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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 #include "content/renderer/media/buffered_resource_loader.h" | 5 #include "content/renderer/media/buffered_resource_loader.h" |
| 6 | 6 |
| 7 #include "base/bits.h" | 7 #include "base/bits.h" |
| 8 #include "base/callback_helpers.h" | 8 #include "base/callback_helpers.h" |
| 9 #include "base/metrics/histogram.h" | 9 #include "base/metrics/histogram.h" |
| 10 #include "base/strings/string_number_conversions.h" | 10 #include "base/strings/string_number_conversions.h" |
| 11 #include "base/strings/string_util.h" | 11 #include "base/strings/string_util.h" |
| 12 #include "content/public/common/url_constants.h" | 12 #include "content/public/common/url_constants.h" |
| 13 #include "content/renderer/media/cache_util.h" | 13 #include "content/renderer/media/cache_util.h" |
| 14 #include "media/base/media_log.h" | 14 #include "media/base/media_log.h" |
| 15 #include "net/base/url_constants.h" |
| 15 #include "net/http/http_byte_range.h" | 16 #include "net/http/http_byte_range.h" |
| 16 #include "net/http/http_request_headers.h" | 17 #include "net/http/http_request_headers.h" |
| 17 #include "third_party/WebKit/public/platform/WebString.h" | 18 #include "third_party/WebKit/public/platform/WebString.h" |
| 18 #include "third_party/WebKit/public/platform/WebURLError.h" | 19 #include "third_party/WebKit/public/platform/WebURLError.h" |
| 19 #include "third_party/WebKit/public/platform/WebURLResponse.h" | 20 #include "third_party/WebKit/public/platform/WebURLResponse.h" |
| 20 #include "third_party/WebKit/public/web/WebKit.h" | 21 #include "third_party/WebKit/public/web/WebKit.h" |
| 21 #include "third_party/WebKit/public/web/WebURLLoaderOptions.h" | 22 #include "third_party/WebKit/public/web/WebURLLoaderOptions.h" |
| 22 | 23 |
| 23 using blink::WebFrame; | 24 using blink::WebFrame; |
| 24 using blink::WebString; | 25 using blink::WebString; |
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| 382 } | 383 } |
| 383 | 384 |
| 384 // Expected content length can be |kPositionNotSpecified|, in that case | 385 // Expected content length can be |kPositionNotSpecified|, in that case |
| 385 // |content_length_| is not specified and this is a streaming response. | 386 // |content_length_| is not specified and this is a streaming response. |
| 386 content_length_ = response.expectedContentLength(); | 387 content_length_ = response.expectedContentLength(); |
| 387 | 388 |
| 388 // We make a strong assumption that when we reach here we have either | 389 // We make a strong assumption that when we reach here we have either |
| 389 // received a response from HTTP/HTTPS protocol or the request was | 390 // received a response from HTTP/HTTPS protocol or the request was |
| 390 // successful (in particular range request). So we only verify the partial | 391 // successful (in particular range request). So we only verify the partial |
| 391 // response for HTTP and HTTPS protocol. | 392 // response for HTTP and HTTPS protocol. |
| 392 if (url_.SchemeIs(kHttpScheme) || url_.SchemeIs(kHttpsScheme)) { | 393 if (url_.SchemeIs(net::kHttpScheme) || url_.SchemeIs(net::kHttpsScheme)) { |
| 393 bool partial_response = (response.httpStatusCode() == kHttpPartialContent); | 394 bool partial_response = (response.httpStatusCode() == kHttpPartialContent); |
| 394 bool ok_response = (response.httpStatusCode() == kHttpOK); | 395 bool ok_response = (response.httpStatusCode() == kHttpOK); |
| 395 | 396 |
| 396 if (IsRangeRequest()) { | 397 if (IsRangeRequest()) { |
| 397 // Check to see whether the server supports byte ranges. | 398 // Check to see whether the server supports byte ranges. |
| 398 std::string accept_ranges = | 399 std::string accept_ranges = |
| 399 response.httpHeaderField("Accept-Ranges").utf8(); | 400 response.httpHeaderField("Accept-Ranges").utf8(); |
| 400 range_supported_ = (accept_ranges.find("bytes") != std::string::npos); | 401 range_supported_ = (accept_ranges.find("bytes") != std::string::npos); |
| 401 | 402 |
| 402 // If we have verified the partial response and it is correct, we will | 403 // If we have verified the partial response and it is correct, we will |
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| 777 | 778 |
| 778 void BufferedResourceLoader::Log() { | 779 void BufferedResourceLoader::Log() { |
| 779 media_log_->AddEvent( | 780 media_log_->AddEvent( |
| 780 media_log_->CreateBufferedExtentsChangedEvent( | 781 media_log_->CreateBufferedExtentsChangedEvent( |
| 781 offset_ - buffer_.backward_bytes(), | 782 offset_ - buffer_.backward_bytes(), |
| 782 offset_, | 783 offset_, |
| 783 offset_ + buffer_.forward_bytes())); | 784 offset_ + buffer_.forward_bytes())); |
| 784 } | 785 } |
| 785 | 786 |
| 786 } // namespace content | 787 } // namespace content |
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