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 3 // found in the LICENSE file. 4 5 #include "content/renderer/media/webmediaplayer_util.h" 6 7 #include <math.h> 8 9 #include "base/metrics/histogram.h" 10 #include "media/base/media_keys.h" 11 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h" 12 13 namespace content { 14 15 // Compile asserts shared by all platforms. 16 17 #define COMPILE_ASSERT_MATCHING_ENUM(name) \ 18 COMPILE_ASSERT( \ 19 static_cast<int>(blink::WebMediaPlayerClient::MediaKeyErrorCode ## name) == \ 20 static_cast<int>(media::MediaKeys::k ## name ## Error), \ 21 mismatching_enums) 22 COMPILE_ASSERT_MATCHING_ENUM(Unknown); 23 COMPILE_ASSERT_MATCHING_ENUM(Client); 24 #undef COMPILE_ASSERT_MATCHING_ENUM 25 26 base::TimeDelta ConvertSecondsToTimestamp(double seconds) { 27 double microseconds = seconds * base::Time::kMicrosecondsPerSecond; 28 return base::TimeDelta::FromMicroseconds( 29 microseconds > 0 ? microseconds + 0.5 : ceil(microseconds - 0.5)); 30 } 31 32 blink::WebTimeRanges ConvertToWebTimeRanges( 33 const media::Ranges<base::TimeDelta>& ranges) { 34 blink::WebTimeRanges result(ranges.size()); 35 for (size_t i = 0; i < ranges.size(); ++i) { 36 result[i].start = ranges.start(i).InSecondsF(); 37 result[i].end = ranges.end(i).InSecondsF(); 38 } 39 return result; 40 } 41 42 blink::WebMediaPlayer::NetworkState PipelineErrorToNetworkState( 43 media::PipelineStatus error) { 44 DCHECK_NE(error, media::PIPELINE_OK); 45 46 switch (error) { 47 case media::PIPELINE_ERROR_NETWORK: 48 case media::PIPELINE_ERROR_READ: 49 return blink::WebMediaPlayer::NetworkStateNetworkError; 50 51 // TODO(vrk): Because OnPipelineInitialize() directly reports the 52 // NetworkStateFormatError instead of calling OnPipelineError(), I believe 53 // this block can be deleted. Should look into it! (crbug.com/126070) 54 case media::PIPELINE_ERROR_INITIALIZATION_FAILED: 55 case media::PIPELINE_ERROR_COULD_NOT_RENDER: 56 case media::PIPELINE_ERROR_URL_NOT_FOUND: 57 case media::DEMUXER_ERROR_COULD_NOT_OPEN: 58 case media::DEMUXER_ERROR_COULD_NOT_PARSE: 59 case media::DEMUXER_ERROR_NO_SUPPORTED_STREAMS: 60 case media::DECODER_ERROR_NOT_SUPPORTED: 61 return blink::WebMediaPlayer::NetworkStateFormatError; 62 63 case media::PIPELINE_ERROR_DECODE: 64 case media::PIPELINE_ERROR_ABORT: 65 case media::PIPELINE_ERROR_OPERATION_PENDING: 66 case media::PIPELINE_ERROR_INVALID_STATE: 67 return blink::WebMediaPlayer::NetworkStateDecodeError; 68 69 case media::PIPELINE_ERROR_DECRYPT: 70 // TODO(xhwang): Change to use NetworkStateDecryptError once it's added in 71 // Webkit (see http://crbug.com/124486). 72 return blink::WebMediaPlayer::NetworkStateDecodeError; 73 74 case media::PIPELINE_OK: 75 NOTREACHED() << "Unexpected status! " << error; 76 } 77 return blink::WebMediaPlayer::NetworkStateFormatError; 78 } 79 80 namespace { 81 82 // Helper enum for reporting scheme histograms. 83 enum URLSchemeForHistogram { 84 kUnknownURLScheme, 85 kMissingURLScheme, 86 kHttpURLScheme, 87 kHttpsURLScheme, 88 kFtpURLScheme, 89 kChromeExtensionURLScheme, 90 kJavascriptURLScheme, 91 kFileURLScheme, 92 kBlobURLScheme, 93 kDataURLScheme, 94 kFileSystemScheme, 95 kMaxURLScheme = kFileSystemScheme // Must be equal to highest enum value. 96 }; 97 98 URLSchemeForHistogram URLScheme(const GURL& url) { 99 if (!url.has_scheme()) return kMissingURLScheme; 100 if (url.SchemeIs("http")) return kHttpURLScheme; 101 if (url.SchemeIs("https")) return kHttpsURLScheme; 102 if (url.SchemeIs("ftp")) return kFtpURLScheme; 103 if (url.SchemeIs("chrome-extension")) return kChromeExtensionURLScheme; 104 if (url.SchemeIs("javascript")) return kJavascriptURLScheme; 105 if (url.SchemeIs("file")) return kFileURLScheme; 106 if (url.SchemeIs("blob")) return kBlobURLScheme; 107 if (url.SchemeIs("data")) return kDataURLScheme; 108 if (url.SchemeIs("filesystem")) return kFileSystemScheme; 109 110 return kUnknownURLScheme; 111 } 112 113 } // namespace 114 115 void ReportMediaSchemeUma(const GURL& url) { 116 UMA_HISTOGRAM_ENUMERATION("Media.URLScheme", URLScheme(url), kMaxURLScheme); 117 } 118 119 } // namespace content 120