def redirectAudioFilter(self, fg, hint=None):
# find renderer
try:
aurenderer = fg.FindFilterByName('Default DirectSound Device')
except:
aurenderer=None
if not aurenderer:
try:
aurenderer=fg.FindFilterByName('Default WaveOut Device')
except:
aurenderer=None
if not aurenderer and hint:
try:
aurenderer=fg.FindFilterByName(hint)
except:
aurenderer=None
if not aurenderer:
print 'Audio renderer not found'
return None
enumpins=aurenderer.EnumPins()
pin=enumpins.Next()
try:
aulastpin=pin.ConnectedTo()
fg.RemoveFilter(aurenderer)
except:
return None
try:
f = dshow.CreateFilter('Audio Pipe')
except:
print 'Audio pipe filter is not installed'
return None
try:
wmconv=f.QueryIPipe()
except:
print 'Filter does not support interface IPipe'
return
wmconv.SetAdviceSink(self._audiopeer)
fg.AddFilter(f,'AWMC')
fg.Render(aulastpin)
return fg
def __createFilterGraph(self, url):
fg = dshow.CreateGraphBuilder()
url = MMurl.canonURL(url)
url = MMurl.unquote(url)
try:
fg.RenderFile(url)
except:
return None
# find renderer
try:
aurenderer=fg.FindFilterByName('Default DirectSound Device')
except:
aurenderer=None
if not aurenderer:
try:
aurenderer=fg.FindFilterByName('Default WaveOut Device')
except:
aurenderer=None
if not aurenderer:
print 'Audio renderer not found'
return None
enumpins=aurenderer.EnumPins()
pin=enumpins.Next()
aulastpin=pin.ConnectedTo()
fg.RemoveFilter(aurenderer)
try:
f = dshow.CreateFilter('Audio Pipe')
except:
print 'Audio pipe filter is not installed'
return None
try:
wmconv=f.QueryIPipe()
except:
print 'Filter does not support interface IPipe'
return
wmconv.SetAdviceSink(self._audiopeer)
fg.AddFilter(f,'AWMC')
fg.Render(aulastpin)
return fg
def createFilterGraph(self, url):
fg = dshow.CreateGraphBuilder()
import MMurl
url = MMurl.canonURL(url)
url = MMurl.unquote(url)
fg.RenderFile(url)
# find video renderer filter and remove it
renderer = fg.FindFilterByName('Video Renderer')
enumpins = renderer.EnumPins()
pin = enumpins.Next()
lastpin = pin.ConnectedTo()
fg.RemoveFilter(renderer)
# create wmv converter filter
try:
vf = dshow.CreateFilter('Video Windows Media Converter')
except:
print 'Video windows media converter filter is not installed'
return None
# set listener
try:
wmconv = vf.QueryIWMConverter()
except:
print 'Filter does not support interface IWMConverter'
return None
wmconv.SetAdviceSink(self._videopeer)
# add and connect wmv converter filter
fg.AddFilter(vf, 'VWMC')
enumpins = vf.EnumPins()
pin = enumpins.Next()
fg.Connect(lastpin, pin)
# find audio renderer
try:
aurenderer = fg.FindFilterByName('Default DirectSound Device')
except:
aurenderer = None
if not aurenderer:
try:
aurenderer = fg.FindFilterByName('Default WaveOut Device')
except:
aurenderer = None
if aurenderer:
enumpins = aurenderer.EnumPins()
pin = enumpins.Next()
aulastpin = pin.ConnectedTo()
fg.RemoveFilter(aurenderer)
try:
f = dshow.CreateFilter('Audio Windows Media Converter')
except:
print 'Audio windows media converter filter is not installed'
return None
try:
wmconv = f.QueryIWMConverter()
except:
print 'Filter does not support interface IWMConverter'
return
