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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 "media/base/media_keys.h"
10 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h"
11 
12 namespace content {
13 
14 // Compile asserts shared by all platforms.
15 
16 #define COMPILE_ASSERT_MATCHING_ENUM(name) \
17   COMPILE_ASSERT( \
18   static_cast<int>(blink::WebMediaPlayerClient::MediaKeyErrorCode ## name) == \
19   static_cast<int>(media::MediaKeys::k ## name ## Error), \
20   mismatching_enums)
21 COMPILE_ASSERT_MATCHING_ENUM(Unknown);
22 COMPILE_ASSERT_MATCHING_ENUM(Client);
23 #undef COMPILE_ASSERT_MATCHING_ENUM
24 
ConvertSecondsToTimestamp(double seconds)25 base::TimeDelta ConvertSecondsToTimestamp(double seconds) {
26   double microseconds = seconds * base::Time::kMicrosecondsPerSecond;
27   return base::TimeDelta::FromMicroseconds(
28       microseconds > 0 ? microseconds + 0.5 : ceil(microseconds - 0.5));
29 }
30 
ConvertToWebTimeRanges(const media::Ranges<base::TimeDelta> & ranges)31 blink::WebTimeRanges ConvertToWebTimeRanges(
32     const media::Ranges<base::TimeDelta>& ranges) {
33   blink::WebTimeRanges result(ranges.size());
34   for (size_t i = 0; i < ranges.size(); i++) {
35     result[i].start = ranges.start(i).InSecondsF();
36     result[i].end = ranges.end(i).InSecondsF();
37   }
38   return result;
39 }
40 
PipelineErrorToNetworkState(media::PipelineStatus error)41 blink::WebMediaPlayer::NetworkState PipelineErrorToNetworkState(
42     media::PipelineStatus error) {
43   DCHECK_NE(error, media::PIPELINE_OK);
44 
45   switch (error) {
46     case media::PIPELINE_ERROR_NETWORK:
47     case media::PIPELINE_ERROR_READ:
48       return blink::WebMediaPlayer::NetworkStateNetworkError;
49 
50     // TODO(vrk): Because OnPipelineInitialize() directly reports the
51     // NetworkStateFormatError instead of calling OnPipelineError(), I believe
52     // this block can be deleted. Should look into it! (crbug.com/126070)
53     case media::PIPELINE_ERROR_INITIALIZATION_FAILED:
54     case media::PIPELINE_ERROR_COULD_NOT_RENDER:
55     case media::PIPELINE_ERROR_URL_NOT_FOUND:
56     case media::DEMUXER_ERROR_COULD_NOT_OPEN:
57     case media::DEMUXER_ERROR_COULD_NOT_PARSE:
58     case media::DEMUXER_ERROR_NO_SUPPORTED_STREAMS:
59     case media::DECODER_ERROR_NOT_SUPPORTED:
60       return blink::WebMediaPlayer::NetworkStateFormatError;
61 
62     case media::PIPELINE_ERROR_DECODE:
63     case media::PIPELINE_ERROR_ABORT:
64     case media::PIPELINE_ERROR_OPERATION_PENDING:
65     case media::PIPELINE_ERROR_INVALID_STATE:
66       return blink::WebMediaPlayer::NetworkStateDecodeError;
67 
68     case media::PIPELINE_ERROR_DECRYPT:
69       // TODO(xhwang): Change to use NetworkStateDecryptError once it's added in
70       // Webkit (see http://crbug.com/124486).
71       return blink::WebMediaPlayer::NetworkStateDecodeError;
72 
73     case media::PIPELINE_OK:
74     case media::PIPELINE_STATUS_MAX:
75       NOTREACHED() << "Unexpected status! " << error;
76   }
77   return blink::WebMediaPlayer::NetworkStateFormatError;
78 }
79 
80 }  // namespace content
81