]> git.sesse.net Git - vlc/blobdiff - src/video_output/video_output.c
- �a compile sous FreeBSD (mais �a ne tourne pas)
[vlc] / src / video_output / video_output.c
index 3dc7699fd15e2d7e98c1b0f59fc7097dd1a533aa..0341868ebe59e6d2912b21df1e9231847be3a63d 100644 (file)
@@ -1,29 +1,47 @@
 /*****************************************************************************
  * video_output.c : video output thread
- * (c)2000 VideoLAN
- *****************************************************************************
  * This module describes the programming interface for video output threads.
  * It includes functions allowing to open a new thread, send pictures to a
- * thread, and destroy a previously oppenned video output thread.
+ * thread, and destroy a previously oppened video output thread.
+ *****************************************************************************
+ * Copyright (C) 2000 VideoLAN
+ *
+ * Authors:
+ *
+ * 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 program 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.
+ *
+ * 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.
  *****************************************************************************/
 
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
-#include <errno.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+#include <errno.h>                                                 /* ENOMEM */
+#include <stdlib.h>                                                /* free() */
+#include <stdio.h>                                              /* sprintf() */
+#include <string.h>                                            /* strerror() */
 
 #include "common.h"
 #include "config.h"
 #include "mtime.h"
-#include "vlc_thread.h"
+#include "threads.h"
+#include "plugins.h"
 #include "video.h"
 #include "video_output.h"
 #include "video_text.h"
-#include "video_sys.h"
 #include "video_yuv.h"
+
 #include "intf_msg.h"
 #include "main.h"
 
@@ -72,95 +90,36 @@ vout_thread_t * vout_CreateThread   ( char *psz_display, int i_root_window,
     vout_thread_t * p_vout;                             /* thread descriptor */
     int             i_status;                               /* thread status */
     int             i_index;               /* index for array initialization */
+    char *          psz_method;
 
     /* Allocate descriptor */
     intf_DbgMsg("\n");
     p_vout = (vout_thread_t *) malloc( sizeof(vout_thread_t) );
     if( p_vout == NULL )
     {
-        intf_ErrMsg("error: %s\n", strerror(ENOMEM));
+        intf_ErrMsg( "error: %s\n", strerror(ENOMEM) );
         return( NULL );
     }
 
