v4l2src does not support progressive interlacing

[Tim Harvey]

On Mon, Oct 29, 2018 at 11:56 AM Nicolas Dufresne <nicolas at ndufresne.ca> wrote:
>
>
>
> Le lun. 29 oct. 2018 18 h 32, Tim Harvey <tharvey at gateworks.com> a écrit :
>>
>> On Sun, Oct 28, 2018 at 3:44 PM Nicolas Dufresne <nicolas at ndufresne.ca> wrote:
>> >
>> >
>> >
>> > Le dim. 28 oct. 2018 20 h 43, Antoine Villeret <antoine.villeret at gmail.com> a écrit :
>> >>
>> >> hi Nicolas,
>> >>
>> >> as far as i understand v4l2-compliance output (https://gist.github.com/avilleret/0eb894d58612d91aba7ab81f9d823dbf)
>> >> bttv driver does support TRY_FMT
>> >> but I might be wrong
>> >>
>> >> on the other side, I made further test with your path, and it seems to work.
>> >> 'it seems' because strangely a test pipeline abord with the output you've already look at.
>> >> But my program (based on OpenFrameworks) does work with your patch while it didn't with gstreamer 1.14 from Ubuntu 18.04 repo.
>> >> I don't know actually what trigs the error you see and why the test pipeline abord before displaying anything,
>> >> maybe I miss some extensions/plugins.
>> >
>> >
>> > Ok, so it seems like the patch does something. I'll reread with the assumption TRY_FMT isn't supported, I might better understand. I always believed that without that, it would always fail.
>> >
>> >>
>> >> Thanks for your time, and I might make further test tomorrow if you need.
>> >>
>>
>> Nicolas,
>>
>> Did you receive the log I sent you regarding my experience with this
>> issue? I can send again if needed.
>>
>> Regards,
>
>
> I haven't I believe. Maybe the ML have eaten it, was it big ?

I sent it off-list... it probably went to your spam :)

I've attached it (135K) here.

Tim
-------------- next part --------------
A non-text attachment was scrubbed...
Name: GST.log
Type: text/x-log
Size: 138235 bytes
Desc: not available
URL: <https://lists.freedesktop.org/archives/gstreamer-devel/attachments/20181029/78ed69c0/attachment-0001.bin>