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| nancy | @CarlFK sir I have made the changes in issue : https://github.com/timvideos/HDMI2USB-mode-switch/issues/91 Kindly have a review | 04:11 |
|---|---|---|
| tpb | Title: Add a "--version" to download-firmware script. · Issue #91 · timvideos/HDMI2USB-mode-switch · GitHub (at github.com) | 04:12 |
| CarlFK | hi nancy | 04:13 |
| nancy | When is discussion on issue [HDMI2USB] Add "hardware mixing" support to HDMI2USB firmware #34 is scheduled ? | 04:15 |
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| CarlFK | nancy: can you show me the output of hdmi2usb-mode-switch --version | 04:17 |
| CarlFK | nancy: re: discussion, I was hoping today but didn't get a time from mithro. timezones and weekends are difficult. | 04:18 |
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| nancy | Sir , in that case if sir can leave me a mail according to convenience | 04:40 |
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| shivm28 | CarlFK: Hi, Thanks for taking time to look into the PR. I am not sure about that bug. There is a if condition in the beginning of the code to check whether the port has EDID capabilities or not. | 14:05 |
| shivm28 | I didn't make any changes in that part of code. | 14:07 |
| mithro | Hi shivm28 - I would really like to take a look at your PR but have been really slammed getting a whole bunch of other stuff done for work | 14:08 |
| mithro | shivm28: So I apologize for the delay | 14:08 |
| shivm28 | mithro: No problem. CarlFK and other folks are helping me a lot learning new things almost everyday. | 14:09 |
| mithro | shivm28: That is the great thing about an open source community :-) | 14:10 |
| shivm28 | Yep :-) | 14:11 |
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| mithro | Hi nancy | 14:19 |
| nancy | Hello sir | 14:22 |
| mithro | nancy: I apologize for not being around and being able to give you feedback as quickly as I would like - I have had very little bandwidth to think about my hobby projects lately which includes GSoC | 14:23 |
| nancy | No prpblem sir , I wanted to discuss regarding my proposal and its implementation and the work which I have to accomplish now | 14:25 |
| mithro | nancy: I don't have a huge amount of time now - but maybe I can give you a quick brain dump? | 14:25 |
| shivm28 | mithro: Just to inform you, I discussed my project:"to create generic debug system using OpenSoCDebug" with Phillip Wagner and have submitted the proposal for the same. | 14:26 |
| mithro | shivm28: Okay, I have access to the FOSSi foundation proposals too -- but we should coordinate that, can you tell CarlFK this information? | 14:27 |
| mithro | nancy: Did you see that ssk1328 had done a large amount of the project as part of GSoC last year? | 14:27 |
| shivm28 | mithro: I have submitted the proposal in the TimVideos project site. | 14:27 |
| nancy | Yes sir , I have studied about the project and the pill request 300 | 14:28 |
| mithro | nancy: Great! | 14:28 |
| mithro | nancy: So the work for your project is really about the "integration" of ssk1328's into the HDMI2USB firmware | 14:29 |
| shivm28 | mithro: I intend to complete run control debugging part of OpenSoCDebug project and then integrate the project into HDMI2USB/LiteX firmware. | 14:29 |
| mithro | nancy: Integration work is *hard*, so we really need to get you comfortable with how the firmware/gateware works, our overall long term goals and good plan around testing | 14:31 |
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| nancy_ | yes sir i wanted to implement gamma correction | 14:31 |
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| mithro | nancy: Integration work is *hard*, so we really need to get you comfortable with how the firmware/gateware works, our overall long term goals and good plan around testing (in case you missed it) | 14:32 |
| mithro | nancy_ + shivm28: I recommend signing up for IRCCloud rather then using the freenode web gateway | 14:32 |
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| mithro | nancy_ + shivm: I recommend signing up for IRCCloud rather then using the freenode web gateway | 14:33 |
| mithro | It's much nicer and has both a web and mobile client | 14:33 |
