Questions tagged [encoding]

Encoding is the process of converting data into another format. It may refer to encoding codes of characters (ASCII, UTF, OS, etc...), audio (mp3, wave, m4a, etc...) or video (avi, mp4, mkv, etc...). This tag should be use for any question related to the act of format conversion.

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19 views

Changing webpage encoding in iOS

Some webpages are encoded differently and not well-configured, so they may show up completely jumbled. One example is this page, originally in Japanese: http://immanuel.sakura.ne.jp/hoby/osakaben/...
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Expected behavior of Textedit <Saving files> Encoding preferences

In TextEdit preferences, I keep <Opening files: Automatic>, and change the other setting to <Saving files: Unicode (UTF-16)>. What's the expected behavior of this setting? (Existing files ...
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How do I get ffmpeg to encode using constant quality with h264_videotoolbox hardware acceleration for Macs?

Background info: Apple provides hardware acceleration support for encoding h264 and h265 videos through VideoToolbox. ffmpeg has built-in support for VideoToolbox through the h264_videotoolbox codec. ...
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How do I stop OSX from deprioritizing a background app (possibly GPU related)?

OSX seems to have an auto-deprioritization feature that I want to turn off. I'm encoding some videos and while the encoding window is in the foreground the process is using 150% CPU and 75% GPU ...
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Numbers removes Byte-Order-Mask (BOM) from UTF-8 files when exported as CSV. How to fix?

I am dealing with a requirement where CSV should be UTF-8 encoded, in order to detect this in my java application I am relying on Byte Order Masks which is working perfectly fine but we found out that ...
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Wrong encoding for downloaded files

I try download files from my university site. All I can found it Safari -> View -> Encoding, but it doesn't affect to downloaded files. For example file with cyryllic name: "Задания для групп 80-104Б ...
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How to convert .wav to .mp3 and maintain iTunes presence?

I have a bunch of .wav files (from synced CDs) that I would like to convert to .mp3 files in order to save space. I found this link which works to batch convert .wav to .mp3, but unfortunately iTunes ...
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25 views

The best way to combine two m4v files on Catalina [duplicate]

I've seen Best way to merge mp4 files and I've seen similar articles such as https://www.adeepbite.com/combine-videos-mac-using-quicktime-player/ I have a computer with OSX Catalina. I've got some 3+...
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All DVD files converted to m4v or mp4 run on MacOS 10.15.2 some run but some won't load to an iPad 2 IOS 9.3.5

A friend and I have a movie night at a restaurant every week. I decided to bring my iPad 2 with a movie ripped from one of my DVDs instead of my MacBook Pro, DVD player and DVD. Below is the metadata ...
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Wrong line-drawing characters when write “tree” command output to file

Under macOS Catalina 10.15.1, Using the standard "tree" command (as supplied by MacPorts), if at the Terminal prompt I cd to a folder and then execute tree there, I get output like this: . ├── ...
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Files display only ^@^@^@^@

I have some files I was hoping to open and look at. I usually open files of the same extension them on a server in a UNIX environment. These files as far as I can tell have been plain text but ...
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34 views

How to put file into clipboard without losing control characters?

I have a .txt file originated from Windows, so its line endings are \r\n. Running cat or echo on that file makes those control characters go away. How can I display the file (even in raw bytes if ...
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Emojis not rendering

My genuine MacOS is not showing emojis. They look just like this: None of the following solutions worked for me: Creating a new user account Restoring Standard Fonts in Font Book Booting in Safe ...
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497 views

Good starting options for FFmpeg with hevc_videotoolbox?

I am using the latest FFmpeg from MacPorts, and I have a new MacbookPro running macOS Mojave. I was wondering what are good options to start with to use the hevc_videotoolbox encoder? I did a quick ...
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1answer
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How to listen to iMac G3 audio files with no extension on a recent device?

I have several files from my ancient iMac G3 that have no file extensions. They were from a text program that also recorded voice, and read text. It came with the computer, but that was 2 computers ...
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139 views

Japanese characters not displaying correctly in text editors (Text Edit, Sublime, etc.)

