1 files changed, 44 insertions, 0 deletions
diff --git a/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegsubtitlerenderer.cpp b/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegsubtitlerenderer.cpp
new file mode 100644
index 000000000..789c9b53b
--- /dev/null
+++ b/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegsubtitlerenderer.cpp
@@ -0,0 +1,44 @@
+// 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 "playbackengine/qffmpegsubtitlerenderer_p.h"
+
+#include "qvideosink.h"
+#include "qdebug.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QFFmpeg {
+
+SubtitleRenderer::SubtitleRenderer(const TimeController &tc, QVideoSink *sink)
+    : Renderer(tc), m_sink(sink)
+{
+}
+
+void SubtitleRenderer::setOutput(QVideoSink *sink, bool cleanPrevSink)
+{
+    setOutputInternal(m_sink, sink, [cleanPrevSink](QVideoSink *prev) {
+        if (prev && 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"