ffmpeg -i input_file -map 0 -f streamhash -hash md5 - -v quiet
- The outcome is very similar to that of "-f hash", except you get one hash +
The outcome is very similar to that of "-f hash", except you get one hash per-stream, instead of one (summary) hash. Another benefit is that you don't have to know which streams, or how many to expect in the source - file. This is very handy for hashing mixed born-digital material. -
-- This script will perform a fixity check on all audio and video streams in + file. This is very handy for hashing mixed born-digital material.
+This script will perform a fixity check on all audio and video streams in the file and return one hashcode for each one. This is useful for e.g. be able to change to container/codec format later on and validate it - matches the original source. -
-- The output is formatted for easily processing it further in any kind of - programming/scripting language. -
+ matches the original source. +The output is formatted for easily processing it further in any kind of + programming/scripting language.
- is just a place holder. No file is actually created. Choose an output filename to write the hashcode lines into a textfile.- The output looks like this, for example (1 video, 2 audio streams): +
The output looks like this, for example (1 video, 2 audio streams):
0,v,MD5=89bed8031048d985b48550b6b4cb171c
0,a,MD5=36daadb543b63610f63f9dcff11680fb
1,a,MD5=f21269116a847f887710cfc67ecc3e6e
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+