Date: Tue, 24 Jul 2012 07:41:08 -0700 (PDT)
From: mattgo...@gmail.com
To: ffmbc-discuss@googlegroups.com
Message-Id: <14d38f2a-ffae-4981-b75f-62128090d1c0@googlegroups.com>
Subject: Transcoding to vcd target - cannot get the syntax correct.
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Apologies if this is a basic issue, but I cannot get quite a simple command
line to run, and I assume I'm just getting something wrong in the syntax.
Source = IMX50 in a MOV wrapper.
Destination = vcd
*Attempt 1
*ffmbc -i "Q:\Input.mov" -target vcd -t 120 "E:\ffmbc_vcd.mpg"
*Output
*FFmbc version 0.7-rc7
Copyright (c) 2008-2012 Baptiste Coudurier and the FFmpeg developers
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Q:\Input.mov':
Metadata:
creation_time: 2012-07-23 10:30:31
timecode: 00:58:52:09
Duration: 00:24:00.00, start: 0.000000, bitrate: 53150 kb/s
Stream #0.0(eng): Video: mpeg2video (4:2:2), yuv422p, 720x608i tff [PAR
152:
135 DAR 4:3], 50000 kb/s, 25.00 fps
Metadata:
codec_name: MPEG IMX 625/50 (50 Mb/s)
Stream #0.1(eng): Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
Stream #0.2(eng): Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
Stream #0.3(eng): Data: unknown (tmcd)
Incompatible pixel format 'yuv422p' for codec 'mpeg1video', auto-selecting
forma
t 'yuv420p'
[scale @ 01BB4D80] w:720 h:608 fmt:yuv422p -> w:352 h:288 fmt:yuv420p
flags:0x4
Error, target vcd only supports 352x288(pal) or 352x240(ntsc) resolutions
Understandable error, so I decide to add a crop to remove the VBI data, and
then a scale to the desired size:
*
Attempt 2
*ffmbc -i "Q:\Input.mov" -vf "crop=720:576:0:32,scale=352:288" -target vcd
-t 120 "E:\ffmbc_vcd.mpg" *
Output
*FFmbc version 0.7-rc7
Copyright (c) 2008-2012 Baptiste Coudurier and the FFmpeg developers
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Q:\Input.mov':
Metadata:
creation_time: 2012-07-23 10:30:31
timecode: 00:58:52:09
Duration: 00:24:00.00, start: 0.000000, bitrate: 53150 kb/s
Stream #0.0(eng): Video: mpeg2video (4:2:2), yuv422p, 720x608i tff [PAR
152:
135 DAR 4:3], 50000 kb/s, 25.00 fps
Metadata:
codec_name: MPEG IMX 625/50 (50 Mb/s)
Stream #0.1(eng): Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
Stream #0.2(eng): Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
Stream #0.3(eng): Data: unknown (tmcd)
Incompatible pixel format 'yuv422p' for codec 'mpeg1video', auto-selecting
forma
t 'yuv420p'
[scale @ 01BB4E80] w:720 h:608 fmt:yuv422p -> w:352 h:288 fmt:yuv420p
flags:0x4
[crop @ 01BB5320] w:352 h:288 -> w:720 h:576
[crop @ 01BB5320] Invalid too big or non positive size for width '720' or
height
'576'
Error opening filters!
So, it seems to be scaling then cropping. I get the same results when I do
this without the filter crop:
ffmbc -i "Q:\Input.mov" -vf "crop=720:576:0:32" -target vcd -t 120
"E:\ffmbc_vcd_2.mpg"
Interestingly, when I run the above command line with a different target:
ffmbc -i "Q:\Input.mov" -vf "crop=720:576:0:32" -target dvd -t 120
"E:\ffmbc_dvd.mpg"
It doesn't complain, but also doesn't crop the vbi lines.
Somebody please point me in the right direction!!
