* \brief Properties class definition
* \see mlt_properties_s
*
- * Copyright (C) 2003-2009 Ushodaya Enterprises Limited
+ * Copyright (C) 2003-2013 Ushodaya Enterprises Limited
* \author Charles Yates <charles.yates@pandora.be>
* \author Dan Dennedy <dan@dennedy.org>
*
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+// For strtod_l
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
#include "mlt_properties.h"
#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>
+#include <locale.h>
+#include <float.h>
+#define PRESETS_DIR "/presets"
/** \brief private implementation of the property list */
mlt_properties mirror;
int ref_count;
pthread_mutex_t mutex;
+ locale_t locale;
}
property_list;
self->child = child;
// Allocate the local structure
- self->local = calloc( sizeof( property_list ), 1 );
+ self->local = calloc( 1, sizeof( property_list ) );
// Increment the ref count
( ( property_list * )self->local )->ref_count = 1;
mlt_properties mlt_properties_new( )
{
// Construct a standalone properties object
- mlt_properties self = calloc( sizeof( struct mlt_properties_s ), 1 );
+ mlt_properties self = calloc( 1, sizeof( struct mlt_properties_s ) );
// Initialise self
mlt_properties_init( self, NULL );
return self;
}
+/** Set the numeric locale used for string/double conversions.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param locale the locale name
+ * \return true if error
+ */
+
+int mlt_properties_set_lcnumeric( mlt_properties self, const char *locale )
+{
+ int error = 0;
+
+ if ( self && locale )
+ {
+ property_list *list = self->local;
+
+#if defined(__linux__) || defined(__DARWIN__)
+ if ( list->locale )
+ freelocale( list->locale );
+ list->locale = newlocale( LC_NUMERIC_MASK, locale, NULL );
+#endif
+ error = list->locale == NULL;
+ }
+ else
+ error = 1;
+
+ return error;
+}
+
+/** Get the numeric locale for this properties object.
+ *
+ * Do not free the result.
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \return the locale name if this properties has a specific locale it is using, NULL otherwise
+ */
+
+const char* mlt_properties_get_lcnumeric( mlt_properties self )
+{
+ property_list *list = self->local;
+ const char *result = NULL;
+
+ if ( list->locale )
+ {
+#if defined(__DARWIN__)
+ result = querylocale( LC_NUMERIC, list->locale );
+#elif defined(__linux__)
+ result = list->locale->__names[ LC_NUMERIC ];
+#else
+ // TODO: not yet sure what to do on other platforms
+#endif
+ }
+ return result;
+}
+
+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 new line character from the string
+ int x = strlen( temp ) - 1;
+ if ( temp[x] == '\n' || temp[x] == '\r' )
+ temp[x] = '\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" ) ) + strlen( PRESETS_DIR ) + 1 );
+ strcpy( data, mlt_environment( "MLT_DATA" ) );
+ strcat( data, PRESETS_DIR );
+ }
+ 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.
static inline int generate_hash( const char *name )
{
- int hash = 0;
- int i = 1;
+ unsigned int hash = 5381;
while ( *name )
- hash = ( hash + ( i ++ * ( *name ++ & 31 ) ) ) % 199;
- return hash;
+ hash = hash * 33 + (unsigned int) ( *name ++ );
+ return hash % 199;
}
/** Copy a serializable property to a properties list that is mirroring this one.
static inline void mlt_properties_do_mirror( mlt_properties self, const char *name )
{
+ if ( !self ) return;
property_list *list = self->local;
if ( list->mirror != NULL )
{
void mlt_properties_mirror( mlt_properties self, mlt_properties that )
{
+ if ( !self ) return;
property_list *list = self->local;
list->mirror = that;
}
* \public \memberof mlt_properties_s
* \param self The properties to copy to
* \param that The properties to copy from
- * \return false
+ * \return true if error
*/
int mlt_properties_inherit( mlt_properties self, mlt_properties that )
{
+ if ( !self || !that ) return 1;
int count = mlt_properties_count( that );
int i = 0;
for ( i = 0; i < count; i ++ )
/** Pass all serializable properties that match a prefix to another properties object
*
+ * \warning The prefix is stripped from the name when it is set on the \p self properties list!
