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/cdm_key_information.h"
  16 #include "media/base/media_keys.h"
  17 #include "url/gurl.h"
  18
  19 #undef IPC_MESSAGE_EXPORT
  20 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  21 #define IPC_MESSAGE_START CdmMsgStart
  22
  23 IPC_ENUM_TRAITS_MAX_VALUE(media::CdmKeyInformation::KeyStatus,
  24                           media::CdmKeyInformation::KEY_STATUS_MAX)
  25 IPC_ENUM_TRAITS_MAX_VALUE(media::MediaKeys::Exception,
  26                           media::MediaKeys::EXCEPTION_MAX)
  27 IPC_ENUM_TRAITS_MAX_VALUE(media::MediaKeys::SessionType,
  28                           media::MediaKeys::SESSION_TYPE_MAX)
  29 IPC_ENUM_TRAITS_MAX_VALUE(media::MediaKeys::MessageType,
  30                           media::MediaKeys::MESSAGE_TYPE_MAX)
  31 IPC_ENUM_TRAITS_MAX_VALUE(CdmHostMsg_CreateSession_InitDataType,
  32                           INIT_DATA_TYPE_MAX)
  33
  34 IPC_STRUCT_BEGIN(CdmHostMsg_InitializeCdm_Params)
  35   IPC_STRUCT_MEMBER(std::string, key_system)
  36   IPC_STRUCT_MEMBER(GURL, security_origin)
  37   IPC_STRUCT_MEMBER(bool, use_hw_secure_codecs)
  38 IPC_STRUCT_END()
  39
  40 IPC_STRUCT_TRAITS_BEGIN(media::CdmKeyInformation)
  41   IPC_STRUCT_TRAITS_MEMBER(key_id)
  42   IPC_STRUCT_TRAITS_MEMBER(status)
  43   IPC_STRUCT_TRAITS_MEMBER(system_code)
  44 IPC_STRUCT_TRAITS_END()
  45
  46 // Parameter structure for CdmHostMsg_CreateSessionAndGenerateRequest.
  47 IPC_STRUCT_BEGIN(CdmHostMsg_CreateSessionAndGenerateRequest_Params)
  48   IPC_STRUCT_MEMBER(int, render_frame_id)
  49   IPC_STRUCT_MEMBER(int, cdm_id)
  50   IPC_STRUCT_MEMBER(uint32_t, promise_id)
  51   IPC_STRUCT_MEMBER(media::MediaKeys::SessionType, session_type)
  52   IPC_STRUCT_MEMBER(CdmHostMsg_CreateSession_InitDataType, init_data_type)
  53   IPC_STRUCT_MEMBER(std::vector<uint8_t>, init_data)
  54 IPC_STRUCT_END()
  55
  56
  57 // Messages from render to browser.
  58
  59 IPC_MESSAGE_CONTROL4(CdmHostMsg_InitializeCdm,
  60                      int /* render_frame_id */,
  61                      int /* cdm_id */,
  62                      uint32_t /* promise_id */,
  63                      CdmHostMsg_InitializeCdm_Params /* params */)
  64
  65 IPC_MESSAGE_CONTROL4(CdmHostMsg_SetServerCertificate,
  66                      int /* render_frame_id */,
  67                      int /* cdm_id */,
  68                      uint32_t /* promise_id */,
  69                      std::vector<uint8_t> /* certificate */)
  70
  71 IPC_MESSAGE_CONTROL1(CdmHostMsg_CreateSessionAndGenerateRequest,
  72                      CdmHostMsg_CreateSessionAndGenerateRequest_Params)
  73
  74 IPC_MESSAGE_CONTROL5(CdmHostMsg_LoadSession,
  75                      int /* render_frame_id */,
  76                      int /* cdm_id */,
  77                      uint32_t /* promise_id */,
  78                      media::MediaKeys::SessionType /* session_type */,
  79                      std::string /* session_id */)
  80
  81 IPC_MESSAGE_CONTROL5(CdmHostMsg_UpdateSession,
  82                      int /* render_frame_id */,
  83                      int /* cdm_id */,
  84                      uint32_t /* promise_id */,
  85                      std::string /* session_id */,
  86                      std::vector<uint8_t> /* response */)
  87
  88 IPC_MESSAGE_CONTROL4(CdmHostMsg_CloseSession,
  89                      int /* render_frame_id */,
  90                      int /* cdm_id */,
  91                      uint32_t /* promise_id */,
  92                      std::string /* session_id */)
  93
  94 IPC_MESSAGE_CONTROL4(CdmHostMsg_RemoveSession,
  95                      int /* render_frame_id */,
  96                      int /* cdm_id */,
  97                      uint32_t /* promise_id */,
  98                      std::string /* session_id */)
  99
 100 IPC_MESSAGE_CONTROL2(CdmHostMsg_DestroyCdm,
 101                      int /* render_frame_id */,
 102                      int /* cdm_id */)
 103
 104 // Messages from browser to render.
 105
 106 IPC_MESSAGE_ROUTED5(CdmMsg_SessionMessage,
 107                     int /* cdm_id */,
 108                     std::string /* session_id */,
 109                     media::MediaKeys::MessageType /* message_type */,
 110                     std::vector<uint8_t> /* message */,
 111                     GURL /* legacy_destination_url */)
 112
 113 IPC_MESSAGE_ROUTED2(CdmMsg_SessionClosed,
 114                     int /* cdm_id */,
 115                     std::string /* session_id */)
 116
 117 IPC_MESSAGE_ROUTED5(CdmMsg_LegacySessionError,
 118                     int /* cdm_id */,
 119                     std::string /* session_id */,
 120                     media::MediaKeys::Exception /* exception_code */,
 121                     uint32_t /* system_code */,
 122                     std::string /* error_message */)
 123
 124 IPC_MESSAGE_ROUTED4(CdmMsg_SessionKeysChange,
 125                     int /* cdm_id */,
 126                     std::string /* session_id */,
 127                     bool /* has_additional_usable_key */,
 128                     std::vector<media::CdmKeyInformation> /* keys_info */)
 129
 130 IPC_MESSAGE_ROUTED3(CdmMsg_SessionExpirationUpdate,
 131                     int /* cdm_id */,
 132                     std::string /* session_id */,
 133                     base::Time /* new_expiry_time */)
 134
 135 IPC_MESSAGE_ROUTED2(CdmMsg_ResolvePromise,
 136                     int /* cdm_id */,
 137                     uint32_t /* promise_id */)
 138
 139 IPC_MESSAGE_ROUTED3(CdmMsg_ResolvePromiseWithSession,
 140                     int /* cdm_id */,
 141                     uint32_t /* promise_id */,
 142                     std::string /* session_id */)
 143
 144 IPC_MESSAGE_ROUTED5(CdmMsg_RejectPromise,
 145                     int /* cdm_id */,
 146                     uint32_t /* promise_id */,
 147                     media::MediaKeys::Exception /* exception */,
 148                     uint32_t /* system_code */,
 149                     std::string /* error_message */)