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Official Low GOP topic, series 4
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  • @Tifose I haven't compared them. The reason I stuck with the AQuarius was because I hadn't time to test Quantum V9 (that's the patch you're referring to right?) prior to shooting and I didn't want to load it for shooting without testing. I will be switching to Quantum patch soon. So the reason I stuck with the AQuarius had nothing to do with performance, merely convenience :-)

  • @RJH did AQuarius patch give you a more Film look over the V9? i will be doing a short Movie Soon need the best patch for Film Look

  • @driftwood Excellent news, our rough cut has shortlisted to the top 20!

    Voting is now open so any votes are greatly appreciated

    Just to recap, we shot our film "Blade Runner in 60 Seconds" on Driftwood's AQuarius patch. Thanks to @Vitaliy_Kiselev @driftwood and all who are working hard to make the GH2 a beast of a machine.

    http://www.empireonline.com/awards2012/diss/shortlist/17.asp

  • @Tifose Thanks for using. :-)

    "can i change the bit-rate from 154000000 to 180000000 ?"

    Only a form can be changed into 180M if lower bit rate settings are adjusted. But since it can use only about 145M in practice, it is not meaningful, IMO.

    @proaudio4 Since I learned many things from your severe test, I appreciate mate. :-)

    @theeccentric I am looking forward to your work. Thanks! :-)

  • @inhousegoods - That GOP1 is GORGEOUS. Lens? Framerate?

  • @bkmcwd I'll be using the latest patch this weekend on a music video. I'll post results when I'm done.

  • Great info driftwood! Looking forward to version X!

    Also, you are absolutely correct about bkmcwd. He has a lot of determination and his GOP3 produces excellent results.

  • Greetings From South America, Caribbean. Just wanted to say Thanks to @Driftwood for his Great work i am using @bkmcwd GOP3ZILLA new Patch Love it bkmcwd can i change the bit-rate from 154000000 to 180000000 ?

  • @ishvar Thanks for feedback mate. :-) Please tell me your impression again.

  • @bkmcwd Did a simple test with your latest patch. Perfect motion, details and clean footage! More tests will follow! THX!

  • @Alex It is very interesting footage. And, I also felt the thrill. :-)

    "It only canceled recording a few times when I was shooting high frequent details in EX. Tele mode." Thanks for feedback mate. Since I do not have time to test whether it is spanning whether recording stops with cards other than SanDisk 95M, I have done only the test using this SDXC. However, since any feedbacks are consulted very much, I appreciate.

  • @HillTop1 Thanks for using my patches. I know the cause with "silent" users of my patches. Probably, it is the first reason that it has my strange English. :-( Stray and driftwood explained my patch instead of me until now also. Furthermore, since I require time for reading English and require time also for writing, I feel I am sorry to everybody. But I am glad if comment can be heard. :-)

  • @driftwood Thanks for your comment about my patch. :-) It was like building my patches together with you.

    BTW... "I will be creating a list table this week of Encoder testings with results from tripod death charts shoots for evaluation across the three main REC modes." GREAT NEWS!!! Although I was still testing Encorder Settings only about 100 times (only in 24p), with the manual Q, I was seldom able to feel the effect. Many thanks for your information!

  • Aquamotion v2 is an update of Aquamotion. Quantum 100 follows in the same pattern, with a slightly higher bit rate. These all span using SanDisk Extreme HD Video cards, and they support VMM80% (30p) mode.

  • @mozes - I don't believe there is an updated aquamotion. There are other patches that have higher image quality. What card are you using?

  • A question for @Driftwood.
    Ad the moment i use "GOP1 AQ2 'AQUAMOTION' Experimental patch".
    I realy enjoy this patch, never before i did have such a smooth picture when slowed down with twixtor.
    Even with a lot of details in the background, twixtor still looks good
    (there is still warping, but i gues i can edit that some more out off the picture, when i take some more time for it)
    The question Is: is there a updated patch for Auamotion?

    <

    p>

    I did remove some colors in th clip, so there was some more contrast for twixtor to work with.

  • well indeed, it looks a bit scary

  • The real trill in that video are those kids on that roof!!, in snow!!, are you smoking something...

  • today I loaded my GH2 with the bkmcwd new GOP3ZILLA patch and did a little bit of shooting in the field. I use a funky Wanderlust Pinwide pinhole lens and a c-mount 1.4 25mm Schneider-Kreuznach Cine-Xenon RX. SD card was a rather slow Lexar 128GB class 10. It only canceled recording a few times when I was shooting high frequent details in EX. Tele mode.

    here is footage from the pinhole "super8" stuff:

  • One thing that I have learn from this forum and site if you think someone is doing something great don't be afraid to stand by them. The patch I use most of the time are @bkmcwd patches. Really great patches. I just don't know why I havent let people know how great his patches are. I guess when I do work for my clients and when the look at it and love it, im happy. @bkmcwd, like you said before. " your silent users" im one of them :) That for the great work!