+ * For example a property named "foo.bar" will match prefix "foo.", but the property
+ * will be named simply "bar" on the receiving properties object.
* \public \memberof mlt_properties_s
* \param self the properties to copy to
* \param that The properties to copy from
* \param prefix the property names to match (required)
- * \return false
+ * \return true if error
*/
int mlt_properties_pass( mlt_properties self, mlt_properties that, const char *prefix )
{
+ if ( !self || !that ) return 1;
int count = mlt_properties_count( that );
int length = strlen( prefix );
int i = 0;
static inline mlt_property mlt_properties_find( mlt_properties self, const char *name )
{
+ if ( !self || !name ) return NULL;
property_list *list = self->local;
mlt_property value = NULL;
int key = generate_hash( name );
- int i = list->hash[ key ] - 1;
+ mlt_properties_lock( self );
+
+ int i = list->hash[ key ] - 1;
if ( i >= 0 )
{
// Check if we're hashed
if ( name[ 0 ] == list->name[ i ][ 0 ] && !strcmp( list->name[ i ], name ) )
value = list->value[ i ];
}
+ mlt_properties_unlock( self );
return value;
}
{
property_list *list = self->local;
int key = generate_hash( name );
+ mlt_property result;
+
+ mlt_properties_lock( self );
// Check that we have space and resize if necessary
if ( list->count == list->size )
list->hash[ key ] = list->count + 1;
// Return and increment count accordingly
- return list->value[ list->count ++ ];
+ result = list->value[ list->count ++ ];
+
+ mlt_properties_unlock( self );
+
+ return result;
}
/** Fetch a property by name and add one if not found.
* \param self the properties to copy to
* \param that the properties to copy from
* \param list a delimited list of property names
- * \return false
+ * \return true if error
*/
int mlt_properties_pass_list( mlt_properties self, mlt_properties that, const char *list )
{
+ if ( !self || !that || !list ) return 1;
char *props = strdup( list );
char *ptr = props;
const char *delim = " ,\t\n"; // Any combination of spaces, commas, tabs, and newlines
mlt_properties_pass_property( self, that, ptr );
ptr += count + 1;
- ptr += strspn( ptr, delim );
+ if ( !done )
+ ptr += strspn( ptr, delim );
}
free( props );
/** 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
{
int error = 1;
+ if ( !self || !name ) return error;
+
// Fetch the property to work with
mlt_property property = mlt_properties_fetch( self, name );
{
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 ] == '@' )
{
// Determine the value
if ( isdigit( id[ 0 ] ) )
- current = atof( id );
+ {
+#if defined(__GLIBC__) || defined(__DARWIN__)
+ property_list *list = self->local;
+ if ( list->locale )
+ current = strtod_l( id, NULL, list->locale );
+ else
+#endif
+ current = strtod( id, NULL );
+ }
else
+ {
current = mlt_properties_get_double( self, id );
+ }
// Apply the operation
switch( op )
char *mlt_properties_get( mlt_properties self, const char *name )
{
+ char *result = NULL;
mlt_property value = mlt_properties_find( self, name );
- return value == NULL ? NULL : mlt_property_get_string( value );
+ if ( value )
+ {
+ property_list *list = self->local;
+ result = mlt_property_get_string_l( value, list->locale );
+ }
+ return result;
}
/** Get a property name by index.
