Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | |
| 3 | |
| 4 | prefix=gst |
| 5 | basedir=`dirname $0` |
| 6 | templatedir=$basedir/element-templates |
| 7 | |
| 8 | while [ "$1" ] ; do |
| 9 | case $1 in |
| 10 | --help) |
| 11 | cat <<-EOF |
| 12 | Usage: element-maker [OPTIONS] ELEMENT_NAME BASE_CLASS |
| 13 | Create a GStreamer element that subclasses BASE_CLASS. |
| 14 | Options: |
| 15 | --help Print this information |
| 16 | --prefix PREFIX Use PREFIX instead of "gst" |
| 17 | Example: 'element-maker my_element basetransform' will create the files |
| 18 | gstmyelement.c and gstmyelement.h that implement GstMyElement, a |
| 19 | subclass of GstBaseTransform, as an element named myelement. |
| 20 | EOF |
| 21 | exit 0 |
| 22 | ;; |
| 23 | --prefix) |
| 24 | shift |
| 25 | prefix=$1 |
| 26 | ;; |
| 27 | -*) |
| 28 | echo Unknown option: $1 |
| 29 | exit 1 |
| 30 | ;; |
| 31 | *) |
| 32 | if [ "$name" = "" ]; then |
| 33 | name=$1 |
| 34 | elif [ "$class" = "" ]; then |
| 35 | class=$1 |
| 36 | else |
| 37 | echo Ignored: $1 |
| 38 | fi |
| 39 | esac |
| 40 | shift |
| 41 | done |
| 42 | |
| 43 | if [ "$name" = "" -o "$class" = "" ] ; then |
| 44 | echo "Usage: element-maker [OPTIONS] ELEMENT_NAME BASE_CLASS" |
| 45 | exit 1 |
| 46 | fi |
| 47 | |
| 48 | if [ ! -f "$templatedir/$class" ] ; then |
| 49 | echo "Template file for $class not found." |
| 50 | exit 1 |
| 51 | fi |
| 52 | |
| 53 | |
| 54 | PREFIX=$(echo $prefix | sed -e 's/\(.*\)/\U\1/') |
| 55 | NAME=$(echo $name | sed -e 's/\(.*\)/\U\1/') |
| 56 | Prefix=$(echo $prefix | sed -e 's/_\(.\)/\U\1/g' -e 's/^\(.\)/\U\1/') |
| 57 | Name=$(echo $name | sed -e 's/_\(.\)/\U\1/g' -e 's/^\(.\)/\U\1/') |
| 58 | name=$(echo $name | sed -e 's/\(.*\)/\L\1/') |
| 59 | |
| 60 | GST_IS_REPLACE=${PREFIX}_IS_${NAME} |
| 61 | GST_REPLACE=${PREFIX}_${NAME} |
| 62 | GST_TYPE_REPLACE=${PREFIX}_TYPE_${NAME} |
| 63 | GstReplace=${Prefix}${Name} |
| 64 | gst_replace=${prefix}_${name} |
| 65 | gstreplace=${prefix}$(echo $name | sed -e 's/_//g') |
| 66 | replace=$(echo $name | sed -e 's/_//g') |
Sebastian Dröge | e6513c1 | 2013-07-14 12:12:42 +0200 | [diff] [blame] | 67 | if [ "${prefix}" = gst ] ; then |
| 68 | prefixreplace=$replace |
| 69 | else |
| 70 | prefixreplace=$gstreplace |
| 71 | fi |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 72 | |
| 73 | if [ "$REAL_NAME" = "" ] ; then |
| 74 | REAL_NAME=FIXME |
| 75 | fi |
| 76 | if [ "$EMAIL_ADDRESS" = "" ] ; then |
| 77 | EMAIL_ADDRESS=fixme@example.com |
| 78 | fi |
| 79 | |
| 80 | |
| 81 | pkg=`grep -A 10000 '^% pkg-config' $templatedir/$class | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1` |
| 82 | GST_TYPE_BASE_REPLACE=`grep -A 10000 '^% TYPE_CLASS_NAME' $templatedir/$class | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1` |
| 83 | GstBaseReplace=`grep -A 10000 '^% ClassName' $templatedir/$class | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1` |
| 84 | pads=`grep -A 10000 '^% pads' $templatedir/$class | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1` |
| 85 | |
| 86 | generate () |
| 87 | { |
| 88 | |
| 89 | cat <<-EOF |
| 90 | /* GStreamer |
| 91 | * Copyright (C) $(date +%Y) $REAL_NAME <$EMAIL_ADDRESS> |
| 92 | * |
| 93 | * This library is free software; you can redistribute it and/or |
| 94 | * modify it under the terms of the GNU Library General Public |
| 95 | * License as published by the Free Software Foundation; either |
| 96 | * version 2 of the License, or (at your option) any later version. |
| 97 | * |
| 98 | * This library is distributed in the hope that it will be useful, |
| 99 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 100 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 101 | * Library General Public License for more details. |
| 102 | * |
| 103 | * You should have received a copy of the GNU Library General Public |
