| /* |
| * Copyright (C) 2018 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. |
| */ |
| |
| #include "config.h" |
| #include "MediaEngineConfigurationFactoryCocoa.h" |
| |
| #if PLATFORM(COCOA) |
| |
| #include "HEVCUtilitiesCocoa.h" |
| #include "MediaCapabilitiesDecodingInfo.h" |
| #include "MediaDecodingConfiguration.h" |
| #include "MediaPlayer.h" |
| #include "VP9UtilitiesCocoa.h" |
| #include <pal/avfoundation/OutputContext.h> |
| #include <pal/avfoundation/OutputDevice.h> |
| #include <wtf/Algorithms.h> |
| |
| #include "VideoToolboxSoftLink.h" |
| |
| namespace WebCore { |
| |
| static CMVideoCodecType videoCodecTypeFromRFC4281Type(StringView type) |
| { |
| if (type.startsWith("mp4v")) |
| return kCMVideoCodecType_MPEG4Video; |
| if (type.startsWith("avc1") || type.startsWith("avc3")) |
| return kCMVideoCodecType_H264; |
| if (type.startsWith("hvc1") || type.startsWith("hev1")) |
| return kCMVideoCodecType_HEVC; |
| #if ENABLE(VP9) |
| if (type.startsWith("vp09")) |
| return kCMVideoCodecType_VP9; |
| #endif |
| return 0; |
| } |
| |
| static std::optional<MediaCapabilitiesInfo> computeMediaCapabilitiesInfo(const MediaDecodingConfiguration& configuration) |
| { |
| MediaCapabilitiesInfo info; |
| |
| if (configuration.video) { |
| auto& videoConfiguration = configuration.video.value(); |
| MediaEngineSupportParameters parameters { }; |
| |
| switch (configuration.type) { |
| case MediaDecodingType::File: |
| parameters.isMediaSource = false; |
| break; |
| case MediaDecodingType::MediaSource: |
| parameters.isMediaSource = true; |
| break; |
| case MediaDecodingType::WebRTC: |
| ASSERT_NOT_REACHED(); |
| return std::nullopt; |
| } |
| |
| parameters.type = ContentType(videoConfiguration.contentType); |
| if (MediaPlayer::supportsType(parameters) != MediaPlayer::SupportsType::IsSupported) |
| return std::nullopt; |
| |
| auto codecs = parameters.type.codecs(); |
| if (codecs.size() != 1) |
| return std::nullopt; |
| |
| info.supported = true; |
| auto& codec = codecs[0]; |
| auto videoCodecType = videoCodecTypeFromRFC4281Type(codec); |
| if (!videoCodecType && !(codec.startsWith("dvh1") || codec.startsWith("dvhe"))) |
| return std::nullopt; |
| |
| bool hdrSupported = videoConfiguration.colorGamut || videoConfiguration.hdrMetadataType || videoConfiguration.transferFunction; |
| bool alphaChannel = videoConfiguration.alphaChannel && videoConfiguration.alphaChannel.value(); |
| |
| if (videoCodecType == kCMVideoCodecType_HEVC) { |
| auto parameters = parseHEVCCodecParameters(codec); |
| if (!parameters) |
| return std::nullopt; |
| auto parsedInfo = validateHEVCParameters(*parameters, alphaChannel, hdrSupported); |
| if (!parsedInfo) |
| return std::nullopt; |
| info = *parsedInfo; |
| } else if (codec.startsWith("dvh1") || codec.startsWith("dvhe")) { |
| auto parameters = parseDoViCodecParameters(codec); |
| if (!parameters) |
| return std::nullopt; |
| auto parsedInfo = validateDoViParameters(*parameters, alphaChannel, hdrSupported); |
| if (!parsedInfo) |
| return std::nullopt; |
| info = *parsedInfo; |
| #if ENABLE(VP9) |
| } else if (videoCodecType == kCMVideoCodecType_VP9) { |
| if (!configuration.canExposeVP9) |
| return std::nullopt; |
| auto parameters = parseVPCodecParameters(codec); |
| if (!parameters) |
| return std::nullopt; |
| auto parsedInfo = validateVPParameters(*parameters, videoConfiguration); |
| if (!parsedInfo) |
| return std::nullopt; |
| info = *parsedInfo; |
| #endif |
| } else { |
| if (alphaChannel || hdrSupported) |
| return std::nullopt; |
| |
| if (canLoad_VideoToolbox_VTIsHardwareDecodeSupported()) { |
| info.powerEfficient = VTIsHardwareDecodeSupported(videoCodecType); |
| info.smooth = true; |
| } |
| } |
| } |
| |
| if (configuration.audio) { |
| MediaEngineSupportParameters parameters { }; |
| parameters.type = ContentType(configuration.audio.value().contentType); |
| parameters.isMediaSource = configuration.type == MediaDecodingType::MediaSource; |
| if (MediaPlayer::supportsType(parameters) != MediaPlayer::SupportsType::IsSupported) |
| return std::nullopt; |
| |
| if (configuration.audio->spatialRendering.value_or(false)) { |
| auto context = PAL::OutputContext::sharedAudioPresentationOutputContext(); |
| if (!context) |
| return std::nullopt; |
| |
| auto devices = context->outputDevices(); |
| if (devices.isEmpty() || !WTF::allOf(devices, [](auto& device) { |
| return device.supportsSpatialAudio(); |
| })) |
| return std::nullopt; |
| |
| // Only multichannel audio can be spatially rendered. |
| if (!configuration.audio->channels.isNull() && configuration.audio->channels.toDouble() <= 2) |
| return std::nullopt; |
| } |
| info.supported = true; |
| } |
| |
| return info; |
| } |
| |
| void createMediaPlayerDecodingConfigurationCocoa(MediaDecodingConfiguration&& configuration, Function<void(MediaCapabilitiesDecodingInfo&&)>&& callback) |
| { |
| auto info = computeMediaCapabilitiesInfo(configuration); |
| if (!info) |
| callback({ { }, WTFMove(configuration) }); |
| else { |
| MediaCapabilitiesDecodingInfo infoWithConfiguration = { WTFMove(*info), WTFMove(configuration) }; |
| callback(WTFMove(infoWithConfiguration)); |
| } |
| } |
| |
| } |
| #endif |