Merge ../mlt
[melted] / src / modules / sdl / consumer_sdl_preview.c
index f1a7c50..12b7878 100644 (file)
@@ -3,22 +3,22 @@
  * Copyright (C) 2004-2005 Ushodaya Enterprises Limited
  * Author: Charles Yates
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This program is distributed in the hope that it will be useful,
+ * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "consumer_sdl.h"
+#include <framework/mlt_consumer.h>
 #include <framework/mlt_frame.h>
 #include <framework/mlt_factory.h>
 #include <framework/mlt_producer.h>
@@ -60,10 +60,10 @@ static void consumer_frame_show_cb( mlt_consumer sdl, mlt_consumer this, mlt_fra
 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 );
 
-mlt_consumer consumer_sdl_preview_init( char *arg )
+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 ) == 0 )
+       if ( this != NULL && mlt_consumer_init( &this->parent, this, profile ) == 0 )
        {
                // Get the parent consumer object
                mlt_consumer parent = &this->parent;
@@ -83,8 +83,8 @@ mlt_consumer consumer_sdl_preview_init( char *arg )
                }
 
                // Create child consumers
-               this->play = mlt_factory_consumer( "sdl", arg );
-               this->still = mlt_factory_consumer( "sdl_still", arg );
+               this->play = mlt_factory_consumer( profile, "sdl", arg );
+               this->still = mlt_factory_consumer( profile, "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;
@@ -135,19 +135,84 @@ static int consumer_start( mlt_consumer parent )
 
        if ( !this->running )
        {
-               pthread_attr_t thread_attributes;
-               
+               // properties
+               mlt_properties properties = MLT_CONSUMER_PROPERTIES( parent );
+               mlt_properties play = MLT_CONSUMER_PROPERTIES( this->play );
+               mlt_properties still = MLT_CONSUMER_PROPERTIES( this->still );
+
+               char *window_id = mlt_properties_get( properties, "window_id" );
+               char *audio_driver = mlt_properties_get( properties, "audio_driver" );
+               char *video_driver = mlt_properties_get( properties, "video_driver" );
+               char *audio_device = mlt_properties_get( properties, "audio_device" );
+               char *output_display = mlt_properties_get( properties, "output_display" );
+               int progressive = mlt_properties_get_int( properties, "progressive" ) | mlt_properties_get_int( properties, "deinterlace" );
+
                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 ( output_display != NULL )
+                       setenv( "DISPLAY", output_display, 1 );
+
+               if ( window_id != NULL )
+                       setenv( "SDL_WINDOWID", window_id, 1 );
+
+               if ( video_driver != NULL )
+                       setenv( "SDL_VIDEODRIVER", video_driver, 1 );
+
+               if ( audio_driver != NULL )
+                       setenv( "SDL_AUDIODRIVER", audio_driver, 1 );
+
+               if ( audio_device != NULL )
+                       setenv( "AUDIODEV", audio_device, 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 );
+
+               // Pass properties down
+               mlt_properties_set_data( play, "transport_producer", mlt_properties_get_data( properties, "transport_producer", NULL ), 0, NULL, NULL );
+               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, "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( play, properties, "play." );
+               mlt_properties_pass( still, properties, "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 );
+
+               // Start the still producer just to initialise the gui
+               mlt_consumer_start( this->still );
+               this->active = this->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, &thread_attributes, consumer_thread, this );
+               pthread_create( &this->thread, NULL, consumer_thread, this );
        }
 
        return 0;
@@ -174,13 +239,12 @@ 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;
@@ -200,56 +264,18 @@ static void *consumer_thread( void *arg )
        // Get the consumer
        mlt_consumer consumer = &this->parent;
 
+       // Get the properties
+       mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
+
        // internal intialization
        int first = 1;
        mlt_frame frame = NULL;
        int last_position = -1;
 
-       // properties
-       mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
-       mlt_properties play = MLT_CONSUMER_PROPERTIES( this->play );
-       mlt_properties still = MLT_CONSUMER_PROPERTIES( this->still );
+       // Determine if the application is dealing with the preview
+       int preview_off = mlt_properties_get_int( properties, "preview_off" );
 
-       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 );
-
-       // Inform child consumers that we control the sdl
-       mlt_properties_set_int( play, "sdl_started", 1 );
-       mlt_properties_set_int( still, "sdl_started", 1 );
-
-       // Pass properties down
-       mlt_properties_set_data( play, "transport_producer", mlt_properties_get_data( properties, "transport_producer", NULL ), 0, NULL, NULL );
-       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_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 );
+       this->refresh_count = 0;
 
        // Loop until told not to
        while( this->running )
@@ -258,14 +284,11 @@ 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 ) );
 
@@ -295,7 +318,7 @@ static void *consumer_thread( void *arg )
                        }
                        else
                        {
-                               mlt_consumer_purge( this->play );
+                               //mlt_consumer_purge( this->play );
                                last_position = -1;
                        }
 
@@ -311,13 +334,13 @@ 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 );
@@ -331,7 +354,7 @@ 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 );
@@ -340,7 +363,7 @@ static void *consumer_thread( void *arg )
                        }
 
                        // Copy the rectangle info from the active consumer
-                       if ( this->running )
+                       if ( this->running && preview_off == 0 )
                        {
                                mlt_properties active = MLT_CONSUMER_PROPERTIES( this->active );
                                mlt_service_lock( MLT_CONSUMER_SERVICE( consumer ) );
@@ -354,21 +377,25 @@ static void *consumer_thread( void *arg )
                        if ( this->active == this->still )
                        {
                                pthread_mutex_lock( &this->refresh_mutex );
-                               if ( speed == 0 && this->refresh_count == 0 )
+                               if ( this->running && speed == 0 && this->refresh_count <= 0 )
                                        pthread_cond_wait( &this->refresh_cond, &this->refresh_mutex );
-                               this->refresh_count = 0;
+                               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;
 }
@@ -384,13 +411,13 @@ 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 );
 }