X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fvideo_filter%2Fmagnify.c;h=a0171ec5c642ff0efeae8c3c28976f5eb624e336;hb=23fe953dbb391d1a20a6b75a79d41ff8a2d77f82;hp=733be1d06959d1df5888ee1d7a58a5df5bd411c5;hpb=d3fe7f28797d4dba65ffcdd60bf932e758a48a9e;p=vlc diff --git a/modules/video_filter/magnify.c b/modules/video_filter/magnify.c index 733be1d069..a0171ec5c6 100644 --- a/modules/video_filter/magnify.c +++ b/modules/video_filter/magnify.c @@ -24,25 +24,42 @@ /***************************************************************************** * Preamble *****************************************************************************/ -#include /* malloc(), free() */ -#include -#include +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include #include #include #include "filter_common.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 * ); +vlc_module_begin(); + set_description( N_("Magnify/Zoom interactive video filter") ); + set_shortname( N_( "Magnify" )); + set_capability( "video filter", 0 ); + set_category( CAT_VIDEO ); + set_subcategory( SUBCAT_VIDEO_VFILTER ); + + set_callbacks( Create, Destroy ); +vlc_module_end(); + + +/***************************************************************************** + * Local prototypes + *****************************************************************************/ static int Init ( vout_thread_t * ); static void End ( vout_thread_t * ); static void Render ( vout_thread_t *, picture_t * ); @@ -52,18 +69,10 @@ static int SendEvents ( vlc_object_t *, char const *, static int MouseEvent ( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * ); -/***************************************************************************** - * Module descriptor - *****************************************************************************/ -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 ); - - 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 @@ -74,12 +83,20 @@ struct vout_sys_t image_handler_t *p_image; + int64_t i_hide_timeout; + + vlc_mutex_t lock; int i_zoom; /* zoom level in percent */ int i_x, i_y; /* top left corner coordinates in original image */ - vlc_bool_t b_visible; /* is "interface" visible ? */ + bool b_visible; /* is "interface" visible ? */ + + int64_t i_last_activity; }; +#define VIS_ZOOM 4 +#define ZOOM_FACTOR 8 + /***************************************************************************** * Control: control facility for the vout (forwards to child vout) *****************************************************************************/ @@ -95,13 +112,20 @@ static int Create( vlc_object_t *p_this ) { vout_thread_t *p_vout = (vout_thread_t *)p_this; + switch( p_vout->fmt_in.i_chroma ) + { + CASE_PLANAR_YUV + case VLC_FOURCC('G','R','E','Y'): + break; + default: + msg_Err( p_vout, "Unsupported chroma" ); + return VLC_EGENERIC; + } + /* Allocate structure */ p_vout->p_sys = malloc( sizeof( vout_sys_t ) ); if( p_vout->p_sys == NULL ) - { - msg_Err( p_vout, "out of memory" ); return VLC_ENOMEM; - } p_vout->p_sys->p_image = image_HandlerCreate( p_vout ); @@ -122,8 +146,9 @@ static int Init( vout_thread_t *p_vout ) { int i_index; picture_t *p_pic; - video_format_t fmt = {0}; + video_format_t fmt; + memset( &fmt, 0, sizeof(video_format_t) ); I_OUTPUTPICTURES = 0; /* Initialize the output structure */ @@ -147,11 +172,13 @@ static int Init( vout_thread_t *p_vout ) return VLC_EGENERIC; } -#define VIS_ZOOM 4 + vlc_mutex_init( &p_vout->p_sys->lock ); p_vout->p_sys->i_x = 0; p_vout->p_sys->i_y = 0; -#define ZOOM_FACTOR 100 - p_vout->p_sys->i_zoom = 200; + p_vout->p_sys->i_zoom = 2*ZOOM_FACTOR; + p_vout->p_sys->b_visible = true; + p_vout->p_sys->i_last_activity = mdate(); + p_vout->p_sys->i_hide_timeout = 1000 * var_GetInteger( p_vout, "mouse-hide-timeout" ); 