mirror of
https://github.com/mpv-player/mpv
synced 2025-01-14 02:51:26 +00:00
4e2fab5846
Use "-" instead of "_" in property names. The intent is that property names and options names should be the same (if they refer to the same thing), and options use "-" as word separator. Rename some other properties too, e.g. "switch_audio" -> "audio". Add a way to translate the old property names to the new ones, similar to the input command legacy bridge. Update input.conf. Use the new property names, and don't use legacy commands.
166 lines
4.6 KiB
Bash
Executable File
166 lines
4.6 KiB
Bash
Executable File
#!/bin/sh
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# file identification script
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#
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# manual usage:
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# mplayer2_identify.sh foo.mkv
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#
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# sh/dash/ksh/bash usage:
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# . mplayer2_identify.sh FOO_ foo.mkv
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# will fill properties into variables like FOO_length
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#
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# zsh usage:
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# mplayer2_identify() { emulate -L sh; . mplayer2_identify.sh "$@"; }
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# mplayer2_identify FOO_ foo.mkv
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# will fill properties into variables like FOO_length
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#
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# When multiple files were specified, their info will be put into FOO_* for the
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# first file, FOO_1_* for the second file, FOO_2_* for the third file, etc.
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case "$0" in
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mplayer2_identify.sh|*/mplayer2_identify.sh)
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# we are NOT being sourced
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case "$1" in
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'')
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;;
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*)
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set -- '' "$@"
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;;
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esac
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;;
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esac
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if [ $# -lt 2 ]; then
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echo >&2 "Usage 1 (for humans only): $0 filename.mkv"
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echo >&2 "will print all property values."
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echo >&2 "Note that this output really shouldn't be parsed, as the"
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echo >&2 "format is subject to change."
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echo >&2
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echo >&2 "Usage 2 (for use by scripts): see top of this file"
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echo >&2
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echo >&2 "NOTE: for mkv with ordered chapters, this may"
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echo >&2 "not always identify the specified file, but the"
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echo >&2 "file providing the first chapter. Specify"
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echo >&2 "--no-ordered-chapters to prevent this."
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exit 1
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fi
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__midentify__LF="
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"
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__midentify__nextprefix=$1
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shift
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if [ -n "$__midentify__nextprefix" ]; then
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# in case of error, we always want this unset
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eval unset $__midentify__nextprefix'path'
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fi
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__midentify__allprops="
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filename
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path
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stream-start
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stream-end
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stream-length
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demuxer
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program
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length
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chapters
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editions
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titles
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audio
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audio-bitrate
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audio-codec
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audio-format
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channels
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samplerate
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video
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angle
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video-bitrate
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video-codec
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video-format
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aspect
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fps
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width
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height
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sub
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"
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# TODO add metadata support once mplayer can do it
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__midentify__propstr="X-MIDENTIFY-START:\\n"
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for __midentify__key in $__midentify__allprops; do
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__midentify__propstr=$__midentify__propstr"X-MIDENTIFY: $__midentify__key \${=$__midentify__key}\\n"
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eval unset $__midentify__nextprefix$__midentify__key
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done
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__midentify__output=`mplayer --playing-msg="$__midentify__propstr" --vo=null --ao=null --frames=0 "$@"`
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__midentify__fileindex=0
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__midentify__prefix=
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while :; do
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case "$__midentify__output" in
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'')
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break
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;;
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*$__midentify__LF*)
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__midentify__line=${__midentify__output%%$__midentify__LF*}
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__midentify__output=${__midentify__output#*$__midentify__LF}
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;;
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*)
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__midentify__line=$__midentify__output
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__midentify__output=
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;;
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esac
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case "$__midentify__line" in
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X-MIDENTIFY-START:)
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if [ -n "$__midentify__nextprefix" ]; then
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__midentify__prefix=$__midentify__nextprefix
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if [ $__midentify__fileindex -gt 0 ]; then
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__midentify__nextprefix=${__midentify__prefix%$__midentify__fileindex\_}
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fi
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__midentify__fileindex=$(($__midentify__fileindex+1))
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__midentify__nextprefix=$__midentify__nextprefix$__midentify__fileindex\_
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for __midentify__key in $__midentify__allprops; do
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eval unset $__midentify__nextprefix$__midentify__key
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done
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else
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if [ $__midentify__fileindex -gt 0 ]; then
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echo
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fi
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__midentify__fileindex=$(($__midentify__fileindex+1))
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fi
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;;
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X-MIDENTIFY:\ *)
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__midentify__key=${__midentify__line#X-MIDENTIFY:\ }
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__midentify__value=${__midentify__key#* }
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__midentify__key=${__midentify__key%% *}
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if [ -n "$__midentify__nextprefix" ]; then
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if [ -z "$__midentify__prefix" ]; then
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echo >&2 "Got X-MIDENTIFY: without X-MIDENTIFY-START:"
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elif [ -n "$__midentify__value" ]; then
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eval $__midentify__prefix$__midentify__key=\$__midentify__value
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fi
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else
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if [ -n "$__midentify__value" ]; then
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echo "$__midentify__key=$__midentify__value"
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fi
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fi
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;;
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esac
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done
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unset __midentify__fileindex
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unset __midentify__allprops
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unset __midentify__key
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unset __midentify__LF
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unset __midentify__line
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unset __midentify__output
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unset __midentify__nextprefix
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unset __midentify__prefix
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unset __midentify__propstr
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unset __midentify__value
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