X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_producer.c;h=9ed89af5ad7449a690e82687e2d75c257772ac65;hb=2e467c2eeba2b51aecddda21d4bb97bef4cd1459;hp=f29f4c5802ab10a1fd0325d880fa104e0ea2c28e;hpb=87ddb143a7f56e31c860d37631fb26f9821d3e48;p=melted diff --git a/src/framework/mlt_producer.c b/src/framework/mlt_producer.c index f29f4c5..9ed89af 100644 --- a/src/framework/mlt_producer.c +++ b/src/framework/mlt_producer.c @@ -78,12 +78,12 @@ int mlt_producer_init( mlt_producer this, void *child ) if ( normalisation == NULL || strcmp( normalisation, "NTSC" ) ) { mlt_properties_set_double( properties, "fps", 25.0 ); - mlt_properties_set_double( properties, "aspect_ratio", 72.0 / 79.0 ); + mlt_properties_set_double( properties, "aspect_ratio", 59.0 / 54.0 ); } else { mlt_properties_set_double( properties, "fps", 30000.0 / 1001.0 ); - mlt_properties_set_double( properties, "aspect_ratio", 128.0 / 117.0 ); + mlt_properties_set_double( properties, "aspect_ratio", 10.0 / 11.0 ); } mlt_properties_set_double( properties, "_speed", 1.0 ); mlt_properties_set_position( properties, "in", 0 ); @@ -162,6 +162,14 @@ int mlt_producer_is_mix( mlt_producer this ) return tractor != NULL; } +/** Determine if the producer is a blank [from a playlist]. +*/ + +int mlt_producer_is_blank( mlt_producer this ) +{ + return this == NULL || !strcmp( mlt_properties_get( mlt_producer_properties( mlt_producer_cut_parent( this ) ), "resource" ), "blank" ); +} + /** Obtain the parent producer. */ @@ -187,7 +195,7 @@ mlt_producer mlt_producer_cut( mlt_producer this, int in, int out ) // Special case - allow for a cut of the entire producer (this will squeeze all other cuts to 0) if ( in <= 0 ) in = 0; - if ( out >= mlt_producer_get_playtime( parent ) ) + if ( out >= mlt_producer_get_playtime( parent ) && !mlt_producer_is_blank( this ) ) out = mlt_producer_get_playtime( parent ) - 1; mlt_properties_inc_ref( parent_props ); @@ -310,7 +318,7 @@ int mlt_producer_set_in_and_out( mlt_producer this, mlt_position in, mlt_positio if ( out < 0 ) out = 0; - else if ( out > mlt_producer_get_length( this ) ) + else if ( out > mlt_producer_get_length( this ) && !mlt_producer_is_blank( this ) ) out = mlt_producer_get_length( this ); // Swap ins and outs if wrong @@ -393,9 +401,9 @@ void mlt_producer_prepare_next( mlt_producer this ) static int producer_get_frame( mlt_service service, mlt_frame_ptr frame, int index ) { int result = 1; - mlt_producer this = service->child; + mlt_producer this = service != NULL ? service->child : NULL; - if ( !mlt_producer_is_cut( this ) ) + if ( this != NULL && !mlt_producer_is_cut( this ) ) { // Get the properties of this producer mlt_properties properties = mlt_producer_properties( this ); @@ -443,8 +451,11 @@ static int producer_get_frame( mlt_service service, mlt_frame_ptr frame, int ind if ( mlt_properties_get_data( properties, "_producer", NULL ) == NULL ) mlt_properties_set_data( properties, "_producer", service, 0, NULL, NULL ); } - else + else if ( this != NULL ) { + // Get the speed of the cut + double speed = mlt_producer_get_speed( this ); + // Get the parent of this cut mlt_producer parent = mlt_producer_cut_parent( this ); @@ -484,6 +495,14 @@ static int producer_get_frame( mlt_service service, mlt_frame_ptr frame, int ind // We're done with the clone now mlt_properties_set_data( parent_properties, "use_clone", NULL, 0, NULL, NULL ); + + mlt_properties_set_double( mlt_frame_properties( *frame ), "_speed", speed ); + mlt_producer_prepare_next( this ); + } + else + { + *frame = mlt_frame_init( ); + result = 0; } return result; @@ -524,16 +543,7 @@ static mlt_producer mlt_producer_clone( mlt_producer this ) char *service = mlt_properties_get( properties, "mlt_service" ); if ( service != NULL ) - { - char temp[ 1024 ]; - strncpy( temp, service, 1024 ); - if ( resource != NULL ) - { - strcat( temp, ":" ); - strncat( temp, resource, 1023 - strlen( temp ) ); - } - clone = mlt_factory_producer( "fezzik", temp ); - } + clone = mlt_factory_producer( service, resource ); if ( clone == NULL && resource != NULL ) clone = mlt_factory_producer( "fezzik", resource );