http://bugs.cinelerra.org/show_bug.cgi?id=229
------- Additional Comments From [EMAIL PROTECTED] 2006-01-22 04:06 -------
Graham,
Sorry to say this, but you didn't actually get what I meant. I didn't mean
for you to write a shell script, but to put those lines into the textbox,
File->Render [YUV4MPEG Stream]->Video Spanner->Use Pipe Textbox
Basically what you put into that textbox, is a program that accepts the piped
YUV data, so placing:
cat > /dev/null
into the textbox is telling cinelerra to start the command 'cat > /dev/null'
and push data into the stdin pipe. This is similar to:
cat YUVFILE | cat > /dev/null
The command 'cat > /dev/null' effectively tells cinelerra to write the yuv
stream to the program, whose output is to be placed into /dev/null. This to
me is the most simplest script, and effectively "can't go wrong, and if it
does, it's cinelerra's fault'.
If the above worked, then the next step is to try 'yuvplay' which is basically
a program that play's a YUV file, (or pipe input). This test tells you that
the yuv file is playable and some extra info that was found in the yuv pipe
stream itself.
Both of these commands where not meant to be placed in a shell script, but
entered into the textbox, independently! (Actually placing them in a shell
script will cause the 'cat > /dev/null' to executed and then once the input
pipe is closed (causing the cat to stop running), result in the yuvplay to run
with no input, (which for me just sits there waiting for some!)
Also for me, I don't understand much of the gdb output, so it's probably not
worth copying this to the bug each time, until we are sure where the problem
is, then if it helps we could look at that, (or learn how)..
Oh and the aspect ratio, if you're using a standard DV camera, set it to 4:3,
(wide screen is 16:9 I think, but I don't have widescreen DV, so haven't had
experience, and am not completely sure)
In terms of the DV footage, I take it you're using a quicktime container (and
not raw DV, that is almost hated here!)
Pierre
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