QuickTime Player 7 starts to support H.264 and newer versions in macOS High Sierra support HEVC/H.265. If you are using old versions of QuickTime, MP4 videos compressed with recent codecs will not be supported. The QuickTime Player stays in an old version. Before we dive into the solution, let's figure out what exactly causes the playback failure in your case. QuickTime Player can't play MP4 files for many reasons. To help users watch MP4 movies on Mac in QuickTime Player without errors, we are going to figure out why QuickTime can't play MP4 and how to fix it effectively. And what exactly makes Mac users upset is that sometimes QuickTime Player can't open MP4, the most commonly-used video format. However, it still can play only a handful of audio and video formats. With consistent updates over a decade, it has more playback controls and even is compacted with editing and screen recording utilities. dv is (-crf 22 had too many artifacts in low light footage so -crf 18-20 is my next test maybe with -preset slow):įor i in *.dv do ffmpeg -i "$i" -vf bwdif=1,scale=788:576,crop=768:576:10:0,setsar=sar=1/1 -c:v libx265 -crf 18 -preset medium -tag:v hvc1 -c:a aac -b:a 128k "$_converted.QuickTime is the default media player in macOS.
The quality is OK but does not differ much from the old MPEG Streamclip version with simple 25fps deinterlace with similar filesize H.264. dv files as "bob" deinterlaced double-fps (50 fps from PAL) HEVC H.265. Sadly MPEG Streamclip 1.9.3b8 is the last version and to get rid of the most GUI artifacts, in macOS 10.14.6 Finder > Get Info: Open in low Resolution.īTW, during the last few days I have experimented with ffmpeg to re-encode my old archived.
If there are lots of similar files, you can use the batch option. > Apple TV 4:3 (SD) as a base and then tweaked it, if necessary. If you are still using Mojave or older macOS you can convert the old movies to.
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