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 ); @@ -172,6 +199,10 @@ static void End( vout_thread_t *p_vout ) { int i_index; + DEL_PARENT_CALLBACKS( SendEventsToChild ); + + DEL_CALLBACKS( p_vout->p_sys->p_vout, SendEvents ); + /* Free the fake output buffers we allocated */ for( i_index = I_OUTPUTPICTURES ; i_index ; ) { @@ -182,6 +213,10 @@ static void End( vout_thread_t *p_vout ) 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); + + vlc_mutex_destroy( &p_vout->p_sys->lock ); + + vout_CloseAndRelease( p_vout->p_sys->p_vout ); } /***************************************************************************** @@ -191,16 +226,8 @@ static void Destroy( vlc_object_t *p_this ) { vout_thread_t *p_vout = (vout_thread_t *)p_this; - 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 ); - DEL_PARENT_CALLBACKS( SendEventsToChild ); free( p_vout->p_sys ); } @@ -210,161 +237,131 @@ static void Destroy( vlc_object_t *p_this ) *****************************************************************************/ static void Render( vout_thread_t *p_vout, picture_t *p_pic ) { + vout_sys_t *p_sys = p_vout->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 = {0}; picture_t *p_converted; - plane_t *p_oyp=NULL; + plane_t *p_oyp; + int i_plane; /* 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 ) ) + while( ( p_outpic = vout_CreatePicture( p_sys->p_vout, 0, 0, 0 ) ) == NULL ) { - if( p_vout->b_die || p_vout->b_error ) + if( !vlc_object_alive (p_vout) || p_vout->b_error ) { return; } msleep( VOUT_OUTMEM_SLEEP ); } - vout_DatePicture( p_vout->p_sys->p_vout, p_outpic, p_pic->date ); + vout_DatePicture( p_sys->p_vout, p_outpic, p_pic->date ); + - p_oyp = &(p_outpic->p[Y_PLANE]); + vlc_mutex_lock( &p_sys->lock ); + 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; + const int64_t i_last_activity = p_sys->i_last_activity; + vlc_mutex_unlock( &p_sys->lock ); /* background magnified image */ if( o_zoom != ZOOM_FACTOR ) { -#define magnify( plane ) \ - o_yp = o_y*p_outpic->p[plane].i_lines/p_outpic->p[Y_PLANE].i_lines; \ - o_xp = o_x*p_outpic->p[plane].i_pitch/p_outpic->p[Y_PLANE].i_pitch; \ - for( y=0; yp[plane].i_visible_lines; y++ ) \ - { \ - for( x=0; xp[plane].i_visible_pitch; x++ ) \ - { \ - p_outpic->p[plane].p_pixels[y*p_outpic->p[plane].i_pitch+x] = \ - p_pic->p[plane].p_pixels[ \ - ( o_yp + y*ZOOM_FACTOR/o_zoom )*p_outpic->p[plane].i_pitch \ - + o_xp + x*ZOOM_FACTOR/o_zoom \ - ]; \ - } \ - } - magnify( Y_PLANE ); - magnify( U_PLANE ); - magnify( V_PLANE ); -#undef magnify + 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++ ) + { + 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_outpic->p[i_plane].i_pitch + o_xp; + } + + /* */ + fmt_in = p_vout->fmt_out; + 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_vout->fmt_out; + + p_converted = image_Convert( p_sys->p_image, &crop, &fmt_in, &fmt_out ); + + picture_CopyPixels( p_outpic, p_converted ); + + picture_Release( p_converted ); } else { -#define copy( plane ) \ - memcpy( p_outpic->p[plane].p_pixels, p_pic->p[plane].p_pixels, \ - p_outpic->p[plane].i_lines * p_outpic->p[plane].i_pitch ); - copy( Y_PLANE ); - copy( U_PLANE ); - copy( V_PLANE ); -#undef copy + 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 ); - #define copyimage( plane ) \ - for( y=0; yp[plane].i_visible_lines; y++) \ - { \ - memcpy( p_outpic->p[plane].p_pixels+y*p_outpic->p[plane].i_pitch, \ - p_converted->p[plane].p_pixels+y*p_converted->p[plane].i_pitch, \ - p_converted->p[plane].i_visible_pitch ); \ + fmt_out.i_width = (p_vout->render.i_width/VIS_ZOOM ) & ~1; + fmt_out.i_height = (p_vout->render.i_height/VIS_ZOOM) & ~1; + p_converted = image_Convert( p_sys->p_image, p_pic, + &p_pic->format, &fmt_out ); + for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ ) + { + int y; + for( y = 0; y < p_converted->p[i_plane].i_visible_lines; y++) + { + vlc_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 ); + } } - copyimage( Y_PLANE ); - copyimage( U_PLANE ); - copyimage( V_PLANE ); - #undef copyimage - p_converted->pf_release( 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 */ - 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 */ - 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 || 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 ) { + int y; + /* zoom gauge */ - memset( p_oyp->p_pixels - + (v_h+9)*p_oyp->i_pitch, - 0xff, 41 ); + vlc_memset( p_oyp->p_pixels + (v_h+9)*p_oyp->i_pitch, 0xff, 41 ); for( 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 ) + if( (80 - y + v_h)*ZOOM_FACTOR/10 < o_zoom ) { - memset( p_oyp->p_pixels - + y*p_oyp->i_pitch, - 0xff, width ); + vlc_memset( p_oyp->p_pixels + y*p_oyp->i_pitch, 0xff, width ); } else { @@ -374,7 +371,66 @@ 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 } } - vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic ); + vout_DisplayPicture( p_sys->p_vout, p_outpic ); +} + +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 ) +{ + 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++; + } + } +} +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 ) +{ + 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 ); } /***************************************************************************** @@ -383,6 +439,7 @@ 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 static int SendEvents( vlc_object_t *p_this, char const *psz_var, vlc_value_t oldval, vlc_value_t newval, void *p_data ) { + VLC_UNUSED(p_this); VLC_UNUSED(oldval); var_Set( (vlc_object_t *)p_data, psz_var, newval ); return VLC_SUCCESS; @@ -394,6 +451,7 @@ static int SendEvents( vlc_object_t *p_this, char const *psz_var, static int SendEventsToChild( vlc_object_t *p_this, char const *psz_var, vlc_value_t oldval, vlc_value_t newval, void *p_data ) { + 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; @@ -408,6 +466,8 @@ static int MouseEvent( vlc_object_t *p_this, char const *psz_var, vout_thread_t *p_vout = (vout_thread_t*)p_data; vlc_value_t vald,valx,valy; + VLC_UNUSED(p_this); + #define MOUSE_DOWN 1 #define MOUSE_CLICKED 2 #define MOUSE_MOVE_X 4 @@ -415,9 +475,6 @@ static int MouseEvent( vlc_object_t *p_this, char const *psz_var, #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; @@ -427,6 +484,11 @@ static int MouseEvent( vlc_object_t *p_this, char const *psz_var, var_Get( p_vout->p_sys->p_vout, "mouse-y", &valy ); var_Get( p_vout->p_sys->p_vout, "mouse-x", &valx ); + vlc_mutex_lock( &p_vout->p_sys->lock ); + + const int v_h = p_vout->output.i_height*ZOOM_FACTOR/p_vout->p_sys->i_zoom; + const int v_w = p_vout->output.i_width*ZOOM_FACTOR/p_vout->p_sys->i_zoom; + if( ( mouse&MOUSE_MOVE && mouse&MOUSE_DOWN) || mouse&MOUSE_CLICKED ) { @@ -450,7 +512,7 @@ static int MouseEvent( vlc_object_t *p_this, char const *psz_var, && mouse&MOUSE_CLICKED ) { /* mouse is over the "VLC ZOOM HIDE" text */ - p_vout->p_sys->b_visible = VLC_FALSE; + 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 @@ -481,7 +543,7 @@ static int MouseEvent( vlc_object_t *p_this, char const *psz_var, && valy.i_int <= 10 && mouse&MOUSE_CLICKED ) { /* mouse is over the "VLC ZOOM SHOW" text */ - p_vout->p_sys->b_visible = VLC_TRUE; + p_vout->p_sys->b_visible = true; } else if( mouse&MOUSE_MOVE_X && !(mouse&MOUSE_CLICKED) ) { @@ -503,6 +565,8 @@ static int MouseEvent( vlc_object_t *p_this, char const *psz_var, __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 )); + p_vout->p_sys->i_last_activity = mdate(); + vlc_mutex_unlock( &p_vout->p_sys->lock ); return VLC_SUCCESS; }