After conversion, you can stream the converted digital video files to media players and video editors conveniently. WonderFox HD Video Converter Factory Pro can be helpful to convert a DAV file to AVI, MP4, MKV, MPG and other formats and serves as a HD video editor as well. But it can hamper you from playing the files on media players or editing them in video editors directly for the compatibility issue. Yet, for better security, DAV files are saved in an encrypted format. These video files are used to save the video and audio recordings of surveillance (CCTV) cameras. What is a DAV File – Further Knowledge on This Video FormatĪctually, DAV file is a common file extension created by DVR365 security camera like DSD304, DSD308 or DSD316 DVR. DAV video is too long, you want to cut them to several pieces for editing or streaming, just clip the video with this. Tips: Some DAV files are short, if you want to watch them in a consecutive file, you can merge multiple short. Quite simple, isn’t it? Now you can play the converted DAV file on other media players and edit them in your video editing program without the compatibility issue. ffprobe 4ĭuration: 00:21:20.16, start: 0.This is the whole DAV file conversion.
138MB re-encoding takes about 40min and the new file size is 41MB the quality is nearly same as original, but pixeled a bit. Where -c:a copy copy audio -c:v vp9 -b:v 100K re-encode video with 100K bitrate.
If you have time, and want to recodec almost same quality, but 1/3 size, use this: ffmpeg -i "input.avi" -c:a copy -c:v vp9 -b:v 100K "4" Best practice is let the audio in the original format. It is fast, and almost same quality as original. Stream #0:1: Audio: mp3 (U / 0x0055), 32000 Hz, stereo, fltp, 112 kb/sįor the nearly loseless re-containering use: ffmpeg -i "input.avi" -c:v copy -c:a copy "input.mp4"Ĭonversion about 2 sec, result is input.mp4 138MB. For example there is a video file 139MB input.avi ffprobe input.aviĭuration: 00:21:20.16, start: 0.000000, bitrate: 891 kb/s