char *mlt_properties_get_name( mlt_properties self, int index )
{
+ if ( !self ) return NULL;
property_list *list = self->local;
if ( index >= 0 && index < list->count )
return list->name[ index ];
char *mlt_properties_get_value( mlt_properties self, int index )
{
+ if ( !self ) return NULL;
property_list *list = self->local;
if ( index >= 0 && index < list->count )
- return mlt_property_get_string( list->value[ index ] );
+ return mlt_property_get_string_l( list->value[ index ], list->locale );
return NULL;
}
void *mlt_properties_get_data_at( mlt_properties self, int index, int *size )
{
+ if ( !self ) return NULL;
property_list *list = self->local;
if ( index >= 0 && index < list->count )
return mlt_property_get_data( list->value[ index ], size );
*
* \public \memberof mlt_properties_s
* \param self a properties list
- * \return the number of property objects
+ * \return the number of property objects or -1 if error
*/
int mlt_properties_count( mlt_properties self )
{
+ if ( !self ) return -1;
property_list *list = self->local;
return list->count;
}
int mlt_properties_parse( mlt_properties self, const char *namevalue )
{
+ if ( !self ) return 1;
char *name = strdup( namevalue );
char *value = NULL;
int error = 0;
int mlt_properties_get_int( mlt_properties self, const char *name )
{
+ int result = 0;
mlt_property value = mlt_properties_find( self, name );
- return value == NULL ? 0 : mlt_property_get_int( value );
+ if ( value )
+ {
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ property_list *list = self->local;
+ result = mlt_property_get_int( value, fps, list->locale );
+ }
+ return result;
}
/** Set a property to an integer value.
{
int error = 1;
+ if ( !self || !name ) return error;
+
// Fetch the property to work with
mlt_property property = mlt_properties_fetch( self, name );
{
int error = 1;
+ if ( !self || !name ) return error;
+
// Fetch the property to work with
mlt_property property = mlt_properties_fetch( self, name );
double mlt_properties_get_double( mlt_properties self, const char *name )
{
+ double result = 0;
mlt_property value = mlt_properties_find( self, name );
- return value == NULL ? 0 : mlt_property_get_double( value );
+ if ( value )
+ {
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ property_list *list = self->local;
+ result = mlt_property_get_double( value, fps, list->locale );
+ }
+ return result;
}
/** Set a property to a floating point value.
{
int error = 1;
+ if ( !self || !name ) return error;
+
// Fetch the property to work with
mlt_property property = mlt_properties_fetch( self, name );
mlt_position mlt_properties_get_position( mlt_properties self, const char *name )
{
+ mlt_position result = 0;
mlt_property value = mlt_properties_find( self, name );
- return value == NULL ? 0 : mlt_property_get_position( value );
+ if ( value )
+ {
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ property_list *list = self->local;
+ result = mlt_property_get_position( value, fps, list->locale );
+ }
+ return result;
}
/** Set a property to a position value.
{
int error = 1;
+ if ( !self || !name ) return error;
+
// Fetch the property to work with
mlt_property property = mlt_properties_fetch( self, name );
* \param name the property to set
* \param value an opaque pointer to binary data
* \param length the size of the binary data in bytes (optional)
- * \param destroy a function to dellacate the binary data when the property is closed (optional)
+ * \param destroy a function to deallocate the binary data when the property is closed (optional)
* \param serialise a function that can serialize the binary data as text (optional)
* \return true if error
*/
{
int error = 1;
+ if ( !self || !name ) return error;
+
// Fetch the property to work with
mlt_property property = mlt_properties_fetch( self, name );
int i = 0;
// Locate the item
+ mlt_properties_lock( self );
for ( i = 0; i < list->count; i ++ )
{
if ( !strcmp( list->name[ i ], source ) )
break;
}
}
+ mlt_properties_unlock( self );
}
return value != NULL;
void mlt_properties_dump( mlt_properties self, FILE *output )
{
+ if ( !self || !output ) return;
property_list *list = self->local;
int i = 0;
for ( i = 0; i < list->count; i ++ )
*/
void mlt_properties_debug( mlt_properties self, const char *title, FILE *output )
{
+ if ( !self || !output ) return;
if ( output == NULL ) output = stderr;
fprintf( output, "%s: ", title );
if ( self != NULL )
int mlt_properties_save( mlt_properties self, const char *filename )
{
int error = 1;
+ if ( !self || !filename ) return error;
FILE *f = fopen( filename, "w" );
if ( f != NULL )
{
static int mlt_compare( const void *self, const void *that )
{
- return strcmp( mlt_property_get_string( *( const mlt_property * )self ), mlt_property_get_string( *( const mlt_property * )that ) );
+ return strcmp( mlt_property_get_string( *( const mlt_property * )self ), mlt_property_get_string( *( const mlt_property * )that ) );
}
/** Get the contents of a directory.