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| mithro | nancy_: Has CarlFK talked to you about the idea around padding / accepting video resolutions which don't match the internal video modes? | 14:35 |
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| nancy_ | No sir | 14:35 |
| mithro | nancy_: Okay, I'll get him to reach out about that | 14:35 |
| mithro | nancy_: This is probably a good task as it covers understanding how data is transferred into memory | 14:36 |
| nancy_ | I had checked ssk work and i had the idea of Run length encoding ( 3 level deep ) not completed yet . if i am wrong correct me | 14:36 |
| mithro | nancy_: I'm unsure - we should definitely reach out to ssk1328 and find out where he thinks things are at | 14:37 |
| nancy_ | Sir I will try to reach ssk and will try to get idea about the loopholes and the work to be completed ! | 14:38 |
| shivm | mithro: Ya sure. So, regarding the project, we planned to add software debug tool, i.e. GDB and hardware specific module, i.e. CDM module into OpenSoCDebug Project and then add the project into Litex/HDMI2USB firmware using off chip architecture of OpenSoC first and then work on custom library (if time permits). Does that sound ok in terms of the project proposal? | 14:39 |
| mithro | nancy_: Yes | 14:41 |
| mithro | cr1901_modern: Might also be another good person to chat with | 14:41 |
| mithro | nancy_: It might be a good idea to look at this document too -> https://docs.google.com/document/d/1L8lz7u2uj6MrzSQv4b1Vk6Rmic26okyRklOju5IWLYA/edit?usp=sharing | 14:41 |
| tpb | Title: MiSoC / LiteX HDMI refactoring - PixelBone - Google Docs (at docs.google.com) | 14:41 |
| mithro | nancy_: That is kind of a "long term goal" of the direction I want the video stuff to go in | 14:42 |
| mithro | nancy_: I've talked a lot to cr1901_modern about that topic, so when I'm not around he might be able to answer questions | 14:42 |
| nancy_ | yes sir ! | 14:43 |
| mithro | nancy_: As I think it has been said in every British period drama every, "Sir is my father - feel free to just call me mithro" :-) | 14:44 |
| mithro | nancy_: Sir is _very_ formal :-) | 14:44 |
| mithro | We are not a formal bunch | 14:46 |
| nancy_ | Yes, i had developed a habit of referencing as 'sir' , Regarding Gamma correction hardware ehich was not implemented . | 14:47 |
| nancy_ | I wanted to discuss about its implementation with Taylor series architecture or Look up Tables | 14:48 |
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| mithro | nancy_: I'm less concerned with the "hard" part -- IE that of how to _actually_ do the gamma correction - I'm more interested in the "interface side" | 14:50 |
| mithro | nancy_: IE What the interface to the firmware, the user, etc | 14:51 |
| mithro | nancy_: If we get that right, we should be able to switch how the correction is actually done without affecting the user | 14:52 |
| mithro | nancy_: So we can try Taylor series and look up tables and figure out which is best for our application | 14:52 |
| mithro | nancy_: IE It is very hard to predict early which method is going to be the best | 14:53 |
| nancy_ | Ok , so i will dig more into ssk work and get an idea around padding/ accepting video resolutions which dont match the internal video modes | 14:55 |
| nancy_ | which would help me for further work and will do analysis regarding interface | 14:56 |
| CarlFK | nancy_: I want to talk to you about padding. but I need to go out now for 30 min or so. and I want to make some diagams, which may not happen for another hour or two. how long will you be awake today? | 14:56 |
| nancy_ | sir, i will be awake till 4 am IST | 14:58 |
| CarlFK | how many hours is that? | 14:59 |
| nancy_ | 7 hours from now ! | 15:01 |
| CarlFK | perfect - I can have something in 3 hours from now - | 15:01 |
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| CarlFK | I'll ping you here. also, check out riot.im as another way to do IRC. that is what I use. the android app is ok. | 15:02 |
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| nancy | Ok sir | 15:05 |
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| nancy | Yes sir , perfect ! | 15:06 |
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| akhil_singh | Hello everyone ! | 17:14 |
