frodovdr/hyperion.ng
1
0
Fork 0
mirror of https://github.com/hyperion-project/hyperion.ng.git synced 2025-03-01 10:33:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

Create image callback using Qt signal

Browse Source 
Former-commit-id: cf469ba01ffd26d286e6fb8d9f081cf126042e50
This commit is contained in:
johan
2014-02-19 21:52:37 +01:00
parent f0c35071da
commit 69d6e47328
9 changed files with 141 additions and 106 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
include/grabber/V4L2Grabber.h
View File

@@ -4,26 +4,27 @@
#include <string>
#include <vector>
// Qt includes
#include <QObject>
#include <QSocketNotifier>
// util includes
#include <utils/Image.h>
#include <utils/ColorRgb.h>
#include <utils/VideoMode.h>
/// Capture class for V4L2 devices
///
/// @see http://linuxtv.org/downloads/v4l-dvb-apis/capture-example.html
class V4L2Grabber
class V4L2Grabber : public QObject
{
public:
typedef void (*ImageCallback)(void * arg, const Image<ColorRgb> & image);
Q_OBJECT
public:
enum VideoStandard {
PAL, NTSC, NO_CHANGE
};
enum Mode3D {
MODE_NONE, MODE_3DSBS, MODE_3DTAB
};
public:
V4L2Grabber(
const std::string & device,
@@ -36,21 +37,24 @@ public:
int verticalPixelDecimation);
virtual ~V4L2Grabber();
public slots:
void setCropping(int cropLeft,
int cropRight,
int cropTop,
int cropBottom);
void set3D(Mode3D mode);
void setCallback(ImageCallback callback, void * arg);
void set3D(VideoMode mode);
void start();
void capture(int frameCount = -1);
void stop();
signals:
void newFrame(const Image<ColorRgb> & image);
private slots:
int read_frame();
private:
void open_device();
@@ -70,8 +74,6 @@ private:
void stop_capturing();
int read_frame();
bool process_image(const void *p, int size);
void process_image(const uint8_t *p);
@@ -111,10 +113,9 @@ private:
int _horizontalPixelDecimation;
int _verticalPixelDecimation;
Mode3D _mode3D;
VideoMode _mode3D;
int _currentFrame;
ImageCallback _callback;
void * _callbackArg;
QSocketNotifier * _streamNotifier;
};