X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_properties.c;h=9fd2025ed78a25baaeead3c2958de01c12070163;hb=206ff6b48bd54bee6d1ac679c352296f374c7590;hp=ab2c206fc70bb7a08bd8047b887efcef8c3bd91d;hpb=4a39b72c5ac8fd2dd6db81a95eab08adde0491b9;p=melted diff --git a/src/framework/mlt_properties.c b/src/framework/mlt_properties.c index ab2c206..9fd2025 100644 --- a/src/framework/mlt_properties.c +++ b/src/framework/mlt_properties.c @@ -47,7 +47,7 @@ property_list; /** Memory leak checks. */ -//#define _MLT_PROPERTY_CHECKS_ +//#define _MLT_PROPERTY_CHECKS_ 2 #ifdef _MLT_PROPERTY_CHECKS_ static int properties_created = 0; @@ -101,7 +101,7 @@ mlt_properties mlt_properties_new( ) /** Load properties from a file. */ -mlt_properties mlt_properties_load( char *filename ) +mlt_properties mlt_properties_load( const char *filename ) { // Construct a standalone properties object mlt_properties this = mlt_properties_new( ); @@ -116,6 +116,7 @@ mlt_properties mlt_properties_load( char *filename ) { // Temp string char temp[ 1024 ]; + char last[ 1024 ] = ""; // Read each string from the file while( fgets( temp, 1024, file ) ) @@ -123,6 +124,19 @@ mlt_properties mlt_properties_load( char *filename ) // 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( this, temp ); @@ -137,7 +151,7 @@ mlt_properties mlt_properties_load( char *filename ) return this; } -static inline int generate_hash( char *name ) +static inline int generate_hash( const char *name ) { int hash = 0; int i = 1; @@ -151,7 +165,7 @@ static inline int generate_hash( char *name ) real producer. */ -static inline void mlt_properties_do_mirror( mlt_properties this, char *name ) +static inline void mlt_properties_do_mirror( mlt_properties this, const char *name ) { property_list *list = this->local; if ( list->mirror != NULL ) @@ -188,7 +202,20 @@ int mlt_properties_dec_ref( mlt_properties this ) return 0; } -/** Allow the specification of a mirror. +/** Return the ref count of this object. +*/ + +int mlt_properties_ref_count( mlt_properties this ) +{ + if ( this != NULL ) + { + property_list *list = this->local; + return list->ref_count; + } + return 0; +} + +/** Mirror properties set on 'this' to 'that'. */ void mlt_properties_mirror( mlt_properties this, mlt_properties that ) @@ -219,7 +246,7 @@ int mlt_properties_inherit( mlt_properties this, mlt_properties that ) /** Pass all properties from 'that' that match the prefix to 'this' (excluding the prefix). */ -int mlt_properties_pass( mlt_properties this, mlt_properties that, char *prefix ) +int mlt_properties_pass( mlt_properties this, mlt_properties that, const char *prefix ) { int count = mlt_properties_count( that ); int length = strlen( prefix ); @@ -237,10 +264,11 @@ int mlt_properties_pass( mlt_properties this, mlt_properties that, char *prefix return 0; } + /** Locate a property by name */ -static inline mlt_property mlt_properties_find( mlt_properties this, char *name ) +static inline mlt_property mlt_properties_find( mlt_properties this, const char *name ) { property_list *list = this->local; mlt_property value = NULL; @@ -267,7 +295,7 @@ static inline mlt_property mlt_properties_find( mlt_properties this, char *name /** Add a new property. */ -static mlt_property mlt_properties_add( mlt_properties this, char *name ) +static mlt_property mlt_properties_add( mlt_properties this, const char *name ) { property_list *list = this->local; int key = generate_hash( name ); @@ -276,7 +304,7 @@ static mlt_property mlt_properties_add( mlt_properties this, char *name ) if ( list->count == list->size ) { list->size += 50; - list->name = realloc( list->name, list->size * sizeof( char * ) ); + list->name = realloc( list->name, list->size * sizeof( const char * ) ); list->value = realloc( list->value, list->size * sizeof( mlt_property ) ); } @@ -295,7 +323,7 @@ static mlt_property mlt_properties_add( mlt_properties this, char *name ) /** Fetch a property by name - this includes add if not found. */ -static mlt_property mlt_properties_fetch( mlt_properties this, char *name ) +static mlt_property mlt_properties_fetch( mlt_properties this, const char *name ) { // Try to find an existing property first mlt_property property = mlt_properties_find( this, name ); @@ -308,10 +336,56 @@ static mlt_property mlt_properties_fetch( mlt_properties this, char *name ) return property; } +/** Pass property 'name' from 'that' to 'this' +* Who to blame: Zach +*/ + +void mlt_properties_pass_property( mlt_properties this, mlt_properties that, const char *name ) +{ + // Make sure the source property isn't null. + mlt_property that_prop = mlt_properties_find( that, name ); + if( that_prop == NULL ) + return; + + mlt_property_pass( mlt_properties_fetch( this, name ), that_prop ); +} + +/** Pass all properties from 'that' to 'this' as found in comma seperated 'list'. +* Who to blame: Zach +*/ + +int mlt_properties_pass_list( mlt_properties this, mlt_properties that, const char *list ) +{ + char *props = strdup( list ); + char *ptr = props; + char *delim = " ,\t\n"; // Any combination of spaces, commas, tabs, and newlines + int count, done = 0; + + while( !done ) + { + count = strcspn( ptr, delim ); + + if( ptr[count] == '\0' ) + done = 1; + else + ptr[count] = '\0'; // Make it a real string + + mlt_properties_pass_property( this, that, ptr ); + + ptr += count + 1; + ptr += strspn( ptr, delim ); + } + + free( props ); + + return 0; +} + + /** Set the property. */ -int mlt_properties_set( mlt_properties this, char *name, char *value ) +int mlt_properties_set( mlt_properties this, const char *name, const char *value ) { int error = 1; @@ -319,12 +393,21 @@ int mlt_properties_set( mlt_properties this, char *name, char *value ) mlt_property property = mlt_properties_fetch( this, name ); // Set it if not NULL - if ( property != NULL && ( value == NULL || value[ 0 ] != '@' ) ) + if ( property == NULL ) + { + fprintf( stderr, "Whoops - %s not found (should never occur)\n", name ); + } + else if ( value == NULL ) + { + error = mlt_property_set_string( property, value ); + mlt_properties_do_mirror( this, name ); + } + else if ( *value != '@' ) { error = mlt_property_set_string( property, value ); mlt_properties_do_mirror( this, name ); } - else if ( property != NULL && value[ 0 ] == '@' ) + else if ( value[ 0 ] == '@' ) { int total = 0; int current = 0; @@ -381,7 +464,7 @@ int mlt_properties_set( mlt_properties this, char *name, char *value ) /** Set or default the property. */ -int mlt_properties_set_or_default( mlt_properties this, char *name, char *value, char *def ) +int mlt_properties_set_or_default( mlt_properties this, const char *name, const char *value, const char *def ) { return mlt_properties_set( this, name, value == NULL ? def : value ); } @@ -389,7 +472,7 @@ int mlt_properties_set_or_default( mlt_properties this, char *name, char *value, /** Get a string value by name. */ -char *mlt_properties_get( mlt_properties this, char *name ) +char *mlt_properties_get( mlt_properties this, const char *name ) { mlt_property value = mlt_properties_find( this, name ); return value == NULL ? NULL : mlt_property_get_string( value ); @@ -440,7 +523,7 @@ int mlt_properties_count( mlt_properties this ) /** Set a value by parsing a name=value string */ -int mlt_properties_parse( mlt_properties this, char *namevalue ) +int mlt_properties_parse( mlt_properties this, const char *namevalue ) { char *name = strdup( namevalue ); char *value = NULL; @@ -479,7 +562,7 @@ int mlt_properties_parse( mlt_properties this, char *namevalue ) /** Get a value associated to the name. */ -int mlt_properties_get_int( mlt_properties this, char *name ) +int mlt_properties_get_int( mlt_properties this, const char *name ) { mlt_property value = mlt_properties_find( this, name ); return value == NULL ? 0 : mlt_property_get_int( value ); @@ -488,7 +571,7 @@ int mlt_properties_get_int( mlt_properties this, char *name ) /** Set a value associated to the name. */ -int mlt_properties_set_int( mlt_properties this, char *name, int value ) +int mlt_properties_set_int( mlt_properties this, const char *name, int value ) { int error = 1; @@ -510,7 +593,38 @@ int mlt_properties_set_int( mlt_properties this, char *name, int value ) /** Get a value associated to the name. */ -double mlt_properties_get_double( mlt_properties this, char *name ) +int64_t mlt_properties_get_int64( mlt_properties this, const char *name ) +{ + mlt_property value = mlt_properties_find( this, name ); + return value == NULL ? 