#include "config.h"
#include "mlt_playlist.h"
+#include "mlt_tractor.h"
+#include "mlt_field.h"
#include "mlt_frame.h"
+#include "mlt_transition.h"
#include <stdio.h>
#include <stdlib.h>
/** Virtual playlist entry.
*/
-typedef struct
+typedef struct playlist_entry_s
{
mlt_producer producer;
mlt_position frame_in;
mlt_position frame_out;
mlt_position frame_count;
+ mlt_position producer_length;
mlt_event event;
+ int mix_in_length;
+ int mix_out_length;
+ struct playlist_entry_s *mix_in;
+ struct playlist_entry_s *mix_out;
}
playlist_entry;
*/
static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index );
+static int mlt_playlist_unmix( mlt_playlist this, int clip );
+static int mlt_playlist_resize_mix( mlt_playlist this, int clip, int in, int out );
/** Constructor.
*/
{
// 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 )
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 ) ) )
+ {
+ // This clip should be removed...
+ if ( current_length == 1 )
+ {
+ this->list[ i ]->frame_in = 0;
+ this->list[ i ]->frame_out = 0;
+ 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 frame_count for this clip
frame_count += this->list[ i ]->frame_count;
}
/** Append to the virtual playlist.
*/
-static int mlt_playlist_virtual_append( mlt_playlist this, mlt_producer producer, mlt_position in, mlt_position out )
+static int mlt_playlist_virtual_append( mlt_playlist this, mlt_producer source, mlt_position in, mlt_position out )
{
- mlt_properties properties = mlt_producer_properties( producer );
+ mlt_producer producer = NULL;
+ mlt_properties properties = NULL;
+
+ // If we have a cut, then use the in/out points from the cut
+ if ( &this->blank == source )
+ {
+ producer = source;
+ properties = mlt_producer_properties( producer );
+ mlt_properties_inc_ref( properties );
+ }
+ else if ( mlt_producer_is_cut( source ) )
+ {
+ producer = source;
+ if ( in == -1 )
+ 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 );
+ mlt_properties_inc_ref( properties );
+ }
+ else
+ {
+ producer = mlt_producer_cut( source, in, out );
+ if ( in == -1 || in < mlt_producer_get_in( producer ) )
+ 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 );
+ }
+
// Check that we have room
if ( this->count >= this->size )
this->list[ this->count ]->frame_in = in;
this->list[ this->count ]->frame_out = out;
this->list[ this->count ]->frame_count = out - in + 1;
+ this->list[ this->count ]->producer_length = mlt_producer_get_out( producer ) - mlt_producer_get_in( producer ) + 1;
this->list[ this->count ]->event = mlt_events_listen( properties, this, "producer-changed", ( mlt_listener )mlt_playlist_listener );
mlt_event_inc_ref( this->list[ this->count ]->event );
+ mlt_properties_set( mlt_producer_properties( source ), "eof", "pause" );
mlt_properties_set( properties, "eof", "pause" );
+ mlt_producer_set_speed( source, 0 );
mlt_producer_set_speed( producer, 0 );
this->count ++;
- mlt_properties_inc_ref( properties );
-
return mlt_playlist_virtual_refresh( this );
}
// Seek in real producer to relative position
if ( producer != NULL )
{
- position += this->list[ i ]->frame_in;
mlt_producer_seek( producer, position );
}
else if ( !strcmp( eof, "pause" ) && total > 0 )
mlt_producer this_producer = mlt_playlist_producer( this );
mlt_producer_seek( this_producer, 0 );
producer = entry->producer;
- mlt_producer_seek( producer, entry->frame_in );
+ mlt_producer_seek( producer, 0 );
}
else
{
memset( info, 0, sizeof( mlt_playlist_clip_info ) );
if ( !error )
{
- mlt_producer producer = this->list[ index ]->producer;
+ mlt_producer producer = mlt_producer_cut_parent( this->list[ index ]->producer );
mlt_properties properties = mlt_producer_properties( producer );
info->clip = index;
info->producer = producer;
int mlt_playlist_remove( mlt_playlist this, int where )
{
- if ( this->count > 0 )
+ int error = where < 0 || where >= this->count;
+ if ( error == 0 && mlt_playlist_unmix( this, where ) != 0 )
{
// We need to know the current clip and the position within the playlist
int current = mlt_playlist_current_clip( this );
// We need all the details about the clip we're removing
mlt_playlist_clip_info where_info;
+ playlist_entry *entry = this->list[ where ];
// Loop variable
int i = 0;
+ // Get the clip info
+ mlt_playlist_get_clip_info( this, &where_info, where );
+
// Make sure the clip to be removed is valid and correct if necessary
if ( where < 0 )
where = 0;
if ( where >= this->count )
where = this->count - 1;
- // Get the clip info of the clip to be removed
- mlt_playlist_get_clip_info( this, &where_info, where );
-
// Close the producer associated to the clip info
- mlt_event_close( where_info.event );
- mlt_producer_close( where_info.producer );
+ mlt_event_close( entry->event );
+ mlt_producer_close( entry->producer );
+ if ( entry->mix_in != NULL )
+ entry->mix_in->mix_out = NULL;
+ if ( entry->mix_out != NULL )
+ entry->mix_out->mix_in = NULL;
// Reorganise the list
for ( i = where + 1; i < this->count; i ++ )
else if ( this->count == 0 )
mlt_producer_seek( mlt_playlist_producer( this ), 0 );
+ // Free the entry
+ free( entry );
+
// Refresh the playlist
mlt_playlist_virtual_refresh( this );
}
- return 0;
+ return error;
}
/** Move an entry in the playlist.
