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/*
* Copyright (C) 2025 Igalia, S.L
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#if ENABLE(VIDEO) && USE(GSTREAMER)
#include "GRefPtrGStreamer.h"
#include <wtf/CheckedRef.h>
#include <wtf/Forward.h>
#include <wtf/RunLoop.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class GStreamerVideoFrameConverter final : public CanMakeCheckedPtr<GStreamerVideoFrameConverter> {
WTF_MAKE_TZONE_ALLOCATED(GStreamerVideoFrameConverter);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(GStreamerVideoFrameConverter);
friend NeverDestroyed<GStreamerVideoFrameConverter>;
public:
static GStreamerVideoFrameConverter& singleton();
WARN_UNUSED_RETURN GRefPtr<GstSample> convert(const GRefPtr<GstSample>&, const GRefPtr<GstCaps>&);
private:
GStreamerVideoFrameConverter();
class Pipeline {
WTF_MAKE_TZONE_ALLOCATED(Pipeline);
public:
enum class Type : uint8_t {
SystemMemory,
#if USE(GSTREAMER_GL)
GLMemory,
DMABufMemory
#endif
};
Pipeline(Type);
~Pipeline();
GRefPtr<GstSample> run(const GRefPtr<GstSample>&, GstCaps*);
private:
Type m_type { Type::SystemMemory };
GRefPtr<GstElement> m_pipeline;
GRefPtr<GstElement> m_src;
GRefPtr<GstElement> m_sink;
GRefPtr<GstElement> m_capsfilter;
};
Pipeline& ensurePipeline(GstCaps*);
void releaseUnusedSystemMemoryPipelineTimerFired();
#if USE(GSTREAMER_GL)
void releaseUnusedGLMemoryPipelineTimerFired();
void releaseUnusedDMABufMemoryPipelineTimerFired();
#endif
std::unique_ptr<Pipeline> m_systemMemoryPipeline;
std::unique_ptr<RunLoop::Timer> m_releaseUnusedSystemMemoryPipelineTimer;
#if USE(GSTREAMER_GL)
std::unique_ptr<Pipeline> m_glMemoryPipeline;
std::unique_ptr<RunLoop::Timer> m_releaseUnusedGLMemoryPipelineTimer;
std::unique_ptr<Pipeline> m_dmabufMemoryPipeline;
std::unique_ptr<RunLoop::Timer> m_releaseUnusedDMABufMemoryPipelineTimer;
#endif
};
} // namespace WebCore
#endif // ENABLE(VIDEO) && USE(GSTREAMER)
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