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https://github.com/brunoherbelin/vimix.git
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117 lines
2.6 KiB
C++
117 lines
2.6 KiB
C++
#ifndef DEVICESOURCE_H
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#define DEVICESOURCE_H
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#include <vector>
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#include <set>
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#include "GstToolkit.h"
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#include "StreamSource.h"
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struct DeviceConfig {
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gint width;
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gint height;
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gint fps_numerator;
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gint fps_denominator;
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std::string format;
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DeviceConfig() {
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width = 0;
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height = 0;
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fps_numerator = 1;
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fps_denominator = 1;
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format = "";
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}
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inline DeviceConfig& operator = (const DeviceConfig& b)
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{
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if (this != &b) {
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this->width = b.width;
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this->height = b.height;
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this->fps_numerator = b.fps_numerator;
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this->fps_denominator = b.fps_denominator;
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this->format = b.format;
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}
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return *this;
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}
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inline bool operator < (const DeviceConfig b) const
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{
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return ( this->fps_numerator * this->height < b.fps_numerator * b.height );
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}
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};
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struct better_device_comparator
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{
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inline bool operator () (const DeviceConfig a, const DeviceConfig b) const
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{
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return (a < b);
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}
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};
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typedef std::set<DeviceConfig, better_device_comparator> DeviceConfigSet;
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class Device
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{
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Device();
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Device(Rendering const& copy); // Not Implemented
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Device& operator=(Rendering const& copy); // Not Implemented
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public:
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static Device& manager()
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{
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// The only instance
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static Device _instance;
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return _instance;
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}
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int numDevices () const;
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std::string name (int index) const;
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std::string description (int index) const;
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DeviceConfigSet config (int index) const;
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bool exists (const std::string &device) const;
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bool unplugged (const std::string &device) const;
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int index (const std::string &device) const;
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static gboolean callback_device_monitor (GstBus *, GstMessage *, gpointer);
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static DeviceConfigSet getDeviceConfigs(const std::string &src_description);
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private:
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void remove(const char *device);
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std::vector< std::string > src_name_;
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std::vector< std::string > src_description_;
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std::vector< DeviceConfigSet > src_config_;
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bool list_uptodate_;
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GstDeviceMonitor *monitor_;
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};
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class DeviceSource : public StreamSource
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{
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public:
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DeviceSource();
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// Source interface
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bool failed() const override;
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void accept (Visitor& v) override;
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// StreamSource interface
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Stream *stream() const override { return stream_; }
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// specific interface
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void setDevice(const std::string &devicename);
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inline std::string device() const { return device_; }
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private:
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std::string device_;
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};
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#endif // DEVICESOURCE_H
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