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Commit af034357 authored by Laurent Aimar's avatar Laurent Aimar
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Begin clean up of giant blend ctl-c ctl-v.

parent 2b7961e1
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Showing with 133 additions and 499 deletions
modules/video_filter/blend.c
View file @ af034357
...@@ -321,6 +321,19 @@ static inline uint8_t vlc_uint8( int v ) ...@@ -321,6 +321,19 @@ static inline uint8_t vlc_uint8( int v )
return v; return v;
} }
#define MAX_TRANS 255
#define TRANS_BITS 8
static inline int vlc_blend( int v1, int v2, int a )
{
/* TODO bench if the tests really increase speed */
if( a == 0 )
return v2;
else if( a == MAX_TRANS )
return v1;
return ( v1 * a + v2 * (MAX_TRANS - a ) ) >> TRANS_BITS;
}
static inline void yuv_to_rgb( int *r, int *g, int *b, static inline void yuv_to_rgb( int *r, int *g, int *b,
uint8_t y1, uint8_t u1, uint8_t v1 ) uint8_t y1, uint8_t u1, uint8_t v1 )
{ {
...@@ -413,9 +426,6 @@ static void BlendI420( filter_t *p_filter, picture_t *p_dst, ...@@ -413,9 +426,6 @@ static void BlendI420( filter_t *p_filter, picture_t *p_dst,
p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_x_offset +
p_src->p[A_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset; p_src->p[A_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset;
#define MAX_TRANS 255
#define TRANS_BITS 8
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++, p_trans += i_src2_pitch, for( i_y = 0; i_y < i_height; i_y++, p_trans += i_src2_pitch,
p_dst_y += i_dst_pitch, p_src1_y += i_src1_pitch, p_dst_y += i_dst_pitch, p_src1_y += i_src1_pitch,
...@@ -434,45 +444,19 @@ static void BlendI420( filter_t *p_filter, picture_t *p_dst, ...@@ -434,45 +444,19 @@ static void BlendI420( filter_t *p_filter, picture_t *p_dst,
{ {
if( p_trans ) if( p_trans )
i_trans = ( p_trans[i_x] * i_alpha ) / 255; i_trans = ( p_trans[i_x] * i_alpha ) / 255;
if( !i_trans )
{
/* Completely transparent. Don't change pixel */
continue;
}
else if( i_trans == MAX_TRANS )
{
/* Completely opaque. Completely overwrite underlying pixel */
p_dst_y[i_x] = p_src2_y[i_x];
if( b_even_scanline && i_x % 2 == 0 ) if( !i_trans )
{
p_dst_u[i_x/2] = p_src2_u[i_x];
p_dst_v[i_x/2] = p_src2_v[i_x];
}
continue; continue;
}
/* Blending */ /* Blending */
p_dst_y[i_x] = ( (uint16_t)p_src2_y[i_x] * i_trans + p_dst_y[i_x] = vlc_blend( p_src2_y[i_x], p_src1_y[i_x], i_trans );
(uint16_t)p_src1_y[i_x] * (MAX_TRANS - i_trans) )
>> TRANS_BITS;
if( b_even_scanline && i_x % 2 == 0 ) if( b_even_scanline && i_x % 2 == 0 )
{ {
p_dst_u[i_x/2] = ( (uint16_t)p_src2_u[i_x] * i_trans + p_dst_u[i_x/2] = vlc_blend( p_src2_u[i_x], p_src1_u[i_x/2], i_trans );
(uint16_t)p_src1_u[i_x/2] * (MAX_TRANS - i_trans) ) p_dst_v[i_x/2] = vlc_blend( p_src2_v[i_x], p_src1_v[i_x/2], i_trans );
>> TRANS_BITS;
p_dst_v[i_x/2] = ( (uint16_t)p_src2_v[i_x] * i_trans +
(uint16_t)p_src1_v[i_x/2] * (MAX_TRANS - i_trans) )
>> TRANS_BITS;
} }
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
static void BlendR16( filter_t *p_filter, picture_t *p_dst_pic, static void BlendR16( filter_t *p_filter, picture_t *p_dst_pic,
...@@ -515,9 +499,6 @@ static void BlendR16( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -515,9 +499,6 @@ static void BlendR16( filter_t *p_filter, picture_t *p_dst_pic,
p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_x_offset +
p_src->p[A_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset; p_src->p[A_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset;
#define MAX_TRANS 255
#define TRANS_BITS 8
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++, p_trans += i_src2_pitch, for( i_y = 0; i_y < i_height; i_y++, p_trans += i_src2_pitch,
p_dst += i_dst_pitch, p_src1 += i_src1_pitch, p_dst += i_dst_pitch, p_src1 += i_src1_pitch,
...@@ -530,33 +511,17 @@ static void BlendR16( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -530,33 +511,17 @@ static void BlendR16( filter_t *p_filter, picture_t *p_dst_pic,
if( p_trans ) if( p_trans )
i_trans = ( p_trans[i_x] * i_alpha ) / 255; i_trans = ( p_trans[i_x] * i_alpha ) / 255;
