vout_intf.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:45k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * vout_intf.c : video output interface
- *****************************************************************************
- * Copyright (C) 2000-2007 the VideoLAN team
- *
- * Authors: Gildas Bazin <gbazin@videolan.org>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #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>
- #include <vlc_strings.h>
- #include <vlc_charset.h>
- #include "../libvlc.h"
- #include "vout_internal.h"
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- static void InitWindowSize( vout_thread_t *, unsigned *, unsigned * );
- /* 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 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 *,
- vlc_value_t, vlc_value_t, void * );
- static int SnapshotCallback( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
- static int TitleShowCallback( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
- static int TitleTimeoutCallback( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
- static int TitlePositionCallback( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
- /**
- * 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 )
- {
- /* Get requested coordinates */
- *pi_x_hint = var_GetInteger( p_vout, "video-x" );
- *pi_y_hint = var_GetInteger( p_vout, "video-y" );
- *pi_width_hint = p_vout->i_window_width;
- *pi_height_hint = p_vout->i_window_height;
- vout_window_t *wnd = vlc_custom_create (VLC_OBJECT(p_vout), sizeof (*wnd),
- VLC_OBJECT_GENERIC, "window");
- if (wnd == NULL)
- return 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);
- wnd->module = module_need (wnd, psz_cap, NULL, false);
- if (wnd->module == NULL)
- {
- msg_Dbg (wnd, "no "%s" window provider available", psz_cap);
- vlc_object_release (wnd);
- return NULL;
- }
- *pi_width_hint = wnd->width;
- *pi_height_hint = wnd->height;
- *pi_x_hint = wnd->pos_x;
- *pi_y_hint = wnd->pos_y;
- return wnd;
- }
- /**
- * 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 )
- {
- if (wnd == NULL)
- return;
- assert (wnd->module);
- module_unneed (wnd, wnd->module);
- vlc_object_release (wnd);
- }
- int vout_ControlWindow( vout_window_t *wnd, int i_query, va_list args )
- {
- if (wnd == NULL)
- return VLC_EGENERIC;
- assert (wnd->control);
- return wnd->control (wnd, i_query, args);
- }
- /*****************************************************************************
- * vout_IntfInit: called during the vout creation to initialise misc things.
- *****************************************************************************/
- static const struct
- {
- double f_value;
- const char *psz_label;
- } p_zoom_values[] = {
- { 0.25, N_("1:4 Quarter") },
- { 0.5, N_("1:2 Half") },
- { 1, N_("1:1 Original") },
- { 2, N_("2:1 Double") },
- { 0, NULL } };
- static const struct
- {
- const char *psz_value;
- const char *psz_label;
- } p_crop_values[] = {
- { "", N_("Default") },
- { "16:10", "16:10" },
- { "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
- {
- const char *psz_value;
- const char *psz_label;
- } p_aspect_ratio_values[] = {
- { "", N_("Default") },
- { "1:1", "1:1" },
- { "4:3", "4:3" },
- { "16:9", "16:9" },
- { "16:10", "16:10" },
- { "221:100", "2.21:1" },
- { "5:4", "5:4" },
- { NULL, NULL } };
- static void AddCustomRatios( vout_thread_t *p_vout, const char *psz_var,
- char *psz_list )
- {
- if( psz_list && *psz_list )
- {
- char *psz_cur = psz_list;
- char *psz_next;
- while( psz_cur && *psz_cur )
- {
- vlc_value_t val, text;
- psz_next = strchr( psz_cur, ',' );
- if( psz_next )
- {
- *psz_next = ' ';
- psz_next++;
- }
- val.psz_string = psz_cur;
- text.psz_string = psz_cur;
- var_Change( p_vout, psz_var, VLC_VAR_ADDCHOICE, &val, &text);
- psz_cur = psz_next;
- }
