Hi, I'm having a problem with the subprocess module. I'm using it to
run ffmpeg with the following command, where a_cmd is the command
string.
proc = subprocess.Popen
(a_cmd,shell=True,stdout=subprocess.PIPE,universal_newlines=True,stderr=
subprocess.STDOUT,stdin=subprocess.PIPE)
Then, I'm trying to have access to the output while it's running.
Just as a test, I used the following:
for line in proc.stdout:
print line
It doesn't print out anything until ffmpeg is done executing. Now,
this works with mencoder, but I have no idea why it won't work with
ffmpeg.
Does anyone know why this is happening?
--
Andrew Bloomgarden
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