X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fvideo_output%2Fvout_intf.c;h=c682954ed5681084e4caac380381347cad029551;hb=8a47c573fe02fac7e313dc2cd88b3f7760f5adc3;hp=6507c3a909040cbb5932b6793c2e0bee27512835;hpb=cb047ed85d96168faa9f826f7d56b1da7938401a;p=vlc

diff --git a/src/video_output/vout_intf.c b/src/video_output/vout_intf.c
index 6507c3a909..c682954ed5 100644
--- a/src/video_output/vout_intf.c
+++ b/src/video_output/vout_intf.c
@@ -1,7 +1,7 @@
 /*****************************************************************************
  * vout_intf.c : video output interface
  *****************************************************************************
- * Copyright (C) 2000-2004 VideoLAN
+ * Copyright (C) 2000-2004 the VideoLAN team
  * $Id$
  *
  * Authors: Gildas Bazin <gbazin@videolan.org>
@@ -31,6 +31,8 @@
 
 #include "vlc_video.h"
 #include "video_output.h"
+#include "vlc_image.h"
+#include "vlc_spu.h"
 
 /*****************************************************************************
  * Local prototypes
@@ -39,10 +41,14 @@
 /* Object variables callbacks */
 static int ZoomCallback( vlc_object_t *, char const *,
                          vlc_value_t, vlc_value_t, void * );
+static int CropCallback( 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 *,
                                vlc_value_t, vlc_value_t, void * );
+static int SnapshotCallback( vlc_object_t *, char const *,
+                             vlc_value_t, vlc_value_t, void * );
 
 /*****************************************************************************
  * vout_RequestWindow: Create/Get a video window if possible.
@@ -170,7 +176,11 @@ void vout_IntfInit( vout_thread_t *p_vout )
     vlc_value_t val, text, old_val;
 
     /* Create a few object variables we'll need later on */
+    var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+    var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
     var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+    var_Create( p_vout, "monitor-aspect-ratio",
+                                      VLC_VAR_STRING | VLC_VAR_DOINHERIT );
     var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
     var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
     var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
@@ -205,12 +215,36 @@ void vout_IntfInit( vout_thread_t *p_vout )
 
     var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
 
+    var_Create( p_vout, "crop", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
+                VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
+
+    text.psz_string = _("Crop");
+    var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
+
+    val.psz_string = "";
+    var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
+    val.psz_string = ""; text.psz_string = _("Default");
+    var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
+    val.psz_string = "001:1"; text.psz_string = _("1:1");
+    var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
+    val.psz_string = "004:3"; text.psz_string = _("4:3");
+    var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
+    val.psz_string = "16:9"; text.psz_string = _("16:9");
+    var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
+    val.psz_string = "221:100"; text.psz_string = _("221:100");
+    var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
+
+    var_AddCallback( p_vout, "crop", CropCallback, NULL );
+
     /* Add a variable to indicate if the window should be on top of others */
     var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
     text.psz_string = _("Always on top");
     var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
     var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
 
+    /* Add a variable to indicate whether we want window decoration or not */
+    var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+
     /* Add a fullscreen variable */
     var_Create( p_vout, "fullscreen", VLC_VAR_BOOL );
     text.psz_string = _("Fullscreen");
@@ -223,6 +257,12 @@ void vout_IntfInit( vout_thread_t *p_vout )
     }
     var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
 
+    /* Add a snapshot variable */
+    var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
+    text.psz_string = _("Snapshot");
+    var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
+    var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
+
     /* Mouse coordinates */
     var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
     var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
@@ -235,6 +275,162 @@ void vout_IntfInit( vout_thread_t *p_vout )
     var_Set( p_vout, "intf-change", val );
 }
 
