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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* stream.h - Video stream for a Camera
*/
#ifndef __LIBCAMERA_STREAM_H__
#define __LIBCAMERA_STREAM_H__
#include <string>
#include <libcamera/buffer.h>
#include <libcamera/geometry.h>
namespace libcamera {
class Camera;
struct StreamConfiguration {
unsigned int pixelFormat;
Size size;
unsigned int bufferCount;
std::string toString() const;
};
class StreamUsage
{
public:
enum Role {
StillCapture,
VideoRecording,
Viewfinder,
};
Role role() const { return role_; }
const Size &size() const { return size_; }
protected:
explicit StreamUsage(Role role);
StreamUsage(Role role, const Size &size);
private:
Role role_;
Size size_;
};
class Stream
{
public:
class StillCapture : public StreamUsage
{
public:
StillCapture();
};
class VideoRecording : public StreamUsage
{
public:
VideoRecording();
};
class Viewfinder : public StreamUsage
{
public:
Viewfinder(int width, int height);
};
Stream();
BufferPool &bufferPool() { return bufferPool_; }
const StreamConfiguration &configuration() const { return configuration_; }
protected:
friend class Camera;
BufferPool bufferPool_;
StreamConfiguration configuration_;
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_STREAM_H__ */
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