Many Thanks
*
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Apologies if this is a basic issue, but I cannot get quite a simple command=
line to run, and I assume I'm just getting something wrong in the syntax.<=
br><br>Source =3D IMX50 in a MOV wrapper.<br>Destination =3D vcd<br><br><b>=
Attempt 1<br><br></b>ffmbc -i "Q:\Input.mov" -target vcd -t 120 "E:\ffmbc_v=
cd.mpg" <br><br><b>Output<br><br></b>FFmbc version 0.7-rc7<br>Copyright (c)=
2008-2012 Baptiste Coudurier and the FFmpeg developers<br>Input #0, mov,mp=
4,m4a,3gp,3g2,mj2, from 'Q:\Input.mov':<br> Metadata:<br> =
creation_time: 2012-07-23 10:30:31<br> timecode: 0=
0:58:52:09<br> Duration: 00:24:00.00, start: 0.000000, bitrate: 53150=
kb/s<br> Stream #0.0(eng): Video: mpeg2video (4:2:2), yu=
v422p, 720x608i tff [PAR 152:<br>135 DAR 4:3], 50000 kb/s, 25.00 fps<br>&nb=
sp; Metadata:<br> codec_name: MPE=
G IMX 625/50 (50 Mb/s)<br> Stream #0.1(eng): Audio: pcm_s=
16le, 48000 Hz, 2 channels, s16, 1536 kb/s<br> Stream #0.=
2(eng): Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s<br> &nb=
sp; Stream #0.3(eng): Data: unknown (tmcd)<br>Incompatible pixel form=
at 'yuv422p' for codec 'mpeg1video', auto-selecting forma<br>t 'yuv420p'<br=
>[scale @ 01BB4D80] w:720 h:608 fmt:yuv422p -> w:352 h:288 fmt:yuv420p f=
lags:0x4<br>Error, target vcd only supports 352x288(pal) or 352x240(ntsc) r=
esolutions<br><br>Understandable error, so I decide to add a crop to remove=
the VBI data, and then a scale to the desired size:<br><b><br>Attempt 2<br=
><br></b>ffmbc -i "Q:\Input.mov" -vf "crop=3D720:576:0:32,scale=3D352:288" =
-target vcd -t 120 "E:\ffmbc_vcd.mpg" <b><br><br>Output<br><br></b>FFmbc ve=
rsion 0.7-rc7<br>Copyright (c) 2008-2012 Baptiste Coudurier and the FFmpeg =
developers<br>Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Q:\Input.mov':<br>&n=
bsp; Metadata:<br> creation_time: 2012-07-23 10:30:31<br>=
timecode: 00:58:52:09<br> Duration: 00:24:00.00, s=
tart: 0.000000, bitrate: 53150 kb/s<br> Stream #0.0(eng):=
Video: mpeg2video (4:2:2), yuv422p, 720x608i tff [PAR 152:<br>135 DAR 4:3]=
, 50000 kb/s, 25.00 fps<br> Metadata:<br> &nbs=
p; codec_name: MPEG IMX 625/50 (50 Mb/s)<br> =
Stream #0.1(eng): Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s<br=
> Stream #0.2(eng): Audio: pcm_s16le, 48000 Hz, 2 channel=
s, s16, 1536 kb/s<br> Stream #0.3(eng): Data: unknown (tm=
cd)<br>Incompatible pixel format 'yuv422p' for codec 'mpeg1video', auto-sel=
ecting forma<br>t 'yuv420p'<br>[scale @ 01BB4E80] w:720 h:608 fmt:yuv422p -=
> w:352 h:288 fmt:yuv420p flags:0x4<br>[crop @ 01BB5320] w:352 h:288 -&g=
t; w:720 h:576<br>[crop @ 01BB5320] Invalid too big or non positive size fo=
r width '720' or height<br> '576'<br>Error opening filters!<br><br>So,=
it seems to be scaling then cropping. I get the same results when I do thi=
s without the filter crop:<br><br>ffmbc -i "Q:\Input.mov" -vf "crop=3D720:5=
76:0:32" -target vcd -t 120 "E:\ffmbc_vcd_2.mpg" <br><br>Interestingly, whe=
n I run the above command line with a different target:<br><br>ffmbc -i "Q:=
\Input.mov" -vf "crop=3D720:576:0:32" -target dvd -t 120 "E:\ffmbc_dvd.mpg"=
<br><br>It doesn't complain, but also doesn't crop the vbi lines.<br><br>S=
omebody please point me in the right direction!!<br><br>Many Thanks<br><b><=
br></b><b></b>
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Message from discussion Transcoding to vcd target - cannot get the syntax correct.
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