wmconv.SetAdviceSink(self._audiopeer)
fg.AddFilter(f, 'AWMC')
fg.Render(aulastpin)
return fg
def convertvideofile(url, dstdir, file, node):
import producer
global engine
# ignore suggested extension and make our own
file = os.path.splitext(file)[0] + '.rm'
fullpath = os.path.join(dstdir, file)
if engine is None:
engine = producer.CreateRMBuildEngine()
for pin in engine.GetPins():
if pin.GetOutputMimeType() == producer.MIME_REALVIDEO:
videopin = pin
elif pin.GetOutputMimeType() == producer.MIME_REALAUDIO:
audiopin = pin
engine.SetDoOutputMimeType(producer.MIME_REALAUDIO, 0)
engine.SetDoOutputMimeType(producer.MIME_REALVIDEO, 1)
engine.SetDoOutputMimeType(producer.MIME_REALEVENT, 0)
engine.SetDoOutputMimeType(producer.MIME_REALIMAGEMAP, 0)
engine.SetDoOutputMimeType(producer.MIME_REALPIX, 0)
engine.SetRealTimeEncoding(0)
engine.SetDoMultiRateEncoding(1)
cp = engine.GetClipProperties()
ts = engine.GetTargetSettings()
if node is not None:
cp.SetTitle(MMAttrdefs.getattr(node, 'title'))
cp.SetAuthor(MMAttrdefs.getattr(node, 'author'))
cp.SetCopyright(MMAttrdefs.getattr(node, 'copyright'))
ts.SetVideoQuality(MMAttrdefs.getattr(node, 'project_videotype'))
ts.RemoveAllTargetAudiences()
target = MMAttrdefs.getattr(node, 'project_targets')
for i in range(5):
if (1 << i) & target:
ts.AddTargetAudience(i)
if not target:
ts.AddTargetAudience(producer.ENC_TARGET_28_MODEM)
else:
# we don't know nothin' about the node so use some defaults
cp.SetTitle('')
cp.SetAuthor('')
cp.SetCopyright('')
# XXX: for testing incr caps
#ts.AddTargetAudience(producer.ENC_TARGET_28_MODEM)
ts.AddTargetAudience(producer.ENC_TARGET_DUAL_ISDN)
#ts.SetVideoQuality(producer.ENC_VIDEO_QUALITY_NORMAL)
ts.SetVideoQuality(producer.ENC_VIDEO_QUALITY_SMOOTH_MOTION)
cp.SetPerfectPlay(1)
cp.SetMobilePlay(0)
cp.SetSelectiveRecord(0)
cp.SetDoOutputServer(0)
cp.SetDoOutputFile(1)
cp.SetOutputFilename(fullpath)
import dshow, MMurl
b = dshow.CreateGraphBuilder()
url = MMurl.canonURL(url)
url = MMurl.unquote(url)
b.RenderFile(url)
renderer = b.FindFilterByName('Video Renderer')
enumpins = renderer.EnumPins()
pin = enumpins.Next()
lastpin = pin.ConnectedTo()
b.RemoveFilter(renderer)
try:
vf = dshow.CreateFilter('Video Real Media Converter')
except:
print 'Video real media converter filter is not installed'
return
b.AddFilter(vf, 'VRMC')
b.Render(lastpin)
try:
aurenderer = b.FindFilterByName('Default DirectSound Device')
except:
aurenderer = None
if not aurenderer:
try:
aurenderer = b.FindFilterByName('Default WaveOut Device')
except:
aurenderer = None
if aurenderer:
enumpins = aurenderer.EnumPins()
pin = enumpins.Next()
lastpin = pin.ConnectedTo()
b.RemoveFilter(aurenderer)
try:
af = dshow.CreateFilter('Audio Real Media Converter')
except:
aurenderer = None
else:
b.AddFilter(af, 'ARMC')
b.Render(lastpin)
try:
vrconv = vf.QueryIRealConverter()
except:
print 'Filter does not support interface IRealConverter'
return
try:
ukeng = engine.QueryInterfaceUnknown()
except:
print 'RMABuildEngine QueryInterfaceUnknown failed'
return
vrconv.SetInterface(ukeng, 'IRMABuildEngine')
try:
