diff options
Diffstat (limited to 'media/base/yuv_convert.cc')
| -rw-r--r-- | media/base/yuv_convert.cc | 537 |
1 files changed, 3 insertions, 534 deletions
diff --git a/media/base/yuv_convert.cc b/media/base/yuv_convert.cc index 3ba6863..788fd99 100644 --- a/media/base/yuv_convert.cc +++ b/media/base/yuv_convert.cc @@ -73,403 +73,10 @@ #define DCHECK(a) #endif -// MMX for Windows, Linux and Mac. -// C++ code provided as a fall back. -// Compile with /DUSE_MMX=0 -#ifndef USE_MMX - -#ifdef ARCH_CPU_ARM_FAMILY -#define USE_MMX 0 -#else -#define USE_MMX 1 -#endif -#endif +#include "media/base/yuv_row.h" namespace media { -#if USE_MMX - -#define RGBY(i) { \ - static_cast<int16>(1.164 * 64 * (i - 16) + 0.5), \ - static_cast<int16>(1.164 * 64 * (i - 16) + 0.5), \ - static_cast<int16>(1.164 * 64 * (i - 16) + 0.5), \ - 0 \ -} - -#define RGBU(i) { \ - static_cast<int16>(2.018 * 64 * (i - 128) + 0.5), \ - static_cast<int16>(-0.391 * 64 * (i - 128) + 0.5), \ - 0, \ - static_cast<int16>(256 * 64 - 1) \ -} - -#define RGBV(i) { \ - 0, \ - static_cast<int16>(-0.813 * 64 * (i - 128) + 0.5), \ - static_cast<int16>(1.596 * 64 * (i - 128) + 0.5), \ - 0 \ -} - -#if defined(_MSC_VER) -#define MMX_ALIGNED(var) __declspec(align(16)) var -#else -#define MMX_ALIGNED(var) var __attribute__((aligned(16))) -#endif - -extern "C" { -MMX_ALIGNED(int16 coefficients_RGB_Y[256][4]) = { - RGBY(0x00), RGBY(0x01), RGBY(0x02), RGBY(0x03), - RGBY(0x04), RGBY(0x05), RGBY(0x06), RGBY(0x07), - RGBY(0x08), RGBY(0x09), RGBY(0x0A), RGBY(0x0B), - RGBY(0x0C), RGBY(0x0D), RGBY(0x0E), RGBY(0x0F), - RGBY(0x10), RGBY(0x11), RGBY(0x12), RGBY(0x13), - RGBY(0x14), RGBY(0x15), RGBY(0x16), RGBY(0x17), - RGBY(0x18), RGBY(0x19), RGBY(0x1A), RGBY(0x1B), - RGBY(0x1C), RGBY(0x1D), RGBY(0x1E), RGBY(0x1F), - RGBY(0x20), RGBY(0x21), RGBY(0x22), RGBY(0x23), - RGBY(0x24), RGBY(0x25), RGBY(0x26), RGBY(0x27), - RGBY(0x28), RGBY(0x29), RGBY(0x2A), RGBY(0x2B), - RGBY(0x2C), RGBY(0x2D), RGBY(0x2E), RGBY(0x2F), - RGBY(0x30), RGBY(0x31), RGBY(0x32), RGBY(0x33), - RGBY(0x34), RGBY(0x35), RGBY(0x36), RGBY(0x37), - RGBY(0x38), RGBY(0x39), RGBY(0x3A), RGBY(0x3B), - RGBY(0x3C), RGBY(0x3D), RGBY(0x3E), RGBY(0x3F), - RGBY(0x40), RGBY(0x41), RGBY(0x42), RGBY(0x43), - RGBY(0x44), RGBY(0x45), RGBY(0x46), RGBY(0x47), - RGBY(0x48), RGBY(0x49), RGBY(0x4A), RGBY(0x4B), - RGBY(0x4C), RGBY(0x4D), RGBY(0x4E), RGBY(0x4F), - RGBY(0x50), RGBY(0x51), RGBY(0x52), RGBY(0x53), - RGBY(0x54), RGBY(0x55), RGBY(0x56), RGBY(0x57), - RGBY(0x58), RGBY(0x59), RGBY(0x5A), RGBY(0x5B), - RGBY(0x5C), RGBY(0x5D), RGBY(0x5E), RGBY(0x5F), - RGBY(0x60), RGBY(0x61), RGBY(0x62), RGBY(0x63), - RGBY(0x64), RGBY(0x65), RGBY(0x66), RGBY(0x67), - RGBY(0x68), RGBY(0x69), RGBY(0x6A), RGBY(0x6B), - RGBY(0x6C), RGBY(0x6D), RGBY(0x6E), RGBY(0x6F), - RGBY(0x70), RGBY(0x71), RGBY(0x72), RGBY(0x73), - RGBY(0x74), RGBY(0x75), RGBY(0x76), RGBY(0x77), - RGBY(0x78), RGBY(0x79), RGBY(0x7A), RGBY(0x7B), - RGBY(0x7C), RGBY(0x7D), RGBY(0x7E), RGBY(0x7F), - RGBY(0x80), RGBY(0x81), RGBY(0x82), RGBY(0x83), - RGBY(0x84), RGBY(0x85), RGBY(0x86), RGBY(0x87), - RGBY(0x88), RGBY(0x89), RGBY(0x8A), RGBY(0x8B), - RGBY(0x8C), RGBY(0x8D), RGBY(0x8E), RGBY(0x8F), - RGBY(0x90), RGBY(0x91), RGBY(0x92), RGBY(0x93), - RGBY(0x94), RGBY(0x95), RGBY(0x96), RGBY(0x97), - RGBY(0x98), RGBY(0x99), RGBY(0x9A), RGBY(0x9B), - RGBY(0x9C), RGBY(0x9D), RGBY(0x9E), RGBY(0x9F), - RGBY(0xA0), RGBY(0xA1), RGBY(0xA2), RGBY(0xA3), - RGBY(0xA4), RGBY(0xA5), RGBY(0xA6), RGBY(0xA7), - RGBY(0xA8), RGBY(0xA9), RGBY(0xAA), RGBY(0xAB), - RGBY(0xAC), RGBY(0xAD), RGBY(0xAE), RGBY(0xAF), - RGBY(0xB0), RGBY(0xB1), RGBY(0xB2), RGBY(0xB3), - RGBY(0xB4), RGBY(0xB5), RGBY(0xB6), RGBY(0xB7), - RGBY(0xB8), RGBY(0xB9), RGBY(0xBA), RGBY(0xBB), - RGBY(0xBC), RGBY(0xBD), RGBY(0xBE), RGBY(0xBF), - RGBY(0xC0), RGBY(0xC1), RGBY(0xC2), RGBY(0xC3), - RGBY(0xC4), RGBY(0xC5), RGBY(0xC6), RGBY(0xC7), - RGBY(0xC8), RGBY(0xC9), RGBY(0xCA), RGBY(0xCB), - RGBY(0xCC), RGBY(0xCD), RGBY(0xCE), RGBY(0xCF), - RGBY(0xD0), RGBY(0xD1), RGBY(0xD2), RGBY(0xD3), - RGBY(0xD4), RGBY(0xD5), RGBY(0xD6), RGBY(0xD7), - RGBY(0xD8), RGBY(0xD9), RGBY(0xDA), RGBY(0xDB), - RGBY(0xDC), RGBY(0xDD), RGBY(0xDE), RGBY(0xDF), - RGBY(0xE0), RGBY(0xE1), RGBY(0xE2), RGBY(0xE3), - RGBY(0xE4), RGBY(0xE5), RGBY(0xE6), RGBY(0xE7), - RGBY(0xE8), RGBY(0xE9), RGBY(0xEA), RGBY(0xEB), - RGBY(0xEC), RGBY(0xED), RGBY(0xEE), RGBY(0xEF), - RGBY(0xF0), RGBY(0xF1), RGBY(0xF2), RGBY(0xF3), - RGBY(0xF4), RGBY(0xF5), RGBY(0xF6), RGBY(0xF7), - RGBY(0xF8), RGBY(0xF9), RGBY(0xFA), RGBY(0xFB), - RGBY(0xFC), RGBY(0xFD), RGBY(0xFE), RGBY(0xFF), -}; - -MMX_ALIGNED(int16 coefficients_RGB_U[256][4]) = { - RGBU(0x00), RGBU(0x01), RGBU(0x02), RGBU(0x03), - RGBU(0x04), RGBU(0x05), RGBU(0x06), RGBU(0x07), - RGBU(0x08), RGBU(0x09), RGBU(0x0A), RGBU(0x0B), - RGBU(0x0C), RGBU(0x0D), RGBU(0x0E), RGBU(0x0F), - RGBU(0x10), RGBU(0x11), RGBU(0x12), RGBU(0x13), - RGBU(0x14), RGBU(0x15), RGBU(0x16), RGBU(0x17), - RGBU(0x18), RGBU(0x19), RGBU(0x1A), RGBU(0x1B), - RGBU(0x1C), RGBU(0x1D), RGBU(0x1E), RGBU(0x1F), - RGBU(0x20), RGBU(0x21), RGBU(0x22), RGBU(0x23), - RGBU(0x24), RGBU(0x25), RGBU(0x26), RGBU(0x27), - RGBU(0x28), RGBU(0x29), RGBU(0x2A), RGBU(0x2B), - RGBU(0x2C), RGBU(0x2D), RGBU(0x2E), RGBU(0x2F), - RGBU(0x30), RGBU(0x31), RGBU(0x32), RGBU(0x33), - RGBU(0x34), RGBU(0x35