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/****************************************************************************
*
* (c) 2009-2020 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
*
* QGroundControl is licensed according to the terms in the file
* COPYING.md in the root of the source code directory.
*
****************************************************************************/
/**
* @file
* @brief QGC Video Receiver
* @author Gus Grubba <gus@auterion.com>
*/
#pragma once
#include <QObject>
#include <QSize>
class VideoReceiver : public QObject
{
Q_OBJECT
public:
explicit VideoReceiver(QObject* parent = nullptr)
: QObject(parent)
{}
virtual ~VideoReceiver(void) {}
typedef enum {
FILE_FORMAT_MIN = 0,
FILE_FORMAT_MKV = FILE_FORMAT_MIN,
FILE_FORMAT_MOV,
FILE_FORMAT_MP4,
FILE_FORMAT_MAX
} FILE_FORMAT;
typedef enum {
STATUS_OK = 0,
STATUS_FAIL,
STATUS_INVALID_STATE,
STATUS_INVALID_URL,
STATUS_NOT_IMPLEMENTED
} STATUS;
Q_ENUM(STATUS)
signals:
void timeout(void);
void streamingChanged(bool active);
void decodingChanged(bool active);
void recordingChanged(bool active);
void recordingStarted(void);
void videoSizeChanged(QSize size);
void onStartComplete(STATUS status);
void onStopComplete(STATUS status);
void onStartDecodingComplete(STATUS status);
void onStopDecodingComplete(STATUS status);
void onStartRecordingComplete(STATUS status);
void onStopRecordingComplete(STATUS status);
void onTakeScreenshotComplete(STATUS status);
public slots:
// buffer:
// -1 - disable buffer and video sync
// 0 - default buffer length
// N - buffer length, ms
virtual void start(const QString& uri, unsigned timeout, int buffer = 0) = 0;
virtual void stop(void) = 0;
virtual void startDecoding(void* sink) = 0;
virtual void stopDecoding(void) = 0;
virtual void startRecording(const QString& videoFile, FILE_FORMAT format) = 0;
virtual void stopRecording(void) = 0;
virtual void takeScreenshot(const QString& imageFile) = 0;
};