| 104 | * License along with this library; if not, write to the |
| 105 | * Free Software Foundation, Inc., 51 Franklin Street, Suite 500, |
| 106 | * Boston, MA 02110-1335, USA. |
| 107 | */ |
| 108 | EOF |
| 109 | |
| 110 | cat <<-EOF |
| 111 | /** |
| 112 | * SECTION:element-$gstreplace |
| 113 | * |
| 114 | * The $replace element does FIXME stuff. |
| 115 | * |
| 116 | * <refsect2> |
| 117 | * <title>Example launch line</title> |
| 118 | * |[ |
| 119 | * gst-launch -v fakesrc ! $replace ! FIXME ! fakesink |
| 120 | * ]| |
| 121 | * FIXME Describe what the pipeline does. |
| 122 | * </refsect2> |
| 123 | */ |
| 124 | EOF |
| 125 | |
| 126 | |
| 127 | cat <<EOF |
| 128 | |
| 129 | #ifdef HAVE_CONFIG_H |
| 130 | #include "config.h" |
| 131 | #endif |
| 132 | |
| 133 | #include <gst/gst.h> |
| 134 | EOF |
| 135 | |
| 136 | grep -A 10000 '^% includes' $templatedir/gobject | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 137 | grep -A 10000 '^% includes' $templatedir/$class | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 138 | |
| 139 | cat <<EOF |
| 140 | #include "gstreplace.h" |
| 141 | |
| 142 | GST_DEBUG_CATEGORY_STATIC (gst_replace_debug_category); |
| 143 | #define GST_CAT_DEFAULT gst_replace_debug_category |
| 144 | |
| 145 | /* prototypes */ |
| 146 | |
| 147 | EOF |
| 148 | |
| 149 | grep -A 10000 '^% prototypes' $templatedir/gobject | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 150 | grep -A 10000 '^% prototypes' $templatedir/$class | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 151 | for each in $pads |
| 152 | do |
| 153 | grep -A 10000 '^% prototypes' $templatedir/$each | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 154 | done |
| 155 | |
| 156 | cat <<EOF |
| 157 | |
| 158 | enum |
| 159 | { |
| 160 | PROP_0 |
| 161 | }; |
| 162 | |
| 163 | /* pad templates */ |
| 164 | |
| 165 | EOF |
| 166 | |
| 167 | for each in $pads |
| 168 | do |
| 169 | grep -A 10000 '^% pad-template' $templatedir/$each | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 170 | done |
| 171 | |
| 172 | cat <<EOF |
| 173 | |
| 174 | /* class initialization */ |
| 175 | |
Sebastian Dröge | 897da27 | 2013-03-22 18:20:09 +0100 | [diff] [blame] | 176 | G_DEFINE_TYPE_WITH_CODE (GstReplace, gst_replace, GST_TYPE_BASE_REPLACE, |
Sebastian Dröge | e6513c1 | 2013-07-14 12:12:42 +0200 | [diff] [blame] | 177 | GST_DEBUG_CATEGORY_INIT (gst_replace_debug_category, "prefixreplace", 0, |
Sebastian Dröge | 897da27 | 2013-03-22 18:20:09 +0100 | [diff] [blame] | 178 | "debug category for replace element")); |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 179 | |
| 180 | static void |
| 181 | gst_replace_class_init (GstReplaceClass * klass) |
| 182 | { |
| 183 | EOF |
| 184 | grep -A 10000 '^% declare-class' $templatedir/gobject | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 185 | grep -A 10000 '^% declare-class' $templatedir/$class | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 186 | |
Sebastian Dröge | 897da27 | 2013-03-22 18:20:09 +0100 | [diff] [blame] | 187 | cat <<EOF |
| 188 | |
| 189 | /* Setting up pads and setting metadata should be moved to |
| 190 | base_class_init if you intend to subclass this class. */ |
| 191 | EOF |
| 192 | for each in $pads |
| 193 | do |
| 194 | grep -A 10000 '^% base-init' $templatedir/$each | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 195 | done |
| 196 | cat <<EOF |
| 197 | |
| 198 | gst_element_class_set_static_metadata (GST_ELEMENT_CLASS(klass), |
| 199 | "FIXME Long name", "Generic", "FIXME Description", |
| 200 | "$REAL_NAME <$EMAIL_ADDRESS>"); |
| 201 | |
| 202 | EOF |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 203 | |
| 204 | grep -A 10000 '^% set-methods' $templatedir/gobject | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 205 | grep -A 10000 '^% set-methods' $templatedir/$class | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 206 | |
