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controller: Generate GLib enums automatically

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This commit is contained in:
Sebastian Dröge 2017-04-09 12:02:43 +03:00
parent 519d64881f
commit c7cc48b42e
7 changed files with 98 additions and 56 deletions
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21
libs/gst/controller/Makefile.am
View file

@ -1,5 +1,17 @@
lib_LTLIBRARIES = libgstcontroller-@GST_API_VERSION@.la
glib_enum_headers= \
gstinterpolationcontrolsource.h \
gstlfocontrolsource.h
glib_enum_define = GST_CONTROLLER
glib_gen_prefix = gst
glib_gen_basename = controller
built_sources = controller-enumtypes.c
built_headers = controller-enumtypes.h
BUILT_SOURCES = $(built_sources) $(built_headers)
libgstcontroller_@GST_API_VERSION@_includedir = $(includedir)/gstreamer-@GST_API_VERSION@/gst/controller
libgstcontroller_@GST_API_VERSION@_include_HEADERS = \
controller.h \
@ -11,6 +23,9 @@ libgstcontroller_@GST_API_VERSION@_include_HEADERS = \
gsttriggercontrolsource.h \
gstlfocontrolsource.h
nodist_libgstcontroller_@GST_API_VERSION@_include_HEADERS = \
controller-enumtypes.h
libgstcontroller_@GST_API_VERSION@_la_SOURCES = \
gstargbcontrolbinding.c \
gstdirectcontrolbinding.c \
@ -20,17 +35,21 @@ libgstcontroller_@GST_API_VERSION@_la_SOURCES = \
gsttriggercontrolsource.c \
gstlfocontrolsource.c
nodist_libgstcontroller_@GST_API_VERSION@_la_SOURCES = $(BUILT_SOURCES)
libgstcontroller_@GST_API_VERSION@_la_CFLAGS = $(GST_OBJ_CFLAGS)
libgstcontroller_@GST_API_VERSION@_la_LIBADD = $(GST_OBJ_LIBS) $(LIBM)
libgstcontroller_@GST_API_VERSION@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS)
CLEANFILES = *.gcno *.gcda *.gcov
CLEANFILES = *.gcno *.gcda *.gcov $(BUILT_SOURCES)
%.c.gcov: .libs/libgstcontroller_@GST_API_VERSION@_la-%.gcda %.c
$(GCOV) -b -f -o $^ > $@.out
gcov: $(libgstcontroller_@GST_API_VERSION@_la_SOURCES:=.gcov)
include $(top_srcdir)/common/gst-glib-gen.mak
if HAVE_INTROSPECTION
BUILT_GIRSOURCES = GstController-@GST_API_VERSION@.gir

55
libs/gst/controller/controller_mkenum.py Executable file
View file

@ -0,0 +1,55 @@
#!/usr/bin/env python3
# This is in its own file rather than inside meson.build
# because a) mixing the two is ugly and b) trying to
# make special characters such as \n go through all
# backends is a fool's errand.
import sys, os, shutil, subprocess
h_array = ['--fhead',
"#ifndef __GST_CONTROLLER_ENUM_TYPES_H__\n#define __GST_CONTROLLER_ENUM_TYPES_H__\n\n#include <glib-object.h>\n\nG_BEGIN_DECLS\n",
'--fprod',
"\n/* enumerations from \"@filename@\" */\n",
'--vhead',
'GType @enum_name@_get_type (void);\n#define GST_TYPE_@ENUMSHORT@ (@enum_name@_get_type())\n',
'--ftail',
'G_END_DECLS\n\n#endif /* __GST_CONTROLLER_ENUM_TYPES_H__ */',
]
c_array = ['--fhead',
"#include \"controller-enumtypes.h\"\n\n#include \"controller.h\" \n#include \"gstinterpolationcontrolsource.h\" \n#include \"gstlfocontrolsource.h\"",
'--fprod',
"\n/* enumerations from \"@filename@\" */",
'--vhead',
"GType\n@enum_name@_get_type (void)\n{\n static volatile gsize g_define_type_id__volatile = 0;\n if (g_once_init_enter (&g_define_type_id__volatile)) {\n static const G@Type@Value values[] = {",
'--vprod',
" { @VALUENAME@, \"@VALUENAME@\", \"@valuenick@\" },",
'--vtail',
" { 0, NULL, NULL }\n };\n GType g_define_type_id = g_@type@_register_static (\"@EnumName@\", values);\n g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);\n }\n return g_define_type_id__volatile;\n}\n",
]
cmd = []
argn = 1
# Find the full command needed to run glib-mkenums
# On UNIX-like, this is just the full path to glib-mkenums
# On Windows, this is the full path to interpreter + full path to glib-mkenums
for arg in sys.argv[1:]:
cmd.append(arg)
argn += 1
if arg.endswith('glib-mkenums'):
break
ofilename = sys.argv[argn]
headers = sys.argv[argn + 1:]
if ofilename.endswith('.h'):
arg_array = h_array
else:
arg_array = c_array
cmd_array = cmd + arg_array + headers
pc = subprocess.Popen(cmd_array, stdout=subprocess.PIPE)
(stdo, _) = pc.communicate()
if pc.returncode != 0:
sys.exit(pc.returncode)
open(ofilename, 'wb').write(stdo)

