media/mp3/mp3_stream_parser.cc - Issue 24649002: Clean up a few more unused globals.

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Side by Side Diff: media/mp3/mp3_stream_parser.cc

Issue 24649002: Clean up a few more unused globals. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: mac Created 7 years, 2 months ago

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1 // Copyright 2013 The Chromium Authors. All rights reserved.	1 // Copyright 2013 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/mp3/mp3_stream_parser.h"	5 #include "media/mp3/mp3_stream_parser.h"

6	6

7 #include "base/bind.h"	7 #include "base/bind.h"

8 #include "base/callback_helpers.h"	8 #include "base/callback_helpers.h"

9 #include "base/message_loop/message_loop.h"	9 #include "base/message_loop/message_loop.h"

10 #include "media/base/bit_reader.h"	10 #include "media/base/bit_reader.h"

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89 // Derived from: http://mpgedit.org/mpgedit/mpeg_format/MP3Format.html	89 // Derived from: http://mpgedit.org/mpgedit/mpeg_format/MP3Format.html

90 static const int kSampleRateMap[4][4] = {	90 static const int kSampleRateMap[4][4] = {

91 // { V2.5, reserved, V2, V1 }	91 // { V2.5, reserved, V2, V1 }

92 { 11025, 0, 22050, 44100 },	92 { 11025, 0, 22050, 44100 },

93 { 12000, 0, 24000, 48000 },	93 { 12000, 0, 24000, 48000 },

94 { 8000, 0, 16000, 32000 },	94 { 8000, 0, 16000, 32000 },

95 { 0, 0, 0, 0 }	95 { 0, 0, 0, 0 }

96 };	96 };

97	97

98 // Frame header field constants.	98 // Frame header field constants.

99 static const int kVersion1 = 3;

100 static const int kVersion2 = 2;	99 static const int kVersion2 = 2;

101 static const int kVersionReserved = 1;	100 static const int kVersionReserved = 1;

102 static const int kVersion2_5 = 0;	101 static const int kVersion2_5 = 0;

103 static const int kLayerReserved = 0;	102 static const int kLayerReserved = 0;

104 static const int kLayer1 = 3;	103 static const int kLayer1 = 3;

105 static const int kLayer2 = 2;	104 static const int kLayer2 = 2;

106 static const int kLayer3 = 1;	105 static const int kLayer3 = 1;

107 static const int kBitrateFree = 0;	106 static const int kBitrateFree = 0;

108 static const int kBitrateBad = 0xf;	107 static const int kBitrateBad = 0xf;

109 static const int kSampleRateReserved = 3;	108 static const int kSampleRateReserved = 3;

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589	588

590 if (end_of_segment) {	589 if (end_of_segment) {

591 in_media_segment_ = false;	590 in_media_segment_ = false;

592 end_of_segment_cb_.Run();	591 end_of_segment_cb_.Run();

593 }	592 }

594	593

595 return true;	594 return true;

596 }	595 }

597	596

598 } // namespace media	597 } // namespace media

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