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

media/gpu/vaapi_video_decode_accelerator.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/gpu/vaapi_video_decode_accelerator.h"
 
 #include <string.h>
 
 #include <memory>
 
@@ skipping 23 matching lines @@
 
 namespace {
 // UMA errors that the VaapiVideoDecodeAccelerator class reports.
 enum VAVDADecoderFailure {
   VAAPI_ERROR = 0,
   VAVDA_DECODER_FAILURES_MAX,
 };
 
 // Buffer format to use for output buffers backing PictureBuffers. This is the
 // format decoded frames in VASurfaces are converted into.
-const gfx::BufferFormat kAllocatePictureFormat = gfx::BufferFormat::BGRA_8888;
+const gfx::BufferFormat kAllocatePictureFormat =
+    gfx::BufferFormat::YUV_420_BIPLANAR;
+
 const gfx::BufferFormat kImportPictureFormat = gfx::BufferFormat::YVU_420;
 }
 
 static void ReportToUMA(VAVDADecoderFailure failure) {
   UMA_HISTOGRAM_ENUMERATION("Media.VAVDA.DecoderFailure", failure,
                             VAVDA_DECODER_FAILURES_MAX + 1);
 }
 
 #define RETURN_AND_NOTIFY_ON_FAILURE(result, log, error_code, ret) \
   do {                                                             \
@@ skipping 636 matching lines @@
 
 static VideoPixelFormat BufferFormatToVideoPixelFormat(
     gfx::BufferFormat format) {
   switch (format) {
     case gfx::BufferFormat::BGRA_8888:
       return PIXEL_FORMAT_ARGB;
 
     case gfx::BufferFormat::YVU_420:
       return PIXEL_FORMAT_YV12;
 
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
+      return PIXEL_FORMAT_NV12;
+
     default:
       LOG(FATAL) << "Add more cases as needed";
       return PIXEL_FORMAT_UNKNOWN;
   }
 }
 
 void VaapiVideoDecodeAccelerator::TryFinishSurfaceSetChange() {
   DCHECK(task_runner_->BelongsToCurrentThread());
 
   if (!awaiting_va_surfaces_recycle_)
@@ skipping 1192 matching lines @@
   return vaapi_pic->dec_surface();
 }
 
 // static
 VideoDecodeAccelerator::SupportedProfiles
 VaapiVideoDecodeAccelerator::GetSupportedProfiles() {
   return VaapiWrapper::GetSupportedDecodeProfiles();
 }
 
 }  // namespace media