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Issue 10909271: Adds COM init to AudioManager thread for Windows (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Removed Stop() call in ctor Created 8 years, 3 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "media/audio/win/audio_low_latency_input_win.h" 5 #include "media/audio/win/audio_low_latency_input_win.h"
6 6
7 #include "base/logging.h" 7 #include "base/logging.h"
8 #include "base/memory/scoped_ptr.h" 8 #include "base/memory/scoped_ptr.h"
9 #include "base/utf_string_conversions.h" 9 #include "base/utf_string_conversions.h"
10 #include "media/audio/audio_util.h" 10 #include "media/audio/audio_util.h"
11 #include "media/audio/win/audio_manager_win.h" 11 #include "media/audio/win/audio_manager_win.h"
12 #include "media/audio/win/avrt_wrapper_win.h" 12 #include "media/audio/win/avrt_wrapper_win.h"
13 13
14 using base::win::ScopedComPtr; 14 using base::win::ScopedComPtr;
15 using base::win::ScopedCOMInitializer; 15 using base::win::ScopedCOMInitializer;
16 16
17 namespace media { 17 namespace media {
18 18
19 WASAPIAudioInputStream::WASAPIAudioInputStream( 19 WASAPIAudioInputStream::WASAPIAudioInputStream(
20 AudioManagerWin* manager, const AudioParameters& params, 20 AudioManagerWin* manager, const AudioParameters& params,
21 const std::string& device_id) 21 const std::string& device_id)
22 : com_init_(ScopedCOMInitializer::kMTA), 22 : manager_(manager),
23 manager_(manager),
24 capture_thread_(NULL), 23 capture_thread_(NULL),
25 opened_(false), 24 opened_(false),
26 started_(false), 25 started_(false),
27 endpoint_buffer_size_frames_(0), 26 endpoint_buffer_size_frames_(0),
28 device_id_(device_id), 27 device_id_(device_id),
29 sink_(NULL) { 28 sink_(NULL) {
30 DCHECK(manager_); 29 DCHECK(manager_);
31 30
32 // Load the Avrt DLL if not already loaded. Required to support MMCSS. 31 // Load the Avrt DLL if not already loaded. Required to support MMCSS.
33 bool avrt_init = avrt::Initialize(); 32 bool avrt_init = avrt::Initialize();
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638 return hr; 637 return hr;
639 638
640 // Obtain a reference to the ISimpleAudioVolume interface which enables 639 // Obtain a reference to the ISimpleAudioVolume interface which enables
641 // us to control the master volume level of an audio session. 640 // us to control the master volume level of an audio session.
642 hr = audio_client_->GetService(__uuidof(ISimpleAudioVolume), 641 hr = audio_client_->GetService(__uuidof(ISimpleAudioVolume),
643 simple_audio_volume_.ReceiveVoid()); 642 simple_audio_volume_.ReceiveVoid());
644 return hr; 643 return hr;
645 } 644 }
646 645
647 } // namespace media 646 } // namespace media
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