#include <pthread.h>
#include <libxml/tree.h>
+#define ID_SIZE 128
+
+// This maintains counters for adding ids to elements
+struct serialise_context_s
+{
+ int producer_count;
+ int multitrack_count;
+ int playlist_count;
+ int tractor_count;
+ int filter_count;
+ int transition_count;
+ int pass;
+ mlt_properties producer_map;
+ mlt_properties hide_map;
+};
+typedef struct serialise_context_s* serialise_context;
+
/** Forward references to static functions.
*/
static int consumer_start( mlt_consumer parent );
+static int consumer_is_stopped( mlt_consumer this );
+static void serialise_service( serialise_context context, mlt_service service, xmlNode *node );
/** This is what will be called by the factory - anything can be passed in
via the argument, but keep it simple.
// If no malloc'd and consumer init ok
if ( this != NULL && mlt_consumer_init( this, NULL ) == 0 )
{
- // We have stuff to clean up, so override the close method
- //parent->close = consumer_close;
-
// Allow thread to be started/stopped
this->start = consumer_start;
+ this->is_stopped = consumer_is_stopped;
+
+ mlt_properties_set( mlt_consumer_properties( this ), "resource", arg );
// Return the consumer produced
return this;
return NULL;
}
-void serialise_service( mlt_service service )
+static inline void serialise_properties( mlt_properties properties, xmlNode *node )
+{
+ int i;
+ xmlNode *p;
+
+ // Enumerate the properties
+ for ( i = 0; i < mlt_properties_count( properties ); i++ )
+ {
+ char *name = mlt_properties_get_name( properties, i );
+ if ( name != NULL &&
+ name[ 0 ] != '_' &&
+ mlt_properties_get_value( properties, i ) != NULL &&
+ strcmp( name, "westley" ) != 0 &&
+ strcmp( name, "in" ) != 0 &&
+ strcmp( name, "out" ) != 0 )
+ {
+ p = xmlNewChild( node, NULL, "property", NULL );
+ xmlNewProp( p, "name", mlt_properties_get_name( properties, i ) );
+ xmlNodeSetContent( p, mlt_properties_get_value( properties, i ) );
+ }
+ }
+}
+
+static void serialise_producer( serialise_context context, mlt_service service, xmlNode *node )
+{
+ xmlNode *child = node;
+ char id[ ID_SIZE + 1 ];
+ char key[ 11 ];
+ mlt_properties properties = mlt_service_properties( service );
+
+ id[ ID_SIZE ] = '\0';
+ key[ 10 ] = '\0';
+
+ if ( context->pass == 0 )
+ {
+ child = xmlNewChild( node, NULL, "producer", NULL );
+
+ // Set the id
+ if ( mlt_properties_get( properties, "id" ) == NULL )
+ {
+ snprintf( id, ID_SIZE, "producer%d", context->producer_count++ );
+ xmlNewProp( child, "id", id );
+ }
+ else
+ strncpy( id, mlt_properties_get( properties, "id" ), ID_SIZE );
+ serialise_properties( properties, child );
+
+ // Add producer to the map
+ snprintf( key, 10, "%p", service );
+ mlt_properties_set( context->producer_map, key, id );
+ mlt_properties_set_int( context->hide_map, key, mlt_properties_get_int( properties, "hide" ) );
+ }
+ else
+ {
+ snprintf( key, 10, "%p", service );
+ xmlNewProp( node, "producer", mlt_properties_get( context->producer_map, key ) );
+ }
+}
+
+static void serialise_multitrack( serialise_context context, mlt_service service, xmlNode *node )
+{
+ int i;
+ xmlNode *child = node;
+ char id[ ID_SIZE + 1 ];
+ char key[ 11 ];
+ mlt_properties properties = mlt_service_properties( service );
+
+ id[ ID_SIZE ] = '\0';
+ key[ 10 ] = '\0';
+
+ if ( context->pass == 0 )
+ {
+ // Iterate over the tracks to collect the producers
+ for ( i = 0; i < mlt_multitrack_count( MLT_MULTITRACK( service ) ); i++ )
+ serialise_service( context, MLT_SERVICE( mlt_multitrack_track( MLT_MULTITRACK( service ), i ) ), node );
+ }
+ else
+ {
+ // Create the multitrack node
+ child = xmlNewChild( node, NULL, "multitrack", NULL );
+
+ // Set the id
+ if ( mlt_properties_get( properties, "id" ) == NULL )
+ {
+ snprintf( id, ID_SIZE, "multitrack%d", context->multitrack_count++ );
+ xmlNewProp( child, "id", id );
