/*****************************************************************************
* 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 <dirent.h> /* opendir() */
#include <assert.h>
#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"
/*****************************************************************************
* 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 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 * );
/*****************************************************************************
* 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,
int *pi_x_hint, int *pi_y_hint,
unsigned int *pi_width_hint,
unsigned int *pi_height_hint )
{
/* 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" );
*pi_width_hint = p_vout->i_window_width;
*pi_height_hint = p_vout->i_window_height;
/* Check whether someone provided us with a window ID */
int drawable = var_CreateGetInteger( p_vout, "drawable" );
if( drawable ) return (void *)(intptr_t)drawable;
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, "vout window", 0, 0);
if (wnd->module == NULL)
{
msg_Dbg (wnd, "no window provider available");
vlc_object_release (wnd);
return NULL;
}
p_vout->p_window = wnd;
*pi_width_hint = wnd->width;
*pi_height_hint = wnd->height;
*pi_x_hint = wnd->pos_x;
*pi_y_hint = wnd->pos_y;
return wnd->handle;
}
void vout_ReleaseWindow( vout_thread_t *p_vout, void *dummy )
{
vout_window_t *wnd = p_vout->p_window;
if (wnd == NULL)
return;
p_vout->p_window = NULL;
assert (wnd->module);
module_Unneed (wnd, wnd->module);
vlc_object_release (wnd);
(void)dummy;
}
int vout_ControlWindow( vout_thread_t *p_vout, void *dummy,
int i_query, va_list args )
{
(void)dummy;
vout_window_t *wnd = p_vout->p_window;
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 = '\0';
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->b_title_show = var_CreateGetBool( p_vout, "video-title-show" );
p_vout->i_title_timeout =
(mtime_t)var_CreateGetInteger( p_vout, "video-title-timeout" );
p_vout->i_title_position =
var_CreateGetInteger( p_vout, "video-title-position" );
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_Change( p_vout, "crop", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
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 = 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->i_par_num = i_aspect_num;
p_vout->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 );
msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
p_vout->i_par_num, p_vout->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_Change( p_vout, "aspect-ratio", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
free( old_val.psz_string );
/* 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_INTEGER );
var_Create( p_vout, "intf-change", VLC_VAR_BOOL );
var_SetBool( p_vout, "intf-change", true );
}
/*****************************************************************************
* 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, fmt_out;
char *psz_filename = NULL;
subpicture_t *p_subpic;
picture_t *p_pif;
vlc_value_t val, format;
DIR *path;
int i_ret;
memset( &fmt_in, 0, sizeof(video_format_t) );
memset( &fmt_out, 0, sizeof(video_format_t) );
var_Get( p_vout, "snapshot-path", &val );
if( val.psz_string && !*val.psz_string )
{
free( val.psz_string );
val.psz_string = 0;
}
/* Embedded snapshot : if snapshot-path == object:object-id, then
create a snapshot_t* and store it in
object(object-id)->p_private, then unlock and signal the
waiting object.
*/
if( val.psz_string && !strncmp( val.psz_string, "object:", 7 ) )
{
int i_id;
vlc_object_t* p_dest;
block_t *p_block;
snapshot_t *p_snapshot;
int i_size;
/* Destination object-id is following object: */
i_id = atoi( &val.psz_string[7] );
p_dest = ( vlc_object_t* )vlc_object_get( 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;
/* 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_chroma = VLC_FOURCC( 'p','n','g',' ' );
fmt_out.i_width = var_GetInteger( p_vout, "snapshot-width" );
fmt_out.i_height = var_GetInteger( p_vout, "snapshot-height" );
/* If snapshot-width and/or snapshot height were not specified,
use a default snapshot width of 320 */
if( fmt_out.i_width == 0 && fmt_out.i_height == 0 )
{
fmt_out.i_width = 320;
}
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 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;
}
else
{
fmt_out.i_width = fmt_in.i_width;
fmt_out.i_height = fmt_in.i_height;
}
p_block = ( block_t* ) 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_object_signal( p_dest );
vlc_object_release( p_dest );
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_object_signal( p_dest );
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 );
if( !p_snapshot->p_data )
{
block_Release( p_block );
free( p_snapshot );
image_HandlerDelete( p_image );
vlc_object_signal( p_dest );
vlc_object_release( p_dest );
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_object_signal( p_dest );
vlc_object_release( p_dest );
image_HandlerDelete( p_image );
return VLC_SUCCESS;
}
#if defined(__APPLE__) || defined(SYS_BEOS)
if( !val.psz_string )
{
if( asprintf( &val.psz_string, "%s/Desktop",
config_GetHomeDir() ) == -1 )
val.psz_string = NULL;
}
#elif defined(WIN32) && !defined(UNDER_CE)
if( !val.psz_string )
{
/* 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 )
val.psz_string = strdup( config_GetHomeDir() );
else
val.psz_string = 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( !val.psz_string && psz_datadir )
{
if( asprintf( &val.psz_string, "%s", psz_datadir ) == -1 )
val.psz_string = NULL;
}
free( psz_datadir );
#endif
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 )
{
free( format.psz_string );
format.psz_string = strdup( "png" );
}
/*
* Did the user specify a directory? If not, path = NULL.
