mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-01 19:41:28 +00:00
23f4266bbd
When this option was given empty, when for example we don't want any plugin in gstreamer full, the build process was failing because an empty plugin was created in gstinitstaticplugins.c. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/244>
119 lines
5.1 KiB
Python
119 lines
5.1 KiB
Python
#!/usr/bin/env python3
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import argparse
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import os
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from string import Template
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TEMPLATE = Template('''
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#include <gst/gst.h>
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$elements_declaration
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$typefind_funcs_declaration
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$device_providers_declaration
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$dynamic_types_declaration
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$plugins_declaration
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void
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gst_init_static_plugins (void)
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{
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static gsize initialization_value = 0;
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if (g_once_init_enter (&initialization_value)) {
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$elements_registration
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$typefind_funcs_registration
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$device_providers_registration
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$dynamic_types_registration
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$plugins_registration
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g_once_init_leave (&initialization_value, 1);
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}
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}
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''')
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# Retrieve the plugin name as it can be a plugin filename
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def get_plugin_name(name):
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for p in plugins:
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if name in p:
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return p
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return ''
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def process_features(features_list, plugins, feature_prefix):
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plugins_list = plugins
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feature_declaration = []
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feature_registration = []
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if features_list is not None:
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feature_plugins = features_list.split(';')
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for plugin in feature_plugins:
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split = plugin.split(':')
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plugin_name = split[0].strip()
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if len(split) == 2:
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if (get_plugin_name(plugin_name)) != '':
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plugins_list.remove(get_plugin_name(plugin_name))
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features = split[1].split(',')
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for feature in features:
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feature = feature.replace("-", "_")
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feature_declaration += ['%s_REGISTER_DECLARE(%s);' % (feature_prefix, feature)]
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feature_registration += ['%s_REGISTER(%s, NULL);' % (feature_prefix, feature)]
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return (plugins_list, feature_declaration, feature_registration)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument('-o', dest="output", help="Output file")
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parser.add_argument('-p','--plugins', nargs='?', default='', dest="plugins", help="The list of plugins")
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parser.add_argument('-e', '--elements', nargs='?', default='', dest="elements", help="The list of plugin:elements")
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parser.add_argument('-t', '--type-finds', nargs='?', default='', dest="typefindfuncs", help="The list of plugin:typefinds")
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parser.add_argument('-d', '--devide-providers', nargs='?', default='', dest="deviceproviders", help="The list of plugin:deviceproviders")
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parser.add_argument('-T', '--dynamic-types', nargs='?', default='', dest="dynamictypes", help="The list of plugin:dynamictypes")
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options = parser.parse_args()
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if options.output is None:
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output_file = 'gstinitstaticplugins.c'
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else:
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output_file = options.output
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enable_staticelements_plugin = 0;
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elements_declaration = []
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elements_registration = []
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typefind_funcs_declaration = []
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typefind_funcs_registration = []
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device_providers_declaration = []
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device_providers_registration = []
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dynamic_types_declaration = []
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dynamic_types_registration = []
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plugins_declaration = []
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plugins_registration = []
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if options.plugins is None or options.plugins.isspace():
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plugins = []
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else:
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plugins = options.plugins.split(';')
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# process the features
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(plugins, elements_declaration, elements_registration) = process_features(options.elements, plugins, 'GST_ELEMENT')
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(plugins, typefind_funcs_declaration, typefind_funcs_registration) = process_features(options.typefindfuncs, plugins, 'GST_TYPE_FIND')
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(plugins, device_providers_declaration, device_providers_registration) = process_features(options.deviceproviders, plugins, 'GST_DEVICE_PROVIDER')
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(plugins, dynamic_types_declaration, dynamic_types_registration) = process_features(options.dynamictypes, plugins, 'GST_DYNAMIC_TYPE')
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# Enable plugin or elements according to the ';' separated list.
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for plugin in plugins:
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split = plugin.split(':')
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plugin_name = split[0]
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if plugin_name == '':
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continue
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filename = os.path.basename(plugin)
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if filename.startswith('libgst') and filename.endswith('.a'):
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plugin_name = filename[len('libgst'):-len('.a')]
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plugins_registration += ['GST_PLUGIN_STATIC_REGISTER(%s);' % (plugin_name)]
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plugins_declaration += ['GST_PLUGIN_STATIC_DECLARE(%s);' % (plugin_name)]
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with open(output_file.strip(), "w") as f:
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static_elements_plugin = ''
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f.write(TEMPLATE.substitute({
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'elements_declaration': '\n'.join(elements_declaration),
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'elements_registration': '\n '.join(elements_registration),
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'typefind_funcs_declaration': '\n'.join(typefind_funcs_declaration),
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'typefind_funcs_registration': '\n '.join(typefind_funcs_registration),
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'device_providers_declaration': '\n'.join(device_providers_declaration),
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'device_providers_registration': '\n '.join(device_providers_registration),
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'dynamic_types_declaration': '\n'.join(dynamic_types_declaration),
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'dynamic_types_registration': '\n '.join(dynamic_types_registration),
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'plugins_declaration': '\n'.join(plugins_declaration),
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'plugins_registration': '\n '.join(plugins_registration),
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}))
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