mlt_properties properties;
mlt_deque queue;
pthread_t thread;
+ int joined;
int running;
- uint8_t audio_buffer[ 4096 * 19 ];
+ uint8_t audio_buffer[ 4096 * 10 ];
int audio_avail;
pthread_mutex_t audio_mutex;
pthread_cond_t audio_cond;
int window_height;
float aspect_ratio;
float display_aspect;
+ double last_frame_aspect;
int width;
int height;
int playing;
static void consumer_close( mlt_consumer parent );
static void *consumer_thread( void * );
static int consumer_get_dimensions( int *width, int *height );
+static void consumer_sdl_event( mlt_listener listener, mlt_properties owner, mlt_service this, void **args );
/** This is what will be called by the factory - anything can be passed in
via the argument, but keep it simple.
// Get sample aspect ratio
this->aspect_ratio = mlt_properties_get_double( this->properties, "aspect_ratio" );
+
+ // Ensure we don't join on a non-running object
+ this->joined = 1;
// Default display aspect ratio
this->display_aspect = 4.0 / 3.0;
this->height = mlt_properties_get_int( this->properties, "height" );
// Default window size
- this->window_width = ( float )this->height * this->display_aspect + 0.5;
+ this->window_width = ( float )this->height * this->display_aspect;
this->window_height = this->height;
}
else
parent->stop = consumer_stop;
parent->is_stopped = consumer_is_stopped;
+ // Register specific events
+ mlt_events_register( this->properties, "consumer-sdl-event", ( mlt_transmitter )consumer_sdl_event );
+
// Return the consumer produced
return parent;
}
return NULL;
}
+static void consumer_sdl_event( mlt_listener listener, mlt_properties owner, mlt_service this, void **args )
+{
+ if ( listener != NULL )
+ listener( owner, this, ( SDL_Event * )args[ 0 ] );
+}
+
int consumer_start( mlt_consumer parent )
{
consumer_sdl this = parent->child;
{
pthread_attr_t thread_attributes;
+ consumer_stop( parent );
+
this->running = 1;
+ this->joined = 0;
// Allow the user to force resizing to window size
if ( mlt_properties_get_int( this->properties, "resize" ) )
// Inherit the scheduling priority
pthread_attr_init( &thread_attributes );
pthread_attr_setinheritsched( &thread_attributes, PTHREAD_INHERIT_SCHED );
-
+
pthread_create( &this->thread, &thread_attributes, consumer_thread, this );
}
// Get the actual object
consumer_sdl this = parent->child;
- if ( this->running )
+ if ( this->joined == 0 )
{
// Kill the thread and clean up
this->running = 0;
pthread_mutex_unlock( &this->audio_mutex );
pthread_join( this->thread, NULL );
+ this->joined = 1;
}
return 0;
mlt_properties properties = mlt_frame_properties( frame );
bytes = ( samples * channels * 2 );
pthread_mutex_lock( &this->audio_mutex );
- while ( bytes > ( sizeof( this->audio_buffer) - this->audio_avail ) )
+ while ( this->running && bytes > ( sizeof( this->audio_buffer) - this->audio_avail ) )
pthread_cond_wait( &this->audio_cond, &this->audio_mutex );
- if ( mlt_properties_get_double( properties, "_speed" ) == 1 )
- memcpy( &this->audio_buffer[ this->audio_avail ], pcm, bytes );
- else
- memset( &this->audio_buffer[ this->audio_avail ], 0, bytes );
- this->audio_avail += bytes;
+ if ( this->running )
+ {
+ if ( mlt_properties_get_double( properties, "_speed" ) == 1 )
+ memcpy( &this->audio_buffer[ this->audio_avail ], pcm, bytes );
+ else
+ memset( &this->audio_buffer[ this->audio_avail ], 0, bytes );
+ this->audio_avail += bytes;
+ }
pthread_cond_broadcast( &this->audio_cond );
pthread_mutex_unlock( &this->audio_mutex );
}
if ( mlt_properties_get_int( properties, "video_off" ) == 0 )
{
// Get the image, width and height
+ mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 );
// Handle events
while ( SDL_PollEvent( &event ) )
{
+ mlt_events_fire( this->properties, "consumer-sdl-event", &event, NULL );
+
switch( event.type )
{
case SDL_VIDEORESIZE:
}
}
- if ( width != this->width || height != this->height )
+ if ( width != this->width || height != this->height || this->last_frame_aspect != mlt_frame_get_aspect_ratio( frame ) )
{
this->width = width;
this->height = height;
