/*****************************************************************************
* magnify.c : Magnify/Zoom interactive effect
*****************************************************************************
- * Copyright (C) 2005 the VideoLAN team
+ * Copyright (C) 2005-2009 the VideoLAN team
* $Id$
*
* Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-
-#include <vlc/vlc.h>
-#include <vlc_vout.h>
-
#include <math.h>
+#include <assert.h>
-#include "filter_common.h"
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_image.h>
+#include <vlc_filter.h>
#include "filter_picture.h"
-#include "vlc_image.h"
-#include "vlc_input.h"
-#include "vlc_playlist.h"
-
/*****************************************************************************
- * Local prototypes
+ * Module descriptor
*****************************************************************************/
static int Create ( vlc_object_t * );
static void Destroy ( vlc_object_t * );
-static int Init ( vout_thread_t * );
-static void End ( vout_thread_t * );
-static void Render ( vout_thread_t *, picture_t * );
+vlc_module_begin ()
+ set_description( N_("Magnify/Zoom interactive video filter") )
+ set_shortname( N_( "Magnify" ))
+ set_capability( "video filter2", 0 )
+ set_category( CAT_VIDEO )
+ set_subcategory( SUBCAT_VIDEO_VFILTER )
+
+ set_callbacks( Create, Destroy )
+vlc_module_end ()
-static int SendEvents ( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
-static int MouseEvent ( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
/*****************************************************************************
- * Module descriptor
+ * Local prototypes
*****************************************************************************/
-vlc_module_begin();
- set_description( _("Magnify/Zoom interactive video filter") );
- set_shortname( _( "Magnify" ));
- set_capability( "video filter", 0 );
- set_category( CAT_VIDEO );
- set_subcategory( SUBCAT_VIDEO_VFILTER );
+static picture_t *Filter( filter_t *, picture_t * );
+static int Mouse( filter_t *, vlc_mouse_t *, const vlc_mouse_t *, const vlc_mouse_t * );
- set_callbacks( Create, Destroy );
-vlc_module_end();
+/* */
+static void DrawZoomStatus( uint8_t *, int i_pitch, int i_width, int i_height,
+ int i_offset_x, int i_offset_y, bool b_visible );
+static void DrawRectangle( uint8_t *, int i_pitch, int i_width, int i_height,
+ int x, int y, int i_w, int i_h );
-/*****************************************************************************
- * vout_sys_t: Magnify video output method descriptor
- *****************************************************************************/
-struct vout_sys_t
+/* */
+struct filter_sys_t
{
- vout_thread_t *p_vout;
-
image_handler_t *p_image;
+ int64_t i_hide_timeout;
+
int i_zoom; /* zoom level in percent */
int i_x, i_y; /* top left corner coordinates in original image */
bool b_visible; /* is "interface" visible ? */
+
+ int64_t i_last_activity;
};
-/*****************************************************************************
- * Control: control facility for the vout (forwards to child vout)
- *****************************************************************************/
-static int Control( vout_thread_t *p_vout, int i_query, va_list args )
-{
- return vout_vaControl( p_vout->p_sys->p_vout, i_query, args );
-}
+#define VIS_ZOOM 4
+#define ZOOM_FACTOR 8
/*****************************************************************************
- * Create: allocates Magnify video thread output method
+ * Create:
*****************************************************************************/
static int Create( vlc_object_t *p_this )
{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
+ filter_t *p_filter = (filter_t *)p_this;
+ filter_sys_t *p_sys;
- switch( p_vout->fmt_in.i_chroma )
+ /* */
+ switch( p_filter->fmt_in.i_codec )
