mirror of
https://github.com/FFmpeg/FFmpeg.git
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86 lines
1.9 KiB
Bash
Executable File
86 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (c) 2011 Nicolas George
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#
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# This file is part of FFmpeg.
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#
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# FFmpeg is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# FFmpeg is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with FFmpeg; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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set -e
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config="$1"
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codecs="$2"
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out="$3"
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test -n "$out"
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outval=""
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add_line () {
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outval="$outval$*
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"
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}
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parse_config_h () {
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while read define var value; do
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case "$define $var $value" in
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"#define CONFIG_"*_*" 1") eval "$var=1";;
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esac
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done
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}
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define_codecid () {
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id="$1"
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n=${1#CODEC_ID_}
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add_line "case ${id}:"
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eval "c=\${CONFIG_${n}_DECODER}:\${CONFIG_${n}_ENCODER}"
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case "$c" in
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1:*) s="decoder";;
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*:1) s="encoder";;
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*) s="";;
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esac
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case "$s" in
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"") add_line " return \"$n\";" ;;
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*)
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add_line " { extern AVCodec ff_${n}_${s};"
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add_line " return ff_${n}_${s}.name; }"
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;;
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esac
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}
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parse_enum_codecid () {
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while read line; do
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case "$line" in
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"};") break;;
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*CODEC_ID_FIRST*///*dummy*) ;;
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CODEC_ID_*) define_codecid ${line%%[=,]*};;
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esac
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done
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}
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parse_avcodec_h () {
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while read line; do
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case "$line" in
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"enum CodecID {") parse_enum_codecid; break;;
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esac
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done
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}
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parse_config_h < "$config"
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parse_avcodec_h < "$codecs"
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sed -e '/case.*:/!y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/' \
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-e 's/extern avcodec /extern AVCodec /' > "$out" <<EOF
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$outval
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EOF
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