Finally found an amazing video crop app

[videoAI]

After a long search, I finally found an amazing video crop app.
https://crop.mov

Features:
========
✔️ Free & Open Source
✔️ No software install
✔️ Cross platform / OS support
✔️ Works on any device [even Raspberry Pi]
✔️ Works in any browser
✔️ Simple UI with video preview
✔️ No watermarks
✔️ Privacy: your videos stay on your computer
✔️ Crop [free or preset], Trim, Flip [V/H], Mute Audio
✔️ Displays WxH Pixels during crop
✔️ Displays Frames during Trim
✔️ Uses FFmpeg Web Assembly

Credit: https://github.com/mat-sz/crop

[videoAI]

Coming soon to my thread .. videoAI Crop


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[dellsam34]

Depends on how much degradation puts on the output file after rendering.

[videoAI]

I am planning to release 6 micro apps in 2026.

Stay tuned to this thread ..


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[videoAI]

'videoAI Metadata Editor' layout change ..

New:


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Old:


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[videoAI]

ffprobe false positive
my post

[videoAI]

Win11 Latest Update Includes A Free File Explorer Bug For Dark Mode
win-11-latest-update-includes-a-free-file-explorer-bug-for-dark-mode

If you're fed up with being an unpaid QA tester for Microsoft, I suggest giving Explorer++ a try.

[videoAI]

Probe Score Explained

The probe_score is a numerical value (ranging from 0 to 100) that indicates FFprobe's confidence in identifying the actual file type of a media file.

Key Characteristics
- Maximum Score: 100 - This means FFprobe is 100% confident the file extension matches the actual file type
- Low Score: Indicates potential file type mismatch
- Used during file type detection process

How It Works
1. FFprobe reads the first few seconds of a file
2. It attempts to detect the actual file type
3. Assigns a confidence score based on its analysis

Practical Implications
- High Probe Score (near 100): The file extension likely matches the true file type
- Low Probe Score (below 50): The file might have a misleading extension or be incorrectly encoded

Example Scenarios
- A file named "video.mp3" might actually be an AAC file
- The probe_score helps identify such discrepancies
- If the score is low, you might want to:
- Verify the file's true format
- Use extended probing to get more information

"format": {
"filename": "C:\\T\\Test\\B$_1.eng.aac",
"nb_streams": 1,
"nb_programs": 0,
"nb_stream_groups": 0,
"format_name": "aac",
"format_long_name": "raw ADTS AAC (Advanced Audio Coding)",
"duration": "293.218506",
"size": "5911505",
"bit_rate": "161286",
"probe_score": 51
}

[videoAI]

Rob Braxman on antivirus .. and why you don't need one,
a very interesting video ..
Why an Antivirus Does Nothing for You

[dellsam34]

I've been Anti-virus free for over 10 years.

[videoAI]

Repost of an earlier post ..
VMerge

[videoAI]

I would like some good ideas related to potential functionality I can add
to my Metadata Editor.

I have 3 unused buttons as shown below ..

Current existing features:

1- Display Metadata for each file in a folder at lightning speed:
[Title, comments, streams count & types, duration, bit rate, FPS, resolution, DAR, encoded by]

2- Edit Metadata [Title, comments, encoded by (system)], fill the title tag with the file name in one click.

3- Extract, before or after Metadata to JSON file

4- Save Input media file with edited Metadata to output media file

5- Support any input, video, audio, subtitle, image, text, attachment, etc [still experimental]

6- Display executed ffmpeg command

7- Remove problematic binary/data streams [ex: tmcd]

8- Change output file name, suffix, folder, or full path

9- Move selected file to your Desktop [for further processing]

10- Delete selected file [with confirmation]

11- Drag n Drop files or folders

12- Basically, a more accurate Media Info replacement

13- Display thumbnails of selected media files [Images, jpg/jpeg, gif, png, bmp, Videos, mp4, mkv, mov, avi, etc]

And more ... any ideas, or feedback, will be appreciated .. thanks in advance.


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[videoAI]

ffprobe detects embedded images when they’re stored as attachment or attached_pic streams,
and ffmpeg can extract those.

If images are in MP4 'covr' atoms only, ffmpeg can't expose them; re-mux or use MP4-specific tools.

Detect attachments (JSON):

ffprobe -v error -print_format json -show_format -show_streams "input.mp4"

Quick inspect:

ffprobe -v error -print_format json -show_streams "input.mp4" | Out-String

Look for "codec_type":"video" with "disposition": {"attached_pic":1}
or "codec_name":"mjpeg"/"png"

Extract attached picture (replace stream index 0:t:0 as needed):

ffmpeg -i "input.mp4" -map 0:t:0 -c copy "cover.jpg"

If there's a video stream with attached_pic disposition:

ffmpeg -i "input.mp4" -map 0:v:0 -c copy "frame.jpg"

If only covr atom (no attachment stream); re-mux or use external tools.

Re-mux to MKV then re-check:

ffmpeg -i "input.mp4" -map 0 -c copy "tmp.mkv"
ffprobe -v error -print_format json -show_streams "tmp.mkv"

Or use mp4box / Atomic Parsley to extract 'covr' atoms.

[videoAI]

Thumbnail Generation in Windows 11 Explorer

Windows 11 uses an automated process to choose a preview frame that best
represents the video's content, with minimal user control over frame selection.

Mechanics
- Automatic frame extraction near the beginning or middle of a video
- Selects a visually representative frame
- Depends on:

1. Installed codecs
2. File format
3. System media settings

Limitations
- Not all video formats generate thumbnails equally
- Thumbnail creation varies by:

1. Codec compatibility
2. File type support
3. Installed media software

Troubleshooting
- Check Folder Options settings
- Clear thumbnail cache
- Verify codec installations
- Ensure appropriate file format support

[videoAI]

Coming soon to my thread .. videoAI Player


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[videoAI]

Added video thumbnails, in addition to image thumbnails, to Metadata Editor


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