[FFmpeg-user] converting to non HD avi with ffmpeg

Kevin Wilson wkevils at gmail.com
Thu Sep 13 18:55:50 CEST 2012


Hi,

with test.avi , an avi which I can see this avi with this LG DVD
without any "HD" message, and we have: (the model is not with me now)

ffmpeg -i /mnt/sdc1/test.avi

ffmpeg version 0.10.4 Copyright (c) 2000-2012 the FFmpeg developers
  built on Jul 20 2012 22:00:57 with gcc 4.7.0 20120507 (Red Hat 4.7.0-5)
  configuration: --prefix=/usr --bindir=/usr/bin
--datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg
--libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64
--extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2
-fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64
-mtune=generic' --enable-bzlib --disable-crystalhd --enable-gnutls
--enable-libass --enable-libcdio --enable-libcelt --enable-libdc1394
--disable-indev=jack --enable-libfreetype --enable-libgsm
--enable-libmp3lame --enable-openal --enable-libopenjpeg
--enable-libpulse --enable-librtmp --enable-libschroedinger
--enable-libspeex --enable-libtheora --enable-libvorbis
--enable-libv4l2 --enable-libvpx --enable-libx264 --enable-libxvid
--enable-x11grab --enable-avfilter --enable-postproc --enable-pthreads
--disable-static --enable-shared --enable-gpl --disable-debug
--disable-stripping --shlibdir=/usr/lib64 --enable-runtime-cpudetect
  libavutil      51. 35.100 / 51. 35.100
  libavcodec     53. 61.100 / 53. 61.100
  libavformat    53. 32.100 / 53. 32.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 61.100 /  2. 61.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  6.100 /  0.  6.100
  libpostproc    52.  0.100 / 52.  0.100
Input #0, avi, from '/mnt/sdc1/test.avi':
  Metadata:
    encoder         : VirtualDubMod 1.5.10.2 (build 2542/release)
  Duration: 01:58:28.96, start: 0.000000, bitrate: 1640 kb/s
    Stream #0:0: Video: mpeg4 (Simple Profile) (XVID / 0x44495658),
yuv420p, 720x400 [SAR 1:1 DAR 9:5], 29.97 tbr, 29.97 tbn, 29.98 tbc
    Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz,
5.1(side), s16, 448 kb/s
At least one output file must be specified


So we have here : yuv420p, 720x400

any suggestions ?
rgs,
Kevin


On Thu, Sep 13, 2012 at 6:41 AM, Lou <lou at lrcd.com> wrote:
> On Thu, 13 Sep 2012 05:18:20 +0300
> Kevin Wilson <wkevils at gmail.com> wrote:
>
> [trimmed]
>> Hi, Lou.
>>
>> Thanks!
>>
>> I have tried:
>>  ffmpeg -i ubunutuArm.webm  -filter:v scale=640:-1 -q:v 3 ubunutuArmNonHD.avi
>>
>> And when loading the avi in a DVD I still get the HD error.
>
> What is the exact error? What make and model is this DVD player?
>
>> I tried to fetch the avi properties, and this is what I got:
>>
>>
>> ffmpeg -i ubunutuArmNonHD.avi
>>
>> ffmpeg version 0.10.4 Copyright (c) 2000-2012 the FFmpeg developers
> [trimmed]
>> Input #0, avi, from 'ubunutuArmNonHD.avi':
>>   Metadata:
>>     encoder         : Lavf53.32.100
>>   Duration: 00:52:24.77, start: 0.000000, bitrate: 747 kb/s
>>     Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46),
>> yuv420p, 640x360 [SAR 1:1 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
> -----------^
> Your output is 640x360. This can be considered standard definition or
> "not HD".
>
>>     Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 44100 Hz, stereo,
>> s16, 128 kb/s
>> At least one output file must be specified
>>
>>
>> So any idea:
>> 1) Is this avi is HD or not ? could it be something in the header ?
>
> It is not HD. ffmpeg will show output size in the console output. Look
> above to see my awesome ASCII art arrow for an example.
>
>> 2)  what should I do to create non HD avi ?
>
> You already created a non HD file; therefore we need to determine what
> the actual issue with the player is. Do you have a video that does play
> on this picky device? If yes, then show the complete output of "ffmpeg
> -i input-file-that-actually-does-work-in-your-dvd-player.avi".
>
>> regards,
>> Kevin
>
> Note that top-posting is not recommended for this mailing list.
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