-    /* Sets method-specific functions */
-    switch( i_method )
+    /* Request an interface plugin */
+    psz_method = main_GetPszVariable( VOUT_METHOD_VAR, VOUT_DEFAULT_METHOD );
+    p_vout->p_vout_plugin = RequestPlugin( "vout", psz_method );
+
+    if( !p_vout->p_vout_plugin )
     {
-#ifdef VIDEO_DUMMY
-        case VOUT_DUMMY_METHOD:
-            p_vout->p_sys_create =    vout_DummySysCreate;
-            p_vout->p_sys_init =      vout_DummySysInit;
-            p_vout->p_sys_end =       vout_DummySysEnd;
-            p_vout->p_sys_destroy =   vout_DummySysDestroy;
-            p_vout->p_sys_manage =    vout_DummySysManage;
-            p_vout->p_sys_display =   vout_DummySysDisplay;
-            break;
-#endif
-#ifdef VIDEO_X11
-        case VOUT_X11_METHOD:
-            p_vout->p_sys_create =    vout_X11SysCreate;
-            p_vout->p_sys_init =      vout_X11SysInit;
-            p_vout->p_sys_end =       vout_X11SysEnd;
-            p_vout->p_sys_destroy =   vout_X11SysDestroy;
-            p_vout->p_sys_manage =    vout_X11SysManage;
-            p_vout->p_sys_display =   vout_X11SysDisplay;
-            break;
-#endif
-#ifdef VIDEO_FB
-        case VOUT_FB_METHOD:
-            p_vout->p_sys_create =    vout_FBSysCreate;
-            p_vout->p_sys_init =      vout_FBSysInit;
-            p_vout->p_sys_end =       vout_FBSysEnd;
-            p_vout->p_sys_destroy =   vout_FBSysDestroy;
-            p_vout->p_sys_manage =    vout_FBSysManage;
-            p_vout->p_sys_display =   vout_FBSysDisplay;
-            break;
-#endif
-#ifdef VIDEO_GLIDE
-        case VOUT_GLIDE_METHOD:
-            p_vout->p_sys_create =    vout_GlideSysCreate;
-            p_vout->p_sys_init =      vout_GlideSysInit;
-            p_vout->p_sys_end =       vout_GlideSysEnd;
-            p_vout->p_sys_destroy =   vout_GlideSysDestroy;
-            p_vout->p_sys_manage =    vout_GlideSysManage;
-            p_vout->p_sys_display =   vout_GlideSysDisplay;
-            break;
-#endif
-#ifdef VIDEO_DGA
-        case VOUT_DGA_METHOD:
-            p_vout->p_sys_create =    vout_DGASysCreate;
-            p_vout->p_sys_init =      vout_DGASysInit;
-            p_vout->p_sys_end =       vout_DGASysEnd;
-            p_vout->p_sys_destroy =   vout_DGASysDestroy;
-            p_vout->p_sys_manage =    vout_DGASysManage;
-            p_vout->p_sys_display =   vout_DGASysDisplay;
-            break;
-#endif
-#ifdef VIDEO_GGI
-        case VOUT_GGI_METHOD:
-            p_vout->p_sys_create =    vout_GGISysCreate;
-            p_vout->p_sys_init =      vout_GGISysInit;
-            p_vout->p_sys_end =       vout_GGISysEnd;
-            p_vout->p_sys_destroy =   vout_GGISysDestroy;
-            p_vout->p_sys_manage =    vout_GGISysManage;
-            p_vout->p_sys_display =   vout_GGISysDisplay;
-            break;
-#endif
-#ifdef VIDEO_BEOS
-        case VOUT_BEOS_METHOD:
-            p_vout->p_sys_create =    vout_BSysCreate;
-            p_vout->p_sys_init =      vout_BSysInit;
-            p_vout->p_sys_end =       vout_BSysEnd;
-            p_vout->p_sys_destroy =   vout_BSysDestroy;
-            p_vout->p_sys_manage =    vout_BSysManage;
-            p_vout->p_sys_display =   vout_BSysDisplay;
-            break;
-#endif
-        default:
-            intf_ErrMsg( "error: video output method not available\n" );
-            free( p_vout );
-            return( NULL );
+        intf_ErrMsg( "error: could not open video plugin vout_%s.so\n", psz_method );
+        free( p_vout );
+        return( NULL );
     }
 
+    /* Get plugins */
+    p_vout->p_sys_create =  GetPluginFunction( p_vout->p_vout_plugin, "vout_SysCreate" );
+    p_vout->p_sys_init =    GetPluginFunction( p_vout->p_vout_plugin, "vout_SysInit" );
+    p_vout->p_sys_end =     GetPluginFunction( p_vout->p_vout_plugin, "vout_SysEnd" );
+    p_vout->p_sys_destroy = GetPluginFunction( p_vout->p_vout_plugin, "vout_SysDestroy" );
+    p_vout->p_sys_manage =  GetPluginFunction( p_vout->p_vout_plugin, "vout_SysManage" );
+    p_vout->p_sys_display = GetPluginFunction( p_vout->p_vout_plugin, "vout_SysDisplay" );
+
     /* Initialize thread properties - thread id and locks will be initialized
      * later */
     p_vout->b_die               = 0;
@@ -213,7 +172,7 @@ vout_thread_t * vout_CreateThread   ( char *psz_display, int i_root_window,
         p_vout->p_subpicture[i_index].i_type  = EMPTY_SUBPICTURE;
         p_vout->p_subpicture[i_index].i_status= FREE_SUBPICTURE;
     }
-    p_vout->i_pictures = 0;    
+    p_vout->i_pictures = 0;
 
