Fake video decoder in clearkey CDM.

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/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
+
 namespace media {
 class DecoderBuffer;
 }
 
 namespace webkit_media {
 
 // Clear key implementation of the cdm::ContentDecryptionModule interface.
 class ClearKeyCdm : public cdm::ContentDecryptionModule {
  public:
   explicit ClearKeyCdm(cdm::Allocator* allocator, cdm::CdmHost*);
@@ skipping 63 matching lines @@
                          int init_data_length) OVERRIDE;
 
    private:
     Status status_;
     std::string session_id_;
     scoped_array<uint8> key_message_;
     int key_message_length_;
     std::string default_url_;
   };
 
+#if defined(CLEAR_KEY_CDM_USE_FAKE_VIDEO_DECODER)
+  void GenerateFakeVideoFrame(base::TimeDelta timestamp,
+                              cdm::VideoFrame* video_frame);
+#endif  // CLEAR_KEY_CDM_USE_FAKE_VIDEO_DECODER
+
   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_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_