| akhil_singh | mithro: I have submitted the proposal for IBERT project and have already started studying about how to implement it. | 17:15 |
| akhil_singh | mithro: I have written a code for pattern generator, it will be good if you can review it. Can you tell where should i submit that for review ? | 17:17 |
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| harshgugale | Hi Mithro : Did you review my proposal regarding the Xilinx IBERT clone project? I have been in touch with Florent for the past month so was not that active on the IRC. | 17:21 |
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| CarlFK | akhil_singh: do you have a github account? | 17:25 |
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| CarlFK | re iBERT - we are hoping to accept both, but want to make each one a little different | 17:25 |
| akhil_singh | CarkFK: Yes | 17:26 |
| CarlFK | akhil_singh: fork the repo into your account, clone to your local machine, edit, test, commit, submit PR (Pull Request) | 17:26 |
| CarlFK | that is how you submit that for review. | 17:26 |
| akhil_singh | CarlFK: Thanks, I will do that. | 17:27 |
| harshgugale | Hi CarlFK : What changes? | 17:27 |
| CarlFK | if you skipped the fork step and just cloned the timvideos repo.. best to put that in a temp dir, start over and move the edited files | 17:28 |
| akhil_singh | CarlFK: Okay | 17:28 |
| CarlFK | harshgugale: we aren't sure yet. one idea is: one will be user centric, the other automated testing api focused | 17:28 |
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| CarlFK | it would be nice if you two worked together, but that is against the GSoC rules. so not that. | 17:29 |
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| harshgugale | CarlFk : Ok. So when can we ping you again regarding this? Till that time I had planned to get Fluent in Python and migen. So, I'll carry that on. | 17:31 |
| CarlFK | harshgugale: best to just wait. there is a gsoc deadline April 9 (7 days) so we should have it sooner | 17:33 |
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| CarlFK | but yes, Python and migen and working with the build process is going to be the same no matter what | 17:33 |
| nancy | @CarlFK sir we have scheduled discussion regarding padding / accepting video resolutions which dont match the internal video | 17:34 |
| CarlFK | yes - working on drawings now... basically http://f.vimeocdn.com/si/videoschool/resolution_comparison_chart.png | 17:35 |
| CarlFK | but not that image, so hang on... | 17:35 |
| shivm28[m] | CarlFK: Did you guys look into the project proposal regarding run-control debug system? | 17:35 |
| CarlFK | we have looked at all of them - they all look good. trying to figure out what mentorns will take which | 17:36 |
| akhil_singh | CarlFK: I will submit the PR today and will try to get familiar with migen in the mean time. | 17:41 |
| nancy | no problem , will wait ! | 17:41 |
| shivm28[m] | CarlFK: mithro told me to inform you that I have discussed the project with Phillip Wagner( OpenSoCDebug folk) and planning to work jointly on the project. | 17:43 |
| CarlFK | cool | 17:44 |
| CarlFK | does anyone know where (0,0) is on the hdmi2usb buffers? | 17:45 |
| CarlFK | I am assuming upper left | 17:45 |
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| CarlFK | nancy: does this render an image? can you see x1 y1 ... ? | 18:10 |
| nancy | is it about http://f.vimeocdn.com/si/videoschool/resolution_comparison_chart.png | 18:12 |
| CarlFK | um.. that didn't answer my question | 18:13 |
| nancy | yes sir ! | 18:15 |
| CarlFK | good. I wasn't sure if I needed to create png files. | 18:15 |
| CarlFK | I still need to make a few more... | 18:15 |
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| nancy | Sir what exactly we are aimimg to integrate ? | 18:20 |
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| CarlFK | nancy: sorry, got distracted - about done enough for now | 19:29 |
| CarlFK | need to commit things to gh so you can see them... one more moment... | 19:29 |
| CarlFK | oh great. fatal: pathspec '1920×1080/"1920\303\2271080_input.svg"' did not match any files | 19:33 |
| CarlFK | the x isn't the letter x. | 19:33 |
| nancy | sir , i didnt get you | 19:36 |
