int window_height;
int width;
int height;
+ int playing;
+ mlt_frame *queue;
+ int size;
+ int count;
};
/** Forward references to static functions.
this->height = 576;
}
-
// Create the the thread
pthread_create( &this->thread, NULL, consumer_thread, this );
pthread_mutex_lock( &this->audio_mutex );
- // Experimental - block until audio received
+ // Block until audio received
while ( this->running && len > this->audio_avail )
pthread_cond_wait( &this->audio_cond, &this->audio_mutex );
// No audio left
this->audio_avail = 0;
}
+
+ // We're definitely playing now
+ this->playing = 1;
+
pthread_cond_broadcast( &this->audio_cond );
pthread_mutex_unlock( &this->audio_mutex );
}
pthread_cond_broadcast( &this->audio_cond );
pthread_mutex_unlock( &this->audio_mutex );
- // Get the image, width and height
- mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 );
-
- if ( sdl_screen != NULL )
+ if ( this->count == this->size )
{
- SDL_Event event;
-
- changed = consumer_get_dimensions( &this->window_width, &this->window_height );
-
- while ( SDL_PollEvent( &event ) )
- {
- switch( event.type )
- {
- case SDL_VIDEORESIZE:
- this->window_width = event.resize.w;
- this->window_height = event.resize.h;
- changed = 1;
- break;
- case SDL_KEYDOWN:
- {
- mlt_producer producer = mlt_properties_get_data( properties, "transport_producer", NULL );
- void (*callback)( mlt_producer, char * ) = mlt_properties_get_data( properties, "transport_callback", NULL );
- if ( callback != NULL && producer != NULL )
- callback( producer, SDL_GetKeyName(event.key.keysym.sym) );
- }
- break;
- }
- }
-
- if ( width != this->width || height != this->height )
- {
- this->width = width;
- this->height = height;
- changed = 1;
- }
+ this->size += 25;
+ this->queue = realloc( this->queue, sizeof( mlt_frame ) * this->size );
}
+ this->queue[ this->count ++ ] = frame;
- if ( sdl_screen == NULL || changed )
+ if ( this->playing )
{
- double aspect_ratio = mlt_frame_get_aspect_ratio( frame );
+ // We're working on the oldest frame now
+ frame = this->queue[ 0 ];
- if ( mlt_properties_get_double( properties, "aspect_ratio" ) )
- aspect_ratio = mlt_properties_get_double( properties, "aspect_ratio" );
+ // Shunt the frames in the queue down
+ int i = 0;
+ for ( i = 1; i < this->count; i ++ )
+ this->queue[ i - 1 ] = this->queue[ i ];
+ this->count --;
- if ( this->window_width == 0 || this->window_height == 0 )
- {
- this->window_width = width;
- this->window_height = height;
- }
-
- // open SDL window with video overlay, if possible
- sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, sdl_flags );
+ // Get the image, width and height
+ mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 );
if ( sdl_screen != NULL )
{
- SDL_Rect rect;
- if ( this->window_width < this->window_height * aspect_ratio )
+ SDL_Event event;
+
+ changed = consumer_get_dimensions( &this->window_width, &this->window_height );
+
+ while ( SDL_PollEvent( &event ) )
{
- rect.w = this->window_width;
- rect.h = this->window_width / aspect_ratio;
+ switch( event.type )
+ {
+ case SDL_VIDEORESIZE:
+ this->window_width = event.resize.w;
+ this->window_height = event.resize.h;
+ changed = 1;
+ break;
+ case SDL_KEYDOWN:
+ {
+ mlt_producer producer = mlt_properties_get_data( properties, "transport_producer", NULL );
+ void (*callback)( mlt_producer, char * ) = mlt_properties_get_data( properties, "transport_callback", NULL );
+ if ( callback != NULL && producer != NULL )
+ callback( producer, SDL_GetKeyName(event.key.keysym.sym) );
+ }
+ break;
+ }
}
- else
+
+ if ( width != this->width || height != this->height )
{
- rect.w = this->window_height * aspect_ratio;
- rect.h = this->window_height;
+ this->width = width;
+ this->height = height;
+ changed = 1;
}
+ }
- rect.x = ( this->window_width - rect.w ) / 2;
- rect.y = ( this->window_height - rect.h ) / 2;
-
- SDL_SetClipRect( sdl_screen, &rect );
+ if ( sdl_screen == NULL || changed )
+ {
+ double aspect_ratio = mlt_frame_get_aspect_ratio( frame );
+
+ if ( mlt_properties_get_double( properties, "aspect_ratio" ) )
+ aspect_ratio = mlt_properties_get_double( properties, "aspect_ratio" );
+
+ if ( this->window_width == 0 || this->window_height == 0 )
+ {
+ this->window_width = width;
