Video bitrate/quality option for S5 - Feature Requests - CHDK Forum
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Video bitrate/quality option for S5

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Offline thunderstorm

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Video bitrate/quality option for S5
« on: 01 / June / 2008, 23:05:32 »
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In the CHDK manual there are video recording options where you can set the bitrate (up to 6MB/sec as opposed to 2MB/sec on normal), and/or the JPG's frames quality.

There is no such option on the S5's CHDK menu.
Why isn't it there, and will it ever be available?  :(
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Offline SPb

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Re: Video bitrate/quality option for S5
« Reply #1 on: 03 / June / 2008, 09:05:43 »
I have the same problem, S5IS. No Video Parameters option in the main menu. Hence no access to set Video Parameters: mode, bitrate, quality...  Using allbest-s5is-101b-51-408
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Offline wontolla

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Re: Video bitrate/quality option for S5
« Reply #2 on: 03 / June / 2008, 09:34:12 »
I'm affraid CHDK for S5 does not sport those video options. Maybe in the future, if they find the way to do it.
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Offline adcz

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Re: Video bitrate/quality option for S5
« Reply #3 on: 04 / June / 2008, 22:40:09 »
GASPS! Aww :'(

What exactly is causing this limitation? Is there a thread discussing this accept for this one?
I wanna "Notify" it so that I get notified the second it first comes out for S5. REALLY looking forward to this feature!

Quote from: wontolla on 03 / June / 2008, 09:34:12
I'm affraid CHDK for S5 does not sport those video options. Maybe in the future, if they find the way to do it.
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Offline jeff666

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Re: Video bitrate/quality option for S5
« Reply #4 on: 05 / June / 2008, 06:41:00 »
Quote from: wontolla on 03 / June / 2008, 09:34:12
I'm affraid CHDK for S5 does not sport those video options. Maybe in the future, if they find the way to do it.

We know how to do it, wap4 did it for the A720, it's just some (boring) work.

Cheers.
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Offline thunderstorm

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Re: Video bitrate/quality option for S5
« Reply #5 on: 05 / June / 2008, 08:16:48 »
Quote from: jeff666 on 05 / June / 2008, 06:41:00
Quote from: wontolla on 03 / June / 2008, 09:34:12
I'm affraid CHDK for S5 does not sport those video options. Maybe in the future, if they find the way to do it.

We know how to do it, wap4 did it for the A720, it's just some (boring) work.

Cheers.

"boring work"? That's your answer as a developer who likes to write programs? :)
We are not talking about converting the camera into a GPS combined with MP3 player.... :)

This is a very useful feature, unlike many ridiculus features which are being proposed here on this section...
Since the S5 is TRULY a video-camera... (you can zoom while you shoot, AF AE are enabled during the record), and it even has it's on cam-cording button to let you shoot a movie anytime, everywhere, this is a must feature, not much less than the RAW shoot feature...
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Offline jeff666

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Re: Video bitrate/quality option for S5
« Reply #6 on: 05 / June / 2008, 09:02:59 »
Quote from: thunderstorm on 05 / June / 2008, 08:16:48
We are not talking about converting the camera into a GPS combined with MP3 player.... :)

Well, that would be interesting  8)

Quote
This is a very useful feature, unlike many ridiculus features which are being proposed here on this section...

In that case you'll better get it startet. Here's the discussion from the A720.

Basic idea:
1. We duplicate the appropriate function(s) that handle movie recording from the original firmware into CHDK.
2. We modify that code to enable features we want implemented.

The source-file in CHDK is platform/xxx/sub/xxx/movie_rec.c which has a function that is called from platform/xxx/sub/xxx/boot.c. Check the A720-source (platform/a720/sub/100c/movie_rec.c) to get an idea of how it's supposed to look like.

Cheers.
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Offline thunderstorm

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Re: Video bitrate/quality option for S5
« Reply #7 on: 05 / June / 2008, 18:15:16 »
I know only basic C programming in DOS... otherwise i would have done it myself by now.
Maybe i'll expand my C knowledge for that purpose, but it will surely take much time until i reach a level to develop a software for CHDK.
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Offline adcz

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Re: Video bitrate/quality option for S5
« Reply #8 on: 05 / June / 2008, 19:08:47 »
Hehe same here :) (except I am clueless in C entirely). Does anybody know any good tutorials to learn C. CHDK is just one more reason for me to learn it :P I was thinking Java or C...guess I'm learning C this summer :)

Quote from: thunderstorm on 05 / June / 2008, 18:15:16
I know only basic C programming in DOS... otherwise i would have done it myself by now.
Maybe i'll expand my C knowledge for that purpose, but it will surely take much time until i reach a level to develop a software for CHDK.


Quote
Since the S5 is TRULY a video-camera... (you can zoom while you shoot, AF AE are enabled during the record), and it even has it's on cam-cording button to let you shoot a movie anytime, everywhere, this is a must feature, not much less than the RAW shoot feature...
Haha yeah, that's why I love my S5. Speaking of editing features, it would be cool if you could cut stuff out in the middle of the videos  ;). Also...cropping fotos. Would be kool :)

Also another thing...it seems Canon caps a lot of its features (ex: shutter speed). Maybe...the S5 has the capabilities of writing 720p video...you never know :). I am pretty sure my card could handle it (Class 6). If not I can always buy a faster card. If 720p video is unlocked it would be kool tu (I rly gotta stop usin' abbrvs :D)
« Last Edit: 05 / June / 2008, 19:14:19 by adcz »
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Offline Psychokitty

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Re: Video bitrate/quality option for S5
« Reply #9 on: 06 / June / 2008, 06:07:43 »
It works on my TX-1, which takes 1280x720 video@30 fps, allows for zoom & shooting while filming, and here's the kicker...

I don't even use that video bitrate/quality menu!
Ha ha ha ha ha ha haaaaaaa!

Naw, I'm just kidding. I do, but I don't really understand what it's supposed to do, video compared to video. In other words, what's the quality setting for the camera not running chdk? I can raise mine to a point, and then the buffer gets filled too quickly. 96%, I think.
What should I notice about two videos, one without chdk, and one with the quality boosted?

Thanks.
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