#include "mlt_property.h"
#include "mlt_deque.h"
#include "mlt_log.h"
+#include "mlt_factory.h"
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <sys/types.h>
#include <dirent.h>
-
+#include <sys/stat.h>
+#include <errno.h>
/** \brief private implementation of the property list */
return self;
}
+static int load_properties( mlt_properties self, const char *filename )
+{
+ // Open the file
+ FILE *file = fopen( filename, "r" );
+
+ // Load contents of file
+ if ( file != NULL )
+ {
+ // Temp string
+ char temp[ 1024 ];
+ char last[ 1024 ] = "";
+
+ // Read each string from the file
+ while( fgets( temp, 1024, file ) )
+ {
+ // Chomp the string
+ temp[ strlen( temp ) - 1 ] = '\0';
+
+ // Check if the line starts with a .
+ if ( temp[ 0 ] == '.' )
+ {
+ char temp2[ 1024 ];
+ sprintf( temp2, "%s%s", last, temp );
+ strcpy( temp, temp2 );
+ }
+ else if ( strchr( temp, '=' ) )
+ {
+ strcpy( last, temp );
+ *( strchr( last, '=' ) ) = '\0';
+ }
+
+ // Parse and set the property
+ if ( strcmp( temp, "" ) && temp[ 0 ] != '#' )
+ mlt_properties_parse( self, temp );
+ }
+
+ // Close the file
+ fclose( file );
+ }
+ return file? 0 : errno;
+}
+
/** Create a properties object by reading a .properties text file.
*
* Free the properties object with mlt_properties_close().
* \deprecated Please start using mlt_properties_parse_yaml().
* \public \memberof mlt_properties_s
- * \param filename a string contain the absolute file name
+ * \param filename the absolute file name
* \return a new properties object
*/
mlt_properties self = mlt_properties_new( );
if ( self != NULL )
- {
- // Open the file
- FILE *file = fopen( filename, "r" );
+ load_properties( self, filename );
- // Load contents of file
- if ( file != NULL )
- {
- // Temp string
- char temp[ 1024 ];
- char last[ 1024 ] = "";
+ // Return the pointer
+ return self;
+}
- // Read each string from the file
- while( fgets( temp, 1024, file ) )
- {
- // Chomp the string
- temp[ strlen( temp ) - 1 ] = '\0';
+/** Set properties from a preset.
+ *
+ * Presets are typically installed to $prefix/share/mlt/presets/{type}/{service}/[{profile}/]{name}.
+ * For example, "/usr/share/mlt/presets/consumer/avformat/dv_ntsc_wide/DVD"
+ * could be an encoding preset for a widescreen NTSC DVD Video.
+ * Do not specify the type and service in the preset name parameter; these are
+ * inferred automatically from the service to which you are applying the preset.
+ * Using the example above and assuming you are calling this function on the
+ * avformat consumer, the name passed to the function should simply be DVD.
+ * Note that the profile portion of the path is optional, but a profile-specific
+ * preset with the same name as a more generic one is given a higher priority.
+ * \todo Look in a user-specific location - somewhere in the home directory.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the name of a preset in a well-known location or the explicit path
+ * \return true if error
+ */
- // Check if the line starts with a .
- if ( temp[ 0 ] == '.' )
- {
- char temp2[ 1024 ];
- sprintf( temp2, "%s%s", last, temp );
- strcpy( temp, temp2 );
- }
- else if ( strchr( temp, '=' ) )
- {
- strcpy( last, temp );
- *( strchr( last, '=' ) ) = '\0';
- }
+int mlt_properties_preset( mlt_properties self, const char *name )
+{
+ struct stat stat_buff;
- // Parse and set the property
- if ( strcmp( temp, "" ) && temp[ 0 ] != '#' )
- mlt_properties_parse( self, temp );
- }
+ // validate input
+ if ( !( self && name && strlen( name ) ) )
+ return 1;
- // Close the file
- fclose( file );
+ // See if name is an explicit file
+ if ( ! stat( name, &stat_buff ) )
+ {
+ return load_properties( self, name );
+ }
+ else
+ {
+ // Look for profile-specific preset before a generic one.
+ char *data = getenv( "MLT_PRESETS_PATH" );
+ const char *type = mlt_properties_get( self, "mlt_type" );
+ const char *service = mlt_properties_get( self, "mlt_service" );
+ const char *profile = mlt_environment( "MLT_PROFILE" );
+ int error = 0;
+
+ if ( data )
+ {
+ data = strdup( data );
+ }
+ else
+ {
+ data = malloc( strlen( mlt_environment( "MLT_DATA" ) ) + 9 );
+ strcpy( data, mlt_environment( "MLT_DATA" ) );
+ strcat( data, "/presets" );
+ }
+ if ( data && type && service )
+ {
+ char *path = malloc( 5 + strlen(name) + strlen(data) + strlen(type) + strlen(service) + ( profile? strlen(profile) : 0 ) );
+ sprintf( path, "%s/%s/%s/%s/%s", data, type, service, profile, name );
+ if ( load_properties( self, path ) )
+ {
+ sprintf( path, "%s/%s/%s/%s", data, type, service, name );
+ error = load_properties( self, path );
+ }
+ free( path );
+ }
+ else
+ {
+ error = 1;
}
+ free( data );
+ return error;
}
-
- // Return the pointer
- return self;
}
/** Generate a hash key.
/** Set a property to a string.
+ *
+ * The property name "properties" is reserved to load the preset in \p value.
+ * When the value begins with '@' then it is interpreted as a very simple math
+ * expression containing only the +, -, *, and / operators.
+ * The event "property-changed" is fired after the property has been set.
*
* This makes a copy of the string value you supply.
* \public \memberof mlt_properties_s
{
error = mlt_property_set_string( property, value );
mlt_properties_do_mirror( self, name );
+ if ( !strcmp( name, "properties" ) )
+ mlt_properties_preset( self, value );
}
else if ( value[ 0 ] == '@' )
{
projects / mlt / blobdiff