if( !i_trans ) if( !i_trans )
{
/* Completely transparent. Don't change pixel */
continue;
}
else if( i_trans == MAX_TRANS )
{
/* Completely opaque. Completely overwrite underlying pixel */
yuv_to_rgb( &r, &g, &b,
p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] );
((uint16_t *)(&p_dst[i_x * i_pix_pitch]))[0] = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
continue; continue;
}
/* Blending */ /* Blending */
/* FIXME: do the blending */ /* FIXME: do the blending
* FIXME use rgb shift (when present) */
yuv_to_rgb( &r, &g, &b, yuv_to_rgb( &r, &g, &b,
p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] ); p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] );
((uint16_t *)(&p_dst[i_x * i_pix_pitch]))[0] = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3); ((uint16_t *)(&p_dst[i_x * i_pix_pitch]))[0] = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic, static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic,
...@@ -599,9 +564,6 @@ static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -599,9 +564,6 @@ static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic,
p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_x_offset +
p_src->p[A_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset; p_src->p[A_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset;
#define MAX_TRANS 255
#define TRANS_BITS 8
if( (i_pix_pitch == 4) if( (i_pix_pitch == 4)
&& (((((intptr_t)p_dst)|((intptr_t)p_src1)|i_dst_pitch|i_src1_pitch) && (((((intptr_t)p_dst)|((intptr_t)p_src1)|i_dst_pitch|i_src1_pitch)
& 3) == 0) ) & 3) == 0) )
...@@ -668,19 +630,17 @@ static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -668,19 +630,17 @@ static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic,
if( p_trans ) if( p_trans )
i_trans = ( p_trans[i_x] * i_alpha ) / 255; i_trans = ( p_trans[i_x] * i_alpha ) / 255;
if( !i_trans ) if( !i_trans )
{
/* Completely transparent. Don't change pixel */
continue; continue;
}
else if( i_trans == MAX_TRANS ) if( i_trans == MAX_TRANS )
{ {
/* Completely opaque. Completely overwrite underlying pixel */ /* Completely opaque. Completely overwrite underlying pixel */
yuv_to_rgb( &r, &g, &b, yuv_to_rgb( &r, &g, &b,
p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] ); p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] );
p32_dst[i_x] = (r<<i_rshift) p32_dst[i_x] = (r<<i_rshift) |
+ (g<<i_gshift) (g<<i_gshift) |
+ (b<<i_bshift); (b<<i_bshift);
} }
else else
{ {
...@@ -689,15 +649,9 @@ static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -689,15 +649,9 @@ static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic,
yuv_to_rgb( &r, &g, &b, yuv_to_rgb( &r, &g, &b,
p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] ); p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] );
p32_dst[i_x] = ( ( r * i_trans + p32_dst[i_x] = ( vlc_blend( r, (i_pix_src1 & i_rmask)>>i_rshift, i_trans ) << i_rshift ) |
(uint16_t)((i_pix_src1 & i_rmask)>>i_rshift) * ( vlc_blend( g, (i_pix_src1 & i_gmask)>>i_gshift, i_trans ) << i_gshift ) |
(MAX_TRANS - i_trans) ) >> TRANS_BITS) << i_rshift ( vlc_blend( b, (i_pix_src1 & i_bmask)>>i_bshift, i_trans ) << i_bshift );
| ( ( g * i_trans +
(uint16_t)((i_pix_src1 & i_gmask)>>i_gshift) *
(MAX_TRANS - i_trans) ) >> TRANS_BITS) << i_gshift
| ( ( b * i_trans +
(uint16_t)((i_pix_src1 & i_bmask)>>i_bshift) *
(MAX_TRANS - i_trans) ) >> TRANS_BITS) << i_bshift;
} }
} }
} }
...@@ -752,13 +706,9 @@ static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -752,13 +706,9 @@ static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic,
if( p_trans ) if( p_trans )
i_trans = ( p_trans[i_x] * i_alpha ) / 255; i_trans = ( p_trans[i_x] * i_alpha ) / 255;
if( !i_trans ) if( !i_trans )
{
/* Completely transparent. Don't change pixel */
continue; continue;
}
else const int i_pos = i_x * i_pix_pitch;
{
int i_pos = i_x * i_pix_pitch;
if( i_trans == MAX_TRANS ) if( i_trans == MAX_TRANS )
{ {
...@@ -780,25 +730,13 @@ static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -780,25 +730,13 @@ static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic,
yuv_to_rgb( &r, &g, &b, yuv_to_rgb( &r, &g, &b,
