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

media/gpu/vp8_decoder.h

 // 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.
 
 #ifndef MEDIA_GPU_VP8_DECODER_H_
 #define MEDIA_GPU_VP8_DECODER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "media/filters/vp8_parser.h"
 #include "media/gpu/accelerated_video_decoder.h"
 #include "media/gpu/vp8_picture.h"
+#include "ui/gfx/geometry/rect.h"
 
 namespace media {
 
 // Clients of this class are expected to pass raw VP8 stream and are expected
 // to provide an implementation of VP8Accelerator for offloading final steps
 // of the decoding process.
 //
 // This class must be created, called and destroyed on a single thread, and
 // does nothing internally on any other thread.
 class MEDIA_GPU_EXPORT VP8Decoder : public AcceleratedVideoDecoder {
@@ skipping 22 matching lines @@
                               const scoped_refptr<VP8Picture>& last_frame,
                               const scoped_refptr<VP8Picture>& golden_frame,
                               const scoped_refptr<VP8Picture>& alt_frame) = 0;
 
     // Schedule output (display) of |pic|. Note that returning from this
     // method does not mean that |pic| has already been outputted (displayed),
     // but guarantees that all pictures will be outputted in the same order
     // as this method was called for them. Decoder may drop its reference
     // to |pic| after calling this method.
     // Return true if successful.
-    virtual bool OutputPicture(const scoped_refptr<VP8Picture>& pic) = 0;
+    virtual bool OutputPicture(const scoped_refptr<VP8Picture>& pic,
+                               const gfx::Rect& visible_rect) = 0;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(VP8Accelerator);
   };
 
   VP8Decoder(VP8Accelerator* accelerator);
   ~VP8Decoder() override;
 
   // AcceleratedVideoDecoder implementation.
   bool Flush() override WARN_UNUSED_RESULT;
@@ skipping 32 matching lines @@
   int vertical_scale_;
 
   VP8Accelerator* accelerator_;
 
   DISALLOW_COPY_AND_ASSIGN(VP8Decoder);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_GPU_VP8_DECODER_H_