{
- CASE_PLANAR_YUV
- case VLC_FOURCC('G','R','E','Y'):
- break;
- default:
- msg_Err( p_vout, "Unsupported chroma" );
- return VLC_EGENERIC;
+ CASE_PLANAR_YUV
+ case VLC_CODEC_GREY:
+ break;
+ default:
+ msg_Err( p_filter, "Unsupported chroma" );
+ return VLC_EGENERIC;
}
-
- /* Allocate structure */
- p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
- if( p_vout->p_sys == NULL )
+ if( !es_format_IsSimilar( &p_filter->fmt_in, &p_filter->fmt_out ) )
{
- msg_Err( p_vout, "out of memory" );
- return VLC_ENOMEM;
+ msg_Err( p_filter, "Input and output format does not match" );
+ return VLC_EGENERIC;
}
- p_vout->p_sys->p_image = image_HandlerCreate( p_vout );
-
- p_vout->pf_init = Init;
- p_vout->pf_end = End;
- p_vout->pf_manage = NULL;
- p_vout->pf_render = Render;
- p_vout->pf_display = NULL;
- p_vout->pf_control = Control;
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * Init: initialize Magnify video thread output method
- *****************************************************************************/
-static int Init( vout_thread_t *p_vout )
-{
- int i_index;
- picture_t *p_pic;
- video_format_t fmt;
-
- memset( &fmt, 0, sizeof(video_format_t) );
- I_OUTPUTPICTURES = 0;
-
- /* Initialize the output structure */
- p_vout->output.i_chroma = p_vout->render.i_chroma;
- p_vout->output.i_width = p_vout->render.i_width;
- p_vout->output.i_height = p_vout->render.i_height;
- p_vout->output.i_aspect = p_vout->render.i_aspect;
-
- p_vout->fmt_out = p_vout->fmt_in;
- fmt = p_vout->fmt_out;
-
- /* Try to open the real video output */
- msg_Dbg( p_vout, "spawning the real video output" );
-
- p_vout->p_sys->p_vout = vout_Create( p_vout, &fmt );
+ /* Allocate structure */
+ p_filter->p_sys = p_sys = malloc( sizeof( *p_sys ) );
+ if( !p_filter->p_sys )
+ return VLC_ENOMEM;
- /* Everything failed */
- if( p_vout->p_sys->p_vout == NULL )
+ p_sys->p_image = image_HandlerCreate( p_filter );
+ if( !p_sys->p_image )
{
- msg_Err( p_vout, "cannot open vout, aborting" );
+ free( p_sys );
return VLC_EGENERIC;
}
-#define VIS_ZOOM 4
- p_vout->p_sys->i_x = 0;
- p_vout->p_sys->i_y = 0;
-#define ZOOM_FACTOR 8
- p_vout->p_sys->i_zoom = 2*ZOOM_FACTOR;
- p_vout->p_sys->b_visible = true;
-
- var_AddCallback( p_vout->p_sys->p_vout, "mouse-x", MouseEvent, p_vout );
- var_AddCallback( p_vout->p_sys->p_vout, "mouse-y", MouseEvent, p_vout );
- var_AddCallback( p_vout->p_sys->p_vout, "mouse-clicked",
- MouseEvent, p_vout);
-
- ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
- ADD_CALLBACKS( p_vout->p_sys->p_vout, SendEvents );
- ADD_PARENT_CALLBACKS( SendEventsToChild );
+ p_sys->i_x = 0;
+ p_sys->i_y = 0;
+ p_sys->i_zoom = 2*ZOOM_FACTOR;
+ p_sys->b_visible = true;
+ p_sys->i_last_activity = mdate();
+ p_sys->i_hide_timeout = 1000 * var_CreateGetInteger( p_filter, "mouse-hide-timeout" ); /* FIXME */
+ /* */
+ p_filter->pf_video_filter = Filter;
+ p_filter->pf_video_mouse = Mouse;
return VLC_SUCCESS;
}
/*****************************************************************************
- * End: terminate Magnify video thread output method
- *****************************************************************************/
-static void End( vout_thread_t *p_vout )
-{
- int i_index;
-
- /* Free the fake output buffers we allocated */
- for( i_index = I_OUTPUTPICTURES ; i_index ; )
- {
- i_index--;
- free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig );
- }
-
- var_DelCallback( p_vout->p_sys->p_vout, "mouse-x", MouseEvent, p_vout);
- var_DelCallback( p_vout->p_sys->p_vout, "mouse-y", MouseEvent, p_vout);
- var_DelCallback( p_vout->p_sys->p_vout, "mouse-clicked", MouseEvent, p_vout);
-}
-
-/*****************************************************************************
- * Destroy: destroy Magnify video thread output method
+ * Destroy:
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
+ filter_t *p_filter = (filter_t *)p_this;
+ filter_sys_t *p_sys = p_filter->p_sys;
- if( p_vout->p_sys->p_vout )
- {
- DEL_CALLBACKS( p_vout->p_sys->p_vout, SendEvents );
- vlc_object_detach( p_vout->p_sys->p_vout );
- vout_Destroy( p_vout->p_sys->p_vout );
- }
-
- image_HandlerDelete( p_vout->p_sys->p_image );
+ image_HandlerDelete( p_sys->p_image );
- DEL_PARENT_CALLBACKS( SendEventsToChild );
-
- free( p_vout->p_sys );
+ free( p_sys );
}
/*****************************************************************************
* Render: displays previously rendered output
*****************************************************************************/
-static void Render( vout_thread_t *p_vout, picture_t *p_pic )
+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 o_x = p_vout->p_sys->i_x;
- int o_y = p_vout->p_sys->i_y;
- int o_zoom = p_vout->p_sys->i_zoom;
- int x,y,o_yp,o_xp;
int v_w, v_h;
- video_format_t fmt_out;
picture_t *p_converted;
- plane_t *p_oyp=NULL;
+ plane_t *p_oyp;
int i_plane;
- memset( &fmt_out, 0, sizeof(video_format_t) );
- /* This is a new frame. Get a structure from the video_output. */
- while( ( p_outpic = vout_CreatePicture( p_vout->p_sys->p_vout, 0, 0, 0 ) )
- == NULL )
+ p_outpic = filter_NewPicture( p_filter );
+ if( !p_outpic )
{
- if( p_vout->b_die || p_vout->b_error )
- {
- return;
- }
- msleep( VOUT_OUTMEM_SLEEP );
+ picture_Release( p_pic );
+ return NULL;
}
- vout_DatePicture( p_vout->p_sys->p_vout, p_outpic, p_pic->date );
-
- p_oyp = &(p_outpic->p[Y_PLANE]);
+ /* */
+ const bool b_visible = p_sys->b_visible;
+ const int o_x = p_sys->i_x;
+ const int o_y = p_sys->i_y;
+ const int o_zoom = p_sys->i_zoom;
/* background magnified image */
if( o_zoom != ZOOM_FACTOR )
{
+ video_format_t fmt_in;
+ video_format_t fmt_out;
+ picture_t crop;
+
+ crop = *p_pic;
for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
{
- o_yp = o_y*p_outpic->p[i_plane].i_lines
- /p_outpic->p[Y_PLANE].i_lines;
- o_xp = o_x*p_outpic->p[i_plane].i_pitch
- /p_outpic->p[Y_PLANE].i_pitch;
- int i_pitch = p_outpic->p[i_plane].i_pitch;
-#if 0
- int o_zoom2 = o_zoom*o_zoom;
- int o_zoom3 = o_zoom*o_zoom*o_zoom;
- int o_zoom4 = o_zoom*o_zoom*o_zoom*o_zoom;
- int o_zoom6 = o_zoom*o_zoom*o_zoom * o_zoom*o_zoom*o_zoom;
-#endif
- for( y=0; y<p_outpic->p[i_plane].i_visible_lines; y++ )
- {
- for( x=0; x<p_outpic->p[i_plane].i_visible_pitch; x++ )
- {
-#if 0
- /* Nearest neighbor */
- int nx = o_xp + x*ZOOM_FACTOR/o_zoom;
- int ny = o_yp + y*ZOOM_FACTOR/o_zoom;
- p_outpic->p[i_plane].p_pixels[y*i_pitch+x] =
- p_pic->p[i_plane].p_pixels[ny*i_pitch+nx];
-#elif 1
- /* Bi-linear */
- int nx_real = o_xp*o_zoom + x*ZOOM_FACTOR;
- int ny_real = o_yp*o_zoom + y*ZOOM_FACTOR;
- int nx = nx_real/o_zoom;
- int ny = ny_real/o_zoom;
- int wtl = ((nx+1)*o_zoom-nx_real)*((ny+1)*o_zoom-ny_real);
- int wtr = (nx_real-nx*o_zoom)*((ny+1)*o_zoom-ny_real);
- int wbl = ((nx+1)*o_zoom-nx_real)*(ny_real-ny*o_zoom);
- int wbr = (nx_real-nx*o_zoom)*(ny_real-ny*o_zoom);
- p_outpic->p[i_plane].p_pixels[y*i_pitch+x] =
- ( wtl*p_pic->p[i_plane].p_pixels[ny*i_pitch+nx]
- + wtr*p_pic->p[i_plane].p_pixels[ny*i_pitch+(nx+1)]
- + wbl*p_pic->p[i_plane].p_pixels[(ny+1)*i_pitch+nx]
- + wbr*p_pic->p[i_plane].p_pixels[(ny+1)*i_pitch+(nx+1)]
- ) / (o_zoom*o_zoom);
-#else
- /* Bi-cubic */
- /* FIXME: doesn't work */
- /* \Sigma_{i=0..3} \Sigma_{j=0..3} \alpha_{i,j} x^i y^j
- * 16 \alpha_{i,j} so we need to use the 16 nearest pixels
- *
- * In fact we should be able to write it as:
- * \Pi_{i=1..16} [ \Pi_{j!=i} ( x - x_j ) * ( y - y_j ) ]
- * * z_i / [ \Pi_{j!=i} ( x_i - x_j ) * ( y_i - y_j ) ]
- * We also have to make sure that we don't use any
- * x_j == x_i or y_j == y_i in the \Pi on j (else we get
- * a 0/0 which kind of sucks) .
