/**
* This function filter a picture
*/
static int Filter( video_splitter_t *p_splitter,
picture_t *pp_dst[], picture_t *p_src )
{
if( video_splitter_NewPicture( p_splitter, pp_dst ) )
{
picture_Release( p_src );
return VLC_EGENERIC;
}
for( int i = 0; i < p_splitter->i_output; i++ )
picture_Copy( pp_dst[i], p_src );
picture_Release( p_src );
return VLC_SUCCESS;
}
static int Filter( video_splitter_t *p_splitter, picture_t *pp_dst[], picture_t *p_src )
{
video_splitter_sys_t *p_sys = p_splitter->p_sys;
if( video_splitter_NewPicture( p_splitter, pp_dst ) )
{
picture_Release( p_src );
return VLC_EGENERIC;
}
for( int y = 0; y < p_sys->i_row; y++ )
{
for( int x = 0; x < p_sys->i_col; x++ )
{
wall_output_t *p_output = &p_sys->pp_output[x][y];
if( !p_output->b_active )
continue;
picture_t *p_dst = pp_dst[p_output->i_output];
/* */
picture_t tmp = *p_src;
for( int i = 0; i < tmp.i_planes; i++ )
{
plane_t *p0 = &tmp.p[0];
plane_t *p = &tmp.p[i];
const int i_y = p_output->i_top * p->i_visible_pitch / p0->i_visible_pitch;
const int i_x = p_output->i_left * p->i_visible_lines / p0->i_visible_lines;
p->p_pixels += i_y * p->i_pitch + ( i_x - (i_x % p->i_pixel_pitch));
}
picture_Copy( p_dst, &tmp );
}
}
picture_Release( p_src );
return VLC_SUCCESS;
}
/**
* It creates multiples pictures from the source one
*/
static int Filter( video_splitter_t *p_splitter, picture_t *pp_dst[], picture_t *p_src )
{
video_splitter_sys_t *p_sys = p_splitter->p_sys;
if( video_splitter_NewPicture( p_splitter, pp_dst ) )
{
picture_Release( p_src );
return VLC_EGENERIC;
}
for( int y = 0; y < p_sys->i_row; y++ )
{
for( int x = 0; x < p_sys->i_col; x++ )
{
const panoramix_output_t *p_output = &p_sys->pp_output[x][y];
if( !p_output->b_active )
continue;
/* */
picture_t *p_dst = pp_dst[p_output->i_output];
/* */
picture_CopyProperties( p_dst, p_src );
/* */
for( int i_plane = 0; i_plane < p_src->i_planes; i_plane++ )
{
const int i_div_w = p_sys->p_chroma->pi_div_w[i_plane];
const int i_div_h = p_sys->p_chroma->pi_div_h[i_plane];
if( !i_div_w || !i_div_h )
continue;
const plane_t *p_srcp = &p_src->p[i_plane];
const plane_t *p_dstp = &p_dst->p[i_plane];
/* */
panoramix_filter_t filter;
filter.black.i_right = p_output->filter.black.i_right / i_div_w;
filter.black.i_left = p_output->filter.black.i_left / i_div_w;
filter.black.i_top = p_output->filter.black.i_top / i_div_h;
filter.black.i_bottom = p_output->filter.black.i_bottom / i_div_h;
filter.attenuate.i_right = p_output->filter.attenuate.i_right / i_div_w;
filter.attenuate.i_left = p_output->filter.attenuate.i_left / i_div_w;
filter.attenuate.i_top = p_output->filter.attenuate.i_top / i_div_h;
filter.attenuate.i_bottom = p_output->filter.attenuate.i_bottom / i_div_h;
/* */
const int i_x = p_output->i_src_x/i_div_w;
const int i_y = p_output->i_src_y/i_div_h;
assert( p_sys->p_chroma->b_planar );
FilterPlanar( p_dstp->p_pixels, p_dstp->i_pitch,
&p_srcp->p_pixels[i_y * p_srcp->i_pitch + i_x * p_srcp->i_pixel_pitch], p_srcp->i_pitch,
p_output->i_src_width/i_div_w, p_output->i_src_height/i_div_h,
p_sys->p_chroma->pi_black[i_plane],
&filter,
p_sys->p_lut[i_plane],
p_sys->lambdav[i_plane],
p_sys->lambdah[i_plane] );
}
}
}
picture_Release( p_src );
return VLC_SUCCESS;
}
