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bzr-revno: 542
This commit is contained in:
Jon Tibble 2009-09-15 19:23:56 +01:00 committed by Tim Bentley
parent 942932a45e 77edf564fa
commit 51f4c329ec
3 changed files with 65 additions and 44 deletions
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7
openlp/core/lib/__init__.py
View File

@ -43,7 +43,8 @@ def translate(context, text):
``text``
The text to put into the translation tables for translation.
"""
return QtGui.QApplication.translate(context, text, None, QtGui.QApplication.UnicodeUTF8)
return QtGui.QApplication.translate(context, text, None,
QtGui.QApplication.UnicodeUTF8)
def file_to_xml(xmlfile):
"""
@ -87,6 +88,10 @@ def buildIcon(icon):
else:
ButtonIcon.addPixmap(QtGui.QPixmap.fromImage(QtGui.QImage(icon)),
QtGui.QIcon.Normal, QtGui.QIcon.Off)
elif type(icon) is QtGui.QImage:
ButtonIcon = QtGui.QIcon()
ButtonIcon.addPixmap(QtGui.QPixmap.fromImage(icon),
QtGui.QIcon.Normal, QtGui.QIcon.Off)
return ButtonIcon
def contextMenuAction(base, icon, text, slot):

16
openlp/core/lib/settingsmanager.py
View File

@ -40,16 +40,18 @@ class SettingsManager(object):
if mainwindow_docbars > 300:
self.mainwindow_left = 300
self.mainwindow_right = 300
else:
self.mainwindow_left = mainwindow_docbars
self.mainwindow_right = mainwindow_docbars
self.mainwindow_left = int( ConfigHelper.get_config(
u'user interface', u'mediamanager left', self.mainwindow_left))
self.mainwindow_right = int( ConfigHelper.get_config(
u'user interface', u'mediamanager right', self.mainwindow_right))
print self.mainwindow_left, self.mainwindow_right
#self.mainwindow_left = int( ConfigHelper.get_config(
# u'user interface', u'mediamanager left', self.mainwindow_left))
#self.mainwindow_right = int( ConfigHelper.get_config(
# u'user interface', u'mediamanager right', self.mainwindow_right))
self.slidecontroller = (self.width - (self.mainwindow_left + self.mainwindow_right) - 100 ) / 2
self.slidecontroller = (self.width - (
self.mainwindow_left + self.mainwindow_right) - 100 ) / 2
self.slidecontroller_image = self.slidecontroller - 50
print self.width, mainwindow_docbars, self.slidecontroller, self.slidecontroller_image
self.showMediaManager = str_to_bool( ConfigHelper.get_config(
u'user interface', u'display mediamanager', True))

