X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_playlist.c;h=0847f393768b5ee58638ebd79ff9eb312345514b;hb=407f72e8c783f126b60fcfc53f0a790f3aaee636;hp=ddcc28f7e4be3c51072dd27062b2ab1873f1d383;hpb=02a17f9f66f0829ce95782096bcc528d6f250a4a;p=melted diff --git a/src/framework/mlt_playlist.c b/src/framework/mlt_playlist.c index ddcc28f..0847f39 100644 --- a/src/framework/mlt_playlist.c +++ b/src/framework/mlt_playlist.c @@ -3,23 +3,21 @@ * 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_playlist.h" #include "mlt_tractor.h" #include "mlt_multitrack.h" @@ -34,7 +32,7 @@ /** Virtual playlist entry. */ -typedef struct playlist_entry_s +struct playlist_entry_s { mlt_producer producer; mlt_position frame_in; @@ -44,20 +42,6 @@ typedef struct playlist_entry_s mlt_position producer_length; mlt_event event; int preservation_hack; -} -playlist_entry; - -/** Private definition. -*/ - -struct mlt_playlist_s -{ - struct mlt_producer_s parent; - struct mlt_producer_s blank; - - int size; - int count; - playlist_entry **list; }; /** Forward declarations @@ -89,19 +73,19 @@ mlt_playlist mlt_playlist_init( ) // Initialise blank mlt_producer_init( &this->blank, NULL ); - mlt_properties_set( mlt_producer_properties( &this->blank ), "mlt_service", "blank" ); - mlt_properties_set( mlt_producer_properties( &this->blank ), "resource", "blank" ); + mlt_properties_set( MLT_PRODUCER_PROPERTIES( &this->blank ), "mlt_service", "blank" ); + mlt_properties_set( MLT_PRODUCER_PROPERTIES( &this->blank ), "resource", "blank" ); // Indicate that this producer is a playlist - mlt_properties_set_data( mlt_playlist_properties( this ), "playlist", this, 0, NULL, NULL ); + mlt_properties_set_data( MLT_PLAYLIST_PROPERTIES( this ), "playlist", this, 0, NULL, NULL ); // Specify the eof condition - mlt_properties_set( mlt_playlist_properties( this ), "eof", "pause" ); - mlt_properties_set( mlt_playlist_properties( this ), "resource", "" ); - mlt_properties_set( mlt_playlist_properties( this ), "mlt_type", "mlt_producer" ); - mlt_properties_set_position( mlt_playlist_properties( this ), "in", 0 ); - mlt_properties_set_position( mlt_playlist_properties( this ), "out", -1 ); - mlt_properties_set_position( mlt_playlist_properties( this ), "length", 0 ); + mlt_properties_set( MLT_PLAYLIST_PROPERTIES( this ), "eof", "pause" ); + mlt_properties_set( MLT_PLAYLIST_PROPERTIES( this ), "resource", "" ); + mlt_properties_set( MLT_PLAYLIST_PROPERTIES( this ), "mlt_type", "mlt_producer" ); + mlt_properties_set_position( MLT_PLAYLIST_PROPERTIES( this ), "in", 0 ); + mlt_properties_set_position( MLT_PLAYLIST_PROPERTIES( this ), "out", -1 ); + mlt_properties_set_position( MLT_PLAYLIST_PROPERTIES( this ), "length", 0 ); this->size = 10; this->list = malloc( this->size * sizeof( playlist_entry * ) ); @@ -123,7 +107,7 @@ mlt_producer mlt_playlist_producer( mlt_playlist this ) mlt_service mlt_playlist_service( mlt_playlist this ) { - return mlt_producer_service( &this->parent ); + return MLT_PRODUCER_SERVICE( &this->parent ); } /** Get the propertues associated to this playlist. @@ -131,7 +115,7 @@ mlt_service mlt_playlist_service( mlt_playlist this ) mlt_properties mlt_playlist_properties( mlt_playlist this ) { - return mlt_producer_properties( &this->parent ); + return MLT_PRODUCER_PROPERTIES( &this->parent ); } /** Refresh the playlist after a clip has been changed. @@ -140,10 +124,7 @@ mlt_properties mlt_playlist_properties( mlt_playlist this ) static int mlt_playlist_virtual_refresh( mlt_playlist this ) { // Obtain the properties - mlt_properties properties = mlt_playlist_properties( this ); - - // Get the fps of the first producer - double fps = mlt_properties_get_double( properties, "first_fps" ); + mlt_properties properties = MLT_PLAYLIST_PROPERTIES( this ); int i = 0; mlt_position frame_count = 0; @@ -151,44 +132,31 @@ static int mlt_playlist_virtual_refresh( mlt_playlist this ) { // Get the producer mlt_producer producer = this->list[ i ]->producer; - int current_length = mlt_producer_get_out( producer ) - mlt_producer_get_in( producer ) + 1; - - // If fps is 0 - if ( fps == 0 ) - { - // Inherit it from the producer - fps = mlt_producer_get_fps( producer ); - } - else if ( fps != mlt_properties_get_double( mlt_producer_properties( producer ), "fps" ) ) - { - // Generate a warning for now - the following attempt to fix may fail - fprintf( stderr, "Warning: fps mismatch on playlist producer %d\n", this->count ); - - // It should be safe to impose fps on an image producer, but not necessarily safe for video - mlt_properties_set_double( mlt_producer_properties( producer ), "fps", fps ); - } - - // Check if the length of the producer has changed - if ( this->list[ i ]->producer != &this->blank && - ( this->list[ i ]->frame_in != mlt_producer_get_in( producer ) || - this->list[ i ]->frame_out != mlt_producer_get_out( producer ) ) ) + if ( producer ) { - // This clip should be removed... - if ( current_length < 1 ) - { - this->list[ i ]->frame_in = 0; - this->list[ i ]->frame_out = -1; - this->list[ i ]->frame_count = 0; - } - else + int