]> git.sesse.net Git - vlc/blobdiff - src/video_output/vout_intf.c
Core implementation of --[no]-autoscale and --scale with x11 vout support
[vlc] / src / video_output / vout_intf.c
index a9bfa473083d27fba513ab71219cdf9376939186..4145bde2cc8a0292f9cc85410d029b78ec72bd51 100644 (file)
@@ -2,7 +2,6 @@
  * vout_intf.c : video output interface
  *****************************************************************************
  * Copyright (C) 2000-2007 the VideoLAN team
- * $Id$
  *
  * Authors: Gildas Bazin <gbazin@videolan.org>
  *
  * Preamble
  *****************************************************************************/
 
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
 
 #include <stdio.h>
 #include <stdlib.h>                                                /* free() */
 #include <sys/types.h>                                          /* opendir() */
+#include <sys/stat.h>
 #include <dirent.h>                                             /* opendir() */
+#include <assert.h>
+#include <time.h>                                           /* strftime */
 
 #include <vlc_interface.h>
 #include <vlc_block.h>
 #include <vlc_playlist.h>
 
 #include <vlc_vout.h>
+#include <vlc_window.h>
 #include <vlc_image.h>
 #include <vlc_osd.h>
 #include <vlc_charset.h>
@@ -44,6 +51,7 @@
 #include <vlc_strings.h>
 #include <vlc_charset.h>
 #include "../libvlc.h"
+#include "vout_internal.h"
 
 /*****************************************************************************
  * Local prototypes
@@ -57,6 +65,8 @@ static int CropCallback( vlc_object_t *, char const *,
                          vlc_value_t, vlc_value_t, void * );
 static int AspectCallback( vlc_object_t *, char const *,
                            vlc_value_t, vlc_value_t, void * );
+static int ScalingCallback( vlc_object_t *, char const *,
+                            vlc_value_t, vlc_value_t, void * );
 static int OnTopCallback( vlc_object_t *, char const *,
                           vlc_value_t, vlc_value_t, void * );
 static int FullscreenCallback( vlc_object_t *, char const *,
@@ -71,27 +81,28 @@ static int TitleTimeoutCallback( vlc_object_t *, char const *,
 static int TitlePositionCallback( vlc_object_t *, char const *,
                                   vlc_value_t, vlc_value_t, void * );
 
-/*****************************************************************************
- * vout_RequestWindow: Create/Get a video window if possible.
- *****************************************************************************
- * This function looks for the main interface and tries to request
- * a new video window. If it fails then the vout will still need to create the
- * window by itself.
- *****************************************************************************/
-void *vout_RequestWindow( vout_thread_t *p_vout,
+/**
+ * Creates a video output window.
+ * On Unix systems, this is an X11 drawable (handle).
+ * On Windows, this is a Win32 window (handle).
+ * Video output plugins are supposed to called this function and display the
+ * video within the resulting window, while in windowed mode.
+ *
+ * @param p_vout video output thread to create a window for
+ * @param psz_cap VLC module capability (window system type)
+ * @param pi_x_hint pointer to store the recommended horizontal position [OUT]
+ * @param pi_y_hint pointer to store the recommended vertical position [OUT]
+ * @param pi_width_hint pointer to store the recommended width [OUT]
+ * @param pi_height_hint pointer to store the recommended height [OUT]
+ *
+ * @return a vout_window_t object, or NULL in case of failure.
+ * The window is released with vout_ReleaseWindow().
+ */
+vout_window_t *vout_RequestWindow( vout_thread_t *p_vout, const char *psz_cap,
                           int *pi_x_hint, int *pi_y_hint,
                           unsigned int *pi_width_hint,
                           unsigned int *pi_height_hint )
 {
-    intf_thread_t *p_intf = NULL;
-    vlc_list_t *p_list;
-    void *p_window;
-    vlc_value_t val;
-    int i;
-
-    /* Small kludge */
-    if( !var_Type( p_vout, "aspect-ratio" ) ) vout_IntfInit( p_vout );
-
     /* Get requested coordinates */
     *pi_x_hint = var_GetInteger( p_vout, "video-x" );
     *pi_y_hint = var_GetInteger( p_vout, "video-y" );
@@ -100,91 +111,58 @@ void *vout_RequestWindow( vout_thread_t *p_vout,
     *pi_height_hint = p_vout->i_window_height;
 
     /* Check whether someone provided us with a window ID */
-    var_Get( p_vout->p_libvlc, "drawable", &val );
-    if( val.i_int ) return (void *)(intptr_t)val.i_int;
+    int drawable = var_CreateGetInteger( p_vout, "drawable" );
+    if( drawable ) return (void *)(intptr_t)drawable;
 
-    /* Find if the main interface supports embedding */
-    p_list = vlc_list_find( p_vout, VLC_OBJECT_INTF, FIND_ANYWHERE );
-    if( !p_list ) return NULL;
+    vout_window_t *wnd = vlc_custom_create (VLC_OBJECT(p_vout), sizeof (*wnd),
+                                            VLC_OBJECT_GENERIC, "window");
+    if (wnd == NULL)
+        return NULL;
 
-    for( i = 0; i < p_list->i_count; i++ )
-    {
-        p_intf = (intf_thread_t *)p_list->p_values[i].p_object;
-        if( p_intf->pf_request_window ) break;
-        p_intf = NULL;
-    }
+    wnd->vout = p_vout;
+    wnd->width = *pi_width_hint;
+    wnd->height = *pi_height_hint;
+    wnd->pos_x = *pi_x_hint;
+    wnd->pos_y = *pi_y_hint;
+    vlc_object_attach (wnd, p_vout);
 
