#include <framework/mlt_frame.h>
#include <framework/mlt_factory.h>
#include <framework/mlt_producer.h>
+#include <framework/mlt_log.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <SDL.h>
#include <SDL_syswm.h>
-#include <assert.h>
+#include <sys/time.h>
extern pthread_mutex_t mlt_sdl_mutex;
static int consumer_start( mlt_consumer parent );
static int consumer_stop( mlt_consumer parent );
static int consumer_is_stopped( mlt_consumer parent );
+static void consumer_purge( mlt_consumer parent );
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 );
-static void consumer_refresh_cb( mlt_consumer sdl, mlt_consumer this, char *name );
+static void consumer_frame_show_cb( mlt_consumer sdl, mlt_consumer self, mlt_frame frame );
+static void consumer_sdl_event_cb( mlt_consumer sdl, mlt_consumer self, SDL_Event *event );
+static void consumer_refresh_cb( mlt_consumer sdl, mlt_consumer self, char *name );
mlt_consumer consumer_sdl_preview_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
- consumer_sdl this = calloc( sizeof( struct consumer_sdl_s ), 1 );
- if ( this != NULL && mlt_consumer_init( &this->parent, this, profile ) == 0 )
+ consumer_sdl self = calloc( 1, sizeof( struct consumer_sdl_s ) );
+ if ( self != NULL && mlt_consumer_init( &self->parent, self, profile ) == 0 )
{
// Get the parent consumer object
- mlt_consumer parent = &this->parent;
+ mlt_consumer parent = &self->parent;
// Get the properties
mlt_properties properties = MLT_CONSUMER_PROPERTIES( parent );
}
// Create child consumers
- this->play = mlt_factory_consumer( profile, "sdl", arg );
- this->still = mlt_factory_consumer( profile, "sdl_still", arg );
- mlt_properties_set( properties, "real_time", "0" );
+ self->play = mlt_factory_consumer( profile, "sdl", arg );
+ self->still = mlt_factory_consumer( profile, "sdl_still", arg );
mlt_properties_set( properties, "rescale", "nearest" );
mlt_properties_set( properties, "deinterlace_method", "onefield" );
+ mlt_properties_set_int( properties, "prefill", 1 );
+ mlt_properties_set_int( properties, "top_field_first", -1 );
+
parent->close = consumer_close;
parent->start = consumer_start;
parent->stop = consumer_stop;
parent->is_stopped = consumer_is_stopped;
- 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 );
- pthread_cond_init( &this->refresh_cond, NULL );
- pthread_mutex_init( &this->refresh_mutex, NULL );
- mlt_events_listen( MLT_CONSUMER_PROPERTIES( parent ), this, "property-changed", ( mlt_listener )consumer_refresh_cb );
+ parent->purge = consumer_purge;
+ self->joined = 1;
+ mlt_events_listen( MLT_CONSUMER_PROPERTIES( self->play ), self, "consumer-frame-show", ( mlt_listener )consumer_frame_show_cb );
+ mlt_events_listen( MLT_CONSUMER_PROPERTIES( self->still ), self, "consumer-frame-show", ( mlt_listener )consumer_frame_show_cb );
+ mlt_events_listen( MLT_CONSUMER_PROPERTIES( self->play ), self, "consumer-sdl-event", ( mlt_listener )consumer_sdl_event_cb );
+ mlt_events_listen( MLT_CONSUMER_PROPERTIES( self->still ), self, "consumer-sdl-event", ( mlt_listener )consumer_sdl_event_cb );
+ pthread_cond_init( &self->refresh_cond, NULL );
+ pthread_mutex_init( &self->refresh_mutex, NULL );
+ mlt_events_listen( MLT_CONSUMER_PROPERTIES( parent ), self, "property-changed", ( mlt_listener )consumer_refresh_cb );
mlt_events_register( properties, "consumer-sdl-paused", NULL );
return parent;
}
- free( this );
+ free( self );
return NULL;
}
void consumer_frame_show_cb( mlt_consumer sdl, mlt_consumer parent, mlt_frame frame )
{
- consumer_sdl this = parent->child;
- this->last_speed = mlt_properties_get_double( MLT_FRAME_PROPERTIES( frame ), "_speed" );
- this->last_position = mlt_frame_get_position( frame );
+ consumer_sdl self = parent->child;
+ self->last_speed = mlt_properties_get_double( MLT_FRAME_PROPERTIES( frame ), "_speed" );
