb_buf, int width) argument [all...] |
H A D | row_posix.cc | 1358 "movq (%[y_buf]),%%xmm3 \n" \ 1359 "lea 0x8(%[y_buf]),%[y_buf] \n" \ 1383 "movq (%[y_buf]),%%xmm3 \n" \ 1384 "lea 0x8(%[y_buf]),%[y_buf] \n" \ 1398 void OMITFP I444ToARGBRow_SSSE3(const uint8* y_buf, argument 1421 : [y_buf]"+r"(y_buf), // %[y_buf] 1434 I422ToARGBRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* argb_buf, int width) argument 1470 I411ToARGBRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* argb_buf, int width) argument 1506 NV12ToARGBRow_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* argb_buf, int width) argument 1539 NV21ToARGBRow_SSSE3(const uint8* y_buf, const uint8* vu_buf, uint8* argb_buf, int width) argument 1572 I444ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* argb_buf, int width) argument 1608 I422ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* argb_buf, int width) argument 1644 I411ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* argb_buf, int width) argument 1680 NV12ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* uv_buf, uint8* argb_buf, int width) argument 1713 NV21ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* vu_buf, uint8* argb_buf, int width) argument 1746 I422ToBGRARow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* bgra_buf, int width) argument 1783 I422ToABGRRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* abgr_buf, int width) argument 1819 I422ToBGRARow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* bgra_buf, int width) argument 1856 I422ToABGRRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* abgr_buf, int width) argument 1894 YToARGBRow_SSE2(const uint8* y_buf, uint8* rgb_buf, int width) argument [all...] |
H A D | row_win.cc | 1617 void I444ToARGBRow_SSSE3(const uint8* y_buf, argument 1660 void I422ToARGBRow_SSSE3(const uint8* y_buf, argument 1704 void I411ToARGBRow_SSSE3(const uint8* y_buf, argument 1747 void NV12ToARGBRow_SSSE3(const uint8* y_buf, argument 1785 void NV21ToARGBRow_SSSE3(const uint8* y_buf, argument 1823 void I444ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, argument 1866 void I422ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, argument 1910 void I411ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, argument 1954 void NV12ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, argument 1992 void NV21ToARGBRow_Unaligned_SSSE3(const uint8* y_buf, argument 2028 I422ToBGRARow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* bgra_buf, int width) argument 2069 I422ToBGRARow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* bgra_buf, int width) argument 2110 I422ToABGRRow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* abgr_buf, int width) argument 2151 I422ToABGRRow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* abgr_buf, int width) argument 2192 I422ToRGBARow_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgba_buf, int width) argument 2233 I422ToRGBARow_Unaligned_SSSE3(const uint8* y_buf, const uint8* u_buf, const uint8* v_buf, uint8* rgba_buf, int width) argument 2277 YToARGBRow_SSE2(const uint8* y_buf, uint8* rgb_buf, int width) argument [all...] |
/external/chromium_org/media/base/ |
H A D | yuv_convert.cc | 213 void ScaleYUVToRGB32(const uint8* y_buf, argument 254 y_buf += source_width - 1; 262 y_buf += (source_height - 1) * y_pitch; 329 y_ptr = y_buf + source_y * y_pitch; 371 y_ptr = y_buf + source_y * y_pitch; 403 void ScaleYUVToRGB32WithRect(const uint8* y_buf, argument 499 const uint8* y0_ptr = y_buf + y_pitch * source_row + source_y_left;
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