if ( sort && mlt_properties_count( self ) )
{
property_list *list = self->local;
+ mlt_properties_lock( self );
qsort( list->value, mlt_properties_count( self ), sizeof( mlt_property ), mlt_compare );
+ mlt_properties_unlock( self );
}
return mlt_properties_count( self );
// Clean up names and values
for ( index = list->count - 1; index >= 0; index -- )
{
- free( list->name[ index ] );
mlt_property_close( list->value[ index ] );
+ free( list->name[ index ] );
}
+#if defined(__linux__) || defined(__DARWIN__)
+ // Cleanup locale
+ if ( list->locale )
+ freelocale( list->locale );
+#endif
+
// Clear up the list
pthread_mutex_destroy( &list->mutex );
free( list->name );
{
mlt_deque stack;
unsigned int level;
- unsigned int index;
+ int index;
+ mlt_deque index_stack;
char block;
char *block_name;
unsigned int block_indent;
int error = 0;
char *ptr = strchr( name, ':' );
unsigned int indent = ltrim( &name );
- mlt_properties properties = mlt_deque_peek_front( context->stack );
+ mlt_properties properties = mlt_deque_peek_back( context->stack );
// Ascending one more levels in the tree
if ( indent < context->level )
unsigned int i;
unsigned int n = ( context->level - indent ) / 2;
for ( i = 0; i < n; i++ )
- mlt_deque_pop_front( context->stack );
- properties = mlt_deque_peek_front( context->stack );
+ {
+ mlt_deque_pop_back( context->stack );
+ context->index = mlt_deque_pop_back_int( context->index_stack );
+ }
+ properties = mlt_deque_peek_back( context->stack );
context->level = indent;
}
if ( strcmp( ptr, "" ) == 0 )
{
mlt_properties child = mlt_properties_new();
+ mlt_properties_set_lcnumeric( child, mlt_properties_get_lcnumeric( properties ) );
mlt_properties_set_data( properties, name, child, 0,
( mlt_destructor )mlt_properties_close, NULL );
- mlt_deque_push_front( context->stack, child );
+ mlt_deque_push_back( context->stack, child );
+ mlt_deque_push_back_int( context->index_stack, context->index );
context->index = 0;
free( name_ );
return error;
mlt_properties child = mlt_properties_new();
char key[20];
+ mlt_properties_set_lcnumeric( child, mlt_properties_get_lcnumeric( properties ) );
snprintf( key, sizeof(key), "%d", context->index++ );
mlt_properties_set_data( properties, key, child, 0,
( mlt_destructor )mlt_properties_close, NULL );
- mlt_deque_push_front( context->stack, child );
+ mlt_deque_push_back( context->stack, child );
+ mlt_deque_push_back_int( context->index_stack, context->index );
name ++;
context->level += ltrim( &name ) + 1;
error = mlt_properties_set( properties, name, value );
+ if ( !strcmp( name, "LC_NUMERIC" ) )
+ mlt_properties_set_lcnumeric( properties, value );
+
free( name_ );
free( value );
char temp[ 1024 ];
char *ptemp = &temp[ 0 ];
+ // Default to LC_NUMERIC = C
+ mlt_properties_set_lcnumeric( self, "C" );
+
// Parser context
yaml_parser context = calloc( 1, sizeof( struct yaml_parser_context ) );
context->stack = mlt_deque_init();
- mlt_deque_push_front( context->stack, self );
+ context->index_stack = mlt_deque_init();
+ mlt_deque_push_back( context->stack, self );
+ mlt_deque_push_back_int( context->index_stack, 0 );
// Read each string from the file
while( fgets( temp, 1024, file ) )
// Close the file
fclose( file );
mlt_deque_close( context->stack );
+ mlt_deque_close( context->index_stack );
if ( context->block_name )
free( context->block_name );
free( context );
strbuf_printf( output, " " );
}
+static void strbuf_escape( strbuf output, const char *value, char c )
+{
+ char *v = strdup( value );
+ char *s = v;
+ char *found = strchr( s, c );
+
+ while ( found )
+ {
+ *found = '\0';
+ strbuf_printf( output, "%s\\%c", s, c );
+ s = found + 1;
+ found = strchr( s, c );
+ }
+ strbuf_printf( output, "%s", s );
+ free( v );
+}
+
/** Convert a line string into a YAML block literal.
