[vlc-devel] Directory access module trapped
enrique.osuna at gmail.com
Sat Oct 6 00:20:30 CEST 2007
I think I might have found another bug. I don't know the best way to
solve the problem.
I was doing some error testing and found that when I created a new
media descriptor with a directory (~/Movies in my case) and try to
play it with media_instance_play that AStreamPrebufferStream
(src/stream.c) gets stuck in an endless loop.
modules/access/directory.c reports that the "unable to find item in
playlist" and returns VLC_ENOOBJECT to AReadStream. AReadStream
returns this value back to AStreamPrebufferStream and it's treated as
if no data is available, so AStreamPrebufferStream waits
STREAM_DATA_WAIT and tries again.
The way to avoid this endless loop is that I modified Read function in
directory.c to return 0 (to mimic EOF) vs VLC_ENOOBJECT. This lets
AStreamPrebufferStream to at least try to read the directory object
and if it doesn't work it stops.
There has to be a more graceful solution, but I don't know where to
begin. Maybe have AStreamPrebufferStream try AReadStream a
predetermined number of continuous times before erroring out. Or try
for a predetermined delay before finally quitting, or actually
interpreting negative results from AReadStream as an error not as no
data is available?
Not sure, please see attached for changes.
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