current_length = mlt_producer_get_out( producer ) - mlt_producer_get_in( producer ) + 1; + + // Check if the length of the producer has changed + if ( this->list[ i ]->frame_in != mlt_producer_get_in( producer ) || + this->list[ i ]->frame_out != mlt_producer_get_out( producer ) ) { - this->list[ i ]->frame_in = mlt_producer_get_in( producer ); - this->list[ i ]->frame_out = mlt_producer_get_out( producer ); - this->list[ i ]->frame_count = current_length; + // This clip should be removed... + if ( current_length < 1 ) + { + this->list[ i ]->frame_in = 0; + this->list[ i ]->frame_out = -1; + this->list[ i ]->frame_count = 0; + } + else + { + this->list[ i ]->frame_in = mlt_producer_get_in( producer ); + this->list[ i ]->frame_out = mlt_producer_get_out( producer ); + this->list[ i ]->frame_count = current_length; + } + + // Update the producer_length + this->list[ i ]->producer_length = current_length; } - - // Update the producer_length - this->list[ i ]->producer_length = current_length; } // Calculate the frame_count @@ -199,8 +167,6 @@ static int mlt_playlist_virtual_refresh( mlt_playlist this ) } // Refresh all properties - mlt_properties_set_double( properties, "first_fps", fps ); - mlt_properties_set_double( properties, "fps", fps == 0 ? 25 : fps ); mlt_events_block( properties, properties ); mlt_properties_set_position( properties, "length", frame_count ); mlt_events_unblock( properties, properties ); @@ -222,17 +188,38 @@ static void mlt_playlist_listener( mlt_producer producer, mlt_playlist this ) static int mlt_playlist_virtual_append( mlt_playlist this, mlt_producer source, mlt_position in, mlt_position out ) { - char *resource = source != NULL ? mlt_properties_get( mlt_producer_properties( source ), "resource" ) : NULL; mlt_producer producer = NULL; mlt_properties properties = NULL; mlt_properties parent = NULL; // If we have a cut, then use the in/out points from the cut - if ( resource == NULL || !strcmp( resource, "blank" ) ) + if ( mlt_producer_is_blank( source ) ) { - producer = &this->blank; - properties = mlt_producer_properties( producer ); - mlt_properties_inc_ref( properties ); + // Make sure the blank is long enough to accomodate the length specified + if ( out - in + 1 > mlt_producer_get_length( &this->blank ) ) + { + mlt_properties blank_props = MLT_PRODUCER_PROPERTIES( &this->blank ); + mlt_events_block( blank_props, blank_props ); + mlt_producer_set_in_and_out( &this->blank, in, out ); + mlt_events_unblock( blank_props, blank_props ); + } + + // Now make sure the cut comes from this this->blank + if ( source == NULL ) + { + producer = mlt_producer_cut( &this->blank, in, out ); + } + else if ( !mlt_producer_is_cut( source ) || mlt_producer_cut_parent( source ) != &this->blank ) + { + producer = mlt_producer_cut( &this->blank, in, out ); + } + else + { + producer = source; + mlt_properties_inc_ref( MLT_PRODUCER_PROPERTIES( producer ) ); + } + + properties = MLT_PRODUCER_PROPERTIES( producer ); } else if ( mlt_producer_is_cut( source ) ) { @@ -241,7 +228,7 @@ static int mlt_playlist_virtual_append( mlt_playlist this, mlt_producer source, in = mlt_producer_get_in( producer ); if ( out == -1 || out > mlt_producer_get_out( producer ) ) out = mlt_producer_get_out( producer ); - properties = mlt_producer_properties( producer ); + properties = MLT_PRODUCER_PROPERTIES( producer ); mlt_properties_inc_ref( properties ); } else @@ -251,11 +238,24 @@ static int mlt_playlist_virtual_append( mlt_playlist this, mlt_producer source, in = mlt_producer_get_in( producer ); if ( out == -1 || out > mlt_producer_get_out( producer ) ) out = mlt_producer_get_out( producer ); - properties = mlt_producer_properties( producer ); + properties = MLT_PRODUCER_PROPERTIES( producer ); } // Fetch the cuts parent properties - parent = mlt_producer_properties( mlt_producer_cut_parent( producer ) ); + parent = MLT_PRODUCER_PROPERTIES( mlt_producer_cut_parent( producer ) ); + + // Remove fezzik normalisers for fx cuts + if ( mlt_properties_get_int( parent, "meta.fx_cut" ) ) + { + mlt_service service = MLT_PRODUCER_SERVICE( mlt_producer_cut_parent( producer ) ); + mlt_filter filter = mlt_service_filter( service, 0 ); + while ( filter != NULL && mlt_properties_get_int( MLT_FILTER_PROPERTIES( filter ), "_fezzik" ) ) + { + mlt_service_detach( service, filter ); + filter = mlt_service_filter( service, 0 ); + } + mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( producer ), "meta.fx_cut", 1 ); + } // Check that we have room if ( this->count >= this->size ) @@ -334,7 +334,28 @@ static mlt_service mlt_playlist_virtual_seek( mlt_playlist this, int *progressiv mlt_producer producer = mlt_playlist_locate( this, &position, &i, &total ); // Get the properties - mlt_properties properties = mlt_playlist_properties( this ); + mlt_properties properties = MLT_PLAYLIST_PROPERTIES( this ); + + // Automatically close previous producers if requested + if ( i > 1 // keep immediate previous in case app wants to get info about what just finished + && position < 2 // tolerate off-by-one error on going to next clip + && mlt_properties_get_int( properties, "autoclose" ) ) + { + int j; + // They might have jumped ahead! + for ( j = 0; j < i - 1; j++ ) + { + mlt_service_lock( MLT_PRODUCER_SERVICE( this->list[ j ]->producer ) ); + mlt_producer p = this->list[ j ]->producer; + if ( p ) + { + this->list[ j ]->producer = NULL; + mlt_service_unlock( MLT_PRODUCER_SERVICE( p ) ); + mlt_producer_close( p ); + } + // If p is null, the lock will not have been "taken" + } + } // Get the eof handling char *eof = mlt_properties_get( properties, "eof" ); @@ -344,16 +365,16 @@ static mlt_service mlt_playlist_virtual_seek( mlt_playlist this, int *progressiv { int count = this->list[ i ]->frame_count / this->list[ i ]->repeat; *progressive = count == 1; - mlt_producer_seek( producer, position % count ); + mlt_producer_seek( producer, (int)position % count ); } else if ( !strcmp( eof, "pause" ) && total > 0 ) { playlist_entry *entry = this->list[ this->count - 1 ]; int count = entry->frame_count / entry->repeat; - mlt_producer this_producer = mlt_playlist_producer( this ); + mlt_producer this_producer = MLT_PLAYLIST_PRODUCER( this ); mlt_producer_seek( this_producer, original - 1 ); producer = entry->producer; - mlt_producer_seek( producer, entry->frame_out % count ); + mlt_producer_seek( producer, (int)entry->frame_out % count ); mlt_producer_set_speed( this_producer, 0 ); mlt_producer_set_speed( producer, 0 ); *progressive = count == 1; @@ -361,7 +382,7 @@ static mlt_service mlt_playlist_virtual_seek( mlt_playlist this, int *progressiv else if ( !strcmp( eof, "loop" ) && total > 0 ) { playlist_entry *entry = this->list[ 0 ]; - mlt_producer this_producer = mlt_playlist_producer( this ); + mlt_producer this_producer = MLT_PLAYLIST_PRODUCER( this ); mlt_producer_seek( this_producer, 0 ); producer = entry->producer; mlt_producer_seek( producer, 0 ); @@ -371,7 +392,7 @@ static mlt_service mlt_playlist_virtual_seek( mlt_playlist this, int *progressiv producer = &this->blank; } - return mlt_producer_service( producer ); + return MLT_PRODUCER_SERVICE( producer ); } /** Invoked when a producer indicates that it has prematurely reached its end. @@ -500,12 +521,12 @@ mlt_position mlt_playlist_clip( mlt_playlist this, mlt_whence whence, int index int mlt_playlist_get_clip_info( mlt_playlist this, mlt_playlist_clip_info *info, int index ) { - int error = index < 0 || index >= this->count; + int error = index < 0 || index >= this->count || this->list[ index ]->producer == NULL; memset( info, 0, sizeof( mlt_playlist_clip_info ) ); if ( !error ) { mlt_producer producer = mlt_producer_cut_parent( this->list[ index ]->producer ); - mlt_properties properties = mlt_producer_properties( producer ); + mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer ); info->clip = index; info->producer = producer; info->cut = this->list[ index ]->producer; @@ -542,7 +563,6 @@ int mlt_playlist_clear( mlt_playlist this ) mlt_producer_close( this->list[ i ]->producer ); } this->count = 0; - mlt_properties_set_double( mlt_playlist_properties( this ), "first_fps", 0 ); return mlt_playlist_virtual_refresh( this ); } @@ -582,12 +602,12 @@ int mlt_playlist_blank( mlt_playlist this, mlt_position length ) int mlt_playlist_insert( mlt_playlist this, mlt_producer producer, int where, mlt_position in, mlt_position out ) { // Append to end - mlt_events_block( mlt_playlist_properties( this ), this ); + mlt_events_block( MLT_PLAYLIST_PROPERTIES( this ), this ); mlt_playlist_append_io( this, producer, in, out ); // Move to the position specified mlt_playlist_move( this, this->count - 1, where ); - mlt_events_unblock( mlt_playlist_properties( this ), this ); + mlt_events_unblock( MLT_PLAYLIST_PROPERTIES( this ), this ); return mlt_playlist_virtual_refresh( this ); } @@ -602,12 +622,12 @@ int mlt_playlist_remove( mlt_playlist this, int where ) { // We need to know the current clip and the position within the playlist int current = mlt_playlist_current_clip( this ); - mlt_position position = mlt_producer_position( mlt_playlist_producer( this ) ); + mlt_position position = mlt_producer_position( MLT_PLAYLIST_PRODUCER( this ) ); // We need all the details about the clip we're removing mlt_playlist_clip_info where_info; playlist_entry *entry = this->list[ where ]; - mlt_properties properties = mlt_producer_properties( entry->producer ); + mlt_properties properties = MLT_PRODUCER_PROPERTIES( entry->producer ); // Loop variable int i = 0; @@ -640,7 +660,8 @@ int mlt_playlist_remove( mlt_playlist this, int where ) mlt_properties_set_data( mix, "mix_in", NULL, 0, NULL, NULL ); } - mlt_producer_clear( entry->producer ); + if ( mlt_properties_ref_count( MLT_PRODUCER_PROPERTIES( entry->producer ) ) == 1 ) + mlt_producer_clear( entry->producer ); } // Close the producer associated to the clip info @@ -649,11 +670,11 @@ int mlt_playlist_remove( mlt_playlist this, int where ) // Correct position if ( where == current ) - mlt_producer_seek( mlt_playlist_producer( this ), where_info.start ); + mlt_producer_seek( MLT_PLAYLIST_PRODUCER( this ), where_info.start ); else if ( where < current && this->count > 0 ) - mlt_producer_seek( mlt_playlist_producer( this ), position - where_info.frame_count ); + mlt_producer_seek( MLT_PLAYLIST_PRODUCER( this ), position - where_info.frame_count ); else if ( this->count == 0 ) - mlt_producer_seek( mlt_playlist_producer( this ), 0 ); + mlt_producer_seek( MLT_PLAYLIST_PRODUCER( this ), 0 ); // Free the entry free( entry ); @@ -686,7 +707,7 @@ int mlt_playlist_move( mlt_playlist this, int src, int dest ) if ( src != dest && this->count > 1 ) { int current = mlt_playlist_current_clip( this ); - mlt_position position = mlt_producer_position( mlt_playlist_producer( this ) ); + mlt_position position = mlt_producer_position( MLT_PLAYLIST_PRODUCER( this ) ); playlist_entry *src_entry = NULL; // We need all the details about the current clip @@ -716,7 +737,7 @@ int mlt_playlist_move( mlt_playlist this, int src, int dest ) this->list[ dest ] = src_entry; mlt_playlist_get_clip_info( this, ¤t_info, current ); - mlt_producer_seek( mlt_playlist_producer( this ), current_info.start + position ); + mlt_producer_seek( MLT_PLAYLIST_PRODUCER( this ), current_info.start + position ); mlt_playlist_virtual_refresh( this ); } @@ -748,6 +769,21 @@ int mlt_playlist_resize_clip( mlt_playlist this, int clip, mlt_position in, mlt_ { playlist_entry *entry = this->list[ clip ]; mlt_producer producer = entry->producer; + mlt_properties properties = MLT_PLAYLIST_PROPERTIES( this ); + + mlt_events_block( properties, properties ); + + if ( mlt_producer_is_blank( producer ) ) + { + // Make sure the blank is long enough to accomodate the length specified + if ( out - in + 1 > mlt_producer_get_length( &this->blank ) ) + { + mlt_properties blank_props = MLT_PRODUCER_PROPERTIES( &this->blank ); + mlt_properties_set_int( blank_props, "length", out - in + 1 ); + mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( producer ), "length", out - in + 1 ); + mlt_producer_set_in_and_out( &this->blank, 0, out - in ); + } + } if ( in <= -1 ) in = 0; @@ -762,6 +798,8 @@ int mlt_playlist_resize_clip( mlt_playlist this, int clip, mlt_position in, mlt_ } mlt_producer_set_in_and_out( producer, in, out ); + mlt_events_unblock( properties, properties ); + mlt_playlist_virtual_refresh( this ); } return error; } @@ -776,18 +814,33 @@ int mlt_playlist_split( mlt_playlist this, int clip, mlt_position position ) { playlist_entry *entry = this->list[ clip ]; position = position < 0 ? entry->frame_count + position - 1 : position; - if ( position >= 0 && position <= entry->frame_count ) + if ( position >= 0 && position < entry->frame_count - 1 ) { - mlt_producer split = NULL; int in = entry->frame_in; int out = entry->frame_out; - mlt_events_block( mlt_playlist_properties( this ), this ); + mlt_events_block( MLT_PLAYLIST_PROPERTIES( this ), this ); mlt_playlist_resize_clip( this, clip, in, in + position ); - split = mlt_producer_cut( entry->producer, in + position + 1, out ); - mlt_playlist_insert( this, split, clip + 1, 0, -1 ); - mlt_producer_close( split ); - mlt_events_unblock( mlt_playlist_properties( this ), this ); - mlt_events_fire( mlt_playlist_properties( this ), "producer-changed", NULL ); + if ( !mlt_producer_is_blank( entry->producer ) ) + { + int i = 0; + mlt_properties entry_properties = MLT_PRODUCER_PROPERTIES( entry->producer ); + mlt_producer split = mlt_producer_cut( entry->producer, in + position + 1, out ); + mlt_properties split_properties = MLT_PRODUCER_PROPERTIES( split ); + mlt_playlist_insert( this, split, clip + 1, 0, -1 ); + for ( i = 0; i < mlt_properties_count( entry_properties ); i ++ ) + { + char *name = mlt_properties_get_name( entry_properties, i ); + if ( name != NULL && !strncmp( name, "meta.", 5 ) ) + mlt_properties_set( split_properties, name, mlt_properties_get_value( entry_properties, i ) ); + } + mlt_producer_close( split ); + } + else + { + mlt_playlist_insert( this, &this->blank, clip + 1, 0, out - position - 1 ); + } + mlt_events_unblock( MLT_PLAYLIST_PROPERTIES( this ), this ); + mlt_playlist_virtual_refresh( this ); } else { @@ -797,19 +850,50 @@ int mlt_playlist_split( mlt_playlist this, int clip, mlt_position position ) return error; } +/** Split the playlist at the absolute position. +*/ + +int mlt_playlist_split_at( mlt_playlist this, mlt_position position, int left ) +{ + int result = this == NULL ? -1 : 0; + if ( !result ) + { + if ( position >= 0 && position < mlt_producer_get_playtime( MLT_PLAYLIST_PRODUCER( this ) ) ) + { + int clip = mlt_playlist_get_clip_index_at( this, position ); + mlt_playlist_clip_info info; + mlt_playlist_get_clip_info( this, &info, clip ); + if ( left && position != info.start ) + mlt_playlist_split( this, clip, position - info.start - 1 ); + else if ( !left ) + mlt_playlist_split( this, clip, position - info.start ); + result = position; + } + else if ( position <= 0 ) + { + result = 0; + } + else + { + result = mlt_producer_get_playtime( MLT_PLAYLIST_PRODUCER( this ) ); + } + } + return result; +} + /** Join 1 or more consecutive clips. */ int mlt_playlist_join( mlt_playlist this, int clip, int count, int