chrome/common/encrypted_media_messages_android.h

   1 // Copyright 2013 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 EME on android.
   6 // Multiply-included message file, hence no include guard.
   7
   8 #include <vector>
   9
  10 #include "ipc/ipc_message_macros.h"
  11
  12 // Singly-included section for enums and custom IPC traits.
  13 #ifndef CHROME_COMMON_ENCRYPTED_MEDIA_MESSAGES_ANDROID_H
  14 #define CHROME_COMMON_ENCRYPTED_MEDIA_MESSAGES_ANDROID_H
  15
  16 namespace android {
  17
  18 // Defines bitmask values used to specify supported codecs.
  19 // Each value represents a codec within a specific container.
  20 enum SupportedCodecs {
  21   NO_SUPPORTED_CODECS = 0,
  22   WEBM_VP8_AND_VORBIS = 1 << 0,
  23   MP4_AAC = 1 << 1,
  24   MP4_AVC1 = 1 << 2,
  25 };
  26
  27 }  // namespace android
  28
  29 #endif  // CHROME_COMMON_ENCRYPTED_MEDIA_MESSAGES_ANDROID_H
  30
  31
  32 #define IPC_MESSAGE_START EncryptedMediaMsgStart
  33
  34 IPC_ENUM_TRAITS(android::SupportedCodecs)
  35
  36 IPC_STRUCT_BEGIN(SupportedKeySystemRequest)
  37   IPC_STRUCT_MEMBER(std::string, key_system)
  38   IPC_STRUCT_MEMBER(android::SupportedCodecs, codecs,
  39                     android::NO_SUPPORTED_CODECS)
  40 IPC_STRUCT_END()
  41
  42 IPC_STRUCT_BEGIN(SupportedKeySystemResponse)
  43   IPC_STRUCT_MEMBER(std::string, key_system)
  44   IPC_STRUCT_MEMBER(android::SupportedCodecs, compositing_codecs,
  45                     android::NO_SUPPORTED_CODECS)
  46   IPC_STRUCT_MEMBER(android::SupportedCodecs, non_compositing_codecs,
  47                     android::NO_SUPPORTED_CODECS)
  48 IPC_STRUCT_END()
  49
  50 // Messages sent from the renderer to the browser.
  51
  52 // Synchronously get a list of supported EME key systems.
  53 IPC_SYNC_MESSAGE_CONTROL1_1(
  54     ChromeViewHostMsg_GetSupportedKeySystems,
  55     SupportedKeySystemRequest /* key system information request */,
  56     SupportedKeySystemResponse /* key system information response */)