content/common/media/aec_dump_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 the AEC dump.
   6 // Multiply-included message file, hence no include guard.
   7
   8 #include "content/common/content_export.h"
   9 #include "ipc/ipc_message_macros.h"
  10 #include "ipc/ipc_platform_file.h"
  11
  12 #undef IPC_MESSAGE_EXPORT
  13 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  14 #define IPC_MESSAGE_START AecDumpMsgStart
  15
  16 // Messages sent from the browser to the renderer.
  17
  18 // The browser hands over a file handle to the consumer in the renderer
  19 // identified by |id| to use for AEC dump.
  20 IPC_MESSAGE_CONTROL2(AecDumpMsg_EnableAecDump,
  21                      int /* id */,
  22                      IPC::PlatformFileForTransit /* file_handle */)
  23
  24 // Tell the renderer to disable AEC dump in all consumers.
  25 IPC_MESSAGE_CONTROL0(AecDumpMsg_DisableAecDump)
  26
  27 // Messages sent from the renderer to the browser.
  28
  29 // Registers a consumer with the browser. The consumer will then get a file
  30 // handle when the dump is enabled.
  31 IPC_MESSAGE_CONTROL1(AecDumpMsg_RegisterAecDumpConsumer,
  32                      int /* id */)
  33
  34 // Unregisters a consumer with the browser.
  35 IPC_MESSAGE_CONTROL1(AecDumpMsg_UnregisterAecDumpConsumer,
  36                      int /* id */)