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Side by Side Diff: media/cast/test/utility/audio_utility.h

Issue 1534273002: Switch to standard integer types in media/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: more Created 5 years ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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_CAST_TEST_UTILITY_AUDIO_UTILITY_H_ 5 #ifndef MEDIA_CAST_TEST_UTILITY_AUDIO_UTILITY_H_
6 #define MEDIA_CAST_TEST_UTILITY_AUDIO_UTILITY_H_ 6 #define MEDIA_CAST_TEST_UTILITY_AUDIO_UTILITY_H_
7 7
8 #include "media/audio/simple_sources.h" 8 #include "media/audio/simple_sources.h"
9 9
10 namespace base { 10 namespace base {
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60 int CountZeroCrossings(const float* samples, int length); 60 int CountZeroCrossings(const float* samples, int length);
61 61
62 // Encode |timestamp| into the samples pointed to by 'samples' in a way 62 // Encode |timestamp| into the samples pointed to by 'samples' in a way
63 // that should be decodable even after compressing/decompressing the audio. 63 // that should be decodable even after compressing/decompressing the audio.
64 // Assumes 48Khz sampling rate and needs at least 240 samples. Returns 64 // Assumes 48Khz sampling rate and needs at least 240 samples. Returns
65 // false if |length| of |samples| is too small. If more than 240 samples are 65 // false if |length| of |samples| is too small. If more than 240 samples are
66 // available, then the timestamp will be repeated. |sample_offset| should 66 // available, then the timestamp will be repeated. |sample_offset| should
67 // contain how many samples has been encoded so far, so that we can make smooth 67 // contain how many samples has been encoded so far, so that we can make smooth
68 // transitions between encoded chunks. 68 // transitions between encoded chunks.
69 // See audio_utility.cc for details on how the encoding is done. 69 // See audio_utility.cc for details on how the encoding is done.
70 bool EncodeTimestamp(uint16 timestamp, 70 bool EncodeTimestamp(uint16_t timestamp,
71 size_t sample_offset, 71 size_t sample_offset,
72 size_t length, 72 size_t length,
73 float* samples); 73 float* samples);
74 74
75 // Decode a timestamp encoded with EncodeTimestamp. Returns true if a 75 // Decode a timestamp encoded with EncodeTimestamp. Returns true if a
76 // timestamp was found in |samples|. 76 // timestamp was found in |samples|.
77 bool DecodeTimestamp(const float* samples, size_t length, uint16* timestamp); 77 bool DecodeTimestamp(const float* samples, size_t length, uint16_t* timestamp);
78 78
79 } // namespace cast 79 } // namespace cast
80 } // namespace media 80 } // namespace media
81 81
82 #endif // MEDIA_CAST_TEST_UTILITY_AUDIO_UTILITY_H_ 82 #endif // MEDIA_CAST_TEST_UTILITY_AUDIO_UTILITY_H_
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