40Mbps AVCHD High Reliability Patch

[CColton]

Regarding the 24p native Blackout patch - couldn't you just record in 60p with the reliability patch and drop that file into a 24p timeline/getting more initial data versus shooting 24p?

No, 24p resolution is 1920x1080, and 60p resolution is 1280x720, so 24p has noticeably better resolution. 24p is used for most normal recording, since it's the highest resolution. 60p is useful for slow motion.

A couple of things I'm not following with the Reliability Patch:

What is different from just manually inputting the higher values into Ptool/without the patch?

There are other Ptool settings, mostly under "For Testers Only" used to stabilize recording. They work well even though they're in the testing section.

Would the 24p Blackout patch be the best all-purpose for my situation; cover low light and bitrate?

In my opinion, the Blackout patch is best for that situation, since it's almost completely stable, and you're not going to be shooting the most stressful subjects from the codec's point of view.

 

[cut2052]

No, 24p resolution is 1920x1080, and 60p resolution is 1280x720...
There are other Ptool settings, mostly under "For Testers Only"...
...In my opinion, the Blackout patch is best for that situation, since it's almost completely stable, and you're not going to be shooting the most stressful subjects from the codec's point of view.

Thanks very much - the 24p blackout will be with my first hack.

My suggestion is to practice. You can't shortcut this process. Try it under your conditions and learn which is best for you... Al

Thanks for that, will practice.

 

[cut2052]

I successfully did the GH17 hack. I decided to try the Reliability patch. MediaInfo reported "first video stream", in different files, as bit rates of 13,16,21mbps and overall bit rate of 43.1.
Is that the allowable ceiling or what was actually utilized?

 

[CColton]

i successfully did the gh17 hack.

gh17?

 

[cut2052]

gh17?

That's what they're calling the new hack: GH17 Lenin

 

[CColton]

That's what they're calling the new hack: GH17 Lenin

Amazing. Looks like I'm getting another body!

 

[havasuphoto]

Wow...just wow!!!
I got my new body last week, and I only have a class 4 kingston card-so I was not thinking of hacking the "un-hackable" camera until I got a faster card. I had taken some test video's in SH(720/60P) mode, and they looked like crap-go figure.
So, I took the "plunge" today and loaded the new V2 40mbs reliable patch. With Kingston Class 4 in camera, out to shoot I go. Holly molly, what a difference!!! Before, I was getting something like 13mb/second. Now I'm getting around 38mb/second, and the difference is hugely noticeable. How you guys lived with this camera, without the patch, is beyond me.

I also tried some FHD(1024/24-60i wrapper). Now I know it's not native 24p and needs to be reverse telecined. But, I just opened up Sony Vegas Pro 9, selected the project settings, dropped it into the timeline, and rendered to MP4, and voila....I have a very watchable 24p video. Not sure how, or even if, Vegas removed the 3:2 pull-down, and to be honest, I don't know that it did. But just watching the footage straight out of the camera had this white interlaced footage over the recorded footage-literally unwatchable. Vegas removed that, and what I have now, according to media info is a 1024/24P video file, that has an average bit rate of 20mb/second(pretty much what I told Vegas to do-max of 50mb/sec, average of 20mb/second.).

So, am I missing anything here?? Do I really need to reverse tele-cine the footage that comes out of the camera using this patch??

OH, and just so you know-I did have one instance where I got an error message-"card not fast enough"....ya think??? I as trying to record the rocks in my backyard(kind of a torture test), and in SH, at one point, it had had enough. Didn't lock, just stopped recording.

OH, and my brand new, V1.34 GH1 now says "Body Firmare 0.0".

Thanks Vitaly and Lpowell, and everyone else involved in creating the hack and patches, for all your hard work. Been reading the thread and following the forum for a long time, and waited to purchase until the new bodies were hackable-ordered the day I heard. Lucky me!!!

 

[butler360]

I also tried some FHD(1024/24-60i wrapper). Now I know it's not native 24p and needs to be reverse telecined. But, I just opened up Sony Vegas Pro 9, selected the project settings, dropped it into the timeline, and rendered to MP4, and voila....I have a very watchable 24p video. Not sure how, or even if, Vegas removed the 3:2 pull-down, and to be honest, I don't know that it did. But just watching the footage straight out of the camera had this white interlaced footage over the recorded footage-literally unwatchable. Vegas removed that, and what I have now, according to media info is a 1024/24P video file, that has an average bit rate of 20mb/second(pretty much what I told Vegas to do-max of 50mb/sec, average of 20mb/second.).

So, am I missing anything here?? Do I really need to reverse tele-cine the footage that comes out of the camera using this patch??