-    if( !p_intf )
+    wnd->module = module_need (wnd, psz_cap, NULL, false);
+    if (wnd->module == NULL)
     {
-        vlc_list_release( p_list );
+        msg_Dbg (wnd, "no \"%s\" window provider available", psz_cap);
+        vlc_object_release (wnd);
         return NULL;
     }
-
-    vlc_object_yield( p_intf );
-    vlc_list_release( p_list );
-
-    p_window = p_intf->pf_request_window( p_intf, p_vout, pi_x_hint, pi_y_hint,
-                                          pi_width_hint, pi_height_hint );
-
-    if( !p_window ) vlc_object_release( p_intf );
-    else p_vout->p_parent_intf = p_intf;
-
-    return p_window;
+    *pi_width_hint = wnd->width;
+    *pi_height_hint = wnd->height;
+    *pi_x_hint = wnd->pos_x;
+    *pi_y_hint = wnd->pos_y;
+    return wnd;
 }
 
-void vout_ReleaseWindow( vout_thread_t *p_vout, void *p_window )
+/**
+ * Releases a window handle obtained with vout_RequestWindow().
+ * @param p_vout video output thread that allocated the window
+ *               (if this is NULL; this fnction is a no-op).
+ */
+void vout_ReleaseWindow( vout_window_t *wnd )
 {
-    intf_thread_t *p_intf = p_vout->p_parent_intf;
-
-    if( !p_intf ) return;
-
-    vlc_mutex_lock( &p_intf->object_lock );
-    if( p_intf->b_dead )
-    {
-        vlc_mutex_unlock( &p_intf->object_lock );
+    if (wnd == NULL)
         return;
-    }
 
-    if( !p_intf->pf_release_window )
-    {
-        msg_Err( p_vout, "no pf_release_window");
-        vlc_mutex_unlock( &p_intf->object_lock );
-        vlc_object_release( p_intf );
-        return;
-    }
+    assert (wnd->module);
+    module_unneed (wnd, wnd->module);
 
-    p_intf->pf_release_window( p_intf, p_window );
-
-    p_vout->p_parent_intf = NULL;
-    vlc_mutex_unlock( &p_intf->object_lock );
-    vlc_object_release( p_intf );
+    vlc_object_release (wnd);
 }
 
-int vout_ControlWindow( vout_thread_t *p_vout, void *p_window,
-                        int i_query, va_list args )
+int vout_ControlWindow( vout_window_t *wnd, int i_query, va_list args )
 {
-    intf_thread_t *p_intf = p_vout->p_parent_intf;
-    int i_ret;
-
-    if( !p_intf ) return VLC_EGENERIC;
-
-    vlc_mutex_lock( &p_intf->object_lock );
-    if( p_intf->b_dead )
-    {
-        vlc_mutex_unlock( &p_intf->object_lock );
+    if (wnd == NULL)
         return VLC_EGENERIC;
-    }
-
-    if( !p_intf->pf_control_window )
-    {
-        msg_Err( p_vout, "no pf_control_window");
-        vlc_mutex_unlock( &p_intf->object_lock );
-        return VLC_EGENERIC;
-    }
 
-    i_ret = p_intf->pf_control_window( p_intf, p_window, i_query, args );
-    vlc_mutex_unlock( &p_intf->object_lock );
-    return i_ret;
+    assert (wnd->control);
+    return wnd->control (wnd, i_query, args);
 }
 
 /*****************************************************************************
@@ -207,16 +185,16 @@ static const struct
     const char *psz_label;
 } p_crop_values[] = {
     { "", N_("Default") },
-    { "1:1", "1:1" },
-    { "4:3", "4:3" },
-    { "16:9", "16:9" },
     { "16:10", "16:10" },
-    { "5:4", "5:4" },
-    { "5:3", "5:3" },
-    { "1.85:1", "1.85:1" },
+    { "16:9", "16:9" },
+    { "185:100", "1.85:1" },
     { "221:100", "2.21:1" },
     { "235:100", "2.35:1" },
     { "239:100", "2.39:1" },
+    { "5:3", "5:3" },
+    { "4:3", "4:3" },
+    { "5:4", "5:4" },
+    { "1:1", "1:1" },
     { NULL, NULL } };
 
 static const struct
@@ -260,7 +238,7 @@ static void AddCustomRatios( vout_thread_t *p_vout, const char *psz_var,
 void vout_IntfInit( vout_thread_t *p_vout )
 {
     vlc_value_t val, text, old_val;
-    vlc_bool_t b_force_par = VLC_FALSE;
+    bool b_force_par = false;
     char *psz_buf;
     int i;
 
@@ -283,11 +261,15 @@ void vout_IntfInit( vout_thread_t *p_vout )
     var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
     var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 
-    p_vout->b_title_show = var_CreateGetBool( p_vout, "video-title-show" );
-    p_vout->i_title_timeout =
+    var_Create( p_vout, "mouse-hide-timeout",
+                VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+
+    p_vout->p->b_title_show = var_CreateGetBool( p_vout, "video-title-show" );
+    p_vout->p->i_title_timeout =
         (mtime_t)var_CreateGetInteger( p_vout, "video-title-timeout" );
-    p_vout->i_title_position =
+    p_vout->p->i_title_position =
         var_CreateGetInteger( p_vout, "video-title-position" );
+    p_vout->p->psz_title =  NULL;
 
     var_AddCallback( p_vout, "video-title-show", TitleShowCallback, NULL );
     var_AddCallback( p_vout, "video-title-timeout", TitleTimeoutCallback, NULL );
@@ -343,6 +325,9 @@ void vout_IntfInit( vout_thread_t *p_vout )
         var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
     }
 
