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/*
* Copyright (C) 2024 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 "MediaRecorderPrivateWriter.h"
#if ENABLE(MEDIA_RECORDER)
#include "MediaRecorderPrivateWriterAVFObjC.h"
#include "MediaRecorderPrivateWriterWebM.h"
#include "MediaSample.h"
#include "MediaStrategy.h"
#include "PlatformStrategies.h"
#include <wtf/MediaTime.h>
#include <wtf/NativePromise.h>
namespace WebCore {
MediaRecorderPrivateWriter::MediaRecorderPrivateWriter() = default;
MediaRecorderPrivateWriter::~MediaRecorderPrivateWriter() = default;
std::unique_ptr<MediaRecorderPrivateWriter> MediaRecorderPrivateWriter::create(String type, MediaRecorderPrivateWriterListener& listener)
{
if (hasPlatformStrategies()) {
auto writer = platformStrategies()->mediaStrategy().createMediaRecorderPrivateWriter(type, listener);
if (writer)
return writer;
}
if (equalLettersIgnoringASCIICase(type, "video/mp4"_s) || equalLettersIgnoringASCIICase(type, "audio/mp4"_s))
return MediaRecorderPrivateWriterAVFObjC::create(listener);
#if ENABLE(MEDIA_RECORDER_WEBM)
if (equalLettersIgnoringASCIICase(type, "video/webm"_s) || equalLettersIgnoringASCIICase(type, "audio/webm"_s))
return MediaRecorderPrivateWriterWebM::create(listener);
#endif
return nullptr;
}
Ref<MediaRecorderPrivateWriter::WriterPromise> MediaRecorderPrivateWriter::writeFrames(Deque<UniqueRef<MediaSamplesBlock>>&& samples, const MediaTime& endTime)
{
while (!samples.isEmpty())
m_pendingFrames.append(samples.takeFirst());
auto result = Result::Success;
while (!m_pendingFrames.isEmpty() && result == Result::Success)
result = writeFrame(m_pendingFrames.takeFirst().get());
// End the segment if we succeded in writing all frames, otherwise we will retry them on the next call.
if (m_pendingFrames.isEmpty())
forceNewSegment(endTime);
m_lastEndTime = endTime;
return result == Result::Success ? WriterPromise::createAndResolve() : WriterPromise::createAndReject(result);
}
Ref<GenericPromise> MediaRecorderPrivateWriter::close()
{
ASSERT(m_lastEndTime.isValid(), "writeFrames must have been called once");
if (!m_pendingFrames.isEmpty())
writeFrames({ }, m_lastEndTime); // Attempt one last time to write the frames we do have.
m_pendingFrames.clear();
return close(m_lastEndTime);
}
} // namespace WebCore
#endif // ENABLE(MEDIA_RECORDER)
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