extract images from m2ts

gistfile1.txt

----------------- extract.cmd -----------------

setlocal

set TMPDIR=%CD%\temp\%~n1
set OUTDIR=%CD%\output\%~n1
md %TMPDIR%
tsmuxer "%~f1" | parse_track.py "V_MPEG4/ISO/AVC, %~f1, fps=23.976, insertSEI, contSPS, track={}"> "%TMPDIR%\file.meta"
tsmuxer "%TMPDIR%\file.meta"  "%TMPDIR%"
set VIDEO=
for %%f in ("%TMPDIR%\*.264") do set VIDEO=%%f
if "%VIDEO%"=="" (
	echo Can't extract video from %~f1
	GOTO :EOF
)
mkvmerge -o “%TMPDIR%\video.mkv” -d 0 "%VIDEO%"
md "%OUTDIR%"
echo FFVideoSource("%TMPDIR%\video.mkv").ConvertToRGB("Rec709").ImageWriter("%OUTDIR%\", type="png") > "%TMPDIR%\script.avs"
avs2avi "%TMPDIR%\script.avs" -o n -c null
endlocal

---------------------------- parse_track.py -----------------------------------

import sys, re

print(sys.argv[1].format(re.search(r"^Track ID:\s+(\d+)\s*$", sys.stdin.read(), re.M).group(1)))

---------------------------- Usage ---------------------------------------------

for %x in (raw\*.m2ts) do extract.cmd %x