+    /* update triggered every time the vout's crop parameters are changed */
+    var_Create( p_vout, "crop-update", VLC_VAR_VOID );
+
     /* Add custom crop ratios */
     psz_buf = config_GetPsz( p_vout, "custom-crop-ratios" );
     AddCustomRatios( p_vout, "crop", psz_buf );
@@ -351,8 +336,8 @@ void vout_IntfInit( vout_thread_t *p_vout )
     var_AddCallback( p_vout, "crop", CropCallback, NULL );
     var_Get( p_vout, "crop", &old_val );
     if( old_val.psz_string && *old_val.psz_string )
-        var_Change( p_vout, "crop", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
-    if( old_val.psz_string ) free( old_val.psz_string );
+        var_TriggerCallback( p_vout, "crop" );
+    free( old_val.psz_string );
 
     /* Monitor pixel aspect-ratio */
     var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
@@ -375,17 +360,17 @@ void vout_IntfInit( vout_thread_t *p_vout )
         }
         if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
 
-        p_vout->i_par_num = i_aspect_num;
-        p_vout->i_par_den = i_aspect_den;
+        p_vout->p->i_par_num = i_aspect_num;
+        p_vout->p->i_par_den = i_aspect_den;
 
-        vlc_ureduce( &p_vout->i_par_num, &p_vout->i_par_den,
-                     p_vout->i_par_num, p_vout->i_par_den, 0 );
+        vlc_ureduce( &p_vout->p->i_par_num, &p_vout->p->i_par_den,
+                     p_vout->p->i_par_num, p_vout->p->i_par_den, 0 );
 
         msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
-                 p_vout->i_par_num, p_vout->i_par_den );
-        b_force_par = VLC_TRUE;
+                 p_vout->p->i_par_num, p_vout->p->i_par_den );
+        b_force_par = true;
     }
-    if( val.psz_string ) free( val.psz_string );
+    free( val.psz_string );
 
     /* Aspect-ratio object var */
     var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
@@ -412,8 +397,23 @@ void vout_IntfInit( vout_thread_t *p_vout )
     var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
     var_Get( p_vout, "aspect-ratio", &old_val );
     if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
-        var_Change( p_vout, "aspect-ratio", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
-    if( old_val.psz_string ) free( old_val.psz_string );
+        var_TriggerCallback( p_vout, "aspect-ratio" );
+    free( old_val.psz_string );
+
+    /* Add variables to manage scaling video */
+    var_Create( p_vout, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
+                | VLC_VAR_ISCOMMAND );
+    text.psz_string = _("Autoscale video");
+    var_Change( p_vout, "autoscale", VLC_VAR_SETTEXT, &text, NULL );
+    var_AddCallback( p_vout, "autoscale", ScalingCallback, NULL );
+    p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
+
+    var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
+                | VLC_VAR_ISCOMMAND );
+    text.psz_string = _("Scale factor");
+    var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
+    var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
+    p_vout->i_zoom = (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
 
     /* Initialize the dimensions of the video window */
     InitWindowSize( p_vout, &p_vout->i_window_width,
@@ -450,201 +450,276 @@ void vout_IntfInit( vout_thread_t *p_vout )
     var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
     var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
     var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
-    var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
+    var_Create( p_vout, "mouse-clicked", VLC_VAR_BOOL );
 
     var_Create( p_vout, "intf-change", VLC_VAR_BOOL );
-    var_SetBool( p_vout, "intf-change", VLC_TRUE );
+    var_SetBool( p_vout, "intf-change", true );
 }
 