22
libs/gst/controller/gstinterpolationcontrolsource.c
View file

@ -621,28 +621,6 @@ enum
PROP_MODE = 1
};
GType
gst_interpolation_mode_get_type (void)
{
static gsize gtype = 0;
static const GEnumValue values[] = {
{GST_INTERPOLATION_MODE_NONE, "GST_INTERPOLATION_MODE_NONE", "none"},
{GST_INTERPOLATION_MODE_LINEAR, "GST_INTERPOLATION_MODE_LINEAR", "linear"},
{GST_INTERPOLATION_MODE_CUBIC, "GST_INTERPOLATION_MODE_CUBIC", "cubic"},
{GST_INTERPOLATION_MODE_CUBIC_MONOTONIC,
"GST_INTERPOLATION_MODE_CUBIC_MONOTONIC", "cubic-monotonic"},
{0, NULL, NULL}
};
if (g_once_init_enter (&gtype)) {
GType tmp = g_enum_register_static ("GstInterpolationMode", values);
g_once_init_leave (&gtype, tmp);
}
return (GType) gtype;
}
#define _do_init \
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "interpolation control source", 0, \
"timeline value interpolating control source")

4
libs/gst/controller/gstinterpolationcontrolsource.h
View file

@ -28,6 +28,7 @@
#include <gst/gst.h>
#include <gst/controller/gsttimedvaluecontrolsource.h>
#include <gst/controller/controller-enumtypes.h>
G_BEGIN_DECLS
@ -44,8 +45,6 @@ G_BEGIN_DECLS
#define GST_INTERPOLATION_CONTROL_SOURCE_GET_CLASS(inst) \
(G_TYPE_INSTANCE_GET_CLASS ((inst), GST_TYPE_INTERPOLATION_CONTROL_SOURCE, GstInterpolationControlSourceClass))
#define GST_TYPE_INTERPOLATION_MODE (gst_interpolation_mode_get_type ())
typedef struct _GstInterpolationControlSource GstInterpolationControlSource;
typedef struct _GstInterpolationControlSourceClass GstInterpolationControlSourceClass;
typedef struct _GstInterpolationControlSourcePrivate GstInterpolationControlSourcePrivate;
@ -91,7 +90,6 @@ struct _GstInterpolationControlSourceClass {
};
GType gst_interpolation_control_source_get_type (void);
GType gst_interpolation_mode_get_type (void);
/* Functions */

26
libs/gst/controller/gstlfocontrolsource.c
View file

@ -372,32 +372,6 @@ enum
PROP_OFFSET
};
GType
gst_lfo_waveform_get_type (void)
{
static gsize gtype = 0;
static const GEnumValue values[] = {
{GST_LFO_WAVEFORM_SINE, "GST_LFO_WAVEFORM_SINE",
"sine"},
{GST_LFO_WAVEFORM_SQUARE, "GST_LFO_WAVEFORM_SQUARE",
"square"},
{GST_LFO_WAVEFORM_SAW, "GST_LFO_WAVEFORM_SAW",
"saw"},
{GST_LFO_WAVEFORM_REVERSE_SAW, "GST_LFO_WAVEFORM_REVERSE_SAW",
"reverse-saw"},
{GST_LFO_WAVEFORM_TRIANGLE, "GST_LFO_WAVEFORM_TRIANGLE",
"triangle"},
{0, NULL, NULL}
};
if (g_once_init_enter (&gtype)) {
GType tmp = g_enum_register_static ("GstLFOWaveform", values);
g_once_init_leave (&gtype, tmp);
}
return (GType) gtype;
}
#define _do_init \
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "lfo control source", 0, "low frequency oscillator control source")

4
libs/gst/controller/gstlfocontrolsource.h
View file

@ -26,6 +26,7 @@
#include <glib-object.h>
#include <gst/gst.h>
#include <gst/controller/controller-enumtypes.h>
G_BEGIN_DECLS
@ -42,8 +43,6 @@ G_BEGIN_DECLS
#define GST_LFO_CONTROL_SOURCE_GET_CLASS(inst) \
(G_TYPE_INSTANCE_GET_CLASS ((inst), GST_TYPE_LFO_CONTROL_SOURCE, GstLFOControlSourceClass))
#define GST_TYPE_LFO_WAVEFORM (gst_lfo_waveform_get_type ())
typedef struct _GstLFOControlSource GstLFOControlSource;
typedef struct _GstLFOControlSourceClass GstLFOControlSourceClass;
typedef struct _GstLFOControlSourcePrivate GstLFOControlSourcePrivate;
@ -89,7 +88,6 @@ struct _GstLFOControlSourceClass {
};
GType gst_lfo_control_source_get_type (void);
GType gst_lfo_waveform_get_type (void);
/* Functions */

22
libs/gst/controller/meson.build
View file

@ -8,7 +8,12 @@ gst_controller_sources = [
'gstlfocontrolsource.c',
]
gst_controller_headers = [
controller_mkenum_headers = [
'gstinterpolationcontrolsource.h',
'gstlfocontrolsource.h',
]
gst_controller_headers = controller_mkenum_headers + [
'gstargbcontrolbinding.h',
'gstdirectcontrolbinding.h',
'gsttimedvaluecontrolsource.h',
@ -20,6 +25,21 @@ gst_controller_headers = [
]
install_headers(gst_controller_headers, subdir : 'gstreamer-1.0/gst/controller/')
mkenums = find_program('controller_mkenum.py')
gstcontroller_h = custom_target('gstcontrollerenum_h',
output : 'controller-enumtypes.h',
input : controller_mkenum_headers,
install : true,
install_dir : 'include/gstreamer-1.0/gst/controller/',
command : [mkenums, glib_mkenums, '@OUTPUT@', '@INPUT@'])
gstcontroller_c = custom_target('gstcontrollerenum_c',
output : 'controller-enumtypes.c',
input : controller_mkenum_headers,
depends : [gstcontroller_h],
command : [mkenums, glib_mkenums, '@OUTPUT@', '@INPUT@'])
controller_gen_sources = [gstcontroller_h]
if libtype != 'shared'
gst_controller_static = static_library('gstcontroller-@0@'.format(apiversion),
gst_controller_sources,