Hey all,
I'm trying to use DirectShow to display videos [I'm kind of new to
Python, from more of a C++ background on windows]. I found some
sample code online, but I am having trouble with calling the I
import ctypes
from ctypes import *
from comtypes import client
from ctypes.wintypes import *
import sys
import time
filename = sys.argv[1]
qedit = client.GetModule('qedit.dll') # DexterLib
quartz= client.GetModule("quartz.dll")
CLSID_FilterGraph = '{e436ebb3-524f-11ce-9f53-0020af0ba770}'
filter_graph =
client.CreateObject(CLSID_FilterGraph,interface=qedit.IFilterGraph)
filter_builder = filter_graph.QueryInterface(qedit.IGraphBuilder)
filter_builder.RenderFile(filename, None)
media_control = filter_graph.QueryInterface(quartz.IMediaControl)
media_control.Run()
try:
# Look at IMediaEvent interface for EOS notification
while True:
time.sleep(1)
except KeyboardInterrupt:
pass
# Need these because finalisers don't have enough context to clean up
after
# themselves when script exits.
del media_control
del filter_builder
del filter_graph
This code works fine. What I would like to know, is how do I declare
filename in the Python program to be of type LPCWSTR, so that I don't
need to parse the command line in order to call the function
"RenderFile()"?
-Sayanan
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