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-rwxr-xr-xlibavcodec/codec_names.sh84
1 files changed, 84 insertions, 0 deletions
diff --git a/libavcodec/codec_names.sh b/libavcodec/codec_names.sh
new file mode 100755
index 0000000000..0e499c9c49
--- /dev/null
+++ b/libavcodec/codec_names.sh
@@ -0,0 +1,84 @@
+#!/bin/sh
+
+# Copyright (c) 2011 Nicolas George
+#
+# This file is part of FFmpeg.
+#
+# FFmpeg is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# FFmpeg is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with FFmpeg; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+set -e
+
+config="$1"
+out="$2"
+test -n "$out"
+
+outval=""
+
+add_line () {
+ outval="$outval$*
+"
+}
+
+parse_config_h () {
+ while read define var value; do
+ case "$define $var $value" in
+ "#define CONFIG_"*_*" 1") eval "$var=1";;
+ esac
+ done
+}
+
+define_codecid () {
+ id="$1"
+ n=${1#CODEC_ID_}
+ add_line "case ${id}:"
+ eval "c=\${CONFIG_${n}_DECODER}:\${CONFIG_${n}_ENCODER}"
+ case "$c" in
+ 1:*) s="decoder";;
+ *:1) s="encoder";;
+ *) s="";;
+ esac
+ case "$s" in
+ "") add_line " return \"$n\";" ;;
+ *)
+ add_line " { extern AVCodec ff_${n}_${s};"
+ add_line " return ff_${n}_${s}.name; }"
+ ;;
+ esac
+}
+
+parse_enum_codecid () {
+ while read line; do
+ case "$line" in
+ "};") break;;
+ *CODEC_ID_FIRST*=*) ;;
+ CODEC_ID_*) define_codecid ${line%%[=,]*};;
+ esac
+ done
+}
+
+parse_avcodec_h () {
+ while read line; do
+ case "$line" in
+ "enum CodecID {") parse_enum_codecid; break;;
+ esac
+ done
+}
+
+parse_config_h < "$config"
+parse_avcodec_h # use stdin
+sed -e '/case.*:/!y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/' \
+ -e 's/extern avcodec /extern AVCodec /' > "$out" <<EOF
+$outval
+EOF