configure
[melted] / src / modules / sdl / consumer_sdl_preview.c
index 99c495e..fc04af9 100644 (file)
@@ -45,6 +45,7 @@ struct consumer_sdl_s
 
        pthread_cond_t refresh_cond;
        pthread_mutex_t refresh_mutex;
+       int refresh_count;
 };
 
 /** Forward references to static functions.
@@ -121,12 +122,10 @@ static void consumer_refresh_cb( mlt_consumer sdl, mlt_consumer parent, char *na
        if ( !strcmp( name, "refresh" ) )
        {
                consumer_sdl this = parent->child;
-               if ( mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "refresh" ) )
-               {
-                       pthread_mutex_lock( &this->refresh_mutex );
-                       pthread_cond_broadcast( &this->refresh_cond );
-                       pthread_mutex_unlock( &this->refresh_mutex );
-               }
+               pthread_mutex_lock( &this->refresh_mutex );
+               this->refresh_count = this->refresh_count <= 0 ? 1 : this->refresh_count ++;
+               pthread_cond_broadcast( &this->refresh_cond );
+               pthread_mutex_unlock( &this->refresh_mutex );
        }
 }
 
@@ -136,19 +135,32 @@ static int consumer_start( mlt_consumer parent )
 
        if ( !this->running )
        {
-               pthread_attr_t thread_attributes;
-               
+               mlt_properties properties = MLT_CONSUMER_PROPERTIES( parent );
+               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;
 
-               // Inherit the scheduling priority
-               pthread_attr_init( &thread_attributes );
-               pthread_attr_setinheritsched( &thread_attributes, PTHREAD_INHERIT_SCHED );
+               if ( window_id != NULL )
+                       setenv( "SDL_WINDOWID", window_id, 1 );
 
-               pthread_create( &this->thread, &thread_attributes, consumer_thread, this );
+               if ( audio_driver != NULL )
+                       setenv( "SDL_AUDIODRIVER", audio_driver, 1 );
+
+               if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE ) < 0 )
+               {
+                       fprintf( stderr, "Failed to initialize SDL: %s\n", SDL_GetError() );
+                       return -1;
+               }
+
+               SDL_EnableKeyRepeat( SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL );
+               SDL_EnableUNICODE( 1 );
+
+               pthread_create( &this->thread, NULL, consumer_thread, this );
        }
 
        return 0;
@@ -175,13 +187,12 @@ static int consumer_stop( mlt_consumer parent )
                pthread_cond_broadcast( &this->refresh_cond );
                pthread_mutex_unlock( &this->refresh_mutex );
 
-               if ( this->play ) mlt_consumer_stop( this->play );
-               if ( this->still ) mlt_consumer_stop( this->still );
-
                pthread_join( this->thread, NULL );
                this->joined = 1;
 
                if ( app_locked && lock ) lock( );
+
+               SDL_Quit( );
        }
 
        return 0;
@@ -211,14 +222,7 @@ static void *consumer_thread( void *arg )
        mlt_properties play = MLT_CONSUMER_PROPERTIES( this->play );
        mlt_properties still = MLT_CONSUMER_PROPERTIES( this->still );
 
-       if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE ) < 0 )
-       {
-               fprintf( stderr, "Failed to initialize SDL: %s\n", SDL_GetError() );
-               return NULL;
-       }
-
-       SDL_EnableKeyRepeat( SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL );
-       SDL_EnableUNICODE( 1 );
+       int progressive = mlt_properties_get_int( properties, "progressive" ) | mlt_properties_get_int( properties, "deinterlace" );
 
        // Inform child consumers that we control the sdl
        mlt_properties_set_int( play, "sdl_started", 1 );
@@ -237,9 +241,15 @@ static void *consumer_thread( void *arg )
        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_double( play, "aspect_ratio", mlt_properties_get_double( properties, "aspect_ratio" ) );
+       mlt_properties_set_double( still, "aspect_ratio", mlt_properties_get_double( properties, "aspect_ratio" ) );
+       mlt_properties_set_double( play, "display_ratio", mlt_properties_get_double( properties, "display_ratio" ) );
+       mlt_properties_set_double( still, "display_ratio", mlt_properties_get_double( properties, "display_ratio" ) );
 
