open_cdm_platform_com.h

/*
 * Copyright 2014 Fraunhofer FOKUS
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef MEDIA_CDM_PPAPI_EXTERNAL_OPEN_CDM_CDM_OPEN_CDM_PLATFORM_COM_H_
#define MEDIA_CDM_PPAPI_EXTERNAL_OPEN_CDM_CDM_OPEN_CDM_PLATFORM_COM_H_

#include "media/cdm/ppapi/external_open_cdm/cdm/open_cdm_platform_common.h"
#include "media/cdm/ppapi/external_open_cdm/cdm/open_cdm_platform.h"
#include "media/cdm/ppapi/external_open_cdm/cdm/open_cdm_platform_com_callback_receiver.h"

#include <string>

namespace media {

enum OCDM_COM_STATE {
  UNINITIALIZED = 0,
  INITIALIZED = 1,
  FAULTY = 2,
  ABORTED = 3
};

class OpenCdmPlatformCom : public OpenCdmPlatform {
 public:
  // NEW EME based interface
  // on errors tear down media keys and media key session objects

  // EME equivalent: new MediaKeys()
  virtual MediaKeysResponse MediaKeys(std::string key_system) = 0;

  // EME equivalent: media_keys_.createSession()
  virtual MediaKeysCreateSessionResponse MediaKeysCreateSession(
      const std::string& init_data_type, const uint8_t* init_data,
      int init_data_length) = 0;

  // EME equivalent: media_keys_.loadSession()
  virtual MediaKeysLoadSessionResponse MediaKeysLoadSession(
      uint16_t *session_id_val, uint32_t session_id_len) = 0;

  // EME equivalent: media_key_session_.update()
  virtual MediaKeySessionUpdateResponse MediaKeySessionUpdate(
      const uint8 *pbKey, uint32 cbKey, uint16_t *session_id_val,
      uint32_t session_id_len) = 0;

  // EME equivalent: media_key_session_.release()
  virtual MediaKeySessionReleaseResponse MediaKeySessionRelease(
      uint16_t *session_id_val, uint32_t session_id_len) = 0;

  virtual ~OpenCdmPlatformCom() {
  }
  OpenCdmPlatformCom(OpenCdmPlatformComCallbackReceiver *callback_receiver_);

 protected:
  OpenCdmPlatformCom() {
  }

  OCDM_COM_STATE com_state;

 private:
};
}  // namespace media

#endif  // MEDIA_CDM_PPAPI_EXTERNAL_OPEN_CDM_CDM_OPEN_CDM_PLATFORM_COM_H_