 /*****************************************************************************
  * vout_Snapshot: generates a snapshot.
  *****************************************************************************/
+/**
+ * This function will inject a subpicture into the vout with the provided
+ * picture
+ */
+static int VoutSnapshotPip( vout_thread_t *p_vout, image_handler_t *p_image, picture_t *p_pic, const video_format_t *p_fmt_in )
+{
+    video_format_t fmt_in = *p_fmt_in;
+    video_format_t fmt_out;
+    picture_t *p_pip;
+    subpicture_t *p_subpic;
+
+    /* */
+    memset( &fmt_out, 0, sizeof(fmt_out) );
+    fmt_out = fmt_in;
+    fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
+
+    /* */
+    p_pip = image_Convert( p_image, p_pic, &fmt_in, &fmt_out );
+    if( !p_pip )
+        return VLC_EGENERIC;
+
+    p_subpic = subpicture_New();
+    if( p_subpic == NULL )
+    {
+         picture_Release( p_pip );
+         return VLC_EGENERIC;
+    }
+
+    p_subpic->i_channel = 0;
+    p_subpic->i_start = mdate();
+    p_subpic->i_stop = mdate() + 4000000;
+    p_subpic->b_ephemer = true;
+    p_subpic->b_fade = true;
+    p_subpic->i_original_picture_width = fmt_out.i_width * 4;
+    p_subpic->i_original_picture_height = fmt_out.i_height * 4;
+    fmt_out.i_aspect = 0;
+    fmt_out.i_sar_num =
+    fmt_out.i_sar_den = 0;
+
+    p_subpic->p_region = subpicture_region_New( &fmt_out );
+    if( p_subpic->p_region )
+    {
+        picture_Release( p_subpic->p_region->p_picture );
+        p_subpic->p_region->p_picture = p_pip;
+    }
+    else
+    {
+        picture_Release( p_pip );
+    }
+
+    spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
+    return VLC_SUCCESS;
+}
+/**
+ * This function will return the default directory used for snapshots
+ */
+static char *VoutSnapshotGetDefaultDirectory( void )
+{
+    char *psz_path = NULL;
+#if defined(__APPLE__) || defined(SYS_BEOS)
+
+    if( asprintf( &psz_path, "%s/Desktop",
+                  config_GetHomeDir() ) == -1 )
+        psz_path = NULL;
+
+#elif defined(WIN32) && !defined(UNDER_CE)
+
+    /* Get the My Pictures folder path */
+    char *p_mypicturesdir = NULL;
+    typedef HRESULT (WINAPI *SHGETFOLDERPATH)( HWND, int, HANDLE, DWORD,
+                                               LPWSTR );
+    #ifndef CSIDL_FLAG_CREATE
+    #   define CSIDL_FLAG_CREATE 0x8000
+    #endif
+    #ifndef CSIDL_MYPICTURES
+    #   define CSIDL_MYPICTURES 0x27
+    #endif
+    #ifndef SHGFP_TYPE_CURRENT
+    #   define SHGFP_TYPE_CURRENT 0
+    #endif
+
+    HINSTANCE shfolder_dll;
+    SHGETFOLDERPATH SHGetFolderPath ;
+
+    /* load the shfolder dll to retrieve SHGetFolderPath */
+    if( ( shfolder_dll = LoadLibrary( _T("SHFolder.dll") ) ) != NULL )
+    {
+       wchar_t wdir[PATH_MAX];
+       SHGetFolderPath = (void *)GetProcAddress( shfolder_dll,
+                                                  _T("SHGetFolderPathW") );
+        if ((SHGetFolderPath != NULL )
+         && SUCCEEDED (SHGetFolderPath (NULL,
+                                       CSIDL_MYPICTURES | CSIDL_FLAG_CREATE,
+                                       NULL, SHGFP_TYPE_CURRENT,
+                                       wdir)))
+            p_mypicturesdir = FromWide (wdir);
+
+        FreeLibrary( shfolder_dll );
+    }
+
+    if( p_mypicturesdir == NULL )
+        psz_path = strdup( config_GetHomeDir() );
+    else
+        psz_path = p_mypicturesdir;
+
+#else
+
+    /* XXX: This saves in the data directory. Shouldn't we try saving
+     *      to psz_homedir/Desktop or something nicer ? */
+    char *psz_datadir = config_GetUserDataDir();
+    if( psz_datadir )
+    {
+        if( asprintf( &psz_path, "%s", psz_datadir ) == -1 )
+            psz_path = NULL;
+        free( psz_datadir );
+    }
+
+#endif
+
+    return psz_path;
+}
+
 int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
 {
     image_handler_t *p_image = image_HandlerCreate( p_vout );
     video_format_t fmt_in, fmt_out;
     char *psz_filename = NULL;
-    subpicture_t *p_subpic;
-    picture_t *p_pif;
     vlc_value_t val, format;
     DIR *path;
     int i_ret;
+    bool b_embedded_snapshot;
+    void *p_obj;
+
+    /* */
+    val.psz_string = var_GetNonEmptyString( p_vout, "snapshot-path" );
 
+    /* Embedded snapshot : if snapshot-path == object:object_ptr */
+    if( val.psz_string && sscanf( val.psz_string, "object:%p", &p_obj ) > 0 )
+        b_embedded_snapshot = true;
+    else
+        b_embedded_snapshot = false;
+
+    /* */
     memset( &fmt_in, 0, sizeof(video_format_t) );
+    fmt_in = p_vout->fmt_out;
+    if( fmt_in.i_sar_num <= 0 || fmt_in.i_sar_den <= 0 )
+    {
+        fmt_in.i_sar_num =
+        fmt_in.i_sar_den = 1;
+    }
+
+    /* */
     memset( &fmt_out, 0, sizeof(video_format_t) );
+    fmt_out.i_sar_num =
+    fmt_out.i_sar_den = 1;
+    fmt_out.i_chroma = b_embedded_snapshot ? VLC_FOURCC('p','n','g',' ') : 0;
+    fmt_out.i_width = var_GetInteger( p_vout, "snapshot-width" );
+    fmt_out.i_height = var_GetInteger( p_vout, "snapshot-height" );
 
-    var_Get( p_vout, "snapshot-path", &val );
-    if( val.psz_string && !*val.psz_string )
+    if( b_embedded_snapshot &&
+        fmt_out.i_width == 0 && fmt_out.i_height == 0 )
     {
-        free( val.psz_string );
-        val.psz_string = 0;
+        /* If snapshot-width and/or snapshot height were not specified,
+           use a default snapshot width of 320 */
+        fmt_out.i_width = 320;
+    }
+
+    if( fmt_out.i_height == 0 && fmt_out.i_width > 0 )
+    {
+        fmt_out.i_height = fmt_in.i_height * fmt_out.i_width / fmt_in.i_width;
+        const int i_height = fmt_out.i_height * fmt_in.i_sar_den / fmt_in.i_sar_num;
+        if( i_height > 0 )
+            fmt_out.i_height = i_height;
+    }
+    else
+    {
+        if( fmt_out.i_width == 0 && fmt_out.i_height > 0 )
+        {
+            fmt_out.i_width = fmt_in.i_width * fmt_out.i_height / fmt_in.i_height;
+        }
+        else
+        {
+            fmt_out.i_width = fmt_in.i_width;
+            fmt_out.i_height = fmt_in.i_height;
+        }
+        const int i_width = fmt_out.i_width * fmt_in.i_sar_num / fmt_in.i_sar_den;
+        if( i_width > 0 )
+            fmt_out.i_width = i_width;
     }
 