  • @driftwood. Nick, that's the spirit. Way to go mate. The combination of the great minds in this forum will crack the mystery of GH2 very soon. I feel privileged to be part of it and learning a great deal from it.

  • Ptools: AVCHD Research>=What are Encoder Settings?

    As I have reported many times now, the encoder settings are still fairly mysterious but seem to be weighted towards 'helping' quantisation or a factor for bitrate to frame limiting. Here's what you need to look out for;-

    1080p/I Enc Set 1 = default is 3 (set to 2 or 1 for i frames under GOP1 for stability) If you leave this on default (3) you will get the jerky frame recording almost like B frames going wrong with forwards/backwards motion. See example;-

    (nice effect for free!)

    Q. Why does it happen? A. The second frame of the GOP is a P frame, Setting 1080p/i to 1 or 2 rids itself of this 'rogue' P frame. Panasonic use this P frame for setting rate control for Long GOP. As GOP 1 is all INTRA it is not required. As it shares its setting with 1080i, GOP 1 will give you pure I frames in interlace mode, however on inspection in Elecard Streameye the Top Field is encoded with Intra macroblocks, the bottom field is encoded with Inter macroblocks and appears as a P frame slice.

    720p Enc Setting 1 = 2 (default) Under Long GOP you will get I frame & P frames. However, set it to 3 to include B frames. If the GOP rate in ptools has been set to 1, set this setting to 1 for purer i frames.

    Throughout all the other settings it appears that from encoder setting 2 to encoder setting 4 there is a balance of play involved - some kind of factor for LOW and HIGH bitrate & weighted Quantisation.

    It has been noted from the stock values that the sum of setting x in 1080p + setting x in 720p = setting x of 1080i. It has also been noted that Encoder setting 4 could be part of a Quantisation maximum ceiling (worse quality high compression) and a factor of x is being employed. Stock settings suggest this factor could be 3. Therefore, 3 * 17 on encoder setting 4 for 1080i equals 51 (the ceiling Quantiser parameter), setting it lower can improve the quality/stability but, of course, it's also based on a factor of your bitrate setting to achieve good results & stability. We are aware of a kind of inbalance of 720p60 to 1080i60 and it here that the answer probably lies. These settings need to be tried and tested.

    Similarly, Encoder Setting 3, could well be Panasonic's way of 'trimming' the bottom end (the best Quantisation quality) of the parameters. And encoder setting 2 could be some form of initialiser.

    Of course all the above is pure theory and is unproven due to the large amount of other parameter settings involved in ptools. Therefore, if anyone has any opinions as to what these encoder settings mean or do, we are all quite willing to listen you.

    I can tell you this, on some 720p INTRA spot tests these will fail;-

    Enc1, Enc2, Enc3, Enc4

    =1 =1 =1 =1 = Record Failure (no REC at all)

    =1 =6 =1 =16 = Record Failure

    =1 =1 =1 =9 = Record Failure

    =1 =2 =1 =1 = Possible Failures

    =4 =3 =4 =9 = Record Failure

    And these work and report greater to worsening bitrate employment as follows;-

    Enc1, Enc2, Enc3, Enc4

    =1 =2 =1 >=2 = Records, Higher bitrate ceiling on streamparser (e.g.120M)

    =1 =3 =1 >=2 = Records, Lower bitrate ceiling on streamparser (e.g. 107M)

    =1 =4 =1 =9 = Records, even Lower bitrate ceiling on streamparser (e.g. 90M)

    Finally, Messing with encoder settings too high can lead to your GH2 switching on/off, green flashing, or just cpu halting. Normally, a battery out reset is required to re-ignite the GH2. Just be careful if you are going to test your settings on the encoders.

    I will be creating a list table this week of Encoder testings with results from tripod death charts shoots for evaluation across the three main REC modes.

    I hope this is useful.

    Nick

  • Gopster - that's a good word. Like in "The GOPSTER that Returned from the DEAD".

  • @driftwood >this thread is for all low gopsters and people like bkmcwd deserve more recognition - he has taken months fine tuning his GOP3 and sharing his reports and results in this LOW GOP THREAD and IT WORKS on high detail and motion< Yes!!!

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