     /* Initialize synchronization informations */
     p_vout->i_synchro_level     = VOUT_SYNCHRO_LEVEL_START;
@@ -222,8 +181,9 @@ vout_thread_t * vout_CreateThread   ( char *psz_display, int i_root_window,
      * own error messages */
     if( p_vout->p_sys_create( p_vout, psz_display, i_root_window ) )
     {
-      free( p_vout );
-      return( NULL );
+        TrashPlugin( p_vout->p_vout_plugin );
+        free( p_vout );
+        return( NULL );
     }
     intf_DbgMsg("actual configuration: %dx%d, %d/%d bpp (%d Bpl), masks: 0x%x/0x%x/0x%x\n",
                 p_vout->i_width, p_vout->i_height, p_vout->i_screen_depth,
@@ -247,6 +207,7 @@ vout_thread_t * vout_CreateThread   ( char *psz_display, int i_root_window,
     if( p_vout->p_default_font == NULL )
     {
         p_vout->p_sys_destroy( p_vout );
+        TrashPlugin( p_vout->p_vout_plugin );
         free( p_vout );
         return( NULL );
     }
@@ -255,6 +216,7 @@ vout_thread_t * vout_CreateThread   ( char *psz_display, int i_root_window,
     {
         vout_UnloadFont( p_vout->p_default_font );
         p_vout->p_sys_destroy( p_vout );
+        TrashPlugin( p_vout->p_vout_plugin );
         free( p_vout );
         return( NULL );
     }
@@ -270,6 +232,7 @@ vout_thread_t * vout_CreateThread   ( char *psz_display, int i_root_window,
         vout_UnloadFont( p_vout->p_default_font );
         vout_UnloadFont( p_vout->p_large_font );
         p_vout->p_sys_destroy( p_vout );
+        TrashPlugin( p_vout->p_vout_plugin );
         free( p_vout );
         return( NULL );
     }
@@ -606,7 +569,7 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout, int i_type,
                  * can end immediately - this is the best possible case, since no
                  * memory allocation needs to be done */
                 p_vout->p_picture[i_picture].i_status = RESERVED_PICTURE;
-                p_vout->i_pictures++;                
+                p_vout->i_pictures++;
 #ifdef DEBUG_VIDEO
                 intf_DbgMsg("picture %p (in destroyed picture slot)\n",
                             &p_vout->p_picture[i_picture] );
@@ -690,7 +653,7 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout, int i_type,
             p_free_picture->i_display_height            = i_height;
             p_free_picture->i_aspect_ratio              = AR_SQUARE_PICTURE;
             p_free_picture->i_refcount                  = 0;
-            p_vout->i_pictures++;            
+            p_vout->i_pictures++;
         }
         else
         {
@@ -723,7 +686,7 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout, int i_type,
  *****************************************************************************/
 void vout_DestroyPicture( vout_thread_t *p_vout, picture_t *p_pic )
 {
-   vlc_mutex_lock( &p_vout->picture_lock );   
+   vlc_mutex_lock( &p_vout->picture_lock );
 
 #ifdef DEBUG
    /* Check if picture status is valid */
@@ -736,12 +699,12 @@ void vout_DestroyPicture( vout_thread_t *p_vout, picture_t *p_pic )
 #endif
 
    p_pic->i_status = DESTROYED_PICTURE;
-   p_vout->i_pictures--;    
+   p_vout->i_pictures--;
 
 #ifdef DEBUG_VIDEO
    intf_DbgMsg("picture %p\n", p_pic);
 #endif
-   vlc_mutex_unlock( &p_vout->picture_lock );   
+   vlc_mutex_unlock( &p_vout->picture_lock );
 }
 
 /*****************************************************************************
@@ -783,7 +746,7 @@ void vout_UnlinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
     if( (p_pic->i_refcount == 0) && (p_pic->i_status == DISPLAYED_PICTURE) )
     {
         p_pic->i_status = DESTROYED_PICTURE;
-        p_vout->i_pictures--;        
+        p_vout->i_pictures--;
     }
 
