# include "config.h"
#endif
-#include <vlc/vlc.h>
+#include <limits.h> /* INT_MAX */
+
+#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_vout.h>
#include "vlc_filter.h"
+#include "filter_picture.h"
/****************************************************************************
* Local prototypes
static picture_t *Filter( filter_t *, picture_t * );
+#define CROPTOP_TEXT N_( "Pixels to crop from top" )
+#define CROPTOP_LONGTEXT N_( \
+ "Number of pixels to crop from the top of the image." )
+#define CROPBOTTOM_TEXT N_( "Pixels to crop from bottom" )
+#define CROPBOTTOM_LONGTEXT N_( \
+ "Number of pixels to crop from the bottom of the image." )
+#define CROPLEFT_TEXT N_( "Pixels to crop from left" )
+#define CROPLEFT_LONGTEXT N_( \
+ "Number of pixels to crop from the left of the image." )
+#define CROPRIGHT_TEXT N_( "Pixels to crop from right" )
+#define CROPRIGHT_LONGTEXT N_( \
+ "Number of pixels to crop from the right of the image." )
+
+#define PADDTOP_TEXT N_( "Pixels to padd to top" )
+#define PADDTOP_LONGTEXT N_( \
+ "Number of pixels to padd to the top of the image after cropping." )
+#define PADDBOTTOM_TEXT N_( "Pixels to padd to bottom" )
+#define PADDBOTTOM_LONGTEXT N_( \
+ "Number of pixels to padd to the bottom of the image after cropping." )
+#define PADDLEFT_TEXT N_( "Pixels to padd to left" )
+#define PADDLEFT_LONGTEXT N_( \
+ "Number of pixels to padd to the left of the image after cropping." )
+#define PADDRIGHT_TEXT N_( "Pixels to padd to right" )
+#define PADDRIGHT_LONGTEXT N_( \
+ "Number of pixels to padd to the right of the image after cropping." )
+
+#define CFG_PREFIX "croppadd-"
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-vlc_module_begin();
- set_description( _("Video scaling filter") );
- set_capability( "video filter2", 0 );
- set_callbacks( OpenFilter, CloseFilter );
-vlc_module_end();
+vlc_module_begin ()
+ set_description( N_("Video scaling filter") )
+ set_capability( "video filter2", 0 )
+ set_callbacks( OpenFilter, CloseFilter )
+
+ set_section( N_("Crop"), NULL )
+ add_integer_with_range( CFG_PREFIX "croptop", 0, 0, INT_MAX, NULL,
+ CROPTOP_TEXT, CROPTOP_LONGTEXT, false )
+ add_integer_with_range( CFG_PREFIX "cropbottom", 0, 0, INT_MAX, NULL,
+ CROPBOTTOM_TEXT, CROPBOTTOM_LONGTEXT, false )
+ add_integer_with_range( CFG_PREFIX "cropleft", 0, 0, INT_MAX, NULL,
+ CROPLEFT_TEXT, CROPLEFT_LONGTEXT, false )
+ add_integer_with_range( CFG_PREFIX "cropright", 0, 0, INT_MAX, NULL,
+ CROPRIGHT_TEXT, CROPRIGHT_LONGTEXT, false )
+
+ set_section( N_("Padd"), NULL )
+ add_integer_with_range( CFG_PREFIX "paddtop", 0, 0, INT_MAX, NULL,
+ PADDTOP_TEXT, PADDTOP_LONGTEXT, false )
+ add_integer_with_range( CFG_PREFIX "paddbottom", 0, 0, INT_MAX, NULL,
+ PADDBOTTOM_TEXT, PADDBOTTOM_LONGTEXT, false )
+ add_integer_with_range( CFG_PREFIX "paddleft", 0, 0, INT_MAX, NULL,
+ PADDLEFT_TEXT, PADDLEFT_LONGTEXT, false )
+ add_integer_with_range( CFG_PREFIX "paddright", 0, 0, INT_MAX, NULL,
+ PADDRIGHT_TEXT, PADDRIGHT_LONGTEXT, false )
+vlc_module_end ()
+
+static const char *const ppsz_filter_options[] = {
+ "croptop", "cropbottom", "cropleft", "cropright",
+ "paddtop", "paddbottom", "paddleft", "paddright",
+ NULL
+};
+
+struct filter_sys_t
+{
+ int i_croptop;
+ int i_cropbottom;
+ int i_cropleft;
+ int i_cropright;
+ int i_paddtop;
+ int i_paddbottom;
+ int i_paddleft;
+ int i_paddright;
+};
/*****************************************************************************
* OpenFilter: probe the filter and return score
static int OpenFilter( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t*)p_this;
+ filter_sys_t *p_sys;
+
+ if( !p_filter->b_allow_fmt_out_change )
+ {
+ msg_Err( p_filter, "Picture format change isn't allowed" );
+ return VLC_EGENERIC;
+ }
if( p_filter->fmt_in.video.i_chroma != p_filter->fmt_out.video.i_chroma )
{
+ msg_Err( p_filter, "Input and output chromas don't match" );
+ /* In fact we don't really care about this since we're allowed
+ * to change the output format ... FIXME? */
return VLC_EGENERIC;
}
+ p_filter->p_sys = (filter_sys_t *)malloc( sizeof( filter_sys_t ) );
+ if( !p_filter->p_sys ) return VLC_ENOMEM;
+
+ config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
+ p_filter->p_cfg );
+
+ p_sys = p_filter->p_sys;
+#define GET_OPTION( name ) \
+ p_sys->i_ ## name = var_CreateGetInteger( p_filter, CFG_PREFIX #name ); \
+ if( p_sys->i_ ## name & 1 ) \
+ msg_Warn( p_filter, "Using even values for `" #name "' is recommended" );
+ GET_OPTION( croptop )
+ GET_OPTION( cropbottom )
+ GET_OPTION( cropleft )
+ GET_OPTION( cropright )
+ GET_OPTION( paddtop )
+ GET_OPTION( paddbottom )
+ GET_OPTION( paddleft )
+ GET_OPTION( paddright )
+
+ p_filter->fmt_out.video.i_height =
+ p_filter->fmt_out.video.i_visible_height =
+ p_filter->fmt_in.video.i_visible_height
+ - p_sys->i_croptop - p_sys->i_cropbottom
+ + p_sys->i_paddtop + p_sys->i_paddbottom;
+
+ p_filter->fmt_out.video.i_width =
+ p_filter->fmt_out.video.i_visible_width =
+ p_filter->fmt_in.video.i_visible_width
+ - p_sys->i_cropleft - p_sys->i_cropright
+ + p_sys->i_paddleft + p_sys->i_paddright;
+
p_filter->pf_video_filter = Filter;
- msg_Dbg( p_filter, "%ix%i + %ix%i -> %ix%i + %ix%i",
- p_filter->fmt_in.video.i_visible_width,
- p_filter->fmt_in.video.i_visible_height,
- p_filter->fmt_in.video.i_x_offset,
- p_filter->fmt_in.video.i_y_offset,
- p_filter->fmt_out.video.i_visible_width,
- p_filter->fmt_out.video.i_visible_height,
- p_filter->fmt_out.video.i_x_offset,
- p_filter->fmt_out.video.i_y_offset );
+ msg_Dbg( p_filter, "Crop: Top: %d, Bottom: %d, Left: %d, Right: %d",
+ p_sys->i_croptop, p_sys->i_cropbottom, p_sys->i_cropleft,
+ p_sys->i_cropright );
+ msg_Dbg( p_filter, "Padd: Top: %d, Bottom: %d, Left: %d, Right: %d",
+ p_sys->i_paddtop, p_sys->i_paddbottom, p_sys->i_paddleft,
+ p_sys->i_paddright );
+ msg_Dbg( p_filter, "%dx%d -> %dx%d",
+ p_filter->fmt_in.video.i_width,
+ p_filter->fmt_in.video.i_height,
+ p_filter->fmt_out.video.i_width,
+ p_filter->fmt_out.video.i_height );
return VLC_SUCCESS;
}
*****************************************************************************/
static void CloseFilter( vlc_object_t *p_this )
{
- VLC_UNUSED(p_this);
+ filter_t *p_filter = (filter_t *)p_this;
+ free( p_filter->p_sys );
}
/****************************************************************************
****************************************************************************/
static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
{
+ filter_sys_t *p_sys = p_filter->p_sys;
picture_t *p_outpic;
int i_plane;
int i_width, i_height, i_xcrop, i_ycrop,
if( !p_pic ) return NULL;
/* Request output picture */
- p_outpic = p_filter->pf_vout_buffer_new( p_filter );
+ p_outpic = filter_NewPicture( p_filter );
if( !p_outpic )
{
- msg_Warn( p_filter, "can't get output picture" );
- if( p_pic->pf_release )
- p_pic->pf_release( p_pic );
+ picture_Release( p_pic );
return NULL;
}
/* These assignments assume that the first plane always has
* a width and height equal to the picture's */
- i_width = ( p_filter->fmt_in.video.i_visible_width
+ i_width = ( ( p_filter->fmt_in.video.i_visible_width
+ - p_sys->i_cropleft - p_sys->i_cropright )
* p_plane->i_visible_pitch )
/ p_pic->p->i_visible_pitch;
- i_height = ( p_filter->fmt_in.video.i_visible_height
+ i_height = ( ( p_filter->fmt_in.video.i_visible_height
+ - p_sys->i_croptop - p_sys->i_cropbottom )
* p_plane->i_visible_lines )
/ p_pic->p->i_visible_lines;
- i_xcrop = ( p_filter->fmt_in.video.i_x_offset
- * p_plane->i_visible_pitch)
+ i_xcrop = ( p_sys->i_cropleft * p_plane->i_visible_pitch)
/ p_pic->p->i_visible_pitch;
- i_ycrop = ( p_filter->fmt_in.video.i_y_offset
- * p_plane->i_visible_lines)
+ i_ycrop = ( p_sys->i_croptop * p_plane->i_visible_lines)
/ p_pic->p->i_visible_lines;
i_outwidth = ( p_filter->fmt_out.video.i_visible_width
* p_outplane->i_visible_pitch )
i_outheight = ( p_filter->fmt_out.video.i_visible_height
* p_outplane->i_visible_lines )
/ p_outpic->p->i_visible_lines;
- i_xpadd = ( p_filter->fmt_out.video.i_x_offset
- * p_outplane->i_visible_pitch )
+ i_xpadd = ( p_sys->i_paddleft * p_outplane->i_visible_pitch )
/ p_outpic->p->i_visible_pitch;
- i_ypadd = ( p_filter->fmt_out.video.i_y_offset
- * p_outplane->i_visible_lines )
+ i_ypadd = ( p_sys->i_paddtop * p_outplane->i_visible_lines )
/ p_outpic->p->i_visible_lines;
/* Crop the top */
/* Padd on the right */
vlc_memset( p_out, i_padd_color,
- ( i_outwidth - i_width ) * i_pixel_pitch );
+ ( i_outwidth - i_xpadd - i_width ) * i_pixel_pitch );
/* Got to begining of the next line */
p_in = p_in_next;
( i_outheight - i_ypadd - i_height ) * p_outplane->i_pitch );
}
- p_outpic->date = p_pic->date;
- p_outpic->b_force = p_pic->b_force;
- p_outpic->i_nb_fields = p_pic->i_nb_fields;
- p_outpic->b_progressive = p_pic->b_progressive;
- p_outpic->b_top_field_first = p_pic->b_top_field_first;
-
- p_pic->pf_release( p_pic );
-
- return p_outpic;
+ return CopyInfoAndRelease( p_outpic, p_pic );
}
projects / vlc / blobdiff