I've used this tool:, to analyze my files in a more intuitive way:ĭo you have any clue on how to add tags without altering DASH segments in any other way? Even if it requires using another tool different from ffmpeg. My problem is that the ffmpeg modifies the file changing other information regarding start, duration, progressive and fragmented flags. What software can make mp4 files with H. I've tried the following command: ffmpeg -y -i /path/to/file.mp4 -movflags use_metadata_tags -metadata customtag='whatEverYouWantToAdd' /path/to/new/file.mp4 Files should be encoded with Fast Start (Web-Optimized/Progressive. I am trying to setup progressive download of an mp4 file from aws. Once I have a proper/correct file, I can use ffmpeg to add tags. I have already implemented a downloader module that can download the files to the. Note: Additional file formats might be supported if you install new codecs in Windows. I am testing the setup using flowplayer + pseudostreaming plugin and their ipad javascript. I have created the mp4 with moov atom at the beginning of the file. Progressive video is stored in our file server, but delivered through Image Server which sets the appropriate headers. I am trying to setup progressive download of an mp4 file from aws cloudfront to support apple mobile devices. So, you dont have to wait for the entire file to download before you can begin viewing the video. Scene7 enables concurrent playback while downloading the file. I'm using ffmpeg to record video from my webcam and store segments named like: init-video0-0.mp4 for the initial and video-0-0-N.mp4 for the following, where N is the segment number (beginning at N=1).įor ffmpeg to 'understand' video files, they must have a playable video file format, for that purpose I concat initial segment with Nth segment: cat init-video-0-mp4 video0-0-N.mp4 > video0-0-N_mod.mp4 The progressive delivery does do pseudo-streaming. If its necessary to continue using progressive video delivery, take the master (source) video and upload that to SPS. Video buffers fully use progressive download Scene7. I'm modifying DASH-formatted segments, and my aim is to add extra information to the video segment using metadata tags. Learn why mp4 files must be fully buffered when played in a video player.
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