content/browser/media_devices_monitor.cc

   1 // Copyright (c) 2012 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 #include "content/public/browser/media_devices_monitor.h"
   6
   7 #include "content/browser/browser_main_loop.h"
   8 #include "content/browser/renderer_host/media/media_stream_manager.h"
   9 #include "content/public/browser/browser_thread.h"
  10
  11 namespace content {
  12 namespace {
  13 void EnsureMonitorCaptureDevicesInternal(
  14     MediaStreamManager* media_stream_manager) {
  15   media_stream_manager->EnumerateDevices(
  16       NULL, -1, -1, MEDIA_DEVICE_AUDIO_CAPTURE, GURL());
  17 }
  18 }
  19
  20 void EnsureMonitorCaptureDevices() {
  21   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  22
  23   BrowserThread::PostTask(
  24       BrowserThread::IO, FROM_HERE,
  25       base::Bind(&EnsureMonitorCaptureDevicesInternal,
  26                  BrowserMainLoop::GetInstance()->media_stream_manager()));
  27 }
  28
  29 }  // namespace content