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/*
* 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 "MediaRecorderPrivateAVFImpl.h"
#if ENABLE(MEDIA_RECORDER)
#include "AudioStreamDescription.h"
#include "CAAudioStreamDescription.h"
#include "CVUtilities.h"
#include "ContentType.h"
#include "DocumentInlines.h"
#include "Logging.h"
#include "MediaRecorderPrivateEncoder.h"
#include "MediaStreamPrivate.h"
#include "Quirks.h"
#include "RealtimeIncomingVideoSourceCocoa.h"
#include "SharedBuffer.h"
#include "VideoFrameCV.h"
#include "WebAudioBufferList.h"
#include "CoreVideoSoftLink.h"
#include <pal/cf/CoreMediaSoftLink.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_ALLOCATED_IMPL(MediaRecorderPrivateAVFImpl);
bool MediaRecorderPrivateAVFImpl::isTypeSupported(Document& document, ContentType& mimeType)
{
auto containerType = mimeType.containerType();
if (containerType.isEmpty())
return true;
if (equalLettersIgnoringASCIICase(containerType, "audio/mp4"_s) || equalLettersIgnoringASCIICase(containerType, "video/mp4"_s)) {
for (auto& codec : mimeType.codecs()) {
// FIXME: We should further validate parameters.
if (!startsWithLettersIgnoringASCIICase(codec, "avc1"_s)
#if ENABLE(AV1)
&& !(codec.startsWith("av01."_s) && document.settings().webRTCAV1CodecEnabled())
#endif
#if ENABLE(WEB_RTC)
&& !((codec.startsWith("hev1."_s) || codec.startsWith("hvc1."_s)) && document.settings().webRTCH265CodecEnabled())
#endif
#if HAVE(AVASSETWRITER_WITH_OPUS_SUPPORTED)
&& codec != "opus"_s
#endif
&& codec != "pcm"_s && codec != "alac"_s
&& !startsWithLettersIgnoringASCIICase(codec, "mp4a"_s))
return false;
}
return true;
}
#if ENABLE(MEDIA_RECORDER_WEBM)
if (!document.settings().mediaRecorderEnabledWebM())
return false;
if (!equalLettersIgnoringASCIICase(containerType, "audio/webm"_s) && !equalLettersIgnoringASCIICase(containerType, "video/webm"_s))
return false;
for (auto& codec : mimeType.codecs()) {
// FIXME: We should further validate parameters.
bool isVP90 = (codec.startsWith("vp09"_s) || equal(codec, "vp9"_s) || equal(codec, "vp9.0"_s)) && !codec.startsWith("vp09.02"_s);
bool isVP92 = codec.startsWith("vp09.02"_s);
bool isVP8 = codec.startsWith("vp08"_s) || equal(codec, "vp8"_s) || equal(codec, "vp8.0"_s);
bool isH264 = codec.startsWith("avc1"_s);
bool isOpus = codec == "opus"_s;
bool isPCM = codec == "pcm"_s;
if (!(isVP90 && document.settings().webRTCVP9Profile0CodecEnabled()) && !(isVP92 && document.settings().webRTCVP9Profile2CodecEnabled()) && !isVP8 && !isOpus && !((isH264 || isPCM) && (document.settings().limitedMatroskaSupportEnabled() || document.quirks().needsLimitedMatroskaSupport())))
return false;
}
return true;
#else
UNUSED_PARAM(document);
return false;
#endif
}
std::unique_ptr<MediaRecorderPrivateAVFImpl> MediaRecorderPrivateAVFImpl::create(MediaStreamPrivate& stream, const MediaRecorderPrivateOptions& originalOptions)
{
// FIXME: we will need to implement support for multiple audio/video tracks
// Currently we only choose the first track as the recorded track.
