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Side by Side Diff: media/blink/buffered_resource_loader.h

Issue 1430063003: use MEDIA_BLINK_EXPORT in media/blink (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: no (c) Created 5 years, 1 month 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 #ifndef MEDIA_BLINK_BUFFERED_RESOURCE_LOADER_H_ 5 #ifndef MEDIA_BLINK_BUFFERED_RESOURCE_LOADER_H_
6 #define MEDIA_BLINK_BUFFERED_RESOURCE_LOADER_H_ 6 #define MEDIA_BLINK_BUFFERED_RESOURCE_LOADER_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/callback.h" 10 #include "base/callback.h"
11 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/scoped_ptr.h"
12 #include "media/base/media_export.h"
13 #include "media/base/seekable_buffer.h" 12 #include "media/base/seekable_buffer.h"
14 #include "media/blink/active_loader.h" 13 #include "media/blink/active_loader.h"
14 #include "media/blink/media_blink_export.h"
15 #include "third_party/WebKit/public/platform/WebURLLoader.h" 15 #include "third_party/WebKit/public/platform/WebURLLoader.h"
16 #include "third_party/WebKit/public/platform/WebURLLoaderClient.h" 16 #include "third_party/WebKit/public/platform/WebURLLoaderClient.h"
17 #include "third_party/WebKit/public/platform/WebURLRequest.h" 17 #include "third_party/WebKit/public/platform/WebURLRequest.h"
18 #include "third_party/WebKit/public/web/WebFrame.h" 18 #include "third_party/WebKit/public/web/WebFrame.h"
19 #include "url/gurl.h" 19 #include "url/gurl.h"
20 20
21 namespace media { 21 namespace media {
22 class MediaLog; 22 class MediaLog;
23 class SeekableBuffer; 23 class SeekableBuffer;
24 24
25 const int64 kPositionNotSpecified = -1; 25 const int64 kPositionNotSpecified = -1;
26 26
27 // BufferedResourceLoader is single threaded and must be accessed on the 27 // BufferedResourceLoader is single threaded and must be accessed on the
28 // render thread. It wraps a WebURLLoader and does in-memory buffering, 28 // render thread. It wraps a WebURLLoader and does in-memory buffering,
29 // pausing resource loading when the in-memory buffer is full and resuming 29 // pausing resource loading when the in-memory buffer is full and resuming
30 // resource loading when there is available capacity. 30 // resource loading when there is available capacity.
31 class MEDIA_EXPORT BufferedResourceLoader 31 class MEDIA_BLINK_EXPORT BufferedResourceLoader
32 : NON_EXPORTED_BASE(public blink::WebURLLoaderClient) { 32 : NON_EXPORTED_BASE(public blink::WebURLLoaderClient) {
33 public: 33 public:
34 // kNeverDefer - Aggresively buffer; never defer loading while paused. 34 // kNeverDefer - Aggresively buffer; never defer loading while paused.
35 // kReadThenDefer - Request only enough data to fulfill read requests. 35 // kReadThenDefer - Request only enough data to fulfill read requests.
36 // kCapacityDefer - Try to keep amount of buffered data at capacity. 36 // kCapacityDefer - Try to keep amount of buffered data at capacity.
37 enum DeferStrategy { 37 enum DeferStrategy {
38 kNeverDefer, 38 kNeverDefer,
39 kReadThenDefer, 39 kReadThenDefer,
40 kCapacityDefer, 40 kCapacityDefer,
41 }; 41 };
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329 scoped_refptr<MediaLog> media_log_; 329 scoped_refptr<MediaLog> media_log_;
330 330
331 bool cancel_upon_deferral_; 331 bool cancel_upon_deferral_;
332 332
333 DISALLOW_COPY_AND_ASSIGN(BufferedResourceLoader); 333 DISALLOW_COPY_AND_ASSIGN(BufferedResourceLoader);
334 }; 334 };
335 335
336 } // namespace media 336 } // namespace media
337 337
338 #endif // MEDIA_BLINK_BUFFERED_RESOURCE_LOADER_H_ 338 #endif // MEDIA_BLINK_BUFFERED_RESOURCE_LOADER_H_
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