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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* stream.h - Video stream for a Camera
*/
#pragma once
#include <map>
#include <memory>
#include <string>
#include <vector>
#include <libcamera/color_space.h>
#include <libcamera/framebuffer.h>
#include <libcamera/geometry.h>
#include <libcamera/pixel_format.h>
namespace libcamera {
class Camera;
class Stream;
class StreamFormats
{
public:
StreamFormats();
StreamFormats(const std::map<PixelFormat, std::vector<SizeRange>> &formats);
std::vector<PixelFormat> pixelformats() const;
std::vector<Size> sizes(const PixelFormat &pixelformat) const;
SizeRange range(const PixelFormat &pixelformat) const;
private:
std::map<PixelFormat, std::vector<SizeRange>> formats_;
};
struct StreamConfiguration {
StreamConfiguration();
StreamConfiguration(const StreamFormats &formats);
PixelFormat pixelFormat;
Size size;
unsigned int stride;
unsigned int frameSize;
unsigned int bufferCount;
std::optional<ColorSpace> colorSpace;
Stream *stream() const { return stream_; }
void setStream(Stream *stream) { stream_ = stream; }
const StreamFormats &formats() const { return formats_; }
std::string toString() const;
private:
Stream *stream_;
StreamFormats formats_;
};
enum StreamRole {
Raw,
StillCapture,
VideoRecording,
Viewfinder,
};
using StreamRoles = std::vector<StreamRole>;
class Stream
{
public:
Stream();
const StreamConfiguration &configuration() const { return configuration_; }
protected:
friend class Camera;
StreamConfiguration configuration_;
};
} /* namespace libcamera */
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