![]() ![]() What's more, H.264 codec is efficient to reduce the size of HD videos while maintaining the best quality.Īt the very beginning, we should make it clear that MP4 and H.264 are different. ![]() When you can't import an MP4 file to Premiere Pro, open it with the default player, or upload it to social media platforms, it's always considered prior to its codec (which is legacy or newly-developed). AAC, MP3) if you want the file to be playable with something else than VLC.H.264 (aka MPEG-4 AVC) is a predominant codec used in storing, editing, streaming, and broadcasting videos. MP4 doesn't officially support AC3 audio so the audio track should be converted into a supported format (eg. Now you have remuxed streams from matroska container into mp4 container without losing any quality. Depending on usage AC3 audio track should be re-encoded into something else before muxing. I had to add -fps 24 option because MP4Box didn't detect video fps correctly. Saving to video.mp4: 0.500 secs Interleaving MP4Box -fps 24 -add video.h264 -add audio.ac3 video.mp4 AVC-H264 import - frame size 1280 x 720 at 24.000 FPS ![]() Container format: AVC/h.264 elementary streamĮxtracting track 2 with the CodecID 'A_AC3' to the file 'audio.ac3'. Mkvextract tracks video.mkv 1:video.h264 2:audio.ac3 Extracting track 1 with the CodecID 'V_MPEG4/ISO/AVC' to the file 'video.h264'. Then extract video and audio according to their tracks with: Mkvmerge -identify video.mkv File 'video.mkv': container: Matroska Get needed software sudo apt-get install gpac mkvtoolnixĮxtract video and audio from matroska fileįirst you need to check what tracks the matroska file contains with ![]()
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