 #ifdef DEBUG_VIDEO
@@ -942,10 +905,10 @@ static int InitThread( vout_thread_t *p_vout )
  *****************************************************************************/
 static void RunThread( vout_thread_t *p_vout)
 {
-    //?? welcome to gore land
+    /* XXX?? welcome to gore land */
     static int i_trash_count = 0;
     static mtime_t last_display_date = 0;
-    
+
     int             i_index;                                /* index in heap */
     mtime_t         current_date;                            /* current date */
     mtime_t         display_date;                            /* display date */
@@ -997,9 +960,9 @@ static void RunThread( vout_thread_t *p_vout)
             /* Computes FPS rate */
             p_vout->p_fps_sample[ p_vout->c_fps_samples++ % VOUT_FPS_SAMPLES ] = display_date;
 #endif
-// ???
+/* XXX?? */
 i_trash_count++;
-fprintf( stderr, "gap : %Ld\n", display_date-last_display_date );
+//fprintf( stderr, "gap : %Ld\n", display_date-last_display_date );
 last_display_date = display_date;
 #if 1
             if( display_date < current_date && i_trash_count > 4 )
@@ -1010,26 +973,26 @@ last_display_date = display_date;
                 vlc_mutex_lock( &p_vout->picture_lock );
                 if( p_pic->i_refcount )
                 {
-                    p_pic->i_status = DISPLAYED_PICTURE;                    
+                    p_pic->i_status = DISPLAYED_PICTURE;
                 }
                 else
                 {
                     p_pic->i_status = DESTROYED_PICTURE;
-                    p_vout->i_pictures--;                    
+                    p_vout->i_pictures--;
                 }
                 intf_DbgMsg( "warning: late picture %p skipped refcount=%d\n", p_pic, p_pic->i_refcount );
                 vlc_mutex_unlock( &p_vout->picture_lock );
 
-                /* Update synchronization information as if display delay 
+                /* Update synchronization information as if display delay
                  * was 0 */
                 Synchronize( p_vout, display_date - current_date );
-                
+
                 p_pic =         NULL;
                 display_date =  0;
                 i_trash_count = 0;
             }
-            else 
-#endif                
+            else
+#endif
                 if( display_date > current_date + VOUT_DISPLAY_DELAY )
             {
                 /* A picture is ready to be rendered, but its rendering date is
@@ -1040,7 +1003,7 @@ last_display_date = display_date;
             }
             else
             {
-                /* Picture will be displayed, update synchronization 
+                /* Picture will be displayed, update synchronization
                  * information */
                 Synchronize( p_vout, display_date - current_date );
             }
@@ -1050,7 +1013,7 @@ last_display_date = display_date;
          * only READY_SUBPICTURES are handled. If no picture has been selected,
          * display_date will depend on the subpicture
          */
-        //??
+        /* XXX?? */
 
         /*
          * Perform rendering, sleep and display rendered picture
@@ -1078,12 +1041,12 @@ last_display_date = display_date;
             vlc_mutex_lock( &p_vout->picture_lock );
             if( p_pic->i_refcount )
             {
-                p_pic->i_status = DISPLAYED_PICTURE;                    
+                p_pic->i_status = DISPLAYED_PICTURE;
             }
             else
             {
                 p_pic->i_status = DESTROYED_PICTURE;
-                p_vout->i_pictures--;                    
+                p_vout->i_pictures--;
             }
             vlc_mutex_unlock( &p_vout->picture_lock );
 
@@ -1135,7 +1098,7 @@ last_display_date = display_date;
         }
         else if( p_vout->b_active )        /* idle or interface screen alone */
         {
-            if( p_vout->b_interface && 0 /* && ?? intf_change */ )
+            if( p_vout->b_interface && 0 /* && XXX?? intf_change */ )
             {
                 /* Interface has changed, so a new rendering is required - force
                  * it by setting last idle date to 0 */
@@ -1289,6 +1252,11 @@ static void DestroyThread( vout_thread_t *p_vout, int i_status )
     vout_UnloadFont( p_vout->p_default_font );
     vout_UnloadFont( p_vout->p_large_font );
     p_vout->p_sys_destroy( p_vout );
+
+    /* Close plugin */
+    TrashPlugin( p_vout->p_vout_plugin );
+
+    /* Free structure */
     free( p_vout );
     *pi_status = i_status;
 }
@@ -1890,7 +1858,7 @@ static void RenderInterface( vout_thread_t *p_vout )
          i_byte < p_vout->i_height * p_vout->i_bytes_per_line;
          i_byte++ )
     {
-        //?? noooo !
+        /* XXX?? noooo ! */
         p_vout->p_buffer[ p_vout->i_buffer_index ].p_data[ i_byte ] = p_vout->i_blue_pixel;
     }
 
