ARGBToY use 8 bit precision instead of 7 bit.

Neon and GCC Intel optimized, but win32 and mips not optimized.

BUG=libyuv:842, b/141482243

Change-Id: Ia56fa85c8cc1db51f374bd0c89b56d21ec94afa7
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/1825642
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Miguel Casas <mcasas@chromium.org>
Reviewed-by: richard winterton <rrwinterton@gmail.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/source/convert_from.cc b/source/convert_from.cc
index dc25d4fe..0c95f1f2 100644
--- a/source/convert_from.cc
+++ b/source/convert_from.cc
@@ -764,6 +764,42 @@ int I420ToRAW(const uint8_t* src_y,
                            width, height);
 }
 
+// Convert J420 to RGB24.
+LIBYUV_API
+int J420ToRGB24(const uint8_t* src_y,
+                int src_stride_y,
+                const uint8_t* src_u,
+                int src_stride_u,
+                const uint8_t* src_v,
+                int src_stride_v,
+                uint8_t* dst_rgb24,
+                int dst_stride_rgb24,
+                int width,
+                int height) {
+  return I420ToRGB24Matrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
+                           src_stride_v, dst_rgb24, dst_stride_rgb24,
+                           &kYuvJPEGConstants, width, height);
+}
+
+// Convert J420 to RAW.
+LIBYUV_API
+int J420ToRAW(const uint8_t* src_y,
+              int src_stride_y,
+              const uint8_t* src_u,
+              int src_stride_u,
+              const uint8_t* src_v,
+              int src_stride_v,
+              uint8_t* dst_raw,
+              int dst_stride_raw,
+              int width,
+              int height) {
+  return I420ToRGB24Matrix(src_y, src_stride_y, src_v,
+                           src_stride_v,  // Swap U and V
+                           src_u, src_stride_u, dst_raw, dst_stride_raw,
+                           &kYvuJPEGConstants,  // Use Yvu matrix
+                           width, height);
+}
+
 // Convert H420 to RGB24.
 LIBYUV_API
 int H420ToRGB24(const uint8_t* src_y,