), RGBU(0x36), RGBU(0x37), - RGBU(0x38), RGBU(0x39), RGBU(0x3A), RGBU(0x3B), - RGBU(0x3C), RGBU(0x3D), RGBU(0x3E), RGBU(0x3F), - RGBU(0x40), RGBU(0x41), RGBU(0x42), RGBU(0x43), - RGBU(0x44), RGBU(0x45), RGBU(0x46), RGBU(0x47), - RGBU(0x48), RGBU(0x49), RGBU(0x4A), RGBU(0x4B), - RGBU(0x4C), RGBU(0x4D), RGBU(0x4E), RGBU(0x4F), - RGBU(0x50), RGBU(0x51), RGBU(0x52), RGBU(0x53), - RGBU(0x54), RGBU(0x55), RGBU(0x56), RGBU(0x57), - RGBU(0x58), RGBU(0x59), RGBU(0x5A), RGBU(0x5B), - RGBU(0x5C), RGBU(0x5D), RGBU(0x5E), RGBU(0x5F), - RGBU(0x60), RGBU(0x61), RGBU(0x62), RGBU(0x63), - RGBU(0x64), RGBU(0x65), RGBU(0x66), RGBU(0x67), - RGBU(0x68), RGBU(0x69), RGBU(0x6A), RGBU(0x6B), - RGBU(0x6C), RGBU(0x6D), RGBU(0x6E), RGBU(0x6F), - RGBU(0x70), RGBU(0x71), RGBU(0x72), RGBU(0x73), - RGBU(0x74), RGBU(0x75), RGBU(0x76), RGBU(0x77), - RGBU(0x78), RGBU(0x79), RGBU(0x7A), RGBU(0x7B), - RGBU(0x7C), RGBU(0x7D), RGBU(0x7E), RGBU(0x7F), - RGBU(0x80), RGBU(0x81), RGBU(0x82), RGBU(0x83), - RGBU(0x84), RGBU(0x85), RGBU(0x86), RGBU(0x87), - RGBU(0x88), RGBU(0x89), RGBU(0x8A), RGBU(0x8B), - RGBU(0x8C), RGBU(0x8D), RGBU(0x8E), RGBU(0x8F), - RGBU(0x90), RGBU(0x91), RGBU(0x92), RGBU(0x93), - RGBU(0x94), RGBU(0x95), RGBU(0x96), RGBU(0x97), - RGBU(0x98), RGBU(0x99), RGBU(0x9A), RGBU(0x9B), - RGBU(0x9C), RGBU(0x9D), RGBU(0x9E), RGBU(0x9F), - RGBU(0xA0), RGBU(0xA1), RGBU(0xA2), RGBU(0xA3), - RGBU(0xA4), RGBU(0xA5), RGBU(0xA6), RGBU(0xA7), - RGBU(0xA8), RGBU(0xA9), RGBU(0xAA), RGBU(0xAB), - RGBU(0xAC), RGBU(0xAD), RGBU(0xAE), RGBU(0xAF), - RGBU(0xB0), RGBU(0xB1), RGBU(0xB2), RGBU(0xB3), - RGBU(0xB4), RGBU(0xB5), RGBU(0xB6), RGBU(0xB7), - RGBU(0xB8), RGBU(0xB9), RGBU(0xBA), RGBU(0xBB), - RGBU(0xBC), RGBU(0xBD), RGBU(0xBE), RGBU(0xBF), - RGBU(0xC0), RGBU(0xC1), RGBU(0xC2), RGBU(0xC3), - RGBU(0xC4), RGBU(0xC5), RGBU(0xC6), RGBU(0xC7), - RGBU(0xC8), RGBU(0xC9), RGBU(0xCA), RGBU(0xCB), - RGBU(0xCC), RGBU(0xCD), RGBU(0xCE), RGBU(0xCF), - RGBU(0xD0), RGBU(0xD1), RGBU(0xD2), RGBU(0xD3), - RGBU(0xD4), RGBU(0xD5), RGBU(0xD6), RGBU(0xD7), - RGBU(0xD8), RGBU(0xD9), RGBU(0xDA), RGBU(0xDB), - RGBU(0xDC), RGBU(0xDD), RGBU(0xDE), RGBU(0xDF), - RGBU(0xE0), RGBU(0xE1), RGBU(0xE2), RGBU(0xE3), - RGBU(0xE4), RGBU(0xE5), RGBU(0xE6), RGBU(0xE7), - RGBU(0xE8), RGBU(0xE9), RGBU(0xEA), RGBU(0xEB), - RGBU(0xEC), RGBU(0xED), RGBU(0xEE), RGBU(0xEF), - RGBU(0xF0), RGBU(0xF1), RGBU(0xF2), RGBU(0xF3), - RGBU(0xF4), RGBU(0xF5), RGBU(0xF6), RGBU(0xF7), - RGBU(0xF8), RGBU(0xF9), RGBU(0xFA), RGBU(0xFB), - RGBU(0xFC), RGBU(0xFD), RGBU(0xFE), RGBU(0xFF), -}; - -MMX_ALIGNED(int16 