static void FilterI422( vout_thread_t *p_vout,
const picture_t *p_pic, picture_t *p_outpic )
{
int i_index;
switch( p_vout->p_sys->i_mode )
{
case TRANSFORM_MODE_180:
case TRANSFORM_MODE_HFLIP:
case TRANSFORM_MODE_VFLIP:
/* Fall back on the default implementation */
FilterPlanar( p_vout, p_pic, p_outpic );
return;
case TRANSFORM_MODE_90:
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
int i_pitch = p_pic->p[i_index].i_pitch;
uint8_t *p_in = p_pic->p[i_index].p_pixels;
uint8_t *p_out = p_outpic->p[i_index].p_pixels;
uint8_t *p_out_end = p_out +
p_outpic->p[i_index].i_visible_lines *
p_outpic->p[i_index].i_pitch;
if( i_index == 0 )
{
for( ; p_out < p_out_end ; )
{
uint8_t *p_line_end;
p_out_end -= p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
p_line_end = p_in + p_pic->p[i_index].i_visible_lines *
i_pitch;
for( ; p_in < p_line_end ; )
{
p_line_end -= i_pitch;
*(--p_out_end) = *p_line_end;
}
p_in++;
}
}
else /* i_index == 1 or 2 */
{
for( ; p_out < p_out_end ; )
{
uint8_t *p_line_end, *p_out_end2;
p_out_end -= p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
p_out_end2 = p_out_end - p_outpic->p[i_index].i_pitch;
p_line_end = p_in + p_pic->p[i_index].i_visible_lines *
i_pitch;
for( ; p_in < p_line_end ; )
{
uint8_t p1, p2;
p_line_end -= i_pitch;
p1 = *p_line_end;
p_line_end -= i_pitch;
p2 = *p_line_end;
/* Trick for (x+y)/2 without overflow, based on
* x + y == (x ^ y) + 2 * (x & y) */
*(--p_out_end) = (p1 & p2) + ((p1 ^ p2) / 2);
*(--p_out_end2) = (p1 & p2) + ((p1 ^ p2) / 2);
}
p_out_end = p_out_end2;
p_in++;
}
}
}
break;
case TRANSFORM_MODE_270:
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
int i_pitch = p_pic->p[i_index].i_pitch;
uint8_t *p_in = p_pic->p[i_index].p_pixels;
uint8_t *p_out = p_outpic->p[i_index].p_pixels;
uint8_t *p_out_end = p_out +
p_outpic->p[i_index].i_visible_lines *
p_outpic->p[i_index].i_pitch;
if( i_index == 0 )
{
for( ; p_out < p_out_end ; )
{
uint8_t *p_in_end;
p_in_end = p_in + p_pic->p[i_index].i_visible_lines *
i_pitch;
for( ; p_in < p_in_end ; )
{
p_in_end -= i_pitch;
*p_out++ = *p_in_end;
}
p_out += p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
p_in++;
}
}
else /* i_index == 1 or 2 */
{
for( ; p_out < p_out_end ; )
{
uint8_t *p_in_end, *p_out2;
p_in_end = p_in + p_pic->p[i_index].i_visible_lines *
i_pitch;
p_out2 = p_out + p_outpic->p[i_index].i_pitch;
for( ; p_in < p_in_end ; )
{
uint8_t p1, p2;
p_in_end -= i_pitch;
p1 = *p_in_end;
p_in_end -= i_pitch;
p2 = *p_in_end;
/* Trick for (x+y)/2 without overflow, based on
* x + y == (x ^ y) + 2 * (x & y) */
*p_out++ = (p1 & p2) + ((p1 ^ p2) / 2);
*p_out2++ = (p1 & p2) + ((p1 ^ p2) / 2);
}
p_out2 += p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
p_out = p_out2;
p_in++;
}
}
}
break;
default:
break;
}
}
static void FilterYUYV( vout_thread_t *p_vout,
const picture_t *p_pic, picture_t *p_outpic )
{
int i_index;
int i_y_offset, i_u_offset, i_v_offset;
if( GetPackedYuvOffsets( p_pic->format.i_chroma, &i_y_offset,
&i_u_offset, &i_v_offset ) != VLC_SUCCESS )
return;
switch( p_vout->p_sys->i_mode )
{
case TRANSFORM_MODE_VFLIP:
/* Fall back on the default implementation */
FilterPlanar( p_vout, p_pic, p_outpic );
return;
case TRANSFORM_MODE_90:
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
