static picture_t *Filter( filter_t *, picture_t * );
+static void get_red_from_yuv420( picture_t *, picture_t *, int, int, int );
+static void get_green_from_yuv420( picture_t *, picture_t *, int, int, int );
+static void get_blue_from_yuv420( picture_t *, picture_t *, int, int, int );
+static void get_red_from_yuv422( picture_t *, picture_t *, int, int, int );
+static void get_green_from_yuv422( picture_t *, picture_t *, int, int, int );
+static void get_blue_from_yuv422( picture_t *, picture_t *, int, int, int );
+static void make_projection_matrix( int color, int *matrix );
+static void get_custom_from_yuv420( picture_t *, picture_t *, int, int, int, int * );
+static void get_custom_from_yuv422( picture_t *, picture_t *, int, int, int, int * );
+
+
#define COMPONENT_TEXT N_("RGB component to extract")
#define COMPONENT_LONGTEXT N_("RGB component to extract. 0 for Red, 1 for Green and 2 for Blue.")
#define FILTER_PREFIX "extract-"
-static int pi_component_values[] = { 0, 1, 2 };
+static int pi_component_values[] = { 0xFF0000, 0x00FF00, 0x0000FF };
static const char *ppsz_component_descriptions[] = { "Red", "Green", "Blue" };
/*****************************************************************************
set_capability( "video filter2", 0 );
add_shortcut( "extract" );
- add_integer( FILTER_PREFIX "component", 0, NULL,
- COMPONENT_TEXT, COMPONENT_LONGTEXT, VLC_FALSE );
+ add_integer_with_range( FILTER_PREFIX "component", 0xFF0000, 1, 0xFFFFFF,
+ NULL, COMPONENT_TEXT, COMPONENT_LONGTEXT, VLC_FALSE );
change_integer_list( pi_component_values, ppsz_component_descriptions, 0 );
set_callbacks( Create, Destroy );
"component", NULL
};
-enum { RED, GREEN, BLUE };
+enum { RED=0xFF0000, GREEN=0x00FF00, BLUE=0x0000FF };
struct filter_sys_t
{
int i_color;
+ int *projection_matrix;
};
/*****************************************************************************
msg_Err( p_filter, "out of memory" );
return VLC_ENOMEM;
}
+ p_filter->p_sys->projection_matrix = malloc( 9 * sizeof( int ) );
+ if( !p_filter->p_sys->projection_matrix )
+ {
+ free( p_filter->p_sys );
+ msg_Err( p_filter, "out of memory" );
+ return VLC_ENOMEM;
+ }
config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
p_filter->p_cfg );
VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
p_filter->p_sys->i_color = var_GetInteger( p_filter,
FILTER_PREFIX "component" );
+ switch( p_filter->p_sys->i_color )
+ {
+ case RED:
+ case GREEN:
+ case BLUE:
+ break;
+ default:
+ make_projection_matrix( p_filter->p_sys->i_color,
+ p_filter->p_sys->projection_matrix );
+ break;
+ }
p_filter->pf_video_filter = Filter;
{
filter_t *p_filter = (filter_t *)p_this;
+ free( p_filter->p_sys->projection_matrix );
free( p_filter->p_sys );
}
/*****************************************************************************
* Render
*****************************************************************************/
-static void get_red_from_yuv420( picture_t *, picture_t *, int, int, int );
-static void get_green_from_yuv420( picture_t *, picture_t *, int, int, int );
-static void get_blue_from_yuv420( picture_t *, picture_t *, int, int, int );
-static void get_red_from_yuv422( picture_t *, picture_t *, int, int, int );
-static void get_green_from_yuv422( picture_t *, picture_t *, int, int, int );
-static void get_blue_from_yuv422( picture_t *, picture_t *, int, int, int );
-
static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
{
picture_t *p_outpic;
get_blue_from_yuv420( p_pic, p_outpic,
Y_PLANE, U_PLANE, V_PLANE );
break;
+ default:
+ get_custom_from_yuv420( p_pic, p_outpic,
+ Y_PLANE, U_PLANE, V_PLANE,
+ p_filter->p_sys->projection_matrix);
+ break;
}
break;
get_blue_from_yuv422( p_pic, p_outpic,
Y_PLANE, U_PLANE, V_PLANE );
break;
+ default:
+ get_custom_from_yuv422( p_pic, p_outpic,
+ Y_PLANE, U_PLANE, V_PLANE,
+ p_filter->p_sys->projection_matrix);
+ break;
}
break;
#define U 128
#define V 128
+static void mmult( double *res, double *a, double *b )
+{
+ int i, j, k;
+ for( i = 0; i < 3; i++ )
+ {
+ for( j = 0; j < 3; j++ )
+ {
+ res[ i*3 + j ] = 0.;
+ for( k = 0; k < 3; k++ )
+ {
+ res[ i*3 + j ] += a[ i*3 + k ] * b[ k*3 + j ];
+ }
+ }
+ }
+}
+static void make_projection_matrix( int color, int *matrix )
+{
+ double left_matrix[9] =
+ { 76.24500, 149.68500, 29.07000,
+ -43.02765, -84.47235, 127.50000,
+ 127.50000, -106.76534, -20.73466 };
+ double right_matrix[9] =
+ { 257.00392, 0.00000, 360.31950,
+ 257.00392, -88.44438, -183.53583,