p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] ); p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] );
p_dst[i_rpos] = ( r * i_trans + p_dst[i_rpos] = vlc_blend( r, p_src1[i_rpos], i_trans );
(uint16_t)p_src1[i_rpos] * p_dst[i_gpos] = vlc_blend( g, p_src1[i_gpos], i_trans );
(MAX_TRANS - i_trans) ) >> TRANS_BITS; p_dst[i_bpos] = vlc_blend( b, p_src1[i_gpos], i_trans );
p_dst[i_gpos] = ( r * i_trans +
(uint16_t)p_src1[i_gpos] *
(MAX_TRANS - i_trans) ) >> TRANS_BITS;
p_dst[i_bpos] = ( r * i_trans +
(uint16_t)p_src1[i_gpos] *
(MAX_TRANS - i_trans) ) >> TRANS_BITS;
} }
} }
} }
} }
}
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
...@@ -863,9 +801,6 @@ static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -863,9 +801,6 @@ static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
i_width = (i_width >> 1) << 1; /* Needs to be a multiple of 2 */ i_width = (i_width >> 1) << 1; /* Needs to be a multiple of 2 */
#define MAX_TRANS 255
#define TRANS_BITS 8
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++, p_trans += i_src2_pitch, for( i_y = 0; i_y < i_height; i_y++, p_trans += i_src2_pitch,
p_dst += i_dst_pitch, p_src1 += i_src1_pitch, p_dst += i_dst_pitch, p_src1 += i_src1_pitch,
...@@ -877,39 +812,15 @@ static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -877,39 +812,15 @@ static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
{ {
i_trans = ( p_trans[i_x] * i_alpha ) / 255; i_trans = ( p_trans[i_x] * i_alpha ) / 255;
if( !i_trans ) if( !i_trans )
{ continue;
/* Completely transparent. Don't change pixel */
}
else if( i_trans == MAX_TRANS )
{
/* Completely opaque. Completely overwrite underlying pixel */
p_dst[i_x * 2 + i_l_offset] = p_src2_y[i_x];
if( b_even )
{
if( p_trans[i_x+1] > 0xaa )
{
p_dst[i_x * 2 + i_u_offset] = (p_src2_u[i_x]+p_src2_u[i_x+1])>>1;
p_dst[i_x * 2 + i_v_offset] = (p_src2_v[i_x]+p_src2_v[i_x+1])>>1;
}
else
{
p_dst[i_x * 2 + i_u_offset] = p_src2_u[i_x];
p_dst[i_x * 2 + i_v_offset] = p_src2_v[i_x];
}
}
}
else
{
/* Blending */ /* Blending */
p_dst[i_x * 2 + i_l_offset] = ( (uint16_t)p_src2_y[i_x] * i_trans + p_dst[i_x * 2 + i_l_offset] = vlc_blend( p_src2_y[i_x], p_src1[i_x * 2 + i_l_offset], i_trans );
(uint16_t)p_src1[i_x * 2 + i_l_offset] * (MAX_TRANS - i_trans) )
>> TRANS_BITS;
if( b_even ) if( b_even )
{ {
uint16_t i_u = 0; int i_u;
uint16_t i_v = 0; int i_v;
/* FIXME what's with 0xaa ? */
if( p_trans[i_x+1] > 0xaa ) if( p_trans[i_x+1] > 0xaa )
{ {
i_u = (p_src2_u[i_x]+p_src2_u[i_x+1])>>1; i_u = (p_src2_u[i_x]+p_src2_u[i_x+1])>>1;
...@@ -920,21 +831,11 @@ static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -920,21 +831,11 @@ static void BlendYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
i_u = p_src2_u[i_x]; i_u = p_src2_u[i_x];
i_v = p_src2_v[i_x]; i_v = p_src2_v[i_x];
} }
p_dst[i_x * 2 + i_u_offset] = ( (uint16_t)i_u * i_trans + p_dst[i_x * 2 + i_u_offset] = vlc_blend( i_u, p_src1[i_x * 2 + i_u_offset], i_trans );
(uint16_t)p_src1[i_x * 2 + i_u_offset] * (MAX_TRANS - i_trans) ) p_dst[i_x * 2 + i_v_offset] = vlc_blend( i_v, p_src1[i_x * 2 + i_v_offset], i_trans );
>> TRANS_BITS;
p_dst[i_x * 2 + i_v_offset] = ( (uint16_t)i_v * i_trans +
(uint16_t)p_src1[i_x * 2 + i_v_offset] * (MAX_TRANS - i_trans) )
>> TRANS_BITS;
}
} }
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
/*********************************************************************** /***********************************************************************
* I420, YV12 * I420, YV12
...@@ -990,9 +891,6 @@ static void BlendI420I420( filter_t *p_filter, picture_t *p_dst, ...@@ -990,9 +891,6 @@ static void BlendI420I420( filter_t *p_filter, picture_t *p_dst,
p_filter->fmt_in.video.i_x_offset/2 + p_filter->fmt_in.video.i_x_offset/2 +
p_src->p[V_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset/2; p_src->p[V_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset/2;
#define MAX_TRANS 255
#define TRANS_BITS 8
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++, for( i_y = 0; i_y < i_height; i_y++,
p_dst_y += i_dst_pitch, p_src1_y += i_src1_pitch, p_dst_y += i_dst_pitch, p_src1_y += i_src1_pitch,
