Commit c195ba73 authored by dionoea's avatar dionoea

mosaic.c: Bluescreen enhancement. Add convolution product of alpha mask with...

mosaic.c: Bluescreen enhancement. Add convolution product of alpha mask with 5x5 gaussian. Makes it look better.

distort.c: change line orders.
parent 552c8f6d
......@@ -520,8 +520,8 @@ static void DistortGradient( vout_thread_t *p_vout, picture_t *p_inpic,
+ ( p_inpix[(y-2)*i_src_pitch+x+1]<<2 )
+ ( p_inpix[(y-2)*i_src_pitch+x+2]<<1 )
/* 1 row up */
+ ( p_inpix[(y-1)*i_src_pitch+x-1]<<3 )
+ ( p_inpix[(y-1)*i_src_pitch+x-2]<<2 )
+ ( p_inpix[(y-1)*i_src_pitch+x-1]<<3 )
+ ( p_inpix[(y-1)*i_src_pitch+x]*12 )
+ ( p_inpix[(y-1)*i_src_pitch+x+1]<<3 )
+ ( p_inpix[(y-1)*i_src_pitch+x+2]<<2 )
......@@ -687,8 +687,8 @@ static void DistortEdge( vout_thread_t *p_vout, picture_t *p_inpic,
+ ( p_inpix[(y-2)*i_src_pitch+x+1]<<2 )
+ ( p_inpix[(y-2)*i_src_pitch+x+2]<<1 )
/* 1 row up */
+ ( p_inpix[(y-1)*i_src_pitch+x-1]<<3 )
+ ( p_inpix[(y-1)*i_src_pitch+x-2]<<2 )
+ ( p_inpix[(y-1)*i_src_pitch+x-1]<<3 )
+ ( p_inpix[(y-1)*i_src_pitch+x]*12 )
+ ( p_inpix[(y-1)*i_src_pitch+x+1]<<3 )
+ ( p_inpix[(y-1)*i_src_pitch+x+2]<<2 )
......
......@@ -534,12 +534,13 @@ static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
/* Bluescreen stuff */
if( p_sys->b_bs )
{
int i;
int i,j;
int i_lines = p_converted->p[ A_PLANE ].i_lines;
int i_pitch = p_converted->p[ A_PLANE ].i_pitch;
uint8_t *p_a = p_converted->p[ A_PLANE ].p_pixels;
uint8_t *p_at = malloc( i_lines * i_pitch * sizeof( uint8_t ) );
uint8_t *p_u = p_converted->p[ U_PLANE ].p_pixels;
uint8_t *p_v = p_converted->p[ V_PLANE ].p_pixels;
int i_lines = p_converted->p[ A_PLANE ].i_lines;
int i_pitch = p_converted->p[ A_PLANE ].i_pitch;
uint8_t umin, umax, vmin, vmax;
umin = p_sys->i_bsu - p_sys->i_bsut >= 0x00 ?
p_sys->i_bsu - p_sys->i_bsut : 0x00;
......@@ -557,7 +558,54 @@ static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
&& p_v[i] < vmax
&& p_v[i] > vmin )
{
p_a[i] = 0x00;
p_at[i] = 0x00;
}
else
{
p_at[i] = 0xff;
}
}
/* Gaussian convolution to make it look cleaner */
memset( p_a, 0, 2 * i_pitch );
for( i = 2; i < i_lines - 2; i++ )
{
p_a[i*i_pitch] = 0x00;
p_a[i*i_pitch+1] = 0x00;
for( j = 2; j < i_pitch - 2; j ++ )
{
p_a[i*i_pitch+j] = (uint8_t)((
/* 2 rows up */
( p_at[(i-2)*i_pitch+j-2]<<1 )
+ ( p_at[(i-2)*i_pitch+j-1]<<2 )
+ ( p_at[(i-2)*i_pitch+j]<<2 )
+ ( p_at[(i-2)*i_pitch+j+1]<<2 )
+ ( p_at[(i-2)*i_pitch+j+2]<<1 )
/* 1 row up */
+ ( p_at[(i-1)*i_pitch+j-1]<<3 )
+ ( p_at[(i-1)*i_pitch+j-2]<<2 )
+ ( p_at[(i-1)*i_pitch+j]*12 )
+ ( p_at[(i-1)*i_pitch+j+1]<<3 )
+ ( p_at[(i-1)*i_pitch+j+2]<<2 )
/* */
+ ( p_at[i*i_pitch+j-2]<<2 )
+ ( p_at[i*i_pitch+j-1]*12 )
+ ( p_at[i*i_pitch+j]<<4 )
+ ( p_at[i*i_pitch+j+1]*12 )
+ ( p_at[i*i_pitch+j+2]<<2 )
/* 1 row down */
+ ( p_at[(i+1)*i_pitch+j-2]<<2 )
+ ( p_at[(i+1)*i_pitch+j-1]<<3 )
+ ( p_at[(i+1)*i_pitch+j]*12 )
+ ( p_at[(i+1)*i_pitch+j+1]<<3 )
+ ( p_at[(i+1)*i_pitch+j+2]<<2 )
/* 2 rows down */
+ ( p_at[(i+2)*i_pitch+j-2]<<1 )
+ ( p_at[(i+2)*i_pitch+j-1]<<2 )
+ ( p_at[(i+2)*i_pitch+j]<<2 )
+ ( p_at[(i+2)*i_pitch+j+1]<<2 )
+ ( p_at[(i+2)*i_pitch+j+2]<<1 )
)/152);
if( p_a[i*i_pitch+j] < 0xbf ) p_a[i*i_pitch+j] = 0x00;
}
}
}
......
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