chromeos: decode video into NV12 format instead of RGBA in vaapi decoder

media/gpu/vaapi_wrapper.cc

Index: media/gpu/vaapi_wrapper.cc
diff --git a/media/gpu/vaapi_wrapper.cc b/media/gpu/vaapi_wrapper.cc
index 5146f43651a082ba795c3cd2dcc152fa4527ee3b..ec76e5e4b7f7b3872d889ff5f2379eb9783d4eb6 100644
--- a/media/gpu/vaapi_wrapper.cc
+++ b/media/gpu/vaapi_wrapper.cc
@@ -74,6 +74,8 @@ uint32_t BufferFormatToVAFourCC(gfx::BufferFormat fmt) {
       return VA_FOURCC_UYVY;
     case gfx::BufferFormat::YVU_420:
       return VA_FOURCC_YV12;
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
+      return VA_FOURCC_NV12;
     default:
       NOTREACHED();
       return 0;
@@ -88,6 +90,7 @@ uint32_t BufferFormatToVARTFormat(gfx::BufferFormat fmt) {
     case gfx::BufferFormat::BGRA_8888:
       return VA_RT_FORMAT_RGB32;
     case gfx::BufferFormat::YVU_420:
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
       return VA_RT_FORMAT_YUV420;
     default:
       NOTREACHED();
@@ -642,7 +645,7 @@ scoped_refptr<VASurface> VaapiWrapper::CreateVASurfaceForPixmap(
   va_attrib_extbuf.buffers = fds.data();
   va_attrib_extbuf.num_buffers = fds.size();
 
-  va_attrib_extbuf.flags = 0;
+  va_attrib_extbuf.flags = VA_SURFACE_EXTBUF_DESC_ENABLE_TILING;
   va_attrib_extbuf.private_data = NULL;
 
   std::vector<VASurfaceAttrib> va_attribs(2);