mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 16:50:47 +00:00
329 lines
8.4 KiB
Bash
Executable file
329 lines
8.4 KiB
Bash
Executable file
#!/bin/sh
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prefix=gst
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while [ "$1" ] ; do
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case $1 in
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--help)
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cat <<-EOF
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Usage: element-maker [OPTIONS] ELEMENT_NAME BASE_CLASS
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Create a GStreamer element that subclasses BASE_CLASS.
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Options:
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--help Print this information
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--prefix PREFIX Use PREFIX instead of "gst"
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Example: 'element-maker my_element basetransform' will create the files
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gstmyelement.c and gstmyelement.h that implement GstMyElement, a
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subclass of GstBaseTransform, as an element named myelement.
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EOF
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exit 0
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;;
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--prefix)
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shift
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prefix=$1
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;;
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-*)
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echo Unknown option: $1
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exit 1
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;;
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*)
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if [ "$name" = "" ]; then
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name=$1
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elif [ "$class" = "" ]; then
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class=$1
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else
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echo Ignored: $1
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fi
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esac
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shift
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done
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if [ "$name" = "" -o "$class" = "" ] ; then
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echo "Usage: element-maker [OPTIONS] ELEMENT_NAME BASE_CLASS"
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exit 1
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fi
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if [ ! -f "gst$class.c" ] ; then
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echo "Template file for $class not found."
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exit 1
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fi
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PREFIX=$(echo $prefix | sed -e 's/\(.*\)/\U\1/')
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NAME=$(echo $name | sed -e 's/\(.*\)/\U\1/')
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Prefix=$(echo $prefix | sed -e 's/_\(.\)/\U\1/' -e 's/^\(.\)/\U\1/')
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Name=$(echo $name | sed -e 's/_\(.\)/\U\1/' -e 's/^\(.\)/\U\1/')
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GST_IS_REPLACE=${PREFIX}_IS_${NAME}
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GST_REPLACE=${PREFIX}_${NAME}
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GST_TYPE_REPLACE=${PREFIX}_TYPE_${NAME}
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GstReplace=${Prefix}${Name}
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gst_replace=${prefix}_${name}
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gstreplace=${prefix}$(echo $name | sed -e 's/_//')
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replace=$(echo $name | sed -e 's/_//')
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if [ "$REAL_NAME" = "" ] ; then
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REAL_NAME=FIXME
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fi
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if [ "$EMAIL_ADDRESS" = "" ] ; then
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EMAIL_ADDRESS=fixme@example.com
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fi
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source=gst$class.c
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pkg=`grep -A 10000 '^% pkg-config' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1`
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GST_TYPE_BASE_REPLACE=`grep -A 10000 '^% TYPE_CLASS_NAME' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1`
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GstBaseReplace=`grep -A 10000 '^% ClassName' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1`
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generate ()
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{
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cat <<-EOF
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/* GStreamer
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* Copyright (C) $(date +%Y) $REAL_NAME <$EMAIL_ADDRESS>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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EOF
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cat <<-EOF
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/**
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* SECTION:element-$gstreplace
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*
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* The $gstreplace element does FIXME stuff.
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch -v fakesrc ! $gstreplace ! FIXME ! fakesink
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* ]|
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* FIXME Describe what the pipeline does.
