[FFmpeg-user] How to Decode h264 Video Stream?

Myth 286166657 at qq.com
Wed Sep 19 03:35:29 CEST 2012


I'm sorry I didn't give you the right information. I want to decode the h264 video stream into JPEG or PGM files. The command you teach me in last email is works for me. Thanks for your kindly help.
  
 Thanks,
 Stefan
 

  

 ------------------ Original ------------------
  From:  "Andy Civil"<andycivil at gmail.com>;
 Date:  Tue, Sep 18, 2012 09:36 PM
 To:  "FFmpeg user questions"<ffmpeg-user at ffmpeg.org>; 
 
 Subject:  Re: [FFmpeg-user] How to Decode h264 Video Stream?

 

On 2012-09-18 9:12 AM, Carl Eugen Hoyos wrote:
> Andy Civil<andycivil<at>  gmail.com>  writes:
>
>> Shall we suggest
>> ffmpeg -format h264 -i input -qscale 2 %06d.jpg
>> then?
>
> That will still not work, but it does not matter
> because imo as long as the op does not give a little
> more information this is all just guessing.

It works for me, I just tested it. I do get a warning that says "Please use -q:a 
or -q:v, -qscale is ambiguous". I was hoping that serving the OP his output as 
JPEGs might prompt him to tell us what he /really/ wanted.

--
Andy
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