+/*****************************************************************************
+ * vout_Snapshot: generates a snapshot.
+ *****************************************************************************/
+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 = {0}, fmt_out = {0};
+    char *psz_filename;
+    subpicture_t *p_subpic;
+    picture_t *p_pif;
+    vlc_value_t val, format;
+    int i_ret;
+
+    var_Get( p_vout, "snapshot-path", &val );
+    if( val.psz_string && !*val.psz_string )
+    {
+        free( val.psz_string );
+        val.psz_string = 0;
+    }
+
+#if defined(SYS_DARWIN) || defined(SYS_BEOS)
+    if( !val.psz_string && p_vout->p_vlc->psz_homedir )
+    {
+        asprintf( &val.psz_string, "%s/Desktop",
+                  p_vout->p_vlc->psz_homedir );
+    }
+
+#elif defined(WIN32) && !defined(UNDER_CE)
+    if( !val.psz_string && p_vout->p_vlc->psz_homedir )
+    {
+        /* Get the My Pictures folder path */
+
+        char *p_mypicturesdir = NULL;
+        typedef HRESULT (WINAPI *SHGETFOLDERPATH)( HWND, int, HANDLE, DWORD,
+                                                   LPSTR );
+        #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 )
+        {
+            SHGetFolderPath = (void *)GetProcAddress( shfolder_dll,
+                                                      _T("SHGetFolderPathA") );
+            if( SHGetFolderPath != NULL )
+            {
+                p_mypicturesdir = (char *)malloc( MAX_PATH );
+                if( p_mypicturesdir ) 
+                {
+
+                    if( S_OK != SHGetFolderPath( NULL,
+                                        CSIDL_MYPICTURES | CSIDL_FLAG_CREATE,
+                                        NULL, SHGFP_TYPE_CURRENT,
+                                        p_mypicturesdir ) )
+                    {
+                        free( p_mypicturesdir );
+                        p_mypicturesdir = NULL;
+                    }
+                }
+            }
+            FreeLibrary( shfolder_dll );
+        }
+
+        if( p_mypicturesdir == NULL )
+        {
+            asprintf( &val.psz_string, "%s/" CONFIG_DIR,
+                      p_vout->p_vlc->psz_homedir );
+        }
+        else
+        {
+            asprintf( &val.psz_string, p_mypicturesdir );
+            free( p_mypicturesdir );
+        }
+    }
+
+#else
+    if( !val.psz_string && p_vout->p_vlc->psz_homedir )
+    {
+        asprintf( &val.psz_string, "%s/" CONFIG_DIR,
+                  p_vout->p_vlc->psz_homedir );
+    }
+#endif
+
+    if( !val.psz_string )
+    {
+        msg_Err( p_vout, "no directory specified for snapshots" );
+        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 );
+        format.psz_string = strdup( "png" );
+    }
+
+    asprintf( &psz_filename, "%s/vlcsnap-%u.%s", val.psz_string,
+              (unsigned int)(p_pic->date / 100000) & 0xFFFFFF,
+              format.psz_string );
+    free( val.psz_string );
+    free( format.psz_string );
+
+    /* 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 )
+    {
+        msg_Err( p_vout, "could not create snapshot %s", psz_filename );
+        free( psz_filename );
+        image_HandlerDelete( p_image );
+        return VLC_EGENERIC;
+    }
+
+    msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
+    free( psz_filename );
+
+    /* 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;
+    }
+
+    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 );
+
+    spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
+
+    return VLC_SUCCESS;
+}
+
 /*****************************************************************************
  * vout_ControlDefault: default methods for video output control.
  *****************************************************************************/
@@ -252,6 +448,11 @@ int vout_vaControlDefault( vout_thread_t *p_vout, int i_query, va_list args )
         return VLC_SUCCESS;
         break;
 
+    case VOUT_SNAPSHOT:
+        p_vout->b_snapshot = VLC_TRUE;
+        return VLC_SUCCESS;
+        break;
+
     default:
         msg_Dbg( p_vout, "control query not supported" );
         return VLC_EGENERIC;
@@ -269,6 +470,57 @@ static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
     return VLC_SUCCESS;
 }
 
+static int CropCallback( 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;
+    int64_t i_aspect_num, i_aspect_den;
+    unsigned int i_width, i_height;
+
+    char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
+
+    /* Restore defaults */
+    p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset;
+    p_vout->fmt_in.i_visible_width = p_vout->fmt_render.i_visible_width;
+    p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset;
+    p_vout->fmt_in.i_visible_height = p_vout->fmt_render.i_visible_height;
+
+    if( !psz_parser ) goto crop_end;
+
+    i_aspect_num = strtol( newval.psz_string, &psz_end, 0 );
+    if( psz_end == newval.psz_string ) goto crop_end;
+
+    i_aspect_den = strtol( ++psz_parser, &psz_end, 0 );
+    if( psz_end == psz_parser ) goto crop_end;
+
+    i_width = p_vout->fmt_in.i_sar_den * p_vout->fmt_render.i_visible_height *
+        i_aspect_num / i_aspect_den / p_vout->fmt_in.i_sar_num;
+    i_height = p_vout->fmt_render.i_visible_width * p_vout->fmt_in.i_sar_num *
+        i_aspect_den / i_aspect_num / p_vout->fmt_in.i_sar_den;
+
+    if( i_width < p_vout->fmt_render.i_visible_width )
+    {
+        p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset +
+            (p_vout->fmt_render.i_visible_width - i_width) / 2;
+        p_vout->fmt_in.i_visible_width = i_width;
+    }
+    else
+    {
+        p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset +
+            (p_vout->fmt_render.i_visible_height - i_height) / 2;
+        p_vout->fmt_in.i_visible_height = i_height;
+    }
+
+ crop_end:
+    msg_Dbg( p_vout, "cropping picture %ix%i to %i,%i,%ix%i",
+             p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
+             p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
+             p_vout->fmt_in.i_visible_width,
+             p_vout->fmt_in.i_visible_height );
+
+    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 )
 {
@@ -325,3 +577,11 @@ static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
     var_Set( p_vout, "intf-change", val );
     return VLC_SUCCESS;
 }
+
+static int SnapshotCallback( 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;
+    vout_Control( p_vout, VOUT_SNAPSHOT );
+    return VLC_SUCCESS;
+}