/*****************************************************************************
* 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>
#include "vlc_video.h"
#include "video_output.h"
+#include "vlc_image.h"
+#include "vlc_spu.h"
/*****************************************************************************
* Local prototypes
/* 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.
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 );
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");
}
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 );
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.
*****************************************************************************/
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;
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 )
{
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;
+}
projects / vlc / blobdiff