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I have a fairly good idea about how to handle the separation of raw/H.264 files to different cards and to listen for the trigger but I can't for the life of me figure out where the H.264 gets turned off and taken over by the RAW recorder.

RECORDING_RAW takes over RECORDING_H264 somewhere, is it recording / recording custom that can't be active at the same time? (edit)

Any pointers appreciated, I'm such a noob.

While looking for how to do this I found a thread where this was discussed previously (2014-01-19) "With this, one can handle easily the case where you want to record both raw and h264, for example." Can't really tell if anything was implemented though

https://bitbucket.org/hudson/magic-lantern/pull-request/336/1100d-fix-recording-macros/diff

It really would be great and you're right the external recorder is not needed if it works... Should have bought the SmallHD dp7 instead for monitoring.

Trying to get going with the dev environment and I have it all set up but it's been 7 years since I did any programming... So it'll take a LONG time if it's left up to me (but hopefully not 7 years). I know how to set stuff up with static CONFIG_INT and menu_entry raw_video_menu[]
as a starting point but then the main idea of forcing the raw to the CF card without touching the h264 going to the SD card will take a while for me to figure out... Hoping for someone more experienced to chime in!

Midphase: I agree, you're right regarding donation. I'm sorry. Couldn't come up with anything better to put this on someones agenda.

Sounds perfect.

I understand the basics of this but setting up the coding environment and learning from scratch would be very hard for me. I'm on a Hackintosh that doesn't run Mavericks. And I'm scared of messing up and breaking the camera. So I'm at your mercy and as I said in the beginning of this post if anyone could get this working I'll make a nice donation to the ML development team!

Thank you for the reply and thank you for the amazing work you're doing.

Not sure I understand you correctly but if there's a way to write the RAW video file to the CF card and the H.264 file to the SD card (and also trigger the Atomos this way) that would be amazing.

That's a feature many people would have turned on anyway even without the Atomos connected as that H.264 file would playback in realtime on set, it would be a backup, it would have the sound in sync and it would be a perfect offline editing file that you'd just reconnect to the DNG files in DaVinci Resolve once you're done editing. This way you wouldn't have to transcode anything else than the shots you're actually using. That would save a lot of time in post.

From what I understand the RAW video began when you piped the raw feed that went to the internal H.264 encoder straight to the CF card. If there's a way to forward it to the H.264 encoder and then that resulting file to the SD card (after it's written the raw/mlv file to the CF card) it would be happy days for all users!

Ok that's too bad thanks for the replies.

Again if there are more users ending up here please post in the thread and maybe we could still get some momentum going!

Not giving up... I have a background in coding and I would try to write the code myself for this specific thing but the notes about possibly breaking the camera while testing turned me off... Maybe I'll buy a 50d to start learning on that, can't really afford to break a 5d mk3.

There are no guns for hire amongst the incredible wonderful intelligent programmers?

Thank you, much appreciated!

Thanks good to hear that others have the same need for this feature. If there are more of us please post here and maybe we could get some momentum going!

I just tried it with the RAW_REC module and it doesn't work. Do you mean there was a build with the newest Canon firmware 1.2.3 that worked with the HDMI Rec Command or was it on the previous firmware?

Hi,

The combination of

1. Mirrored external monitoring
2. Playback on set (without having to remove the card)
3. ProRes backups on an SSD (with the RAW files on the card in the camera)

is very close. This is thanks to the possibility for the Atomos recorders to be triggered to record by a HDMI trigger from the camera called REC COMMAND.

This works fine with the camera set to record h264 video but unfortunately it does not work yet when you're recording RAW.

I will make a nice donation to the ML development team if this was to happen, I have a shoot next week that would benefit greatly from this.

Here's how the normal setup works https://www.youtube.com/watch?v=k62B8T5Na3I

Thanks,
Karl
(Long time RAW shooter, here's a video I shot 2 weeks after the raw hack was first released https://vimeo.com/82213325 )

A short promo about studying in Rome. Shot in May 2013 on the Canon 5d mark 3 RAW when RAW had just been released.

Lenses primarily used: Canon 35mm IS and Canon 70-200 f2.8 mk2. I only had 2 Lexar 1000x, now I use these and 4x Komputerbay cards. Edited on Premiere, ran through Adobe Camera Raw in After Effects first to get better debayer and graded on Davinci Resolve.

I hope you like it, let me know your thoughts!

Thank you this is great!

Unfortunately I can't get the audio out yet as there is no new mlv_dump for mac. I also have the problem that I have to rename any IDX file (to IDX.bak for example) otherwise I get "Missing file header".

I'm new to all this but couldn't you use the second card slot of the camera and write every second frame to that, sort of as a RAID config?