EliasSchriefer/ffmpeg-mka-thumbnailer
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Fix PNG thumbnail streams not being found

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Elias Schriefer 2024-04-17 15:50:13 +02:00
parent 8d0f18ca60
commit 65fb9f5432
1 changed files with 17 additions and 4 deletions
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21
ffmpeg-mka-thumbnailer
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@ -64,14 +64,23 @@ if [[ ! (-d "$dir" && -w "$dir") ]] {
exit 1 exit 1
} }
attachment_streams="$(ffprobe -of json -v error -select_streams t -show_streams "$input" | jq -c)" function ffmpeg_with_args() {
ffprobe -of json -v error -select_streams $1:m:filename -show_streams "$input"
}
JQ_SELECTOR='[.streams, inputs.streams] as $inputs | {streams: ($inputs[0] - $inputs[1] + $inputs[2])}'
attachment_streams="$(jq -c "$JQ_SELECTOR" <<(ffmpeg_with_args v) <<(ffmpeg_with_args V) <<(ffmpeg_with_args t))"
if [[ "$(echo -n "$attachment_streams" | jq ".streams | length")" -lt 1 ]] { if [[ "$(echo -n "$attachment_streams" | jq ".streams | length")" -lt 1 ]] {
echo "Input does not have any attachment streams" >&2 echo "Input does not have any suitable attachment streams" >&2
exit 1 exit 1
} }
attachment_filename="$(echo -n "$attachment_streams" | jq -r '[.streams[] | select((.tags.filename | (startswith("cover") or startswith("small_cover"))) and (.tags.mimetype | startswith("image/")))] | sort_by(.index) | first | .tags.filename | strings')" JQ_SELECTOR='[.streams[] | select((.tags.filename | (startswith("cover") or startswith("small_cover"))) and (.tags.mimetype | startswith("image/")))] | sort_by(.index) | first | .tags.filename | strings'
attachment_filename="$(echo -n "$attachment_streams" | jq -r "$JQ_SELECTOR")"
JQ_SELECTOR="[.streams[] | select(.tags.filename == \"$attachment_filename\")] | first | .codec_type"
attachment_codec_type="$(echo -n "$attachment_streams" | jq -r "$JQ_SELECTOR")"
if [[ "$attachment_filename" = "" ]] { if [[ "$attachment_filename" = "" ]] {
echo "No suitable attachment found" >&2 echo "No suitable attachment found" >&2
@ -90,7 +99,11 @@ if [[ $tmpdir_success -ne 0 ]] {
return_code=0 return_code=0
repeat 1 { repeat 1 {
ffmpeg -v error -dump_attachment:t "$attachment_filename" -f matroska -i "$input" -t 0 -f null null || { return_code=$?; break } if [[ "$attachment_codec_type" = "video" ]] {
ffmpeg -v error -f matroska -i "$input" -map m:filename:"$attachment_filename" -c copy "$attachment_filename" || { return_code=$?; break }
} else {
ffmpeg -v error -dump_attachment:t "$attachment_filename" -f matroska -i "$input" -t 0 -f null null || { return_code=$?; break }
}
if [[ "${attachment_filename##*.}" = "${output##*.}" || ("${attachment_filename##*.}" =~ ^jpe?g$ && "${output##*.}" =~ ^jpe?g$) ]] { if [[ "${attachment_filename##*.}" = "${output##*.}" || ("${attachment_filename##*.}" =~ ^jpe?g$ && "${output##*.}" =~ ^jpe?g$) ]] {
mv "$attachment_filename" "$output" mv "$attachment_filename" "$output"
} else { } else {