...@@ -1010,32 +908,15 @@ static void BlendI420I420( filter_t *p_filter, picture_t *p_dst, ...@@ -1010,32 +908,15 @@ static void BlendI420I420( filter_t *p_filter, picture_t *p_dst,
/* Draw until we reach the end of the line */ /* Draw until we reach the end of the line */
for( i_x = 0; i_x < i_width; i_x++ ) for( i_x = 0; i_x < i_width; i_x++ )
{ {
if( i_alpha == MAX_TRANS ) if( !i_alpha )
{
/* Completely opaque. Completely overwrite underlying pixel */
p_dst_y[i_x] = p_src2_y[i_x];
if( b_even_scanline && i_x % 2 == 0 )
{
p_dst_u[i_x/2] = p_src2_u[i_x/2];
p_dst_v[i_x/2] = p_src2_v[i_x/2];
}
continue; continue;
}
/* Blending */ /* Blending */
p_dst_y[i_x] = ( (uint16_t)p_src2_y[i_x] * i_alpha + p_dst_y[i_x] = vlc_blend( p_src2_y[i_x], p_src1_y[i_x], i_alpha );
(uint16_t)p_src1_y[i_x] * (MAX_TRANS - i_alpha) )
>> TRANS_BITS;
if( b_even_scanline && i_x % 2 == 0 ) if( b_even_scanline && i_x % 2 == 0 )
{ {
p_dst_u[i_x/2] = ( (uint16_t)p_src2_u[i_x/2] * i_alpha + p_dst_u[i_x/2] = vlc_blend( p_src2_u[i_x/2], p_src1_u[i_x/2], i_alpha );
(uint16_t)p_src1_u[i_x/2] * (MAX_TRANS - i_alpha) ) p_dst_v[i_x/2] = vlc_blend( p_src2_v[i_x/2], p_src1_v[i_x/2], i_alpha );
>> TRANS_BITS;
p_dst_v[i_x/2] = ( (uint16_t)p_src2_v[i_x/2] * i_alpha +
(uint16_t)p_src1_v[i_x/2] * (MAX_TRANS - i_alpha) )
>> TRANS_BITS;
} }
} }
if( i_y%2 == 1 ) if( i_y%2 == 1 )
...@@ -1044,11 +925,6 @@ static void BlendI420I420( filter_t *p_filter, picture_t *p_dst, ...@@ -1044,11 +925,6 @@ static void BlendI420I420( filter_t *p_filter, picture_t *p_dst,
p_src2_v += i_src2_pitch/2; p_src2_v += i_src2_pitch/2;
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
static void BlendI420I420_no_alpha( filter_t *p_filter, picture_t *p_dst, static void BlendI420I420_no_alpha( filter_t *p_filter, picture_t *p_dst,
picture_t *p_dst_orig, picture_t *p_src, picture_t *p_dst_orig, picture_t *p_src,
...@@ -1168,9 +1044,6 @@ static void BlendI420R16( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1168,9 +1044,6 @@ static void BlendI420R16( filter_t *p_filter, picture_t *p_dst_pic,
p_filter->fmt_in.video.i_x_offset/2 + p_filter->fmt_in.video.i_x_offset/2 +
p_src->p[V_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset/2; p_src->p[V_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset/2;
#define MAX_TRANS 255
#define TRANS_BITS 8
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++, for( i_y = 0; i_y < i_height; i_y++,
p_dst += i_dst_pitch, p_src1 += i_src1_pitch, p_dst += i_dst_pitch, p_src1 += i_src1_pitch,
...@@ -1190,7 +1063,8 @@ static void BlendI420R16( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1190,7 +1063,8 @@ static void BlendI420R16( filter_t *p_filter, picture_t *p_dst_pic,
} }
/* Blending */ /* Blending */
/* FIXME: do the blending */ /* FIXME: do the blending
* FIXME use rgb shifts */
yuv_to_rgb( &r, &g, &b, yuv_to_rgb( &r, &g, &b,
p_src2_y[i_x], p_src2_u[i_x/2], p_src2_v[i_x/2] ); p_src2_y[i_x], p_src2_u[i_x/2], p_src2_v[i_x/2] );
...@@ -1202,11 +1076,6 @@ static void BlendI420R16( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1202,11 +1076,6 @@ static void BlendI420R16( filter_t *p_filter, picture_t *p_dst_pic,
p_src2_v += i_src2_pitch/2; p_src2_v += i_src2_pitch/2;
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
static void BlendI420R24( filter_t *p_filter, picture_t *p_dst_pic, static void BlendI420R24( filter_t *p_filter, picture_t *p_dst_pic,
...@@ -1244,9 +1113,6 @@ static void BlendI420R24( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1244,9 +1113,6 @@ static void BlendI420R24( filter_t *p_filter, picture_t *p_dst_pic,
p_filter->fmt_in.video.i_x_offset/2 + p_filter->fmt_in.video.i_x_offset/2 +
p_src->p[V_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset/2; p_src->p[V_PLANE].i_pitch * p_filter->fmt_in.video.i_y_offset/2;
#define MAX_TRANS 255
#define TRANS_BITS 8
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++, for( i_y = 0; i_y < i_height; i_y++,
p_dst += i_dst_pitch, p_src1 += i_src1_pitch, p_dst += i_dst_pitch, p_src1 += i_src1_pitch,
...@@ -1256,31 +1122,16 @@ static void BlendI420R24( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1256,31 +1122,16 @@ static void BlendI420R24( filter_t *p_filter, picture_t *p_dst_pic,
