QGCVideoStreamInfo.cc

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#include "QGCVideoStreamInfo.h"
#include "QGCLoggingCategory.h"
 
QGC_LOGGING_CATEGORY(QGCVideoStreamInfoLog, "Camera.QGCVideoStreamInfo")
 
QGCVideoStreamInfo::QGCVideoStreamInfo(const mavlink_video_stream_information_t &info, QObject *parent)
    : QObject(parent)
{
    qCDebug(QGCVideoStreamInfoLog) << this;
 
    (void) memcpy(&_streamInfo, &info, sizeof(mavlink_video_stream_information_t));
}
 
QGCVideoStreamInfo::~QGCVideoStreamInfo()
{
 
}
 
qreal QGCVideoStreamInfo::aspectRatio() const
{
    qreal ar = 1.0;
    if (!resolution().isNull()) {
        ar = static_cast<double>(_streamInfo.resolution_h) / static_cast<double>(_streamInfo.resolution_v);
    }
    return ar;
}
 
bool QGCVideoStreamInfo::update(const mavlink_video_stream_status_t &status)
{
    bool changed = false;
 
    if (_streamInfo.hfov != status.hfov) {
        changed = true;
        _streamInfo.hfov = status.hfov;
    }
 
    if (_streamInfo.flags != status.flags) {
        changed = true;
        _streamInfo.flags = status.flags;
    }
 
    if (_streamInfo.bitrate != status.bitrate) {
        changed = true;
        _streamInfo.bitrate = status.bitrate;
    }
 
    if (_streamInfo.rotation != status.rotation) {
        changed = true;
        _streamInfo.rotation = status.rotation;
    }
 
    if (_streamInfo.framerate != status.framerate) {
        changed = true;
        _streamInfo.framerate = status.framerate;
    }
 
    if (_streamInfo.resolution_h != status.resolution_h) {
        changed = true;
        _streamInfo.resolution_h = status.resolution_h;
    }
 
    if (_streamInfo.resolution_v != status.resolution_v) {
        changed = true;
        _streamInfo.resolution_v = status.resolution_v;
    }
 
    if (changed) {
        emit infoChanged();
    }
 
    return changed;
}