[Ffmpeg-devel] closed captioning bug?

[Cyrus A]

Luca Abeni wrote:
> Hi,
>
> On Tue, 25 Apr 2006 01:26:19 -0400
> Cyrus A <lists at rooseveltmedia.com> wrote:
>   
>> Thanks for the help. After applying the patch, config.h did not include 
>> the VIDEO4LINUX2 line you thought it would.
>>     
> Can you try to compile the following short C program
>
> #include <sys/types.h>
> #include <sys/time.h>
> #include <linux/videodev.h>
> int dummy = V4L2_PIX_FMT_YUV420;
> struct v4l2_buffer dummy1;
>
> with "gcc -c <progname.c>" and tell me the error you get?
> Also, send me (in private mail) the /usr/include/linux/videodev.h and videodev2.h headers.
>  
>   
>> My dmesg output:
>>
>> bttv0: PLL can sleep, using XTAL (28636363).
>> application ffmpeg uses obsolete OSS audio interface
>> bttv0: SCERR @ 3f660014,bits: OFLOW FDSR SCERR*
>>     
> Uhmm... This looks like a driver problem. I do not know what it means, but maybe you can ask on the video4linux mailing list. I've never seen it.
>
> [...]
>   
>> p.s. For these version tests, which options should I use? --cpu=x86_64 
>> --cc=/usr/bin/gcc33  ???
>>     
> I do not know about the --cpu option, and I suspect the gcc version is not important.
>
>   
>> Otherwise I have to try several combinations on 
>> each version which will take FOREVER. And all I'm doing is replacing 
>> ffmpeg.c each time.
>>     
> I think that if the version that you are trying have a consistent avcodec.h/avformat.h interface you can simply change ffmpeg.c.
>
> Anyway, I hope to be able to find why v4l2 is not detected in a short time... That would fix your problem, I hope.
>   
[cyrus at lexington ~]$ /usr/bin/gcc -c programname.c
programname.c:4: error: `V4L2_PIX_FMT_YUV420' undeclared here (not in a 
function)
programname.c:5: error: storage size of `dummy1' isn't known

I'll send the headers in a minute.