mirror of https://github.com/mpv-player/mpv
165 lines
4.6 KiB
Bash
Executable File
165 lines
4.6 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# file identification script
|
|
#
|
|
# manual usage:
|
|
# mpv_identify.sh foo.mkv
|
|
#
|
|
# sh/dash/ksh/bash usage:
|
|
# . mpv_identify.sh FOO_ foo.mkv
|
|
# will fill properties into variables like FOO_length
|
|
#
|
|
# zsh usage:
|
|
# mpv_identify() { emulate -L sh; . mpv_identify.sh "$@"; }
|
|
# mpv_identify FOO_ foo.mkv
|
|
# will fill properties into variables like FOO_length
|
|
#
|
|
# When multiple files were specified, their info will be put into FOO_* for the
|
|
# first file, FOO_1_* for the second file, FOO_2_* for the third file, etc.
|
|
|
|
case "$0" in
|
|
mpv_identify.sh|*/mpv_identify.sh)
|
|
# we are NOT being sourced
|
|
case "$1" in
|
|
'')
|
|
;;
|
|
*)
|
|
set -- '' "$@"
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|
|
|
|
if [ $# -lt 2 ]; then
|
|
echo >&2 "Usage 1 (for humans only): $0 filename.mkv"
|
|
echo >&2 "will print all property values."
|
|
echo >&2 "Note that this output really shouldn't be parsed, as the"
|
|
echo >&2 "format is subject to change."
|
|
echo >&2
|
|
echo >&2 "Usage 2 (for use by scripts): see top of this file"
|
|
echo >&2
|
|
echo >&2 "NOTE: for mkv with ordered chapters, this may"
|
|
echo >&2 "not always identify the specified file, but the"
|
|
echo >&2 "file providing the first chapter. Specify"
|
|
echo >&2 "--no-ordered-chapters to prevent this."
|
|
exit 1
|
|
fi
|
|
|
|
__midentify__LF="
|
|
"
|
|
|
|
__midentify__nextprefix=$1
|
|
shift
|
|
|
|
if [ -n "$__midentify__nextprefix" ]; then
|
|
# in case of error, we always want this unset
|
|
eval unset $__midentify__nextprefix'path'
|
|
fi
|
|
|
|
__midentify__allprops="
|
|
filename
|
|
path
|
|
stream-start
|
|
stream-end
|
|
stream-length
|
|
|
|
demuxer
|
|
|
|
length
|
|
chapters
|
|
editions
|
|
titles
|
|
|
|
audio
|
|
audio-bitrate
|
|
audio-codec
|
|
audio-format
|
|
channels
|
|
samplerate
|
|
|
|
video
|
|
angle
|
|
video-bitrate
|
|
video-codec
|
|
video-format
|
|
aspect
|
|
fps
|
|
width
|
|
height
|
|
|
|
sub
|
|
"
|
|
# TODO add metadata support once mpv can do it
|
|
|
|
__midentify__propstr="X-MIDENTIFY-START:\\n"
|
|
for __midentify__key in $__midentify__allprops; do
|
|
__midentify__propstr=$__midentify__propstr"X-MIDENTIFY: $__midentify__key \${=$__midentify__key}\\n"
|
|
eval unset $__midentify__nextprefix$__midentify__key
|
|
done
|
|
|
|
__midentify__output=`mpv --playing-msg="$__midentify__propstr" --vo=null --ao=null --frames=0 "$@"`
|
|
__midentify__fileindex=0
|
|
__midentify__prefix=
|
|
while :; do
|
|
case "$__midentify__output" in
|
|
'')
|
|
break
|
|
;;
|
|
*$__midentify__LF*)
|
|
__midentify__line=${__midentify__output%%$__midentify__LF*}
|
|
__midentify__output=${__midentify__output#*$__midentify__LF}
|
|
;;
|
|
*)
|
|
__midentify__line=$__midentify__output
|
|
__midentify__output=
|
|
;;
|
|
esac
|
|
case "$__midentify__line" in
|
|
X-MIDENTIFY-START:)
|
|
if [ -n "$__midentify__nextprefix" ]; then
|
|
__midentify__prefix=$__midentify__nextprefix
|
|
if [ $__midentify__fileindex -gt 0 ]; then
|
|
__midentify__nextprefix=${__midentify__prefix%$__midentify__fileindex\_}
|
|
fi
|
|
__midentify__fileindex=$(($__midentify__fileindex+1))
|
|
__midentify__nextprefix=$__midentify__nextprefix$__midentify__fileindex\_
|
|
for __midentify__key in $__midentify__allprops; do
|
|
eval unset $__midentify__nextprefix$__midentify__key
|
|
done
|
|
else
|
|
if [ $__midentify__fileindex -gt 0 ]; then
|
|
echo
|
|
fi
|
|
__midentify__fileindex=$(($__midentify__fileindex+1))
|
|
fi
|
|
;;
|
|
X-MIDENTIFY:\ *)
|
|
__midentify__key=${__midentify__line#X-MIDENTIFY:\ }
|
|
__midentify__value=${__midentify__key#* }
|
|
__midentify__key=${__midentify__key%% *}
|
|
if [ -n "$__midentify__nextprefix" ]; then
|
|
if [ -z "$__midentify__prefix" ]; then
|
|
echo >&2 "Got X-MIDENTIFY: without X-MIDENTIFY-START:"
|
|
elif [ -n "$__midentify__value" ]; then
|
|
eval $__midentify__prefix$__midentify__key=\$__midentify__value
|
|
fi
|
|
else
|
|
if [ -n "$__midentify__value" ]; then
|
|
echo "$__midentify__key=$__midentify__value"
|
|
fi
|
|
fi
|
|
;;
|
|
esac
|
|
done
|
|
|
|
unset __midentify__fileindex
|
|
unset __midentify__allprops
|
|
unset __midentify__key
|
|
unset __midentify__LF
|
|
unset __midentify__line
|
|
unset __midentify__output
|
|
unset __midentify__nextprefix
|
|
unset __midentify__prefix
|
|
unset __midentify__propstr
|
|
unset __midentify__value
|