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RE: [dvd::rip] Probably a transcode issue, but...

Subject: RE: [dvd::rip] Probably a transcode issue, but...
From: "David Hull" <David_Hull@xxxxxxxxx>
Date: Thu, 27 Apr 2006 23:27:39 -0400 
Okay, so I tried the patch on the 1.0.2 source I downloaded, and it
still wound up with a 2056 byte file.  However, in the output, I did
get:
(iodump.c) left out 2 directory entries
Which I suppose is due to the patch?

Also, I tried -x mpeg2,ac3.  Same 2056 byte .avi file, but the output
showed:
[fileinfo.c:118] file read error: Is a directory
(extract_ac3.c) no file type specified, assuming RAW stream 
[fileinfo.c:118] file read error: Is a directory
(extract_mpeg2.c) no file type specified, assuming RAW stream  
Which I don't get with -x vob.

tcprobe reports the following on the 2056 byte file:
hulld@linux:/data2/dvdrip/sb/avi/001> ls -l
Total 4
-rwxr-xr-x  1 hulld users 2056 2006-04-27 23:00 sb-001.avi
hulld@linux:/data2/dvdrip/sb/avi/001> tcprobe -i sb-001.avi
[tcprobe] RIFF data, AVI video
AVI open: avilib - AVI file has no video data
[tcprobe] summary for sb-001.avi, (*) = not default, 0 = not detected
   no audio track: use "null" import module for audio
hulld@linux:/data2/dvdrip/sb/avi/001>

Complete output follows from both attempts (both on patched 1.0.2)
hulld@linux:/data2/dvdrip/sb/tmp> nice -n 18 transcode -H 10 -a 0 -x vob
-i /data2/dvdrip/sb/vob/001 -w 1030,50 -F mpeg4 -b 128,0,2 --a52_drc_off
-f 25 -Y 4,0,4,0 -B 27,10,8 -R 2 -y ffmpeg -o
/data2/dvdrip/sb/avi/001/sb-001.avi --print_status 20 
transcode v1.0.2 (C) 2001-2003 Thomas Oestreich, 2003-2004 T. Bitterberg

[transcode] (probe) suggested AV correction -D 0 (0 ms) | AV 0 ms | 0 ms

[transcode] auto-probing source /data2/dvdrip/sb/vob/001 (ok)
[transcode] V: import format    | MPEG-2  (V=vob|A=vob)
[transcode] V: AV demux/sync    | (1) sync AV at initial MPEG sequence
[transcode] V: import frame     | 720x576  1.25:1  encoded @ 16:9
[transcode] V: new aspect ratio | 640x360  1.78:1 (-B) [transcode] V:
clip frame (->)  | 640x352
[transcode] V: bits/pixel       | 0.183
[transcode] V: decoding fps,frc | 25.000,0
[transcode] V: multi-pass       | (mode=2) reading data (pass2) from
divx4.log
[transcode] V: Y'CbCr           | YV12/I420
[transcode] A: import format    | 0x2000  AC3          [48000,16,2]
[transcode] A: export format    | 0x55    MPEG layer-3 [48000,16,2]  128
kbps
[transcode] V: encoding fps,frc | 25.000,3 [transcode] A: bytes per
frame  | 7680 (7680.000000)
[transcode] A: adjustment       | 0@1000
[transcode] V: IA32/AMD64 accel | sse2 (sse2 sse mmxext mmx asm C)
tc_memcpy: using sse for memcpy
[transcode] V: video buffer     | 10 @ 720x576
[import_vob.so] v0.6.0 (2003-10-02) (video) MPEG-2 | (audio)
MPEG/AC3/PCM | (subtitle) [export_ffmpeg.so] v0.3.13 (2004-08-03)
(video) Lavc51.1.0 | (audio) MPEG/AC3/PCM [import_vob.so] tccat -i
"/data2/dvdrip/sb/vob/001" -t vob -d 0 -S 0 | tcdemux -a 0 -x ac3 -S 0
-M 1 -d 0 | tcextract -t vob -a 0 -x ac3 -d 0 | tcdecode -x ac3 -d 0 -s
1.000000,1.000000,1.000000 -A 1 
[import_vob.so] tccat -i "/data2/dvdrip/sb/vob/001" -t vob -d 0 -S 0 |
tcdemux -s 0x80 -x mpeg2 -S 0 -M 1 -d 0 | tcextract -t vob -a 0 -x mpeg2
-d 0 | tcdecode -x mpeg2 -d 0 -y yv12 
[export_ffmpeg.so] Using FFMPEG codec 'mpeg4' (FourCC 'DIVX', MPEG4
compliant video).
[export_ffmpeg.so]: WARNING: Interlacing parameters unknown, use
--encode_fields
[export_ffmpeg.so]: INFO: No profile selected 
[export_ffmpeg.so] Neither './ffmpeg.cfg' nor '~/.transcode/ffmpeg.cfg'
[export_ffmpeg.so] found. Default settings will be used instead.
[export_ffmpeg.so]: INFO: Starting 1 thread(s)
[export_ffmpeg.so]: INFO: Set display aspect ratio to input
tc_memcpy: using sse for memcpy
tc_memcpy: using sse for memcpy
[decode_mpeg2.c] libmpeg2 0.4.0b loop decoder 
[decode_mpeg2.c] libmpeg2 acceleration: mmxext
[mpeg4 @ 0x4290eab0]removing common factors from framerate
Audio: using new version
Audio: using lame-3.96.1
(iodump.c) left out 2 directory entries
clean up | frame threads | unload modules | cancel signal | internal
threads | done
[transcode] encoded 0 frames (0 dropped, 0 cloned), clip length   0.00 s