- }
- }
- void vout_IntfInit( vout_thread_t *p_vout )
- {
- vlc_value_t val, text, old_val;
- bool b_force_par = false;
- char *psz_buf;
- int i;
- /* 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-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- var_Create( p_vout, "snapshot-sequential",
- VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
- var_SetInteger( p_vout, "snapshot-num", 1 );
- var_Create( p_vout, "snapshot-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_vout, "snapshot-height", VLC_VAR_INTEGER | 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 );
- p_vout->i_alignment = var_CreateGetInteger( p_vout, "align" );
- var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- 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->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 );
- var_AddCallback( p_vout, "video-title-position", TitlePositionCallback, NULL );
- /* Zoom object var */
- var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
- VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
- text.psz_string = _("Zoom");
- var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
- var_Get( p_vout, "zoom", &old_val );
- for( i = 0; p_zoom_values[i].f_value; i++ )
- {
- if( old_val.f_float == p_zoom_values[i].f_value )
- var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
- val.f_float = p_zoom_values[i].f_value;
- text.psz_string = _( p_zoom_values[i].psz_label );
- var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
- }
- var_Set( p_vout, "zoom", old_val ); /* Is this really needed? */
- var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
- /* Crop offset vars */
- var_Create( p_vout, "crop-left", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
- var_Create( p_vout, "crop-top", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
- var_Create( p_vout, "crop-right", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
- var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
- var_AddCallback( p_vout, "crop-left", CropCallback, NULL );
- var_AddCallback( p_vout, "crop-top", CropCallback, NULL );
- var_AddCallback( p_vout, "crop-right", CropCallback, NULL );
- var_AddCallback( p_vout, "crop-bottom", CropCallback, NULL );
- /* Crop object var */
- 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 = (char*)"";
- var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
- for( i = 0; p_crop_values[i].psz_value; i++ )
- {
- val.psz_string = (char*)p_crop_values[i].psz_value;
- text.psz_string = _( p_crop_values[i].psz_label );
- 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 );
- free( psz_buf );
- var_AddCallback( p_vout, "crop", CropCallback, NULL );
- var_Get( p_vout, "crop", &old_val );
- if( old_val.psz_string && *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 );
- var_Get( p_vout, "monitor-par", &val );
- if( val.psz_string && *val.psz_string )
- {
- char *psz_parser = strchr( val.psz_string, ':' );
- unsigned int i_aspect_num = 0, i_aspect_den = 0;
- float i_aspect = 0;
- if( psz_parser )
- {
- i_aspect_num = strtol( val.psz_string, 0, 10 );
- i_aspect_den = strtol( ++psz_parser, 0, 10 );
- }
- else
- {
- i_aspect = us_atof( val.psz_string );
- vlc_ureduce( &i_aspect_num, &i_aspect_den,
- i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
- }
- if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
- p_vout->p->i_par_num = i_aspect_num;
- p_vout->p->i_par_den = i_aspect_den;
- 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->p->i_par_num, p_vout->p->i_par_den );
- b_force_par = true;
- }
- free( val.psz_string );
- /* Aspect-ratio object var */
- var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
- VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
- text.psz_string = _("Aspect-ratio");
- var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