/* Draw until we reach the end of the line */ /* Draw until we reach the end of the line */
for( i_x = 0; i_x < i_width; i_x++ ) for( i_x = 0; i_x < i_width; i_x++ )
{ {
if( i_alpha == MAX_TRANS ) if( !i_alpha )
{
/* Completely opaque. Completely overwrite underlying pixel */
yuv_to_rgb( &r, &g, &b,
p_src2_y[i_x], p_src2_u[i_x/2], p_src2_v[i_x/2] );
p_dst[i_x * i_pix_pitch] = r;
p_dst[i_x * i_pix_pitch + 1] = g;
p_dst[i_x * i_pix_pitch + 2] = b;
continue; continue;
}
/* Blending */ /* Blending */
yuv_to_rgb( &r, &g, &b, yuv_to_rgb( &r, &g, &b,
p_src2_y[i_x], p_src2_u[i_x/2], p_src2_v[i_x/2] ); p_src2_y[i_x], p_src2_u[i_x/2], p_src2_v[i_x/2] );
p_dst[i_x * i_pix_pitch] = ( r * i_alpha + p_dst[i_x * i_pix_pitch + 0] = vlc_blend( r, p_src1[i_x * i_pix_pitch + 0], i_alpha );
(uint16_t)p_src1[i_x * i_pix_pitch] * p_dst[i_x * i_pix_pitch + 1] = vlc_blend( g, p_src1[i_x * i_pix_pitch + 1], i_alpha );
(MAX_TRANS - i_alpha) ) >> TRANS_BITS; p_dst[i_x * i_pix_pitch + 2] = vlc_blend( b, p_src1[i_x * i_pix_pitch + 2], i_alpha );
p_dst[i_x * i_pix_pitch + 1] = ( g * i_alpha +
(uint16_t)p_src1[i_x * i_pix_pitch + 1] *
(MAX_TRANS - i_alpha) ) >> TRANS_BITS;
p_dst[i_x * i_pix_pitch + 2] = ( b * i_alpha +
(uint16_t)p_src1[i_x * i_pix_pitch + 2] *
(MAX_TRANS - i_alpha) ) >> TRANS_BITS;
} }
if( i_y%2 == 1 ) if( i_y%2 == 1 )
{ {
...@@ -1288,11 +1139,6 @@ static void BlendI420R24( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1288,11 +1139,6 @@ static void BlendI420R24( filter_t *p_filter, picture_t *p_dst_pic,
p_src2_v += i_src2_pitch/2; p_src2_v += i_src2_pitch/2;
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
static void BlendI420YUVPacked( filter_t *p_filter, picture_t *p_dst_pic, static void BlendI420YUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
...@@ -1352,9 +1198,6 @@ static void BlendI420YUVPacked( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1352,9 +1198,6 @@ static void BlendI420YUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
i_width &= ~1; /* Needs to be a multiple of 2 */ i_width &= ~1; /* Needs to be a multiple of 2 */
#define MAX_TRANS 255
#define TRANS_BITS 8
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++, for( i_y = 0; i_y < i_height; i_y++,
p_dst += i_dst_pitch, p_src1 += i_src1_pitch, p_dst += i_dst_pitch, p_src1 += i_src1_pitch,
...@@ -1364,35 +1207,17 @@ static void BlendI420YUVPacked( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1364,35 +1207,17 @@ static void BlendI420YUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
/* Draw until we reach the end of the line */ /* Draw until we reach the end of the line */
for( i_x = 0; i_x < i_width; i_x++, b_even = !b_even ) for( i_x = 0; i_x < i_width; i_x++, b_even = !b_even )
{ {
if( i_alpha == MAX_TRANS ) if( !i_alpha )
{ continue;
/* Completely opaque. Completely overwrite underlying pixel */
p_dst[i_x * 2 + i_l_offset] = p_src2_y[i_x];
if( b_even )
{
p_dst[i_x * 2 + i_u_offset] = p_src2_u[i_x/2];
p_dst[i_x * 2 + i_v_offset] = p_src2_v[i_x/2];
}
}
else
{
/* Blending */ /* Blending */
p_dst[i_x * 2 + i_l_offset] = ( (uint16_t)p_src2_y[i_x] * i_alpha + p_dst[i_x * 2 + i_l_offset] = vlc_blend( p_src2_y[i_x], p_src1[i_x * 2 + i_l_offset], i_alpha );
(uint16_t)p_src1[i_x * 2 + i_l_offset] * (MAX_TRANS - i_alpha) )
>> TRANS_BITS;
if( b_even ) if( b_even )
{ {
uint16_t i_u = p_src2_u[i_x/2]; uint16_t i_u = p_src2_u[i_x/2];
uint16_t i_v = p_src2_v[i_x/2]; uint16_t i_v = p_src2_v[i_x/2];
p_dst[i_x * 2 + i_u_offset] = ( (uint16_t)i_u * i_alpha + p_dst[i_x * 2 + i_u_offset] = vlc_blend( i_u, p_src1[i_x * 2 + i_u_offset], i_alpha );
(uint16_t)p_src1[i_x * 2 + i_u_offset] * (MAX_TRANS - i_alpha) ) p_dst[i_x * 2 + i_v_offset] = vlc_blend( i_v, p_src1[i_x * 2 + i_v_offset], i_alpha );
>> TRANS_BITS;
p_dst[i_x * 2 + i_v_offset] = ( (uint16_t)i_v * i_alpha +
(uint16_t)p_src1[i_x * 2 + i_v_offset] * (MAX_TRANS - i_alpha) )
>> TRANS_BITS;
}
} }
} }
if( i_y%2 == 1 ) if( i_y%2 == 1 )
...@@ -1401,11 +1226,6 @@ static void BlendI420YUVPacked( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1401,11 +1226,6 @@ static void BlendI420YUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