0 : mlt_property_get_int64( value ); +} + +/** Set a value associated to the name. +*/ + +int mlt_properties_set_int64( mlt_properties this, const char *name, int64_t value ) +{ + int error = 1; + + // Fetch the property to work with + mlt_property property = mlt_properties_fetch( this, name ); + + // Set it if not NULL + if ( property != NULL ) + { + error = mlt_property_set_int64( property, value ); + mlt_properties_do_mirror( this, name ); + } + + mlt_events_fire( this, "property-changed", name, NULL ); + + return error; +} + +/** Get a value associated to the name. +*/ + +double mlt_properties_get_double( mlt_properties this, const char *name ) { mlt_property value = mlt_properties_find( this, name ); return value == NULL ? 0 : mlt_property_get_double( value ); @@ -519,7 +633,7 @@ double mlt_properties_get_double( mlt_properties this, char *name ) /** Set a value associated to the name. */ -int mlt_properties_set_double( mlt_properties this, char *name, double value ) +int mlt_properties_set_double( mlt_properties this, const char *name, double value ) { int error = 1; @@ -541,7 +655,7 @@ int mlt_properties_set_double( mlt_properties this, char *name, double value ) /** Get a value associated to the name. */ -mlt_position mlt_properties_get_position( mlt_properties this, char *name ) +mlt_position mlt_properties_get_position( mlt_properties this, const char *name ) { mlt_property value = mlt_properties_find( this, name ); return value == NULL ? 0 : mlt_property_get_position( value ); @@ -550,7 +664,7 @@ mlt_position mlt_properties_get_position( mlt_properties this, char *name ) /** Set a value associated to the name. */ -int mlt_properties_set_position( mlt_properties this, char *name, mlt_position value ) +int mlt_properties_set_position( mlt_properties this, const char *name, mlt_position value ) { int error = 1; @@ -572,7 +686,7 @@ int mlt_properties_set_position( mlt_properties this, char *name, mlt_position v /** Get a value associated to the name. */ -void *mlt_properties_get_data( mlt_properties this, char *name, int *length ) +void *mlt_properties_get_data( mlt_properties this, const char *name, int *length ) { mlt_property value = mlt_properties_find( this, name ); return value == NULL ? NULL : mlt_property_get_data( value, length ); @@ -581,7 +695,7 @@ void *mlt_properties_get_data( mlt_properties this, char *name, int *length ) /** Set a value associated to the name. */ -int mlt_properties_set_data( mlt_properties this, char *name, void *value, int length, mlt_destructor destroy, mlt_serialiser serialise ) +int mlt_properties_set_data( mlt_properties this, const char *name, void *value, int length, mlt_destructor destroy, mlt_serialiser serialise ) { int error = 1; @@ -600,7 +714,7 @@ int mlt_properties_set_data( mlt_properties this, char *name, void *value, int l /** Rename a property. */ -int mlt_properties_rename( mlt_properties this, char *source, char *dest ) +int mlt_properties_rename( mlt_properties this, const char *source, const char *dest ) { mlt_property value = mlt_properties_find( this, dest ); @@ -637,9 +751,9 @@ void mlt_properties_dump( mlt_properties this, FILE *output ) fprintf( output, "%s=%s\n", list->name[ i ], mlt_properties_get( this, list->name[ i ] ) ); } -void mlt_properties_debug( mlt_properties this, char *title, FILE *output ) +void mlt_properties_debug( mlt_properties this, const char *title, FILE *output ) { - fprintf( stderr, "%s: ", title ); + fprintf( output, "%s: ", title ); if ( this != NULL ) { property_list *list = this->local; @@ -652,7 +766,7 @@ void mlt_properties_debug( mlt_properties this, char *title, FILE *output ) fprintf( output, ", %s=%p", list->name[ i ], mlt_properties_get_data( this, list->name[ i ], NULL ) ); fprintf( output, " ]" ); } - fprintf( stderr, "\n" ); + fprintf( output, "\n" ); } /** Close the list. @@ -671,10 +785,12 @@ void mlt_properties_close( mlt_properties this ) property_list *list = this->local; int index = 0; -#ifdef _MLT_PROPERTY_CHECKS_ +#if _MLT_PROPERTY_CHECKS_ == 1 // Show debug info mlt_properties_debug( this, "Closing", stderr ); +#endif +#ifdef _MLT_PROPERTY_CHECKS_ // Increment destroyed count properties_destroyed ++;