mediathek-download script
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* =mediathek-download=
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=mediathek-download= is a simple [[https://fishshell.com][fish]] script for downloading videos form the
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mediatheks from ZDF, ARD and similar one who split and devliver the video in
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segments. Additional to download the video, it combines it to one file and
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converts it to mp4. Currently it only handles /.ts/ files.
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** Preparation
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The following software is required to run this script:
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- [[https://fishshell.com][fish]]
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- [[https://curl.haxx.se/][curl]]
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- [[https://ffmpeg.org/][ffmpeg]]
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It may be convenient to make the script executable with =chmod +x mediathek-download.fish=.
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** Executing
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It is assumed, that the script is executable as shown before. If it isn't
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prepend the executions with =fish=.
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#+BEGIN_SRC sh
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./mediathek-download.fish <number of sequences> <URL before segment number> [URL after segment number]
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#+END_SRC
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The first to arguments are required, while the last one is optional. The
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number of sequences and the URL can be extracted from the developer tools of
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your browser. Read the next chapter for more information.
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** Extracting necessary informations
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*** Firefox
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1. Visit the site with the video.
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2. Open the Developer Tools: /Menu > Web Developer > Network/.
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3. Make sure only /Media/ and /Other/ are selected in the filter bar (second
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bar from top in the Developer Tools window).
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4. It may be necessary to select a specific video quality in the player,
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especially if it is set to automatic.
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5. Start the video or, if it autostarted, reload the page.
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6. Make sure you see some requests containing a /.ts/ file extension
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7. Jump nearly to the end of the video
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8. A pattern showing the segment numbers should be visible. Remember the
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last (and probably highest number), it should be the /number of
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sequences/.
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9. Click on the last list entry once the video finished.
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10. Select and copy the complete /Request URL/
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11. Split the copied string into the part before and (is existent) the part
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after the segment number.
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12. Run the script with the now known parameters.
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*** Google Chrome
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1. Visit the site with the video.
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2. Open the Developer Tools: /Menu > More Tools > Developer Tools/.
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3. Select /Network/ in the Developer Tools window
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4. Make sure only /XHR/ is selected in the filter bar (third bar from top
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in the Developer Tools window). If nothing is found there after the
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following stepts, try /All/.
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5. It may be necessary to select a specific video quality in the player,
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especially if it is set to automatic.
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6. Start the video or, if it autostarted, reload the page.
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7. Make sure you see some requests containing a /.ts/ file extension
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8. Jump nearly to the end of the video
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9. A pattern showing the segment numbers should be visible. Remember the
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last (and probably highest number), it should be the /number of
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sequences/.
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10. Click on the last list entry once the video finished.
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11. Select and copy the complete /Request URL/ in the /Headers/ tab.
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12. Split the copied string into the part before and (is existent) the part
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after the segment number.
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13. Run the script with the now known parameters.
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#!/usr/bin/fish
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# Download splitted videos and combine them.
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# Created for .ts segments, output is a mp4 file.
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# Limited to videos with less than 9999 segments (which should be enought).
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#
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# 2018 (c) Marcel Kapfer
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# MIT License
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#
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# Run with:
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# ./video.fish <number of sequences> <URL before segment number> [URL after segment number]
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#
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# Requirements:
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# - fish (https://fishshell.com)
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# - curl (https://curl.haxx.se/)
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# - ffmpeg (https://ffmpeg.org/)
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set parts_file "./parts.list"
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set in_ext ".ts"
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set out_ext ".mp4"
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set combined_file "./combined"$in_ext
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set output_file "./out"$out_ext
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function _cleanup
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if test -f $parts_file
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rm $parts_file
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end
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if test -f $output_file
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rm *$in_ext
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end
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end
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trap _cleanup SIGINT
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if test (count $argv) -gt 3
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echo "To much arguments given. Aborting."
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exit 1
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end
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if test (count $argv) -lt 2
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echo "No sequence number or URL given. Aborting."
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exit 1
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end
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set num_seq $argv[1]
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set url_1 $argv[2]
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if test (count $argv) -eq 3
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set url_2 $argv[3]
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else
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set -l url_2 ""
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end
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for segment in (seq $num_seq)
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# padding for the filename
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if test $segment -lt 10
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set file_num "000"$segment
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else if test $segment -lt 100
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set file_num "00"$segment
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else if test $segment -lt 1000
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set file_num "0"$segment
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else
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set file_num $segment
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end
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# download the segments using curl
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curl \
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--output $file_num$in_ext \
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$url_1$segment$url_2
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# add segment file to file list
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echo "file './"$file_num$in_ext"'" >> $parts_file
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end
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## combine the files
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ffmpeg -f concat -safe 0 -i $parts_file -c copy $combined_file
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## convert
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ffmpeg -i $combined_file -acodec copy -vcodec copy $output_file
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_cleanup
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