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[transcode-users] reading nuppelvideo-stream from stdin/fifo


To: transcode-users@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Subject: [transcode-users] reading nuppelvideo-stream from stdin/fifo
From: Christian Reiniger <creinig@xxxxxxx>
Date: Tue, 3 Sep 2002 21:44:22 +0200
Organization: LGDC (http://sunsite.dk/lgdc/)
User-agent: KMail/1.4.3

Situation: I captured video via nvrec and piped it through split -b 1024m
Worked fine - high resolution with no frame drops. But now transcode
 doesn't want to process it further:

chris@xxxxxxxx > mkfifo my.fifo
chris@xxxxxxxx > cat vid/* >my.fifo &
[1] 5376
chris@xxxxxxxx > transcode -H0 -b 128,1 -g 768x576 -o shioda.00.avi -w 2200 -x 
nuv,nuv -y divx5 -i my.fifo
transcode v0.6.0 (C) 2001-2002 Thomas Östreich
[transcode] V: import frame     | 768x576  1.33:1
[transcode] V: bits/pixel       | 0.199
[transcode] V: encoding fps     | 25.000
[transcode] A: import format    | 0x2000  AC3          [48000,16,2]
[transcode] A: export format    | 0x55    MPEG layer-3 [48000,16,2]  128 kbps
[transcode] A: bytes per frame  | 7680 (7680.000000)
[transcode] A: adjustment       | 0@xxxx
[import_nuv.so] v0.1.2 (2002-08-01) (video) YUV | (audio) PCM
error: video codec not supported by import module
chris@xxxxxxxx >

When giving the first chunk directly to -i and leaving out -H0, it works fine.
When adding a -V and trying to read from the pipe, I get a 
"Illegal File Format, no Compression (D)ata frame"
Using -V -H0 -i <firstchunkfile> works fine as well

reading from the fifo with a hex editor shows correct nuppelvideo 
headers

Am I missing something??

I'm using transcode 0.6.0

-- 
Christian Reiniger

"World domination. Fast." (Linus Torvalds about Linux)

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