173 lines
6.4 KiB
C++
173 lines
6.4 KiB
C++
/*
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* Copyright (C) 2018 Igalia S.L.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "MediaEngineConfigurationFactoryMock.h"
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#include "ContentType.h"
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#include "MediaCapabilitiesDecodingInfo.h"
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#include "MediaCapabilitiesEncodingInfo.h"
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#include "MediaDecodingConfiguration.h"
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#include "MediaEncodingConfiguration.h"
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namespace WebCore {
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static bool canDecodeMedia(const MediaDecodingConfiguration& configuration)
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{
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// The mock implementation supports only local file playback.
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if (configuration.type == MediaDecodingType::MediaSource)
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return false;
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// Maxing out video decoding support at 720P.
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auto videoConfig = configuration.video;
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if (videoConfig && videoConfig->width > 1280 && videoConfig->height > 720)
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return false;
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// Only the "mock-with-alpha" codec supports alphaChannel
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if (videoConfig && videoConfig->alphaChannel && videoConfig->alphaChannel.value()) {
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if (ContentType(videoConfig->contentType).parameter(ContentType::codecsParameter()) != "mock-with-alpha")
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return false;
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}
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// Only the "mock-with-hdr" codec supports HDR)
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if (videoConfig && (videoConfig->colorGamut || videoConfig->hdrMetadataType || videoConfig->transferFunction)) {
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if (ContentType(videoConfig->contentType).parameter(ContentType::codecsParameter()) != "mock-with-hdr")
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return false;
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}
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// Audio decoding support limited to audio/mp4.
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auto audioConfig = configuration.audio;
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if (audioConfig) {
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if (ContentType(audioConfig->contentType).containerType() != "audio/mp4")
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return false;
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// Can only support spatial rendering of tracks with multichannel audio:
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if (audioConfig->spatialRendering.value_or(false) && audioConfig->channels.toDouble() <= 2)
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return false;
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}
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return true;
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}
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static bool canSmoothlyDecodeMedia(const MediaDecodingConfiguration& configuration)
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{
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auto videoConfig = configuration.video;
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if (videoConfig && videoConfig->framerate > 30)
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return false;
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auto audioConfig = configuration.audio;
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if (audioConfig && !audioConfig->channels.isNull())
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return audioConfig->channels == "2";
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return true;
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}
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static bool canPowerEfficientlyDecodeMedia(const MediaDecodingConfiguration& configuration)
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{
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auto videoConfig = configuration.video;
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if (videoConfig && ContentType(videoConfig->contentType).containerType() != "video/mp4")
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return false;
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auto audioConfig = configuration.audio;
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if (audioConfig && audioConfig->bitrate)
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return audioConfig->bitrate.value() <= 1000;
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return true;
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}
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static bool canEncodeMedia(const MediaEncodingConfiguration& configuration)
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{
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// The mock implementation supports only local file playback.
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if (configuration.type == MediaEncodingType::Record)
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return false;
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// Maxing out video encoding support at 720P.
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auto videoConfig = configuration.video;
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if (videoConfig && videoConfig->width > 1280 && videoConfig->height > 720)
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return false;
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// Only the "mock-with-alpha" codec supports alphaChannel
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if (videoConfig && videoConfig->alphaChannel && videoConfig->alphaChannel.value()) {
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if (ContentType(videoConfig->contentType).parameter(ContentType::codecsParameter()) != "mock-with-alpha")
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return false;
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}
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// Audio encoding support limited to audio/mp4.
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auto audioConfig = configuration.audio;
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if (audioConfig && ContentType(audioConfig->contentType).containerType() != "audio/mp4")
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return false;
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return true;
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}
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static bool canSmoothlyEncodeMedia(const MediaEncodingConfiguration& configuration)
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{
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auto videoConfig = configuration.video;
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if (videoConfig && videoConfig->framerate > 30)
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return false;
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auto audioConfig = configuration.audio;
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if (audioConfig && !audioConfig->channels.isNull() && audioConfig->channels != "2")
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return false;
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return true;
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}
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static bool canPowerEfficientlyEncodeMedia(const MediaEncodingConfiguration& configuration)
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{
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auto videoConfig = configuration.video;
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if (videoConfig && ContentType(videoConfig->contentType).containerType() != "video/mp4")
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return false;
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auto audioConfig = configuration.audio;
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if (audioConfig && audioConfig->bitrate && audioConfig->bitrate.value() > 1000)
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return false;
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return true;
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}
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void MediaEngineConfigurationFactoryMock::createDecodingConfiguration(MediaDecodingConfiguration&& configuration, DecodingConfigurationCallback&& callback)
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{
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if (!canDecodeMedia(configuration)) {
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MediaCapabilitiesDecodingInfo info { WTFMove(configuration) };
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callback(WTFMove(info));
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return;
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}
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callback({{ true, canSmoothlyDecodeMedia(configuration), canPowerEfficientlyDecodeMedia(configuration) }, WTFMove(configuration)});
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}
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void MediaEngineConfigurationFactoryMock::createEncodingConfiguration(MediaEncodingConfiguration&& configuration, EncodingConfigurationCallback&& callback)
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{
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if (!canEncodeMedia(configuration)) {
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callback({{ }, WTFMove(configuration) });
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return;
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}
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callback({{ true, canSmoothlyEncodeMedia(configuration), canPowerEfficientlyEncodeMedia(configuration) }, WTFMove(configuration)});
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}
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} // namespace WebCore
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