merge ) { - int error = clip < 0 || ( clip ) >= this->count; + int error = clip < 0 || clip >= this->count; if ( error == 0 ) { int i = clip; mlt_playlist new_clip = mlt_playlist_init( ); - mlt_events_block( mlt_playlist_properties( this ), this ); + mlt_events_block( MLT_PLAYLIST_PROPERTIES( this ), this ); if ( clip + count >= this->count ) - count = this->count - clip; + count = this->count - clip - 1; for ( i = 0; i <= count; i ++ ) { playlist_entry *entry = this->list[ clip ]; @@ -818,8 +902,8 @@ int mlt_playlist_join( mlt_playlist this, int clip, int count, int merge ) entry->preservation_hack = 1; mlt_playlist_remove( this, clip ); } - mlt_events_unblock( mlt_playlist_properties( this ), this ); - mlt_playlist_insert( this, mlt_playlist_producer( new_clip ), clip, 0, -1 ); + mlt_events_unblock( MLT_PLAYLIST_PROPERTIES( this ), this ); + mlt_playlist_insert( this, MLT_PLAYLIST_PRODUCER( new_clip ), clip, 0, -1 ); mlt_playlist_close( new_clip ); } return error; @@ -838,7 +922,7 @@ int mlt_playlist_mix( mlt_playlist this, int clip, int length, mlt_transition tr mlt_producer track_a = NULL; mlt_producer track_b = NULL; mlt_tractor tractor = mlt_tractor_new( ); - mlt_events_block( mlt_playlist_properties( this ), this ); + mlt_events_block( MLT_PLAYLIST_PROPERTIES( this ), this ); // Check length is valid for both clips and resize if necessary. int max_size = clip_a->frame_count > clip_b->frame_count ? clip_a->frame_count : clip_b->frame_count; @@ -860,8 +944,8 @@ int mlt_playlist_mix( mlt_playlist this, int clip, int length, mlt_transition tr mlt_tractor_set_track( tractor, track_b, 1 ); // Insert the mix object into the playlist - mlt_playlist_insert( this, mlt_tractor_producer( tractor ), clip + 1, -1, -1 ); - mlt_properties_set_data( mlt_tractor_properties( tractor ), "mlt_mix", tractor, 0, NULL, NULL ); + mlt_playlist_insert( this, MLT_TRACTOR_PRODUCER( tractor ), clip + 1, -1, -1 ); + mlt_properties_set_data( MLT_TRACTOR_PROPERTIES( tractor ), "mlt_mix", tractor, 0, NULL, NULL ); // Attach the transition if ( transition != NULL ) @@ -886,8 +970,8 @@ int mlt_playlist_mix( mlt_playlist this, int clip, int length, mlt_transition tr else if ( clip_b->frame_out - clip_b->frame_in > length ) { mlt_playlist_resize_clip( this, clip + 2, clip_b->frame_in + length, clip_b->frame_out ); - mlt_properties_set_data( mlt_producer_properties( clip_b->producer ), "mix_in", tractor, 0, NULL, NULL ); - mlt_properties_set_data( mlt_tractor_properties( tractor ), "mix_out", clip_b->producer, 0, NULL, NULL ); + mlt_properties_set_data( MLT_PRODUCER_PROPERTIES( clip_b->producer ), "mix_in", tractor, 0, NULL, NULL ); + mlt_properties_set_data( MLT_TRACTOR_PROPERTIES( tractor ), "mix_out", clip_b->producer, 0, NULL, NULL ); } else { @@ -904,8 +988,8 @@ int mlt_playlist_mix( mlt_playlist this, int clip, int length, mlt_transition tr else if ( clip_a->frame_out - clip_a->frame_in > length ) { mlt_playlist_resize_clip( this, clip, clip_a->frame_in, clip_a->frame_out - length ); - mlt_properties_set_data( mlt_producer_properties( clip_a->producer ), "mix_out", tractor, 0, NULL, NULL ); - mlt_properties_set_data( mlt_tractor_properties( tractor ), "mix_in", clip_a->producer, 0, NULL, NULL ); + mlt_properties_set_data( MLT_PRODUCER_PROPERTIES( clip_a->producer ), "mix_out", tractor, 0, NULL, NULL ); + mlt_properties_set_data( MLT_TRACTOR_PROPERTIES( tractor ), "mix_in", clip_a->producer, 0, NULL, NULL ); } else { @@ -914,7 +998,7 @@ int mlt_playlist_mix( mlt_playlist this, int clip, int length, mlt_transition tr } // Unblock and force a fire off of change events to listeners - mlt_events_unblock( mlt_playlist_properties( this ), this ); + mlt_events_unblock( MLT_PLAYLIST_PROPERTIES( this ), this ); mlt_playlist_virtual_refresh( this ); mlt_tractor_close( tractor ); } @@ -927,7 +1011,7 @@ int mlt_playlist_mix( mlt_playlist this, int clip, int length, mlt_transition tr int mlt_playlist_mix_add( mlt_playlist this, int clip, mlt_transition transition ) { mlt_producer producer = mlt_producer_cut_parent( mlt_playlist_get_clip( this, clip ) ); - mlt_properties properties = producer != NULL ? mlt_producer_properties( producer ) : NULL; + mlt_properties properties = producer != NULL ? MLT_PRODUCER_PROPERTIES( producer ) : NULL; mlt_tractor tractor = properties != NULL ? mlt_properties_get_data( properties, "mlt_mix", NULL ) : NULL; int error = transition == NULL || tractor == NULL; if ( error == 0 ) @@ -952,7 +1036,7 @@ mlt_producer mlt_playlist_get_clip( mlt_playlist this, int clip ) /** Return the clip at the specified position. */ -mlt_producer mlt_playlist_get_clip_at( mlt_playlist this, int position ) +mlt_producer mlt_playlist_get_clip_at( mlt_playlist this, mlt_position position ) { int index = 0, total = 0; return mlt_playlist_locate( this, &position, &index, &total ); @@ -961,7 +1045,7 @@ mlt_producer mlt_playlist_get_clip_at( mlt_playlist this, int position ) /** Return the clip index of the specified position. */ -int mlt_playlist_get_clip_index_at( mlt_playlist this, int position ) +int