#Convert mkv to mp4 ubuntu how to#

Default stream selection behavior is to select only one stream per stream type. using a FFmpeg build with AAC decode/encode support. ffmpeg -i input.mkv -codec copy output.mp4 It auto-detects a Matroska to MP4 container conversion based on input/output filenames.-codec copy stream copies, or 're-muxes', the streams from the input to the output without re-encoding.copying the audio data since it's already AAC encoded (use the copy command above).Which means FFmpeg can't convert audio (stream #0.1) to AAC. Or more simply: ffmpeg -i video.flv -codec copy video.mp4 This process will be massively faster than decoding and reencoding everything: ffmpeg -i video.flv -vcodec copy -acodec copy video.mp4 mp4, you can just copy everything to the new. flv are already in the format/codecs you need for the. Stream #0.1: Audio: 0x0000, 22050 Hz, stereo, s16, 64 kb/sД«ecause the audio and video data in the. mp4 file with H.264 video and AAC audio (just like the original. flv file that (already) contains H.264 video and AAC audio.ДЇormatting your console's output as FFmpeg brings out these details. You're trying to convert a (rather rare).

I'm using Ubuntu 9.10 Karmik Koala (for amd64).

#Convert mkv to mp4 ubuntu how to#

Stream #0.1: Audio: 0x0000, 22050 Hz, stereo, s16, 64 kb/s StreamДЄn AAC codec is required but I'm quite newbie with ubuntu and I dont really now how to fix this problem. However when I enter the shell command ffmpeg -i video.flv video.mp4, the returned error is :Дў000.00 (2000/1) -> 29.92 (359/12) Input #0, flv, from 'video.flv': So I tried to convert a video to this format with ffmpeg. If I don't make a mistake, Safari currently need MP4 (H.264/AAC) video encoded for the HTML5 element.