- val.psz_string = (char*)"";
- var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
- for( i = 0; p_aspect_ratio_values[i].psz_value; i++ )
- {
- val.psz_string = (char*)p_aspect_ratio_values[i].psz_value;
- text.psz_string = _( p_aspect_ratio_values[i].psz_label );
- var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
- }
- /* Add custom aspect ratios */
- psz_buf = config_GetPsz( p_vout, "custom-aspect-ratios" );
- AddCustomRatios( p_vout, "aspect-ratio", psz_buf );
- free( psz_buf );
- 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_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,
- &p_vout->i_window_height );
- /* 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
- | VLC_VAR_ISCOMMAND );
- 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 */
- if( var_CreateGetBoolCommand( p_vout, "fullscreen" ) )
- {
- /* user requested fullscreen */
- p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
- }
- text.psz_string = _("Fullscreen");
- var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
- 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_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_BOOL );
- var_Create( p_vout, "intf-change", VLC_VAR_BOOL );
- 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, picture_t *p_pic )
- {
- video_format_t fmt_in = p_pic->format;
- 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');
- /* */
- image_handler_t *p_image = image_HandlerCreate( p_vout );
- if( !p_image )
- return VLC_EGENERIC;
- p_pip = image_Convert( p_image, p_pic, &fmt_in, &fmt_out );
- image_HandlerDelete( p_image );
- if( !p_pip )
- return VLC_EGENERIC;
- p_subpic = subpicture_New();
- if( !p_subpic )
- {
- 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;
- }
- /**
- * This function will save a video snapshot to a file
- */
- static int VoutWriteSnapshot( vout_thread_t *p_vout, char **ppsz_filename,
- const block_t *p_image,
- const char *psz_path,
- const char *psz_format,
- const char *psz_prefix_fmt )
- {
- /* */
- char *psz_filename;
- DIR *p_path = utf8_opendir( psz_path );
- if( p_path != NULL )
- {
- /* The use specified a directory path */
- closedir( p_path );
- /* */
- char *psz_prefix = NULL;
- if( psz_prefix_fmt )
- psz_prefix = str_format( p_vout, psz_prefix_fmt );
- if( !psz_prefix )
- {
- psz_prefix = strdup( "vlcsnap-" );
- if( !psz_prefix )
- goto error;
- }
- if( var_GetBool( p_vout, "snapshot-sequential" ) )
- {
- int i_num = var_GetInteger( p_vout, "snapshot-num" );
- for( ; ; i_num++ )
- {
- struct stat st;
- if( asprintf( &psz_filename, "%s" DIR_SEP "%s%05d.%s",
- psz_path, psz_prefix, i_num++, psz_format ) < 0 )
- {
- free( psz_prefix );
- goto error;
- }
- if( utf8_stat( psz_filename, &st ) )
- break;
- free( psz_filename );
- }
- var_SetInteger( p_vout, "snapshot-num", i_num );
- }
- else
- {
- struct tm curtime;
- time_t lcurtime = time( NULL ) ;
- if( !localtime_r( &lcurtime, &curtime ) )
- {
- const unsigned int i_id = (p_image->i_pts / 100000) & 0xFFFFFF;
- msg_Warn( p_vout, "failed to get current time. Falling back to legacy snapshot naming" );
- if( asprintf( &psz_filename, "%s" DIR_SEP "%s%u.%s",
- psz_path, psz_prefix, i_id, psz_format ) < 0 )
- psz_filename = NULL;
- }
- else
- {
- /* suffix with the last decimal digit in 10s of seconds resolution
- * FIXME gni ? */
- const int i_id = (p_image->i_pts / (100*1000)) & 0xFF;
- char psz_curtime[128];
- if( !strftime( psz_curtime, sizeof(psz_curtime), "%Y-%m-%d-%Hh%Mm%Ss", &curtime ) )
- strcpy( psz_curtime, "error" );
- if( asprintf( &psz_filename, "%s" DIR_SEP "%s%s%1u.%s",
- psz_path, psz_prefix, psz_curtime, i_id, psz_format ) < 0 )
- psz_filename = NULL;
- }
- }
- free( psz_prefix );
- }
- else
- {
- /* The user specified a full path name (including file name) */
