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Side by Side Diff: media/base/audio_parameters.h

Issue 1907973003: media: Move audio_parameters and audio_point to media/base/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 4 years, 8 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 #ifndef MEDIA_AUDIO_AUDIO_PARAMETERS_H_ 5 #ifndef MEDIA_BASE_AUDIO_PARAMETERS_H_
6 #define MEDIA_AUDIO_AUDIO_PARAMETERS_H_ 6 #define MEDIA_BASE_AUDIO_PARAMETERS_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 #include <string> 9 #include <string>
10 10
11 #include "base/compiler_specific.h" 11 #include "base/compiler_specific.h"
12 #include "base/time/time.h" 12 #include "base/time/time.h"
13 #include "build/build_config.h" 13 #include "build/build_config.h"
14 #include "media/audio/point.h"
15 #include "media/base/audio_bus.h" 14 #include "media/base/audio_bus.h"
15 #include "media/base/audio_point.h"
16 #include "media/base/channel_layout.h" 16 #include "media/base/channel_layout.h"
17 #include "media/base/media_export.h" 17 #include "media/base/media_export.h"
18 18
19 namespace media { 19 namespace media {
20 20
21 // Use a struct-in-struct approach to ensure that we can calculate the required 21 // Use a struct-in-struct approach to ensure that we can calculate the required
22 // size as sizeof(Audio{Input,Output}BufferParameters) + #(bytes in audio 22 // size as sizeof(Audio{Input,Output}BufferParameters) + #(bytes in audio
23 // buffer) without using packing. Also align Audio{Input,Output}BufferParameters 23 // buffer) without using packing. Also align Audio{Input,Output}BufferParameters
24 // instead of in Audio{Input,Output}Buffer to be able to calculate size like so. 24 // instead of in Audio{Input,Output}Buffer to be able to calculate size like so.
25 // Use a macro for the alignment value that's the same as 25 // Use a macro for the alignment value that's the same as
26 // AudioBus::kChannelAlignment, since MSVC doesn't accept the latter to be used. 26 // AudioBus::kChannelAlignment, since MSVC doesn't accept the latter to be used.
27 #if defined(OS_WIN) 27 #if defined(OS_WIN)
28 #pragma warning(push) 28 #pragma warning(push)
29 #pragma warning(disable: 4324) // Disable warning for added padding. 29 #pragma warning(disable : 4324) // Disable warning for added padding.
30 #endif 30 #endif
31 #define PARAMETERS_ALIGNMENT 16 31 #define PARAMETERS_ALIGNMENT 16
32 static_assert(AudioBus::kChannelAlignment == PARAMETERS_ALIGNMENT, 32 static_assert(AudioBus::kChannelAlignment == PARAMETERS_ALIGNMENT,
33 "Audio buffer parameters struct alignment not same as AudioBus"); 33 "Audio buffer parameters struct alignment not same as AudioBus");
34 struct MEDIA_EXPORT ALIGNAS(PARAMETERS_ALIGNMENT) AudioInputBufferParameters { 34 struct MEDIA_EXPORT ALIGNAS(PARAMETERS_ALIGNMENT) AudioInputBufferParameters {
35 double volume; 35 double volume;
36 uint32_t size; 36 uint32_t size;
37 uint32_t hardware_delay_bytes; 37 uint32_t hardware_delay_bytes;
38 uint32_t id; 38 uint32_t id;
39 bool key_pressed; 39 bool key_pressed;
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212 return a.channels() < b.channels(); 212 return a.channels() < b.channels();
213 if (a.sample_rate() != b.sample_rate()) 213 if (a.sample_rate() != b.sample_rate())
214 return a.sample_rate() < b.sample_rate(); 214 return a.sample_rate() < b.sample_rate();
215 if (a.bits_per_sample() != b.bits_per_sample()) 215 if (a.bits_per_sample() != b.bits_per_sample())
216 return a.bits_per_sample() < b.bits_per_sample(); 216 return a.bits_per_sample() < b.bits_per_sample();
217 return a.frames_per_buffer() < b.frames_per_buffer(); 217 return a.frames_per_buffer() < b.frames_per_buffer();
218 } 218 }
219 219
220 } // namespace media 220 } // namespace media
221 221
222 #endif // MEDIA_AUDIO_AUDIO_PARAMETERS_H_ 222 #endif // MEDIA_BASE_AUDIO_PARAMETERS_H_
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