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
13namespace 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)
22COMPILE_ASSERT_MATCHING_ENUM(Unknown);
23COMPILE_ASSERT_MATCHING_ENUM(Client);
24#undef COMPILE_ASSERT_MATCHING_ENUM
25
26base::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
32blink::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
42blink::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
80namespace {
81
82// Helper enum for reporting scheme histograms.
83enum 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
98URLSchemeForHistogram 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
115void ReportMediaSchemeUma(const GURL& url) {
116  UMA_HISTOGRAM_ENUMERATION("Media.URLScheme", URLScheme(url),
117                            kMaxURLScheme + 1);
118}
119
120}  // namespace media
121