86
openlp/plugins/media/lib/mediaitem.py
View File

@ -28,16 +28,16 @@ import tempfile
try:
import gst
except:
NOGST = True
log = logging.getLogger(u'MediaMediaItemSetup')
log.warning(u'Can\'t generate Videos previews - import gst failed');
from PyQt4 import QtCore, QtGui
from openlp.core.lib import MediaManagerItem, translate
from openlp.core.lib import MediaManagerItem, ServiceItem, translate, \
BaseListWithDnD, buildIcon
from openlp.plugins.media.lib import MediaTab
from openlp.plugins.media.lib import FileListData
from openlp.core.lib import MediaManagerItem, ServiceItem, translate, BaseListWithDnD, buildIcon
from openlp.plugins.media.lib import MediaTab, FileListData
class MediaListView(BaseListWithDnD):
def __init__(self, parent=None):
@ -70,38 +70,50 @@ class MediaMediaItem(MediaManagerItem):
MediaManagerItem.__init__(self, parent, icon, title)
def video_get_preview(self, filename):
"""Gets a preview of the first frame of a video file using
GSTREAMER (non-portable??? - Can't figure out how to do with
Phonon - returns a QImage"""
try:
# Define your pipeline, just as you would at the command prompt.
# This is much easier than trying to create and link each gstreamer element in Python.
# This is great for pipelines that end with a filesink (i.e. there is no audible or visual output)
log.info ("Video preview %s"%( filename))
outfile=tempfile.NamedTemporaryFile(suffix='.png')
cmd=u'filesrc location="%s" ! decodebin ! ffmpegcolorspace ! pngenc ! filesink location="%s"'% (filename, outfile.name)
pipe = gst.parse_launch(cmd)
# Get a reference to the pipeline's bus
bus = pipe.get_bus()
if NOGST:
#
# For now cross platform is an icon. Phonon does not support
# individual frame access (yet?) and GStreamer is not available
# on Windows
#
image = QtGui.QPixmap(u':/media/media_video.png').toImage()
return image
else:
"""
Gets a preview of the first frame of a video file using GSTREAMER
(non-portable) - returns a QImage
"""
try:
# Define your pipeline, just as you would at the command
# prompt. This is much easier than trying to create and link
# each gstreamer element in Python. This is great for
# pipelines that end with a filesink (i.e. there is no audible
# or visual output)
log.info ("Video preview %s"%( filename))
outfile = tempfile.NamedTemporaryFile(suffix='.png')
cmd = u'filesrc location="%s" ! decodebin ! ffmpegcolorspace ! pngenc ! filesink location="%s"'% (filename, outfile.name)
pipe = gst.parse_launch(cmd)
# Get a reference to the pipeline's bus
bus = pipe.get_bus()
# Set the pipeline's state to PLAYING
pipe.set_state(gst.STATE_PLAYING)
# Set the pipeline's state to PLAYING
pipe.set_state(gst.STATE_PLAYING)
# Listen to the pipeline's bus indefinitely until we receive a EOS (end of stream) message.
# This is a super important step, or the pipeline might not work as expected. For example,
# in my example pipeline above, the pngenc will not export an actual image unless you have
# this line of code. It just exports a 0 byte png file. So... don't forget this step.
bus.poll(gst.MESSAGE_EOS, -1)
img = QtGui.QImage(outfile.name)
outfile.close()
# Listen to the pipeline's bus indefinitely until we receive a
# EOS (end of stream) message. This is a super important step,
# or the pipeline might not work as expected. For example, in
# my example pipeline above, the pngenc will not export an
# actual image unless you have this line of code. It just
# exports a 0 byte png file. So... don't forget this step.
bus.poll(gst.MESSAGE_EOS, -1)
img = QtGui.QImage(outfile.name)
outfile.close()
# os.unlink(outfile.name)
pipe.set_state(gst.STATE_NULL)
return img
except:
log.info("Can't generate video preview for some reason");
import sys
print sys.exc_info()
return None
pipe.set_state(gst.STATE_NULL)
return img
except:
log.info("Can't generate video preview for some reason");
return None
def generateSlideData(self, service_item):
indexes = self.ListView.selectedIndexes()
@ -127,7 +139,8 @@ class MediaMediaItem(MediaManagerItem):
pass
def initialise(self):
self.ListView.setSelectionMode(QtGui.QAbstractItemView.ExtendedSelection)
self.ListView.setSelectionMode(
QtGui.QAbstractItemView.ExtendedSelection)
self.ListView.setIconSize(QtCore.QSize(88,50))
self.loadList(self.parent.config.load_list(self.ConfigSection))
@ -137,14 +150,15 @@ class MediaMediaItem(MediaManagerItem):
item_id = (item.data(QtCore.Qt.UserRole)).toInt()[0]
row = self.ListView.row(item)
self.ListView.takeItem(row)
self.parent.config.set_list(self.ConfigSection, self.ListData.getFileList())
self.parent.config.set_list(
self.ConfigSection, self.ListData.getFileList())
def loadList(self, list):
for file in list:
(path, filename) = os.path.split(unicode(file))
item_name = QtGui.QListWidgetItem(filename)
img = self.video_get_preview(file)
#item_name.setIcon(buildIcon(file))
item_name.setIcon(buildIcon(img))
item_name.setData(QtCore.Qt.UserRole, QtCore.QVariant(file))
self.ListView.addItem(item_name)