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Side by Side Diff: media/audio/audio_buffers_state.h

Issue 7572040: Enable media.dll / libmedia.so. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 4 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 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_BUFFERS_STATE_H_ 5 #ifndef MEDIA_AUDIO_AUDIO_BUFFERS_STATE_H_
6 #define MEDIA_AUDIO_AUDIO_BUFFERS_STATE_H_ 6 #define MEDIA_AUDIO_AUDIO_BUFFERS_STATE_H_
7 7
8 #include "base/time.h" 8 #include "base/time.h"
9 #include "media/base/media_export.h"
9 10
10 // AudioBuffersState struct stores current state of audio buffers along with 11 // AudioBuffersState struct stores current state of audio buffers along with
11 // the timestamp of the moment this state corresponds to. It is used for audio 12 // the timestamp of the moment this state corresponds to. It is used for audio
12 // synchronization. 13 // synchronization.
13 struct AudioBuffersState { 14 struct MEDIA_EXPORT AudioBuffersState {
14 AudioBuffersState(); 15 AudioBuffersState();
15 AudioBuffersState(int pending_bytes, int hardware_delay_bytes); 16 AudioBuffersState(int pending_bytes, int hardware_delay_bytes);
16 17
17 int total_bytes(); 18 int total_bytes();
18 19
19 // Number of bytes we currently have in our software buffer. 20 // Number of bytes we currently have in our software buffer.
20 int pending_bytes; 21 int pending_bytes;
21 22
22 // Number of bytes that have been written to the device, but haven't 23 // Number of bytes that have been written to the device, but haven't
23 // been played yet. 24 // been played yet.
24 int hardware_delay_bytes; 25 int hardware_delay_bytes;
25 26
26 // Timestamp of the moment when the buffers state was captured. It is used 27 // Timestamp of the moment when the buffers state was captured. It is used
27 // to account for the time it takes to deliver AudioBuffersState from 28 // to account for the time it takes to deliver AudioBuffersState from
28 // the browser process to the renderer. 29 // the browser process to the renderer.
29 base::Time timestamp; 30 base::Time timestamp;
30 }; 31 };
31 32
32 33
33 #endif // MEDIA_AUDIO_AUDIO_BUFFERS_STATE_H_ 34 #endif // MEDIA_AUDIO_AUDIO_BUFFERS_STATE_H_
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