coefficients_RGB_V[256][4]) = { - RGBV(0x00), RGBV(0x01), RGBV(0x02), RGBV(0x03), - RGBV(0x04), RGBV(0x05), RGBV(0x06), RGBV(0x07), - RGBV(0x08), RGBV(0x09), RGBV(0x0A), RGBV(0x0B), - RGBV(0x0C), RGBV(0x0D), RGBV(0x0E), RGBV(0x0F), - RGBV(0x10), RGBV(0x11), RGBV(0x12), RGBV(0x13), - RGBV(0x14), RGBV(0x15), RGBV(0x16), RGBV(0x17), - RGBV(0x18), RGBV(0x19), RGBV(0x1A), RGBV(0x1B), - RGBV(0x1C), RGBV(0x1D), RGBV(0x1E), RGBV(0x1F), - RGBV(0x20), RGBV(0x21), RGBV(0x22), RGBV(0x23), - RGBV(0x24), RGBV(0x25), RGBV(0x26), RGBV(0x27), - RGBV(0x28), RGBV(0x29), RGBV(0x2A), RGBV(0x2B), - RGBV(0x2C), RGBV(0x2D), RGBV(0x2E), RGBV(0x2F), - RGBV(0x30), RGBV(0x31), RGBV(0x32), RGBV(0x33), - RGBV(0x34), RGBV(0x35), RGBV(0x36), RGBV(0x37), - RGBV(0x38), RGBV(0x39), RGBV(0x3A), RGBV(0x3B), - RGBV(0x3C), RGBV(0x3D), RGBV(0x3E), RGBV(0x3F), - RGBV(0x40), RGBV(0x41), RGBV(0x42), RGBV(0x43), - RGBV(0x44), RGBV(0x45), RGBV(0x46), RGBV(0x47), - RGBV(0x48), RGBV(0x49), RGBV(0x4A), RGBV(0x4B), - RGBV(0x4C), RGBV(0x4D), RGBV(0x4E), RGBV(0x4F), - RGBV(0x50), RGBV(0x51), RGBV(0x52), RGBV(0x53), - RGBV(0x54), RGBV(0x55), RGBV(0x56), RGBV(0x57), - RGBV(0x58), RGBV(0x59), RGBV(0x5A), RGBV(0x5B), - RGBV(0x5C), RGBV(0x5D), RGBV(0x5E), RGBV(0x5F), - RGBV(0x60), RGBV(0x61), RGBV(0x62), RGBV(0x63), - RGBV(0x64), RGBV(0x65), RGBV(0x66), RGBV(0x67), - RGBV(0x68), RGBV(0x69), RGBV(0x6A), RGBV(0x6B), - RGBV(0x6C), RGBV(0x6D), RGBV(0x6E), RGBV(0x6F), - RGBV(0x70), RGBV(0x71), RGBV(0x72), RGBV(0x73), - RGBV(0x74), RGBV(0x75), RGBV(0x76), RGBV(0x77), - RGBV(0x78), RGBV(0x79), RGBV(0x7A), RGBV(0x7B), - RGBV(0x7C), RGBV(0x7D), RGBV(0x7E), RGBV(0x7F), - RGBV(0x80), RGBV(0x81), RGBV(0x82), RGBV(0x83), - RGBV(0x84), RGBV(0x85), RGBV(0x86), RGBV(0x87), - RGBV(0x88), RGBV(0x89), RGBV(0x8A), RGBV(0x8B), - RGBV(0x8C), RGBV(0x8D), RGBV(0x8E), RGBV(0x8F), - RGBV(0x90), RGBV(0x91), RGBV(0x92), RGBV(0x93), - RGBV(0x94), RGBV(0x95), RGBV(0x96), RGBV(0x97), - RGBV(0x98), RGBV(0x99), RGBV(0x9A), RGBV(0x9B), - RGBV(0x9C), RGBV(0x9D), RGBV(0x9E), RGBV(0x9F), - RGBV(0xA0), RGBV(0xA1), RGBV(0xA2), RGBV(0xA3), - RGBV(0xA4), RGBV(0xA5), RGBV(0xA6), RGBV(0xA7), - RGBV(0xA8), RGBV(0xA9), RGBV(0xAA), RGBV(0xAB), - RGBV(0xAC), RGBV(0xAD), RGBV(0xAE), RGBV(0xAF), - RGBV(0xB0), RGBV(0xB1), RGBV(0xB2), RGBV(0xB3), - RGBV(0xB4), RGBV(0xB5), RGBV(0xB6), RGBV(0xB7), - RGBV(0xB8), RGBV(0xB9), RGBV(0xBA), RGBV(0xBB), - RGBV(0xBC), RGBV(0xBD), RGBV(0xBE), RGBV(0xBF), - RGBV(0xC0), RGBV(0xC1), RGBV(0xC2), RGBV(0xC3), - RGBV(0xC4), RGBV(0xC5), RGBV(0xC6), RGBV(0xC7), - RGBV(0xC8), RGBV(0xC9), RGBV(0xCA), RGBV(0xCB), - RGBV(0xCC), RGBV(0xCD), RGBV(0xCE), RGBV(0xCF), - RGBV(0xD0), RGBV(0xD1), RGBV(0xD2), RGBV(0xD3), - RGBV(0xD4), RGBV(0xD5), RGBV(0xD6), RGBV(0xD7), - RGBV(0xD8), RGBV