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| hverkuil | mchehab: when building the documentation I keep getting this warning:
Documentation/media/uapi/dvb/video_function_calls.rst:9: WARNING: toctree contains reference to nonexisting document 'uapi/dvb/video-set-attributes' | [13:51] | |
| mchehab | isn't this one of the files that was removed from API? | [13:51] | |
| hverkuil | you know that better than I do, I think you removed it :-) | [13:52] | |
| mchehab | do a git status and see
perhaps you're keeping it on your FS after its removal from git | [13:52] | |
| hverkuil | No, it's not there. But video_function_calls.rst refers to video-set-attributes. | [13:53] | |
| mchehab | hmm, ok. feel free to submit a patch while you're on it...
otherwise I'll address it next week no idea why I didn't notice it perhaps *I* have the file locally on my tree build environment :-D (didn't check... my build machine is not turned on) it produces a lot of heat... I only turn on when handling patches | [13:53] | |
| hverkuil | posted patch | [13:55] | |
| mchehab | thanks | [13:55] | |
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| arnd | svarbanov: have you tested the venus driver in compat mode?
I see that you set .compat_ioctl32 = v4l2_compat_ioctl32, which appears to lead to an infinite recursion or maybe only for unknown ioctl commands I think it should be fine if you just remove both instances of that line, but I find that code a bit confusing, so I'm not completely sure | [15:55] | |
| ndufresne | hverkuil, about FWHT codec, is there a reference implementation we can use to test, or can we copy an implementation from somewhere ? | [16:01] | |
| hverkuil | The paper on this codec is here: https://hverkuil.home.xs4all.nl/fwht.pdf | [16:02] | |
| ndufresne | sure, my point is that nobody cares about the format, I was simply asking if there was a ready made C library to integrate in tests | [16:03] | |
| hverkuil | I suspect that the last time this codec was used was in the 70s by the NASA space program :-)
Almost. https://www.mail-archive.com/linux-media@vger.kernel.org/msg134524.html This patch series refactors the vicodec source to make it easy to reuse elsewhere, including userspace.
| [16:03] | |
| ndufresne | sounds good with me
hverkuil, did you incorporate some coded vs display sizes into that ? | [16:05] | |
| hverkuil | It's similar to the way we reuse the v4l2-tpg test pattern generator. | [16:05] | |
| ndufresne | to mimic what most m2m codec do
ndufresne will be back in few minutes | [16:05] | |
| hverkuil | ndufresne: sorry, not sure what you mean. Are you talking about e.g. 1920x1080 vs 1920x1088 (to accomodate macroblock sizes)?
if that's the case, then the answer is 'not yet'. | [16:07] | |
| cristian_c | ndufresne: I've grabbed some frames via v4l2-ctl, and I've analysed via rawathreapee (raw format)
but it lacks the needed steps in order to calculate the expected size of the buffer btw, rawthreapee creates .pp3 info files related to frames | [16:12] | |
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| ndufresne | hverkuil, to accommodate typical HW alignment requirement, which may or may not be limited to 16x16 macronblocks | [17:12] | |
| cristian_c | anyway, I'll analyse .pp3 files, more deeply
-, | [17:15] | |
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