- */
- uint8_t *p = p_pic->p[i_plane].p_pixels;
- int nx_real = o_xp*o_zoom + x*ZOOM_FACTOR;
- int ny_real = o_yp*o_zoom + y*ZOOM_FACTOR;
-
- int nx = nx_real/o_zoom;
- int ny = ny_real/o_zoom;
-
- int xi, yi, xj, yj;
- int my = __MAX( ny-1, 0 );
- int mx = __MAX( nx-1, 0 );
- //p_outpic->p[i_plane].i_visible_lines - 4
- //p_outpic->p[i_plane].i_visible_pitch - 4
- int v = 1;
- for( yi = my; yi <= my+3; yi++ )
- {
- int numy = 1;
- int deny = 1;
- /*
- for( yj = my; yj <= my+3; yj++ )
- {
- if( yj != yi )
- {
- numy *= (ny_real-yj*o_zoom);
- deny *= (yi - yj);
- }
- }
- numy /= o_zoom2;*/
- for( xi = mx; xi <= mx+3; xi++ )
- {
- int num = numy;
- int den = deny;
- for( xj = mx; xj <= mx+3; xj++ )
- {
- if( xj != xi )
- {
- num *= (nx_real-xj*o_zoom);
- den *= (xi - xj);
- }
- }
- v = ( v * (p[yi*i_pitch+xi] * num) ) / ( den * o_zoom3 );
- }
- }
- p_outpic->p[i_plane].p_pixels[y*i_pitch+x] = v;
-#endif
- }
- }
+ const int o_yp = o_y * p_outpic->p[i_plane].i_lines / p_outpic->p[Y_PLANE].i_lines;
+ const int o_xp = o_x * p_outpic->p[i_plane].i_pitch / p_outpic->p[Y_PLANE].i_pitch;
+
+ crop.p[i_plane].p_pixels += o_yp * p_pic->p[i_plane].i_pitch + o_xp;
}
+
+ /* */
+ fmt_in = p_filter->fmt_in.video;
+ fmt_in.i_width = (fmt_in.i_width * ZOOM_FACTOR / o_zoom) & ~1;
+ fmt_in.i_height = (fmt_in.i_height * ZOOM_FACTOR / o_zoom) & ~1;
+
+ /* */
+ fmt_out = p_filter->fmt_out.video;
+
+ p_converted = image_Convert( p_sys->p_image, &crop, &fmt_in, &fmt_out );
+
+ picture_CopyPixels( p_outpic, p_converted );
+
+ picture_Release( p_converted );
}
else
{
- for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
- {
- p_vout->p_libvlc->
- pf_memcpy( p_outpic->p[i_plane].p_pixels, p_pic->p[i_plane].p_pixels,
- p_outpic->p[i_plane].i_lines * p_outpic->p[i_plane].i_pitch );
- }
+ picture_CopyPixels( p_outpic, p_pic );
}
- if( p_vout->p_sys->b_visible )
+ /* */
+ p_oyp = &p_outpic->p[Y_PLANE];
+ if( b_visible )
{
+ video_format_t fmt_out;
+
/* image visualization */
- fmt_out = p_vout->fmt_out;
- fmt_out.i_width = p_vout->render.i_width/VIS_ZOOM;
- fmt_out.i_height = p_vout->render.i_height/VIS_ZOOM;
- p_converted = image_Convert( p_vout->p_sys->p_image, p_pic,
- &(p_pic->format), &fmt_out );
- for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
- {
- for( y=0; y<p_converted->p[i_plane].i_visible_lines; y++)
- {
- p_vout->p_libvlc->pf_memcpy(
- p_outpic->p[i_plane].p_pixels+y*p_outpic->p[i_plane].i_pitch,
- p_converted->p[i_plane].p_pixels+y*p_converted->p[i_plane].i_pitch,
- p_converted->p[i_plane].i_visible_pitch );
- }
- }
- p_converted->pf_release( p_converted );
+ fmt_out = p_filter->fmt_out.video;
+ fmt_out.i_width = (fmt_out.i_width /VIS_ZOOM) & ~1;
+ fmt_out.i_height = (fmt_out.i_height/VIS_ZOOM) & ~1;
+ p_converted = image_Convert( p_sys->p_image, p_pic,
+ &p_pic->format, &fmt_out );
+
+ /* It will put only what can be copied at the top left */
+ picture_CopyPixels( p_outpic, p_converted );
+
+ picture_Release( p_converted );
/* white rectangle on visualization */
- v_w = p_oyp->i_pitch*ZOOM_FACTOR/(VIS_ZOOM*o_zoom);