*/
path = utf8_opendir ( (const char *)val.psz_string );
if( path != NULL )
{
char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
if( psz_prefix == NULL )
psz_prefix = strdup( "vlcsnap-" );
else
{
char *psz_tmp = str_format( p_vout, psz_prefix );
filename_sanitize( psz_tmp );
free( psz_prefix );
psz_prefix = psz_tmp;
}
closedir( path );
if( var_GetBool( p_vout, "snapshot-sequential" ) == true )
{
int i_num = var_GetInteger( p_vout, "snapshot-num" );
FILE *p_file;
do
{
if( asprintf( &psz_filename, "%s" DIR_SEP "%s%05d.%s",
val.psz_string, psz_prefix, i_num++,
format.psz_string ) == -1 )
{
msg_Err( p_vout, "could not create snapshot" );
image_HandlerDelete( p_image );
return VLC_EGENERIC;
}
}
while( ( p_file = utf8_fopen( psz_filename, "r" ) ) && !fclose( p_file ) );
var_SetInteger( p_vout, "snapshot-num", i_num );
}
else
{
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;
}
}
free( psz_prefix );
}
else // The user specified a full path name (including file name)
{
psz_filename = str_format( p_vout, val.psz_string );
path_sanitize( psz_filename );
}
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" );
fmt_in = p_vout->fmt_in;
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 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;
}
else
{
fmt_out.i_width = fmt_in.i_width;
fmt_out.i_height = fmt_in.i_height;
}
/* Save the snapshot */
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 );
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;
}
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 = 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 );
}
else
{
image_HandlerDelete( p_image );
}
return VLC_SUCCESS;
}
/*****************************************************************************
* 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 ) = '\0';
}
}
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 );
}
/*****************************************************************************
* vout_ControlDefault: default methods for video output control.
*****************************************************************************/
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:
vout_ReleaseWindow( p_vout, NULL );
return VLC_SUCCESS;
case VOUT_SNAPSHOT:
p_vout->b_snapshot = true;
return VLC_SUCCESS;
default:
msg_Dbg( p_vout, "control query not supported" );
}
return VLC_EGENERIC;
}
/*****************************************************************************
* 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 )
{
vlc_value_t val;
int i_width, i_height;
uint64_t ll_zoom;
#define FP_FACTOR 1000 /* our fixed point factor */
var_Get( p_vout, "width", &val );
i_width = val.i_int;
var_Get( p_vout, "height", &val );
i_height = val.i_int;
var_Get( p_vout, "zoom", &val );
ll_zoom = (uint64_t)( FP_FACTOR * val.f_float );
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 );
goto initwsize_end;
}
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 );
goto initwsize_end;
}
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 );
goto initwsize_end;
}
if( p_vout->fmt_in.i_sar_num == 0 || p_vout->fmt_in.i_sar_den == 0 ) {
msg_Warn( p_vout, "fucked up aspect" );
*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 );
}
initwsize_end:
msg_Dbg( p_vout, "window size: %dx%d", p_vout->i_window_width,
p_vout->i_window_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 != '\0' ) goto crop_end;
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 != '\0' ) goto crop_end;
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" );
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->i_par_num && p_vout->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_aspect = p_vout->fmt_in.i_aspect *
p_vout->i_par_den / p_vout->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 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;
vout_Control( p_vout, VOUT_SET_STAY_ON_TOP, newval.b_bool );
(void)psz_cmd; (void)oldval; (void)p_data;
/* 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 );
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 )
{
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;
}
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;
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;
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;
return VLC_SUCCESS;
}