p_src2_v += i_src2_pitch/2; p_src2_v += i_src2_pitch/2;
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
/*********************************************************************** /***********************************************************************
...@@ -1455,9 +1275,7 @@ static void BlendPalI420( filter_t *p_filter, picture_t *p_dst, ...@@ -1455,9 +1275,7 @@ static void BlendPalI420( filter_t *p_filter, picture_t *p_dst,
p_src2 = p_src->p->p_pixels + p_filter->fmt_in.video.i_x_offset + p_src2 = p_src->p->p_pixels + p_filter->fmt_in.video.i_x_offset +
i_src2_pitch * p_filter->fmt_in.video.i_y_offset; i_src2_pitch * p_filter->fmt_in.video.i_y_offset;
#define MAX_TRANS 255 const uint8_t *p_trans = p_src2;
#define TRANS_BITS 8
#define p_trans p_src2
#define p_pal p_filter->fmt_in.video.p_palette->palette #define p_pal p_filter->fmt_in.video.p_palette->palette
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
...@@ -1476,46 +1294,18 @@ static void BlendPalI420( filter_t *p_filter, picture_t *p_dst, ...@@ -1476,46 +1294,18 @@ static void BlendPalI420( filter_t *p_filter, picture_t *p_dst,
{ {
i_trans = ( p_pal[p_trans[i_x]][3] * i_alpha ) / 255; i_trans = ( p_pal[p_trans[i_x]][3] * i_alpha ) / 255;
if( !i_trans ) if( !i_trans )
{
/* Completely transparent. Don't change pixel */
continue; continue;
}
else if( i_trans == MAX_TRANS )
{
/* Completely opaque. Completely overwrite underlying pixel */
p_dst_y[i_x] = p_pal[p_src2[i_x]][0];
if( b_even_scanline && ((i_x % 2) == 0) )
{
p_dst_u[i_x/2] = p_pal[p_src2[i_x]][1];
p_dst_v[i_x/2] = p_pal[p_src2[i_x]][2];
}
continue;
}
/* Blending */ /* Blending */
p_dst_y[i_x] = ( (uint16_t)p_pal[p_src2[i_x]][0] * i_trans + p_dst_y[i_x] = vlc_blend( p_pal[p_src2[i_x]][0], p_src1_y[i_x], i_trans );
(uint16_t)p_src1_y[i_x] * (MAX_TRANS - i_trans) )
>> TRANS_BITS;
if( b_even_scanline && ((i_x % 2) == 0) ) if( b_even_scanline && ((i_x % 2) == 0) )
{ {
p_dst_u[i_x/2] = ( (uint16_t)p_pal[p_src2[i_x]][1] * i_trans + p_dst_u[i_x/2] = vlc_blend( p_pal[p_src2[i_x]][1], p_src1_u[i_x/2], i_trans );
(uint16_t)p_src1_u[i_x/2] * (MAX_TRANS - i_trans) ) p_dst_v[i_x/2] = vlc_blend( p_pal[p_src2[i_x]][2], p_src1_v[i_x/2], i_trans );
>> TRANS_BITS;
p_dst_v[i_x/2] = ( (uint16_t)p_pal[p_src2[i_x]][2] * i_trans +
(uint16_t)p_src1_v[i_x/2] * (MAX_TRANS - i_trans) )
>> TRANS_BITS;
} }
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
#undef p_trans
#undef p_pal #undef p_pal
return;
} }
static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
...@@ -1565,9 +1355,7 @@ static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1565,9 +1355,7 @@ static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
i_width = (i_width >> 1) << 1; /* Needs to be a multiple of 2 */ i_width = (i_width >> 1) << 1; /* Needs to be a multiple of 2 */
#define MAX_TRANS 255 const uint8_t *p_trans = p_src2;
#define TRANS_BITS 8
#define p_trans p_src2
#define p_pal p_filter->fmt_in.video.p_palette->palette #define p_pal p_filter->fmt_in.video.p_palette->palette
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
...@@ -1579,39 +1367,14 @@ static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1579,39 +1367,14 @@ static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
{ {
i_trans = ( p_pal[p_trans[i_x]][3] * i_alpha ) / 255; i_trans = ( p_pal[p_trans[i_x]][3] * i_alpha ) / 255;
if( !i_trans ) if( !i_trans )
{ continue;
/* Completely transparent. Don't change pixel */
}
else if( i_trans == MAX_TRANS )
{
/* Completely opaque. Completely overwrite underlying pixel */
p_dst[i_x * 2 + i_l_offset] = p_pal[p_src2[i_x]][0];
if( b_even )
{
if( p_trans[i_x+1] > 0xaa )
{
p_dst[i_x * 2 + i_u_offset] = (p_pal[p_src2[i_x]][1] + p_pal[p_src2[i_x+1]][1]) >> 1;
p_dst[i_x * 2 + i_v_offset] = (p_pal[p_src2[i_x]][2] + p_pal[p_src2[i_x+1]][2]) >> 1;
}
else
{
p_dst[i_x * 2 + i_u_offset] = p_pal[p_src2[i_x]][1];
p_dst[i_x * 2 + i_v_offset] = p_pal[p_src2[i_x]][2];
}
}
}
else
{
/* Blending */ /* Blending */
p_dst[i_x * 2 + i_l_offset] = ( (uint16_t)p_pal[p_src2[i_x]][0] * p_dst[i_x * 2 + i_l_offset] = vlc_blend( p_pal[p_src2[i_x]][0], p_src1[i_x * 2 + i_l_offset], i_trans );