When I try to open a file (say, a CSV) in text editors like TextEdit and Sublime Text, I only get gibberish. If I open the CSV in Numbers it's displayed properly, so I'm at a loss as to what exactly ...
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Cannot export videos from QuickTimePlayer

I'm shooting short videos with my mirrorless camera (a Sony a7-3) and sharing it with my friends. The videos I shoot are 1080p50. Formerly I was converting the videos to 720p with QuickTime player by ...
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158 views

How to convert non-utf8 encoding to utf-8 encoding during unzip?

I have the same problem which described here. The only difference is I need to do this in MacOS. Basically, all files are encoded in non-utf8 and zipped on Windows. When I unzip it on MacOS, they ...
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169 views

Can I copy a URL from Safari address bar as percent-encoded string?

What Safari currently does is quite annoying, it copies the URLs as-is, for example: https://zh.wikipedia.org/zh-cn/中國 While I understand why Safari does it (for human readability), many ...
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1answer
613 views

iTunes (Music.app) not converting song entirely / skip to the next one when playing

When using iTunes for AAC conversion, sometime only a part of the song is converted (also, when playing the song, iTunes does not plays it entirely and skip to the next one before the end). But when ...
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Trying to open a .avi; nothing can recognise it

I am trying to watch an .avi, and for some reason nothing can open it. I've tried using DivX Player, QuickTime Player, VLC, AirParrot 2, Kodi 18.0.rc5, IINA, Elmedia player, and (converting it in) ...
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15 views

Audio level in video different between Mac players and other players

I ripped a dvd of a family event using HandBrake, and increased the gain setting to maximum since the audio on the dvd was extremely quiet. Now when I play the resulting m4v on iTunes, Quicktime, or ...
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1answer
409 views

iMovie will not recognise my 60fps video?

I've read many posts about this and I have pretty much tried everything and iMovie 10.1.11 (all updated) will not recognise my 60fps video. I've tried everything I can think of: Deleted, moved clips,...
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107 views

What is the best/fastest way to rip and convert a Blu-ray Disc on an iMac?

I've recently switched (back) from Windows 10 to macOS running on an iMac 27-inch Retina late 2015. While I still used my Windows 10 laptop, I used a program called DVDFab to rip my collection of Blu-...
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122 views

About converting to UFT8 from a “Simplified Chinese” file having a “garbled” file name

I use Mac with English MacOS interface. I download a file from Chinese website(Simplified Chinese). It is garbled file name. The garbled file name: %E6%B9%96%E5%8D%97IPTV.apk The real file name: ...
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1answer
408 views

In AppleScript, how to open a URL location that contains a hash (#)?

I have a workflow written in Alfred that when opening a URL location in AppleScript, the URL will be urlencoded() which effectively breaks: open location "https://example.com/#hello" & ...
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238 views

Has anyone tried using FFMPEG for converting Slow Motion video captured on an iPhone to something usable on PC?

I was searching for how to move Slow Motion video from my iPhone 7 to my Windows PC. All the answers were coming up using iMovie and other Apple software. As I was not moving the video to a Mac this ...
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114 views

Can’t use convmv in right way?

I’m trying to convert name encoding of some path tree with files using convmv utility. Folders look something like this: Some names are typed with transliteration. This files is okay, and I ...
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1answer
1k views

How do I install FFserver on macOS?

I'd like to try FFserver. I've installed FFmpeg (4.0.2) with Homebrew. I've got ffmpeg, ffplay and ffprobe in my path, but no ffserver. In fact no files on my entire hard drive relate to ffserver. ...
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1answer
359 views

Mac Excel won't recognize Spanish/Portuguese accents (UTF8 or ANSI)

I'm working with Excel to open a delimited (tabbed) txt file that contains Portuguese and Spanish accents. As you can see below, in the third row there is a title "Último Año" that is correct. ...
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1answer
225 views

Opening .doc from Mac Classic on a modern computer

I have an old Macintosh Classic running Mac OS 7.0.3. It has Word 5 installed on it and contains a some .doc files created within it. The documents are in Czech language and contain letters like ěšč ...
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1answer
905 views

What will happen if I export a 720p video in Photos to 1080p?

I'm considering exporting all the videos currently stored in my Apple Photos library. These are made up of a mix of different video "qualities," including 1080p and 720p. When I choose the File > ...
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1answer
224 views

8-16 RAM update worth it?