-    /* Embedded snapshot : if snapshot-path == object:object-id, then
+    /* Embedded snapshot
        create a snapshot_t* and store it in
-       object(object-id)->p_private, then unlock and signal the
+       object_ptr->p_private, then unlock and signal the
        waiting object.
      */
-    if( val.psz_string && !strncmp( val.psz_string, "object:", 7 ) )
+    if( b_embedded_snapshot )
     {
-        int i_id;
-        vlc_object_t* p_dest;
         block_t *p_block;
-        snapshot_t *p_snapshot;
-        int i_size;
+        snapshot_t *p_snapshot = p_obj;
+        size_t i_size;
 
-        /* Destination object-id is following object: */
-        i_id = atoi( &val.psz_string[7] );
-        p_dest = ( vlc_object_t* )vlc_current_object( i_id );
-        if( !p_dest )
-        {
-            msg_Err( p_vout, "Cannot find calling object" );
-            image_HandlerDelete( p_image );
-            return VLC_EGENERIC;
-        }
-        /* Object must be locked. We will unlock it once we get the
-           snapshot and written it to p_private */
-        p_dest->p_private = NULL;
+       vlc_mutex_lock( &p_snapshot->p_mutex );
+       p_snapshot->p_data = NULL;
 
         /* Save the snapshot to a memory zone */
-        fmt_in = p_vout->fmt_in;
-        fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
-        fmt_out.i_width = var_GetInteger( p_vout, "snapshot-width" );
-        fmt_out.i_height = var_GetInteger( p_vout, "snapshot-height" );
-        fmt_out.i_chroma = VLC_FOURCC( 'p','n','g',' ' );
-
-        p_block = ( block_t* ) image_Write( p_image, p_pic, &fmt_in, &fmt_out );
+        p_block = image_Write( p_image, p_pic, &fmt_in, &fmt_out );
         if( !p_block )
         {
             msg_Err( p_vout, "Could not get snapshot" );
             image_HandlerDelete( p_image );
-            vlc_cond_signal( &p_dest->object_wait );
-            vlc_object_release( p_dest );
+           vlc_cond_signal( &p_snapshot->p_condvar );
+           vlc_mutex_unlock( &p_snapshot->p_mutex );
             return VLC_EGENERIC;
         }
 
-        /* Copy the p_block data to a snapshot structure */
-        /* FIXME: get the timestamp */
-        p_snapshot = ( snapshot_t* ) malloc( sizeof( snapshot_t ) );
-        if( !p_snapshot )
-        {
-            block_Release( p_block );
-            image_HandlerDelete( p_image );
-            vlc_cond_signal( &p_dest->object_wait );
-            vlc_object_release( p_dest );
-            return VLC_ENOMEM;
-        }
-
         i_size = p_block->i_buffer;
 
         p_snapshot->i_width = fmt_out.i_width;
         p_snapshot->i_height = fmt_out.i_height;
         p_snapshot->i_datasize = i_size;
         p_snapshot->date = p_block->i_pts; /* FIXME ?? */
-        p_snapshot->p_data = ( char* ) malloc( i_size );
+        p_snapshot->p_data = malloc( i_size );
         if( !p_snapshot->p_data )
         {
             block_Release( p_block );
-            free( p_snapshot );
             image_HandlerDelete( p_image );
-            vlc_cond_signal( &p_dest->object_wait );
-            vlc_object_release( p_dest );
+           vlc_cond_signal( &p_snapshot->p_condvar );
+           vlc_mutex_unlock( &p_snapshot->p_mutex );
             return VLC_ENOMEM;
         }
         memcpy( p_snapshot->p_data, p_block->p_buffer, p_block->i_buffer );
 
-        p_dest->p_private = p_snapshot;
-
         block_Release( p_block );
 
         /* Unlock the object */
-        vlc_cond_signal( &p_dest->object_wait );
-        vlc_object_release( p_dest );
+       vlc_cond_signal( &p_snapshot->p_condvar );
+       vlc_mutex_unlock( &p_snapshot->p_mutex );
 