- psz_filename = str_format( p_vout, psz_path );
- path_sanitize( psz_filename );
- }
- if( !psz_filename )
- goto error;
- /* Save the snapshot */
- FILE *p_file = utf8_fopen( psz_filename, "wb" );
- if( !p_file )
- {
- msg_Err( p_vout, "Failed to open '%s'", psz_filename );
- free( psz_filename );
- goto error;
- }
- if( fwrite( p_image->p_buffer, p_image->i_buffer, 1, p_file ) != 1 )
- {
- msg_Err( p_vout, "Failed to write to '%s'", psz_filename );
- fclose( p_file );
- free( psz_filename );
- goto error;
- }
- fclose( p_file );
- /* */
- if( ppsz_filename )
- *ppsz_filename = psz_filename;
- else
- free( psz_filename );
- return VLC_SUCCESS;
- error:
- msg_Err( p_vout, "could not save snapshot" );
- return VLC_EGENERIC;
- }
- /**
- * This function will display the name and a PIP of the provided snapshot
- */
- static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
- {
- msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
- vout_OSDMessage( VLC_OBJECT( p_vout ), DEFAULT_CHAN, "%s", psz_filename );
- if( var_GetBool( p_vout, "snapshot-preview" ) )
- {
- if( VoutSnapshotPip( p_vout, p_pic ) )
- msg_Warn( p_vout, "Failed to display snapshot" );
- }
- }
- /* */
- int vout_GetSnapshot( vout_thread_t *p_vout,
- block_t **pp_image, picture_t **pp_picture,
- video_format_t *p_fmt,
- const char *psz_format, mtime_t i_timeout )
- {
- vout_thread_sys_t *p_sys = p_vout->p;
- vlc_mutex_lock( &p_sys->snapshot.lock );
- p_sys->snapshot.i_request++;
- const mtime_t i_deadline = mdate() + i_timeout;
- while( p_sys->snapshot.b_available && !p_sys->snapshot.p_picture &&
- mdate() < i_deadline )
- {
- vlc_cond_timedwait( &p_sys->snapshot.wait, &p_sys->snapshot.lock,
- i_deadline );
- }
- picture_t *p_picture = p_sys->snapshot.p_picture;
- if( p_picture )
- p_sys->snapshot.p_picture = p_picture->p_next;
- else if( p_sys->snapshot.i_request > 0 )
- p_sys->snapshot.i_request--;
- vlc_mutex_unlock( &p_sys->snapshot.lock );
- if( !p_picture )
- {
- msg_Err( p_vout, "Failed to grab a snapshot" );
- return VLC_EGENERIC;
- }
- if( pp_image )
- {
- vlc_fourcc_t i_format = VLC_FOURCC('p','n','g',' ');
- if( psz_format && image_Type2Fourcc( psz_format ) )
- i_format = image_Type2Fourcc( psz_format );
- const int i_override_width = var_GetInteger( p_vout, "snapshot-width" );
- const int i_override_height = var_GetInteger( p_vout, "snapshot-height" );
- if( picture_Export( VLC_OBJECT(p_vout), pp_image, p_fmt,
- p_picture, i_format, i_override_width, i_override_height ) )
- {
- msg_Err( p_vout, "Failed to convert image for snapshot" );
- picture_Release( p_picture );
- return VLC_EGENERIC;
- }
- }
- if( pp_picture )
- *pp_picture = p_picture;
- else
- picture_Release( p_picture );
- return VLC_SUCCESS;
- }
- /**
- * This function will handle a snapshot request
- */
- static void VoutSaveSnapshot( vout_thread_t *p_vout )
- {
- char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
- char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
- char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
- /* */
- picture_t *p_picture;
- block_t *p_image;
- video_format_t fmt;
- /* 500ms timeout
- * XXX it will cause trouble with low fps video (< 2fps) */
- if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
- {
- p_picture = NULL;
- p_image = NULL;
- goto exit;
- }
- if( !psz_path )
- {
- psz_path = VoutSnapshotGetDefaultDirectory();
- if( !psz_path )
- {
- msg_Err( p_vout, "no path specified for snapshots" );
- goto exit;
- }
- }
- char *psz_filename;
- if( VoutWriteSnapshot( p_vout, &psz_filename,
- p_image,
- psz_path, psz_format, psz_prefix ) )
- goto exit;
- VoutOsdSnapshot( p_vout, p_picture, psz_filename );
- /* 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 */
- var_SetString( p_vout->p_libvlc, "vout-snapshottaken", psz_filename );
- free( psz_filename );
