def __init__(self, player, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_Control()
self.ui.setupUi(self)
self.player = player
self.snipped_img = None
self.update_block_section()
self.connect(self.ui.play,QtCore.SIGNAL("clicked()"),player.play)
self.connect(self.ui.pause,QtCore.SIGNAL("clicked()"),player.pause)
self.connect(self.ui.stop,QtCore.SIGNAL("clicked()"),player.stop)
self.connect(self.ui.back,QtCore.SIGNAL("clicked()"),self.go_back)
self.connect(self.ui.forw,QtCore.SIGNAL("clicked()"),self.go_forward)
self.connect(self.ui.snip_stop,QtCore.SIGNAL("clicked()"),self.snip_stop)
self.connect(self.ui.snip_pre,QtCore.SIGNAL("clicked()"),self.play_pre_snippet)
self.connect(self.ui.snip_next,QtCore.SIGNAL("clicked()"),self.play_next_snippet)
self.ui.slider.sliderMoved[int].connect(self.slider_event)
self.ui.slider.sliderReleased.connect(self.slider_released)
self.ui.speed.valueChanged.connect(self.speed_changed)
class ControlWindow(QtGui.QWidget):
def __init__(self, player, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_Control()
self.ui.setupUi(self)
self.player = player
self.snipped_img = None
self.update_block_section()
self.connect(self.ui.play,QtCore.SIGNAL("clicked()"),player.play)
self.connect(self.ui.pause,QtCore.SIGNAL("clicked()"),player.pause)
self.connect(self.ui.stop,QtCore.SIGNAL("clicked()"),player.stop)
self.connect(self.ui.back,QtCore.SIGNAL("clicked()"),self.go_back)
self.connect(self.ui.forw,QtCore.SIGNAL("clicked()"),self.go_forward)
self.connect(self.ui.snip_stop,QtCore.SIGNAL("clicked()"),self.snip_stop)
self.connect(self.ui.snip_pre,QtCore.SIGNAL("clicked()"),self.play_pre_snippet)
self.connect(self.ui.snip_next,QtCore.SIGNAL("clicked()"),self.play_next_snippet)
self.ui.slider.sliderMoved[int].connect(self.slider_event)
self.ui.slider.sliderReleased.connect(self.slider_released)
self.ui.speed.valueChanged.connect(self.speed_changed)
def keyPressEvent(self, e):
if e.key() == QtCore.Qt.Key_Space:
self.player.pause()
def update_texts(self, player):
self.ui.time.setText('%(start)s / %(end)s' %{'start':utils.sec2time(player.stimulus.act_pos), 'end': player.stimulus.end_pos_str})
self.ui.slider.setValue(int (self.ui.slider.maximum() * player.stimulus.act_pos / player.stimulus.length) )
self.ui.snip_overview.show()
def update_block_section(self):
self.disconnect(self.ui.snip_box, QtCore.SIGNAL("currentIndexChanged(int)"), self.play_snippet_id)
self.ui.snip_box.clear()
self.ui.snip_box.addItem(self.player.snippets[0].label)
for i in range(len(self.player.snippets)-1):
self.ui.snip_box.addItem('Snippet '+ str(i+1) +': ' + self.player.snippets[i+1].label)
if self.player.snippet_id is not None:
self.ui.snip_box.setCurrentIndex(self.player.snippet_id)
self.connect(self.ui.snip_box, QtCore.SIGNAL("currentIndexChanged(int)"), self.play_snippet_id)
self.update_snipped_pixmap()
def update_snipped_pixmap(self):
h = int(self.ui.snip_overview.height())
w = int(self.ui.snip_overview.width())
off = 10
self.img = np.zeros((h,w,3),'uint8')+ 241
for i in range(len(self.player.snippets)-1):
begin = int(self.player.snippets[i+1].begin / self.player.stimulus.length * (w-2*off))+off
end = begin + int(self.player.snippets[i+1].duration / self.player.stimulus.length * w)+1
self.img[:,begin:end,0] = 255
self.img[:,begin:end,1] = 0
self.img[:,begin:end,2] = 0
self.img = cv2.cvtColor(self.img, cv2.COLOR_BGR2BGRA)
# Qt expects 32bit BGRA data for color images:
qimg = QtGui.QImage(self.img.data, w, h, QtGui.QImage.Format_RGB32)
qimg.ndarray = self.img
snipped_pixmap = QtGui.QPixmap(qimg)
self.ui.snip_overview.setPixmap(snipped_pixmap)
def go_back(self, val = 4):
time = self.player.stimulus.act_pos - val
self.ui.time.setText('%(start)s / %(end)s' %{'start':utils.sec2time(time), 'end': self.player.stimulus.end_pos_str})
self.player.snippets[0] = snippet.Snippet(time, self.player.stimulus.length-time, 'user defined')
self.player.play_snippet(0)
def go_forward(self, val = 4):
time = self.player.stimulus.act_pos + val
self.ui.time.setText('%(start)s / %(end)s' %{'start':utils.sec2time(time), 'end': self.player.stimulus.end_pos_str})
self.player.snippets[0] = snippet.Snippet(time, self.player.stimulus.length-time, 'user defined')
self.player.play_snippet(0)
def snip_stop(self):
self.player.set_stop_after(self.ui.snip_stop.isChecked())
def play_pre_snippet(self):
self.player.play_snippet(self.player.snippet_id - 1)
def play_next_snippet(self):
self.player.play_snippet(self.player.snippet_id + 1)
def play_snippet_id(self):
val = self.ui.snip_box.currentIndex()
self.player.play_snippet(val)
def slider_event(self, value):
self.ui.slider.sliderMoved[int].disconnect(self.slider_event)
self.player.qscheduler.stop()
time = value *1./self.ui.slider.maximum() * self.player.stimulus.length
self.ui.time.setText('%(start)s / %(end)s' %{'start':utils.sec2time(time), 'end': self.player.stimulus.end_pos_str})
self.player.snippets[0] = snippet.Snippet(time, self.player.stimulus.length-time, 'user defined')
self.player.show_frame(time)
self.ui.slider.sliderMoved[int].connect(self.slider_event)
def slider_released(self):
self.player.load_snippet(0)
self.player.play()
def speed_changed(self):
was_playing = self.player.qscheduler.isActive()
if was_playing:
self.player.qscheduler.stop()
self.player.stimulus.speed = self.ui.speed.value()
if was_playing:
self.player.play()
def closeEvent(self, event):
self.player.close()
