MediaPlaybackTargetCocoa.mm [plain text]
/*
* Copyright (C) 2015-2020 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. ``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
* 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 "MediaPlaybackTargetCocoa.h"
#if ENABLE(WIRELESS_PLAYBACK_TARGET)
#import <objc/runtime.h>
#import <pal/spi/cocoa/AVFoundationSPI.h>
#import <pal/cocoa/AVFoundationSoftLink.h>
namespace WebCore {
Ref<MediaPlaybackTarget> MediaPlaybackTargetCocoa::create(AVOutputContext *context)
{
return adoptRef(*new MediaPlaybackTargetCocoa(context));
}
MediaPlaybackTargetCocoa::MediaPlaybackTargetCocoa(AVOutputContext *context)
: MediaPlaybackTarget()
, m_outputContext(context)
{
}
#if PLATFORM(IOS_FAMILY) && !PLATFORM(IOS_FAMILY_SIMULATOR) && !PLATFORM(MACCATALYST)
Ref<MediaPlaybackTarget> MediaPlaybackTargetCocoa::create()
{
auto *routingContextUID = [[PAL::getAVAudioSessionClass() sharedInstance] routingContextUID];
return adoptRef(*new MediaPlaybackTargetCocoa([PAL::getAVOutputContextClass() outputContextForID:routingContextUID]));
}
#endif
bool MediaPlaybackTargetCocoa::supportsRemoteVideoPlayback() const
{
if (!m_outputContext)
return false;
if (![m_outputContext respondsToSelector:@selector(supportsMultipleOutputDevices)] || ![m_outputContext supportsMultipleOutputDevices] || ![m_outputContext respondsToSelector:@selector(outputDevices)]) {
if (auto *outputDevice = [m_outputContext outputDevice]) {
if (outputDevice.deviceFeatures & AVOutputDeviceFeatureVideo)
return true;
}
return false;
}
for (AVOutputDevice *outputDevice in [m_outputContext outputDevices]) {
if (outputDevice.deviceFeatures & AVOutputDeviceFeatureVideo)
return true;
}
return false;
}
MediaPlaybackTargetCocoa::~MediaPlaybackTargetCocoa()
{
}
const MediaPlaybackTargetContext& MediaPlaybackTargetCocoa::targetContext() const
{
m_context = MediaPlaybackTargetContext(m_outputContext.get());
return m_context;
}
bool MediaPlaybackTargetCocoa::hasActiveRoute() const
{
if (!m_outputContext)
return false;
if ([m_outputContext respondsToSelector:@selector(supportsMultipleOutputDevices)] && [m_outputContext supportsMultipleOutputDevices] && [m_outputContext respondsToSelector:@selector(outputDevices)]) {
for (AVOutputDevice *outputDevice in [m_outputContext outputDevices]) {
if (outputDevice.deviceFeatures & (AVOutputDeviceFeatureVideo | AVOutputDeviceFeatureAudio))
return true;
}
return false;
}
if ([m_outputContext respondsToSelector:@selector(outputDevice)]) {
if (auto *outputDevice = [m_outputContext outputDevice])
return outputDevice.deviceFeatures & (AVOutputDeviceFeatureVideo | AVOutputDeviceFeatureAudio);
}
return m_outputContext.get().deviceName;
}
String MediaPlaybackTargetCocoa::deviceName() const
{
if (!m_outputContext)
return emptyString();
if (![m_outputContext supportsMultipleOutputDevices])
return [m_outputContext deviceName];
auto outputDeviceNames = adoptNS([[NSMutableArray alloc] init]);
for (AVOutputDevice *outputDevice in [m_outputContext outputDevices])
[outputDeviceNames addObject:[outputDevice deviceName]];
return [outputDeviceNames componentsJoinedByString:@" + "];
}
MediaPlaybackTargetCocoa* toMediaPlaybackTargetCocoa(MediaPlaybackTarget* rep)
{
return const_cast<MediaPlaybackTargetCocoa*>(toMediaPlaybackTargetCocoa(const_cast<const MediaPlaybackTarget*>(rep)));
}
const MediaPlaybackTargetCocoa* toMediaPlaybackTargetCocoa(const MediaPlaybackTarget* rep)
{
ASSERT_WITH_SECURITY_IMPLICATION(rep->targetType() == MediaPlaybackTarget::AVFoundation);
return static_cast<const MediaPlaybackTargetCocoa*>(rep);
}
} // namespace WebCore
#endif // ENABLE(WIRELESS_PLAYBACK_TARGET)