XAWTV & FFMPEG. Error making bttv-0.9.11

Hi,

environment.

In file included from video-buf.c:36:
video-buf.h:137: field `field' has incomplete type
video-buf.h:159: warning: parameter has incomplete type
video-buf.h:169: field `type' has incomplete type
video-buf.h:171: field `field' has incomplete type
video-buf.h:172: field `last' has incomplete type
video-buf.h:195: warning: parameter has incomplete type
video-buf.h:195: warning: parameter has incomplete type

h is probably not what you want
video-buf.h:201: warning: parameter has incomplete type

 list

video-buf.c:351: parameter `type' has incomplete type
video-buf.c:351: parameter `field' has incomplete type
video-buf.c:432: return type is an incomplete type
video-buf.c:432: conflicting types for `videobuf_next_field'
video-buf.h:199: previous declaration of `videobuf_next_field'
video-buf.c: In function `videobuf_next_field':

video-buf.c:433: storage size of `field' isn't known

video-buf.c:435: for each function it appears in.)

video-buf.c:433: warning: unused variable `field'
video-buf.c: At top level:

video-buf.c:452: parameter `type' has incomplete type
video-buf.c:452: conflicting types for `videobuf_status'
video-buf.h:201: previous declaration of `videobuf_status'
video-buf.c: In function `videobuf_status':
video-buf.c:453: dereferencing pointer to incomplete type
video-buf.c:454: dereferencing pointer to incomplete type
video-buf.c:455: dereferencing pointer to incomplete type
video-buf.c:456: dereferencing pointer to incomplete type
video-buf.c:457: dereferencing pointer to incomplete type
video-buf.c:459: dereferencing pointer to incomplete type

video-buf.c:464: dereferencing pointer to incomplete type

video-buf.c:468: dereferencing pointer to incomplete type

video-buf.c:475: dereferencing pointer to incomplete type
video-buf.c:476: dereferencing pointer to incomplete type
video-buf.c:477: dereferencing pointer to incomplete type
video-buf.c:478: dereferencing pointer to incomplete type
video-buf.c: At top level:

 list
video-buf.c:484: conflicting types for `videobuf_reqbufs'
video-buf.h:203: previous declaration of `videobuf_reqbufs'
video-buf.c: In function `videobuf_reqbufs':
video-buf.c:488: dereferencing pointer to incomplete type
video-buf.c:490: dereferencing pointer to incomplete type
video-buf.c:494: dereferencing pointer to incomplete type
video-buf.c:506: dereferencing pointer to incomplete type
video-buf.c:507: dereferencing pointer to incomplete type
video-buf.c: At top level:

video-buf.c:516: conflicting types for `videobuf_querybuf'
video-buf.h:204: previous declaration of `videobuf_querybuf'
video-buf.c: In function `videobuf_querybuf':
video-buf.c:517: dereferencing pointer to incomplete type
video-buf.c:519: dereferencing pointer to incomplete type
video-buf.c:519: dereferencing pointer to incomplete type
video-buf.c:521: dereferencing pointer to incomplete type
video-buf.c:523: dereferencing pointer to incomplete type

ointer type
video-buf.c: At top level:

video-buf.c:530: conflicting types for `videobuf_qbuf'
video-buf.h:206: previous declaration of `videobuf_qbuf'
video-buf.c: In function `videobuf_qbuf':
video-buf.c:532: storage size of `field' isn't known
video-buf.c:541: dereferencing pointer to incomplete type
video-buf.c:543: dereferencing pointer to incomplete type
video-buf.c:543: dereferencing pointer to incomplete type
video-buf.c:545: dereferencing pointer to incomplete type
video-buf.c:555: type of formal parameter 3 is incomplete
video-buf.c:532: warning: unused variable `field'
video-buf.c: At top level:

video-buf.c:575: conflicting types for `videobuf_dqbuf'
video-buf.h:208: previous declaration of `videobuf_dqbuf'
video-buf.c: In function `videobuf_dqbuf':
video-buf.c:584: dereferencing pointer to incomplete type
video-buf.c:605: dereferencing pointer to incomplete type
video-buf.c:605: dereferencing pointer to incomplete type
video-buf.c:605: dereferencing pointer to incomplete type
video-buf.c:605: dereferencing pointer to incomplete type
video-buf.c:605: dereferencing pointer to incomplete type
video-buf.c:605: dereferencing pointer to incomplete type

ointer type
video-buf.c: In function `videobuf_read_zerocopy':
video-buf.c:661: storage size of `field' isn't known
video-buf.c:674: type of formal parameter 3 is incomplete
video-buf.c:661: warning: unused variable `field'
video-buf.c: In function `videobuf_read_one':
video-buf.c:702: storage size of `field' isn't known
video-buf.c:728: type of formal parameter 3 is incomplete
video-buf.c:702: warning: unused variable `field'
video-buf.c: In function `videobuf_read_start':
video-buf.c:776: storage size of `field' isn't known
video-buf.c:793: type of formal parameter 3 is incomplete
video-buf.c:776: warning: unused variable `field'
make[2]: *** [video-buf.o] Error 1

make[1]: Leaving directory `/usr/src/linux-2.4.20-8'
make: *** [default] Error 2

With Regards,
S.Suriya Mohan.

On Wed, 30 Jul 2003 Lucas Correia Villa Real wrote :

Hi,

I guess this can be done using the Video4Linux2 BTTV driver, since it allows

opening the same device twice.

Give a look at http://bytesex.org/bttv/ for patches and instructions on

configuration.

Kind regards,
Lucas


On Wednesday 30 July 2003 01:30, suriya mohan wrote:
> Hi champ,

> In u'r mail to "video4linux-list" subjected "Multi-port video

> card
> support" u have specified as follows.
>
> " Video devices are split up like Lamar said..

> /dev/videoN (0-3). I've used port 0 and 1 with full motion (at > 352x288 and 640x480) with no problems.Another nice thing about

> this

> setup, though I have not tested it, while "motion" is using > /dev/video0 and /dev/video1, I _think_ I can use port 2 and 3

> with
> other applications without interfering with motion (ie - not
> conflicting - device busy.. etc). "
>

> I have similar problem. I am using Xawtv to view TV. It reads

>  from

> "/dev/video0". Xawtv records video streams in "avi" format. And

> then
> we have to convert it into "mpeg". What I want is to record
> video

> streams directly into "mpeg". So I used FFMPEG to record video

> streams. It also uses "/dev/video0". When I run FFMPEG in
> parallel

> with XAWTV "device or resource busy" error occurs. XAWTV uses > "/dev/video0" and when I execute FFMPEG, it also tries to read > "/dev/video0" which results in aforesaid error.I tried creating

> a

> symbolic link "/dev/video0" and made FFMPEG to use it. It fails

> to
> work out.
>
>   ffmpeg -vd /dev/video0 /root/samp.mpg.
>
> What i want is to visualize "xawtv" and record video streams
> using

> "ffmpeg" simultaneously. How to accomplish this ? Is it possible

> to

> make the video input available at both /dev/video0 and /dev/video1

> ?

> So that I can make FFMPEG to use "/dev/video1" and let XAWTV use

> the
> default /dev/video0.
>
> I am using bttv based "Pixel View PlayTV Pro" Tv Tuner card
> (BT878)
> and kernel 2.4.18-14.
>
> With Regards,
> S.Suriya Mohan.
>
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