+ self->last_position = mlt_frame_get_position( frame );
mlt_events_fire( MLT_CONSUMER_PROPERTIES( parent ), "consumer-frame-show", frame, NULL );
}
{
if ( !strcmp( name, "refresh" ) )
{
- consumer_sdl this = parent->child;
- pthread_mutex_lock( &this->refresh_mutex );
- this->refresh_count = this->refresh_count <= 0 ? 1 : this->refresh_count + 1;
- pthread_cond_broadcast( &this->refresh_cond );
- pthread_mutex_unlock( &this->refresh_mutex );
+ consumer_sdl self = parent->child;
+ pthread_mutex_lock( &self->refresh_mutex );
+ self->refresh_count = self->refresh_count <= 0 ? 1 : self->refresh_count + 1;
+ pthread_cond_broadcast( &self->refresh_cond );
+ pthread_mutex_unlock( &self->refresh_mutex );
}
}
static int consumer_start( mlt_consumer parent )
{
- consumer_sdl this = parent->child;
+ consumer_sdl self = parent->child;
- if ( !this->running )
+ if ( !self->running )
{
// properties
mlt_properties properties = MLT_CONSUMER_PROPERTIES( parent );
- mlt_properties play = MLT_CONSUMER_PROPERTIES( this->play );
- mlt_properties still = MLT_CONSUMER_PROPERTIES( this->still );
+ mlt_properties play = MLT_CONSUMER_PROPERTIES( self->play );
+ mlt_properties still = MLT_CONSUMER_PROPERTIES( self->still );
char *window_id = mlt_properties_get( properties, "window_id" );
char *audio_driver = mlt_properties_get( properties, "audio_driver" );
consumer_stop( parent );
- this->running = 1;
- this->joined = 0;
- this->last_speed = 1;
+ self->running = 1;
+ self->joined = 0;
+ self->last_speed = 1;
if ( output_display != NULL )
setenv( "DISPLAY", output_display, 1 );
mlt_properties_set_int( play, "progressive", progressive );
mlt_properties_set_int( still, "progressive", progressive );
- mlt_properties_pass_list( play, properties, "resize,rescale,width,height,aspect_ratio,display_ratio,volume" );
- mlt_properties_pass_list( still, properties, "resize,rescale,width,height,aspect_ratio,display_ratio" );
- mlt_properties_pass_list( play, properties, "deinterlace_method" );
- mlt_properties_pass_list( still, properties, "deinterlace_method" );
- mlt_properties_pass_list( play, properties, "preview_off,preview_format,window_background" );
- mlt_properties_pass_list( still, properties, "preview_off,preview_format,window_background" );
+ mlt_properties_pass_list( play, properties,
+ "deinterlace_method,resize,rescale,width,height,aspect_ratio,display_ratio,preview_off,preview_format,window_background"
+ ",top_field_first,volume,real_time,buffer,prefill,audio_off,frequency,drop_max" );
+ mlt_properties_pass_list( still, properties,
+ "deinterlace_method,resize,rescale,width,height,aspect_ratio,display_ratio,preview_off,preview_format,window_background"
+ ",top_field_first");
mlt_properties_pass( play, properties, "play." );
mlt_properties_pass( still, properties, "still." );
mlt_properties_set_int( play, "terminate_on_pause", 1 );
// Start the still producer just to initialise the gui
- mlt_consumer_start( this->still );
- this->active = this->still;
+ mlt_consumer_start( self->still );
+ self->active = self->still;
// Inform child consumers that we control the sdl
mlt_properties_set_int( play, "sdl_started", 1 );
mlt_properties_set_int( still, "sdl_started", 1 );
- pthread_create( &this->thread, NULL, consumer_thread, this );
+ pthread_create( &self->thread, NULL, consumer_thread, self );
}
return 0;
static int consumer_stop( mlt_consumer parent )
{
// Get the actual object
- consumer_sdl this = parent->child;
+ consumer_sdl self = parent->child;
- if ( this->joined == 0 )
+ if ( self->joined == 0 )
{
mlt_properties properties = MLT_CONSUMER_PROPERTIES( parent );
int app_locked = mlt_properties_get_int( properties, "app_locked" );
if ( app_locked && unlock ) unlock( );
// Kill the thread and clean up
- this->running = 0;
+ self->running = 0;
