Hi,
I have a number of .ts files, .m3u8 playlist and a key to decrypt them. The key
is a file, not a hexadecimal string. My goal is to decrypt some of these .ts
files to analyze them individually. I also obviously don't want to modify the
actual video/audio streams in them in any way, just a decryption.
I have no problem decrypting them as an .m3u8 playlist into one big .ts or .mp4
file with a simple command like "ffmpeg -allowed_extensions ALL -i
chunklist.m3u8 -c copy output.ts", I just use URI=key in the playlist and it
works. But I need them to be decrypted into separate files, not one.
I could probably just leave only one line in the playlist and decrypt them one
by one like this but I want to learn how to do it properly.
I tried opening the key file in a hex editor (which is probably a dumb thing to
do) and then using the hex value in a command like "ffmpeg -decryption_key
{hex_value} -i part1.ts part1.ts" but it gives me the "Invalid data found when
processing input" error...
So how to do this properly? The ffmpeg documentation wasn't helpful...
[Here](https://www.mediafire.com/file/twsn7mdew9aa8lx/test.zip/file) are the
files I'm working with in a zip archive. I've included only three of the .ts
files there, that should be enough for a test.
Any help will be greatly appreciated. Thanks!
~ Red Elephant.
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