(0xD9), RGBV(0xDA), RGBV(0xDB), - RGBV(0xDC), RGBV(0xDD), RGBV(0xDE), RGBV(0xDF), - RGBV(0xE0), RGBV(0xE1), RGBV(0xE2), RGBV(0xE3), - RGBV(0xE4), RGBV(0xE5), RGBV(0xE6), RGBV(0xE7), - RGBV(0xE8), RGBV(0xE9), RGBV(0xEA), RGBV(0xEB), - RGBV(0xEC), RGBV(0xED), RGBV(0xEE), RGBV(0xEF), - RGBV(0xF0), RGBV(0xF1), RGBV(0xF2), RGBV(0xF3), - RGBV(0xF4), RGBV(0xF5), RGBV(0xF6), RGBV(0xF7), - RGBV(0xF8), RGBV(0xF9), RGBV(0xFA), RGBV(0xFB), - RGBV(0xFC), RGBV(0xFD), RGBV(0xFE), RGBV(0xFF), -}; - -#undef RGBY -#undef RGBU -#undef RGBV -#undef MMX_ALIGNED - -#if defined(_MSC_VER) - -// Warning C4799: function has no EMMS instruction. -#pragma warning(disable: 4799) - -__declspec(naked) -void ConvertYV12ToRGB32Row(const uint8* y_buf, - const uint8* u_buf, - const uint8* v_buf, - uint8* rgb_buf, - size_t width) { - __asm { - pushad - mov edx, [esp + 32 + 4] // Y - mov edi, [esp + 32 + 8] // U - mov esi, [esp + 32 + 12] // V - mov ebp, [esp + 32 + 16] // rgb - mov ecx, [esp + 32 + 20] // width - shr ecx, 1 - - wloop : - movzx eax, byte ptr [edi] // NOLINT - add edi, 1 - movzx ebx, byte ptr [esi] // NOLINT - add esi, 1 - movq mm0, [coefficients_RGB_U + 8 * eax] - movzx eax, byte ptr [edx] // NOLINT - paddsw mm0, [coefficients_RGB_V + 8 * ebx] - movzx ebx, byte ptr [edx + 1] // NOLINT - movq mm1, [coefficients_RGB_Y + 8 * eax] - add edx, 2 - movq mm2, [coefficients_RGB_Y + 8 * ebx] - paddsw mm1, mm0 - paddsw mm2, mm0 - psraw mm1, 6 - psraw mm2, 6 - packuswb mm1, mm2 - movntq [ebp], mm1 // NOLINT - add ebp, 8 - sub ecx, 1 - jnz wloop - - popad - ret - } -} - - -#elif defined(__linux) - -void ConvertYV12ToRGB32Row(const uint8* y_buf, - const uint8* u_buf, - const uint8* v_buf, - uint8* rgb_buf, - size_t width) __attribute__((noinline)); - - asm( -"ConvertYV12ToRGB32Row:\n" - "pusha\n" - "mov 0x24(%esp),%edx\n" - "mov 0x28(%esp),%edi\n" - "mov 0x2c(%esp),%esi\n" - "mov 0x30(%esp),%ebp\n" - "mov 0x34(%esp),%ecx\n" - "shr %ecx\n" -"1:\n" - "movzb (%edi),%eax\n" - "add $0x1,%edi\n" - "movzb (%esi),%ebx\n" - "add $0x1,%esi\n" - "movq coefficients_RGB_U(,%eax,8),%mm0\n" - "movzb (%edx),%eax\n" - "paddsw coefficients_RGB_V(,%ebx,8),%mm0\n" - "movzb 0x1(%edx),%ebx\n" - "movq coefficients_RGB_Y(,%eax,8),%mm1\n" - "add $0x2,%edx\n" - "movq coefficients_RGB_Y(,%ebx,8),%mm2\n" - "paddsw %mm0,%mm1\n" - "paddsw %mm0,%mm2\n" - "psraw $0x6,%mm1\n" - "psraw $0x6,%mm2\n" - "packuswb %mm2,%mm1\n" - "movntq %mm1,0x0(%ebp)\n" - "add $0x8,%ebp\n" - "sub $0x1,%ecx\n" - "jne 1b\n" - "popa\n" - "ret\n" -); - -#else - - -void ConvertYV12ToRGB32Row(const uint8* y_buf, - const uint8* u_buf, - const uint8* v_buf, - uint8* rgb_buf, - size_t