- v_h = (o_y+p_oyp->i_lines*ZOOM_FACTOR/o_zoom)/VIS_ZOOM;
- /* top line */
- p_vout->p_libvlc->pf_memset( p_oyp->p_pixels
- + o_y/VIS_ZOOM*p_oyp->i_pitch
- + o_x/VIS_ZOOM, 0xff, v_w+1 );
-
- for( y = o_y/VIS_ZOOM+1; y < v_h; y++ )
- {
- /* left line */
- p_oyp->p_pixels[
- y*p_oyp->i_pitch+o_x/VIS_ZOOM
- ] = 0xff;
- /* right line */
- p_oyp->p_pixels[
- y*p_oyp->i_pitch+o_x/VIS_ZOOM + v_w
- ] = 0xff;
- }
- /* bottom line */
- p_vout->p_libvlc->pf_memset( p_oyp->p_pixels
- + v_h*p_oyp->i_pitch
- + o_x/VIS_ZOOM, 0xff, v_w+1 );
+ v_w = __MIN( fmt_out.i_width * ZOOM_FACTOR / o_zoom, fmt_out.i_width - 1 );
+ v_h = __MIN( fmt_out.i_height * ZOOM_FACTOR / o_zoom, fmt_out.i_height - 1 );
+
+ DrawRectangle( p_oyp->p_pixels, p_oyp->i_pitch,
+ p_oyp->i_pitch, p_oyp->i_lines,
+ o_x/VIS_ZOOM, o_y/VIS_ZOOM,
+ v_w, v_h );
/* */
- v_h = p_oyp->i_lines/VIS_ZOOM;
+ v_h = fmt_out.i_height + 1;
}
else
{
v_h = 1;
}
- /* print a small "VLC ZOOM" ... gruikkkkkkkkk */
-#define DRAW(a) {int c,l=1;L a;}
-#define L ;l++,c=1
-#define X ;draw(l,c);c+=1
-#define o +1
-#define draw(y,x) p_oyp->p_pixels[(v_h+y)*p_oyp->i_pitch+x] = 0xff;
-if( p_vout->p_sys->b_visible )
-DRAW(
-X o o o X o X o o o o o o X X X X o o o X X X X X o o X X X o o o X X X o o X X o X X o o o X o o o X o X X X X X o X X X X o o X X X X X L
-X o o o X o X o o o o o X o o o o o o o o o o X o o X o o o X o X o o o X o X o X o X o o o X o o o X o o o X o o o X o o o X o X o o o o L
-o X o X o o X o o o o o X o o o o o o o o o X o o o X o o o X o X o o o X o X o o o X o o o X X X X X o o o X o o o X o o o X o X X X X o L
-o X o X o o X o o o o o X o o o o o o o o X o o o o X o o o X o X o o o X o X o o o X o o o X o o o X o o o X o o o X o o o X o X o o o o L
-o o X o o o X X X X X o o X X X X o o o X X X X X o o X X X o o o X X X o o X o o o X o o o X o o o X o X X X X X o X X X X o o X X X X X L
-)
-else
-DRAW(
-X o o o X o X o o o o o o X X X X o o o X X X X X o o X X X o o o X X X o o X X o X X o o o o X X X X o X o o o X o o X X X o o X o o o X L
-X o o o X o X o o o o o X o o o o o o o o o o X o o X o o o X o X o o o X o X o X o X o o o X o o o o o X o o o X o X o o o X o X o o o X L
-o X o X o o X o o o o o X o o o o o o o o o X o o o X o o o X o X o o o X o X o o o X o o o o X X X o o X X X X X o X o o o X o X o X o X L
-o X o X o o X o o o o o X o o o o o o o o X o o o o X o o o X o X o o o X o X o o o X o o o o o o o X o X o o o X o X o o o X o X o X o X L
-o o X o o o X X X X X o o X X X X o o o X X X X X o o X X X o o o X X X o o X o o o X o o o X X X X o o X o o o X o o X X X o o o X o X o L
-)
-#undef DRAW
-#undef L
-#undef X
-#undef O
-#undef draw
-
- if( p_vout->p_sys->b_visible )
+ /* print a small "VLC ZOOM" */
+
+ if( b_visible || p_sys->i_last_activity + p_sys->i_hide_timeout > mdate() )
+ DrawZoomStatus( p_oyp->p_pixels, p_oyp->i_pitch, p_oyp->i_pitch, p_oyp->i_lines,
+ 1, v_h, b_visible );
+
+ if( b_visible )
{
/* zoom gauge */
- p_vout->p_libvlc->pf_memset( p_oyp->p_pixels
- + (v_h+9)*p_oyp->i_pitch,
- 0xff, 41 );