I'm using Gopro Fusion Studio to render 5.2k content before editing with Adobe Premiere. I never had problems rendering 4k but 5.2k makes the app crash. My Mac: MacOS Version: 10.13.5 Model: MacBook ...
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1answer
202 views

I found but can't open eclipse.ini (bad parsing)

I know the trick with "show package contents" and I've gone to: $ECLIPSE_HOME/Eclipse.app/Contents/MacOS However, the file in there is 'eclipse', rather than 'eclipse.ini' Furthermore, when I open ...
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3k views

How to capture the H.264 stream of a Logitech c920 camera

I am using a Logitech c920 HD Pro Webcam with my Macbook Pro 17" (early 2011) and Mac OS Mavericks 10.9.5 I am able to record videos with Quicktime 10.3 where I have two options for "quality" with ...
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1answer
785 views

Create a text encoding conversion service in Automator

I was trying to make a Finder service to easily convert text encoding of some files. Because the default charset for Simplified Chinese in Windows is the Chinese national standard GB18030 (not the UTF-...
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1answer
3k views

High Sierra quicktime player does not support H.265 videos?

So I upgraded my Mac to high Sierra and I was about the H.265 video encoding standard but when I encode a H.264 video to H.265 standard and then when I attempt to open the video using quick time ...
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583 views

Does Handbrake on the Mac take advantage of OpenCL on a video card?

I recently upgraded my GPU to one that supports double precision floating point math and apparently is compliant with OpenCL 1.2. While I presume that most applications won't see any difference, I am ...
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14k views

Why does a video file get bigger after editing it with iMovie?

Input File: Kind: MPEG-4 File Size: 305 MB Dimensions: 640 x 360 Codecs: H.264, AAC Duration: 52:07 Audio Channels: 2 After using iMovie to trim a bit from the beginning and end of the file, I tried ...
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757 views

Encoding issue in Apple Mail

A coworker has Apple in a mostly Windows environment, she sometimes receives email that has Icelandic letters in the subject and sometimes (not always) they get decoded wrongly. I have tried to fiddle ...
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1answer
123 views

Excel, Chinese mojibake error

On Mac, the Excel show mojibake However with Numbers it can show the right content. How can I set Excel to show Chinese characters? My system language is English.
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97 views

UTF-8 glyphs are too small

I have been setting up my new terminal on both of my MacBooks Pro and I noticed that UTF-8 glyphs are way smaller on one of them. This holds true in every application and I can't find the setting that ...
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1answer
140 views

Can't open .html file with UTF-8

how could I change the file encoding using OS X? If I open a file on Windows Notepad I see all the symbols and everything is fine. If I open it using TextEdit or TextWrangler I see only question marks ...
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5k views

How to compress iPhone QuickTime screen recording's file size?

I've recorded my iPhone screen through QuickTime on my MacBook and made several recordings already. Unfortunately, the resulting files are too large. They get saved in .MOV format, and 10 mins takes ...
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9k views

Excel: how to change Default file option to UTF-8 away from Macintosh file option?

When I double-click and open a csv file in Excel, the OSX Excel always opens it in Macintosh format destroying the visualisation of UTF-8 files with malformatted umlaut characters such as ö and ä. I ...
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1answer
98 views

Mail encoding issue

I have a problem with Mail. My name is Oğuz and there is a Turkish character in my name. I set up a 'live' email address in Mail. When I send an email from a web browser my name appears as "Oğuz", but ...
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1answer
421 views

8k video on an iMac?

I'm attempting to view 8k footage on my iMac however quicktime refuses to open it. Footage is in H.264 AAC format at resolution 7680 × 4320, and when opened in quicktime results in audio but not ...
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20 views

Extract audio from a folder of mp4 videos [duplicate]

Any good apps/tools for OSX that will convert an entire folder of mp4 videos into audio files?
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1answer
59 views

iPhone Videos app only offer a single subtitle track

I rip my Blu-Rays and DVDs, convert to M4V with Handbrake, and create SRT subtitles through OCR, which I then mux into the M4V with Subler (which translates them to "Text 3GPP"). If I ever place more ...
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2answers
3k views

Can't open mov files in QuickTime, but can do it in VLC

After reinstalling the operating system (OS X EL Capitan) I can't open video files in .mov format. I can open them using VLC but I can't open them in QuickTime and Adobe Premiere - what could be wrong?...