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avg123

How to decompress a x264 video clip

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Posted · Original PosterOP

I have a x264 video clip in mp4 format. I want to cut a small part from it. But I cannot do it because the key frames are too far apart.

How do I change it into a format that does not have key frames, so I can cut it exactly where I want?

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You could try handbraking it to standard h264.

I reccommend HQ preset, with quality slider to 18, and MKV format.


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On top of what has been suggested above by @Firewrath9, maybe Handbrake can cut this part of the video out, if you also convert it?

If you don't know how to do that:

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1. Open Handbrake

2. Load the video into the program (drag and drop or press the button to choose and select

3. Setup the parameters you are looking for

4. Change chapters up top to seconds:

 image.png.45c364d740278dd77bf5f3ee68c4a065.png

 

5. Select the 'from/to' time you desire:

image.png.9949c6be6e2d26a94157b117f13f0171.png

6. Press the start encode button 

 


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7 hours ago, amdorintel said:

what is handbraking?

is it software

yeah, its a transcoder. Converts video from different video formats. It's free too!


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8 hours ago, amdorintel said:

what is handbraking?

is it software

 

3 minutes ago, Firewrath9 said:

yeah, its a transcoder. Converts video from different video formats. It's free too!

It also reduce the file size without losing quality too!

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5 minutes ago, OlympicAssEater said:

It also reduce the file size without losing quality too!

It will lose quality, just not very noticeable (if at all).

I got ~8GB down to 1.5GB for a 2 hour video with the HQ preset, Quality slider at 18, FLAC-AAC.

Problem is that it takes a while to run, especially on laptops.


Hello! Feel free to PM me anything. Here's my stuff below!

PC (Main)

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CPU: i5-8400 CPU Cooler: Cryorig M9 Plus   Motherboard: Gigabyte B360M DS3H | RAM: Crucial Ballistix Sport 2x8 DDR4-2400 SSD: Inland 480GB SSD | Video Card: RX 570 4GB Strix OC | Case: Fractal Design Meshify C White TGPSU: EVGA SuperNOVA G3 750 Monitor: Sceptre 24" 1080p 75hz Webcam: Logitech C920 Keyboard: Modded FC660M | Mouse: G305

 

NAS:

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Synology DS418J w/ 4x WD Red Pro 6TB RAID 10

Seagate 5TB external SMR 2.5" HDD

MS Office 365 - 1TB Onedrive

 

Phone/Tablet:

Spoiler

iPhone XR 64GB iPad Mini 4 128GB

 

Laptops:

Spoiler

Dell XPS 15 9570 i7-8750H + 1050 Ti MacBook Air 13" mid-2012

 

Audio:

Spoiler

 Audio-Technica AD700X + Modmic 4 KZ ZS10 Pro | Audio-Technica LP120USB Audioengine A2+

 

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Just now, Firewrath9 said:

It will lose quality, just not very noticeable (if at all).

I got ~8GB down to 1.5GB for a 2 hour video with the HQ preset, Quality slider at 18, FLAC-AAC.

Problem is that it takes a while to run, especially on laptops.

You must have good eyes because I see no quality loss at all.

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