[NTLUG:Discuss] linux movie question

[agoats at compuserve.com]

To see the details of a video file, you can use mplayer from the command 
line. It outputs a summary of the video type, the video codec it chooses 
to use, the audio format and which audio codec it plans to use. You get 
a lot of detail about the movie:

mplayer MakeMineFreedom.flv
MPlayer dev-SVN-r27978-4.1.2 (C) 2000-2008 MPlayer Team
CPU: Intel Celeron 2/Pentium III Coppermine,Geyserville (Family: 6, 
Model: 8, Stepping: 6)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 0
Compiled for x86 CPU with extensions: MMX MMX2 SSE

Playing MakeMineFreedom.flv.
libavformat file format detected.
[lavf] Video stream found, -vid 0
[lavf] Audio stream found, -aid 1
VIDEO:  [FLV1]  304x240  0bpp  29.970 fps    0.0 kbps ( 0.0 kbyte/s)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffflv] vfm: ffmpeg (FFmpeg Flash video)
==========================================================================
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 22050 Hz, 2 ch, s16le, 64.0 kbit/9.07% (ratio: 8000->88200)
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
AO: [oss] 22050Hz 2ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 304 x 240 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
VO: [xv] 304x240 => 304x240 Planar YV12
A:   4.7 V:   4.7 A-V: -0.000 ct:  0.003   0/  0 13%  8%  2.3% 8 0

Lots of detailed information.

For file conversion, I have scripts that use mencoder that convert files 
to DVD format, VCD format, my Sansa C240 running RockBox, strip the 
audio from a video into mp3 format, and finally rip DVD's to videos.

I don't have a video editor per se, though I've used avidemux to join 
split videos.

Alvin


Mike Hart wrote:
> .avi is not a video codec specification, just the specification for the file wrapping the actual video.  You need to analyze the file as to what format the video is actually encoded in.  
>
> as far as video editors, I like what 2mandvd looks like (name of the pclinux package... and my linux boxes are all offline at the moment.) 
>
> --- On Wed, 5/19/10, Fred James <fredjame at fredjame.cnc.net> wrote:
>
>   
>> From: Fred James <fredjame at fredjame.cnc.net>
>> Subject: [NTLUG:Discuss] linux movie question
>> To: "NTLUG Discussion List" <discuss at ntlug.org>
>> Date: Wednesday, May 19, 2010, 7:41 PM
>> OK - from audio to video ...
>> We have an old Cannon Supershot A70 that will shoot in
>> movie mode, and it produces *.avi files
>> Any advice for a video editor and also probably for
>> saving/converting the files in something like mp3 - or isn't
>> that a good idea?
>> Thank you
>> Regards
>> Fred James
>>
>> PS:  no budget for a new camera just now, so we have
>> to work with what we have
>>
>>
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