- exit:
- if( p_image )
- block_Release( p_image );
- if( p_picture )
- picture_Release( p_picture );
- free( psz_prefix );
- free( psz_format );
- free( psz_path );
- }
- /*****************************************************************************
- * Handle filters
- *****************************************************************************/
- void vout_EnableFilter( vout_thread_t *p_vout, char *psz_name,
- bool b_add, bool b_setconfig )
- {
- char *psz_parser;
- char *psz_string = config_GetPsz( p_vout, "vout-filter" );
- /* Todo : Use some generic chain manipulation functions */
- if( !psz_string ) psz_string = strdup("");
- psz_parser = strstr( psz_string, psz_name );
- if( b_add )
- {
- if( !psz_parser )
- {
- psz_parser = psz_string;
- if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
- psz_string, psz_name ) == -1 )
- {
- free( psz_parser );
- return;
- }
- free( psz_parser );
- }
- else
- return;
- }
- else
- {
- if( psz_parser )
- {
- memmove( psz_parser, psz_parser + strlen(psz_name) +
- (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
- strlen(psz_parser + strlen(psz_name)) + 1 );
- /* Remove trailing : : */
- if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
- {
- *(psz_string+strlen(psz_string ) -1 ) = ' ';
- }
- }
- else
- {
- free( psz_string );
- return;
- }
- }
- if( b_setconfig )
- config_PutPsz( p_vout, "vout-filter", psz_string );
- var_SetString( p_vout, "vout-filter", psz_string );
- free( psz_string );
- }
- /*****************************************************************************
- * InitWindowSize: find the initial dimensions the video window should have.
- *****************************************************************************
- * This function will check the "width", "height" and "zoom" config options and
- * will calculate the size that the video window should have.
- *****************************************************************************/
- static void InitWindowSize( vout_thread_t *p_vout, unsigned *pi_width,
- unsigned *pi_height )
- {
- #define FP_FACTOR 1000 /* our fixed point factor */
- int i_width = var_GetInteger( p_vout, "width" );
- int i_height = var_GetInteger( p_vout, "height" );
- float f_zoom = var_GetFloat( p_vout, "zoom" );
- uint64_t ll_zoom = (uint64_t)( FP_FACTOR * f_zoom );
- if( i_width > 0 && i_height > 0)
- {
- *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
- *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
- }
- else if( i_width > 0 )
- {
- *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
- *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
- p_vout->fmt_in.i_sar_den * i_width / p_vout->fmt_in.i_sar_num /
- FP_FACTOR / p_vout->fmt_in.i_visible_width );
- }
- else if( i_height > 0 )
- {
- *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
- *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
- p_vout->fmt_in.i_sar_num * i_height / p_vout->fmt_in.i_sar_den /
- FP_FACTOR / p_vout->fmt_in.i_visible_height );
- }
- else if( p_vout->fmt_in.i_sar_num == 0 || p_vout->fmt_in.i_sar_den == 0 )
- {
- msg_Warn( p_vout, "aspect ratio screwed up" );
- *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom / FP_FACTOR );
- *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom /FP_FACTOR);
- }
- else if( p_vout->fmt_in.i_sar_num >= p_vout->fmt_in.i_sar_den )
- {
- *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
- p_vout->fmt_in.i_sar_num / p_vout->fmt_in.i_sar_den / FP_FACTOR );
- *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom
- / FP_FACTOR );
- }
- else
- {
- *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom
- / FP_FACTOR );
- *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
- p_vout->fmt_in.i_sar_den / p_vout->fmt_in.i_sar_num / FP_FACTOR );
- }
- msg_Dbg( p_vout, "window size: %ux%u", *pi_width, *pi_height );