Vegas may have automatically de-interlaced or something, since it detected interlaced video destined for computer playback. I know Premiere does that automatically, so Vegas may too.

 

[Yaz]

So, this 40mbps AVCHD hight reliability patch. I've finally tried it. It's dark at night, right now, but i shot some short footages from outside my window.
I forgot to shoot a control video before having hacked it, so I don't know exactly how well the hack allowed the video function to be >< (shoot...)
Anyways, I see some guys posting frame grabs off the videos they shot, and they have the streams parsar under them to show how big the bitrate per second the video shot at.
I'd also like to know how to see that off my video. Which program?

Thanks!

 

[Schmoe]

So, this 40mbps AVCHD hight reliability patch. I've finally tried it. It's dark at night, right now, but i shot some short footages from outside my window.
I forgot to shoot a control video before having hacked it, so I don't know exactly how well the hack allowed the video function to be >< (shoot...)
Anyways, I see some guys posting frame grabs off the videos they shot, and they have the streams parsar under them to show how big the bitrate per second the video shot at.
I'd also like to know how to see that off my video. Which program?

Thanks!

Download the Stream Parser here:
http://www.dvxuser.com/V6/showthrea...er-2.0-Beta-Available&highlight=stream+parser

 

[Dave B.]

I am about to install this patch in my previously unhackable GH1. What I would like to know, is will it be suitable for my main use at the moment. I like to film trains on a local Heritage Line and some of the clips can be 2mins plus of trains going from 0 -30mph, can this Patch handle this with a Panasonic Class 10 Card in varying daylight conditions without freezing? Thank you.

 

[Energy80s]

I would say YES as I have used it to film both steam trains and rally cars without any problems. However the newer patches seem to be more problamatic.

 

[havasuphoto]

I would say YES as I have used it to film both steam trains and rally cars without any problems. However the newer patches seem to be more problamatic.

Care to expand on that statement?? In what way are the new patches problematic, and what is your set-up??

 

[Energy80s]

Care to expand on that statement?? In what way are the new patches problematic, and what is your set-up??

Only that they locked up on my camera with both Class 6 and Class 10 cards. However I've now bought a Class 15 card so will try that tomorrow and report back.

 

[havasuphoto]

Which model card was your class 10??

 

[Energy80s]

Which model card was your class 10??

A cheap Transcend which cost about £7. I have a Class 6 Kingston card that blows it out of the water. I tried my new Sandisk UHS-1 card today but was still getting lock-ups but at much longer shot times. Seems to depend on whether the camera is totally locked-off or not as even slight camera movement seems to prolong the shot before the cam crashes - this is more important than fine detail in the frame or exposure settings. As most of my footage is shot in locked-off mode at various focal lengths it means that I am not happy using this patch as I never know the minute (or second!) that the cam will crash. It's also unfortunate that the crashed files are deleted in cam so you loose the portion of the shot up to the crash as well. If I'm trying to get a 30s shot and the cam crashes at 27s then I loose everything (rather than just the last 3 secs of the shot).

I agree that the bitrate is considerably higher than the "Reliable" patch I have been using, and it constantly hovers around the 35-40Mbps, but constant (or fear of) crashes just won't justify its use for me. But good luck to anyone who can get it to work for them. All the best.

 

[Lpowell]

I agree that the bitrate is considerably higher than the "Reliable" patch I have been using, and it constantly hovers around the 35-40Mbps, but constant (or fear of) crashes just won't justify its use for me.

To clarify any ambiguity, the patch featured in the first post of this thread is the same Reliable In-Camera Playback Patch v2 that is described in the following thread:

Reliable In-Camera Playback Patch - V2 update for all GH1 & GF1

Of the three patches listed in my signature, the Reliable In-Camera Playback Patch has the most extensive history of testing and reliability. It is designed to work with Class 6 and higher SD cards and uses more conservative bitrates than the other patches in order to prioritize reliability over image quality. To avoid potential problems with SD card memory fragmentation, I recommend using the camera to format the SD card before each shooting session.

 

[CColton]

Of the three patches listed in my signature...

FYI it's really helpful that you have all 3 in your signature.

 

[Elspeth]

Hey guys. Having a problem with this patch. On SH mode whenever I pan I get a really artifacted image that looks horrible... I'm using a class 10 card. Anyone know why this is happening?

 

[CColton]

Hey guys. Having a problem with this patch. On SH mode whenever I pan I get a really artifacted image that looks horrible... I'm using a class 10 card. Anyone know why this is happening?

Try reinstalling, that's what an unhacked GH1 looks like.