You can use exiftool, with something similar to this:
exiftool -p -CreateDate="%Y:%m:%d %H:%M:%S" file.mp4
Here's a little Python3 script I wrote about a year ago to do it with
all the relevant MP4 tags: http://pastebin.com/HTQZMqKX
Cheers,
Thomas
Le 24/02/2013 10:36, Thomas Novin a écrit :
Hello
I'm converting some old recordings from a DVR we had from .MTS to
.MP4.
After this, I will import them to shotwell. But I can't get shotwell
to
automatically detect the date.
How can this be done? The old .MTS-filename includes the date. But I
can't
find any way to write it with avconv. Neither can shotwell use the
file
dates, right?
Tried writing date as metadata with avconv but it doesn't
help/doesn't work.
for i in `find . -iname *.mts`; do
FN=`echo $i | awk -F\. '{print $2}'`
DATE=`echo $FN | awk -F'/' '{print $2}' | sed 's/\///'`
/usr/bin/avconv -y -i "$i" -crf 25.0 -vcodec libx264 -acodec
libvo_aacenc
-ar 48000 -ab 160k -coder 1 -flags +loop -cmp +chroma -partitions
+parti4x4+partp8x8+partb8x8 -me_method hex -subq 6 -me_range 16 -g
250
-keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -b_strategy 1 -qcomp
0.6
-qmin 0 -qmax 69 -qdiff 4 -bf 3 -refs 8 -directpred 3 -trellis 2
-flags2
+bpyramid+mixed_refs+wpred+dct8x8+fastpskip -wpredp 2 -rc_lookahead
60
-threads 0 -metadata date=2012-"$DATE" ."$FN".mp4
Suggestions are welcome..
Rgds//Thomas
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Thomas/Schnouki
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