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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 #ifndef MEDIA_BLINK_BUFFERED_DATA_SOURCE_H_ | 5 #ifndef MEDIA_BLINK_BUFFERED_DATA_SOURCE_H_ |
6 #define MEDIA_BLINK_BUFFERED_DATA_SOURCE_H_ | 6 #define MEDIA_BLINK_BUFFERED_DATA_SOURCE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/callback.h" | 11 #include "base/callback.h" |
12 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
13 #include "base/memory/weak_ptr.h" | 13 #include "base/memory/weak_ptr.h" |
14 #include "base/synchronization/lock.h" | 14 #include "base/synchronization/lock.h" |
15 #include "media/base/data_source.h" | 15 #include "media/base/data_source.h" |
16 #include "media/base/media_export.h" | |
17 #include "media/base/ranges.h" | 16 #include "media/base/ranges.h" |
18 #include "media/blink/buffered_resource_loader.h" | 17 #include "media/blink/buffered_resource_loader.h" |
| 18 #include "media/blink/media_blink_export.h" |
19 #include "url/gurl.h" | 19 #include "url/gurl.h" |
20 | 20 |
21 namespace base { | 21 namespace base { |
22 class SingleThreadTaskRunner; | 22 class SingleThreadTaskRunner; |
23 } | 23 } |
24 | 24 |
25 namespace media { | 25 namespace media { |
26 class MediaLog; | 26 class MediaLog; |
27 | 27 |
28 class MEDIA_EXPORT BufferedDataSourceHost { | 28 class MEDIA_BLINK_EXPORT BufferedDataSourceHost { |
29 public: | 29 public: |
30 // Notify the host of the total size of the media file. | 30 // Notify the host of the total size of the media file. |
31 virtual void SetTotalBytes(int64 total_bytes) = 0; | 31 virtual void SetTotalBytes(int64 total_bytes) = 0; |
32 | 32 |
33 // Notify the host that byte range [start,end] has been buffered. | 33 // Notify the host that byte range [start,end] has been buffered. |
34 // TODO(fischman): remove this method when demuxing is push-based instead of | 34 // TODO(fischman): remove this method when demuxing is push-based instead of |
35 // pull-based. http://crbug.com/131444 | 35 // pull-based. http://crbug.com/131444 |
36 virtual void AddBufferedByteRange(int64 start, int64 end) = 0; | 36 virtual void AddBufferedByteRange(int64 start, int64 end) = 0; |
37 | 37 |
38 protected: | 38 protected: |
39 virtual ~BufferedDataSourceHost() {} | 39 virtual ~BufferedDataSourceHost() {} |
40 }; | 40 }; |
41 | 41 |
42 // A data source capable of loading URLs and buffering the data using an | 42 // A data source capable of loading URLs and buffering the data using an |
43 // in-memory sliding window. | 43 // in-memory sliding window. |
44 // | 44 // |
45 // BufferedDataSource must be created and destroyed on the thread associated | 45 // BufferedDataSource must be created and destroyed on the thread associated |
46 // with the |task_runner| passed in the constructor. | 46 // with the |task_runner| passed in the constructor. |
47 class MEDIA_EXPORT BufferedDataSource : public DataSource { | 47 class MEDIA_BLINK_EXPORT BufferedDataSource : public DataSource { |
48 public: | 48 public: |
49 // Used to specify video preload states. They are "hints" to the browser about | 49 // Used to specify video preload states. They are "hints" to the browser about |
50 // how aggressively the browser should load and buffer data. | 50 // how aggressively the browser should load and buffer data. |
51 // Please see the HTML5 spec for the descriptions of these values: | 51 // Please see the HTML5 spec for the descriptions of these values: |
52 // http://www.w3.org/TR/html5/video.html#attr-media-preload | 52 // http://www.w3.org/TR/html5/video.html#attr-media-preload |
53 // | 53 // |
54 // Enum values must match the values in blink::WebMediaPlayer::Preload and | 54 // Enum values must match the values in blink::WebMediaPlayer::Preload and |
55 // there will be assertions at compile time if they do not match. | 55 // there will be assertions at compile time if they do not match. |
56 enum Preload { | 56 enum Preload { |
57 NONE, | 57 NONE, |
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256 // reaching into this class from multiple threads to attain a WeakPtr. | 256 // reaching into this class from multiple threads to attain a WeakPtr. |
257 base::WeakPtr<BufferedDataSource> weak_ptr_; | 257 base::WeakPtr<BufferedDataSource> weak_ptr_; |
258 base::WeakPtrFactory<BufferedDataSource> weak_factory_; | 258 base::WeakPtrFactory<BufferedDataSource> weak_factory_; |
259 | 259 |
260 DISALLOW_COPY_AND_ASSIGN(BufferedDataSource); | 260 DISALLOW_COPY_AND_ASSIGN(BufferedDataSource); |
261 }; | 261 }; |
262 | 262 |
263 } // namespace media | 263 } // namespace media |
264 | 264 |
265 #endif // MEDIA_BLINK_BUFFERED_DATA_SOURCE_H_ | 265 #endif // MEDIA_BLINK_BUFFERED_DATA_SOURCE_H_ |
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