VTVDA: Optimize pic_order_cnt_type == 2.

media/gpu/vt_video_decode_accelerator_mac.h

 // Copyright 2014 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_VT_VIDEO_DECODE_ACCELERATOR_MAC_H_
 #define MEDIA_GPU_VT_VIDEO_DECODE_ACCELERATOR_MAC_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 84 matching lines @@
   struct Frame {
     explicit Frame(int32_t bitstream_id);
     ~Frame();
 
     // Associated bitstream buffer.
     int32_t bitstream_id;
 
     // Slice header information.
     bool has_slice = false;
     bool is_idr = false;
+    bool has_mmco5 = false;
     int32_t pic_order_cnt = 0;
     int32_t reorder_window = 0;
 
     // Clean aperture size, as computed by CoreMedia.
     gfx::Size image_size;
 
     // Decoded image, if decoding was successful.
     base::ScopedCFTypeRef<CVImageBufferRef> image;
   };
 
@@ skipping 162 matching lines @@
   // Declared last to ensure that all weak pointers are invalidated before
   // other destructors run.
   base::WeakPtrFactory<VTVideoDecodeAccelerator> weak_this_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VTVideoDecodeAccelerator);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_GPU_VT_VIDEO_DECODE_ACCELERATOR_MAC_H_