| 207 | cat <<EOF |
| 208 | |
| 209 | } |
| 210 | |
| 211 | static void |
Sebastian Dröge | 897da27 | 2013-03-22 18:20:09 +0100 | [diff] [blame] | 212 | gst_replace_init (GstReplace *replace) |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 213 | { |
| 214 | EOF |
| 215 | |
| 216 | for each in $pads |
| 217 | do |
| 218 | grep -A 10000 '^% instance-init' $templatedir/$each | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 219 | done |
| 220 | |
| 221 | |
| 222 | cat <<EOF |
| 223 | } |
| 224 | EOF |
| 225 | |
| 226 | |
| 227 | grep -A 10000 '^% methods' $templatedir/gobject | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 228 | grep -A 10000 '^% methods' $templatedir/$class | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 229 | for each in $pads |
| 230 | do |
| 231 | grep -A 10000 '^% methods' $templatedir/$each | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 232 | done |
| 233 | |
| 234 | |
| 235 | cat <<EOF |
| 236 | |
| 237 | static gboolean |
| 238 | plugin_init (GstPlugin * plugin) |
| 239 | { |
| 240 | |
Sebastian Dröge | e6513c1 | 2013-07-14 12:12:42 +0200 | [diff] [blame] | 241 | /* FIXME Remember to set the rank if it's an element that is meant |
| 242 | to be autoplugged by decodebin. */ |
| 243 | return gst_element_register (plugin, "prefixreplace", GST_RANK_NONE, |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 244 | GST_TYPE_REPLACE); |
| 245 | } |
| 246 | |
Sebastian Dröge | e6513c1 | 2013-07-14 12:12:42 +0200 | [diff] [blame] | 247 | /* FIXME: these are normally defined by the GStreamer build system. |
| 248 | If you are creating an element to be included in gst-plugins-*, |
| 249 | remove these, as they're always defined. Otherwise, edit as |
| 250 | appropriate for your external plugin package. */ |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 251 | #ifndef VERSION |
| 252 | #define VERSION "0.0.FIXME" |
| 253 | #endif |
| 254 | #ifndef PACKAGE |
| 255 | #define PACKAGE "FIXME_package" |
| 256 | #endif |
| 257 | #ifndef PACKAGE_NAME |
| 258 | #define PACKAGE_NAME "FIXME_package_name" |
| 259 | #endif |
| 260 | #ifndef GST_PACKAGE_ORIGIN |
| 261 | #define GST_PACKAGE_ORIGIN "http://FIXME.org/" |
| 262 | #endif |
| 263 | |
| 264 | GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, |
| 265 | GST_VERSION_MINOR, |
| 266 | replace, |
| 267 | "FIXME plugin description", |
| 268 | plugin_init, VERSION, "LGPL", PACKAGE_NAME, GST_PACKAGE_ORIGIN) |
| 269 | |
| 270 | EOF |
| 271 | |
| 272 | |
| 273 | } |
| 274 | |
| 275 | generate_header () |
| 276 | { |
| 277 | |
| 278 | cat <<-EOF |
| 279 | /* GStreamer |
| 280 | * Copyright (C) $(date +%Y) $REAL_NAME <$EMAIL_ADDRESS> |
| 281 | * |
| 282 | * This library is free software; you can redistribute it and/or |
| 283 | * modify it under the terms of the GNU Library General Public |
| 284 | * License as published by the Free Software Foundation; either |
| 285 | * version 2 of the License, or (at your option) any later version. |
| 286 | * |
| 287 | * This library is distributed in the hope that it will be useful, |
| 288 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 289 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 290 | * Library General Public License for more details. |
| 291 | * |
| 292 | * You should have received a copy of the GNU Library General Public |
| 293 | * License along with this library; if not, write to the |
Sebastian Dröge | e6513c1 | 2013-07-14 12:12:42 +0200 | [diff] [blame] | 294 | * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| 295 | * Boston, MA 02110-1301, USA. |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 296 | */ |
| 297 | |
| 298 | EOF |
| 299 | |
| 300 | cat <<EOF |
| 301 | #ifndef _GST_REPLACE_H_ |
| 302 | #define _GST_REPLACE_H_ |
| 303 | |
| 304 | EOF |
| 305 | |