- #undef FP_FACTOR
- }
- /*****************************************************************************
- * Object variables callbacks
- *****************************************************************************/
- static int ZoomCallback( 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)psz_cmd; (void)oldval; (void)newval; (void)p_data;
- InitWindowSize( p_vout, &p_vout->i_window_width,
- &p_vout->i_window_height );
- vout_Control( p_vout, VOUT_SET_SIZE, p_vout->i_window_width,
- p_vout->i_window_height );
- 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;
- (void)oldval; (void)p_data;
- /* 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( !strcmp( psz_cmd, "crop" ) )
- {
- char *psz_end = NULL, *psz_parser = strchr( newval.psz_string, ':' );
- if( psz_parser )
- {
- /* We're using the 3:4 syntax */
- i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
- if( psz_end == newval.psz_string || !i_aspect_num ) goto crop_end;
- i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
- if( psz_end == psz_parser || !i_aspect_den ) 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;
- }
- }
- else
- {
- psz_parser = strchr( newval.psz_string, 'x' );
- if( psz_parser )
- {
- /* Maybe we're using the <width>x<height>+<left>+<top> syntax */
- unsigned int i_crop_width, i_crop_height, i_crop_top, i_crop_left;
- i_crop_width = strtol( newval.psz_string, &psz_end, 10 );
- if( psz_end != psz_parser ) goto crop_end;
- psz_parser = strchr( ++psz_end, '+' );
- i_crop_height = strtol( psz_end, &psz_end, 10 );
- if( psz_end != psz_parser ) goto crop_end;
- psz_parser = strchr( ++psz_end, '+' );
- i_crop_left = strtol( psz_end, &psz_end, 10 );
- if( psz_end != psz_parser ) goto crop_end;
- psz_end++;
- i_crop_top = strtol( psz_end, &psz_end, 10 );
- if( *psz_end != ' ' ) goto crop_end;
- if( i_crop_top + i_crop_height >= p_vout->fmt_render.i_visible_height ||
- i_crop_left + i_crop_width >= p_vout->fmt_render.i_visible_width )
- {
- msg_Err( p_vout, "Unable to crop over picture boundaries");
- return VLC_EGENERIC;
- }
- i_width = i_crop_width;
- p_vout->fmt_in.i_visible_width = i_width;
- i_height = i_crop_height;
- p_vout->fmt_in.i_visible_height = i_height;
- p_vout->fmt_in.i_x_offset = i_crop_left;
- p_vout->fmt_in.i_y_offset = i_crop_top;
- }
- else
- {
- /* Maybe we're using the <left>+<top>+<right>+<bottom> syntax */
- unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
- psz_parser = strchr( newval.psz_string, '+' );
- i_crop_left = strtol( newval.psz_string, &psz_end, 10 );
- if( psz_end != psz_parser ) goto crop_end;
- psz_parser = strchr( ++psz_end, '+' );
- i_crop_top = strtol( psz_end, &psz_end, 10 );
- if( psz_end != psz_parser ) goto crop_end;
- psz_parser = strchr( ++psz_end, '+' );
- i_crop_right = strtol( psz_end, &psz_end, 10 );
- if( psz_end != psz_parser ) goto crop_end;
- psz_end++;
- i_crop_bottom = strtol( psz_end, &psz_end, 10 );
- if( *psz_end != ' ' ) goto crop_end;
- if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
- i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
- {
- msg_Err( p_vout, "Unable to crop over picture boundaries" );
- return VLC_EGENERIC;
- }
- i_width = p_vout->fmt_render.i_visible_width
- - i_crop_left - i_crop_right;
- p_vout->fmt_in.i_visible_width = i_width;
- i_height = p_vout->fmt_render.i_visible_height
- - i_crop_top - i_crop_bottom;
- p_vout->fmt_in.i_visible_height = i_height;
- p_vout->fmt_in.i_x_offset = i_crop_left;
- p_vout->fmt_in.i_y_offset = i_crop_top;
- }
- }
- }
- else if( !strcmp( psz_cmd, "crop-top" )
- || !strcmp( psz_cmd, "crop-left" )
- || !strcmp( psz_cmd, "crop-bottom" )
- || !strcmp( psz_cmd, "crop-right" ) )
- {
- unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
- i_crop_top = var_GetInteger( p_vout, "crop-top" );