- for( y = v_h + 10; y < v_h + 90; y++ )
+ memset( p_oyp->p_pixels + (v_h+9)*p_oyp->i_pitch, 0xff, 41 );
+ for( int y = v_h + 10; y < v_h + 90; y++ )
{
- int width = v_h + 90 - y;
- width = (width*width)/160;
- if( (80 - y + v_h)*10 < o_zoom )
+ int i_width = v_h + 90 - y;
+ i_width = i_width * i_width / 160;
+ if( (80 - y + v_h)*ZOOM_FACTOR/10 < o_zoom )
{
- p_vout->p_libvlc->pf_memset( p_oyp->p_pixels
- + y*p_oyp->i_pitch,
- 0xff, width );
+ memset( p_oyp->p_pixels + y*p_oyp->i_pitch, 0xff, i_width );
}
else
{
p_oyp->p_pixels[y*p_oyp->i_pitch] = 0xff;
- p_oyp->p_pixels[y*p_oyp->i_pitch + width - 1] = 0xff;
+ p_oyp->p_pixels[y*p_oyp->i_pitch + i_width - 1] = 0xff;
}
}
}
- vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
+ return CopyInfoAndRelease( p_outpic, p_pic );
}
-/*****************************************************************************
- * SendEvents: forward mouse and keyboard events to the parent p_vout
- *****************************************************************************/
-static int SendEvents( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
+static void DrawZoomStatus( uint8_t *pb_dst, int i_pitch, int i_width, int i_height,
+ int i_offset_x, int i_offset_y, bool b_visible )
{
- VLC_UNUSED(p_this); VLC_UNUSED(oldval);
- var_Set( (vlc_object_t *)p_data, psz_var, newval );
-
- return VLC_SUCCESS;
+ static const char *p_hide =
+ "X X X XXXX XXXXX XXX XXX XX XX X X XXXXX XXXX XXXXXL"
+ "X X X X X X X X X X X X X X X X X X L"
+ " X X X X X X X X X X X XXXXX X X X XXXX L"
+ " X X X X X X X X X X X X X X X X X L"
+ " X XXXXX XXXX XXXXX XXX XXX X X X X XXXXX XXXX XXXXXL";
+ static const char *p_show =
+ "X X X XXXX XXXXX XXX XXX XX XX XXXX X X XXX X XL"
+ "X X X X X X X X X X X X X X X X X X XL"
+ " X X X X X X X X X X X XXX XXXXX X X X X XL"
+ " X X X X X X X X X X X X X X X X X X XL"
+ " X XXXXX XXXX XXXXX XXX XXX X X XXXX X X XXX X X L";
+ const char *p_draw = b_visible ? p_hide : p_show;
+ int i, y, x;
+
+ for( i = 0, x = i_offset_x, y = i_offset_y; p_draw[i] != '\0'; i++ )
+ {
+ if( p_draw[i] == 'X' )
+ {
+ if( x < i_width && y < i_height )
+ pb_dst[y*i_pitch + x] = 0xff;
+ x++;
+ }
+ else if( p_draw[i] == ' ' )
+ {
+ x++;
+ }
+ else if( p_draw[i] == 'L' )
+ {
+ x = i_offset_x;
+ y++;
+ }
+ }
}
-
-/*****************************************************************************
- * SendEventsToChild: forward events to the child/children vout
- *****************************************************************************/
-static int SendEventsToChild( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
+static void DrawRectangle( uint8_t *pb_dst, int i_pitch, int i_width, int i_height,
+ int x, int y, int i_w, int i_h )
{
- VLC_UNUSED(p_data); VLC_UNUSED(oldval);
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- var_Set( p_vout->p_sys->p_vout, psz_var, newval );
- return VLC_SUCCESS;
+ int dy;
+
+ if( x + i_w > i_width || y + i_h > i_height )
+ return;
+
+ /* top line */
+ vlc_memset( &pb_dst[y * i_pitch + x], 0xff, i_w );
+
+ /* left and right */
+ for( dy = 1; dy < i_h-1; dy++ )
+ {
