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29 de mar. de 2016 · @s4y youtube-dl will indeed transcode when it needs to (--audio-format option) but you are right here: it should not be the case with that line, because you are forcing youtube-dl to download two files (bestaudio[ext=mp4] and bestvideo[ext=m4a]) that have the same kind of container in common (mp4), so whatever their content, when remuxing it, they will be stacked in another mp4 without any ...
18 de set. de 2015 · So in summary, run. youtube-dl --abort-on-unavailable-fragment [URL to video file] (option --abort-on-unavailable-fragment might be important as you end up interrupting the download with Ctrl + C), let it download for a bit, then press Ctrl + C. Optional: rename the [file].mkv.part file to [file].mkv.
19 de ago. de 2020 · Youtube's MP4 videos are encoded using the H.264/AVC codec. Youtube's WEBM videos are usually encoded using the VP9 codec which is a much more efficient and newer codec which allows to compress video better (which means a smaller file size) while providing a perceptually better image quality.
26 de mai. de 2021 · So, videos I download from YouTube are usually transcoded via ffmpeg (I’m not enough of a an A/V person to know if the video track itself is being converted, or just being muxed into a new container format, but I can say it takes a while) before ending up as MP4.
4 de jul. de 2019 · youtube-dl provides another two separate parameters, --write-info-json and --skip-download. If you just use --write-info-json you'll get the json written but also the video, which is not wanted. If you just use --skip-download you'll get nothing downloaded
9 de out. de 2014 · I found this trick which allows video to be played in an xterm in the O'Reilly articled titled: Watch Videos in ASCII Art. $ xterm -fn 5x7 -geometry 250x80 -e "mplayer -vo aa:driver=curses j.mp4. The above results in a xterm window being opened where the video plays.
4 de ago. de 2023 · If I download a video using youtube-downloader I can watch the part file while downloading (in my case using mpv). Suppose I cannot or don't want to select a format containing both video and audio then the audio in the part file is missing because it is downloaded and merged after the video download is complete.
4 de abr. de 2022 · Or you should overlay the split video (newVideo.mp4) into a background video which should have a black background, 60 seconds duration, and a 9/16 ratio. This is ffmpeg command to do the magic ;) I used a full HD video and I overlaid the video in the center.
A way to keep the separately downloaded audio and video files (which will be received by default since April 2015 and version 2015.04.26) is provided through the -k, --keep-video option, like. youtube-dl -k https://...your_url. However, this will still merge the files in the end leaving you with 3 files. If you want to avoid the merging and ...
Calculate the bitrate you need by dividing your target size (in bits) by the video length (in seconds). For example for a target size of 1 GB (one giga byte, which is 8 giga bits) and 10 000 seconds of video (2 h 46 min 40 s), use a bitrate of 800 000 bit/s (800 kbit/s): ffmpeg -i input.mp4 -b 800k output.mp4.
