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Side by Side Diff: media/audio/win/audio_low_latency_output_win.cc

Issue 1892433002: Moving device description utils from AudioManager[Base] into AudioDeviceDescription; to be shared b… (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: another rebase Created 4 years, 7 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_output_win.h" 5 #include "media/audio/win/audio_low_latency_output_win.h"
6 6
7 #include <Functiondiscoverykeys_devpkey.h> 7 #include <Functiondiscoverykeys_devpkey.h>
8 8
9 #include "base/command_line.h" 9 #include "base/command_line.h"
10 #include "base/logging.h" 10 #include "base/logging.h"
11 #include "base/macros.h" 11 #include "base/macros.h"
12 #include "base/metrics/histogram.h" 12 #include "base/metrics/histogram.h"
13 #include "base/strings/utf_string_conversions.h" 13 #include "base/strings/utf_string_conversions.h"
14 #include "base/trace_event/trace_event.h" 14 #include "base/trace_event/trace_event.h"
15 #include "base/win/scoped_propvariant.h" 15 #include "base/win/scoped_propvariant.h"
16 #include "media/audio/audio_device_description.h"
16 #include "media/audio/win/audio_manager_win.h" 17 #include "media/audio/win/audio_manager_win.h"
17 #include "media/audio/win/avrt_wrapper_win.h" 18 #include "media/audio/win/avrt_wrapper_win.h"
18 #include "media/audio/win/core_audio_util_win.h" 19 #include "media/audio/win/core_audio_util_win.h"
19 #include "media/base/limits.h" 20 #include "media/base/limits.h"
20 #include "media/base/media_switches.h" 21 #include "media/base/media_switches.h"
21 22
22 using base::win::ScopedComPtr; 23 using base::win::ScopedComPtr;
23 using base::win::ScopedCOMInitializer; 24 using base::win::ScopedCOMInitializer;
24 using base::win::ScopedCoMem; 25 using base::win::ScopedCoMem;
25 26
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69 device_role_(device_role), 70 device_role_(device_role),
70 share_mode_(GetShareMode()), 71 share_mode_(GetShareMode()),
71 num_written_frames_(0), 72 num_written_frames_(0),
72 source_(NULL), 73 source_(NULL),
73 audio_bus_(AudioBus::Create(params)) { 74 audio_bus_(AudioBus::Create(params)) {
74 DCHECK(manager_); 75 DCHECK(manager_);
75 76
76 // The empty string is used to indicate a default device and the 77 // The empty string is used to indicate a default device and the
77 // |device_role_| member controls whether that's the default or default 78 // |device_role_| member controls whether that's the default or default
78 // communications device. 79 // communications device.
79 DCHECK_NE(device_id_, AudioManagerBase::kDefaultDeviceId); 80 DCHECK_NE(device_id_, AudioDeviceDescription::kDefaultDeviceId);
80 DCHECK_NE(device_id_, AudioManagerBase::kCommunicationsDeviceId); 81 DCHECK_NE(device_id_, AudioDeviceDescription::kCommunicationsDeviceId);
81 82
82 DVLOG(1) << "WASAPIAudioOutputStream::WASAPIAudioOutputStream()"; 83 DVLOG(1) << "WASAPIAudioOutputStream::WASAPIAudioOutputStream()";
83 DVLOG_IF(1, share_mode_ == AUDCLNT_SHAREMODE_EXCLUSIVE) 84 DVLOG_IF(1, share_mode_ == AUDCLNT_SHAREMODE_EXCLUSIVE)
84 << "Core Audio (WASAPI) EXCLUSIVE MODE is enabled."; 85 << "Core Audio (WASAPI) EXCLUSIVE MODE is enabled.";
85 86
86 // Load the Avrt DLL if not already loaded. Required to support MMCSS. 87 // Load the Avrt DLL if not already loaded. Required to support MMCSS.
87 bool avrt_init = avrt::Initialize(); 88 bool avrt_init = avrt::Initialize();
88 DCHECK(avrt_init) << "Failed to load the avrt.dll"; 89 DCHECK(avrt_init) << "Failed to load the avrt.dll";
89 90
90 // Set up the desired render format specified by the client. We use the 91 // Set up the desired render format specified by the client. We use the
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651 652
652 // Ensure that we don't quit the main thread loop immediately next 653 // Ensure that we don't quit the main thread loop immediately next
653 // time Start() is called. 654 // time Start() is called.
654 ResetEvent(stop_render_event_.Get()); 655 ResetEvent(stop_render_event_.Get());
655 } 656 }
656 657
657 source_ = NULL; 658 source_ = NULL;
658 } 659 }
659 660
660 } // namespace media 661 } // namespace media
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