+ pb_dst[(y+dy) * i_pitch + x + 0] = 0xff;
+ pb_dst[(y+dy) * i_pitch + x + i_w-1] = 0xff;
+ }
+
+ /* bottom line */
+ vlc_memset( &pb_dst[(y+i_h-1) * i_pitch + x], 0xff, i_w );
}
-/*****************************************************************************
- * MouseEvent: callback for mouse events
- *****************************************************************************/
-static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
+static int Mouse( filter_t *p_filter, vlc_mouse_t *p_mouse, const vlc_mouse_t *p_old, const vlc_mouse_t *p_new )
{
- VLC_UNUSED(p_this);
- vout_thread_t *p_vout = (vout_thread_t*)p_data;
- vlc_value_t vald,valx,valy;
-
-#define MOUSE_DOWN 1
-#define MOUSE_CLICKED 2
-#define MOUSE_MOVE_X 4
-#define MOUSE_MOVE_Y 8
-#define MOUSE_MOVE 12
- uint8_t mouse= 0;
-
- int v_h = p_vout->output.i_height*ZOOM_FACTOR/p_vout->p_sys->i_zoom;
- int v_w = p_vout->output.i_width*ZOOM_FACTOR/p_vout->p_sys->i_zoom;
-
- if( psz_var[6] == 'x' ) mouse |= MOUSE_MOVE_X;
- if( psz_var[6] == 'y' ) mouse |= MOUSE_MOVE_Y;
- if( psz_var[6] == 'c' ) mouse |= MOUSE_CLICKED;
-
- var_Get( p_vout->p_sys->p_vout, "mouse-button-down", &vald );
- if( vald.i_int & 0x1 ) mouse |= MOUSE_DOWN;
- var_Get( p_vout->p_sys->p_vout, "mouse-y", &valy );
- var_Get( p_vout->p_sys->p_vout, "mouse-x", &valx );
-
- if( ( mouse&MOUSE_MOVE && mouse&MOUSE_DOWN)
- || mouse&MOUSE_CLICKED )
+ filter_sys_t *p_sys = p_filter->p_sys;
+ const video_format_t *p_fmt = &p_filter->fmt_in.video;
+
+ /* */
+ const bool b_click = vlc_mouse_HasPressed( p_old, p_new, MOUSE_BUTTON_LEFT );
+ const bool b_pressed = vlc_mouse_IsLeftPressed( p_new );
+
+ bool b_grab = false;
+
+ /* Find the mouse position */
+ if( p_sys->b_visible )
{
- /* (mouse moved and mouse button is down) or (mouse clicked) */
- if( p_vout->p_sys->b_visible )
+ const int i_visu_width = p_fmt->i_width / VIS_ZOOM;
+ const int i_visu_height = p_fmt->i_height / VIS_ZOOM;
+
+ if( p_new->i_x >= 0 && p_new->i_x < i_visu_width &&
+ p_new->i_y >= 0 && p_new->i_y < i_visu_height )
{
- if( 0 <= valy.i_int
- && valy.i_int < (int)p_vout->output.i_height/VIS_ZOOM
- && 0 <= valx.i_int
- && valx.i_int < (int)p_vout->output.i_width/VIS_ZOOM )
- {
- /* mouse is over visualisation */
- p_vout->p_sys->i_x = __MIN( __MAX( valx.i_int*VIS_ZOOM - v_w/2, 0 ),
- p_vout->output.i_width - v_w - 1);
- p_vout->p_sys->i_y = __MIN( __MAX( valy.i_int * VIS_ZOOM - v_h/2,
- 0 ), p_vout->output.i_height - v_h - 1);
- }
- else if( valx.i_int >= 0 && valx.i_int < 80
- && valy.i_int >= (int)p_vout->output.i_height/VIS_ZOOM
- && valy.i_int < (int)p_vout->output.i_height/VIS_ZOOM + 9
- && mouse&MOUSE_CLICKED )
- {
- /* mouse is over the "VLC ZOOM HIDE" text */
- p_vout->p_sys->b_visible = false;
- }
- else if( (int)p_vout->output.i_height/VIS_ZOOM + 9 <= valy.i_int
- && valy.i_int <= (int)p_vout->output.i_height/VIS_ZOOM + 90
- && 0 <= valx.i_int
- && valx.i_int <=
- (( (int)p_vout->output.i_height/VIS_ZOOM + 90 - valy.i_int)
- *( (int)p_vout->output.i_height/VIS_ZOOM + 90 - valy.i_int))/160 )
+ /* Visualization */