width) __attribute__((noinline)); - - asm( -"_ConvertYV12ToRGB32Row:\n" - "pusha\n" - "mov 0x24(%esp),%edx\n" - "mov 0x28(%esp),%edi\n" - "mov 0x2c(%esp),%esi\n" - "mov 0x30(%esp),%ebp\n" - "mov 0x34(%esp),%ecx\n" - "shr %ecx\n" - "xor %eax,%eax\n" - "xor %ebx,%ebx\n" -"1:\n" - "movzb (%edi),%eax\n" - "add $0x1,%edi\n" - "movzb (%esi),%ebx\n" - "add $0x1,%esi\n" - "movq _coefficients_RGB_U(,%eax,8),%mm0\n" - "movzb (%edx),%eax\n" - "paddsw _coefficients_RGB_V(,%ebx,8),%mm0\n" - "movzb 0x1(%edx),%ebx\n" - "movq _coefficients_RGB_Y(,%eax,8),%mm1\n" - "add $0x2,%edx\n" - "movq _coefficients_RGB_Y(,%ebx,8),%mm2\n" - "paddsw %mm0,%mm1\n" - "paddsw %mm0,%mm2\n" - "psraw $0x6,%mm1\n" - "psraw $0x6,%mm2\n" - "packuswb %mm2,%mm1\n" - "movntq %mm1,0x0(%ebp)\n" - "add $0x8,%ebp\n" - "sub $0x1,%ecx\n" - "jne 1b\n" - "popa\n" - "ret\n" -); - -#endif // MSC_VER -} // extern "C" - -#else // USE_MMX - -void ConvertYV12ToRGB32Row(const uint8* y_buf, - const uint8* u_buf, - const uint8* v_buf, - uint8* rgb_buf, - size_t width); -#endif - // Convert a frame of YV12 (aka YUV420) to 32 bit ARGB. void ConvertYV12ToRGB32(const uint8* y_buf, const uint8* u_buf, @@ -500,13 +107,7 @@ void ConvertYV12ToRGB32(const uint8* y_buf, d1, width); } -#if USE_MMX -#if defined(_MSC_VER) - __asm emms; -#else - asm("emms"); -#endif -#endif + EMMS(); } // Convert a frame of YV16 (aka YUV422) to 32 bit ARGB. @@ -539,139 +140,7 @@ void ConvertYV16ToRGB32(const uint8* y_buf, d1, width); } -#if USE_MMX -#if defined(_MSC_VER) - __asm emms; -#else - asm("emms"); -#endif -#endif -} - -//------------------------------------------------------------------------------ -// This is pure C code - -#if !USE_MMX - -// Reference version of YUV converter. -static const int kClipTableSize = 256; -static const int kClipOverflow = 128; - -static uint8 g_rgb_clip_table[kClipOverflow - + kClipTableSize - + kClipOverflow] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 128 underflow values - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // cliped to 0. - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, // Unclipped values. - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, - 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, - 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, - 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, - 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, - 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, - 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, - 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, - 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, - 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, - 