Re: libv4l release: 0.5.9

[Hans de Goede <j.w.r.degoede@hhs.nl>]

Farkas Levente wrote:
> Hans de Goede wrote:
>> Hi All,
>>
>> Add support for various new formats, see the changelog entry below:
>>
>> libv4l-0.5.9
>> ------------
>> * Add support for MR97310A decompression by Kyle Guinn <elyk03@gmail.com>
>> * Add support for sq905c decompression by Theodore Kilgore
>>   <kilgota@auburn.edu>
>> * Add hm12 support for the cx2341x MPEG encoder devices by Hans Verkuil
>>   <hverkuil@xs4all.nl>
>>
>>
>> Get it here:
>> http://people.atrpms.net/~hdegoede/libv4l-0.5.9.tar.gz
> 
> is there any plan to be compile on epel-5 to? it's currently can't
> compile on it.
> yours.
> 

Given that libv4l's main purpose is to make applications understand the
pixelformat generated by webcam drivers in newer kernels (way newer then whats
in RHEL-5), no.

However if you compile libv4l under the v4l-dvb hg tree, it will use the
headers from the tree and you can compile it under RHEL-5. Or you could simply
include the necessary header file (I think it only needs a newer linux/videodev2.h)
in the source rpm, and add a dir containing it to the header search path.

Regards,

Hans

> gcc -c -MMD -I../include -I../../../include -fvisibility=hidden -fPIC
> -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
> -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i386
> -mtune=generic -fasynchronous-unwind-tables -o sn9c20x.o sn9c20x.c
> In file included from libv4lconvert-priv.h:24,
>                  from sn9c20x.c:25:
> ../include/libv4lconvert.h:77: warning: 'struct v4l2_frmsizeenum'
> declared inside parameter list
> ../include/libv4lconvert.h:77: warning: its scope is only this
> definition or declaration, which is probably not what you want
> ../include/libv4lconvert.h:82: warning: 'struct v4l2_frmivalenum'
> declared inside parameter list
> In file included from sn9c20x.c:25:
> libv4lconvert-priv.h:104: error: array type has incomplete element type
> sn9c20x.c: In function 'v4lconvert_sn9c20x_to_yuv420':
> sn9c20x.c:81: warning: unused variable 'height_div2'
> make[1]: *** [sn9c20x.o] Error 1
> make[1]: *** Waiting for unfinished jobs....
> In file included from libv4lconvert-priv.h:24,
>                  from sn9c10x.c:25:
> ../include/libv4lconvert.h:77: warning: 'struct v4l2_frmsizeenum'
> declared inside parameter list
> ../include/libv4lconvert.h:77: warning: its scope is only this
> definition or declaration, which is probably not what you want
> ../include/libv4lconvert.h:82: warning: 'struct v4l2_frmivalenum'
> declared inside parameter list
> In file included from sn9c10x.c:25:
> libv4lconvert-priv.h:104: error: array type has incomplete element type
> make[1]: *** [sn9c10x.o] Error 1
> In file included from libv4lconvert.c:27:
> ../include/libv4lconvert.h:77: warning: 'struct v4l2_frmsizeenum'
> declared inside parameter list
> ../include/libv4lconvert.h:77: warning: its scope is only this
> definition or declaration, which is probably not what you want
> ../include/libv4lconvert.h:82: warning: 'struct v4l2_frmivalenum'
> declared inside parameter list
> In file included from libv4lconvert.c:28:
> libv4lconvert-priv.h:104: error: array type has incomplete element type
> libv4lconvert.c: In function 'v4lconvert_get_framesizes':
> libv4lconvert.c:921: error: variable 'frmsize' has initializer but
> incomplete type
> libv4lconvert.c:921: error: unknown field 'pixel_format' specified in
> initializer
> libv4lconvert.c:921: warning: excess elements in struct initializer
> libv4lconvert.c:921: warning: (near initialization for 'frmsize')
> libv4lconvert.c:921: error: storage size of 'frmsize' isn't known
> libv4lconvert.c:925: error: 'VIDIOC_ENUM_FRAMESIZES' undeclared (first
> use in this function)
> libv4lconvert.c:925: error: (Each undeclared identifier is reported only
> once
> libv4lconvert.c:925: error: for each function it appears in.)
> libv4lconvert.c:935: error: 'V4L2_FRMSIZE_TYPE_DISCRETE' undeclared
> (first use in this function)
> libv4lconvert.c:940: error: 'V4L2_FRMSIZE_TYPE_CONTINUOUS' undeclared
> (first use in this function)
> libv4lconvert.c:941: error: 'V4L2_FRMSIZE_TYPE_STEPWISE' undeclared
> (first use in this function)
> libv4lconvert.c:921: warning: unused variable 'frmsize'
> libv4lconvert.c: At top level:
> libv4lconvert.c:979: error: conflicting types for
> 'v4lconvert_enum_framesizes'
> ../include/libv4lconvert.h:77: error: previous declaration of
> 'v4lconvert_enum_framesizes' was here
> libv4lconvert.c: In function 'v4lconvert_enum_framesizes':
> libv4lconvert.c:980: error: dereferencing pointer to incomplete type
> libv4lconvert.c:981: error: 'VIDIOC_ENUM_FRAMESIZES' undeclared (first
> use in this function)
> libv4lconvert.c:983: error: dereferencing pointer to incomplete type
> libv4lconvert.c:988: error: dereferencing pointer to incomplete type
> libv4lconvert.c:988: error: dereferencing pointer to incomplete type
> libv4lconvert.c:989: error: dereferencing pointer to incomplete type
> libv4lconvert.c:990: error: 'V4L2_FRMSIZE_TYPE_DISCRETE' undeclared
> (first use in this function)
> libv4lconvert.c:991: error: dereferencing pointer to incomplete type
> libv4lconvert.c:991: error: dereferencing pointer to incomplete type
> libv4lconvert.c:993: error: 'V4L2_FRMSIZE_TYPE_CONTINUOUS' undeclared
> (first use in this function)
> libv4lconvert.c:994: error: 'V4L2_FRMSIZE_TYPE_STEPWISE' undeclared
> (first use in this function)
> libv4lconvert.c:995: error: dereferencing pointer to incomplete type
> libv4lconvert.c:995: error: dereferencing pointer to incomplete type
> libv4lconvert.c: At top level:
> libv4lconvert.c:1003: warning: 'struct v4l2_frmivalenum' declared inside
> parameter list
> libv4lconvert.c:1004: error: conflicting types for
> 'v4lconvert_enum_frameintervals'
> ../include/libv4lconvert.h:82: error: previous declaration of
> 'v4lconvert_enum_frameintervals' was here
> libv4lconvert.c: In function 'v4lconvert_enum_frameintervals':
> libv4lconvert.c:1008: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1009: error: 'VIDIOC_ENUM_FRAMEINTERVALS' undeclared
> (first use in this function)
> libv4lconvert.c:1018: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1019: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1020: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1028: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1029: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1030: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1031: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1033: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1033: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1050: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1051: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1052: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1057: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1073: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1074: error: dereferencing pointer to incomplete type
> libv4lconvert.c:1075: error: dereferencing pointer to incomplete type
> make[1]: *** [libv4lconvert.o] Error 1
> 
> 

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