+ }
+
+ // Serialise the tracks
+ for ( i = 0; i < mlt_multitrack_count( MLT_MULTITRACK( service ) ); i++ )
+ {
+ xmlNode *track = xmlNewChild( child, NULL, "track", NULL );
+ int hide = 0;
+
+ snprintf( key, 10, "%p", MLT_SERVICE( mlt_multitrack_track( MLT_MULTITRACK( service ), i ) ) );
+ xmlNewProp( track, "producer", mlt_properties_get( context->producer_map, key ) );
+
+ hide = mlt_properties_get_int( context->hide_map, key );
+ if ( hide )
+ xmlNewProp( track, "hide", hide == 1 ? "video" : ( hide == 2 ? "audio" : "both" ) );
+ }
+ }
+}
+
+static void serialise_playlist( serialise_context context, mlt_service service, xmlNode *node )
+{
+ int i;
+ xmlNode *child = node;
+ char id[ ID_SIZE + 1 ];
+ char key[ 11 ];
+ mlt_playlist_clip_info info;
+ mlt_properties properties = mlt_service_properties( service );
+
+ id[ ID_SIZE ] = '\0';
+ key[ 10 ] = '\0';
+
+ if ( context->pass == 0 )
+ {
+ // Iterate over the playlist entries to collect the producers
+ for ( i = 0; i < mlt_playlist_count( MLT_PLAYLIST( service ) ); i++ )
+ {
+ if ( ! mlt_playlist_get_clip_info( MLT_PLAYLIST( service ), &info, i ) )
+ {
+ if ( info.producer != NULL )
+ {
+ char *service_s = mlt_properties_get( mlt_producer_properties( info.producer ), "mlt_service" );
+ if ( service_s != NULL && strcmp( service_s, "blank" ) != 0 )
+ serialise_service( context, MLT_SERVICE( info.producer ), node );
+ }
+ }
+ }
+
+ child = xmlNewChild( node, NULL, "playlist", NULL );
+
+ // Set the id
+ if ( mlt_properties_get( properties, "id" ) == NULL )
+ {
+ snprintf( id, ID_SIZE, "playlist%d", context->playlist_count++ );
+ xmlNewProp( child, "id", id );
+ }
+ else
+ strncpy( id, mlt_properties_get( properties, "id" ), ID_SIZE );
+
+ // Add producer to the map
+ snprintf( key, 10, "%p", service );
+ mlt_properties_set( context->producer_map, key, id );
+ mlt_properties_set_int( context->hide_map, key, mlt_properties_get_int( properties, "hide" ) );
+
+ // Iterate over the playlist entries
+ for ( i = 0; i < mlt_playlist_count( MLT_PLAYLIST( service ) ); i++ )
+ {
+ if ( ! mlt_playlist_get_clip_info( MLT_PLAYLIST( service ), &info, i ) )
+ {
+ char *service_s = mlt_properties_get( mlt_producer_properties( info.producer ), "mlt_service" );
+ if ( service_s != NULL && strcmp( service_s, "blank" ) == 0 )
+ {
+ char length[ 20 ];
+ length[ 19 ] = '\0';
+ xmlNode *entry = xmlNewChild( child, NULL, "blank", NULL );
+ snprintf( length, 19, "%d", info.frame_count );
+ xmlNewProp( entry, "length", length );
+ }
+ else
+ {
+ xmlNode *entry = xmlNewChild( child, NULL, "entry", NULL );
+ snprintf( key, 10, "%p", MLT_SERVICE( info.producer ) );
+ xmlNewProp( entry, "producer", mlt_properties_get( context->producer_map, key ) );
+ xmlNewProp( entry, "in", mlt_properties_get( mlt_producer_properties( info.producer ), "in" ) );
+ xmlNewProp( entry, "out", mlt_properties_get( mlt_producer_properties( info.producer ), "out" ) );
+ }
+ }
+ }
+ }
+ else if ( strcmp( (const char*) node->name, "tractor" ) != 0 )
+ {
+ snprintf( key, 10, "%p", service );
+ xmlNewProp( node, "producer", mlt_properties_get( context->producer_map, key ) );
+ }
+}
+
+static void serialise_tractor( serialise_context context, mlt_service service, xmlNode *node )
+{
+ xmlNode *child = node;
+ char id[ ID_SIZE + 1 ];
+ mlt_properties properties = mlt_service_properties( service );
+
+ id[ ID_SIZE ] = '\0';
+
+ if ( context->pass == 0 )
+ {
+ // Recurse on connected producer
+ serialise_service( context, mlt_service_get_producer( service ), node );
+ }
+ else
+ {
+ child = xmlNewChild( node, NULL, "tractor", NULL );
+
+ // Set the id
+ if ( mlt_properties_get( properties, "id" ) == NULL )
+ {
+ snprintf( id, ID_SIZE, "tractor%d", context->tractor_count++ );
+ xmlNewProp( child, "id", id );
+ }
+
+ xmlNewProp( child, "in", mlt_properties_get( properties, "in" ) );