*
* \private \memberof strbuf_s
}
indent_yaml( output, indent );
strbuf_printf( output, "%s\n", sol );
+ free( v );
}
/** Recursively serialize a properties list into a string buffer as YAML Tiny.
strbuf_printf( output, "|\n" );
output_yaml_block_literal( output, value, indent + strlen( list->name[ i ] ) + strlen( "|" ) );
}
+ else if ( strchr( value, ':' ) || strchr( value, '[' ) )
+ {
+ strbuf_printf( output, "\"" );
+ strbuf_escape( output, value, '"' );
+ strbuf_printf( output, "\"\n", value );
+ }
else
{
strbuf_printf( output, "%s\n", value );
strbuf_printf( output, "%s: |\n", list->name[ i ] );
output_yaml_block_literal( output, value, indent + strlen( list->name[ i ] ) + strlen( ": " ) );
}
+ else if ( strchr( value, ':' ) || strchr( value, '[' ) )
+ {
+ strbuf_printf( output, "%s: \"", list->name[ i ] );
+ strbuf_escape( output, value, '"' );
+ strbuf_printf( output, "\"\n" );
+ }
else
{
strbuf_printf( output, "%s: %s\n", list->name[ i ], value );
char *mlt_properties_serialise_yaml( mlt_properties self )
{
+ if ( !self ) return NULL;
+ const char *lc_numeric = mlt_properties_get_lcnumeric( self );
strbuf b = strbuf_new();
strbuf_printf( b, "---\n" );
+ mlt_properties_set_lcnumeric( self, "C" );
serialise_yaml( self, b, 0, 0 );
+ mlt_properties_set_lcnumeric( self, lc_numeric );
strbuf_printf( b, "...\n" );
char *ret = b->string;
strbuf_close( b );
return ret;
}
+
+/** Protect a properties list against concurrent access.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ */
+
+void mlt_properties_lock( mlt_properties self )
+{
+ if ( self )
+ pthread_mutex_lock( &( ( property_list* )( self->local ) )->mutex );
+}
+
+/** End protecting a properties list against concurrent access.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ */
+
+void mlt_properties_unlock( mlt_properties self )
+{
+ if ( self )
+ pthread_mutex_unlock( &( ( property_list* )( self->local ) )->mutex );
+}
+
+/** Get a time string associated to the name.
+ *
+ * Do not free the returned string. It's lifetime is controlled by the property.
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to get
+ * \param format the time format that you want
+ * \return the property's time value or NULL if \p name does not exist or there is no profile
+ */
+
+char *mlt_properties_get_time( mlt_properties self, const char* name, mlt_time_format format )
+{
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ if ( profile )
+ {
+ double fps = mlt_profile_fps( profile );
+ mlt_property value = mlt_properties_find( self, name );
+ property_list *list = self->local;
+ return value == NULL ? NULL : mlt_property_get_time( value, format, fps, list->locale );
+ }
+ return NULL;
+}
+
+/** Convert a frame count to a time string.
+ *
+ * Do not free the returned string. It's lifetime is controlled by the property.
