Fix input frames being dropped when the h.264 DXVA decoder detects a configuration change.

content/common/gpu/media/dxva_video_decode_accelerator_win.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <d3d11.h>
 #include <d3d9.h>
 #include <stdint.h>
@@ skipping 74 matching lines @@
 // from any other.
 class CONTENT_EXPORT DXVAVideoDecodeAccelerator
     : public media::VideoDecodeAccelerator {
  public:
   enum State {
     kUninitialized,               // un-initialized.
     kNormal,                      // normal playing state.
     kResetting,                   // upon received Reset(), before ResetDone()
     kStopped,                     // upon output EOS received.
     kFlushing,                    // upon flush request received.
+    kConfigChange,                // stream configuration change detected.
   };
 
   // Does not take ownership of |client| which must outlive |*this|.
   DXVAVideoDecodeAccelerator(
       const base::Callback<bool(void)>& make_context_current,
       gfx::GLContext* gl_context,
       bool enable_accelerated_vpx_decode);
   ~DXVAVideoDecodeAccelerator() override;
 
   // media::VideoDecodeAccelerator implementation.
@@ skipping 193 matching lines @@
   // Checks if the resolution, bitrate etc of the stream changed. We do this
   // by keeping track of the SPS/PPS frames and if they change we assume
   // that the configuration changed.
   // Returns S_OK or S_FALSE on succcess.
   // The |config_changed| parameter is set to true if we detect a change in the
   // stream.
   HRESULT CheckConfigChanged(IMFSample* sample, bool* config_changed);
 
   // Called when we detect a stream configuration change. We reinitialize the
   // decoder here.
-  void ConfigChanged(const Config& config,
-                     const base::win::ScopedComPtr<IMFSample>& input_sample);
+  void ConfigChanged(const Config& config);
 
   // To expose client callbacks from VideoDecodeAccelerator.
   media::VideoDecodeAccelerator::Client* client_;
 
   base::win::ScopedComPtr<IMFTransform> decoder_;
   base::win::ScopedComPtr<IMFTransform> video_format_converter_mft_;
 
   base::win::ScopedComPtr<IDirect3D9Ex> d3d9_;
   base::win::ScopedComPtr<IDirect3DDevice9Ex> d3d9_device_ex_;
   base::win::ScopedComPtr<IDirect3DDeviceManager9> device_manager_;
@@ skipping 136 matching lines @@
 
   // Function pointer for the MFCreateDXGIDeviceManager API.
   static CreateDXGIDeviceManager create_dxgi_device_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(DXVAVideoDecodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_