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Side by Side Diff: media/base/data_source.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 (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_DATA_SOURCE_H_ 5 #ifndef MEDIA_BASE_DATA_SOURCE_H_
6 #define MEDIA_BASE_DATA_SOURCE_H_ 6 #define MEDIA_BASE_DATA_SOURCE_H_
7 7
8 #include "base/callback.h" 8 #include "base/callback.h"
9 #include "base/time/time.h" 9 #include "base/time/time.h"
10 #include "media/base/media_export.h" 10 #include "media/base/media_export.h"
11 11
12 namespace media { 12 namespace media {
13 13
14 class MEDIA_EXPORT DataSource { 14 class MEDIA_EXPORT DataSource {
15 public: 15 public:
16 typedef base::Callback<void(int64, int64)> StatusCallback; 16 typedef base::Callback<void(int64_t, int64_t)> StatusCallback;
17 typedef base::Callback<void(int)> ReadCB; 17 typedef base::Callback<void(int)> ReadCB;
18 18
19 enum { kReadError = -1 }; 19 enum { kReadError = -1 };
20 20
21 DataSource(); 21 DataSource();
22 virtual ~DataSource(); 22 virtual ~DataSource();
23 23
24 // Reads |size| bytes from |position| into |data|. And when the read is done 24 // Reads |size| bytes from |position| into |data|. And when the read is done
25 // or failed, |read_cb| is called with the number of bytes read or 25 // or failed, |read_cb| is called with the number of bytes read or
26 // kReadError in case of error. 26 // kReadError in case of error.
27 virtual void Read(int64 position, int size, uint8* data, 27 virtual void Read(int64_t position,
28 int size,
29 uint8_t* data,
28 const DataSource::ReadCB& read_cb) = 0; 30 const DataSource::ReadCB& read_cb) = 0;
29 31
30 // Stops the DataSource. Once this is called all future Read() calls will 32 // Stops the DataSource. Once this is called all future Read() calls will
31 // return an error. 33 // return an error.
32 virtual void Stop() = 0; 34 virtual void Stop() = 0;
33 35
34 // Returns true and the file size, false if the file size could not be 36 // Returns true and the file size, false if the file size could not be
35 // retrieved. 37 // retrieved.
36 virtual bool GetSize(int64* size_out) = 0; 38 virtual bool GetSize(int64_t* size_out) = 0;
37 39
38 // Returns true if we are performing streaming. In this case seeking is 40 // Returns true if we are performing streaming. In this case seeking is
39 // not possible. 41 // not possible.
40 virtual bool IsStreaming() = 0; 42 virtual bool IsStreaming() = 0;
41 43
42 // Notify the DataSource of the bitrate of the media. 44 // Notify the DataSource of the bitrate of the media.
43 // Values of |bitrate| <= 0 are invalid and should be ignored. 45 // Values of |bitrate| <= 0 are invalid and should be ignored.
44 virtual void SetBitrate(int bitrate) = 0; 46 virtual void SetBitrate(int bitrate) = 0;
45 47
46 private: 48 private:
47 DISALLOW_COPY_AND_ASSIGN(DataSource); 49 DISALLOW_COPY_AND_ASSIGN(DataSource);
48 }; 50 };
49 51
50 } // namespace media 52 } // namespace media
51 53
52 #endif // MEDIA_BASE_DATA_SOURCE_H_ 54 #endif // MEDIA_BASE_DATA_SOURCE_H_
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