content/common/media/cdm_messages.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // IPC messages for content decryption module (CDM) implementation.
   6 // Multiply-included message file, hence no include guard.
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "content/common/content_export.h"
  13 #include "content/common/media/cdm_messages_enums.h"
  14 #include "ipc/ipc_message_macros.h"
  15 #include "media/base/media_keys.h"
  16 #include "url/gurl.h"
  17
  18 #undef IPC_MESSAGE_EXPORT
  19 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  20 #define IPC_MESSAGE_START CdmMsgStart
  21
  22 IPC_ENUM_TRAITS(media::MediaKeys::KeyError)
  23 IPC_ENUM_TRAITS_MAX_VALUE(CdmHostMsg_CreateSession_ContentType,
  24                           CREATE_SESSION_TYPE_LAST)
  25
  26 // Messages from render to browser.
  27
  28 IPC_MESSAGE_CONTROL4(CdmHostMsg_InitializeCdm,
  29                      int /* render_frame_id */,
  30                      int /* cdm_id */,
  31                      std::string /* key_system */,
  32                      GURL /* security_origin */)
  33
  34 IPC_MESSAGE_CONTROL5(CdmHostMsg_CreateSession,
  35                      int /* render_frame_id */,
  36                      int /* cdm_id */,
  37                      uint32_t /* session_id */,
  38                      CdmHostMsg_CreateSession_ContentType /* content_type */,
  39                      std::vector<uint8> /* init_data */)
  40
  41 IPC_MESSAGE_CONTROL4(CdmHostMsg_UpdateSession,
  42                      int /* render_frame_id */,
  43                      int /* cdm_id */,
  44                      uint32_t /* session_id */,
  45                      std::vector<uint8> /* response */)
  46
  47 IPC_MESSAGE_CONTROL3(CdmHostMsg_ReleaseSession,
  48                      int /* render_frame_id */,
  49                      int /* cdm_id */,
  50                      uint32_t /* session_id */)
  51
  52 IPC_MESSAGE_CONTROL2(CdmHostMsg_DestroyCdm,
  53                      int /* render_frame_id */,
  54                      int /* cdm_id */)
  55
  56 // Messages from browser to render.
  57
  58 IPC_MESSAGE_ROUTED3(CdmMsg_SessionCreated,
  59                     int /* cdm_id */,
  60                     uint32_t /* session_id */,
  61                     std::string /* web_session_id */)
  62
  63 IPC_MESSAGE_ROUTED4(CdmMsg_SessionMessage,
  64                     int /* cdm_id */,
  65                     uint32_t /* session_id */,
  66                     std::vector<uint8> /* message */,
  67                     GURL /* destination_url */)
  68
  69 IPC_MESSAGE_ROUTED2(CdmMsg_SessionReady,
  70                     int /* cdm_id */,
  71                     uint32_t /* session_id */)
  72
  73 IPC_MESSAGE_ROUTED2(CdmMsg_SessionClosed,
  74                     int /* cdm_id */,
  75                     uint32_t /* session_id */)
  76
  77 IPC_MESSAGE_ROUTED4(CdmMsg_SessionError,
  78                     int /* cdm_id */,
  79                     uint32_t /* session_id */,
  80                     media::MediaKeys::KeyError /* error_code */,
  81                     uint32_t /* system_code */)