-       mlt_properties_set_int( play, "progressive", 1 );
-       mlt_properties_set_int( still, "progressive", 1 );
+       mlt_properties_set_int( play, "progressive", progressive );
+       mlt_properties_set_int( still, "progressive", progressive );
+       mlt_properties_set( play, "deinterlace_method", mlt_properties_get( properties, "deinterlace_method" ) );
+       mlt_properties_set( still, "deinterlace_method", mlt_properties_get( properties, "deinterlace_method" ) );
 
        mlt_properties_pass( play, MLT_CONSUMER_PROPERTIES( consumer ), "play." );
        mlt_properties_pass( still, MLT_CONSUMER_PROPERTIES( consumer ), "still." );
@@ -252,6 +262,8 @@ static void *consumer_thread( void *arg )
        mlt_properties_set_int( play, "put_mode", 1 );
        mlt_properties_set_int( still, "put_mode", 1 );
 
+       this->refresh_count = 0;
+
        // Loop until told not to
        while( this->running )
        {
@@ -259,19 +271,24 @@ static void *consumer_thread( void *arg )
                frame = mlt_consumer_get_frame( consumer );
 
                // Ensure that we have a frame
-               if ( frame != NULL )
+               if ( this->running && frame != NULL )
                {
                        // 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 = speed;
+                       // Lock during the operation
+                       mlt_service_lock( MLT_CONSUMER_SERVICE( consumer ) );
 
-                       // Get refresh request for the current frame (effect changes in still mode)
+                       // Get refresh request for the current frame
                        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_events_block( properties, properties );
+                       mlt_properties_set_int( properties, "refresh", 0 );
+                       mlt_events_unblock( properties, properties );
+
+                       // Unlock after the operation
+                       mlt_service_unlock( MLT_CONSUMER_SERVICE( consumer ) );
 
                        // Set the changed property on this frame for the benefit of still
                        mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "refresh", refresh );
@@ -282,12 +299,13 @@ static void *consumer_thread( void *arg )
                        // Optimisation to reduce latency
                        if ( speed == 1.0 )
                        {
-                               //if ( last_position != -1 && last_position + 1 != mlt_frame_get_position( frame ) )
-                                       //mlt_consumer_purge( this->play );
+                               if ( last_position != -1 && last_position + 1 != mlt_frame_get_position( frame ) )
+                                       mlt_consumer_purge( this->play );
                                last_position = mlt_frame_get_position( frame );
                        }
                        else
                        {
+                               //mlt_consumer_purge( this->play );
                                last_position = -1;
                        }
 
@@ -303,13 +321,13 @@ static void *consumer_thread( void *arg )
                                mlt_consumer_put_frame( this->active, frame );
                        }
                        // If we aren't playing normally, then use the still
-                       else if ( use_speed != 1 )
+                       else if ( speed != 1 )
                        {
                                if ( !mlt_consumer_is_stopped( this->play ) )
                                        mlt_consumer_stop( this->play );
                                if ( mlt_consumer_is_stopped( this->still ) )
                                {
-                                       this->last_speed = use_speed;
+                                       this->last_speed = speed;
                                        this->active = this->still;
                                        this->ignore_change = 0;
                                        mlt_consumer_start( this->still );
@@ -323,7 +341,7 @@ static void *consumer_thread( void *arg )
                                        mlt_consumer_stop( this->still );
                                if ( mlt_consumer_is_stopped( this->play ) )
                                {
-                                       this->last_speed = use_speed;
+                                       this->last_speed = speed;
                                        this->active = this->play;
                                        this->ignore_change = 25;
                                        mlt_consumer_start( this->play );
@@ -335,29 +353,36 @@ static void *consumer_thread( void *arg )
                        if ( this->running )
                        {
                                mlt_properties active = MLT_CONSUMER_PROPERTIES( this->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_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" ) );
+                               mlt_service_unlock( MLT_CONSUMER_SERVICE( consumer ) );
                        }
 
                        if ( this->active == this->still )
                        {
                                pthread_mutex_lock( &this->refresh_mutex );
-                               if ( speed == 0 && mlt_properties_get_int( properties, "refresh" ) == 0 )
+                               if ( this->running && speed == 0 && this->refresh_count <= 0 )
                                        pthread_cond_wait( &this->refresh_cond, &this->refresh_mutex );
+                               this->refresh_count --;
                                pthread_mutex_unlock( &this->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_stop( this->play );
-       mlt_consumer_stop( this->still );
-
-       SDL_Quit( );
+       if ( this->play ) mlt_consumer_stop( this->play );
+       if ( this->still ) mlt_consumer_stop( this->still );
 
        return NULL;
 }
@@ -373,13 +398,13 @@ static void consumer_close( mlt_consumer parent )
        // Stop the consumer
        mlt_consumer_stop( parent );
 
-       // Now clean up the rest
-       mlt_consumer_close( parent );
-
        // Close the child consumers
        mlt_consumer_close( this->play );
        mlt_consumer_close( this->still );
 
+       // Now clean up the rest
+       mlt_consumer_close( parent );
+
        // Finally clean up this
        free( this );
 }