yuy2 to rgb gcc versions

read in read function for yuv conversion

R=harryjin@google.com
BUG=libyuv:488

Review URL: https://codereview.chromium.org/1355393002 .

include/libyuv/row.h

@@ -127,8 +127,6 @@ extern "C" {
 #define HAS_MIRRORUVROW_SSSE3
 #define HAS_NV12TOARGBROW_SSSE3
 #define HAS_NV12TORGB565ROW_SSSE3
-#define HAS_NV21TOARGBROW_SSSE3
-#define HAS_NV21TORGB565ROW_SSSE3
 #define HAS_RAWTOARGBROW_SSSE3
 #define HAS_RAWTOYROW_SSSE3
 #define HAS_RGB24TOARGBROW_SSSE3
@@ -209,8 +207,6 @@ extern "C" {
 #define HAS_J400TOARGBROW_AVX2
 #define HAS_NV12TOARGBROW_AVX2
 #define HAS_NV12TORGB565ROW_AVX2
-#define HAS_NV21TOARGBROW_AVX2
-#define HAS_NV21TORGB565ROW_AVX2
 #define HAS_RGB565TOARGBROW_AVX2
 #endif
 
@@ -321,8 +317,6 @@ extern "C" {
 #define HAS_MIRRORUVROW_NEON
 #define HAS_NV12TOARGBROW_NEON
 #define HAS_NV12TORGB565ROW_NEON
-#define HAS_NV21TOARGBROW_NEON
-#define HAS_NV21TORGB565ROW_NEON
 #define HAS_RAWTOARGBROW_NEON
 #define HAS_RAWTOUVROW_NEON
 #define HAS_RAWTOYROW_NEON
@@ -1068,11 +1062,6 @@ void NV12ToARGBRow_C(const uint8* src_y,
                      uint8* dst_argb,
                      struct YuvConstants* yuvconstants,
                      int width);
-void NV21ToRGB565Row_C(const uint8* src_y,
-                       const uint8* src_vu,
-                       uint8* dst_argb,
-                       struct YuvConstants* yuvconstants,
-                       int width);
 void NV12ToRGB565Row_C(const uint8* src_y,
                        const uint8* src_uv,
                        uint8* dst_argb,
@@ -1433,21 +1422,11 @@ void NV12ToARGBRow_Any_SSSE3(const uint8* src_y,
                              uint8* dst_argb,
                              struct YuvConstants* yuvconstants,
                              int width);
-void NV21ToARGBRow_Any_SSSE3(const uint8* src_y,
-                             const uint8* src_vu,
-                             uint8* dst_argb,
-                             struct YuvConstants* yuvconstants,
-                             int width);
 void NV12ToARGBRow_Any_AVX2(const uint8* src_y,
                             const uint8* src_uv,
                             uint8* dst_argb,
                             struct YuvConstants* yuvconstants,
                             int width);
-void NV21ToARGBRow_Any_AVX2(const uint8* src_y,
-                            const uint8* src_vu,
-                            uint8* dst_argb,
-                            struct YuvConstants* yuvconstants,
-                            int width);
 void NV12ToRGB565Row_Any_SSSE3(const uint8* src_y,
                                const uint8* src_uv,
                                uint8* dst_argb,

source/row_common.cc

@@ -2476,48 +2476,6 @@ void NV12ToRGB565Row_SSSE3(const uint8* src_y,
 }
 #endif
 
-#if defined(HAS_YUY2TOARGBROW_SSSE3)
-void YUY2ToARGBRow_SSSE3(const uint8* src_yuy2,
-                         uint8* dst_argb,
-                         struct YuvConstants* yuvconstants,
-                         int width) {
-  // Row buffers for intermediate YUV pixels.
-  SIMD_ALIGNED(uint8 row_y[MAXTWIDTH]);
-  SIMD_ALIGNED(uint8 row_u[MAXTWIDTH / 2]);
-  SIMD_ALIGNED(uint8 row_v[MAXTWIDTH / 2]);
-  while (width > 0) {
-    int twidth = width > MAXTWIDTH ? MAXTWIDTH : width;
-    YUY2ToUV422Row_SSE2(src_yuy2, row_u, row_v, twidth);
-    YUY2ToYRow_SSE2(src_yuy2, row_y, twidth);
-    I422ToARGBRow_SSSE3(row_y, row_u, row_v, dst_argb, yuvconstants, twidth);
-    src_yuy2 += twidth * 2;
-    dst_argb += twidth * 4;
-    width -= twidth;
-  }
-}
-#endif
-
-#if defined(HAS_UYVYTOARGBROW_SSSE3)
-void UYVYToARGBRow_SSSE3(const uint8* src_uyvy,
-                         uint8* dst_argb,
-                         struct YuvConstants* yuvconstants,
-                         int width) {
-  // Row buffers for intermediate YUV pixels.
-  SIMD_ALIGNED(uint8 row_y[MAXTWIDTH]);
-  SIMD_ALIGNED(uint8 row_u[MAXTWIDTH / 2]);
-  SIMD_ALIGNED(uint8 row_v[MAXTWIDTH / 2]);
-  while (width > 0) {
-    int twidth = width > MAXTWIDTH ? MAXTWIDTH : width;
-    UYVYToUV422Row_SSE2(src_uyvy, row_u, row_v, twidth);
-    UYVYToYRow_SSE2(src_uyvy, row_y, twidth);
-    I422ToARGBRow_SSSE3(row_y, row_u, row_v, dst_argb, yuvconstants, twidth);
-    src_uyvy += twidth * 2;
-    dst_argb += twidth * 4;
-    width -= twidth;
-  }
-}
-#endif  // !defined(LIBYUV_DISABLE_X86)
-
 #if defined(HAS_I422TORGB565ROW_AVX2)
 void I422ToRGB565Row_AVX2(const uint8* src_y,
                           const uint8* src_u,