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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_BASE_AUDIO_PARAMETERS_H_ | 5 #ifndef MEDIA_BASE_AUDIO_PARAMETERS_H_ |
6 #define MEDIA_BASE_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 |
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25 // instead of in Audio{Input,Output}Buffer to be able to calculate size like so. | 25 // instead of in Audio{Input,Output}Buffer to be able to calculate size like so. |
26 // Use a macro for the alignment value that's the same as | 26 // Use a macro for the alignment value that's the same as |
27 // AudioBus::kChannelAlignment, since MSVC doesn't accept the latter to be used. | 27 // AudioBus::kChannelAlignment, since MSVC doesn't accept the latter to be used. |
28 #if defined(OS_WIN) | 28 #if defined(OS_WIN) |
29 #pragma warning(push) | 29 #pragma warning(push) |
30 #pragma warning(disable : 4324) // Disable warning for added padding. | 30 #pragma warning(disable : 4324) // Disable warning for added padding. |
31 #endif | 31 #endif |
32 #define PARAMETERS_ALIGNMENT 16 | 32 #define PARAMETERS_ALIGNMENT 16 |
33 static_assert(AudioBus::kChannelAlignment == PARAMETERS_ALIGNMENT, | 33 static_assert(AudioBus::kChannelAlignment == PARAMETERS_ALIGNMENT, |
34 "Audio buffer parameters struct alignment not same as AudioBus"); | 34 "Audio buffer parameters struct alignment not same as AudioBus"); |
35 struct MEDIA_EXPORT ALIGNAS(PARAMETERS_ALIGNMENT) AudioInputBufferParameters { | 35 struct alignas(PARAMETERS_ALIGNMENT) AudioInputBufferParameters { |
36 double volume; | 36 double volume; |
37 uint32_t size; | 37 uint32_t size; |
38 uint32_t hardware_delay_bytes; | 38 uint32_t hardware_delay_bytes; |
39 uint32_t id; | 39 uint32_t id; |
40 bool key_pressed; | 40 bool key_pressed; |
41 }; | 41 }; |
42 struct MEDIA_EXPORT ALIGNAS(PARAMETERS_ALIGNMENT) AudioOutputBufferParameters { | 42 struct alignas(PARAMETERS_ALIGNMENT) AudioOutputBufferParameters { |
43 uint32_t frames_skipped; | 43 uint32_t frames_skipped; |
44 int64_t delay; | 44 int64_t delay; |
45 int64_t delay_timestamp; | 45 int64_t delay_timestamp; |
46 }; | 46 }; |
47 #undef PARAMETERS_ALIGNMENT | 47 #undef PARAMETERS_ALIGNMENT |
48 #if defined(OS_WIN) | 48 #if defined(OS_WIN) |
49 #pragma warning(pop) | 49 #pragma warning(pop) |
50 #endif | 50 #endif |
51 | 51 |
52 static_assert(sizeof(AudioInputBufferParameters) % | 52 static_assert(sizeof(AudioInputBufferParameters) % |
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230 if (a.sample_rate() != b.sample_rate()) | 230 if (a.sample_rate() != b.sample_rate()) |
231 return a.sample_rate() < b.sample_rate(); | 231 return a.sample_rate() < b.sample_rate(); |
232 if (a.bits_per_sample() != b.bits_per_sample()) | 232 if (a.bits_per_sample() != b.bits_per_sample()) |
233 return a.bits_per_sample() < b.bits_per_sample(); | 233 return a.bits_per_sample() < b.bits_per_sample(); |
234 return a.frames_per_buffer() < b.frames_per_buffer(); | 234 return a.frames_per_buffer() < b.frames_per_buffer(); |
235 } | 235 } |
236 | 236 |
237 } // namespace media | 237 } // namespace media |
238 | 238 |
239 #endif // MEDIA_BASE_AUDIO_PARAMETERS_H_ | 239 #endif // MEDIA_BASE_AUDIO_PARAMETERS_H_ |
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