+ this->last_frame_aspect = mlt_frame_get_aspect_ratio( frame );
changed = 1;
}
else
{
// Use hardware scaler to normalise display aspect ratio
- this->rect.w = frame_aspect / this_aspect * this->window_width + 0.5;
+ this->rect.w = frame_aspect / this_aspect * this->window_width;
this->rect.h = this->window_height;
if ( this->rect.w > this->window_width )
{
this->rect.w = this->window_width;
- this->rect.h = this_aspect / frame_aspect * this->window_height + 0.5;
+ this->rect.h = this_aspect / frame_aspect * this->window_height;
}
}
}
this->rect.h = this->window_height;
}
// Use hardware scaler to normalise sample aspect ratio
- else if ( this->window_height * frame_aspect > this->window_width )
+ else if ( this->window_height * this->display_aspect > this->window_width )
{
this->rect.w = this->window_width;
- this->rect.h = this->window_width / frame_aspect + 0.5;
+ this->rect.h = this->window_width / this->display_aspect;
}
else
{
- this->rect.w = this->window_height * frame_aspect + 0.5;
+ this->rect.w = this->window_height * this->display_aspect;
this->rect.h = this->window_height;
}
this->rect.x = ( this->window_width - this->rect.w ) / 2;
this->rect.y = ( this->window_height - this->rect.h ) / 2;
+
+ mlt_properties_set_int( this->properties, "rect_x", this->rect.x );
+ mlt_properties_set_int( this->properties, "rect_y", this->rect.y );
+ mlt_properties_set_int( this->properties, "rect_w", this->rect.w );
+ mlt_properties_set_int( this->properties, "rect_h", this->rect.h );
// Force an overlay recreation
if ( this->sdl_overlay != NULL )
SDL_FreeYUVOverlay( this->sdl_overlay );
// open SDL window with video overlay, if possible
+ sdl_lock_display();
this->sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, this->sdl_flags );
+ sdl_unlock_display();
if ( this->sdl_screen != NULL )
{
if ( this->sdl_screen != NULL && this->sdl_overlay != NULL )
{
this->buffer = this->sdl_overlay->pixels[ 0 ];
+ sdl_lock_display();
if ( SDL_LockYUVOverlay( this->sdl_overlay ) >= 0 )
{
if ( image != NULL )
SDL_UnlockYUVOverlay( this->sdl_overlay );
SDL_DisplayYUVOverlay( this->sdl_overlay, &this->sdl_screen->clip_rect );
}
+ sdl_unlock_display();
}
}
mlt_frame next = NULL;
mlt_properties properties = NULL;
double speed = 0;
- int skipped = 0;
+
+ // Get real time flag
+ int real_time = mlt_properties_get_int( this->properties, "real_time" );
// Get the current time
gettimeofday( &now, NULL );
mlt_position difference = scheduled - elapsed;
// Smooth playback a bit
- if ( difference > 20000 && speed == 1.0 )
+ if ( real_time && ( difference > 20000 && speed == 1.0 ) )
{
tm.tv_sec = difference / 1000000;
tm.tv_nsec = ( difference % 1000000 ) * 500;
}
// Show current frame if not too old
- if ( difference > -10000 || speed != 1.0 || mlt_deque_count( this->queue ) < 2 )
+ if ( !real_time || ( difference > -10000 || speed != 1.0 || mlt_deque_count( this->queue ) < 2 ) )
consumer_play_video( this, next );
- else
- skipped ++;
// If the queue is empty, recalculate start to allow build up again
- if ( mlt_deque_count( this->queue ) == 0 )
+ if ( real_time && ( mlt_deque_count( this->queue ) == 0 && speed == 1.0 ) )
{
gettimeofday( &now, NULL );
start = ( ( int64_t )now.tv_sec * 1000000 + now.tv_usec ) - scheduled + 20000;
mlt_frame_close( next );
}
+ mlt_consumer_stopped( &this->parent );
+
return NULL;
}
mlt_properties properties = NULL;
int duration = 0;
int64_t playtime = 0;
+ struct timespec tm = { 0, 100000 };
if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_NOPARACHUTE ) < 0 )
{
// Set playtime for this frame
mlt_properties_set_position( properties, "playtime", playtime );
+ while ( this->running && mlt_deque_count( this->queue ) > 15 )
+ nanosleep( &tm, NULL );
+
// Push this frame to the back of the queue
pthread_mutex_lock( &this->video_mutex );
mlt_deque_push_back( this->queue, frame );
// Specify the SDL Version
SDL_VERSION( &wm.version );
+ // Lock the display
+ sdl_lock_display();
+
// Get the wm structure
if ( SDL_GetWMInfo( &wm ) == 1 )
{
}
}
+ // Unlock the display
+ sdl_lock_display();
+
return changed;
}