X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_producer.c;h=df0677ce2753cce5733c5d2bc4dfe3877574c46f;hb=cee6a62534f2549e343a1b7c489a967577852fc6;hp=db69aa6f83262d7678ad825679ec99aafaa2e68c;hpb=5fdac4773b651cd5b69b9cf1fb4581f41e37f3b7;p=melted diff --git a/src/framework/mlt_producer.c b/src/framework/mlt_producer.c index db69aa6..df0677c 100644 --- a/src/framework/mlt_producer.c +++ b/src/framework/mlt_producer.c @@ -3,26 +3,27 @@ * Copyright (C) 2003-2004 Ushodaya Enterprises Limited * Author: Charles Yates * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. * - * This program is distributed in the hope that it will be useful, + * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include "config.h" #include "mlt_producer.h" #include "mlt_factory.h" #include "mlt_frame.h" #include "mlt_parser.h" +#include "mlt_profile.h" + #include #include #include @@ -66,9 +67,6 @@ int mlt_producer_init( mlt_producer this, void *child ) // Initialise the service if ( mlt_service_init( &this->parent, this ) == 0 ) { - // Get the normalisation preference - char *normalisation = mlt_environment( "MLT_NORMALISATION" ); - // The parent is the service mlt_service parent = &this->parent; @@ -86,16 +84,7 @@ int mlt_producer_init( mlt_producer this, void *child ) mlt_properties_set( properties, "mlt_type", "mlt_producer" ); mlt_properties_set_position( properties, "_position", 0.0 ); mlt_properties_set_double( properties, "_frame", 0 ); - if ( normalisation == NULL || strcmp( normalisation, "NTSC" ) ) - { - mlt_properties_set_double( properties, "fps", 25.0 ); - 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", 10.0 / 11.0 ); - } + mlt_properties_set_double( properties, "aspect_ratio", mlt_profile_sar( NULL ) ); mlt_properties_set_double( properties, "_speed", 1.0 ); mlt_properties_set_position( properties, "in", 0 ); mlt_properties_set_position( properties, "out", 14999 ); @@ -194,26 +183,16 @@ 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 < 0 || out >= mlt_producer_get_playtime( parent ) ) && !mlt_producer_is_blank( this ) ) - out = mlt_producer_get_playtime( parent ) - 1; + if ( ( out < 0 || out >= mlt_producer_get_length( parent ) ) && !mlt_producer_is_blank( this ) ) + out = mlt_producer_get_length( parent ) - 1; mlt_properties_inc_ref( parent_props ); mlt_properties_set_int( properties, "_cut", 1 ); mlt_properties_set_data( properties, "_cut_parent", parent, 0, ( mlt_destructor )mlt_producer_close, NULL ); mlt_properties_set_position( properties, "length", mlt_properties_get_position( parent_props, "length" ) ); + mlt_properties_set_double( properties, "aspect_ratio", mlt_properties_get_double( parent_props, "aspect_ratio" ) ); mlt_producer_set_in_and_out( result, in, out ); - // Mini fezzik :-/ - mlt_filter filter = mlt_factory_filter( "data_feed", "attr_check" ); - mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "_fezzik", 1 ); - mlt_producer_attach( result, filter ); - mlt_filter_close( filter ); - filter = mlt_factory_filter( "data_show", "%obscure.properties" ); - mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "_fezzik", 1 ); - mlt_producer_attach( result, filter ); - mlt_filter_close( filter ); - mlt_events_unblock( MLT_PRODUCER_PROPERTIES( result ), MLT_PRODUCER_PROPERTIES( result ) ); - return result; } @@ -249,18 +228,18 @@ int mlt_producer_seek( mlt_producer this, mlt_position position ) mlt_producer_seek( mlt_producer_cut_parent( this ), position + mlt_producer_get_in( this ) ); // Check bounds - if ( position < 0 ) + if ( position < 0 || mlt_producer_get_playtime( this ) == 0 ) { position = 0; } - else if ( use_points && !strcmp( eof, "pause" ) && position >= mlt_producer_get_playtime( this ) ) + else if ( use_points && ( eof == NULL || !strcmp( eof, "pause" ) ) && position >= mlt_producer_get_playtime( this ) ) { mlt_producer_set_speed( this, 0 ); position = mlt_producer_get_playtime( this ) - 1; } else if ( use_points && !strcmp( eof, "loop" ) && position >= mlt_producer_get_playtime( this ) ) { - position = position % mlt_producer_get_playtime( this ); + position = (int)position % (int)mlt_producer_get_playtime( this ); } // Set the position @@ -309,7 +288,8 @@ double mlt_producer_get_speed( mlt_producer this ) double mlt_producer_get_fps( mlt_producer this ) { - return mlt_properties_get_double( MLT_PRODUCER_PROPERTIES( this ), "fps" ); + mlt_profile profile = mlt_service_profile( MLT_PRODUCER_SERVICE( this ) ); + return mlt_profile_fps( profile ); } /** Set the in and out points. @@ -436,7 +416,7 @@ static int producer_get_frame( mlt_service service, mlt_frame_ptr frame, int ind if ( this->get_frame == NULL || ( !strcmp( eof, "continue" ) && mlt_producer_position( this ) > mlt_producer_get_out( this ) ) ) { // Generate a test frame - *frame = mlt_frame_init( ); + *frame = mlt_frame_init( service ); // Set the position result = mlt_frame_set_position( *frame, mlt_producer_position( this ) ); @@ -457,7 +437,6 @@ static int producer_get_frame( mlt_service service, mlt_frame_ptr frame, int ind // Copy the fps and speed of the producer onto the frame properties = MLT_FRAME_PROPERTIES( *frame ); mlt_properties_set_double( properties, "_speed", speed ); - mlt_properties_set_double( properties, "fps", mlt_producer_get_fps( this ) ); mlt_properties_set_int( properties, "test_audio", mlt_frame_is_test_audio( *frame ) ); mlt_properties_set_int( properties, "test_image", mlt_frame_is_test_card( *frame ) ); if ( mlt_properties_get_data( properties, "_producer", NULL ) == NULL ) @@ -508,12 +487,16 @@ 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 ); + // This is useful and required by always_active transitions to determine in/out points of the cut + if ( mlt_properties_get_data( MLT_FRAME_PROPERTIES( *frame ), "_producer", NULL ) == MLT_PRODUCER_SERVICE( parent ) ) + mlt_properties_set_data( MLT_FRAME_PROPERTIES( *frame ), "_producer", this, 0, NULL, NULL ); + mlt_properties_set_double( MLT_FRAME_PROPERTIES( *frame ), "_speed", speed ); mlt_producer_prepare_next( this ); } else { - *frame = mlt_frame_init( ); + *frame = mlt_frame_init( service ); result = 0; } @@ -529,6 +512,8 @@ static int producer_get_frame( mlt_service service, mlt_frame_ptr frame, int ind char *name = mlt_properties_get_name( p_props, i ); if ( !strncmp( name, "meta.", 5 ) ) mlt_properties_set( f_props, name, mlt_properties_get( p_props, name ) ); + else if ( !strncmp( name, "set.", 4 ) ) + mlt_properties_set( f_props, name + 4, mlt_properties_get( p_props, name ) ); } } @@ -568,14 +553,15 @@ static mlt_producer mlt_producer_clone( mlt_producer this ) mlt_properties properties = MLT_PRODUCER_PROPERTIES( this ); char *resource = mlt_properties_get( properties, "resource" ); char *service = mlt_properties_get( properties, "mlt_service" ); + mlt_profile profile = mlt_service_profile( MLT_PRODUCER_SERVICE( this ) ); mlt_events_block( mlt_factory_event_object( ), mlt_factory_event_object( ) ); if ( service != NULL ) - clone = mlt_factory_producer( service, resource ); + clone = mlt_factory_producer( profile, service, resource ); if ( clone == NULL && resource != NULL ) - clone = mlt_factory_producer( "fezzik", resource ); + clone = mlt_factory_producer( profile, mlt_environment( "MLT_PRODUCER" ), resource ); if ( clone != NULL ) mlt_properties_inherit( MLT_PRODUCER_PROPERTIES( clone ), properties ); @@ -837,6 +823,8 @@ void mlt_producer_close( mlt_producer this ) } else { + int destroy = mlt_producer_is_cut( this ); + #if _MLT_PRODUCER_CHECKS_ == 1 // Show debug info mlt_properties_debug( MLT_PRODUCER_PROPERTIES( this ), "Producer closing", stderr ); @@ -851,6 +839,9 @@ void mlt_producer_close( mlt_producer this ) #endif mlt_service_close( &this->parent ); + + if ( destroy ) + free( this ); } } }