+ this->window_height = height;
+ }
+
+ // open SDL window with video overlay, if possible
+ sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, sdl_flags );
+
+ if ( sdl_screen != NULL )
+ {
+ SDL_Rect rect;
+ if ( this->window_width < this->window_height * aspect_ratio )
+ {
+ rect.w = this->window_width;
+ rect.h = this->window_width / aspect_ratio;
+ }
+ else
+ {
+ rect.w = this->window_height * aspect_ratio;
+ rect.h = this->window_height;
+ }
+
+ rect.x = ( this->window_width - rect.w ) / 2;
+ rect.y = ( this->window_height - rect.h ) / 2;
+
+ SDL_SetClipRect( sdl_screen, &rect );
- // Force an overlay recreation
- if ( sdl_overlay != NULL )
- SDL_FreeYUVOverlay( sdl_overlay );
- sdl_lock_display();
- sdl_overlay = SDL_CreateYUVOverlay( this->width, this->height, SDL_YUY2_OVERLAY, sdl_screen );
- sdl_unlock_display();
+ // Force an overlay recreation
+ if ( sdl_overlay != NULL )
+ SDL_FreeYUVOverlay( sdl_overlay );
+ sdl_lock_display();
+ sdl_overlay = SDL_CreateYUVOverlay( this->width, this->height, SDL_YUY2_OVERLAY, sdl_screen );
+ sdl_unlock_display();
+ }
}
- }
- if ( sdl_screen != NULL && sdl_overlay != NULL )
- {
- buffer = sdl_overlay->pixels[ 0 ];
- if ( sdl_lock_display() )
+ if ( sdl_screen != NULL && sdl_overlay != NULL )
{
- if ( SDL_LockYUVOverlay( sdl_overlay ) >= 0 )
+ buffer = sdl_overlay->pixels[ 0 ];
+ if ( sdl_lock_display() )
{
- mlt_resize_yuv422( buffer, this->width, this->height, image, width, height );
- SDL_UnlockYUVOverlay( sdl_overlay );
- SDL_DisplayYUVOverlay( sdl_overlay, &sdl_screen->clip_rect );
+ if ( SDL_LockYUVOverlay( sdl_overlay ) >= 0 )
+ {
+ mlt_resize_yuv422( buffer, this->width, this->height, image, width, height );
+ SDL_UnlockYUVOverlay( sdl_overlay );
+ SDL_DisplayYUVOverlay( sdl_overlay, &sdl_screen->clip_rect );
+ }
+ sdl_unlock_display();
}
- sdl_unlock_display();
}
}
else
{
- // TODO: allocate buffer?
+ frame = NULL;
}
// Close the frame
- mlt_frame_close( frame );
+ if ( frame != NULL )
+ mlt_frame_close( frame );
+
+ if ( this->count )
+ mlt_frame_get_image( this->queue[ this->count - 1 ], &image, &vfmt, &width, &height, 0 );
}
else
{
int window_height;
int width;
int height;
+ int playing;
+ mlt_frame *queue;
+ int size;
+ int count;
};
/** Forward references to static functions.
this->height = 576;
}
-
// Create the the thread
pthread_create( &this->thread, NULL, consumer_thread, this );
pthread_mutex_lock( &this->audio_mutex );
- // Experimental - block until audio received
+ // Block until audio received
while ( this->running && len > this->audio_avail )
pthread_cond_wait( &this->audio_cond, &this->audio_mutex );
// No audio left
this->audio_avail = 0;
}
+
+ // We're definitely playing now
+ this->playing = 1;
+
pthread_cond_broadcast( &this->audio_cond );
pthread_mutex_unlock( &this->audio_mutex );
}
pthread_cond_broadcast( &this->audio_cond );
pthread_mutex_unlock( &this->audio_mutex );
- // Get the image, width and height
- mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 );
-
- if ( sdl_screen != NULL )
+ if ( this->count == this->size )
{
- SDL_Event event;
-
- changed = consumer_get_dimensions( &this->window_width, &this->window_height );
-
- while ( SDL_PollEvent( &event ) )
- {
- switch( event.type )
- {
- case SDL_VIDEORESIZE:
- this->window_width = event.resize.w;
- this->window_height = event.resize.h;
- changed = 1;
- break;
- case SDL_KEYDOWN:
- {
- mlt_producer producer = mlt_properties_get_data( properties, "transport_producer", NULL );
- void (*callback)( mlt_producer, char * ) = mlt_properties_get_data( properties, "transport_callback", NULL );
- if ( callback != NULL && producer != NULL )
- callback( producer, SDL_GetKeyName(event.key.keysym.sym) );
- }
- break;
- }
- }
-
- if ( width != this->width || height != this->height )
- {
- this->width = width;
- this->height = height;
- changed = 1;
- }
+ this->size += 25;
+ this->queue = realloc( this->queue, sizeof( mlt_frame ) * this->size );
}
+ this->queue[ this->count ++ ] = frame;
- if ( sdl_screen == NULL || changed )
+ if ( this->playing )
{
- double aspect_ratio = mlt_frame_get_aspect_ratio( frame );
+ // We're working on the oldest frame now
+ frame = this->queue[ 0 ];
- if ( mlt_properties_get_double( properties, "aspect_ratio" ) )