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param frames the frame count to convert
+ * \param format the time format that you want
+ * \return the time string or NULL if error, e.g. there is no profile
+ */
+
+char *mlt_properties_frames_to_time( mlt_properties self, mlt_position frames, mlt_time_format format )
+{
+ const char *name = "_mlt_properties_time";
+ mlt_properties_set_position( self, name, frames );
+ return mlt_properties_get_time( self, name, format );
+}
+
+/** Convert a time string to a frame count.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param time the time string to convert
+ * \return a frame count or a negative value if error, e.g. there is no profile
+ */
+
+mlt_position mlt_properties_time_to_frames( mlt_properties self, const char *time )
+{
+ const char *name = "_mlt_properties_time";
+ mlt_properties_set( self, name, time );
+ return mlt_properties_get_position( self, name );
+}
+
+/** Convert a numeric property to a tuple of color components.
+ *
+ * If the property's string is red, green, blue, white, or black, then it
+ * is converted to the corresponding opaque color tuple. Otherwise, the property
+ * is fetched as an integer and then converted.
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to get
+ * \return a color structure
+ */
+
+mlt_color mlt_properties_get_color( mlt_properties self, const char* name )
+{
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ property_list *list = self->local;
+ mlt_property value = mlt_properties_find( self, name );
+ mlt_color result = { 0xff, 0xff, 0xff, 0xff };
+ if ( value )
+ {
+ const char *color = mlt_property_get_string_l( value, list->locale );
+ unsigned int color_int = mlt_property_get_int( value, fps, list->locale );
+
+ if ( !strcmp( color, "red" ) )
+ {
+ result.r = 0xff;
+ result.g = 0x00;
+ result.b = 0x00;
+ }
+ else if ( !strcmp( color, "green" ) )
+ {
+ result.r = 0x00;
+ result.g = 0xff;
+ result.b = 0x00;
+ }
+ else if ( !strcmp( color, "blue" ) )
+ {
+ result.r = 0x00;
+ result.g = 0x00;
+ result.b = 0xff;
+ }
+ else if ( !strcmp( color, "black" ) )
+ {
+ result.r = 0x00;
+ result.g = 0x00;
+ result.b = 0x00;
+ }
+ else if ( strcmp( color, "white" ) )
+ {
+ result.r = ( color_int >> 24 ) & 0xff;
+ result.g = ( color_int >> 16 ) & 0xff;
+ result.b = ( color_int >> 8 ) & 0xff;
+ result.a = ( color_int ) & 0xff;
+ }
+ }
+ return result;
+}
+
+/** Set a property to an integer value by color.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to set
+ * \param color the color
+ * \return true if error
+ */
+
+int mlt_properties_set_color( mlt_properties self, const char *name, mlt_color color )
+{
+ int error = 1;
+
+ if ( !self || !name ) return error;
+
+ // Fetch the property to work with
+ mlt_property property = mlt_properties_fetch( self, name );
+
+ // Set it if not NULL
+ if ( property != NULL )
+ {
+ uint32_t value = ( color.r << 24 ) | ( color.g << 16 ) | ( color.b << 8 ) | color.a;
+ error = mlt_property_set_int( property, value );
+ mlt_properties_do_mirror( self, name );
+ }
+
+ mlt_events_fire( self, "property-changed", name, NULL );
+
+ return error;
+}
+
+/** Get a string value by name at a frame position.
+ *
+ * Do not free the returned string. It's lifetime is controlled by the property
+ * and this properties object.
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to get
+ * \param position the frame number
+ * \param length the maximum number of frames when interpreting negative keyframe times,
+ * <=0 if you don't care or need that
+ * \return the property's string value or NULL if it does not exist
+ */
+
+char* mlt_properties_anim_get( mlt_properties self, const char *name, int position, int length )
+{
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ mlt_property value = mlt_properties_find( self, name );
+ property_list *list = self->local;
+ return value == NULL ? NULL : mlt_property_anim_get_string( value, fps, list->locale, position, length );
+}
+
+/** Set a property to a string at a frame position.