int mlt_playlist_resize_clip( mlt_playlist this, int clip, mlt_position in, mlt_position out )
{
int error = clip < 0 || clip >= this->count;
- if ( error == 0 )
+ if ( error == 0 && mlt_playlist_resize_mix( this, clip, in, out ) != 0 )
{
playlist_entry *entry = this->list[ clip ];
mlt_producer producer = entry->producer;
if ( in <= -1 )
in = 0;
- if ( out <= -1 || out >= mlt_producer_get_playtime( producer ) )
- out = mlt_producer_get_playtime( producer ) - 1;
+ if ( out <= -1 || out >= mlt_producer_get_length( producer ) )
+ out = mlt_producer_get_length( producer ) - 1;
if ( out < in )
{
out = t;
}
- entry->frame_in = in;
- entry->frame_out = out;
- entry->frame_count = out - in + 1;
- mlt_playlist_virtual_refresh( this );
+ mlt_producer_set_in_and_out( producer, in, out );
}
return error;
}
playlist_entry *entry = this->list[ clip ];
if ( position > 0 && position < entry->frame_count )
{
+ mlt_producer parent = mlt_producer_cut_parent( entry->producer );
+ mlt_producer split = NULL;
int in = entry->frame_in;
int out = entry->frame_out;
mlt_events_block( mlt_playlist_properties( this ), this );
mlt_playlist_resize_clip( this, clip, in, in + position );
+ split = mlt_producer_cut( parent, in + position + 1, out );
+ mlt_playlist_insert( this, split, clip + 1, -1, -1 );
mlt_events_unblock( mlt_playlist_properties( this ), this );
- mlt_playlist_insert( this, entry->producer, clip + 1, in + position + 1, out );
+ mlt_events_fire( mlt_playlist_properties( this ), "producer-changed", NULL );
}
else
{
for ( i = 0; i <= count; i ++ )
{
playlist_entry *entry = this->list[ clip ];
- mlt_playlist_append_io( new_clip, entry->producer, entry->frame_in, entry->frame_out );
+ mlt_playlist_append( new_clip, entry->producer );
mlt_playlist_remove( this, clip );
}
mlt_events_unblock( mlt_playlist_properties( this ), this );
return error;
}
+int mlt_playlist_mix( mlt_playlist this, int clip, int length, mlt_transition transition )
+{
+ int error = ( clip < 0 || clip + 1 >= this->count ) && this->list[ clip ]->mix_out != NULL;
+ if ( error == 0 )
+ {
+ playlist_entry *clip_a = this->list[ clip ];
+ playlist_entry *clip_b = this->list[ clip + 1 ];
+ mlt_producer track_a;
+ mlt_producer track_b;
+ mlt_tractor tractor = mlt_tractor_new( );
+ mlt_events_block( mlt_playlist_properties( this ), this );
+
+ track_a = mlt_producer_cut( clip_a->producer, clip_a->frame_out - length + 1, clip_a->frame_out );
+ mlt_properties_set_int( mlt_producer_properties( track_a ), "cut", 1 );
+ track_b = mlt_producer_cut( clip_b->producer, clip_b->frame_in, clip_b->frame_in + length - 1 );
+ mlt_properties_set_int( mlt_producer_properties( track_b ), "cut", 1 );
+
+ mlt_playlist_resize_clip( this, clip, clip_a->frame_in, clip_a->frame_out - length + 1 );
+ mlt_playlist_resize_clip( this, clip + 1, clip_b->frame_in + length, clip_b->frame_out );
+
+ mlt_tractor_set_track( tractor, track_a, 0 );
+ mlt_tractor_set_track( tractor, track_b, 1 );
+ 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 );
+
+ if ( transition != NULL )
+ {
+ mlt_field field = mlt_tractor_field( tractor );
+ mlt_field_plant_transition( field, transition, 0, 1 );
+ mlt_transition_set_in_and_out( transition, 0, length - 1 );
+ }
+
+ if ( clip_b->frame_count <= 0 )
+ mlt_playlist_remove( this, clip + 2 );
+
+ if ( clip_a->frame_count <= 0 )
+ mlt_playlist_remove( this, clip );
+
+ mlt_events_unblock( mlt_playlist_properties( this ), this );
