CDMPrivateMediaSourceAVFObjC.mm [plain text]
/*
* Copyright (C) 2014 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "CDMPrivateMediaSourceAVFObjC.h"
#if ENABLE(ENCRYPTED_MEDIA_V2) && ENABLE(MEDIA_SOURCE)
#import "CDM.h"
#import "CDMSessionMediaSourceAVFObjC.h"
#import "ContentType.h"
#import "ExceptionCode.h"
#import "MediaPlayerPrivateMediaSourceAVFObjC.h"
#import "WebCoreSystemInterface.h"
#import <wtf/NeverDestroyed.h>
#import <yarr/RegularExpression.h>
using JSC::Yarr::RegularExpression;
namespace WebCore {
static RegularExpression& validKeySystemRE()
{
static NeverDestroyed<RegularExpression> keySystemRE("^com\\.apple\\.fps\\.2_\\d+(?:,\\d+)*$", TextCaseInsensitive);
return keySystemRE;
}
bool CDMPrivateMediaSourceAVFObjC::supportsKeySystem(const String& keySystem)
{
if (!wkQueryDecoderAvailability())
return false;
if (!keySystem.isEmpty() && validKeySystemRE().match(keySystem) < 0)
return false;
return true;
}
bool CDMPrivateMediaSourceAVFObjC::supportsKeySystemAndMimeType(const String& keySystem, const String& mimeType)
{
if (!supportsKeySystem(keySystem))
return false;
if (!mimeType.isEmpty()) {
if (equalIgnoringCase(mimeType, "keyrelease"))
return true;
MediaEngineSupportParameters parameters;
parameters.isMediaSource = true;
parameters.type = mimeType;
return MediaPlayerPrivateMediaSourceAVFObjC::supportsType(parameters) != MediaPlayer::IsNotSupported;
}
return true;
}
bool CDMPrivateMediaSourceAVFObjC::supportsMIMEType(const String& mimeType)
{
if (mimeType == "keyrelease")
return true;
MediaEngineSupportParameters parameters;
parameters.isMediaSource = true;
parameters.type = mimeType;
return MediaPlayerPrivateMediaSourceAVFObjC::supportsType(parameters) != MediaPlayer::IsNotSupported;
}
std::unique_ptr<CDMSession> CDMPrivateMediaSourceAVFObjC::createSession()
{
String keySystem = m_cdm->keySystem();
ASSERT(validKeySystemRE().match(keySystem) >= 0);
Vector<String> protocolVersionsStrings;
keySystem.substring(16).split(',', false, protocolVersionsStrings);
Vector<int> protocolVersions;
for (auto& protocolVersionString : protocolVersionsStrings)
protocolVersions.append(protocolVersionString.toInt());
return std::make_unique<CDMSessionMediaSourceAVFObjC>(protocolVersions);
}
}
#endif // ENABLE(ENCRYPTED_MEDIA_V2) && ENABLE(MEDIA_SOURCE)