| CarlFK | nancy: sorry, having troubles with a bad character in file name.. | 19:41 |
| nancy | sir , could you please tell me what exactly we are aiming to | 19:42 |
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| CarlFK | nancy: almost done - touching up some collors.. and trying to find out why one image is completely blank | 20:26 |
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| CarlFK | nancy: you here? if so, I'll stop trying to fix a broken svg and work around it. | 20:30 |
| nancy | yes sir | 20:31 |
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| CarlFK | we do want you to do what your proposal says, but add something 'easy' to it to do first: | 20:33 |
| CarlFK | put aside scaling and start with: implement mapping (good word?) different res input onto the current ouput | 20:33 |
| CarlFK | i made a buch of examples of what that means: https://github.com/CarlFK/HDMI2USB-litex-firmware/tree/master/doc/resmaps | 20:34 |
| tpb | Title: HDMI2USB-litex-firmware/doc/resmaps at master · CarlFK/HDMI2USB-litex-firmware · GitHub (at github.com) | 20:34 |
| CarlFK | currently, we only support the same input resolution as the output: see ex1 | 20:36 |
| nancy | yes | 20:36 |
| CarlFK | whopps, ex0 | 20:37 |
| CarlFK | we want the option of padding a smaller res like ex1 | 20:37 |
| CarlFK | or cropping: ex2 | 20:37 |
| CarlFK | in ex2, we are losing lots of the image, but that is OK for this mode. | 20:37 |
| CarlFK | nancy: do you understand? | 20:40 |
| nancy | yes sir | 20:41 |
| nancy | sir ust had a doubt , regarding the exact current scenario with resolutions . | 20:42 |
| nancy | the resolution supported? | 20:44 |
| CarlFK | moment, let me get a list of the defaults | 20:46 |
| CarlFK | http://paste.ubuntu.com/p/sMWpp9NRk3/ Available video modes: | 20:53 |
| tpb | Title: Ubuntu Pastebin (at paste.ubuntu.com) | 20:53 |
| nancy | ok sir , i am having a look at all documents , and resmaps . | 20:54 |
| nancy | So this is the task to support option of padding /cropping | 20:58 |
| CarlFK | correct | 21:02 |
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| nancy | ok CarlFK sir , let me start digging intothis , I will go through all the things and get back to you as i proceed with work and in case of | 21:06 |
| nancy | any doubt | 21:06 |
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| CarlFK | nancy: just a sec. I am adding to one of the diagams | 21:06 |
| CarlFK | showing the first change that will need | 21:06 |
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| nancy | i could see the latest commit | 21:14 |
| CarlFK | https://github.com/CarlFK/HDMI2USB-litex-firmware/blob/master/doc/resmaps/ex1.svg | 21:17 |
| tpb | Title: HDMI2USB-litex-firmware/ex1.svg at master · CarlFK/HDMI2USB-litex-firmware · GitHub (at github.com) | 21:17 |
| CarlFK | that shows the current implementation. there is no X,Y | 21:18 |
| nancy | yes sir , i saw the latest commit , current implementation | 21:18 |
| CarlFK | your first milestone should be to re-code it to use X,Y, even though the resolutions are the same | 21:20 |
| CarlFK | so the behavior will be the same, but the code will be ready for the next step of adding and removing pixels | 21:20 |
| nancy | ok | 21:22 |
| CarlFK | ok - I think we are done. you should add these 2 or more steps to your proposal | 21:22 |
| CarlFK | also, don't worry about centering the image | 21:22 |
| CarlFK | that can come later, or never. | 21:23 |
| CarlFK | padding and cropping will be useful right away. | 21:24 |
| CarlFK | and that shoud work before scaling | 21:25 |
| nancy | yes CarlFK sir ! i will go through all the things | 21:26 |
| CarlFK | thank you | 21:27 |
| CarlFK | sorry about the delays | 21:27 |
| CarlFK | if you clone my repo and open the svg files in inkscape, they will render on your screen. | 21:28 |
| CarlFK | but I am not sure if you need them now. | 21:28 |
| CarlFK | ok, anyone waiting on me for anything ? | 21:28 |
| nancy | As of now i need to go through things , Thank you sir for taking out time ! :) | 21:29 |
| CarlFK | you're welcome - feel free to ask questions, I was a bit rushed | 21:30 |
| nancy | cool ! :) | 21:30 |
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