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

Issue 1223983002: Move WriteInto to base namespace. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 5 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/audio_io.h" 5 #include "media/audio/audio_io.h"
6 6
7 #include <windows.h> 7 #include <windows.h>
8 #include <objbase.h> // This has to be before initguid.h 8 #include <objbase.h> // This has to be before initguid.h
9 #include <initguid.h> 9 #include <initguid.h>
10 #include <mmsystem.h> 10 #include <mmsystem.h>
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190 ULONG device_interface_name_size = 0; 190 ULONG device_interface_name_size = 0;
191 waveInMessage(reinterpret_cast<HWAVEIN>(device_id), 191 waveInMessage(reinterpret_cast<HWAVEIN>(device_id),
192 DRV_QUERYDEVICEINTERFACESIZE, 192 DRV_QUERYDEVICEINTERFACESIZE,
193 reinterpret_cast<DWORD_PTR>(&device_interface_name_size), 0); 193 reinterpret_cast<DWORD_PTR>(&device_interface_name_size), 0);
194 size_t bytes_in_char16 = sizeof(base::string16::value_type); 194 size_t bytes_in_char16 = sizeof(base::string16::value_type);
195 DCHECK_EQ(0u, device_interface_name_size % bytes_in_char16); 195 DCHECK_EQ(0u, device_interface_name_size % bytes_in_char16);
196 if (device_interface_name_size <= bytes_in_char16) 196 if (device_interface_name_size <= bytes_in_char16)
197 return base::string16(); // No audio capture device. 197 return base::string16(); // No audio capture device.
198 198
199 base::string16 device_interface_name; 199 base::string16 device_interface_name;
200 base::string16::value_type* name_ptr = WriteInto(&device_interface_name, 200 base::string16::value_type* name_ptr = base::WriteInto(&device_interface_name,
201 device_interface_name_size / bytes_in_char16); 201 device_interface_name_size / bytes_in_char16);
202 waveInMessage(reinterpret_cast<HWAVEIN>(device_id), 202 waveInMessage(reinterpret_cast<HWAVEIN>(device_id),
203 DRV_QUERYDEVICEINTERFACE, 203 DRV_QUERYDEVICEINTERFACE,
204 reinterpret_cast<DWORD_PTR>(name_ptr), 204 reinterpret_cast<DWORD_PTR>(name_ptr),
205 static_cast<DWORD_PTR>(device_interface_name_size)); 205 static_cast<DWORD_PTR>(device_interface_name_size));
206 206
207 // Enumerate all audio devices and find the one matching the above device 207 // Enumerate all audio devices and find the one matching the above device
208 // interface name. 208 // interface name.
209 HDEVINFO device_info = SetupDiGetClassDevs( 209 HDEVINFO device_info = SetupDiGetClassDevs(
210 &AM_KSCATEGORY_AUDIO, 0, 0, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT); 210 &AM_KSCATEGORY_AUDIO, 0, 0, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT);
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533 return new PCMWaveInAudioInputStream(this, params, kNumInputBuffers, 533 return new PCMWaveInAudioInputStream(this, params, kNumInputBuffers,
534 xp_device_id); 534 xp_device_id);
535 } 535 }
536 536
537 /// static 537 /// static
538 AudioManager* CreateAudioManager(AudioLogFactory* audio_log_factory) { 538 AudioManager* CreateAudioManager(AudioLogFactory* audio_log_factory) {
539 return new AudioManagerWin(audio_log_factory); 539 return new AudioManagerWin(audio_log_factory);
540 } 540 }
541 541
542 } // namespace media 542 } // namespace media
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