+ 257.00392, 455.41095, 0.00000 };
+ double red = ((double)(( 0xFF0000 & color )>>16))/255.;
+ double green = ((double)(( 0x00FF00 & color )>>8))/255.;
+ double blue = ((double)( 0x0000FF & color ))/255.;
+ double norm = sqrt( red*red + green*green + blue*blue );
+ red /= norm;
+ green /= norm;
+ blue /= norm;
+ /* XXX: We might still need to norm the rgb_matrix */
+ double rgb_matrix[9] =
+ { red*red, red*green, red*blue,
+ red*green, green*green, green*blue,
+ red*blue, green*blue, blue*blue };
+ double result1[9];
+ double result[9];
+ int i;
+ printf( "%f\n", red );
+ printf( "%f\n", green );
+ printf( "%f\n", blue );
+ mmult( result1, rgb_matrix, right_matrix );
+ mmult( result, left_matrix, result1 );
+ for( i = 0; i < 9; i++ )
+ {
+ matrix[i] = (int)result[i];
+ printf( "%d ", matrix[i] );
+ if( i%3 == 2 ) printf( "\n" );
+ }
+}
+static void get_custom_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
+ int yp, int up, int vp, int *m )
+{
+ uint8_t *y1in = p_inpic->p[yp].p_pixels;
+ uint8_t *y2in;
+ uint8_t *uin = p_inpic->p[up].p_pixels;
+ uint8_t *vin = p_inpic->p[vp].p_pixels;
+
+ uint8_t *y1out = p_outpic->p[yp].p_pixels;
+ uint8_t *y2out;
+ uint8_t *uout = p_outpic->p[up].p_pixels;
+ uint8_t *vout = p_outpic->p[vp].p_pixels;
+
+ const int i_pitch = p_inpic->p[yp].i_pitch;
+ const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
+ const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
+
+ const int i_uv_pitch = p_inpic->p[up].i_pitch;
+ const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
+
+ const uint8_t *yend = y1in + i_visible_lines * i_pitch;
+ while( y1in < yend )
+ {
+ const uint8_t *y1end = y1in + i_visible_pitch;
+ y2in = y1in + i_pitch;
+ y2out = y1out + i_pitch;
+ while( y1in < y1end )
+ {
+/*
+38470 -13239 -27473
+-21710 7471 15504
+-27439 9443 19595
+*/
+ *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
+ / 65536 + U );
+ *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
+ / 65536 + V );
+ *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
+ / 65536 );
+ *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
+ / 65536 );
+ *y2out++ = crop( (*y2in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
+ / 65536 );
+ *y2out++ = crop( (*y2in++ * m[0] + (*uin++ - U) * m[1] + (*vin++ -V) * m[2])
+ / 65536 );
+ }
+ y1in += 2*i_pitch - i_visible_pitch;
+ y1out += 2*i_pitch - i_visible_pitch;
+ uin += i_uv_pitch - i_uv_visible_pitch;
+ uout += i_uv_pitch - i_uv_visible_pitch;
+ vin += i_uv_pitch - i_uv_visible_pitch;
+ vout += i_uv_pitch - i_uv_visible_pitch;
+ }
+}
+static void get_custom_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
+ int yp, int up, int vp, int *m )
+{
+ uint8_t *y1in = p_inpic->p[yp].p_pixels;
+ uint8_t *uin = p_inpic->p[up].p_pixels;
+ uint8_t *vin = p_inpic->p[vp].p_pixels;
+
+ uint8_t *y1out = p_outpic->p[yp].p_pixels;
+ uint8_t *uout = p_outpic->p[up].p_pixels;
+ uint8_t *vout = p_outpic->p[vp].p_pixels;
+
+ const int i_pitch = p_inpic->p[yp].i_pitch;
+ const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
+ const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
+
+ const int i_uv_pitch = p_inpic->p[up].i_pitch;
+ const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
+
+ const uint8_t *yend = y1in + i_visible_lines * i_pitch;
+ while( y1in < yend )
+ {
+ const uint8_t *y1end = y1in + i_visible_pitch;
+ while( y1in < y1end )
+ {
+/*
+38470 -13239 -27473
+-21710 7471 15504
+-27439 9443 19595
+*/
+ *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
+ / 65536 + U );
+ *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
+ / 65536 + V );
+ *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
+ / 65536 );
+ *y1out++ = crop( (*y1in++ * m[0] + (*uin++ -U) * m[1] + (*vin++ -V) * m[2])
+ / 65536 );
+ }
+ y1in += 2*i_pitch - i_visible_pitch;
+ y1out += 2*i_pitch - i_visible_pitch;
+ uin += i_uv_pitch - i_uv_visible_pitch;
+ uout += i_uv_pitch - i_uv_visible_pitch;
+ vin += i_uv_pitch - i_uv_visible_pitch;
+ vout += i_uv_pitch - i_uv_visible_pitch;
+ }
+}
+
static void get_red_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
int yp, int up, int vp )
{
/ 65536 );
*y2out++ = crop( (*y2in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
/ 65536 );
- *y2out++ = crop( (*y2in++ * 38470 + (*uin++ - U) * -13239 + (*vin++ -128) * -27473)
+ *y2out++ = crop( (*y2in++ * 38470 + (*uin++ - U) * -13239 + (*vin++ -V) * -27473)
/ 65536 );
}
y1in += 2*i_pitch - i_visible_pitch;