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| mithro | Bertl_zZ: ping me when you are around | 01:41 |
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| mithro | thaytan: You seem to have been in LWN a lot lately :P | 02:50 |
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| thaytan | mithro, it helps to hang out with one of their writers :) | 02:53 |
| mithro | thaytan: Nathan? | 02:54 |
| thaytan | yeah, he came to the GStreamer conf | 02:57 |
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| mithro | thaytan: I didn't have much luck getting any of the Opsis stuff into LWN | 03:20 |
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| mithro | shenki: you still around at all, or have you started your holiday already? | 03:32 |
| shenki | mithro: still around, but really busy | 03:49 |
| mithro | shenki: is there a kind of "contributing to the linux kernel style guide" type thing somewhere that includes things like what the header comments in files should look like? | 03:50 |
| shenki | mithro: err, checkpatch.pl? | 03:50 |
| shenki | mithro: there's Contributing in Documentation/CodingStyle | 03:51 |
| shenki | err | 03:51 |
| shenki | that sentence was malformed | 03:51 |
| mithro | shenki: ha checkpatch.pl is a real domain too :) | 03:51 |
| shenki | heh | 03:51 |
| shenki | does it check patches? | 03:51 |
| mithro | shenki: These files won't actually go in the Linux kernel, I just wanted to copy their style because it includes a bunch of Linux headers in it | 03:52 |
| CarlFK | mithro: Drew has been doing some kernel hacking | 03:52 |
| CarlFK | let me see if I can find him | 03:52 |
| mithro | shenki: okay, I'll take a look at Documentation/CodingStyle too | 03:56 |
| mithro | shenki: my other question was, is there a "compile time assert" that exists in the Linux kernel code? | 04:00 |
| thaytan | panic() :) | 04:00 |
| mithro | thaytan: that is a runtime assert? | 04:01 |
| shenki | mithro: yes | 04:02 |
| shenki | mithro: ccan has one | 04:02 |
| thaytan | mithro, yes, it is | 04:02 |
| mithro | thaytan: I basically want to confirm a couple of things like a structure is ending up at the right size | 04:02 |
| mithro | shenki: I know a bunch of ways to do a compile time assert in C, but was wondering if there is a standard one that the Linux kernel uses? | 04:02 |
| shenki | mithro: https://ccodearchive.net/info/build_assert.html | 04:02 |
| tpb | Title: ccan (at ccodearchive.net) | 04:02 |
| shenki | mithro: ccan is a good place for this stuff, as rusty has reimplemented lots of common kernel things for use in userspace | 04:03 |
| shenki | mithro: the kenrel has BUILD_BUG_ON that you could take a look at | 04:03 |
| shenki | mithro: include/linux/bug.h | 04:03 |
| mithro | shenki: Thanks! that is what I'm looking for :) | 04:04 |
| shenki | i'd use the ccan stuff though, that's what it's there for | 04:04 |
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| * mithro slowly figures out the contents of the HDMI2USB USB descriptors | 07:44 | |
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| xfxf | mithro: was there any news on how to get 30fps using gstreamer? | 08:42 |
| xfxf | i assume there's a magic line needed somewhere - could only get 15fps yesterday | 08:42 |
| xfxf | framerate=25/0 or 30/0 no worky | 08:43 |
| _florent_ | xfxf: can you try to comment this: | 08:48 |
| _florent_ | https://github.com/timvideos/HDMI2USB-misoc-firmware/blob/master/firmware/lm32/encoder.c#L170 | 08:48 |
| tpb | Title: HDMI2USB-misoc-firmware/encoder.c at master · timvideos/HDMI2USB-misoc-firmware · GitHub (at github.com) | 08:48 |
| _florent_ | it's possible that identifier_frequency_read()/30 is not correct | 08:49 |
| _florent_ | and give 15 fps instead of 30 | 08:49 |
| _florent_ | with this line, you'll be running the encoder at the maximum speed | 08:49 |
| xfxf | _florent_: ah, neat - yeah can do when i'm home in a hour or so | 08:49 |
| _florent_ | just need to recompile the firmware not the gateware | 08:49 |
| xfxf | nod | 08:49 |
| mithro | xfxf: what is the encoder saying? | 09:03 |
| mithro | xfxf: I've also been looking at the HDMI2USB USB descriptors and there are some around frame rate | 09:04 |
| mithro | Gstreamer might be more respective of what we advertise compared to mplayer | 09:05 |
| mithro | More magic numbers figured out! | 11:25 |
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| GChriss | v4l2-ctl -d /dev/video1 --list-formats-ext | 15:47 |
| GChriss | ^= might help | 15:47 |
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