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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "webkit/glue/media/buffered_data_source.h" | 5 #include "webkit/media/buffered_data_source.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "media/base/filter_host.h" | 8 #include "media/base/filter_host.h" |
| 9 #include "media/base/media_log.h" | 9 #include "media/base/media_log.h" |
| 10 #include "net/base/net_errors.h" | 10 #include "net/base/net_errors.h" |
| 11 #include "webkit/glue/media/web_data_source_factory.h" | 11 #include "webkit/media/web_data_source_factory.h" |
| 12 #include "webkit/glue/webkit_glue.h" | 12 #include "webkit/glue/webkit_glue.h" |
| 13 | 13 |
| 14 using WebKit::WebFrame; | 14 using WebKit::WebFrame; |
| 15 | 15 |
| 16 namespace webkit_glue { | 16 namespace webkit_media { |
| 17 | 17 |
| 18 // BufferedDataSource has an intermediate buffer, this value governs the initial | 18 // BufferedDataSource has an intermediate buffer, this value governs the initial |
| 19 // size of that buffer. It is set to 32KB because this is a typical read size | 19 // size of that buffer. It is set to 32KB because this is a typical read size |
| 20 // of FFmpeg. | 20 // of FFmpeg. |
| 21 static const int kInitialReadBufferSize = 32768; | 21 static const int kInitialReadBufferSize = 32768; |
| 22 | 22 |
| 23 // Number of cache misses we allow for a single Read() before signalling an | 23 // Number of cache misses we allow for a single Read() before signalling an |
| 24 // error. | 24 // error. |
| 25 static const int kNumCacheMissRetries = 3; | 25 static const int kNumCacheMissRetries = 3; |
| 26 | 26 |
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| 98 | 98 |
| 99 void BufferedDataSource::Initialize(const std::string& url, | 99 void BufferedDataSource::Initialize(const std::string& url, |
| 100 const media::PipelineStatusCB& callback) { | 100 const media::PipelineStatusCB& callback) { |
| 101 // Saves the url. | 101 // Saves the url. |
| 102 url_ = GURL(url); | 102 url_ = GURL(url); |
| 103 | 103 |
| 104 // This data source doesn't support data:// protocol so reject it. | 104 // This data source doesn't support data:// protocol so reject it. |
| 105 if (url_.SchemeIs(kDataScheme)) { | 105 if (url_.SchemeIs(kDataScheme)) { |
| 106 callback.Run(media::DATASOURCE_ERROR_URL_NOT_SUPPORTED); | 106 callback.Run(media::DATASOURCE_ERROR_URL_NOT_SUPPORTED); |
| 107 return; | 107 return; |
| 108 } else if (!IsProtocolSupportedForMedia(url_)) { | 108 } else if (!webkit_glue::IsProtocolSupportedForMedia(url_)) { |
| 109 callback.Run(media::PIPELINE_ERROR_NETWORK); | 109 callback.Run(media::PIPELINE_ERROR_NETWORK); |
| 110 return; | 110 return; |
| 111 } | 111 } |
| 112 | 112 |
| 113 DCHECK(!callback.is_null()); | 113 DCHECK(!callback.is_null()); |
| 114 { | 114 { |
| 115 base::AutoLock auto_lock(lock_); | 115 base::AutoLock auto_lock(lock_); |
| 116 initialize_cb_ = callback; | 116 initialize_cb_ = callback; |
| 117 } | 117 } |
| 118 | 118 |
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| 662 filter_host->SetLoaded(loaded_); | 662 filter_host->SetLoaded(loaded_); |
| 663 | 663 |
| 664 if (streaming_) { | 664 if (streaming_) { |
| 665 filter_host->SetStreaming(true); | 665 filter_host->SetStreaming(true); |
| 666 } else { | 666 } else { |
| 667 filter_host->SetTotalBytes(total_bytes_); | 667 filter_host->SetTotalBytes(total_bytes_); |
| 668 filter_host->SetBufferedBytes(buffered_bytes_); | 668 filter_host->SetBufferedBytes(buffered_bytes_); |
| 669 } | 669 } |
| 670 } | 670 } |
| 671 | 671 |
| 672 } // namespace webkit_glue | 672 } // namespace webkit_media |
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