i_trans + (uint16_t)p_src1[i_x * 2 + i_l_offset] *
(MAX_TRANS - i_trans) ) >> TRANS_BITS;
if( b_even ) if( b_even )
{ {
uint16_t i_u = 0; uint16_t i_u;
uint16_t i_v = 0; uint16_t i_v;
if( p_trans[i_x+1] > 0xaa ) if( p_trans[i_x+1] > 0xaa )
{ {
i_u = (p_pal[p_src2[i_x]][1] + p_pal[p_src2[i_x+1]][1]) >> 1; i_u = (p_pal[p_src2[i_x]][1] + p_pal[p_src2[i_x+1]][1]) >> 1;
...@@ -1623,23 +1386,12 @@ static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1623,23 +1386,12 @@ static void BlendPalYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
i_v = p_pal[p_src2[i_x]][2]; i_v = p_pal[p_src2[i_x]][2];
} }
p_dst[i_x * 2 + i_u_offset] = ( (uint16_t)i_u * p_dst[i_x * 2 + i_u_offset] = vlc_blend( i_u, p_src1[i_x * 2 + i_u_offset], i_trans );
i_trans + (uint16_t)p_src1[i_x * 2 + i_u_offset] * p_dst[i_x * 2 + i_v_offset] = vlc_blend( i_v, p_src1[i_x * 2 + i_v_offset], i_trans );
(MAX_TRANS - i_trans) ) >> TRANS_BITS;
p_dst[i_x * 2 + i_v_offset] = ( (uint16_t)i_v *
i_trans + (uint16_t)p_src1[i_x * 2 + i_v_offset] *
(MAX_TRANS - i_trans) ) >> TRANS_BITS;
} }
} }
} }
}
#undef MAX_TRANS
#undef TRANS_BITS
#undef p_trans
#undef p_pal #undef p_pal
return;
} }
static void BlendPalRV( filter_t *p_filter, picture_t *p_dst_pic, static void BlendPalRV( filter_t *p_filter, picture_t *p_dst_pic,
...@@ -1668,9 +1420,7 @@ static void BlendPalRV( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1668,9 +1420,7 @@ static void BlendPalRV( filter_t *p_filter, picture_t *p_dst_pic,
p_src2 = p_src->p->p_pixels + p_filter->fmt_in.video.i_x_offset + p_src2 = p_src->p->p_pixels + p_filter->fmt_in.video.i_x_offset +
i_src2_pitch * p_filter->fmt_in.video.i_y_offset; i_src2_pitch * p_filter->fmt_in.video.i_y_offset;
#define MAX_TRANS 255 const uint8_t *p_trans = p_src2;
#define TRANS_BITS 8
#define p_trans p_src2
#define p_pal p_filter->fmt_in.video.p_palette->palette #define p_pal p_filter->fmt_in.video.p_palette->palette
#define rgbpal rgbpalette.palette #define rgbpal rgbpalette.palette
...@@ -1700,43 +1450,29 @@ static void BlendPalRV( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1700,43 +1450,29 @@ static void BlendPalRV( filter_t *p_filter, picture_t *p_dst_pic,
{ {
i_trans = ( p_pal[p_trans[i_x]][3] * i_alpha ) / 255; i_trans = ( p_pal[p_trans[i_x]][3] * i_alpha ) / 255;
if( !i_trans ) if( !i_trans )
{
/* Completely transparent. Don't change pixel */
continue; continue;
}
else if( i_trans == MAX_TRANS || if( i_trans == MAX_TRANS ||
p_filter->fmt_out.video.i_chroma == p_filter->fmt_out.video.i_chroma == VLC_FOURCC('R','V','1','6') )
VLC_FOURCC('R','V','1','6') )
{ {
/* FIXME implement blending for RV16 */
/* Completely opaque. Completely overwrite underlying pixel */ /* Completely opaque. Completely overwrite underlying pixel */
p_dst[i_x * i_pix_pitch] = rgbpal[p_src2[i_x]][0]; p_dst[i_x * i_pix_pitch] = rgbpal[p_src2[i_x]][0];
p_dst[i_x * i_pix_pitch + 1] = rgbpal[p_src2[i_x]][1]; p_dst[i_x * i_pix_pitch + 1] = rgbpal[p_src2[i_x]][1];
if( p_filter->fmt_out.video.i_chroma != if( p_filter->fmt_out.video.i_chroma != VLC_FOURCC('R','V','1','6') )
VLC_FOURCC('R','V','1','6') )
p_dst[i_x * i_pix_pitch + 2] = rgbpal[p_src2[i_x]][2]; p_dst[i_x * i_pix_pitch + 2] = rgbpal[p_src2[i_x]][2];
continue; continue;
} }
/* Blending */ /* Blending */
p_dst[i_x * i_pix_pitch] = ( (uint16_t)rgbpal[p_src2[i_x]][0] * p_dst[i_x * i_pix_pitch + 0] = vlc_blend( rgbpal[p_src2[i_x]][0], p_src1[i_x * i_pix_pitch + 0], i_trans );
i_trans + (uint16_t)p_src1[i_x * i_pix_pitch] * p_dst[i_x * i_pix_pitch + 1] = vlc_blend( rgbpal[p_src2[i_x]][1], p_src1[i_x * i_pix_pitch + 1], i_trans );
(MAX_TRANS - i_trans) ) >> TRANS_BITS; p_dst[i_x * i_pix_pitch + 2] = vlc_blend( rgbpal[p_src2[i_x]][2], p_src1[i_x * i_pix_pitch + 2], i_trans );
p_dst[i_x * i_pix_pitch + 1] = ( (uint16_t)rgbpal[p_src2[i_x]][1] *
i_trans + (uint16_t)p_src1[i_x * i_pix_pitch + 1] *
(MAX_TRANS - i_trans) ) >> TRANS_BITS;
p_dst[i_x * i_pix_pitch + 2] = ( (uint16_t)rgbpal[p_src2[i_x]][2] *
i_trans + (uint16_t)p_src1[i_x * i_pix_pitch + 2] *
(MAX_TRANS - i_trans) ) >> TRANS_BITS;