- pthread_mutex_lock( &this->refresh_mutex );
- pthread_cond_broadcast( &this->refresh_cond );
- pthread_mutex_unlock( &this->refresh_mutex );
- if ( this->thread )
- pthread_join( this->thread, NULL );
- this->joined = 1;
+ pthread_mutex_lock( &self->refresh_mutex );
+ pthread_cond_broadcast( &self->refresh_cond );
+ pthread_mutex_unlock( &self->refresh_mutex );
+#ifndef WIN32
+ if ( self->thread )
+#endif
+ pthread_join( self->thread, NULL );
+ self->joined = 1;
if ( app_locked && lock ) lock( );
static int consumer_is_stopped( mlt_consumer parent )
{
- consumer_sdl this = parent->child;
- return !this->running;
+ consumer_sdl self = parent->child;
+ return !self->running;
+}
+
+void consumer_purge( mlt_consumer parent )
+{
+ consumer_sdl self = parent->child;
+ if ( self->running )
+ mlt_consumer_purge( self->play );
}
static void *consumer_thread( void *arg )
{
// Identify the arg
- consumer_sdl this = arg;
+ consumer_sdl self = arg;
// Get the consumer
- mlt_consumer consumer = &this->parent;
+ mlt_consumer consumer = &self->parent;
// Get the properties
mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
// internal intialization
- int first = 1;
mlt_frame frame = NULL;
int last_position = -1;
int eos = 0;
- int eos_threshold = 20 + mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( this->play ), "buffer" );
+ int eos_threshold = 20;
+ if ( self->play )
+ eos_threshold = eos_threshold + mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( self->play ), "buffer" );
// Determine if the application is dealing with the preview
int preview_off = mlt_properties_get_int( properties, "preview_off" );
- this->refresh_count = 0;
+ pthread_mutex_lock( &self->refresh_mutex );
+ self->refresh_count = 0;
+ pthread_mutex_unlock( &self->refresh_mutex );
// Loop until told not to
- while( this->running )
+ while( self->running )
{
// Get a frame from the attached producer
frame = mlt_consumer_get_frame( consumer );
// Ensure that we have a frame
- if ( this->running && frame != NULL )
+ if ( self->running && frame != NULL )
{
// Get the speed of the frame
double speed = mlt_properties_get_double( MLT_FRAME_PROPERTIES( frame ), "_speed" );
if ( speed == 1.0 )
{
if ( last_position != -1 && last_position + 1 != mlt_frame_get_position( frame ) )
- mlt_consumer_purge( this->play );
+ mlt_consumer_purge( self->play );
last_position = mlt_frame_get_position( frame );
}
else
{
- //mlt_consumer_purge( this->play );
+ //mlt_consumer_purge( self->play );
last_position = -1;
}
if ( speed != 1 )
{
mlt_producer producer = MLT_PRODUCER( mlt_service_get_producer( MLT_CONSUMER_SERVICE( consumer ) ) );
- mlt_position duration = mlt_producer_get_playtime( producer );
+ mlt_position duration = producer? mlt_producer_get_playtime( producer ) : -1;
int pause = 0;
- if ( this->active == this->play )
+#ifndef SKIP_WAIT_EOS
+ if ( self->active == self->play )
{
// Do not interrupt the play consumer near the end
- if ( duration - this->last_position > eos_threshold )
+ if ( duration - self->last_position > eos_threshold )
{
// Get a new frame at the sought position
mlt_frame_close( frame );
if ( producer )
- mlt_producer_seek( producer, this->last_position );
+ mlt_producer_seek( producer, self->last_position );
frame = mlt_consumer_get_frame( consumer );
pause = 1;
}
else
{
- // Send frame with speed 0 once to stop it
- if ( frame && !eos && speed == 0.0 )
+ // Send frame with speed 0 to stop it
+ if ( frame && !mlt_consumer_is_stopped( self->play ) )
{
- mlt_consumer_put_frame( this->play, frame );
+ mlt_consumer_put_frame( self->play, frame );
+ frame = NULL;
eos = 1;
}
// Check for end of stream
- if ( mlt_consumer_is_stopped( this->play ) )
+ if ( mlt_consumer_is_stopped( self->play ) )
{
// Stream has ended
+ mlt_log_verbose( MLT_CONSUMER_SERVICE( consumer ), "END OF STREAM\n" );
