media/audio/audio_util.h - Issue 7755001: Workaround for race condition between audio host and renderer

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

Issue 7755001: Workaround for race condition between audio host and renderer (Closed) Base URL: http://src.chromium.org/svn/trunk/src/

Patch Set: '' Created 9 years, 3 months ago

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1 // Copyright (c) 2011 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_UTIL_H_	5 #ifndef MEDIA_AUDIO_AUDIO_UTIL_H_

6 #define MEDIA_AUDIO_AUDIO_UTIL_H_	6 #define MEDIA_AUDIO_AUDIO_UTIL_H_

7	7

8 #include <vector>	8 #include <vector>

9	9

10 #include "base/basictypes.h"	10 #include "base/basictypes.h"

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85 // Functions that handle data buffer passed between processes in the shared	85 // Functions that handle data buffer passed between processes in the shared

86 // memory. Called on both IPC sides.	86 // memory. Called on both IPC sides.

87	87

88 MEDIA_EXPORT uint32 TotalSharedMemorySizeInBytes(uint32 packet_size);	88 MEDIA_EXPORT uint32 TotalSharedMemorySizeInBytes(uint32 packet_size);

89 MEDIA_EXPORT uint32 PacketSizeSizeInBytes(uint32 shared_memory_created_size);	89 MEDIA_EXPORT uint32 PacketSizeSizeInBytes(uint32 shared_memory_created_size);

90 MEDIA_EXPORT uint32 GetActualDataSizeInBytes(base::SharedMemory* shared_memory,	90 MEDIA_EXPORT uint32 GetActualDataSizeInBytes(base::SharedMemory* shared_memory,

91 uint32 shared_memory_size);	91 uint32 shared_memory_size);

92 MEDIA_EXPORT void SetActualDataSizeInBytes(base::SharedMemory* shared_memory,	92 MEDIA_EXPORT void SetActualDataSizeInBytes(base::SharedMemory* shared_memory,

93 uint32 shared_memory_size,	93 uint32 shared_memory_size,

94 uint32 actual_data_size);	94 uint32 actual_data_size);

	95 void SetUnknownDataSize(base::SharedMemory* shared_memory,
	scherkus (not reviewing) 2011/09/01 03:16:48 you'll need to add MEDIA_EXPORT for the shared com you'll need to add MEDIA_EXPORT for the shared component build as these functions are used by src/content
	96 uint32 shared_memory_size);

	97 bool IsUnknownDataSize(base::SharedMemory* shared_memory,

	98 uint32 shared_memory_size);

95	99

96 } // namespace media	100 } // namespace media

97	101

98 #endif // MEDIA_AUDIO_AUDIO_UTIL_H_	102 #endif // MEDIA_AUDIO_AUDIO_UTIL_H_

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