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// 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_DECRYPTOR_H_
#define WEBKIT_MEDIA_CRYPTO_PPAPI_DECRYPTOR_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "media/base/decryptor.h"
namespace base {
class MessageLoopProxy;
}
namespace media {
class DecryptorClient;
}
namespace webkit {
namespace ppapi {
class PluginInstance;
}
}
namespace webkit_media {
// PpapiDecrypor implements media::Decryptor and forwards all calls to the
// PluginInstance.
// This class should always be created on the main renderer thread.
class PpapiDecryptor : public media::Decryptor {
public:
PpapiDecryptor(
media::DecryptorClient* client,
const scoped_refptr<webkit::ppapi::PluginInstance>& plugin_instance);
virtual ~PpapiDecryptor();
// media::Decryptor implementation.
virtual void GenerateKeyRequest(const std::string& key_system,
const uint8* init_data,
int init_data_length) OVERRIDE;
virtual void AddKey(const std::string& key_system,
const uint8* key,
int key_length,
const uint8* init_data,
int init_data_length,
const std::string& session_id) OVERRIDE;
virtual void CancelKeyRequest(const std::string& key_system,
const std::string& session_id) OVERRIDE;
virtual void Decrypt(const scoped_refptr<media::DecoderBuffer>& encrypted,
const DecryptCB& decrypt_cb) OVERRIDE;
virtual void Stop() OVERRIDE;
private:
void ReportFailureToCallPlugin(const std::string& key_system,
const std::string& session_id);
media::DecryptorClient* client_;
scoped_refptr<webkit::ppapi::PluginInstance> cdm_plugin_;
scoped_refptr<base::MessageLoopProxy> render_loop_proxy_;
DISALLOW_COPY_AND_ASSIGN(PpapiDecryptor);
};
} // namespace webkit_media
#endif // WEBKIT_MEDIA_CRYPTO_PPAPI_DECRYPTOR_H_
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