- i_crop_left = var_GetInteger( p_vout, "crop-left" );
- i_crop_right = var_GetInteger( p_vout, "crop-right" );
- i_crop_bottom = var_GetInteger( p_vout, "crop-bottom" );
- if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
- i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
- {
- msg_Err( p_vout, "Unable to crop over picture boundaries" );
- return VLC_EGENERIC;
- }
- i_width = p_vout->fmt_render.i_visible_width
- - i_crop_left - i_crop_right;
- p_vout->fmt_in.i_visible_width = i_width;
- i_height = p_vout->fmt_render.i_visible_height
- - i_crop_top - i_crop_bottom;
- p_vout->fmt_in.i_visible_height = i_height;
- p_vout->fmt_in.i_x_offset = i_crop_left;
- p_vout->fmt_in.i_y_offset = i_crop_top;
- }
- crop_end:
- InitWindowSize( p_vout, &p_vout->i_window_width,
- &p_vout->i_window_height );
- p_vout->i_changes |= VOUT_CROP_CHANGE;
- 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 );
- var_SetVoid( p_vout, "crop-update" );
- return VLC_SUCCESS;
- }
- static int AspectCallback( 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;
- unsigned int i_aspect_num, i_aspect_den, i_sar_num, i_sar_den;
- vlc_value_t val;
- char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
- (void)psz_cmd; (void)oldval; (void)p_data;
- /* Restore defaults */
- p_vout->fmt_in.i_sar_num = p_vout->fmt_render.i_sar_num;
- p_vout->fmt_in.i_sar_den = p_vout->fmt_render.i_sar_den;
- p_vout->fmt_in.i_aspect = p_vout->fmt_render.i_aspect;
- p_vout->render.i_aspect = p_vout->fmt_render.i_aspect;
- if( !psz_parser ) goto aspect_end;
- i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
- if( psz_end == newval.psz_string || !i_aspect_num ) goto aspect_end;
- i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
- if( psz_end == psz_parser || !i_aspect_den ) goto aspect_end;
- i_sar_num = i_aspect_num * p_vout->fmt_render.i_visible_height;
- i_sar_den = i_aspect_den * p_vout->fmt_render.i_visible_width;
- vlc_ureduce( &i_sar_num, &i_sar_den, i_sar_num, i_sar_den, 0 );
- p_vout->fmt_in.i_sar_num = i_sar_num;
- p_vout->fmt_in.i_sar_den = i_sar_den;
- p_vout->fmt_in.i_aspect = i_aspect_num * VOUT_ASPECT_FACTOR / i_aspect_den;
- p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
- aspect_end:
- if( p_vout->p->i_par_num && p_vout->p->i_par_den )
- {
- 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->p->i_par_den / p_vout->p->i_par_num;
- p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
- }
- p_vout->i_changes |= VOUT_ASPECT_CHANGE;
- vlc_ureduce( &i_aspect_num, &i_aspect_den,
- p_vout->fmt_in.i_aspect, VOUT_ASPECT_FACTOR, 0 );
- msg_Dbg( p_vout, "new aspect-ratio %i:%i, sample aspect-ratio %i:%i",
- i_aspect_num, i_aspect_den,
- p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
- 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;
- vlc_mutex_lock( &p_vout->change_lock );
- p_vout->i_changes |= VOUT_ON_TOP_CHANGE;
- p_vout->b_on_top = newval.b_bool;
- vlc_mutex_unlock( &p_vout->change_lock );
- /* 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 );
- (void)psz_cmd; (void)oldval; (void)p_data;
- return VLC_SUCCESS;
- }
- static int FullscreenCallback( 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;
- vlc_value_t val;
- (void)psz_cmd; (void)oldval; (void)p_data;
- p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
- /* 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 = true;
- 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;
- VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
- VLC_UNUSED(newval); VLC_UNUSED(p_data);
- VoutSaveSnapshot( p_vout );
- return VLC_SUCCESS;
- }
- 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->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->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->p->i_title_position = newval.i_int;
- return VLC_SUCCESS;
- }