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111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
#ifndef STREAMER_H
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#define STREAMER_H
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#include <mutex>
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#include <gst/pbutils/pbutils.h>
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#include <gst/app/gstappsrc.h>
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#include "osc/OscReceivedElements.h"
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#include "osc/OscPacketListener.h"
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#include "ip/UdpSocket.h"
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#include "NetworkToolkit.h"
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#include "FrameGrabber.h"
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class Session;
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class VideoStreamer;
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class StreamingRequestListener : public osc::OscPacketListener {
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protected:
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virtual void ProcessMessage( const osc::ReceivedMessage& m,
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const IpEndpointName& remoteEndpoint );
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};
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class Streaming
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{
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friend class StreamingRequestListener;
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// Private Constructor
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Streaming();
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Streaming(Streaming const& copy); // Not Implemented
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Streaming& operator=(Streaming const& copy); // Not Implemented
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public:
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static Streaming& manager()
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{
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// The only instance
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static Streaming _instance;
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return _instance;
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}
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~Streaming();
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void enable(bool on);
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inline bool enabled() const { return enabled_; }
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void setSession(Session *se);
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void removeStreams(const std::string &clientname);
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bool busy();
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std::vector<std::string> listStreams();
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protected:
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void addStream(const std::string &sender, int reply_to, const std::string &clientname);
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void refuseStream(const std::string &sender, int reply_to);
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void removeStream(const std::string &sender, int port);
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private:
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bool enabled_;
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StreamingRequestListener listener_;
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UdpListeningReceiveSocket *receiver_;
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Session *session_;
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int width_;
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int height_;
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std::vector<VideoStreamer *> streamers_;
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std::mutex streamers_lock_;
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};
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class VideoStreamer : public FrameGrabber
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{
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friend class Streaming;
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// Frame buffer information
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FrameBuffer *frame_buffer_;
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uint width_;
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uint height_;
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// connection information
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NetworkToolkit::StreamConfig config_;
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// operation
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std::atomic<bool> streaming_;
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std::atomic<bool> accept_buffer_;
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// gstreamer pipeline
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GstElement *pipeline_;
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GstAppSrc *src_;
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GstClockTime timeframe_;
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GstClockTime timestamp_;
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GstClockTime frame_duration_;
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static void callback_need_data (GstAppSrc *, guint, gpointer user_data);
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static void callback_enough_data (GstAppSrc *, gpointer user_data);
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public:
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VideoStreamer(NetworkToolkit::StreamConfig conf);
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~VideoStreamer();
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void addFrame(FrameBuffer *frame_buffer, float dt) override;
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void stop() override;
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std::string info() override;
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double duration() override;
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bool busy() override;
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};
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#endif // STREAMER_H
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