+ mlt_events_fire( mlt_playlist_properties( this ), "producer-changed", NULL );
+ mlt_producer_close( track_a );
+ mlt_producer_close( track_b );
+ mlt_tractor_close( tractor );
+ }
+ return error;
+}
+
+static int mlt_playlist_unmix( mlt_playlist this, int clip )
+{
+ int error = ( clip < 0 || clip >= this->count );
+
+ // Ensure that the clip request is actually a mix
+ if ( error == 0 )
+ {
+ mlt_producer producer = this->list[ clip ]->producer;
+ mlt_properties properties = mlt_producer_properties( producer );
+ error = !mlt_properties_get_int( properties, "mlt_mix" );
+ }
+
+ if ( error == 0 )
+ {
+ playlist_entry *mix = this->list[ clip ];
+ playlist_entry *clip_a = mix->mix_in;
+ playlist_entry *clip_b = mix->mix_out;
+ int length = mix->mix_in_length;
+ mlt_events_block( mlt_playlist_properties( this ), this );
+
+ if ( clip_a != NULL )
+ {
+ clip_a->frame_out += length;
+ clip_a->frame_count += length;
+ clip_a->mix_out = NULL;
+ clip_a->mix_out_length = 0;
+ }
+ else
+ {
+ mlt_tractor tractor = ( mlt_tractor )mix->producer;
+ mlt_playlist playlist = ( mlt_playlist )mlt_tractor_get_track( tractor, 0 );
+ mlt_producer producer = playlist->list[ 0 ]->producer;
+ mlt_playlist_insert( this, producer, clip, playlist->list[0]->frame_in, playlist->list[0]->frame_out );
+ clip ++;
+ }
+
+ if ( clip_b != NULL )
+ {
+ clip_b->frame_in -= length;
+ clip_b->frame_count += length;
+ clip_b->mix_in = NULL;
+ clip_b->mix_in_length = 0;
+ }
+ else
+ {
+ mlt_tractor tractor = ( mlt_tractor )mix->producer;
+ mlt_playlist playlist = ( mlt_playlist )mlt_tractor_get_track( tractor, 1 );
+ mlt_producer producer = playlist->list[ 0 ]->producer;
+ mlt_playlist_insert( this, producer, clip + 1, playlist->list[0]->frame_in, playlist->list[0]->frame_out );
+ }
+
+ mlt_properties_set_int( mlt_producer_properties( mix->producer ), "mlt_mix", 0 );
+ mlt_playlist_remove( this, clip );
+ mlt_events_unblock( mlt_playlist_properties( this ), this );
+ mlt_events_fire( mlt_playlist_properties( this ), "producer-changed", NULL );
+ }
+ return error;
+}
+
+static int mlt_playlist_resize_mix( mlt_playlist this, int clip, int in, int out )
+{
+ int error = ( clip < 0 || clip >= this->count );
+
+ // Ensure that the clip request is actually a mix
+ if ( error == 0 )
+ {
+ mlt_producer producer = this->list[ clip ]->producer;
+ mlt_properties properties = mlt_producer_properties( producer );
+ error = !mlt_properties_get_int( properties, "mlt_mix" );
+ }
+
+ if ( error == 0 )
+ {
+ playlist_entry *mix = this->list[ clip ];
+ playlist_entry *clip_a = mix->mix_in;
+ playlist_entry *clip_b = mix->mix_out;
+ int length = out - in + 1;
+ int length_diff = length - mix->mix_in_length;
+ mlt_events_block( mlt_playlist_properties( this ), this );
+
+ if ( clip_a != NULL )
+ {
+ clip_a->frame_out -= length_diff;
+ clip_a->frame_count -= length_diff;
+ clip_a->mix_out_length -= length_diff;
+ }
+
+ if ( clip_b != NULL )
+ {
+ clip_b->frame_in += length_diff;
+ clip_b->frame_count -= length_diff;
+ clip_b->mix_in_length -= length_diff;
+ }
+
+ mix->frame_in = 0;
+ mix->frame_out = length - 1;
+ mix->frame_count = length;
+ mix->mix_in_length = length;
+ mix->mix_out_length = length;
+
+ mlt_events_unblock( mlt_playlist_properties( this ), this );
+ mlt_events_fire( mlt_playlist_properties( this ), "producer-changed", NULL );
+ }
+ return error;
+}
+
/** Get the current frame.
*/