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++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "qffmpegsubtitlerenderer_p.h"
++
++ #include <QtMultimedia/qvideosink.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace QFFmpeg {
++
++ SubtitleRenderer::SubtitleRenderer(const PlaybackEngineObjectID &id, const TimeController &tc,
++ QVideoSink *sink)
++ : Renderer(id, tc), m_sink(sink)
++ {
++ }
++
++ void SubtitleRenderer::setOutput(QVideoSink *sink, bool cleanPrevSink)
++ {
++ setOutputInternal(m_sink, sink, [=](QVideoSink *prev) {
++ if (!prev)
++ return;
++
++ if (sink)
++ sink->setSubtitleText(prev->subtitleText());
++
++ if (cleanPrevSink)
++ prev->setSubtitleText({});
++ });
++ }
++
++ SubtitleRenderer::~SubtitleRenderer()
++ {
++ if (m_sink)
++ m_sink->setSubtitleText({});
++ }
++
++ Renderer::RenderingResult SubtitleRenderer::renderInternal(Frame frame)
++ {
++ if (m_sink)
++ m_sink->setSubtitleText(frame.isValid() ? frame.text() : QString());
++
++ return {};
++ }
++
++ } // namespace QFFmpeg
++
++ QT_END_NAMESPACE
++
++ #include "moc_qffmpegsubtitlerenderer_p.cpp"