+ xmlNewProp( child, "out", mlt_properties_get( properties, "out" ) );
+
+ // Recurse on connected producer
+ serialise_service( context, mlt_service_get_producer( service ), child );
+ }
+}
+
+static void serialise_filter( serialise_context context, mlt_service service, xmlNode *node )
+{
+ xmlNode *child = node;
+ char id[ ID_SIZE + 1 ];
+ mlt_properties properties = mlt_service_properties( service );
+
+ id[ ID_SIZE ] = '\0';
+
+ // Recurse on connected producer
+ serialise_service( context, MLT_SERVICE( MLT_FILTER( service )->producer ), node );
+
+ if ( context->pass == 1 )
+ {
+ child = xmlNewChild( node, NULL, "filter", NULL );
+
+ // Set the id
+ if ( mlt_properties_get( properties, "id" ) == NULL )
+ {
+ snprintf( id, ID_SIZE, "filter%d", context->filter_count++ );
+ xmlNewProp( child, "id", id );
+ xmlNewProp( child, "in", mlt_properties_get( properties, "in" ) );
+ xmlNewProp( child, "out", mlt_properties_get( properties, "out" ) );
+ }
+
+ serialise_properties( properties, child );
+ }
+}
+
+static void serialise_transition( serialise_context context, mlt_service service, xmlNode *node )
+{
+ xmlNode *child = node;
+ char id[ ID_SIZE + 1 ];
+ mlt_properties properties = mlt_service_properties( service );
+
+ id[ ID_SIZE ] = '\0';
+
+ // Recurse on connected producer
+ serialise_service( context, MLT_SERVICE( MLT_TRANSITION( service )->producer ), node );
+
+ if ( context->pass == 1 )
+ {
+ child = xmlNewChild( node, NULL, "transition", NULL );
+
+ // Set the id
+ if ( mlt_properties_get( properties, "id" ) == NULL )
+ {
+ snprintf( id, ID_SIZE, "transition%d", context->transition_count++ );
+ xmlNewProp( child, "id", id );
+ xmlNewProp( child, "in", mlt_properties_get( properties, "in" ) );
+ xmlNewProp( child, "out", mlt_properties_get( properties, "out" ) );
+ }
+
+ serialise_properties( properties, child );
+ }
+}
+
+static void serialise_service( serialise_context context, mlt_service service, xmlNode *node )
{
// Iterate over consumer/producer connections
while ( service != NULL )
{
- char *mlt_type = mlt_properties_get( mlt_service_properties(service ), "mlt_type" );
+ mlt_properties properties = mlt_service_properties( service );
+ char *mlt_type = mlt_properties_get( properties, "mlt_type" );
// Tell about the producer
if ( strcmp( mlt_type, "producer" ) == 0 )
{
- fprintf( stderr, "mlt_type '%s' mlt_service '%s' resource '%s'\n", mlt_type,
- mlt_properties_get( mlt_service_properties( service ), "mlt_service" ),
- mlt_properties_get( mlt_service_properties( service ), "resource" ) );
+ serialise_producer( context, service, node );
+ if ( mlt_properties_get( properties, "westley" ) != NULL )
+ break;
}
-
+
// Tell about the framework container producers
else if ( strcmp( mlt_type, "mlt_producer" ) == 0 )
{
- fprintf( stderr, "mlt_type '%s' resource '%s'\n", mlt_type,
- mlt_properties_get( mlt_service_properties( service ), "resource" ) );
-
+ char *resource = mlt_properties_get( properties, "resource" );
+
// Recurse on multitrack's tracks
- if ( strcmp( mlt_properties_get( mlt_service_properties( service ), "resource" ), "<multitrack>" ) == 0 )
+ if ( strcmp( resource, "<multitrack>" ) == 0 )
{
- int i;
-
- fprintf( stderr, "contains...\n" );
- for ( i = 0; i < mlt_multitrack_count( MLT_MULTITRACK( service ) ); i++ )
- serialise_service( MLT_SERVICE( mlt_multitrack_track( MLT_MULTITRACK( service ), i ) ) );
- fprintf( stderr, "...done.\n" );
+ serialise_multitrack( context, service, node );
+ break;
}
// Recurse on playlist's clips
- else if ( strcmp( mlt_properties_get( mlt_service_properties( service ), "resource" ), "<playlist>" ) == 0 )
+ else if ( strcmp( resource, "<playlist>" ) == 0 )
{
- int i;
- mlt_playlist_clip_info info;
-
- fprintf( stderr, "contains...\n" );
- for ( i = 0; i < mlt_playlist_count( MLT_PLAYLIST( service ) ); i++ )