If I specify '-i /data2/dvdrip/sb/vob/001/sb-001.vob' above, I get the
same exact result, except I don't get the iodump.c message.

And here the -x mpeg2,ac3 test (same result if I put a trailing / at the
end of the directory name on the '-i' switch, like '-i
/data2/dvdrip/sb/vob/001/'):
hulld@linux:/data2/dvdrip/sb/tmp> nice -n 18 transcode -H 10 -a 0 -x
mpeg2,ac3 -i /data2/dvdrip/sb/vob/001 -w 1030,50 -F mpeg4 -b 128,0,2
--a52_drc_off -f 25 -Y 4,0,4,0 -B 27,10,8 -R 2 -y ffmpeg -o
/data2/dvdrip/sb/avi/001/sb-001.avi --print_status 20 
transcode v1.0.2 (C) 2001-2003 Thomas Oestreich, 2003-2004 T. Bitterberg

[transcode] (probe) suggested AV correction -D 0 (0 ms) | AV 0 ms | 0 ms

[transcode] auto-probing source /data2/dvdrip/sb/vob/001 (ok)
[transcode] V: import format    | MPEG-2  (V=mpeg2|A=ac3)
[transcode] V: AV demux/sync    | (1) sync AV at initial MPEG sequence
[transcode] V: import frame     | 720x576  1.25:1  encoded @ 16:9
[transcode] V: new aspect ratio | 640x360  1.78:1 (-B) 
[transcode] V: clip frame (->)  | 640x352
[transcode] V: bits/pixel       | 0.183
[transcode] V: decoding fps,frc | 25.000,0
[transcode] V: multi-pass       | (mode=2) reading data (pass2) from
divx4.log
[transcode] V: Y'CbCr           | YV12/I420
[transcode] A: import format    | 0x2000  AC3          [48000,16,2]
[transcode] A: export format    | 0x55    MPEG layer-3 [48000,16,2]  128
kbps
[transcode] V: encoding fps,frc | 25.000,3 
[transcode] A: bytes per frame  | 7680 (7680.000000)
[transcode] A: adjustment       | 0@1000
[transcode] V: IA32/AMD64 accel | sse2 (sse2 sse mmxext mmx asm C)
tc_memcpy: using sse for memcpy
[transcode] V: video buffer     | 10 @ 720x576
[import_ac3.so] v0.3.2 (2002-02-15) (audio) AC3 
[import_mpeg2.so] v0.4.0 (2003-10-02) (video) MPEG2 
[export_ffmpeg.so] v0.3.13 (2004-08-03) (video) Lavc51.1.0 | (audio)
MPEG/AC3/PCM [import_ac3.so] AC3->PCM 
[import_ac3.so] tcextract -a 0 -i "/data2/dvdrip/sb/vob/001" -x ac3 -d 0
| tcdecode -x ac3 -d 0 -s 1.000000,1.000000,1.000000 -A 1
[import_mpeg2.so] tcextract -x mpeg2 -i "/data2/dvdrip/sb/vob/001" -d 0
| tcdecode -x mpeg2 -d 0 -y yv12
[export_ffmpeg.so] Using FFMPEG codec 'mpeg4' (FourCC 'DIVX', MPEG4
compliant video).
[export_ffmpeg.so]: WARNING: Interlacing parameters unknown, use
--encode_fields
[export_ffmpeg.so]: INFO: No profile selected 
[export_ffmpeg.so] Neither './ffmpeg.cfg' nor '~/.transcode/ffmpeg.cfg'
[export_ffmpeg.so] found. Default settings will be used instead.
[export_ffmpeg.so]: INFO: Starting 1 thread(s)
[export_ffmpeg.so]: INFO: Set display aspect ratio to input
tc_memcpy: using sse for memcpy
tc_memcpy: using sse for memcpy
[fileinfo.c:118] file read error: Is a directory
(extract_ac3.c) no file type specified, assuming RAW stream 
[fileinfo.c:118] file read error: Is a directory
(extract_mpeg2.c) no file type specified, assuming RAW stream 
[decode_mpeg2.c] libmpeg2 0.4.0b loop decoder 
[decode_mpeg2.c] libmpeg2 acceleration: mmxext
[mpeg4 @ 0x428f4ab0]removing common factors from framerate
Audio: using new version
Audio: using lame-3.96.1

clean up | frame threads | unload modules | cancel signal | internal
threads | done
[transcode] encoded 0 frames (0 dropped, 0 cloned), clip length   0.00 s

Regards,
David.

-----Original Message-----
From: David Hull 
Sent: Wednesday, April 26, 2006 10:05 AM
To: Francesco Romani; dvdrip-users@xxxxxxxxx
Subject: RE: [dvd::rip] Probably a transcode issue, but...

Thanks, I'll try that! 

-----Original Message-----
From: dvdrip-users-bounces@xxxxxxxxx
[mailto:dvdrip-users-bounces@xxxxxxxxx] On Behalf Of Francesco Romani
Sent: Wednesday, April 26, 2006 4:39 AM
To: dvdrip-users@xxxxxxxxx
Subject: Re: [dvd::rip] Probably a transcode issue, but...

On Sun, 23 Apr 2006 22:56:48 -0400
"David Hull" <David_Hull@xxxxxxxxx> wrote:

> I'm ripping all of my DVDs to .avi, and most have gone very well, 
> thanks to DVD::Rip.  I've had this particular a few times now, so I'd 
> like to find out what's going on.

And of course I'd like too.
Unfortunately, to proper debug this issue, a few preliminary steps are
needed.
First, pull a copy of transcode 1.0.2 sources, then apply this patch:
http://fromani.exit1.org/tc-patches-1.0.x/tccat-CVS-iodir-backport-try1.
patch
and last recompile with your favorite options.

>  The first pass seems to go fine, but the second pass finishes after a

> short period of time (10 minutes or so), and it produces an unplayable

> .avi file that is exactly 2056 bytes each time (with each dvd that 
> experiences this problem).

2056 bytes is an interesting number. AVI header produced by transcode
(via
avilib) will be exactly 2048 bytes long, so a 2056 bytes file looks like
header + 8 bytes data. Can you please report what tcprobe reports for
such 2056-bytes long file?

[...]
> clip length   0.00 s
[...]
Looks like import layer problems. Ouch.
Please try using -x mpeg2,ac3 and report if this improve of even change
this situation.

best regards,

--
Francesco Romani - Ikitt ['people always complain, no matther what you
do'] IM contact: (email-me, I have antispam default deny!)
icq://27-83-87-867 some known bugs:
http://www.transcoding.org/cgi-bin/transcode?Bug_Showcase
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