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 "media/blink/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 media {
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>(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
ConvertSecondsToTimestamp(double seconds)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
ConvertToWebTimeRanges(const Ranges<base::TimeDelta> & ranges)32 blink::WebTimeRanges ConvertToWebTimeRanges(
33 const 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
PipelineErrorToNetworkState(PipelineStatus error)42 blink::WebMediaPlayer::NetworkState PipelineErrorToNetworkState(
43 PipelineStatus error) {
44 DCHECK_NE(error, PIPELINE_OK);
45
46 switch (error) {
47 case PIPELINE_ERROR_NETWORK:
48 case 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 PIPELINE_ERROR_INITIALIZATION_FAILED:
55 case PIPELINE_ERROR_COULD_NOT_RENDER:
56 case PIPELINE_ERROR_URL_NOT_FOUND:
57 case DEMUXER_ERROR_COULD_NOT_OPEN:
58 case DEMUXER_ERROR_COULD_NOT_PARSE:
59 case DEMUXER_ERROR_NO_SUPPORTED_STREAMS:
60 case DECODER_ERROR_NOT_SUPPORTED:
61 return blink::WebMediaPlayer::NetworkStateFormatError;
62
63 case PIPELINE_ERROR_DECODE:
64 case PIPELINE_ERROR_ABORT:
65 case PIPELINE_ERROR_OPERATION_PENDING:
66 case PIPELINE_ERROR_INVALID_STATE:
67 return blink::WebMediaPlayer::NetworkStateDecodeError;
68
69 case 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 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
URLScheme(const GURL & url)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
ReportMediaSchemeUma(const GURL & url)115 void ReportMediaSchemeUma(const GURL& url) {
116 UMA_HISTOGRAM_ENUMERATION("Media.URLScheme", URLScheme(url),
117 kMaxURLScheme + 1);
118 }
119
120 } // namespace media
121