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--- dpgconv-9.py.old 2009-10-28 19:33:46.000000000 +1030
+++ dpgconv-9.py 2009-10-28 19:28:01.000000000 +1030
@@ -49,9 +49,12 @@
--width xxx
destination video width (default: 256)
--keep-aspect
- try to keep aspect ratio
+ try to keep aspect ratio by letterboxing
+ --keep-aspect-panscan
+ try to keep aspect ratio by cropping original
NOTE: width/height have no effect when --keep-aspect is set
+ --keep-aspect-panscan overrides --keep-aspect
--mv
additional parameters for mencoder for video
@@ -150,8 +153,38 @@
v_pf = "format=rgb24,"
options.pf = 3
- if options.aspect:
- aspect = commands.getoutput( MPLAYER + " -frames 1 -vo null -ao null -identify \"" + file + "\" | grep -E \"^ID_VIDEO_ASPECT\"")
+ crop=""
+ if options.panscan:
+ options.width=256
+ options.height=192
+
+ aspect = commands.getoutput( MPLAYER + " -frames 1 -vo null -ao null -identify \"" + file + "\" | grep -E \"^ID_VIDEO_ASPECT\" | tail -1")
+ p1 = re.compile ("ID_VIDEO_ASPECT=(.*)")
+ m1 = p1.search( aspect )
+ width = commands.getoutput( MPLAYER + " -frames 1 -vo null -ao null -identify \"" + file + "\" | grep -E \"^ID_VIDEO_WIDTH\" | tail -1")
+ p2 = re.compile ("ID_VIDEO_WIDTH=(.*)")
+ m2 = p2.search( width )
+ height = commands.getoutput( MPLAYER + " -frames 1 -vo null -ao null -identify \"" + file + "\" | grep -E \"^ID_VIDEO_HEIGHT\" | tail -1")
+ p3 = re.compile ("ID_VIDEO_HEIGHT=(.*)")
+ m3 = p3.search( height )
+ if m1 and m2 and m3:
+ print "Input Aspect %s" % m1.group(1)
+ print "Input Width %s" % m2.group(1)
+ print "Input Height %s" % m3.group(1)
+ ar = float (m1.group(1))
+ iw = int (m2.group(1))
+ ih = int (m3.group(1))
+ if aspect > 1.333333:
+ cropw=int(round(iw / ar * 4 / 3, 0))
+ croph=ih
+ else:
+ cropw=iw
+ croph=int(round(ih * ar * 3 / 4, 0))
+ crop="crop="+`cropw`+":"+`croph`+","
+ print crop
+
+ elif options.aspect:
+ aspect = commands.getoutput( MPLAYER + " -frames 1 -vo null -ao null -identify \"" + file + "\" | grep -E \"^ID_VIDEO_ASPECT\" | tail -1")
p = re.compile ("ID_VIDEO_ASPECT=(.*)")
m = p.search( aspect )
if m:
@@ -169,13 +202,13 @@
if options.fps < 24:
print "mencoder won't work with double pass and fps < 24, forcing fps = 24"
options.fps = 24
- v_cmd = ( " \""+ file +"\" -v -ofps " + `options.fps` + " -sws 9 -vf " + v_pf + "scale=" + `options.width` + ":" + `options.height` +":::3,harddup -nosound -ovc lavc -lavcopts vcodec=mpeg1video:vstrict=-2:mbd=2:trell:cbp:mv0:vmax_b_frames=2:cmp=6:subcmp=6:precmp=6:dia=4:predia=4:bidir_refine=4:mv0_threshold=0:last_pred=3:vbitrate=" + `options.vbps` )
+ v_cmd = ( " \""+ file +"\" -v -ofps " + `options.fps` + " -sws 9 -vf " + v_pf + crop + "scale=" + `options.width` + ":" + `options.height` +":::3,harddup -nosound -ovc lavc -lavcopts vcodec=mpeg1video:vstrict=-2:mbd=2:trell:cbp:mv0:vmax_b_frames=2:cmp=6:subcmp=6:precmp=6:dia=4:predia=4:bidir_refine=4:mv0_threshold=0:last_pred=3:vbitrate=" + `options.vbps` )
elif options.hq:
- v_cmd = ( " \""+ file +"\" -v -ofps " + `options.fps` + " -sws 9 -vf " + v_pf + "scale=" + `options.width` + ":" + `options.height` +":::3,harddup -nosound -ovc lavc -lavcopts vcodec=mpeg1video:vstrict=-2:mbd=2:trell:cbp:mv0:cmp=6:subcmp=6:precmp=6:dia=3:predia=3:last_pred=3:vbitrate=" + `options.vbps` + " -o " + MPGTMP + " -of rawvideo" )
+ v_cmd = ( " \""+ file +"\" -v -ofps " + `options.fps` + " -sws 9 -vf " + v_pf + crop + "scale=" + `options.width` + ":" + `options.height` +":::3,harddup -nosound -ovc lavc -lavcopts vcodec=mpeg1video:vstrict=-2:mbd=2:trell:cbp:mv0:cmp=6:subcmp=6:precmp=6:dia=3:predia=3:last_pred=3:vbitrate=" + `options.vbps` + " -o " + MPGTMP + " -of rawvideo" )
elif options.lq:
- v_cmd = ( " \"" + file + "\" -v -ofps " + `options.fps` + " -vf " + v_pf + "scale=" + `options.width` + ":" + `options.height` + ",harddup -nosound -ovc lavc -lavcopts vcodec=mpeg1video:vstrict=-2:vbitrate=" + `options.vbps` + " -o " + MPGTMP + " -of rawvideo" )
+ v_cmd = ( " \"" + file + "\" -v -ofps " + `options.fps` + " -vf " + v_pf + crop + "scale=" + `options.width` + ":" + `options.height` + ",harddup -nosound -ovc lavc -lavcopts vcodec=mpeg1video:vstrict=-2:vbitrate=" + `options.vbps` + " -o " + MPGTMP + " -of rawvideo" )
else :
- v_cmd = ( " \""+ file +"\" -v -ofps " + `options.fps` + " -sws 9 -vf " + v_pf + "scale=" + `options.width` + ":" + `options.height` + ":::3,harddup -nosound -ovc lavc -lavcopts vcodec=mpeg1video:vstrict=-2:mbd=2:trell:cbp:mv0:cmp=2:subcmp=2:precmp=2:vbitrate=" + `options.vbps` + " -o " + MPGTMP + " -of rawvideo")
+ v_cmd = ( " \""+ file +"\" -v -ofps " + `options.fps` + " -sws 9 -vf " + v_pf + crop + "scale=" + `options.width` + ":" + `options.height` + ":::3,harddup -nosound -ovc lavc -lavcopts vcodec=mpeg1video:vstrict=-2:mbd=2:trell:cbp:mv0:cmp=2:subcmp=2:precmp=2:vbitrate=" + `options.vbps` + " -o " + MPGTMP + " -of rawvideo")
if options.nosub:
if options.sub != None:
@@ -459,6 +492,7 @@
parser.add_option("-a","--abps", type="int", dest="abps", default=128)
parser.add_option("--volnorm", action="store_true", dest="volnorm", default=False)
parser.add_option("--keep-aspect", action="store_true", dest="aspect", default=False)
+parser.add_option("--keep-aspect-panscan", action="store_true", dest="panscan", default=False)
parser.add_option("--height", type="int", dest="height", default=192)
parser.add_option("--width", type="int", dest="width", default=256)
parser.add_option("-z","--hz", type="int", dest="hz", default=32000)
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