- aspect_ratio = mlt_properties_get_double( properties, "aspect_ratio" );
+ // Shunt the frames in the queue down
+ int i = 0;
+ for ( i = 1; i < this->count; i ++ )
+ this->queue[ i - 1 ] = this->queue[ i ];
+ this->count --;
- if ( this->window_width == 0 || this->window_height == 0 )
- {
- this->window_width = width;
- this->window_height = height;
- }
-
- // open SDL window with video overlay, if possible
- sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, sdl_flags );
+ // Get the image, width and height
+ mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 );
if ( sdl_screen != NULL )
{
- SDL_Rect rect;
- if ( this->window_width < this->window_height * aspect_ratio )
+ SDL_Event event;
+
+ changed = consumer_get_dimensions( &this->window_width, &this->window_height );
+
+ while ( SDL_PollEvent( &event ) )
{
- rect.w = this->window_width;
- rect.h = this->window_width / aspect_ratio;
+ switch( event.type )
+ {
+ case SDL_VIDEORESIZE:
+ this->window_width = event.resize.w;
+ this->window_height = event.resize.h;
+ changed = 1;
+ break;
+ case SDL_KEYDOWN:
+ {
+ mlt_producer producer = mlt_properties_get_data( properties, "transport_producer", NULL );
+ void (*callback)( mlt_producer, char * ) = mlt_properties_get_data( properties, "transport_callback", NULL );
+ if ( callback != NULL && producer != NULL )
+ callback( producer, SDL_GetKeyName(event.key.keysym.sym) );
+ }
+ break;
+ }
}
- else
+
+ if ( width != this->width || height != this->height )
{
- rect.w = this->window_height * aspect_ratio;
- rect.h = this->window_height;
+ this->width = width;
+ this->height = height;
+ changed = 1;
}
+ }
- rect.x = ( this->window_width - rect.w ) / 2;
- rect.y = ( this->window_height - rect.h ) / 2;
-
- SDL_SetClipRect( sdl_screen, &rect );
+ if ( sdl_screen == NULL || changed )
+ {
+ double aspect_ratio = mlt_frame_get_aspect_ratio( frame );
+
+ if ( mlt_properties_get_double( properties, "aspect_ratio" ) )
+ aspect_ratio = mlt_properties_get_double( properties, "aspect_ratio" );
+
+ if ( this->window_width == 0 || this->window_height == 0 )
+ {
+ this->window_width = width;
+ this->window_height = height;
+ }
+
+ // open SDL window with video overlay, if possible
+ sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, sdl_flags );
+
+ if ( sdl_screen != NULL )
+ {
+ SDL_Rect rect;
+ if ( this->window_width < this->window_height * aspect_ratio )
+ {
+ rect.w = this->window_width;
+ rect.h = this->window_width / aspect_ratio;
+ }
+ else
+ {
+ rect.w = this->window_height * aspect_ratio;
+ rect.h = this->window_height;
+ }
+
+ rect.x = ( this->window_width - rect.w ) / 2;
+ rect.y = ( this->window_height - rect.h ) / 2;
+
+ SDL_SetClipRect( sdl_screen, &rect );
- // Force an overlay recreation
- if ( sdl_overlay != NULL )
- SDL_FreeYUVOverlay( sdl_overlay );
- sdl_lock_display();
- sdl_overlay = SDL_CreateYUVOverlay( this->width, this->height, SDL_YUY2_OVERLAY, sdl_screen );
- sdl_unlock_display();
+ // Force an overlay recreation
+ if ( sdl_overlay != NULL )
+ SDL_FreeYUVOverlay( sdl_overlay );
+ sdl_lock_display();
+ sdl_overlay = SDL_CreateYUVOverlay( this->width, this->height, SDL_YUY2_OVERLAY, sdl_screen );
+ sdl_unlock_display();
+ }
}
- }
- if ( sdl_screen != NULL && sdl_overlay != NULL )
- {
- buffer = sdl_overlay->pixels[ 0 ];
- if ( sdl_lock_display() )
+ if ( sdl_screen != NULL && sdl_overlay != NULL )
{
- if ( SDL_LockYUVOverlay( sdl_overlay ) >= 0 )
+ buffer = sdl_overlay->pixels[ 0 ];
+ if ( sdl_lock_display() )
{
- mlt_resize_yuv422( buffer, this->width, this->height, image, width, height );
- SDL_UnlockYUVOverlay( sdl_overlay );
- SDL_DisplayYUVOverlay( sdl_overlay, &sdl_screen->clip_rect );
+ if ( SDL_LockYUVOverlay( sdl_overlay ) >= 0 )
+ {
+ mlt_resize_yuv422( buffer, this->width, this->height, image, width, height );
+ SDL_UnlockYUVOverlay( sdl_overlay );
+ SDL_DisplayYUVOverlay( sdl_overlay, &sdl_screen->clip_rect );
+ }
+ sdl_unlock_display();
}
- sdl_unlock_display();
}
}
else
{
- // TODO: allocate buffer?
+ frame = NULL;
}
// Close the frame
- mlt_frame_close( frame );
+ if ( frame != NULL )
+ mlt_frame_close( frame );
+
+ if ( this->count )
+ mlt_frame_get_image( this->queue[ this->count - 1 ], &image, &vfmt, &width, &height, 0 );
}
else
{