int i_pitch = p_pic->p[i_index].i_pitch;
uint8_t *p_in = p_pic->p[i_index].p_pixels;
uint8_t *p_out = p_outpic->p[i_index].p_pixels;
uint8_t *p_out_end = p_out +
p_outpic->p[i_index].i_visible_lines *
p_outpic->p[i_index].i_pitch;
int i_offset = i_u_offset;
int i_offset2 = i_v_offset;
for( ; p_out < p_out_end ; )
{
uint8_t *p_line_end;
p_out_end -= p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
p_line_end = p_in + p_pic->p[i_index].i_visible_lines *
i_pitch;
for( ; p_in < p_line_end ; )
{
p_line_end -= i_pitch;
p_out_end -= 4;
p_out_end[i_y_offset+2] = p_line_end[i_y_offset];
p_out_end[i_u_offset] = p_line_end[i_offset];
p_line_end -= i_pitch;
p_out_end[i_y_offset] = p_line_end[i_y_offset];
p_out_end[i_v_offset] = p_line_end[i_offset2];
}
p_in += 2;
{
int a = i_offset;
i_offset = i_offset2;
i_offset2 = a;
}
}
}
break;
case TRANSFORM_MODE_180:
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
uint8_t *p_in = p_pic->p[i_index].p_pixels;
uint8_t *p_in_end = p_in + p_pic->p[i_index].i_visible_lines
* p_pic->p[i_index].i_pitch;
uint8_t *p_out = p_outpic->p[i_index].p_pixels;
for( ; p_in < p_in_end ; )
{
uint8_t *p_line_start = p_in_end
- p_pic->p[i_index].i_pitch;
p_in_end -= p_pic->p[i_index].i_pitch
- p_pic->p[i_index].i_visible_pitch;
for( ; p_line_start < p_in_end ; )
{
p_in_end -= 4;
p_out[i_y_offset] = p_in_end[i_y_offset+2];
p_out[i_u_offset] = p_in_end[i_u_offset];
p_out[i_y_offset+2] = p_in_end[i_y_offset];
p_out[i_v_offset] = p_in_end[i_v_offset];
p_out += 4;
}
p_out += p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
}
}
break;
case TRANSFORM_MODE_270:
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
int i_pitch = p_pic->p[i_index].i_pitch;
uint8_t *p_in = p_pic->p[i_index].p_pixels;
uint8_t *p_out = p_outpic->p[i_index].p_pixels;
uint8_t *p_out_end = p_out +
p_outpic->p[i_index].i_visible_lines *
p_outpic->p[i_index].i_pitch;
int i_offset = i_u_offset;
int i_offset2 = i_v_offset;
for( ; p_out < p_out_end ; )
{
uint8_t *p_in_end;
p_in_end = p_in
+ p_pic->p[i_index].i_visible_lines * i_pitch;
for( ; p_in < p_in_end ; )
{
p_in_end -= i_pitch;
p_out[i_y_offset] = p_in_end[i_y_offset];
p_out[i_u_offset] = p_in_end[i_offset];
p_in_end -= i_pitch;
p_out[i_y_offset+2] = p_in_end[i_y_offset];
p_out[i_v_offset] = p_in_end[i_offset2];
p_out += 4;
}
p_out += p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
p_in += 2;
{
int a = i_offset;
i_offset = i_offset2;
i_offset2 = a;
}
}
}
break;
case TRANSFORM_MODE_HFLIP:
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
uint8_t *p_in = p_pic->p[i_index].p_pixels;
uint8_t *p_in_end = p_in + p_pic->p[i_index].i_visible_lines
* p_pic->p[i_index].i_pitch;
uint8_t *p_out = p_outpic->p[i_index].p_pixels;
for( ; p_in < p_in_end ; )
{
uint8_t *p_line_end = p_in
+ p_pic->p[i_index].i_visible_pitch;
for( ; p_in < p_line_end ; )
{
p_line_end -= 4;
p_out[i_y_offset] = p_line_end[i_y_offset+2];
p_out[i_u_offset] = p_line_end[i_u_offset];
p_out[i_y_offset+2] = p_line_end[i_y_offset];
p_out[i_v_offset] = p_line_end[i_v_offset];
p_out += 4;
}
p_in += p_pic->p[i_index].i_pitch;
p_out += p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
}
}
break;
default:
break;
}
}
/**
* 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;
}
