X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fvalerie%2Fvalerie.c;h=b7f1cc69029a7689091787e831eaed66d2de4859;hb=ced3d0b8c0520e4c8208166e3218e0caacba1efa;hp=8499f440b8e05a9bbfba46dee4631c8c2d8d56d0;hpb=8cf0f77981284b7549c811b67283eb73d0c520d6;p=melted

diff --git a/src/valerie/valerie.c b/src/valerie/valerie.c
index 8499f44..b7f1cc6 100644
--- a/src/valerie/valerie.c
+++ b/src/valerie/valerie.c
@@ -117,7 +117,7 @@ static valerie_error_code valerie_get_error_code( valerie this, valerie_response
 /** Execute a command.
 */
 
-valerie_error_code valerie_execute( valerie this, size_t size, char *format, ... )
+valerie_error_code valerie_execute( valerie this, size_t size, const char *format, ... )
 {
 	valerie_error_code error = valerie_server_unavailable;
 	char *command = malloc( size );
@@ -148,7 +148,38 @@ valerie_error_code valerie_execute( valerie this, size_t size, char *format, ...
 /** Execute a command.
 */
 
-valerie_error_code valerie_push( valerie this, mlt_service service, size_t size, char *format, ... )
+valerie_error_code valerie_receive( valerie this, char *doc, size_t size, const char *format, ... )
+{
+	valerie_error_code error = valerie_server_unavailable;
+	char *command = malloc( size );
+	if ( this != NULL && command != NULL )
+	{
+		va_list list;
+		va_start( list, format );
+		if ( vsnprintf( command, size, format, list ) != 0 )
+		{
+			valerie_response response = valerie_parser_received( this->parser, command, doc );
+			valerie_set_last_response( this, response );
+			error = valerie_get_error_code( this, response );
+		}
+		else
+		{
+			error = valerie_invalid_command;
+		}
+		va_end( list );
+	}
+	else
+	{
+		error = valerie_malloc_failed;
+	}
+	free( command );
+	return error;
+}
+
+/** Execute a command.
+*/
+
+valerie_error_code valerie_push( valerie this, mlt_service service, size_t size, const char *format, ... )
 {
 	valerie_error_code error = valerie_server_unavailable;
 	char *command = malloc( size );
@@ -286,6 +317,14 @@ valerie_error_code valerie_unit_append( valerie this, int unit, char *file, int3
 /** Push a service on to a unit.
 */
 
+valerie_error_code valerie_unit_receive( valerie this, int unit, char *command, char *doc )
+{
+	return valerie_receive( this, doc, 10240, "PUSH U%d %s", unit, command );
+}
+
+/** Push a service on to a unit.
+*/
+
 valerie_error_code valerie_unit_push( valerie this, int unit, char *command, mlt_service service )
 {
 	return valerie_push( this, service, 10240, "PUSH U%d %s", unit, command );
@@ -307,6 +346,14 @@ valerie_error_code valerie_unit_clear( valerie this, int unit )
 	return valerie_execute( this, 1024, "CLEAR U%d", unit );
 }
 
+/** Wipe the unit - this function removes all clips before the current one.
+*/
+
+valerie_error_code valerie_unit_wipe( valerie this, int unit )
+{
+	return valerie_execute( this, 1024, "WIPE U%d", unit );
+}
+
 /** Move clips on the units playlist.
 */
 
@@ -487,7 +534,7 @@ valerie_error_code valerie_unit_clear_in_out( valerie this, int unit )
 /** Set a unit configuration property.
 */
 
-valerie_error_code valerie_unit_set( valerie this, int unit, char *name, char *value )
+valerie_error_code valerie_unit_set( valerie this, int unit, const char *name, const char *value )
 {
 	return valerie_execute( this, 1024, "USET U%d %s=%s", unit, name, value );
 }
@@ -540,7 +587,7 @@ valerie_notifier valerie_get_notifier( valerie this )
 /** List the contents of the specified directory.
 */
 
-valerie_dir valerie_dir_init( valerie this, char *directory )
+valerie_dir valerie_dir_init( valerie this, const char *directory )
 {
 	valerie_dir dir = malloc( sizeof( valerie_dir_t ) );
 	if ( dir != NULL )
@@ -864,9 +911,9 @@ valerie_response valerie_get_last_response( valerie this )
 /** Obtain a printable message associated to the error code provided.
 */
 
-char *valerie_error_description( valerie_error_code error )
+const char *valerie_error_description( valerie_error_code error )
 {
-	char *msg = "Unrecognised error";
+	const char *msg = "Unrecognised error";
 	switch( error )
 	{
 		case valerie_ok: