/*****************************************************************************
* 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>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
#include <vlc/vlc.h>
#include <vlc/intf.h>
+#include <vlc_block.h>
#include "vlc_video.h"
#include "video_output.h"
#include "vlc_image.h"
#include "vlc_spu.h"
+#include <snapshot.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 *,
void vout_IntfInit( vout_thread_t *p_vout )
{
vlc_value_t val, text, old_val;
+ vlc_bool_t b_force_par = VLC_FALSE;
/* 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, "aspect-ratio", 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, "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_Get( p_vout, "align", &val );
+ p_vout->i_alignment = val.i_int;
+
var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ /* Zoom object var */
var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
+ /* Crop object var */
+ var_Create( p_vout, "crop", VLC_VAR_STRING |
+ 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 = "16:09"; text.psz_string = "16:9";
+ var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
+ val.psz_string = "16:10"; text.psz_string = "16:10";
+ 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 );
+ val.psz_string = "5:4"; text.psz_string = "5:4";
+ var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
+
+ var_AddCallback( p_vout, "crop", CropCallback, NULL );
+ var_Get( p_vout, "crop", &old_val );
+ if( old_val.psz_string && *old_val.psz_string )
+ var_Change( p_vout, "crop", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
+ if( old_val.psz_string ) free( old_val.psz_string );
+
+ /* 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, 0 );
+ i_aspect_den = strtol( ++psz_parser, 0, 0 );
+ }
+ 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 = VLC_TRUE;
+ }
+ if( val.psz_string ) free( val.psz_string );
+
+ /* Aspect-ratio object var */
+ var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING |
+ 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 = "";
+ var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
+ val.psz_string = ""; text.psz_string = _("Default");
+ var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
+ val.psz_string = "001:1"; text.psz_string = "1:1";
+ var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
+ val.psz_string = "004:3"; text.psz_string = "4:3";
+ var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
+ val.psz_string = "16:09"; text.psz_string = "16:9";
+ var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
+ val.psz_string = "16:10"; text.psz_string = "16:10";
+ var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
+ val.psz_string = "221:100"; text.psz_string = "221:100";
+ var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
+ val.psz_string = "5:4"; text.psz_string = "5:4";
+ var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
+
+ var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
+ var_Get( p_vout, "aspect-ratio", &old_val );
+ if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
+ var_Change( p_vout, "aspect-ratio", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
+ if( old_val.psz_string ) free( old_val.psz_string );
+
+ /* 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 );
text.psz_string = _("Always on top");
char *psz_filename;
subpicture_t *p_subpic;
picture_t *p_pif;
- vlc_value_t val;
+ vlc_value_t val, format;
int i_ret;
var_Get( p_vout, "snapshot-path", &val );
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_current_object( i_id );
+ if( !p_dest )
+ {
+ msg_Err( p_vout, "Cannot find calling object" );
+ image_HandlerDelete( p_image );
+ return VLC_EGENERIC;
+ }
+ /* Object must be locked. We will unlock it once we get the
+ snapshot and written it to p_private */
+ p_dest->p_private = NULL;
+
+ /* Save the snapshot to a memory zone */
+ fmt_in = p_vout->fmt_in;
+ fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
+ /* FIXME: should not be hardcoded. We should be able to
+ specify the snapshot size (snapshot-width and snapshot-height). */
+ fmt_out.i_width = 320;
+ fmt_out.i_height = 200;
+ fmt_out.i_chroma = VLC_FOURCC( 'p','n','g',' ' );
+ 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_cond_signal( &p_dest->object_wait );
+ vlc_mutex_unlock( &p_dest->object_lock );
+ 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_cond_signal( &p_dest->object_wait );
+ vlc_mutex_unlock( &p_dest->object_lock );
+ 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_cond_signal( &p_dest->object_wait );
+ vlc_mutex_unlock( &p_dest->object_lock );
+ 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_cond_signal( &p_dest->object_wait );
+ vlc_mutex_unlock( &p_dest->object_lock );
+ vlc_object_release( p_dest );
+
+ image_HandlerDelete( p_image );
+ return VLC_SUCCESS;
+ }
+
+
+#if defined(__APPLE__) || 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.png", val.psz_string,
- (unsigned int)(p_pic->date / 100000) & 0xFFFFFF );
+ 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.i_chroma = p_vout->render.i_chroma;
- fmt_in.i_width = p_vout->render.i_width;
- fmt_in.i_height = p_vout->render.i_height;
+ 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_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
free( psz_filename );
- /* Inject a subpicture with the snapshot */
- fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
- fmt_out.i_width = fmt_out.i_visible_width = p_vout->render.i_width;
- fmt_out.i_height = fmt_out.i_visible_height = p_vout->render.i_height;
- fmt_out.i_aspect = VOUT_ASPECT_FACTOR;
- 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 )
+ if( var_GetBool( p_vout, "snapshot-preview" ) )
{
- p_pif->pf_release( p_pif );
- return VLC_EGENERIC;
- }
+ /* 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->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 );
+ 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 );
+ spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
+ }
+ else
+ {
+ image_HandlerDelete( p_image );
+ }
return VLC_SUCCESS;
}
}
}
+/*****************************************************************************
+ * 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 >= 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
*****************************************************************************/
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_ZOOM, newval.f_float );
+ 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;
+
+ 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 || !i_aspect_num ) goto crop_end;
+
+ i_aspect_den = strtol( ++psz_parser, &psz_end, 0 );
+ 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;
+ }
+
+ 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 );
+
+ 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, ':' );
+
+ /* 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, 0 );
+ if( psz_end == newval.psz_string || !i_aspect_num ) goto aspect_end;
+
+ i_aspect_den = strtol( ++psz_parser, &psz_end, 0 );
+ 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 );
+
+ var_Get( p_vout, "crop", &val );
+ return CropCallback( p_this, 0, val, val, 0 );
+
return VLC_SUCCESS;
}
projects / vlc / blobdiff