V4L2SVDA/VAAPIVDA: use visible size from decoder and pass to client

media/gpu/h264_decoder.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 <algorithm>
 #include <limits>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback_helpers.h"
@@ skipping 655 matching lines @@
     DVLOG(4) << "Skipping output, non-existing frame_num: " << pic->frame_num;
     return;
   }
 
   DVLOG_IF(1, pic->pic_order_cnt < last_output_poc_)
       << "Outputting out of order, likely a broken stream: "
       << last_output_poc_ << " -> " << pic->pic_order_cnt;
   last_output_poc_ = pic->pic_order_cnt;
 
   DVLOG(4) << "Posting output task for POC: " << pic->pic_order_cnt;
-  accelerator_->OutputPicture(pic);
+  accelerator_->OutputPicture(pic, visible_rect_);
 }
 
 void H264Decoder::ClearDPB() {
   // Clear DPB contents, marking the pictures as unused first.
   dpb_.Clear();
   last_output_poc_ = std::numeric_limits<int>::min();
 }
 
 bool H264Decoder::OutputAllRemainingPics() {
   // Output all pictures that are waiting to be outputted.
@@ skipping 399 matching lines @@
     DVLOG(1) << "frame_mbs_only_flag != 1 not supported";
     return false;
   }
 
   gfx::Size new_pic_size = sps->GetCodedSize().value_or(gfx::Size());
   if (new_pic_size.IsEmpty()) {
     DVLOG(1) << "Invalid picture size";
     return false;
   }
 
+  gfx::Rect new_visible_rect = sps->GetVisibleRect().value_or(gfx::Rect());
+  if (visible_rect_ != new_visible_rect) {
+    DVLOG(1) << "New visible rect: " << new_visible_rect.ToString();
+    visible_rect_ = new_visible_rect;
+  }
+
   int width_mb = new_pic_size.width() / 16;
   int height_mb = new_pic_size.height() / 16;
 
   // Verify that the values are not too large before multiplying.
   if (std::numeric_limits<int>::max() / width_mb < height_mb) {
     DVLOG(1) << "Picture size is too big: " << new_pic_size.ToString();
     return false;
   }
 
   int level = sps->level_idc;
@@ skipping 321 matching lines @@
 
 gfx::Size H264Decoder::GetPicSize() const {
   return pic_size_;
 }
 
 size_t H264Decoder::GetRequiredNumOfPictures() const {
   return dpb_.max_num_pics() + kPicsInPipeline;
 }
 
 }  // namespace media