mlt_playlist_get_clip_index_at( mlt_playlist this, mlt_position position ) { int index = 0, total = 0; mlt_playlist_locate( this, &position, &index, &total ); @@ -974,7 +1058,7 @@ int mlt_playlist_get_clip_index_at( mlt_playlist this, int position ) int mlt_playlist_clip_is_mix( mlt_playlist this, int clip ) { mlt_producer producer = mlt_producer_cut_parent( mlt_playlist_get_clip( this, clip ) ); - mlt_properties properties = producer != NULL ? mlt_producer_properties( producer ) : NULL; + mlt_properties properties = producer != NULL ? MLT_PRODUCER_PROPERTIES( producer ) : NULL; mlt_tractor tractor = properties != NULL ? mlt_properties_get_data( properties, "mlt_mix", NULL ) : NULL; return tractor != NULL; } @@ -991,7 +1075,7 @@ static int mlt_playlist_unmix( mlt_playlist this, int clip ) if ( error == 0 ) { mlt_producer producer = mlt_producer_cut_parent( this->list[ clip ]->producer ); - mlt_properties properties = mlt_producer_properties( producer ); + mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer ); error = mlt_properties_get_data( properties, "mlt_mix", NULL ) == NULL || this->list[ clip ]->preservation_hack; } @@ -1000,11 +1084,11 @@ static int mlt_playlist_unmix( mlt_playlist this, int clip ) { playlist_entry *mix = this->list[ clip ]; mlt_tractor tractor = ( mlt_tractor )mlt_producer_cut_parent( mix->producer ); - mlt_properties properties = mlt_tractor_properties( tractor ); + mlt_properties properties = MLT_TRACTOR_PROPERTIES( tractor ); mlt_producer clip_a = mlt_properties_get_data( properties, "mix_in", NULL ); mlt_producer clip_b = mlt_properties_get_data( properties, "mix_out", NULL ); - int length = mlt_producer_get_playtime( mlt_tractor_producer( tractor ) ); - mlt_events_block( mlt_playlist_properties( this ), this ); + int length = mlt_producer_get_playtime( MLT_TRACTOR_PRODUCER( tractor ) ); + mlt_events_block( MLT_PLAYLIST_PROPERTIES( this ), this ); if ( clip_a != NULL ) { @@ -1029,8 +1113,8 @@ static int mlt_playlist_unmix( mlt_playlist this, int clip ) mlt_properties_set_data( properties, "mlt_mix", NULL, 0, NULL, NULL ); mlt_playlist_remove( this, clip ); - mlt_events_unblock( mlt_playlist_properties( this ), this ); - mlt_events_fire( mlt_playlist_properties( this ), "producer-changed", NULL ); + mlt_events_unblock( MLT_PLAYLIST_PROPERTIES( this ), this ); + mlt_playlist_virtual_refresh( this ); } return error; } @@ -1043,7 +1127,7 @@ static int mlt_playlist_resize_mix( mlt_playlist this, int clip, int in, int out if ( error == 0 ) { mlt_producer producer = mlt_producer_cut_parent( this->list[ clip ]->producer ); - mlt_properties properties = mlt_producer_properties( producer ); + mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer ); error = mlt_properties_get_data( properties, "mlt_mix", NULL ) == NULL; } @@ -1051,14 +1135,14 @@ static int mlt_playlist_resize_mix( mlt_playlist this, int clip, int in, int out { playlist_entry *mix = this->list[ clip ]; mlt_tractor tractor = ( mlt_tractor )mlt_producer_cut_parent( mix->producer ); - mlt_properties properties = mlt_tractor_properties( tractor ); + mlt_properties properties = MLT_TRACTOR_PROPERTIES( tractor ); mlt_producer clip_a = mlt_properties_get_data( properties, "mix_in", NULL ); mlt_producer clip_b = mlt_properties_get_data( properties, "mix_out", NULL ); mlt_producer track_a = mlt_tractor_get_track( tractor, 0 ); mlt_producer track_b = mlt_tractor_get_track( tractor, 1 ); int length = out - in + 1; - int length_diff = length - mlt_producer_get_playtime( mlt_tractor_producer( tractor ) ); - mlt_events_block( mlt_playlist_properties( this ), this ); + int length_diff = length - mlt_producer_get_playtime( MLT_TRACTOR_PRODUCER( tractor ) ); + mlt_events_block( MLT_PLAYLIST_PROPERTIES( this ), this ); if ( clip_a != NULL ) mlt_producer_set_in_and_out( clip_a, mlt_producer_get_in( clip_a ), mlt_producer_get_out( clip_a ) - length_diff ); @@ -1068,22 +1152,293 @@ static int mlt_playlist_resize_mix( mlt_playlist this, int clip, int in, int out mlt_producer_set_in_and_out( track_a, mlt_producer_get_in( track_a ) - length_diff, mlt_producer_get_out( track_a ) ); mlt_producer_set_in_and_out( track_b, mlt_producer_get_in( track_b ), mlt_producer_get_out( track_b ) + length_diff ); - mlt_producer_set_in_and_out( mlt_multitrack_producer( mlt_tractor_multitrack( tractor ) ), in, out ); - mlt_producer_set_in_and_out( mlt_tractor_producer( tractor ), in, out ); - mlt_properties_set_position( mlt_producer_properties( mix->producer ), "length", out - in + 1 ); + mlt_producer_set_in_and_out( MLT_MULTITRACK_PRODUCER( mlt_tractor_multitrack( tractor ) ), in, out ); + mlt_producer_set_in_and_out( MLT_TRACTOR_PRODUCER( tractor ), in, out ); + mlt_properties_set_position( MLT_PRODUCER_PROPERTIES( mix->producer ), "length", out - in + 1 ); mlt_producer_set_in_and_out( mix->producer, in, out ); - mlt_events_unblock( mlt_playlist_properties( this ), this ); + mlt_events_unblock( MLT_PLAYLIST_PROPERTIES( this ), this ); mlt_playlist_virtual_refresh( this ); } return error; } +/** Consolodate adjacent blank producers. +*/ + +void