         image_HandlerDelete( p_image );
         return VLC_SUCCESS;
     }
 
-#if defined(__APPLE__) || defined(SYS_BEOS)
-    if( !val.psz_string && p_vout->p_libvlc->psz_homedir )
-    {
-        if( asprintf( &val.psz_string, "%s/Desktop",
-                      p_vout->p_libvlc->psz_homedir ) == -1 )
-            val.psz_string = NULL;
-    }
-
-#elif defined(WIN32) && !defined(UNDER_CE)
-    if( !val.psz_string && p_vout->p_libvlc->psz_homedir )
-    {
-        /* Get the My Pictures folder path */
-
-        char *p_mypicturesdir = NULL;
-        typedef HRESULT (WINAPI *SHGETFOLDERPATH)( HWND, int, HANDLE, DWORD,
-                                                   LPWSTR );
-        #ifndef CSIDL_FLAG_CREATE
-        #   define CSIDL_FLAG_CREATE 0x8000
-        #endif
-        #ifndef CSIDL_MYPICTURES
-        #   define CSIDL_MYPICTURES 0x27
-        #endif
-        #ifndef SHGFP_TYPE_CURRENT
-        #   define SHGFP_TYPE_CURRENT 0
-        #endif
-
-        HINSTANCE shfolder_dll;
-        SHGETFOLDERPATH SHGetFolderPath ;
-
-        /* load the shfolder dll to retrieve SHGetFolderPath */
-        if( ( shfolder_dll = LoadLibrary( _T("SHFolder.dll") ) ) != NULL )
-        {
-           wchar_t wdir[PATH_MAX];
-           SHGetFolderPath = (void *)GetProcAddress( shfolder_dll,
-                                                      _T("SHGetFolderPathW") );
-            if ((SHGetFolderPath != NULL )
-             && SUCCEEDED (SHGetFolderPath (NULL,
-                                           CSIDL_MYPICTURES | CSIDL_FLAG_CREATE,
-                                           NULL, SHGFP_TYPE_CURRENT,
-                                           wdir)))
-                p_mypicturesdir = FromWide (wdir);
-
-            FreeLibrary( shfolder_dll );
-        }
-
-        if( p_mypicturesdir == NULL )
-        {
-            if( asprintf( &val.psz_string, "%s",
-                          p_vout->p_libvlc->psz_homedir ) == -1 )
-                val.psz_string = NULL;
-        }
-        else
-        {
-            if( asprintf( &val.psz_string, p_mypicturesdir ) == -1 )
-                val.psz_string = NULL;
-            free( p_mypicturesdir );
-        }
-    }
-
-#else
-    /* XXX: This saves in the data directory. Shouldn't we try saving
-     *      to psz_homedir/Desktop or something nicer ? */
-    if( !val.psz_string && p_vout->p_libvlc->psz_datadir )
-    {
-        if( asprintf( &val.psz_string, "%s",
-                      p_vout->p_libvlc->psz_datadir ) == -1 )
-            val.psz_string = NULL;
-    }
-#endif
-
+    /* Get default directory if none provided */
+    if( !val.psz_string )
+        val.psz_string = VoutSnapshotGetDefaultDirectory( );
     if( !val.psz_string )
     {
         msg_Err( p_vout, "no path specified for snapshots" );
+        image_HandlerDelete( p_image );
         return VLC_EGENERIC;
     }
-    var_Get( p_vout, "snapshot-format", &format );
-    if( !format.psz_string || !*format.psz_string )
-    {
-        if( format.psz_string ) free( format.psz_string );
+
+    /* Get snapshot format, default being "png" */
+    format.psz_string = var_GetNonEmptyString( p_vout, "snapshot-format" );
+    if( !format.psz_string )
         format.psz_string = strdup( "png" );
+    if( !format.psz_string )
+    {
+        free( val.psz_string );
+        image_HandlerDelete( p_image );
+        return VLC_ENOMEM;
     }
 
     /*
@@ -665,12 +740,14 @@ int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
         }
 
         closedir( path );
-        if( var_GetBool( p_vout, "snapshot-sequential" ) == VLC_TRUE )
+        if( var_GetBool( p_vout, "snapshot-sequential" ) == true )
         {
             int i_num = var_GetInteger( p_vout, "snapshot-num" );
-            FILE *p_file;
+            struct stat st;
+
             do
             {
+                free( psz_filename );
                 if( asprintf( &psz_filename, "%s" DIR_SEP "%s%05d.%s",
                               val.psz_string, psz_prefix, i_num++,
                               format.psz_string ) == -1 )
@@ -680,22 +757,48 @@ int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
                     return VLC_EGENERIC;
                 }
             }
-            while( ( p_file = utf8_fopen( psz_filename, "r" ) ) && !fclose( p_file ) );
+            while( utf8_stat( psz_filename, &st ) == 0 );
+
             var_SetInteger( p_vout, "snapshot-num", i_num );
         }
         else
         {
-            if( asprintf( &psz_filename, "%s" DIR_SEP "%s%u.%s",
+            struct tm    curtime;
+            time_t        lcurtime ;
+            lcurtime = time( NULL ) ;
+            if ( ( localtime_r( &lcurtime, &curtime ) == NULL ) )
+            {
+                msg_Warn( p_vout, "failed to get current time. Falling back to legacy snapshot naming" );
+                /* failed to get current time. Fallback to old format */
+                if( asprintf( &psz_filename, "%s" DIR_SEP "%s%u.%s",
                           val.psz_string, psz_prefix,
                           (unsigned int)(p_pic->date / 100000) & 0xFFFFFF,
                           format.psz_string ) == -1 )
-            {
-                msg_Err( p_vout, "could not create snapshot" );
-                image_HandlerDelete( p_image );
-                return VLC_EGENERIC;
+                {
+                    msg_Err( p_vout, "could not create snapshot" );
+                    image_HandlerDelete( p_image );
+                    return VLC_EGENERIC;
+                }
             }
-        }
-
+            else
+            {
+                char psz_curtime[15] ;
+                if( strftime( psz_curtime, 15, "%y%m%d-%H%M%S", &curtime ) == 0 )
+                {
+                    msg_Warn( p_vout, "snapshot date string truncated" ) ;
+                }
+                if( asprintf( &psz_filename, "%s" DIR_SEP "%s%s%1u.%s",
+                      val.psz_string, psz_prefix, psz_curtime,
+                     /* suffix with the last decimal digit in 10s of seconds resolution */
+                     (unsigned int)(p_pic->date / (100*1000)) & 0xFF,
+                      format.psz_string ) == -1 )
+                {
+                    msg_Err( p_vout, "could not create snapshot" );
+                    image_HandlerDelete( p_image );
+                    return VLC_EGENERIC;
+                }
+            } //end if time() < 0
+        } //end snapshot sequential
         free( psz_prefix );
     }
     else // The user specified a full path name (including file name)
@@ -707,23 +810,7 @@ int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
     free( val.psz_string );
     free( format.psz_string );
 
