mirror of
https://github.com/RetroShare/RetroShare.git
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110 lines
3.9 KiB
C++
110 lines
3.9 KiB
C++
/*******************************************************************************
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* plugins/VOIP/gui/QVideoDevice.h *
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* *
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* Copyright (C) 2012 by Retroshare Team <retroshare.project@gmail.com> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Affero General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Affero General Public License for more details. *
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* *
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* You should have received a copy of the GNU Affero General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#pragma once
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#include <QLabel>
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#include <QCamera>
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#include <QCameraInfo>
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#include "interface/rsVOIP.h"
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#include "gui/VideoProcessor.h"
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class VideoEncoder ;
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class QCameraImageCapture;
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// Responsible from displaying the video. The source of the video is
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// a VideoDecoder object, which uses a codec.
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//
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class QVideoOutputDevice: public QLabel
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{
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public:
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QVideoOutputDevice(QWidget *parent = 0) ;
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void showFrame(const QImage&) ;
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void showFrameOff() ;
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};
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// Responsible for grabbing the video from the webcam and sending it to the
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// VideoEncoder object.
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//
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class QVideoInputDevice: public QObject
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{
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Q_OBJECT
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public:
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QVideoInputDevice(QWidget *parent = 0) ;
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~QVideoInputDevice() ;
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// Captured images are sent to this encoder. Can be NULL.
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//
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void setVideoProcessor(VideoProcessor *venc) { _video_processor = venc ; }
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// All images received will be echoed to this target. We could use signal/slots, but it's
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// probably faster this way. Can be NULL.
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//
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void setEchoVideoTarget(QVideoOutputDevice *odev) { _echo_output_device = odev ; }
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// get the next encoded video data chunk.
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//
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bool getNextEncodedPacket(RsVOIPDataChunk&) ;
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// gets the estimated current bandwidth required to transmit the encoded data, in B/s
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//
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uint32_t currentBandwidth() const ;
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// control
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void start(const QString &description = QString()) ;
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void stop() ;
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bool stopped() const;
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enum CameraStatus {
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CAMERA_IS_READY = 0x00,
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CANNOT_INITIALIZE_CAMERA = 0x01,
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CAMERA_CANNOT_GRAB_FRAMES = 0x02
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};
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// Gets the list of available devices. The id string for each device can be used when creating a QVideoDevice
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static void getAvailableDevices(QList<QString>& device_desc);
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QString currentCameraDescriptionString() const { return _capture_device_info.deviceName(); }
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protected slots:
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void grabFrame(int id, QVideoFrame f) ;
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void errorHandling(CameraStatus status,QCamera::Error error);
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signals:
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void networkPacketReady() ;
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void cameraCaptureInfo(CameraStatus status,QCamera::Error qt_cam_err_code);
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private:
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VideoProcessor *_video_processor ;
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QTimer *_timer ;
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QCamera *_capture_device;
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QCameraImageCapture *_image_capture;
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QCameraInfo _capture_device_info;
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QVideoOutputDevice *_echo_output_device ;
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std::list<RsVOIPDataChunk> _out_queue ;
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};
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