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mp4concat: improve script

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Daniel Kempkens 2023-11-07 12:35:54 +01:00
parent 69c7cea7aa
commit 3e4d7c198c
Signed by: daniel
SSH key fingerprint: SHA256:Ks/MyhQYcPRQiwMKLAKquWCdCPe3JXlb1WttgnAoSeM
1 changed files with 13 additions and 6 deletions
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19
home/programs/scripts/mp4concat
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@ -1,13 +1,20 @@
#!/bin/sh #!/usr/bin/env bash
set -eu set -eu
tmpfile="_mp4-concat.tmp" tmpext="_mp4-concat.tmp.ts"
printf '' >"$tmpfile" TMP_FILES=()
for f in "$@"; do for f in "$@"; do
echo "file '$f'" >>"$tmpfile" TMP_FILES+=("$f$tmpext")
ffmpeg -i "$f" -c copy -bsf:v h264_mp4toannexb -f mpegts "$f$tmpext"
done done
ffmpeg -f concat -safe 0 -i "$tmpfile" -c copy mp4concat_output.mp4 concat_files=$(printf "|%s" "${TMP_FILES[@]}")
rm -f "$tmpfile" concat_files=${concat_files:1}
ffmpeg -i "concat:$concat_files" -c copy -bsf:a aac_adtstoasc "mp4concat_${RANDOM}.mp4"
for f in "${TMP_FILES[@]}"; do
rm "$f"
done