+ *
+ * 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
+ * \param self a properties list
+ * \param name the property to set
+ * \param value the property's new value
+ * \param position the frame number
+ * \param length the maximum number of frames when interpreting negative keyframe times,
+ * <=0 if you don't care or need that
+ * \return true if error
+ */
+
+int mlt_properties_anim_set( mlt_properties self, const char *name, const char *value, int position, int length )
+{
+ int error = 1;
+
+ if ( !self || !name ) return error;
+
+ // Fetch the property to work with
+ mlt_property property = mlt_properties_fetch( self, name );
+
+ // Set it if not NULL
+ if ( property )
+ {
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ property_list *list = self->local;
+ error = mlt_property_anim_set_string( property, value,
+ fps, list->locale, position, length );
+ mlt_properties_do_mirror( self, name );
+ }
+
+ mlt_events_fire( self, "property-changed", name, NULL );
+
+ return error;
+}
+
+/** Get an integer associated to the name at a frame position.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to get
+ * \param position the frame number
+ * \param length the maximum number of frames when interpreting negative keyframe times,
+ * <=0 if you don't care or need that
+ * \return the integer value, 0 if not found (which may also be a legitimate value)
+ */
+
+int mlt_properties_anim_get_int( mlt_properties self, const char *name, int position, int length )
+{
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ property_list *list = self->local;
+ mlt_property value = mlt_properties_find( self, name );
+ return value == NULL ? 0 : mlt_property_anim_get_int( value, fps, list->locale, position, length );
+}
+
+/** Set a property to an integer value at a frame position.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to set
+ * \param value the integer
+ * \param position the frame number
+ * \param length the maximum number of frames when interpreting negative keyframe times,
+ * <=0 if you don't care or need that
+ * \param keyframe_type the interpolation method for this keyframe
+ * \return true if error
+ */
+
+int mlt_properties_anim_set_int( mlt_properties self, const char *name, int value,
+ int position, int length, mlt_keyframe_type keyframe_type )
+{
+ int error = 1;
+
+ if ( !self || !name ) return error;
+
+ // Fetch the property to work with
+ mlt_property property = mlt_properties_fetch( self, name );
+
+ // Set it if not NULL
+ if ( property != NULL )
+ {
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ property_list *list = self->local;
+ error = mlt_property_anim_set_int( property, value, fps, list->locale, position, length, keyframe_type );
+ mlt_properties_do_mirror( self, name );
+ }
+
+ mlt_events_fire( self, "property-changed", name, NULL );
+
+ return error;
+}
+
+/** Get a real number associated to the name at a frame position.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to get
+ * \param position the frame number
+ * \param length the maximum number of frames when interpreting negative keyframe times,
+ * <=0 if you don't care or need that
+ * \return the real number, 0 if not found (which may also be a legitimate value)
+ */
+
+double mlt_properties_anim_get_double( mlt_properties self, const char *name, int position, int length )
+{
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ property_list *list = self->local;
+ mlt_property value = mlt_properties_find( self, name );
+ return value == NULL ? 0.0 : mlt_property_anim_get_double( value, fps, list->locale, position, length );
+}
+
+/** Set a property to a real number at a frame position.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to set
+ * \param value the real number
+ * \param position the frame number
+ * \param length the maximum number of frames when interpreting negative keyframe times,
+ * <=0 if you don't care or need that
+ * \param keyframe_type the interpolation method for this keyframe
+ * \return true if error
+ */
+
+int mlt_properties_anim_set_double( mlt_properties self, const char *name, double value,
+ int position, int length, mlt_keyframe_type keyframe_type )
+{
+ int error = 1;
+
