Add I422 and I210 functions

Bug: webrtc:13826
Change-Id: I68235a668abecf76133f7b89472b192b1442bed4
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/3557217
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>

3 files changed, 101 insertions, 0 deletions

diff --git a/include/libyuv/convert.h b/include/libyuv/convert.h
index bcdefb5d..5c2954f4 100644
--- a/include/libyuv/convert.h
+++ b/include/libyuv/convert.h
@@ -106,6 +106,23 @@ int I422ToI444(const uint8_t* src_y,
                int width,
                int height);
 
+// Convert I422 to I210.
+LIBYUV_API
+int I422ToI210(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,
+               uint16_t* dst_y,
+               int dst_stride_y,
+               uint16_t* dst_u,
+               int dst_stride_u,
+               uint16_t* dst_v,
+               int dst_stride_v,
+               int width,
+               int height);
+
 // Convert MM21 to NV12.
 LIBYUV_API
 int MM21ToNV12(const uint8_t* src_y,
diff --git a/include/libyuv/planar_functions.h b/include/libyuv/planar_functions.h
index 1037d732..f2007c7d 100644
--- a/include/libyuv/planar_functions.h
+++ b/include/libyuv/planar_functions.h
@@ -352,6 +352,24 @@ int I444Copy(const uint8_t* src_y,
              int width,
              int height);
 
+// Copy I210 to I210.
+#define I210ToI210 I210opy
+LIBYUV_API
+int I210Copy(const uint16_t* src_y,
+             int src_stride_y,
+             const uint16_t* src_u,
+             int src_stride_u,
+             const uint16_t* src_v,
+             int src_stride_v,
+             uint16_t* dst_y,
+             int dst_stride_y,
+             uint16_t* dst_u,
+             int dst_stride_u,
+             uint16_t* dst_v,
+             int dst_stride_v,
+             int width,
+             int height);
+
 // Copy NV12. Supports inverting.
 int NV12Copy(const uint8_t* src_y,
              int src_stride_y,
diff --git a/include/libyuv/scale.h b/include/libyuv/scale.h
index 3d4b6005..f7fb530a 100644
--- a/include/libyuv/scale.h
+++ b/include/libyuv/scale.h
@@ -195,6 +195,72 @@ int I444Scale_12(const uint16_t* src_y,
                  int dst_height,
                  enum FilterMode filtering);
 
+// Scales a YUV 4:2:2 image from the src width and height to the
+// dst width and height.
+// If filtering is kFilterNone, a simple nearest-neighbor algorithm is
+// used. This produces basic (blocky) quality at the fastest speed.
+// If filtering is kFilterBilinear, interpolation is used to produce a better
+// quality image, at the expense of speed.
+// If filtering is kFilterBox, averaging is used to produce ever better
+// quality image, at further expense of speed.
+// Returns 0 if successful.
+LIBYUV_API
+int I422Scale(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,
+              int src_width,
+              int src_height,
+              uint8_t* dst_y,
+              int dst_stride_y,
+              uint8_t* dst_u,
+              int dst_stride_u,
+              uint8_t* dst_v,
+              int dst_stride_v,
+              int dst_width,
+              int dst_height,
+              enum libyuv::FilterMode filtering);
+
+LIBYUV_API
+int I422Scale_16(const uint16_t* src_y,
+                 int src_stride_y,
+                 const uint16_t* src_u,
+                 int src_stride_u,
+                 const uint16_t* src_v,
+                 int src_stride_v,
+                 int src_width,
+                 int src_height,
+                 uint16_t* dst_y,
+                 int dst_stride_y,
+                 uint16_t* dst_u,
+                 int dst_stride_u,
+                 uint16_t* dst_v,
+                 int dst_stride_v,
+                 int dst_width,
+                 int dst_height,
+                 enum libyuv::FilterMode filtering);
+
+LIBYUV_API
+int I422Scale_12(const uint16_t* src_y,
+                 int src_stride_y,
+                 const uint16_t* src_u,
+                 int src_stride_u,
+                 const uint16_t* src_v,
+                 int src_stride_v,
+                 int src_width,
+                 int src_height,
+                 uint16_t* dst_y,
+                 int dst_stride_y,
+                 uint16_t* dst_u,
+                 int dst_stride_u,
+                 uint16_t* dst_v,
+                 int dst_stride_v,
+                 int dst_width,
+                 int dst_height,
+                 enum libyuv::FilterMode filtering);
+
 // Scales an NV12 image from the src width and height to the
 // dst width and height.
 // If filtering is kFilterNone, a simple nearest-neighbor algorithm is