Re: [FFmpeg-user] compiling ffmpeg program with libavutil/internal.h in gcc

2017-02-06 Thread Marton Balint 


On Mon, 6 Feb 2017, יוסף אלון wrote:


because i need to record 36 seconds every 30 seconds and i cant find a
command to do this.


Are you sure you cannot do what you want with the segment muxer? Do you 
really need overlapping segments?


Regards,
Marton
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Re: [FFmpeg-user] compiling ffmpeg program with libavutil/internal.h in gcc

2017-02-06 Thread Nicolas George 
L'octidi 18 pluviôse, an CCXXV, יוסף אלון a écrit :
> because i need to record 36 seconds every 30 seconds and i cant find a
> command to do this.

Unfortunately, ffmpeg does not yet support libtardis.

> So I wanted to build an a  c program to do it using ffmpeg libs.

You can definitely do that, but you are doing wrong. You need to rely
solely on the installed headers. Do not take ffmpeg.c as an example, it
is too complex and it uses a few internal APIs. Use the files in the
doc/example/ directory. And I recommend using pkg-config to get the
correct compile and link flags.

> 2017-02-06 11:18 GMT+02:00 Nicolas George :

Remember not to top-post on this mailing-list. If you do not know what
it means, look it up.

Regards,

-- 
  Nicolas George


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Re: [FFmpeg-user] compiling ffmpeg program with libavutil/internal.h in gcc

2017-02-06 Thread יוסף אלון 
because i need to record 36 seconds every 30 seconds and i cant find a
command to do this.
So I wanted to build an a  c program to do it using ffmpeg libs.

2017-02-06 11:18 GMT+02:00 Nicolas George :

> L'octidi 18 pluviôse, an CCXXV, יוסף אלון a écrit :
> > I am trying to compile only the includes in ffmpeg.c with a simple main,
>
> Why? Do not do that!
>
> Regards,
>
> --
>   Nicolas George
>
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-- 
בברכה, יוסף אלון
050-4916740
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Re: [FFmpeg-user] compiling ffmpeg program with libavutil/internal.h in gcc

2017-02-06 Thread Nicolas George 
L'octidi 18 pluviôse, an CCXXV, יוסף אלון a écrit :
> I am trying to compile only the includes in ffmpeg.c with a simple main,

Why? Do not do that!

Regards,

-- 
  Nicolas George


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[FFmpeg-user] compiling ffmpeg program with libavutil/internal.h in gcc

2017-02-06 Thread יוסף אלון 
Hello,

I am trying to compile only the includes in ffmpeg.c with a simple main,
but i recieve an error:
In file included from libavutil/internal.h:166:0,
 from newmain.c:30:
libavutil/libm.h:54:32: error: static declaration of ‘cbrt’ follows
non-static declaration
 static av_always_inline double cbrt(double x)
^

from libavutil/internal.h
I am using the flag -lavutil.
any help?

-
Yosef Alon
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