media: Introduce Y8 and Y16 video pixel format

media/base/video_types.cc

Index: media/base/video_types.cc
diff --git a/media/base/video_types.cc b/media/base/video_types.cc
index 5da948562e2dc1c7981b49abde06f0d732f97286..0f2d540a1aaa2fbcaf19bcf31c89c963e217866f 100644
--- a/media/base/video_types.cc
+++ b/media/base/video_types.cc
@@ -60,6 +60,10 @@ std::string VideoPixelFormatToString(VideoPixelFormat format) {
       return "PIXEL_FORMAT_YUV422P12";
     case PIXEL_FORMAT_YUV444P12:
       return "PIXEL_FORMAT_YUV444P12";
+    case PIXEL_FORMAT_Y8:
+      return "PIXEL_FORMAT_Y8";
+    case PIXEL_FORMAT_Y16:
+      return "PIXEL_FORMAT_Y16";
   }
   NOTREACHED() << "Invalid VideoPixelFormat provided: " << format;
   return "";
@@ -94,6 +98,8 @@ bool IsYuvPlanar(VideoPixelFormat format) {
     case PIXEL_FORMAT_RGB24:
     case PIXEL_FORMAT_RGB32:
     case PIXEL_FORMAT_MJPEG:
+    case PIXEL_FORMAT_Y8:
+    case PIXEL_FORMAT_Y16:
       return false;
   }
   return false;
@@ -123,6 +129,8 @@ bool IsOpaque(VideoPixelFormat format) {
     case PIXEL_FORMAT_YUV420P12:
     case PIXEL_FORMAT_YUV422P12:
     case PIXEL_FORMAT_YUV444P12:
+    case PIXEL_FORMAT_Y8:
+    case PIXEL_FORMAT_Y16:
       return true;
     case PIXEL_FORMAT_YV12A:
     case PIXEL_FORMAT_ARGB: