struct consumer_sdl_s
{
struct mlt_consumer_s parent;
+ mlt_consumer active;
+ int ignore_change;
mlt_consumer play;
mlt_consumer still;
pthread_t thread;
static void consumer_close( mlt_consumer parent );
static void *consumer_thread( void * );
static void consumer_frame_show_cb( mlt_consumer sdl, mlt_consumer this, mlt_frame frame );
+static void consumer_sdl_event_cb( mlt_consumer sdl, mlt_consumer this, SDL_Event *event );
mlt_consumer consumer_sdl_preview_init( char *arg )
{
{
// Get the parent consumer object
mlt_consumer parent = &this->parent;
+
+ // Get the properties
+ mlt_properties properties = mlt_consumer_properties( parent );
+
+ // Get the width and height
+ int width = mlt_properties_get_int( properties, "width" );
+ int height = mlt_properties_get_int( properties, "height" );
+
+ // Process actual param
+ if ( arg == NULL || sscanf( arg, "%dx%d", &width, &height ) == 2 )
+ {
+ mlt_properties_set_int( properties, "width", width );
+ mlt_properties_set_int( properties, "height", height );
+ }
+
+ // Create child consumers
this->play = mlt_factory_consumer( "sdl", arg );
this->still = mlt_factory_consumer( "sdl_still", arg );
mlt_properties_set( mlt_consumer_properties( parent ), "real_time", "0" );
+ mlt_properties_set( mlt_consumer_properties( parent ), "rescale", "nearest" );
parent->close = consumer_close;
parent->start = consumer_start;
parent->stop = consumer_stop;
this->joined = 1;
mlt_events_listen( mlt_consumer_properties( this->play ), this, "consumer-frame-show", ( mlt_listener )consumer_frame_show_cb );
mlt_events_listen( mlt_consumer_properties( this->still ), this, "consumer-frame-show", ( mlt_listener )consumer_frame_show_cb );
+ mlt_events_listen( mlt_consumer_properties( this->play ), this, "consumer-sdl-event", ( mlt_listener )consumer_sdl_event_cb );
+ mlt_events_listen( mlt_consumer_properties( this->still ), this, "consumer-sdl-event", ( mlt_listener )consumer_sdl_event_cb );
return parent;
}
free( this );
mlt_events_fire( mlt_consumer_properties( parent ), "consumer-frame-show", frame, NULL );
}
+static void consumer_sdl_event_cb( mlt_consumer sdl, mlt_consumer parent, SDL_Event *event )
+{
+ mlt_events_fire( mlt_consumer_properties( parent ), "consumer-sdl-event", event, NULL );
+}
+
static int consumer_start( mlt_consumer parent )
{
consumer_sdl this = parent->child;
if ( this->joined == 0 )
{
+ mlt_properties properties = mlt_consumer_properties( parent );
+ int app_locked = mlt_properties_get_int( properties, "app_locked" );
+ void ( *lock )( void ) = mlt_properties_get_data( properties, "app_lock", NULL );
+ void ( *unlock )( void ) = mlt_properties_get_data( properties, "app_unlock", NULL );
+
+ if ( app_locked && unlock ) unlock( );
+
// Kill the thread and clean up
this->running = 0;
pthread_join( this->thread, NULL );
this->joined = 1;
+
+ if ( app_locked && lock ) lock( );
}
return 0;
mlt_properties_set_data( still, "transport_producer", mlt_properties_get_data( properties, "transport_producer", NULL ), 0, NULL, NULL );
mlt_properties_set_data( play, "transport_callback", mlt_properties_get_data( properties, "transport_callback", NULL ), 0, NULL, NULL );
mlt_properties_set_data( still, "transport_callback", mlt_properties_get_data( properties, "transport_callback", NULL ), 0, NULL, NULL );
+ mlt_properties_set_int( play, "resize", mlt_properties_get_int( properties, "resize" ) );
+ mlt_properties_set_int( still, "resize", mlt_properties_get_int( properties, "resize" ) );
mlt_properties_set( play, "rescale", mlt_properties_get( properties, "rescale" ) );
mlt_properties_set( still, "rescale", mlt_properties_get( properties, "rescale" ) );
- mlt_properties_set( play, "width", mlt_properties_get( properties, "width" ) );
- mlt_properties_set( still, "width", mlt_properties_get( properties, "width" ) );
- mlt_properties_set( play, "height", mlt_properties_get( properties, "height" ) );
- mlt_properties_set( still, "height", mlt_properties_get( properties, "height" ) );
+ mlt_properties_set_int( play, "width", mlt_properties_get_int( properties, "width" ) );
+ mlt_properties_set_int( still, "width", mlt_properties_get_int( properties, "width" ) );
+ mlt_properties_set_int( play, "height", mlt_properties_get_int( properties, "height" ) );
+ mlt_properties_set_int( still, "height", mlt_properties_get_int( properties, "height" ) );
+
+ mlt_properties_set_int( play, "progressive", 1 );
+ mlt_properties_set_int( still, "progressive", 1 );
mlt_properties_pass( play, mlt_consumer_properties( consumer ), "play." );
mlt_properties_pass( still, mlt_consumer_properties( consumer ), "still." );
+ mlt_properties_set_data( play, "app_lock", mlt_properties_get_data( properties, "app_lock", NULL ), 0, NULL, NULL );
+ mlt_properties_set_data( still, "app_lock", mlt_properties_get_data( properties, "app_lock", NULL ), 0, NULL, NULL );
+ mlt_properties_set_data( play, "app_unlock", mlt_properties_get_data( properties, "app_unlock", NULL ), 0, NULL, NULL );
+ mlt_properties_set_data( still, "app_unlock", mlt_properties_get_data( properties, "app_unlock", NULL ), 0, NULL, NULL );
+
+ mlt_properties_set_int( play, "put_mode", 1 );
+ mlt_properties_set_int( still, "put_mode", 1 );
+
// Loop until told not to
while( this->running )
{
// Get the speed of the frame
double speed = mlt_properties_get_double( mlt_frame_properties( frame ), "_speed" );
+ // Determine which speed to use
+ double use_speed = first ? speed : this->last_speed;
+
+ // Get changed requests to the preview (focus changes)
+ int changed = mlt_properties_get_int( properties, "changed" );
+
+ // Get refresh request for the current frame (effect changes in still mode)
+ int refresh = mlt_properties_get_int( properties, "refresh" );
+
+ // Decrement refresh and clear changed
+ mlt_properties_set_int( properties, "refresh", refresh > 0 ? refresh - 1 : 0 );
+ mlt_properties_set_int( properties, "changed", 0 );
+
+ // Set the changed property on this frame for the benefit of still
+ mlt_properties_set_int( mlt_frame_properties( frame ), "refresh", refresh );
+
// Make sure the recipient knows that this frame isn't really rendered
mlt_properties_set_int( mlt_frame_properties( frame ), "rendered", 0 );
+ // If we're not the first frame and both consumers are stopped, then stop ourselves
if ( !first && mlt_consumer_is_stopped( this->play ) && mlt_consumer_is_stopped( this->still ) )
{
this->running = 0;
mlt_frame_close( frame );
}
- else if ( this->last_speed != 1 )
+ // Allow a little grace time before switching consumers on speed changes
+ else if ( this->ignore_change -- > 0 && this->active != NULL && !mlt_consumer_is_stopped( this->active ) )
+ {
+ mlt_consumer_put_frame( this->active, frame );
+ mlt_properties_set_int( still, "changed", changed );
+ }
+ // If we aren't playing normally, then use the still
+ else if ( use_speed != 1 )
{
if ( !mlt_consumer_is_stopped( this->play ) )
mlt_consumer_stop( this->play );
if ( mlt_consumer_is_stopped( this->still ) )
{
- this->last_speed = speed;
+ this->last_speed = use_speed;
+ this->active = this->still;
mlt_consumer_start( this->still );
}
+ mlt_properties_set_int( still, "changed", changed );
mlt_consumer_put_frame( this->still, frame );
}
+ // Otherwise use the normal player
else
{
if ( !mlt_consumer_is_stopped( this->still ) )
mlt_consumer_stop( this->still );
if ( mlt_consumer_is_stopped( this->play ) )
{
- this->last_speed = speed;
+ this->last_speed = use_speed;
+ this->active = this->play;
+ this->ignore_change = 25;
mlt_consumer_start( this->play );
}
+ mlt_properties_set_int( still, "changed", changed );
mlt_consumer_put_frame( this->play, frame );
}
+
+ // Copy the rectangle info from the active consumer
+ if ( this->running )
+ {
+ mlt_properties active = mlt_consumer_properties( this->active );
+ mlt_properties_set_int( properties, "rect_x", mlt_properties_get_int( active, "rect_x" ) );
+ mlt_properties_set_int( properties, "rect_y", mlt_properties_get_int( active, "rect_y" ) );
+ mlt_properties_set_int( properties, "rect_w", mlt_properties_get_int( active, "rect_w" ) );
+ mlt_properties_set_int( properties, "rect_h", mlt_properties_get_int( active, "rect_h" ) );
+ }
+
+ // We are definitely not waiting on the first frame any more
first = 0;
}
}
projects / melted / blobdiff