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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/blink/webmediaplayer_util.h"
#include <math.h>
#include "base/metrics/histogram.h"
#include "media/base/media_client.h"
#include "media/base/media_keys.h"
#include "third_party/WebKit/public/platform/WebMediaPlayerClient.h"
namespace media {
// Compile asserts shared by all platforms.
#define STATIC_ASSERT_MATCHING_ENUM(name) \
static_assert( \
static_cast<int>(blink::WebMediaPlayerClient::MediaKeyErrorCode ## name) == \
static_cast<int>(MediaKeys::k ## name ## Error), \
"mismatching enum values: " #name)
STATIC_ASSERT_MATCHING_ENUM(Unknown);
STATIC_ASSERT_MATCHING_ENUM(Client);
#undef STATIC_ASSERT_MATCHING_ENUM
base::TimeDelta ConvertSecondsToTimestamp(double seconds) {
double microseconds = seconds * base::Time::kMicrosecondsPerSecond;
return base::TimeDelta::FromMicroseconds(
microseconds > 0 ? microseconds + 0.5 : ceil(microseconds - 0.5));
}
blink::WebTimeRanges ConvertToWebTimeRanges(
const Ranges<base::TimeDelta>& ranges) {
blink::WebTimeRanges result(ranges.size());
for (size_t i = 0; i < ranges.size(); ++i) {
result[i].start = ranges.start(i).InSecondsF();
result[i].end = ranges.end(i).InSecondsF();
}
return result;
}
blink::WebMediaPlayer::NetworkState PipelineErrorToNetworkState(
PipelineStatus error) {
DCHECK_NE(error, PIPELINE_OK);
switch (error) {
case PIPELINE_ERROR_NETWORK:
case PIPELINE_ERROR_READ:
return blink::WebMediaPlayer::NetworkStateNetworkError;
// TODO(vrk): Because OnPipelineInitialize() directly reports the
// NetworkStateFormatError instead of calling OnPipelineError(), I believe
// this block can be deleted. Should look into it! (crbug.com/126070)
case PIPELINE_ERROR_INITIALIZATION_FAILED:
case PIPELINE_ERROR_COULD_NOT_RENDER:
case PIPELINE_ERROR_URL_NOT_FOUND:
case DEMUXER_ERROR_COULD_NOT_OPEN:
case DEMUXER_ERROR_COULD_NOT_PARSE:
case DEMUXER_ERROR_NO_SUPPORTED_STREAMS:
case DECODER_ERROR_NOT_SUPPORTED:
return blink::WebMediaPlayer::NetworkStateFormatError;
case PIPELINE_ERROR_DECODE:
case PIPELINE_ERROR_ABORT:
case PIPELINE_ERROR_OPERATION_PENDING:
case PIPELINE_ERROR_INVALID_STATE:
return blink::WebMediaPlayer::NetworkStateDecodeError;
case PIPELINE_ERROR_DECRYPT:
// TODO(xhwang): Change to use NetworkStateDecryptError once it's added in
// Webkit (see http://crbug.com/124486).
return blink::WebMediaPlayer::NetworkStateDecodeError;
case PIPELINE_OK:
NOTREACHED() << "Unexpected status! " << error;
}
return blink::WebMediaPlayer::NetworkStateFormatError;
}
namespace {
// Helper enum for reporting scheme histograms.
enum URLSchemeForHistogram {
kUnknownURLScheme,
kMissingURLScheme,
kHttpURLScheme,
kHttpsURLScheme,
kFtpURLScheme,
kChromeExtensionURLScheme,
kJavascriptURLScheme,
kFileURLScheme,
kBlobURLScheme,
kDataURLScheme,
kFileSystemScheme,
kMaxURLScheme = kFileSystemScheme // Must be equal to highest enum value.
};
URLSchemeForHistogram URLScheme(const GURL& url) {
if (!url.has_scheme()) return kMissingURLScheme;
if (url.SchemeIs("http")) return kHttpURLScheme;
if (url.SchemeIs("https")) return kHttpsURLScheme;
if (url.SchemeIs("ftp")) return kFtpURLScheme;
if (url.SchemeIs("chrome-extension")) return kChromeExtensionURLScheme;
if (url.SchemeIs("javascript")) return kJavascriptURLScheme;
if (url.SchemeIs("file")) return kFileURLScheme;
if (url.SchemeIs("blob")) return kBlobURLScheme;
if (url.SchemeIs("data")) return kDataURLScheme;
if (url.SchemeIs("filesystem")) return kFileSystemScheme;
return kUnknownURLScheme;
}
std::string LoadTypeToString(blink::WebMediaPlayer::LoadType load_type) {
switch (load_type) {
case blink::WebMediaPlayer::LoadTypeURL:
return "SRC";
case blink::WebMediaPlayer::LoadTypeMediaSource:
return "MSE";
case blink::WebMediaPlayer::LoadTypeMediaStream:
return "MS";
}
NOTREACHED();
return "Unknown";
}
} // namespace
// TODO(xhwang): Call this from WebMediaPlayerMS to report metrics for
// MediaStream as well.
void ReportMetrics(blink::WebMediaPlayer::LoadType load_type,
const GURL& url,
const GURL& origin_url) {
// Report URL scheme, such as http, https, file, blob etc.
UMA_HISTOGRAM_ENUMERATION("Media.URLScheme", URLScheme(url),
kMaxURLScheme + 1);
// Keep track if this is a MSE or non-MSE playback.
// TODO(xhwang): This name is not intuitive. We should have a histogram for
// all load types.
UMA_HISTOGRAM_BOOLEAN(
"Media.MSE.Playback",
load_type == blink::WebMediaPlayer::LoadTypeMediaSource);
// Report the origin from where the media player is created.
if (GetMediaClient()) {
GetMediaClient()->RecordRapporURL(
"Media.OriginUrl." + LoadTypeToString(load_type), origin_url);
}
}
EmeInitDataType ConvertToEmeInitDataType(
blink::WebEncryptedMediaInitDataType init_data_type) {
switch (init_data_type) {
case blink::WebEncryptedMediaInitDataType::Webm:
return EmeInitDataType::WEBM;
case blink::WebEncryptedMediaInitDataType::Cenc:
return EmeInitDataType::CENC;
case blink::WebEncryptedMediaInitDataType::Keyids:
return EmeInitDataType::KEYIDS;
case blink::WebEncryptedMediaInitDataType::Unknown:
return EmeInitDataType::UNKNOWN;
}
NOTREACHED();
return EmeInitDataType::UNKNOWN;
}
blink::WebEncryptedMediaInitDataType ConvertToWebInitDataType(
EmeInitDataType init_data_type) {
switch (init_data_type) {
case EmeInitDataType::WEBM:
return blink::WebEncryptedMediaInitDataType::Webm;
case EmeInitDataType::CENC:
return blink::WebEncryptedMediaInitDataType::Cenc;
case EmeInitDataType::KEYIDS:
return blink::WebEncryptedMediaInitDataType::Keyids;
case EmeInitDataType::UNKNOWN:
return blink::WebEncryptedMediaInitDataType::Unknown;
}
NOTREACHED();
return blink::WebEncryptedMediaInitDataType::Unknown;
}
} // namespace media
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