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Which is your highest resolution/data rate for continuous recording with MLV_RAW?

Sorry for the late response. Well, that would be 1280x582 (aspect ratio 2.20:1)

Make sure to have loaded MLV_REC.MO only.
Select Canon video settings for 1920p 24fps.
Use ML menu to record 1280x720.
Use ML menu to run 24 fps (fps override).

Record and report back.

Just did three tests, still 31-32 avg write speed, max 25 seconds recording.

Here's all my settings:

- Canon menu:

Image quality: RAW
Beep: Enable
Release shutter without card: ON
Image review: 2 sec

Lens aberration correction: Disable
Exposure comp.: 0
Auto lighting optimizer: Off
Custom white balance: no image
WB Shift/Bkt.: 0,0/+-0
Color space: sRGB
Picture style: Neutral (with prolost flat)

AF Method: :-) + Tracking (but I have lens on manual focus)
Movie servo AF: Enable
AF w/shutter button during rec: ON
Grid display: Off
Metering timer: 16 sec.

Movie rec size: 1920x1080 24 fps
Sound recording: Auto (wind filter and attenuator disabled)
Video Snapshot: Disable

Histogram Disp: RGB (but I have canon's gui disabled)
Ctrl over HDMI: Disable

Select folder: 100CANON
File Numbering: Continuous
Auto Rotate: On

Auto power off: 15 min
LCD Brightness: Middle
LCD auto off: Enable
Video System: NTSC

Screen color: 2
Feature guide: Enable
Touch control: Disable
Sensor cleaning: auto cleaning enable
Custom Functions: all in 0
Firmware ver.: 1.4.4


- Magic Lantern menu:

-Expo:
White balance: Auto
ISO: 800
Shutter: 1/50.01,173 degrees
Aperture: 1.8
Picture style: Neutral (with prolost flat)
Expo Lock: Off
Expo Presets: Off
Expo Override: Off
ExpSim: Movie

- Overlay:
Global draw: Off

- Movie (non listed are off)
FPS override: 23.973
   -Desired fps: 24 (from 24)
   -Optimize for: Exact fps
   -Actual fps: 23.973
   -Rolling shutter: 16.5 us/ line
Raw video (MLV): ON, 1280x720  2.18x
   Resolution: 1280x720   2.18x
   Aspect ratio: 16:9
   Global Draw: Off
   Frame skipping: Off
   Preview Options: Hacked No Prev
   Status when recording: Icon
   Files >4GiB (exFAT): On
   Use SRM Job Memory: On
   Extra hacks: Off
   Buffer fill method: 4
   Reserve card space: ON
Movie tweaks:
   Force LiveView: Start & CPUlens

- Shoot: all off

- Focus: all default

- Display: all off except
Advanced settings (not mentioned means its default):
   Screen layout 16:9 HDMI,t/b
   Orientation: Reverse
   Auto Mirroring: dont allow

- Prefs:
Power saving in LiveView:
   Enable power saving: on Standby
   Use LCD sensor: ON

- Modules: only mlv_rec is OK

- Debug:
Free Memory: 127k + 3272K
Image buffers: 720x480, 960x639
Shutter count: 12k = 5044+7019
Internal Temp: 50 C, 122 F, 175 raw
   

Card is formatted with ExFAT file system?

Yes! ExFat 128 kilobit format, and I dont format in camera, so it doesnt go back to fat32

Have you tried turning global draw off? Also, what exactly are your settings? Canon menu at 1080p/24 and resize in the ML menu or are you using 720p/60 and changing frame rate to 24fps in ML?

Yes, I have global draw turned off, and pretty much anything else is the default magic lantern settings. In canon menu I selected the option 1920x1080p/24 fps and I resize it to 1280x720 at the Magic Lantern menu; no fps override. With that I get a write speed of 31.5 average. The other settings you mention (720p/60, override to 24) actually give me very consistent recording, even at 1504x846 16:9 aspect ratio, but the caveat is that it squishes the footage by 1.67x; leaving me with a resolution of 1504x508. I'm affraid the stretch will make me lose quality and add to the already somewhat tedious post processing, and I still avereage at 31.5 write speed.

Hello, I'm having some trouble archieving 1280x720 @24fps MLV RAW 2.0 continous. I have read and seen that it's possible with this camera, however my recording stops at about 27 seconds. My SD card is an original SanDisk Extreme 95 mb/s UHS-3, and I have done some benchmark tests and my write speed is at about 41 mb/s in playback mode, but when recording RAW it drops at about 31-32 mb/s. I can record perfectly in MLV_lite with a write speed of 36.5 mb/s. Is there any reason I can't get MLV 2.0 to work @720 24fps in my cam?