+ if ( !self || !name ) return error;
+
+ // Fetch the property to work with
+ mlt_property property = mlt_properties_fetch( self, name );
+
+ // Set it if not NULL
+ if ( property != NULL )
+ {
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ property_list *list = self->local;
+ error = mlt_property_anim_set_double( property, value, fps, list->locale, position, length, keyframe_type );
+ mlt_properties_do_mirror( self, name );
+ }
+
+ mlt_events_fire( self, "property-changed", name, NULL );
+
+ return error;
+}
+
+/** Get the animation associated to the name.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to get
+ * \return The animation object or NULL if the property has no animation
+ */
+
+mlt_animation mlt_properties_get_animation( mlt_properties self, const char *name )
+{
+ mlt_property value = mlt_properties_find( self, name );
+ return value == NULL ? NULL : mlt_property_get_animation( value );
+}
+
+/** Set a property to a rectangle value.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to set
+ * \param value the rectangle
+ * \return true if error
+ */
+
+extern int mlt_properties_set_rect( mlt_properties self, const char *name, mlt_rect value )
+{
+ int error = 1;
+
+ if ( !self || !name ) return error;
+
+ // Fetch the property to work with
+ mlt_property property = mlt_properties_fetch( self, name );
+
+ // Set it if not NULL
+ if ( property != NULL )
+ {
+ error = mlt_property_set_rect( property, value );
+ mlt_properties_do_mirror( self, name );
+ }
+
+ mlt_events_fire( self, "property-changed", name, NULL );
+
+ return error;
+}
+
+/** Get a rectangle associated to the name.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to get
+ * \return the rectangle value, the rectangle fields will be DBL_MIN if not found
+ */
+
+extern mlt_rect mlt_properties_get_rect( mlt_properties self, const char* name )
+{
+ property_list *list = self->local;
+ mlt_property value = mlt_properties_find( self, name );
+ mlt_rect rect = { DBL_MIN, DBL_MIN, DBL_MIN, DBL_MIN, DBL_MIN };
+ return value == NULL ? rect : mlt_property_get_rect( value, list->locale );
+}
+
+/** Set a property to a rectangle value at a frame position.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to set
+ * \param value the rectangle
+ * \param position the frame number
+ * \param length the maximum number of frames when interpreting negative keyframe times,
+ * <=0 if you don't care or need that
+ * \param keyframe_type the interpolation method for this keyframe
+ * \return true if error
+ */
+
+extern int mlt_properties_anim_set_rect( mlt_properties self, const char *name, mlt_rect value,
+ int position, int length , mlt_keyframe_type keyframe_type )
+{
+ int error = 1;
+
+ if ( !self || !name ) return error;
+
+ // Fetch the property to work with
+ mlt_property property = mlt_properties_fetch( self, name );
+
+ // Set it if not NULL
+ if ( property != NULL )
+ {
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ property_list *list = self->local;
+ error = mlt_property_anim_set_rect( property, value, fps, list->locale, position, length, keyframe_type );
+ mlt_properties_do_mirror( self, name );
+ }
+
+ mlt_events_fire( self, "property-changed", name, NULL );
+
+ return error;
+}
+
+/** Get a rectangle associated to the name at a frame position.
+ *
+ * \public \memberof mlt_properties_s
+ * \param self a properties list
+ * \param name the property to get
+ * \param position the frame number
+ * \param length the maximum number of frames when interpreting negative keyframe times,
+ * <=0 if you don't care or need that
+ * \return the rectangle value, the rectangle fields will be DBL_MIN if not found
+ */
+
+extern mlt_rect mlt_properties_anim_get_rect( mlt_properties self, const char *name, int position, int length )
+{
+ mlt_profile profile = mlt_properties_get_data( self, "_profile", NULL );
+ double fps = mlt_profile_fps( profile );
+ property_list *list = self->local;
+ mlt_property value = mlt_properties_find( self, name );
+ mlt_rect rect = { DBL_MIN, DBL_MIN, DBL_MIN, DBL_MIN, DBL_MIN };
+ return value == NULL ? rect : mlt_property_anim_get_rect( value, fps, list->locale, position, length );
+}
projects / mlt / blobdiff