pause = 1;
- eos = 0; // reset eof indicator
+ eos = 0; // reset eos indicator
+ }
+ else
+ {
+ // Prevent a tight busy loop
+ struct timespec tm = { 0, 100000L }; // 100 usec
+ nanosleep( &tm, NULL );
}
}
}
+#else
+ pause = self->active == self->play;
+#endif
if ( pause )
{
// Start the still consumer
- mlt_consumer_stop( this->play );
- this->last_speed = speed;
- this->active = this->still;
- this->ignore_change = 0;
- mlt_consumer_start( this->still );
+ mlt_consumer_stop( self->play );
+ self->last_speed = speed;
+ self->active = self->still;
+ self->ignore_change = 0;
+ mlt_consumer_start( self->still );
}
// Send the frame to the active child
if ( frame && !eos )
{
mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "refresh", 1 );
- mlt_consumer_put_frame( this->active, frame );
+ mlt_consumer_put_frame( self->active, frame );
}
if ( pause && speed == 0.0 )
{
}
}
// 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 ) )
+ else if ( self->ignore_change -- > 0 && self->active != NULL && !mlt_consumer_is_stopped( self->active ) )
{
- mlt_consumer_put_frame( this->active, frame );
+ mlt_consumer_put_frame( self->active, 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 ) )
+ if ( !mlt_consumer_is_stopped( self->still ) )
+ mlt_consumer_stop( self->still );
+ if ( mlt_consumer_is_stopped( self->play ) )
{
- this->last_speed = speed;
- this->active = this->play;
- this->ignore_change = 0;
- mlt_consumer_start( this->play );
+ self->last_speed = speed;
+ self->active = self->play;
+ self->ignore_change = 0;
+ mlt_consumer_start( self->play );
}
- mlt_consumer_put_frame( this->play, frame );
+ if ( self->play )
+ mlt_consumer_put_frame( self->play, frame );
}
// Copy the rectangle info from the active consumer
- if ( this->running && preview_off == 0 )
+ if ( self->running && preview_off == 0 )
{
- mlt_properties active = MLT_CONSUMER_PROPERTIES( this->active );
+ mlt_properties active = MLT_CONSUMER_PROPERTIES( self->active );
mlt_service_lock( MLT_CONSUMER_SERVICE( consumer ) );
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_service_unlock( MLT_CONSUMER_SERVICE( consumer ) );
}
- if ( this->active == this->still )
+ if ( self->active == self->still )
{
- pthread_mutex_lock( &this->refresh_mutex );
- if ( this->running && speed == 0 && this->refresh_count <= 0 )
+ pthread_mutex_lock( &self->refresh_mutex );
+ if ( self->running && speed == 0 && self->refresh_count <= 0 )
{
mlt_events_fire( properties, "consumer-sdl-paused", NULL );
- pthread_cond_wait( &this->refresh_cond, &this->refresh_mutex );
+ pthread_cond_wait( &self->refresh_cond, &self->refresh_mutex );
}
- this->refresh_count --;
- pthread_mutex_unlock( &this->refresh_mutex );
+ self->refresh_count --;
+ pthread_mutex_unlock( &self->refresh_mutex );
}
-
- // We are definitely not waiting on the first frame any more
- first = 0;
}
else
{
if ( frame ) mlt_frame_close( frame );
- mlt_consumer_put_frame( this->active, NULL );
- this->running = 0;
+ mlt_consumer_put_frame( self->active, NULL );
+ self->running = 0;
}
}
- if ( this->play ) mlt_consumer_stop( this->play );
- if ( this->still ) mlt_consumer_stop( this->still );
+ if ( self->play ) mlt_consumer_stop( self->play );
+ if ( self->still ) mlt_consumer_stop( self->still );
return NULL;
}
static void consumer_close( mlt_consumer parent )
{
// Get the actual object
- consumer_sdl this = parent->child;
+ consumer_sdl self = parent->child;
// Stop the consumer
mlt_consumer_stop( parent );
// Close the child consumers
- mlt_consumer_close( this->play );
- mlt_consumer_close( this->still );
+ mlt_consumer_close( self->play );
+ mlt_consumer_close( self->still );
// Now clean up the rest
mlt_consumer_close( parent );
- // Finally clean up this
- free( this );
+ // Finally clean up self
+ free( self );
}