inigo.c: add -query option to inigo for service and metadata lookup.

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@1082 d19143bc-622f-0410-bfdd-b5b2a6649095

diff --git a/src/inigo/inigo.c b/src/inigo/inigo.c
index da12d01a446a2678e2fc01506c3ac9f5c0563b94..ccc50446d4647723938c38e173607c179e902308 100644 (file)
--- a/src/inigo/inigo.c
+++ b/src/inigo/inigo.c
@@ -265,6 +265,56 @@ static void transport( mlt_producer producer, mlt_consumer consumer )
        }
 }
 
+static void query_metadata( mlt_repository repo, mlt_service_type type, char *typestr, char *id )
+{
+       mlt_properties metadata = mlt_repository_metadata( repo, type, id );
+       if ( metadata )
+       {
+               char *s = mlt_properties_serialise_yaml( metadata );
+               fprintf( stderr, "%s", s );
+               free( s );
+       }
+       else
+       {
+               fprintf( stderr, "# No metadata for %s \"%s\"\n", typestr, id );
+       }
+}
+
+static void query_services( mlt_repository repo, mlt_service_type type )
+{
+       mlt_properties services = NULL;
+       char *typestr = NULL;
+       switch ( type )
+       {
+               case consumer_type:
+                       services = mlt_repository_consumers( repo );
+                       typestr = "consumers";
+                       break;
+               case filter_type:
+                       services = mlt_repository_filters( repo );
+                       typestr = "filters";
+                       break;
+               case producer_type:
+                       services = mlt_repository_producers( repo );
+                       typestr = "producers";
+                       break;
+               case transition_type:
+                       services = mlt_repository_transitions( repo );
+                       typestr = "transitions";
+                       break;
+               default:
+                       return;
+       }
+       fprintf( stderr, "---\n%s:\n", typestr );
+       if ( services )
+       {
+               int j;
+               for ( j = 0; j < mlt_properties_count( services ); j++ )
+                       fprintf( stderr, "  - %s\n", mlt_properties_get_name( services, j ) );
+       }
+       fprintf( stderr, "...\n" );
+}
+
 int main( int argc, char **argv )
 {
        int i;
@@ -283,7 +333,7 @@ int main( int argc, char **argv )
 #endif
 
        // Construct the factory
-       mlt_factory_init( NULL );
+       mlt_repository repo = mlt_factory_init( NULL );
 
        for ( i = 1; i < argc; i ++ )
        {
@@ -307,6 +357,45 @@ int main( int argc, char **argv )
                        if ( pname && pname[0] != '-' )
                                profile = mlt_profile_init( pname );
                }
+               // Look for the query option
+               else if ( !strcmp( argv[ i ], "-query" ) )
+               {
+                       const char *pname = argv[ ++ i ];
+                       if ( pname && pname[0] != '-' )
+                       {
+                               if ( !strcmp( pname, "consumers" ) || !strcmp( pname, "consumer" ) )
+                                       query_services( repo, consumer_type );
+                               else if ( !strcmp( pname, "filters" ) || !strcmp( pname, "filter" ) )
+                                       query_services( repo, filter_type );
+                               else if ( !strcmp( pname, "producers" ) || !strcmp( pname, "producer" ) )
+                                       query_services( repo, producer_type );
+                               else if ( !strcmp( pname, "transitions" ) || !strcmp( pname, "transition" ) )
+                                       query_services( repo, transition_type );
+                               
+                               else if ( !strncmp( pname, "consumer=", 9 ) )
+                                       query_metadata( repo, consumer_type, "consumer", strchr( pname, '=' ) + 1 );
+                               else if ( !strncmp( pname, "filter=", 9 ) )
+                                       query_metadata( repo, filter_type, "filter", strchr( pname, '=' ) + 1 );
+                               else if ( !strncmp( pname, "producer=", 9 ) )
+                                       query_metadata( repo, producer_type, "producer", strchr( pname, '=' ) + 1 );
+                               else if ( !strncmp( pname, "transition=", 9 ) )
+                                       query_metadata( repo, transition_type, "transition", strchr( pname, '=' ) + 1 );
+                               else
+                                       goto query_all;
+                       }
+                       else
+                       {
+query_all:
+                               query_services( repo, consumer_type );
+                               query_services( repo, filter_type );
+                               query_services( repo, producer_type );
+                               query_services( repo, transition_type );
+                               fprintf( stderr, "# You can query the metadata for a specific service using:\n"
+                                       "# -query <type>=<identifer>\n"
+                                       "# where <type> is one of: consumer, filter, producer, or transition.\n" );
+                       }
+                       goto exit_factory;
+               }
        }
 
        // Create profile if not set explicitly
@@ -404,6 +493,8 @@ int main( int argc, char **argv )
        else
        {
                fprintf( stderr, "Usage: inigo [ -profile name ]\n"
+                                                "             [ -query [ consumers | filters | producers | transitions |\n"
+                                                "                      type=identifer ] ]\n"
                                                 "             [ -serialise [ filename.inigo ] ]\n"
                                                 "             [ -group [ name=value ]* ]\n"
                                                 "             [ -consumer id[:arg] [ name=value ]* [ silent=1 ] [ progress=1 ] ]\n"
@@ -429,6 +520,9 @@ int main( int argc, char **argv )
 
        // Close the factory
        mlt_profile_close( profile );
+
+exit_factory:
+               
        mlt_factory_close( );
 
        return 0;