mlt_playlist_consolidate_blanks( mlt_playlist this, int keep_length ) +{ + if ( this != NULL ) + { + int i = 0; + mlt_properties properties = MLT_PLAYLIST_PROPERTIES( this ); + + mlt_events_block( properties, properties ); + for ( i = 1; i < this->count; i ++ ) + { + playlist_entry *left = this->list[ i - 1 ]; + playlist_entry *right = this->list[ i ]; + + if ( mlt_producer_is_blank( left->producer ) && mlt_producer_is_blank( right->producer ) ) + { + mlt_playlist_resize_clip( this, i - 1, 0, left->frame_count + right->frame_count - 1 ); + mlt_playlist_remove( this, i -- ); + } + } + + if ( !keep_length && this->count > 0 ) + { + playlist_entry *last = this->list[ this->count - 1 ]; + if ( mlt_producer_is_blank( last->producer ) ) + mlt_playlist_remove( this, this->count - 1 ); + } + + mlt_events_unblock( properties, properties ); + mlt_playlist_virtual_refresh( this ); + } +} + +/** Determine if the specified clip index is a blank. +*/ + +int mlt_playlist_is_blank( mlt_playlist this, int clip ) +{ + return this == NULL || mlt_producer_is_blank( mlt_playlist_get_clip( this, clip ) ); +} + +/** Determine if the specified position is a blank. +*/ + +int mlt_playlist_is_blank_at( mlt_playlist this, mlt_position position ) +{ + return this == NULL || mlt_producer_is_blank( mlt_playlist_get_clip_at( this, position ) ); +} + +/** Replace the specified clip with a blank and return the clip. +*/ + +mlt_producer mlt_playlist_replace_with_blank( mlt_playlist this, int clip ) +{ + mlt_producer producer = NULL; + if ( !mlt_playlist_is_blank( this, clip ) ) + { + playlist_entry *entry = this->list[ clip ]; + int in = entry->frame_in; + int out = entry->frame_out; + mlt_properties properties = MLT_PLAYLIST_PROPERTIES( this ); + producer = entry->producer; + mlt_properties_inc_ref( MLT_PRODUCER_PROPERTIES( producer ) ); + mlt_events_block( properties, properties ); + mlt_playlist_remove( this, clip ); + mlt_playlist_blank( this, out - in ); + mlt_playlist_move( this, this->count - 1, clip ); + mlt_events_unblock( properties, properties ); + mlt_playlist_virtual_refresh( this ); + mlt_producer_set_in_and_out( producer, in, out ); + } + return producer; +} + +void mlt_playlist_insert_blank( mlt_playlist this, int clip, int length ) +{ + if ( this != NULL && length >= 0 ) + { + mlt_properties properties = MLT_PLAYLIST_PROPERTIES( this ); + mlt_events_block( properties, properties ); + mlt_playlist_blank( this, length ); + mlt_playlist_move( this, this->count - 1, clip ); + mlt_events_unblock( properties, properties ); + mlt_playlist_virtual_refresh( this ); + } +} + +void mlt_playlist_pad_blanks( mlt_playlist this, mlt_position position, int length, int find ) +{ + if ( this != NULL && length != 0 ) + { + int clip = mlt_playlist_get_clip_index_at( this, position ); + mlt_properties properties = MLT_PLAYLIST_PROPERTIES( this ); + mlt_events_block( properties, properties ); + if ( find && clip < this->count && !mlt_playlist_is_blank( this, clip ) ) + clip ++; + if ( clip < this->count && mlt_playlist_is_blank( this, clip ) ) + { + mlt_playlist_clip_info info; + mlt_playlist_get_clip_info( this, &info, clip ); + if ( info.frame_out + length > info.frame_in ) + mlt_playlist_resize_clip( this, clip, info.frame_in, info.frame_out + length ); + else + mlt_playlist_remove( this, clip ); + } + else if ( find && clip < this->count && length > 0 ) + { + mlt_playlist_insert_blank( this, clip, length ); + } + mlt_events_unblock( properties, properties ); + mlt_playlist_virtual_refresh( this ); + } +} + +int mlt_playlist_insert_at( mlt_playlist this, mlt_position position, mlt_producer producer, int mode ) +{ + int ret = this == NULL || position < 0 || producer == NULL; + if ( ret == 0 ) + { + mlt_properties properties = MLT_PLAYLIST_PROPERTIES( this ); + int length = mlt_producer_get_playtime( producer ); + int clip = mlt_playlist_get_clip_index_at( this, position ); + mlt_playlist_clip_info info; + mlt_playlist_get_clip_info( this, &info, clip ); + mlt_events_block( properties, this ); + if ( clip < this->count && mlt_playlist_is_blank( this, clip ) ) + { + // Split and move to new clip if need be + if ( position != info.start && mlt_playlist_split( this, clip, position - info.start - 1 ) == 0 ) + mlt_playlist_get_clip_info( this, &info, ++ clip ); + + // Split again if need be + if ( length < info.frame_count ) + mlt_playlist_split( this, clip, length - 1 ); + + // Remove + mlt_playlist_remove( this, clip ); + + // Insert + mlt_playlist_insert( this, producer, clip, -1, -1 ); + ret = clip; + } + else if ( clip < this->count ) + { + if ( position > info.start + info.frame_count / 2 ) + clip ++; + if ( mode == 1 && clip < this->count && mlt_playlist_is_blank( this, clip ) ) + { + mlt_playlist_get_clip_info( this, &info, clip ); + if ( length < info.frame_count ) + mlt_playlist_split( this, clip, length ); + mlt_playlist_remove( this, clip ); + } + mlt_playlist_insert( this, producer, clip, -1, -1 ); + ret = clip; + } + else + { + if ( mode == 1 ) { + if ( position == info.start ) + mlt_playlist_remove( this, clip ); + else + mlt_playlist_blank( this, position - mlt_properties_get_int( properties, "length" ) - 1 ); + } + mlt_playlist_append( this, producer ); + ret = this->count - 1; + } + mlt_events_unblock( properties, this ); + mlt_playlist_virtual_refresh( this ); + } + else + { + ret = -1; + } + return ret; +} + +int mlt_playlist_clip_start( mlt_playlist this, int clip ) +{ + mlt_playlist_clip_info info; + if ( mlt_playlist_get_clip_info( this, &info, clip ) == 0 ) + return info.start; + return clip < 0 ? 