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* </refsect2>
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*/
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EOF
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#grep -A 10000 '^% copyright' base.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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cat <<EOF
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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EOF
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grep -A 10000 '^% includes' base.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% includes' gobject.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% includes' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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cat <<EOF
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#include "gstreplace.h"
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/* prototypes */
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EOF
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grep -A 10000 '^% prototypes' base.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% prototypes' gobject.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% prototypes' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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cat <<EOF
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enum
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{
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PROP_0
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};
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/* pad templates */
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static GstStaticPadTemplate gst_replace_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/unknown")
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);
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static GstStaticPadTemplate gst_replace_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/unknown")
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);
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/* class initialization */
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GST_BOILERPLATE (GstReplace, gst_replace, GstBaseReplace,
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GST_TYPE_BASE_REPLACE);
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static void
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gst_replace_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_replace_src_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_replace_sink_template));
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gst_element_class_set_details_simple (element_class, "FIXME",
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"Generic", "FIXME", "$REAL_NAME <$EMAIL_ADDRESS>");
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}
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static void
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gst_replace_class_init (GstReplaceClass * klass)
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{
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EOF
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grep -A 10000 '^% declare-class' base.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% declare-class' gobject.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% declare-class' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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echo
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grep -A 10000 '^% set-methods' base.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% set-methods' gobject.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% set-methods' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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cat <<EOF
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}
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static void
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gst_replace_init (GstReplace * replace, GstReplaceClass * replace_class)
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{
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}
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EOF
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grep -A 10000 '^% methods' base.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% methods' gobject.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% methods' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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cat <<EOF
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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gst_element_register (plugin, "replace", GST_RANK_NONE,
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gst_replace_get_type ());
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return TRUE;
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}
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#define VERSION "0.0.FIXME"
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#define PACKAGE "FIXME_package"
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#define PACKAGE_NAME "FIXME_package_name"
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#define PACKAGE_ORIGIN "http://FIXME.org/"
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"replace",
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"FIXME",
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plugin_init, VERSION, "LGPL", PACKAGE_NAME, PACKAGE_ORIGIN)
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EOF
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}
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generate_header ()
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{
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grep -A 10000 '^% copyright' base.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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cat <<EOF
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#ifndef _GST_REPLACE_H_
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#define _GST_REPLACE_H_
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EOF
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grep -A 10000 '^% includes' base.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% includes' gobject.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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grep -A 10000 '^% includes' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
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cat <<EOF
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G_BEGIN_DECLS
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#define GST_TYPE_REPLACE \
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(gst_replace_get_type())
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#define GST_REPLACE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_REPLACE,GstReplace))
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#define GST_REPLACE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_REPLACE,GstReplaceClass))
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#define GST_IS_REPLACE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_REPLACE))
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#define GST_IS_REPLACE_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_REPLACE))
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typedef struct _GstReplace GstReplace;
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typedef struct _GstReplaceClass GstReplaceClass;
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struct _GstReplace
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{
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GstBaseReplace base_replace;
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};
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struct _GstReplaceClass
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{
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GstBaseReplaceClass base_replace_class;
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};
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GType gst_replace_get_type (void);
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G_END_DECLS
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#endif
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EOF
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}
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generate | sed \
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-e "s/GST_BASE_REPLACE/$GST_BASE_REPLACE/g" \
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-e "s/GST_TYPE_BASE_REPLACE/$GST_TYPE_BASE_REPLACE/g" \
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-e "s/GstBaseReplace/$GstBaseReplace/g" \
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-e "s/GST_IS_REPLACE/$GST_IS_REPLACE/g" \
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-e "s/GST_REPLACE/$GST_REPLACE/g" \
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-e "s/GST_TYPE_REPLACE/$GST_TYPE_REPLACE/g" \
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-e "s/GstReplace/$GstReplace/g" \
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-e "s/gst_replace/$gst_replace/g" \
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-e "s/gstreplace/$gstreplace/g" \
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-e "s/replace/$replace/g" >$gstreplace.c
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generate_header | sed \
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-e "s/GST_BASE_REPLACE/$GST_BASE_REPLACE/g" \
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-e "s/GST_TYPE_BASE_REPLACE/$GST_TYPE_BASE_REPLACE/g" \
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-e "s/GstBaseReplace/$GstBaseReplace/g" \
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-e "s/GST_IS_REPLACE/$GST_IS_REPLACE/g" \
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-e "s/GST_REPLACE/$GST_REPLACE/g" \
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-e "s/GST_TYPE_REPLACE/$GST_TYPE_REPLACE/g" \
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-e "s/GstReplace/$GstReplace/g" \
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-e "s/gst_replace/$gst_replace/g" \
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-e "s/gstreplace/$gstreplace/g" \
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-e "s/replace/$replace/g" >$gstreplace.h
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gst-indent $gstreplace.c
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echo pkg is $pkg
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gcc -Wall $(pkg-config --cflags gstreamer-0.10 $pkg) -c -o $gstreplace.o $gstreplace.c
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gcc -shared -o $gstreplace.so $gstreplace.o $(pkg-config --libs gstreamer-0.10 $pkg)
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