@@ -1924,7 +1892,7 @@ static void RenderInterface( vout_thread_t *p_vout )
 static void Synchronize( vout_thread_t *p_vout, s64 i_delay )
 {
     int i_synchro_inc = 0;
-    //???? gore following
+    /* XXX?? gore following */
     static int i_panic_count = 0;
     static int i_last_synchro_inc = 0;
     static float r_synchro_level = VOUT_SYNCHRO_LEVEL_START;
@@ -1932,38 +1900,33 @@ static void Synchronize( vout_thread_t *p_vout, s64 i_delay )
 
     if( i_delay < 0 )
     {
-        fprintf( stderr, "PANIC %d\n", i_panic_count );
+        //fprintf( stderr, "PANIC %d\n", i_panic_count );
         i_panic_count++;
     }
-    
+
     i_truc *= 2;
-    
+
     if( p_vout->i_pictures > VOUT_SYNCHRO_HEAP_IDEAL_SIZE+1 )
     {
         i_truc = 40;
         i_synchro_inc += p_vout->i_pictures - VOUT_SYNCHRO_HEAP_IDEAL_SIZE - 1;
-        
+
     }
-    else 
+    else
     {
         if( p_vout->i_pictures < VOUT_SYNCHRO_HEAP_IDEAL_SIZE )
         {
             i_truc = 32;
-            //i_synchro_inc += p_vout->i_pictures - VOUT_SYNCHRO_HEAP_IDEAL_SIZE;
-        }
-
-        if( i_delay < 1000 )
-        {
-            //i_truc = 4;
+            i_synchro_inc += p_vout->i_pictures - VOUT_SYNCHRO_HEAP_IDEAL_SIZE;
         }
     }
-   
-    if( i_truc > VOUT_SYNCHRO_LEVEL_MAX*2*2*2*2*2 || 
+
+    if( i_truc > VOUT_SYNCHRO_LEVEL_MAX*2*2*2*2*2 ||
         i_synchro_inc*i_last_synchro_inc < 0 )
     {
         i_truc = 32;
     }
-    
+
     if( i_delay < 6000 )
     {
         i_truc = 16;
@@ -1975,25 +1938,25 @@ static void Synchronize( vout_thread_t *p_vout, s64 i_delay )
         if( i_truc < 16 )
             i_truc = 16;
         i_synchro_inc -= 1+(5*(70000-i_delay))/70000;
-    }   
+    }
     else if( i_delay > 100000 )
     {
         r_synchro_level += 1;
         if( i_delay > 130000 )
             r_synchro_level += 1;
     }
-      
+
     r_synchro_level += (float)i_synchro_inc / i_truc;
     p_vout->i_synchro_level = (int)(r_synchro_level+0.5);
-    
+
     if( r_synchro_level > VOUT_SYNCHRO_LEVEL_MAX )
     {
         r_synchro_level = VOUT_SYNCHRO_LEVEL_MAX;
     }
 
-    fprintf( stderr, "synchro level : %d, heap : %d (%d, %d) (%d, %f) - %Ld\n", p_vout->i_synchro_level,
-            p_vout->i_pictures, i_last_synchro_inc, i_synchro_inc, i_truc, r_synchro_level, i_delay );    
-    i_last_synchro_inc = i_synchro_inc;    
+    //fprintf( stderr, "synchro level : %d, heap : %d (%d, %d) (%d, %f) - %Ld\n", p_vout->i_synchro_level,
+    //        p_vout->i_pictures, i_last_synchro_inc, i_synchro_inc, i_truc, r_synchro_level, i_delay );
+    i_last_synchro_inc = i_synchro_inc;
 }
 
 /*****************************************************************************