Loading big files issue

Hello, I’ve some issues with the Shotcut while trying to load and split some h264 (really huge) file.
I only need last 7 minutes of the video.

File metadata:
Length: 54 hours
Size: 378Gb
Video: MPEG4 Video (H264) 3440x1440 30fps 15325kbps [V: h264 high L5.0, yuv420p, 3440x1440, 15325 kb/s]
Audio: AAC 48000Hz stereo 160kbps [A: SoundHandler (aac lc, 48000 Hz, stereo, 160 kb/s)]

So when I load file and add it to the timeline the Shotcut ate all free memory (~17gb) and went to unending cycles of loading with low cpu usage, it was looking like this:

  1. mouse loading cursor for ~20 sec
  2. return to normal cursor for ~5 seconds (but can’t interact with GUI)
  3. repeat

I tried to left it alone for a hour but nothing changed, any suggestions?

What are your system specs?

Don’t move the whole video to the timeline, just clip the last 7 minute when in the SOURCE viewer. See here for a description of how to do that: Cutting clips from the source to the playlist

You can also export from the SOURCE rather than TIMELINE.

Operating System: Windows 10 Pro 64-bit (10.0, Build 17763) (17763.rs5_release.180914-1434)
Processor: Intel® Core™ i7-8700K CPU @ 3.70GHz (12 CPUs), ~3.7GHz
Video Card: 2x NVIDIA GeForce GTX 1070 SLI
Memory: 32768MB RAM
Available OS Memory: 32692MB RAM
Page File: 41921MB used, 23463MB available

If all you are doing is splitting off the last 7 minutes and you are not doing any editing you can use a simple video splitter like MP4Splitter (https://www.mp4joiner.org/en/), don’t let the name of the website fool you.

Thanx mate, this solution was very helpful: I was able to split the video with using playlist and I & O shortcuts to set the range.

Instead of installing another tool you could open the video in Source, mark in and out, and Properties > Extract Sub-clip.

That’s what the OP did in the end.

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