0 : mlt_producer_get_playtime( MLT_PLAYLIST_PRODUCER( this ) ); +} + +int mlt_playlist_clip_length( mlt_playlist this, int clip ) +{ + mlt_playlist_clip_info info; + if ( mlt_playlist_get_clip_info( this, &info, clip ) == 0 ) + return info.frame_count; + return 0; +} + +int mlt_playlist_blanks_from( mlt_playlist this, int clip, int bounded ) +{ + int count = 0; + mlt_playlist_clip_info info; + if ( this != NULL && clip < this->count ) + { + mlt_playlist_get_clip_info( this, &info, clip ); + if ( mlt_playlist_is_blank( this, clip ) ) + count += info.frame_count; + if ( bounded == 0 ) + bounded = this->count; + for ( clip ++; clip < this->count && bounded >= 0; clip ++ ) + { + mlt_playlist_get_clip_info( this, &info, clip ); + if ( mlt_playlist_is_blank( this, clip ) ) + count += info.frame_count; + else + bounded --; + } + } + return count; +} + +int mlt_playlist_remove_region( mlt_playlist this, mlt_position position, int length ) +{ + int index = mlt_playlist_get_clip_index_at( this, position ); + if ( index >= 0 && index < this->count ) + { + mlt_properties properties = MLT_PLAYLIST_PROPERTIES( this ); + int clip_start = mlt_playlist_clip_start( this, index ); + int clip_length = mlt_playlist_clip_length( this, index ); + int list_length = mlt_producer_get_playtime( MLT_PLAYLIST_PRODUCER( this ) ); + mlt_events_block( properties, this ); + + if ( position + length > list_length ) + length -= ( position + length - list_length ); + + if ( clip_start < position ) + { + mlt_playlist_split( this, index ++, position - clip_start ); + clip_length -= position - clip_start; + } + + while( length > 0 ) + { + if ( mlt_playlist_clip_length( this, index ) > length ) + mlt_playlist_split( this, index, length ); + length -= mlt_playlist_clip_length( this, index ); + mlt_playlist_remove( this, index ); + } + + mlt_playlist_consolidate_blanks( this, 0 ); + mlt_events_unblock( properties, this ); + mlt_playlist_virtual_refresh( this ); + + // Just to be sure, we'll get the clip index again... + index = mlt_playlist_get_clip_index_at( this, position ); + } + return index; +} + +int mlt_playlist_move_region( mlt_playlist this, mlt_position position, int length, int new_position ) +{ + if ( this != NULL ) + { + } + return 0; +} + /** Get the current frame. */ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index ) { + // Check that we have a producer + if ( producer == NULL ) + { + *frame = NULL; + return -1; + } + // Get this mlt_playlist mlt_playlist this = producer->child; @@ -1093,11 +1448,33 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i // Get the real producer mlt_service real = mlt_playlist_virtual_seek( this, &progressive ); + // Check that we have a producer + if ( real == NULL ) + { + *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( producer ) ); + return 0; + } + // Get the frame - mlt_service_get_frame( real, frame, index ); + if ( !mlt_properties_get_int( MLT_SERVICE_PROPERTIES( real ), "meta.fx_cut" ) ) + { + mlt_service_get_frame( real, frame, index ); + } + else + { + mlt_producer parent = mlt_producer_cut_parent( ( mlt_producer )real ); + *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( parent ) ); + mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "fx_cut", 1 ); + mlt_frame_push_service( *frame, NULL ); + mlt_frame_push_audio( *frame, NULL ); + mlt_service_apply_filters( MLT_PRODUCER_SERVICE( parent ), *frame, 0 ); + mlt_service_apply_filters( real, *frame, 0 ); + mlt_deque_pop_front( MLT_FRAME_IMAGE_STACK( *frame ) ); + mlt_deque_pop_front( MLT_FRAME_AUDIO_STACK( *frame ) ); + } // Check if we're at the end of the clip - mlt_properties properties = mlt_frame_properties( *frame ); + mlt_properties properties = MLT_FRAME_PROPERTIES( *frame ); if ( mlt_properties_get_int( properties, "end_of_clip" ) ) mlt_playlist_virtual_set_out( this ); @@ -1109,7 +1486,7 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i } // Check for notifier and call with appropriate argument - mlt_properties playlist_properties = mlt_producer_properties( producer ); + mlt_properties playlist_properties = MLT_PRODUCER_PROPERTIES( producer ); void ( *notifier )( void * ) = mlt_properties_get_data( playlist_properties, "notifier", NULL ); if ( notifier != NULL ) { @@ -1131,7 +1508,7 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i void mlt_playlist_close( mlt_playlist this ) { - if ( this != NULL && mlt_properties_dec_ref( mlt_playlist_properties( this ) ) <= 0 ) + if ( this != NULL && mlt_properties_dec_ref( MLT_PLAYLIST_PROPERTIES( this ) ) <= 0 ) { int i = 0; this->parent.close = NULL;