- {
- if ( ! mlt_playlist_get_clip_info( MLT_PLAYLIST( service ), &info, i ) )
- serialise_service( MLT_SERVICE( info.producer ) );
- }
- fprintf( stderr, "...done.\n" );
+ serialise_playlist( context, service, node );
+ }
+
+ // Recurse on tractor's producer
+ else if ( strcmp( resource, "<tractor>" ) == 0 )
+ {
+ serialise_tractor( context, service, node );
+ break;
}
}
// Tell about a filter
else if ( strcmp( mlt_type, "filter" ) == 0 )
{
- fprintf( stderr, "mlt_type '%s' mlt_service '%s'\n", mlt_type,
- mlt_properties_get( mlt_service_properties( service ), "mlt_service" ) );
-
- fprintf( stderr, "is applied to\n" );
-
- // Recurse on connected producer
- serialise_service( MLT_SERVICE( MLT_FILTER( service )->producer ) );
+ serialise_filter( context, service, node );
+ break;
}
// Tell about a transition
else if ( strcmp( mlt_type, "transition" ) == 0 )
{
- fprintf( stderr, "mlt_type '%s' mlt_service '%s'\n", mlt_type,
- mlt_properties_get( mlt_service_properties( service ), "mlt_service" ) );
-
- fprintf( stderr, "is applied to\n" );
-
- // Recurse on connected producer
- serialise_service( MLT_SERVICE( MLT_TRANSITION( service )->producer ) );
+ serialise_transition( context, service, node );
+ break;
}
// Get the next connected service
service = mlt_service_get_producer( service );
- if ( service != NULL )
- fprintf( stderr, "is connected to\n" );
}
}
-static int consumer_start( mlt_consumer this )
+xmlDocPtr westley_make_doc( mlt_service service )
{
- // get a handle on properties
- mlt_properties properties = mlt_consumer_properties( this );
+ xmlDocPtr doc = xmlNewDoc( "1.0" );
+ xmlNodePtr root = xmlNewNode( NULL, "westley" );
+ struct serialise_context_s *context = calloc( 1, sizeof( struct serialise_context_s ) );
- mlt_service inigo = NULL;
+ xmlDocSetRootElement( doc, root );
+
+ // Construct the context maps
+ context->producer_map = mlt_properties_new();
+ context->hide_map = mlt_properties_new();
+
+ // Ensure producer is a framework producer
+ mlt_properties_set( mlt_service_properties( service ), "mlt_type", "mlt_producer" );
+
+ // In pass one, we serialise the end producers and playlists,
+ // adding them to a map keyed by address.
+ serialise_service( context, service, root );
+
+ // In pass two, we serialise the tractor and reference the
+ // producers and playlists
+ context->pass++;
+ serialise_service( context, service, root );
+
+ // Cleanup resource
+ mlt_properties_close( context->producer_map );
+ mlt_properties_close( context->hide_map );
+ free( context );
- fprintf( stderr, "mlt_type '%s' mlt_service '%s'\n",
- mlt_properties_get( properties, "mlt_type" ),
- mlt_properties_get( properties, "mlt_service" ) );
+ return doc;
+}
+
+static int consumer_start( mlt_consumer this )
+{
+ mlt_service inigo = NULL;
+ xmlDocPtr doc = NULL;
+
// Get the producer service
mlt_service service = mlt_service_get_producer( mlt_consumer_service( this ) );
if ( service != NULL )
{
- fprintf( stderr, "is connected to\n" );
-
// Remember inigo
if ( mlt_properties_get( mlt_service_properties( service ), "mlt_service" ) != NULL &&
strcmp( mlt_properties_get( mlt_service_properties( service ), "mlt_service" ), "inigo" ) == 0 )
inigo = service;
-
- serialise_service( service );
+
+ doc = westley_make_doc( service );
+
+ if ( mlt_properties_get( mlt_consumer_properties( this ), "resource" ) == NULL )
+ xmlDocFormatDump( stdout, doc, 1 );
+ else
+ xmlSaveFormatFile( mlt_properties_get( mlt_consumer_properties( this ), "resource" ), doc, 1 );
+
+ xmlFreeDoc( doc );
}
-
+
mlt_consumer_stop( this );
- // Tell inigo, enough already!
- if ( inigo != NULL )
- mlt_properties_set_int( mlt_service_properties( inigo ), "done", 1 );
-
return 0;
}
+static int consumer_is_stopped( mlt_consumer this )
+{
+ return 1;
+}
projects / melted / blobdiff