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, - 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, - 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, - 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, - 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, - 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F, - 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, - 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, - 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, - 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, - 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, - 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, - 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, - 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, - 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, - 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, - 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, - 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // 128 overflow values - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // cliped to 255. - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, -}; - -// Clip an rgb channel value to 0..255 range. -// Source is signed fixed point 8.8. -// Table allows for values to underflow or overflow by 128. -// Therefore source range is -128 to 384. -// Output clips to unsigned 0 to 255. -static inline uint32 clip(int32 value) { - DCHECK(((value >> 8) + kClipOverflow) >= 0); - DCHECK(((value >> 8) + kClipOverflow) < - (kClipOverflow + kClipTableSize + kClipOverflow)); - return static_cast<uint32>(g_rgb_clip_table[((value) >> 8) + kClipOverflow]); -} - - -void ConvertYV12ToRGB32Row(const uint8* y_buf, - const uint8* u_buf, - const uint8* v_buf, - uint8* rgb_buf, - size_t width) { - for (int32 x = 0; x < static_cast<int32>(width); x += 2) { - uint8 u = u_buf[x >> 1]; - uint8 v = v_buf[x >> 1]; - int32 d = static_cast<int32>(u) - 128; - int32 e = static_cast<int32>(v) - 128; - - int32 cb = (516 * d + 128); - int32 cg = (- 100 * d - 208 * e + 128); - int32 cr = (409 * e + 128); - - uint8 y0 = y_buf[x]; - int32 C298a = ((static_cast<int32>(y0) - 16) * 298 + 128); - *reinterpret_cast<uint32*>(rgb_buf) = clip(C298a + cb) | - (clip(C298a + cg) << 8) | - (clip(C298a + cr) << 16) | - 0xff000000; - - uint8 y1 = y_buf[x + 1]; - int32 C298b = ((static_cast<int32>(y1) - 16) * 298 + 128); - *reinterpret_cast<uint32*>(rgb_buf + 4) = clip(C298b + cb) | - (clip(C298b + cg) << 8) | - (clip(C298b + cr) << 16) | - 0xff000000; - - rgb_buf += 8; // Advance 2 pixels. - } + EMMS(); } -#endif - } // namespace media |