VP8Decoder: Honor show_frame stream element.

content/common/gpu/media/vp8_decoder.cc

 // Copyright 2015 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 "content/common/gpu/media/vp8_decoder.h"
 #include "media/base/limits.h"
 
 namespace content {
 
 VP8Decoder::VP8Accelerator::VP8Accelerator() {
@@ skipping 153 matching lines @@
     curr_frame_hdr_->width = pic_size_.width();
     curr_frame_hdr_->height = pic_size_.height();
     curr_frame_hdr_->horizontal_scale = horizontal_scale_;
     curr_frame_hdr_->vertical_scale = vertical_scale_;
   }
 
   if (!accelerator_->SubmitDecode(curr_pic_, curr_frame_hdr_.get(), last_frame_,
                                   golden_frame_, alt_frame_))
     return false;
 
-  if (!accelerator_->OutputPicture(curr_pic_))
-    return false;
+  if (curr_frame_hdr_->show_frame)
+    if (!accelerator_->OutputPicture(curr_pic_))
+      return false;
 
   RefreshReferenceFrames();
 
   curr_pic_ = nullptr;
   curr_frame_hdr_ = nullptr;
   curr_frame_start_ = nullptr;
   frame_size_ = 0;
   return true;
 }
 
 size_t VP8Decoder::GetRequiredNumOfPictures() const {
   const size_t kVP8NumFramesActive = 4;
   const size_t kPicsInPipeline = media::limits::kMaxVideoFrames + 2;
   return kVP8NumFramesActive + kPicsInPipeline;
 }
 
 }  // namespace content