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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# libavg - Media Playback Engine.
# Copyright (C) 2003-2014 Ulrich von Zadow
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Current versions can be found at www.libavg.de
import sys
from libavg import avg, app, player, widget
class VideoPlayer(app.MainDiv):
CONTROL_WIDTH=240
def onArgvParserCreated(self, parser):
parser.set_usage("%prog [options] <filename>")
parser.add_option("-d", "--disable-accel", dest="disableAccel",
action="store_true", default=False,
help="disable vdpau acceleration")
def onArgvParsed(self, options, args, parser):
if len(args) != 1:
parser.print_help()
sys.exit(1)
self.node = avg.VideoNode(href=args[0], accelerated=not(options.disableAccel))
self.node.pause()
mediaSize = self.node.getMediaSize()
size = avg.Point2D(max(mediaSize.x, 320), max(mediaSize.y, 120))
screenSize = player.getScreenResolution()
size = avg.Point2D(min(size.x, screenSize.x), min(size.y, screenSize.y-80))
self.settings.set("app_resolution", "%dx%d" %(size.x, size.y))
def onInit(self):
self.node.play()
mediaSize = self.node.getMediaSize()
canvasSize = self.size
sizeRatio = min(mediaSize.x/canvasSize.x, mediaSize.y/canvasSize.y)
self.node.size /= sizeRatio
self.node.x = (self.width-self.node.width)/2
self.node.y = (self.height-self.node.height)/2
self.node.subscribe(avg.VideoNode.END_OF_FILE, self.onEOF)
if self.node.hasAlpha():
self.__makeAlphaBackground()
self.appendChild(self.node)
self.curFrameWords = avg.WordsNode(parent=self, pos=(10, 10), fontsize=10)
self.framesQueuedWords = avg.WordsNode(parent=self, pos=(10, 22), fontsize=10)
controlPos = ((self.width-VideoPlayer.CONTROL_WIDTH)/2, self.height-25)
self.videoControl = widget.MediaControl(pos=controlPos,
size=(VideoPlayer.CONTROL_WIDTH, 20),
duration=self.node.getDuration(),
parent=self)
self.videoControl.play()
self.videoControl.subscribe(widget.MediaControl.PLAY_CLICKED, self.onPlay)
self.videoControl.subscribe(widget.MediaControl.PAUSE_CLICKED, self.onPause)
self.videoControl.subscribe(widget.MediaControl.SEEK_PRESSED, self.onSeekStart)
self.videoControl.subscribe(widget.MediaControl.SEEK_RELEASED, self.onSeekEnd)
self.videoControl.subscribe(widget.MediaControl.SEEK_MOTION, self.onSeek)
self.isSeeking = False
self.isPaused = False
def onKeyDown(self, event):
curTime = self.node.getCurTime()
if event.keystring == "right":
self.node.seekToTime(curTime+10000)
elif event.keystring == "left":
if curTime > 10000:
self.node.seekToTime(curTime-10000)
else:
self.node.seekToTime(0)
return False
def onFrame(self):
curFrame = self.node.getCurFrame()
numFrames = self.node.getNumFrames()
self.curFrameWords.text = "Frame: %i/%i"%(curFrame, numFrames)
framesQueued = self.node.getNumFramesQueued()
self.framesQueuedWords.text = "Frames queued: "+str(framesQueued)
if not(self.isSeeking):
self.videoControl.time = self.node.getCurTime()
def onEOF(self):
self.videoControl.pause()
self.isPaused = True
def onPlay(self):
self.node.play()
self.isPaused = False
def onPause(self):
self.node.pause()
self.isPaused = True
def onSeekStart(self):
self.node.pause()
self.isSeeking = True
def onSeekEnd(self):
if not(self.isPaused):
self.node.play()
self.isSeeking = False
def onSeek(self, time):
self.node.seekToTime(int(time))
def __makeAlphaBackground(self):
SQUARESIZE=40
size = self.node.getMediaSize()
avg.RectNode(parent=self, size=self.node.getMediaSize(),
strokewidth=0, fillcolor="FFFFFF", fillopacity=1)
for y in xrange(0, int(size.y)/SQUARESIZE):
for x in xrange(0, int(size.x)/(SQUARESIZE*2)):
pos = avg.Point2D(x*SQUARESIZE*2, y*SQUARESIZE)
if y%2==1:
pos += (SQUARESIZE, 0)
avg.RectNode(parent=self, pos=pos, size=(SQUARESIZE, SQUARESIZE),
strokewidth=0, fillcolor="C0C0C0", fillopacity=1)
if __name__ == "__main__":
app.App().run(VideoPlayer())
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