cgit.sxemacs.org Git - harmattan/cameraplus/blob - lib/qtcamvideomode.cpp

   1 #include "qtcamvideomode.h"
   2 #include "qtcammode_p.h"
   3 #include <QDebug>
   4 #include "qtcamdevice_p.h"
   5 #include "qtcamdevice.h"
   6 #include "qtcamvideosettings.h"
   7
   8 class QtCamVideoModePrivate : public QtCamModePrivate {
   9 public:
  10   QtCamVideoModePrivate(QtCamDevicePrivate *dev) :
  11   QtCamModePrivate(dev),
  12   settings(dev->conf->defaultVideoSettings()) {
  13
  14   }
  15
  16   ~QtCamVideoModePrivate() {}
  17
  18   void _d_idleStateChanged(bool isIdle) {
  19     if (isIdle && dev->active == dev->video) {
  20       QMetaObject::invokeMethod(dev->video, "recordingStateChanged");
  21       QMetaObject::invokeMethod(dev->video, "canCaptureChanged");
  22     }
  23   }
  24
  25   QtCamVideoSettings settings;
  26 };
  27
  28 QtCamVideoMode::QtCamVideoMode(QtCamDevicePrivate *dev, QObject *parent) :
  29   QtCamMode(new QtCamVideoModePrivate(dev), "mode-video", "video-done", parent) {
  30
  31   d = (QtCamVideoModePrivate *)QtCamMode::d_ptr;
  32
  33   QString name = d_ptr->dev->conf->videoEncodingProfileName();
  34   QString path = d_ptr->dev->conf->videoEncodingProfilePath();
  35
  36   if (!name.isEmpty() && !path.isEmpty()) {
  37     GstEncodingProfile *profile = d_ptr->loadProfile(path, name);
  38     if (profile) {
  39       setProfile(profile);
  40     }
  41   }
  42
  43   QObject::connect(d_ptr->dev->q_ptr, SIGNAL(idleStateChanged(bool)),
  44                    this, SLOT(_d_idleStateChanged(bool)));
  45 }
  46
  47 QtCamVideoMode::~QtCamVideoMode() {
  48   d = 0;
  49 }
  50
  51 bool QtCamVideoMode::canCapture() {
  52   return d_ptr->dev->q_ptr->isIdle();
  53 }
  54
  55 void QtCamVideoMode::applySettings() {
  56   QPair<int, int> fps = d_ptr->night ? d->settings.nightFrameRate() : d->settings.frameRate();
  57
  58   d_ptr->setCaps("viewfinder-caps", d->settings.captureResolution(),
  59                  fps);
  60
  61   d_ptr->setCaps("video-capture-caps", d->settings.captureResolution(),
  62                  fps);
  63
  64   setPreviewSize(d->settings.previewResolution());
  65 }
  66
  67 void QtCamVideoMode::start() {
  68   // Nothing
  69 }
  70
  71 void QtCamVideoMode::stop() {
  72   if (isRecording()) {
  73     stopRecording();
  74   }
  75 }
  76
  77 bool QtCamVideoMode::isRecording() {
  78   return !d_ptr->dev->q_ptr->isIdle();
  79 }
  80
  81 bool QtCamVideoMode::startRecording(const QString& fileName) {
  82   if (!canCapture() || isRecording()) {
  83     return false;
  84   }
  85
  86   setFileName(fileName);
  87
  88   g_object_set(d_ptr->dev->cameraBin, "location", fileName.toUtf8().data(), NULL);
  89   g_signal_emit_by_name(d_ptr->dev->cameraBin, "start-capture", NULL);
  90
  91   emit recordingStateChanged();
  92
  93   emit canCaptureChanged();
  94
  95   return true;
  96 }
  97
  98 void QtCamVideoMode::stopRecording() {
  99   if (isRecording()) {
 100     g_signal_emit_by_name(d_ptr->dev->cameraBin, "stop-capture", NULL);
 101   }
 102 }
 103
 104 bool QtCamVideoMode::setSettings(const QtCamVideoSettings& settings) {
 105   d->settings = settings;
 106
 107   if (isRecording()) {
 108     return false;
 109   }
 110
 111   applySettings();
 112
 113   return true;
 114 }
 115
 116 void QtCamVideoMode::setProfile(GstEncodingProfile *profile) {
 117   if (!d_ptr->dev->cameraBin) {
 118     gst_encoding_profile_unref(profile);
 119     return;
 120   }
 121
 122   g_object_set(d_ptr->dev->cameraBin, "video-profile", profile, NULL);
 123 }
 124
 125 #include "moc_qtcamvideomode.cpp"