Questions tagged [encoding]
The fine art of converting letters into numbers. ASCII, ISO Latin-1, Unicode, EBCDICโฆ There are dozens of currently used encodings and converting between them is now a witch craft.
777 questions
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In UTF-8, why do two-byte codes range from U+0080 to U+07FF instead of U+0080 to U+087F
In UTF-8, two-byte codes are used to encode the code points from U+0080 to U+07FF (2ยนยน - 2โท code points) instead of U+0080 to U+087F (2ยนยน code points). I fail to see why the range of valid two-byte ...
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jxs_encoder.exe from JPEG XS fails with "Unable to allocate encoding context" for lossless 4:2:0 10-bit YUV
I am trying to losslessly compress a raw 4:2:0 10-bit YUV file using the official JPEG XS test model encoder (jxs_encoder.exe), but it fails when lossless mode is enabled.
My Environment
Encoder: JPEG ...
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Email sent from bash script badly encode accented chars
I want to send a mail from a bash script. I'm using the curl command to do that:
#!/bin/bash
curl --url 'smtp://ssl0.ovh.net:587' --ssl-reqd --mail-from '[email protected]' --mail-rcpt 'to@mydns....
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Complex insertion of variable length silence in audio file with ffmpeg?
I have an audio form like this:
Only one file it has about 50 audio parts of duration between 0.9 to 2 seconds, those audio waves separated by silence chunks of duration between 0.6 to 1 second ...
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How to re-encode audio tracks within a multi-language video with FFmpeg?
I have a video with 4 language audio tracks that works nicely within the QuickTime player for 3 of the 4 audio tracks. I think the 4th audio track is encoded differently because the FFmpeg listing ...
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Re-encode a video keeping the GOP structure of the original video
Is there a way to re-encode a video with ffmpeg keeping the GOP structure of the original file?
That is, if a frame is IDR, I, B or P in the input file, keep the same type in the output file, even if ...
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How to figure out terminal keys with telnet MUD?
I started trying out MUD's recently. Via the terminal on Mac, I had no issues. I then tried logging on via my Linux computer, in RXVT-unicode/Bash.
$ echo $TERM
rxvt-unicode-256color
$ telnet aardwolf....
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How to grep on accented vowels? [duplicate]
I have a logfile, written in French, containing the following information:
Nouvelles donnรฉes [Status : 32
I was looking for all possible values of the mentioned status, but I didn't find anything:
...
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Why might Outlook be blocking/affecting the email open rate monitoring from Mailchimp? [closed]
Since December 2024 something is stopping us tracking the email open rate(s) in Outlook. I wonder if someone can give us a clue as to what is actually doing the tracking i.e. url/image.
And what in ...
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Can I make my FFmpeg encoding more efficient without sacrificing quality or file size?
I'm currently recording gameplay footage through OBS in a near-lossless format, which preserves quality nicely, but generates gigabytes of video. For distribution, I want to re-encode my video files ...
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What are Base64 strings?
I have a column in an SQL-Server table, containing information like the following:
Data
...
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AAC Encoder return same pts for different frame with different pts
I wrote a mp4 recorder, i used aac encoder for sound, the problem is I got this error when writing into mp4 file;
"""
[mp4 @ 000001d33e381dc0] Application provided invalid, non ...
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MS Word's Interpretation of RTF Files
I have two 'identical' RTF files generated by the same third-party app in slightly different modes. A curious niggly little bug has emerged that I can't seem to find a reason for. The files both ...
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Why File Size Increases When Converting MP4 to WebM
I'm trying to convert a MP4 file to WebM, using the following parameters:
./ffmpeg -y -hide_banner -nostats \
-i /usr/local/m2/static/lotteon-low-bitrate.mp4 \
-threads auto -f webm -acodec libopus -b:...
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Dynamic resolution video, resolution won't be adjusted correctly after re-encode
I am recoding the live stream; many of them will adjust resolution because of PK.
For example, the resolution is 720x1280 when solo; after starting PK, the resolution becomes 900x720; after PK ends ...
