Add CDM video decoder.

webkit/media/crypto/ppapi/clear_key_cdm.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 WEBKIT_MEDIA_CRYPTO_PPAPI_CLEAR_KEY_CDM_H_
 #define WEBKIT_MEDIA_CRYPTO_PPAPI_CLEAR_KEY_CDM_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "media/base/decryptor_client.h"
 #include "media/crypto/aes_decryptor.h"
 #include "webkit/media/crypto/ppapi/content_decryption_module.h"
 
 // Enable this to use the fake decoder for testing.
 // #define CLEAR_KEY_CDM_USE_FAKE_VIDEO_DECODER
 
+#if defined(CLEAR_KEY_CDM_USE_FAKE_VIDEO_DECODER)
+#undef CLEAR_KEY_CDM_USE_FFMPEG_DECODER
+#endif
+
 namespace media {
 class DecoderBuffer;
 }
 
 namespace webkit_media {
 
+class FFmpegCdmVideoDecoder;
+
 // Clear key implementation of the cdm::ContentDecryptionModule interface.
 class ClearKeyCdm : public cdm::ContentDecryptionModule {
  public:
   explicit ClearKeyCdm(cdm::Allocator* allocator, cdm::CdmHost*);
   virtual ~ClearKeyCdm();
 
   // ContentDecryptionModule implementation.
   virtual cdm::Status GenerateKeyRequest(
       const uint8_t* init_data,
       int init_data_size,
@@ skipping 76 matching lines @@
 
   Client client_;
   media::AesDecryptor decryptor_;
 
   // Protects the |client_| from being accessed by the |decryptor_|
   // simultaneously.
   base::Lock client_lock_;
 
   cdm::Allocator* const allocator_;
 
+#if defined(CLEAR_KEY_CDM_USE_FFMPEG_DECODER)
+  scoped_ptr<FFmpegCdmVideoDecoder> video_decoder_;
+#endif
+
 #if defined(CLEAR_KEY_CDM_USE_FAKE_VIDEO_DECODER)
   cdm::Size video_size_;
 #endif  // CLEAR_KEY_CDM_USE_FAKE_VIDEO_DECODER
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_CRYPTO_PPAPI_CLEAR_KEY_CDM_H_