ukpin = videopin.QueryInterfaceUnknown()
except:
print 'RMAInputPin QueryInterfaceUnknown failed'
return
vrconv.SetInterface(ukpin, 'IRMAInputPin')
if aurenderer:
try:
arconv = af.QueryIRealConverter()
except:
aurenderer = None
else:
arconv.SetInterface(ukeng, 'IRMABuildEngine')
if aurenderer:
try:
ukpin = audiopin.QueryInterfaceUnknown()
except:
aurenderer = None
else:
arconv.SetInterface(ukpin, 'IRMAInputPin')
if aurenderer:
engine.SetDoOutputMimeType(producer.MIME_REALAUDIO, 1)
ts.SetAudioContent(producer.ENC_AUDIO_CONTENT_VOICE)
# PinProperties,MediaSample,PrepareToEncode,Encode, DoneEncoding
# are all managed by our dshow filter
mc = b.QueryIMediaControl()
mc.Run()
import sys
if sys.platform == 'win32':
# remove messages in queue
# dispatch only paint message
import win32ui
while b.WaitForCompletion(0) == 0:
win32ui.PumpWaitingMessages()
mc.Stop()
win32ui.PumpWaitingMessages()
else:
b.WaitForCompletion()
mc.Stop()
del b
def convertaudiofile(url, dstdir, file, node):
# ignore suggested extension and make our own
file = os.path.splitext(file)[0] + '.wma'
fullpath = os.path.join(dstdir, file)
profman = wmfapi.CreateProfileManager()
# set an apropriate system profile
# or a create a new one
profile = profman.LoadSystemProfile(10)
# find audio pin
writer = wmfapi.CreateWriter()
writer.SetProfile(profile)
npins = writer.GetInputCount()
audiopinix = -1
audiopinmt = None
audiopinprops = None
print 'profile pins:'
for i in range(npins):
pinprop = writer.GetInputProps(i)
pintype = pinprop.GetType()
if pintype == wmfapi.WMMEDIATYPE_Audio:
audiopinix = i
audiopinprops = pinprop
audiopinmt = pinprop.GetMediaType()
if audiopinix >= 0:
print 'audiopin is pin ', audiopinix
else:
print 'no audio pin'
return None
writer.SetOutputFilename(fullpath)
b = dshow.CreateGraphBuilder()
import MMurl
url = MMurl.canonURL(url)
url = MMurl.unquote(url)
b.RenderFile(url)
# find renderer
try:
aurenderer = b.FindFilterByName('Default DirectSound Device')
except:
aurenderer = None
if not aurenderer:
try:
aurenderer = b.FindFilterByName('Default WaveOut Device')
except:
aurenderer = None
if not aurenderer:
return None
enumpins = aurenderer.EnumPins()
pin = enumpins.Next()
aulastpin = pin.ConnectedTo()
b.RemoveFilter(aurenderer)
try:
f = dshow.CreateFilter('Audio Windows Media Converter')
except:
print 'Audio windows media converter filter is not installed'
return None
b.AddFilter(f, 'AWMC')
b.Render(aulastpin)
try:
wmconv = f.QueryIWMConverter()
except:
print 'Filter does not support interface IWMConverter'
return
try:
uk = writer.QueryIUnknown()
except:
print 'WMWriter QueryIUnknown failed'
return
wmconv.SetWMWriter(uk)
try:
uk = audiopinprops.QueryIUnknown()
except:
print 'WMInputMediaProps QueryIUnknown failed'
return
wmconv.SetAudioInputProps(audiopinix, uk)
# media properties and converting is
# managed by our dshow filter
mc = b.QueryIMediaControl()
mc.Run()
import sys
if sys.platform == 'win32':
# remove messages in queue
import win32ui
while b.WaitForCompletion(0) == 0:
win32ui.PumpWaitingMessages()
mc.Stop()
win32ui.PumpWaitingMessages()
else:
b.WaitForCompletion()
mc.Stop()