// FIXME: We would better to throw an exception to JavaScript if writer creation fails.
auto selectedTracks = MediaRecorderPrivate::selectTracks(stream);
auto options = originalOptions;
if (options.mimeType.isEmpty())
options.mimeType = !!selectedTracks.videoTrack ? "video/mp4"_s : "audio/mp4"_s;
RefPtr writer = MediaRecorderPrivateEncoder::create(!!selectedTracks.audioTrack, !!selectedTracks.videoTrack, options);
if (!writer)
return nullptr;
auto recorder = std::unique_ptr<MediaRecorderPrivateAVFImpl>(new MediaRecorderPrivateAVFImpl(writer.releaseNonNull()));
if (selectedTracks.audioTrack) {
recorder->setAudioSource(&selectedTracks.audioTrack->source());
recorder->checkTrackState(*selectedTracks.audioTrack);
}
if (selectedTracks.videoTrack) {
recorder->setVideoSource(&selectedTracks.videoTrack->source());
recorder->checkTrackState(*selectedTracks.videoTrack);
}
return recorder;
}
MediaRecorderPrivateAVFImpl::MediaRecorderPrivateAVFImpl(Ref<MediaRecorderPrivateEncoder>&& muxer)
: m_encoder(WTFMove(muxer))
{
}
MediaRecorderPrivateAVFImpl::~MediaRecorderPrivateAVFImpl()
{
m_encoder->close();
}
void MediaRecorderPrivateAVFImpl::startRecording(StartRecordingCallback&& callback)
{
// FIMXE: In case of of audio recording, we should wait for the audio compression to start to give back the exact bit rate.
callback(String(m_encoder->mimeType()), m_encoder->audioBitRate(), m_encoder->videoBitRate());
}
void MediaRecorderPrivateAVFImpl::videoFrameAvailable(VideoFrame& videoFrame, VideoFrameTimeMetadata)
{
if (shouldMuteVideo()) {
if (!m_blackFrame) {
auto size = videoFrame.presentationSize();
m_blackFrame = VideoFrameCV::create(videoFrame.presentationTime(), videoFrame.isMirrored(), videoFrame.rotation(), createBlackPixelBuffer(size.width(), size.height()));
}
m_encoder->appendVideoFrame(*m_blackFrame);
return;
}
m_blackFrame = nullptr;
m_encoder->appendVideoFrame(videoFrame);
}
void MediaRecorderPrivateAVFImpl::audioSamplesAvailable(const MediaTime& mediaTime, const PlatformAudioData& data, const AudioStreamDescription& description, size_t sampleCount)
{
ASSERT(is<WebAudioBufferList>(data));
ASSERT(description.platformDescription().type == PlatformDescription::CAAudioStreamBasicType);
if (shouldMuteAudio()) {
if (!m_audioBuffer || m_description != toCAAudioStreamDescription(description)) {
m_description = toCAAudioStreamDescription(description);
m_audioBuffer = makeUnique<WebAudioBufferList>(*m_description, sampleCount);
} else
m_audioBuffer->setSampleCount(sampleCount);
m_audioBuffer->zeroFlatBuffer();
m_encoder->appendAudioSampleBuffer(*m_audioBuffer, description, mediaTime, sampleCount);
return;
}
m_encoder->appendAudioSampleBuffer(data, description, mediaTime, sampleCount);
}
void MediaRecorderPrivateAVFImpl::stopRecording(CompletionHandler<void()>&& completionHandler)
{
m_encoder->stopRecording();
completionHandler();
}
void MediaRecorderPrivateAVFImpl::pauseRecording(CompletionHandler<void()>&& completionHandler)
{
m_encoder->pause();
completionHandler();
}
void MediaRecorderPrivateAVFImpl::resumeRecording(CompletionHandler<void()>&& completionHandler)
{
m_encoder->resume();
completionHandler();
}
void MediaRecorderPrivateAVFImpl::fetchData(FetchDataCallback&& completionHandler)
{
m_encoder->fetchData([completionHandler = WTFMove(completionHandler), mimeType = mimeType()](RefPtr<FragmentedSharedBuffer>&& buffer, auto timeCode) mutable {
completionHandler(WTFMove(buffer), mimeType, timeCode);
});
}
String MediaRecorderPrivateAVFImpl::mimeType() const
{
return m_encoder->mimeType();
}
} // namespace WebCore
#endif // ENABLE(MEDIA_RECORDER)
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