+ if( b_pressed )
{
- /* mouse is over zoom gauge */
- p_vout->p_sys->i_zoom = __MAX( ZOOM_FACTOR,
- ( 80 + (int)p_vout->output.i_height/VIS_ZOOM
- - valy.i_int + 2) * ZOOM_FACTOR/10 );
- }
- else if( mouse&MOUSE_MOVE_X && !(mouse&MOUSE_CLICKED) )
- {
- p_vout->p_sys->i_x -= (newval.i_int - oldval.i_int)
- *ZOOM_FACTOR/p_vout->p_sys->i_zoom;
- }
- else if( mouse&MOUSE_MOVE_Y && !(mouse&MOUSE_CLICKED) )
- {
- p_vout->p_sys->i_y -= (newval.i_int - oldval.i_int)
- *ZOOM_FACTOR/p_vout->p_sys->i_zoom;
+ const int v_w = p_fmt->i_width * ZOOM_FACTOR / p_sys->i_zoom;
+ const int v_h = p_fmt->i_height * ZOOM_FACTOR / p_sys->i_zoom;
+
+ p_sys->i_x = __MIN( __MAX( p_new->i_x * VIS_ZOOM - v_w/2, 0 ),
+ (int)p_fmt->i_width - v_w - 1);
+ p_sys->i_y = __MIN( __MAX( p_new->i_y * VIS_ZOOM - v_h/2, 0 ),
+ (int)p_fmt->i_height - v_h - 1);
+
+ b_grab = true;
}
}
- else
+ else if( p_new->i_x >= 0 && p_new->i_x < 80 &&
+ p_new->i_y >= i_visu_height &&
+ p_new->i_y < i_visu_height + 9 )
{
- if( valx.i_int >= 0 && valx.i_int < 80 && valy.i_int >= 0
- && valy.i_int <= 10 && mouse&MOUSE_CLICKED )
+ /* Hide text */
+ if( b_click )
{
- /* mouse is over the "VLC ZOOM SHOW" text */
- p_vout->p_sys->b_visible = true;
+ p_sys->b_visible = false;
+ b_grab = true;
}
- else if( mouse&MOUSE_MOVE_X && !(mouse&MOUSE_CLICKED) )
+ }
+ else if( p_new->i_x >= 0 &&
+ p_new->i_x <= ( i_visu_height + 90 - p_new->i_y ) *
+ ( i_visu_height + 90 - p_new->i_y ) / 160 &&
+ p_new->i_y >= i_visu_height + 9 &&
+ p_new->i_y <= i_visu_height + 90 )
+ {
+ /* Zoom gauge */
+ if( b_pressed )
{
- p_vout->p_sys->i_x -= (newval.i_int - oldval.i_int)
- *ZOOM_FACTOR/p_vout->p_sys->i_zoom;
+ p_sys->i_zoom = __MAX( ZOOM_FACTOR,
+ (80 + i_visu_height - p_new->i_y + 2) *
+ ZOOM_FACTOR / 10 );
+
+ const int v_w = p_fmt->i_width * ZOOM_FACTOR / p_sys->i_zoom;
+ const int v_h = p_fmt->i_height * ZOOM_FACTOR / p_sys->i_zoom;
+ p_sys->i_x = __MAX( __MIN( p_sys->i_x, (int)p_fmt->i_width - v_w - 1 ), 0 );
+ p_sys->i_y = __MAX( __MIN( p_sys->i_y, (int)p_fmt->i_height - v_h - 1 ), 0 );
+
+ b_grab = true;
}
- else if( mouse&MOUSE_MOVE_Y && !(mouse&MOUSE_CLICKED) )
+ }
+ }
+ else
+ {
+ if( p_new->i_x >= 0 && p_new->i_x < 80 &&
+ p_new->i_y >= 0 && p_new->i_y <= 10 )
+ {
+ /* Show text */
+ if( b_click )
{
- p_vout->p_sys->i_y -= (newval.i_int - oldval.i_int)
- *ZOOM_FACTOR/p_vout->p_sys->i_zoom;
+ p_sys->b_visible = true;
+ b_grab = true;
}
}
}
- p_vout->p_sys->i_x =
- __MAX( 0, __MIN( p_vout->p_sys->i_x, (int)p_vout->output.i_width
- - (int)p_vout->output.i_width*ZOOM_FACTOR/p_vout->p_sys->i_zoom - 1 ));
- p_vout->p_sys->i_y =
- __MAX( 0, __MIN( p_vout->p_sys->i_y, (int)p_vout->output.i_height
- - (int)p_vout->output.i_height*ZOOM_FACTOR/p_vout->p_sys->i_zoom - 1 ));
+ if( vlc_mouse_HasMoved( p_old, p_new ) )
+ p_sys->i_last_activity = mdate();
+ if( b_grab )
+ return VLC_EGENERIC;
+ /* */
+ *p_mouse = *p_new;
+ p_mouse->i_x = p_sys->i_x + p_new->i_x * ZOOM_FACTOR / p_sys->i_zoom;
+ p_mouse->i_y = p_sys->i_y + p_new->i_y * ZOOM_FACTOR / p_sys->i_zoom;
return VLC_SUCCESS;
}
+