-    fmt_out.i_width = var_GetInteger( p_vout, "snapshot-width" );
-    fmt_out.i_height = var_GetInteger( p_vout, "snapshot-height" );
-
-    if( fmt_out.i_width == 0 && fmt_out.i_height > 0 )
-    {
-        float f = (float)p_vout->fmt_in.i_height / fmt_out.i_height;
-        fmt_out.i_width = p_vout->fmt_in.i_width / f;
-    }
-    else if( fmt_out.i_height == 0 && fmt_out.i_width > 0 )
-    {
-        float f = (float)p_vout->fmt_in.i_width / fmt_out.i_width;
-        fmt_out.i_height = p_vout->fmt_in.i_height / f;
-    }
-
     /* Save the snapshot */
-    fmt_in = p_vout->fmt_in;
-    fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
     i_ret = image_WriteUrl( p_image, p_pic, &fmt_in, &fmt_out, psz_filename );
     if( i_ret != VLC_SUCCESS )
     {
@@ -733,46 +820,27 @@ int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
         return VLC_EGENERIC;
     }
 
+    /* */
     msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
     vout_OSDMessage( VLC_OBJECT( p_vout ), DEFAULT_CHAN,
                      "%s", psz_filename );
-    free( psz_filename );
-
-    if( var_GetBool( p_vout, "snapshot-preview" ) )
-    {
-        /* Inject a subpicture with the snapshot */
-        memset( &fmt_out, 0, sizeof(fmt_out) );
-        fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
-        p_pif = image_Convert( p_image, p_pic, &fmt_in, &fmt_out );
-        image_HandlerDelete( p_image );
-        if( !p_pif ) return VLC_EGENERIC;
 
-        p_subpic = spu_CreateSubpicture( p_vout->p_spu );
-        if( p_subpic == NULL )
-        {
-             p_pif->pf_release( p_pif );
-             return VLC_EGENERIC;
-        }
+    /* Generate a media player event  - Right now just trigger a global libvlc var
+        CHECK: Could not find a more local object. The goal is to communicate
+        vout_thread with libvlc_media_player or its input_thread*/
+    val.psz_string =  psz_filename  ;
 
-        p_subpic->i_channel = 0;
-        p_subpic->i_start = mdate();
-        p_subpic->i_stop = mdate() + 4000000;
-        p_subpic->b_ephemer = VLC_TRUE;
-        p_subpic->b_fade = VLC_TRUE;
-        p_subpic->i_original_picture_width = p_vout->render.i_width * 4;
-        p_subpic->i_original_picture_height = p_vout->render.i_height * 4;
-
-        p_subpic->p_region = spu_CreateRegion( p_vout->p_spu, &fmt_out );
-        vout_CopyPicture( p_image->p_parent, &p_subpic->p_region->picture,
-                          p_pif );
-        p_pif->pf_release( p_pif );
+    var_Set( p_vout->p_libvlc, "vout-snapshottaken", val );
+    /* var_Set duplicates data for transport so we can free*/
+    free( psz_filename );
 
-        spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
-    }
-    else
+    /* */
+    if( var_GetBool( p_vout, "snapshot-preview" ) )
     {
-        image_HandlerDelete( p_image );
+        if( VoutSnapshotPip( p_vout, p_image, p_pic, &fmt_in ) )
+            msg_Warn( p_vout, "Failed to display snapshot" );
     }
+    image_HandlerDelete( p_image );
 
     return VLC_SUCCESS;
 }
@@ -782,7 +850,7 @@ int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
  *****************************************************************************/
 
 void vout_EnableFilter( vout_thread_t *p_vout, char *psz_name,
-                        vlc_bool_t b_add, vlc_bool_t b_setconfig )
+                        bool b_add, bool b_setconfig )
 {
     char *psz_parser;
     char *psz_string = config_GetPsz( p_vout, "vout-filter" );
@@ -842,25 +910,14 @@ int vout_vaControlDefault( vout_thread_t *p_vout, int i_query, va_list args )
     (void)args;
     switch( i_query )
     {
-    case VOUT_REPARENT:
-    case VOUT_CLOSE:
-        if( p_vout->p_parent_intf )
-        {
-            vlc_object_release( p_vout->p_parent_intf );
-            p_vout->p_parent_intf = NULL;
-        }
-        return VLC_SUCCESS;
-        break;
-
     case VOUT_SNAPSHOT:
-        p_vout->b_snapshot = VLC_TRUE;
+        p_vout->p->b_snapshot = true;
         return VLC_SUCCESS;
-        break;
 
     default:
         msg_Dbg( p_vout, "control query not supported" );
-        return VLC_EGENERIC;
     }
+    return VLC_EGENERIC;
 }
 
 /*****************************************************************************
@@ -1097,6 +1154,8 @@ static int CropCallback( vlc_object_t *p_this, char const *psz_cmd,
              p_vout->fmt_in.i_visible_width,
              p_vout->fmt_in.i_visible_height );
 
+    var_SetVoid( p_vout, "crop-update" );
+
     return VLC_SUCCESS;
 }
 
@@ -1133,12 +1192,12 @@ static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
     p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
 
  aspect_end:
-    if( p_vout->i_par_num && p_vout->i_par_den )
+    if( p_vout->p->i_par_num && p_vout->p->i_par_den )
     {
-        p_vout->fmt_in.i_sar_num *= p_vout->i_par_den;
-        p_vout->fmt_in.i_sar_den *= p_vout->i_par_num;
+        p_vout->fmt_in.i_sar_num *= p_vout->p->i_par_den;
+        p_vout->fmt_in.i_sar_den *= p_vout->p->i_par_num;
         p_vout->fmt_in.i_aspect = p_vout->fmt_in.i_aspect *
-            p_vout->i_par_den / p_vout->i_par_num;
+            p_vout->p->i_par_den / p_vout->p->i_par_num;
         p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
     }
 
@@ -1150,23 +1209,47 @@ static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
              i_aspect_num, i_aspect_den,
              p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
 
-    var_Get( p_vout, "crop", &val );
-    return CropCallback( p_this, "crop", val, val, 0 );
+    if( var_Get( p_vout, "crop", &val ) )
+        return VLC_EGENERIC;
+
+    int i_ret = CropCallback( p_this, "crop", val, val, 0 );
+    free( val.psz_string );
+    return i_ret;
+}
+
+static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
+                         vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+    vout_thread_t *p_vout = (vout_thread_t *)p_this;
+    (void)oldval; (void)newval; (void)p_data;
+
+    vlc_mutex_lock( &p_vout->change_lock );
+
+    if( !strcmp( psz_cmd, "autoscale" ) )
+    {
+        p_vout->i_changes |= VOUT_SCALE_CHANGE;
+    }
+    else if( !strcmp( psz_cmd, "scale" ) )
+    {
+        p_vout->i_changes |= VOUT_ZOOM_CHANGE;
+    }
+
+    vlc_mutex_unlock( &p_vout->change_lock );
+
+    return VLC_SUCCESS;
 }
 
 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
                          vlc_value_t oldval, vlc_value_t newval, void *p_data )
 {
     vout_thread_t *p_vout = (vout_thread_t *)p_this;
-    playlist_t *p_playlist = pl_Yield( p_this );
     vout_Control( p_vout, VOUT_SET_STAY_ON_TOP, newval.b_bool );
     (void)psz_cmd; (void)oldval; (void)p_data;
 
-    /* Modify playlist as well because the vout might have to be restarted */
-    var_Create( p_playlist, "video-on-top", VLC_VAR_BOOL );
-    var_Set( p_playlist, "video-on-top", newval );
+    /* Modify libvlc as well because the vout might have to be restarted */
+    var_Create( p_vout->p_libvlc, "video-on-top", VLC_VAR_BOOL );
+    var_Set( p_vout->p_libvlc, "video-on-top", newval );
 
-    pl_Release( p_this );
     return VLC_SUCCESS;
 }
 
@@ -1175,17 +1258,15 @@ static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
 {
     vout_thread_t *p_vout = (vout_thread_t *)p_this;
     vlc_value_t val;
-    playlist_t *p_playlist = pl_Yield( p_this );
     (void)psz_cmd; (void)oldval; (void)p_data;
 
     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 
-    /* Modify playlist as well because the vout might have to be restarted */
-    var_Create( p_playlist, "fullscreen", VLC_VAR_BOOL );
-    var_Set( p_playlist, "fullscreen", newval );
-    pl_Release( p_playlist );
+    /* Modify libvlc as well because the vout might have to be restarted */
+    var_Create( p_vout->p_libvlc, "fullscreen", VLC_VAR_BOOL );
+    var_Set( p_vout->p_libvlc, "fullscreen", newval );
 
-    val.b_bool = VLC_TRUE;
+    val.b_bool = true;
     var_Set( p_vout, "intf-change", val );
     return VLC_SUCCESS;
 }
@@ -1193,6 +1274,8 @@ static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
 {
+    VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
+    VLC_UNUSED(newval); VLC_UNUSED(p_data);
     vout_thread_t *p_vout = (vout_thread_t *)p_this;
     vout_Control( p_vout, VOUT_SNAPSHOT );
     return VLC_SUCCESS;
@@ -1201,23 +1284,28 @@ static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
 static int TitleShowCallback( vlc_object_t *p_this, char const *psz_cmd,
                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
 {
+    VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
+    VLC_UNUSED(p_data);
     vout_thread_t *p_vout = (vout_thread_t *)p_this;
-    p_vout->b_title_show = newval.b_bool;
+    p_vout->p->b_title_show = newval.b_bool;
     return VLC_SUCCESS;
 }
 
 static int TitleTimeoutCallback( vlc_object_t *p_this, char const *psz_cmd,
                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
 {
+    VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
     vout_thread_t *p_vout = (vout_thread_t *)p_this;
-    p_vout->i_title_timeout = (mtime_t) newval.i_int;
+    p_vout->p->i_title_timeout = (mtime_t) newval.i_int;
     return VLC_SUCCESS;
 }
 
 static int TitlePositionCallback( vlc_object_t *p_this, char const *psz_cmd,
                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
 {
+    VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
+    VLC_UNUSED(p_data);
     vout_thread_t *p_vout = (vout_thread_t *)p_this;
-    p_vout->i_title_position = newval.i_int;
+    p_vout->p->i_title_position = newval.i_int;
     return VLC_SUCCESS;
 }