| 306 | grep -A 10000 '^% includes' $templatedir/gobject | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 307 | grep -A 10000 '^% includes' $templatedir/$class | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 308 | |
| 309 | cat <<EOF |
| 310 | |
| 311 | G_BEGIN_DECLS |
| 312 | |
| 313 | #define GST_TYPE_REPLACE \ |
| 314 | (gst_replace_get_type()) |
| 315 | #define GST_REPLACE(obj) \ |
| 316 | (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_REPLACE,GstReplace)) |
| 317 | #define GST_REPLACE_CLASS(klass) \ |
| 318 | (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_REPLACE,GstReplaceClass)) |
| 319 | #define GST_IS_REPLACE(obj) \ |
| 320 | (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_REPLACE)) |
| 321 | #define GST_IS_REPLACE_CLASS(obj) \ |
| 322 | (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_REPLACE)) |
| 323 | |
| 324 | typedef struct _GstReplace GstReplace; |
| 325 | typedef struct _GstReplaceClass GstReplaceClass; |
| 326 | |
| 327 | struct _GstReplace |
| 328 | { |
| 329 | GstBaseReplace base_replace; |
| 330 | |
| 331 | EOF |
| 332 | |
| 333 | for each in $pads |
| 334 | do |
| 335 | grep -A 10000 '^% instance-members' $templatedir/$each | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1 |
| 336 | done |
| 337 | |
| 338 | cat <<EOF |
| 339 | }; |
| 340 | |
| 341 | struct _GstReplaceClass |
| 342 | { |
| 343 | GstBaseReplaceClass base_replace_class; |
| 344 | }; |
| 345 | |
| 346 | GType gst_replace_get_type (void); |
| 347 | |
| 348 | G_END_DECLS |
| 349 | |
| 350 | #endif |
| 351 | EOF |
| 352 | |
| 353 | |
| 354 | } |
| 355 | |
| 356 | |
| 357 | generate | sed \ |
| 358 | -e "s/GST_BASE_REPLACE/$GST_BASE_REPLACE/g" \ |
| 359 | -e "s/GST_TYPE_BASE_REPLACE/$GST_TYPE_BASE_REPLACE/g" \ |
| 360 | -e "s/GstBaseReplace/$GstBaseReplace/g" \ |
| 361 | -e "s/GST_IS_REPLACE/$GST_IS_REPLACE/g" \ |
| 362 | -e "s/GST_REPLACE/$GST_REPLACE/g" \ |
| 363 | -e "s/GST_TYPE_REPLACE/$GST_TYPE_REPLACE/g" \ |
| 364 | -e "s/GstReplace/$GstReplace/g" \ |
| 365 | -e "s/gst_replace/$gst_replace/g" \ |
| 366 | -e "s/gstreplace/$gstreplace/g" \ |
Sebastian Dröge | e6513c1 | 2013-07-14 12:12:42 +0200 | [diff] [blame] | 367 | -e "s/prefixreplace/$prefixreplace/g" \ |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 368 | -e "s/replace/$replace/g" >$gstreplace.c |
| 369 | |
| 370 | generate_header | sed \ |
| 371 | -e "s/GST_BASE_REPLACE/$GST_BASE_REPLACE/g" \ |
| 372 | -e "s/GST_TYPE_BASE_REPLACE/$GST_TYPE_BASE_REPLACE/g" \ |
| 373 | -e "s/GstBaseReplace/$GstBaseReplace/g" \ |
| 374 | -e "s/GST_IS_REPLACE/$GST_IS_REPLACE/g" \ |
| 375 | -e "s/GST_REPLACE/$GST_REPLACE/g" \ |
| 376 | -e "s/GST_TYPE_REPLACE/$GST_TYPE_REPLACE/g" \ |
| 377 | -e "s/GstReplace/$GstReplace/g" \ |
| 378 | -e "s/gst_replace/$gst_replace/g" \ |
| 379 | -e "s/gstreplace/$gstreplace/g" \ |
Sebastian Dröge | e6513c1 | 2013-07-14 12:12:42 +0200 | [diff] [blame] | 380 | -e "s/prefixreplace/$prefixreplace/g" \ |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 381 | -e "s/replace/$replace/g" >$gstreplace.h |
| 382 | |
| 383 | gst-indent $gstreplace.c |
| 384 | |
| 385 | echo pkg is $pkg |
| 386 | |
Sebastian Dröge | e6513c1 | 2013-07-14 12:12:42 +0200 | [diff] [blame] | 387 | gcc -Wall -Werror -fPIC $CPPFLAGS $(pkg-config --cflags gstreamer-1.0 $pkg) -c -o $gstreplace.o $gstreplace.c |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 388 | if test $? -ne 0; then |
| 389 | exit 1 |
| 390 | fi |
| 391 | |
Sebastian Dröge | 897da27 | 2013-03-22 18:20:09 +0100 | [diff] [blame] | 392 | gcc -shared -o $gstreplace.so $gstreplace.o $(pkg-config --libs gstreamer-1.0 $pkg) |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 393 | if test $? -ne 0; then |
| 394 | exit 1 |
| 395 | fi |
| 396 | |
Sebastian Dröge | e6513c1 | 2013-07-14 12:12:42 +0200 | [diff] [blame] | 397 | gst-inspect-1.0 ./$gstreplace.so |