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
#undef p_trans
#undef p_pal #undef p_pal
#undef rgbpal #undef rgbpal
return;
} }
/*********************************************************************** /***********************************************************************
...@@ -1792,9 +1528,6 @@ static void BlendRGBAI420( filter_t *p_filter, picture_t *p_dst, ...@@ -1792,9 +1528,6 @@ static void BlendRGBAI420( filter_t *p_filter, picture_t *p_dst,
p_src->p->i_pitch * p_filter->fmt_in.video.i_y_offset; p_src->p->i_pitch * p_filter->fmt_in.video.i_y_offset;
#define MAX_TRANS 255
#define TRANS_BITS 8
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++, for( i_y = 0; i_y < i_height; i_y++,
p_dst_y += i_dst_pitch, p_src1_y += i_src1_pitch, p_dst_y += i_dst_pitch, p_src1_y += i_src1_pitch,
...@@ -1814,49 +1547,22 @@ static void BlendRGBAI420( filter_t *p_filter, picture_t *p_dst, ...@@ -1814,49 +1547,22 @@ static void BlendRGBAI420( filter_t *p_filter, picture_t *p_dst,
#define B ( p_src2[i_x * i_src_pix_pitch + 2] ) #define B ( p_src2[i_x * i_src_pix_pitch + 2] )
i_trans = ( p_src2[i_x * i_src_pix_pitch + 3] * i_alpha ) / 255; i_trans = ( p_src2[i_x * i_src_pix_pitch + 3] * i_alpha ) / 255;
if( !i_trans ) if( !i_trans )
{
/* Completely transparent. Don't change pixel */
continue;
}
else if( i_trans == MAX_TRANS )
{
/* Completely opaque. Completely overwrite underlying pixel */
rgb_to_yuv( &y, &u, &v, R, G, B );
p_dst_y[i_x] = y;
if( b_even_scanline && i_x % 2 == 0 )
{
p_dst_u[i_x/2] = u;
p_dst_v[i_x/2] = v;
}
continue; continue;
}
/* Blending */ /* Blending */
rgb_to_yuv( &y, &u, &v, R, G, B ); rgb_to_yuv( &y, &u, &v, R, G, B );
p_dst_y[i_x] = ( (uint16_t)y * i_trans +
(uint16_t)p_src1_y[i_x] * (MAX_TRANS - i_trans) )
>> TRANS_BITS;
p_dst_y[i_x] = vlc_blend( y, p_src1_y[i_x], i_trans );
if( b_even_scanline && i_x % 2 == 0 ) if( b_even_scanline && i_x % 2 == 0 )
{ {
p_dst_u[i_x/2] = ( (uint16_t)u * i_trans + p_dst_u[i_x/2] = vlc_blend( u, p_src1_u[i_x/2], i_trans );
(uint16_t)p_src1_u[i_x/2] * (MAX_TRANS - i_trans) ) p_dst_v[i_x/2] = vlc_blend( v, p_src1_v[i_x/2], i_trans );
>> TRANS_BITS;
p_dst_v[i_x/2] = ( (uint16_t)v * i_trans +
(uint16_t)p_src1_v[i_x/2] * (MAX_TRANS - i_trans) )
>> TRANS_BITS;
} }
#undef R #undef R
#undef G #undef G
#undef B #undef B
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
static void BlendRGBAR24( filter_t *p_filter, picture_t *p_dst_pic, static void BlendRGBAR24( filter_t *p_filter, picture_t *p_dst_pic,
...@@ -1887,9 +1593,6 @@ static void BlendRGBAR24( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1887,9 +1593,6 @@ static void BlendRGBAR24( filter_t *p_filter, picture_t *p_dst_pic,
p_filter->fmt_in.video.i_x_offset * i_pix_pitch + p_filter->fmt_in.video.i_x_offset * i_pix_pitch +
p_src->p->i_pitch * p_filter->fmt_in.video.i_y_offset; p_src->p->i_pitch * p_filter->fmt_in.video.i_y_offset;
#define MAX_TRANS 255
#define TRANS_BITS 8
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++, for( i_y = 0; i_y < i_height; i_y++,
p_dst += i_dst_pitch, p_src1 += i_src1_pitch, p_src2 += i_src2_pitch ) p_dst += i_dst_pitch, p_src1 += i_src1_pitch, p_src2 += i_src2_pitch )
...@@ -1902,39 +1605,17 @@ static void BlendRGBAR24( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1902,39 +1605,17 @@ static void BlendRGBAR24( filter_t *p_filter, picture_t *p_dst_pic,
#define B ( p_src2[i_x * i_src_pix_pitch + 2] ) #define B ( p_src2[i_x * i_src_pix_pitch + 2] )
i_trans = ( p_src2[i_x * i_src_pix_pitch + 3] * i_alpha ) / 255; i_trans = ( p_src2[i_x * i_src_pix_pitch + 3] * i_alpha ) / 255;
if( !i_trans ) if( !i_trans )
{
/* Completely transparent. Don't change pixel */
continue; continue;
}
else if( i_trans == MAX_TRANS )
{
/* Completely opaque. Completely overwrite underlying pixel */
p_dst[i_x * i_pix_pitch + 0] = R;
p_dst[i_x * i_pix_pitch + 1] = G;
p_dst[i_x * i_pix_pitch + 2] = B;
continue;
}
/* Blending */ /* Blending */
p_dst[i_x * i_pix_pitch + 0] = ( R * i_trans + p_dst[i_x * i_pix_pitch + 0] = vlc_blend( R, p_src1[i_x * i_pix_pitch + 0], i_trans );
(uint16_t)p_src1[i_x * i_pix_pitch + 0] * p_dst[i_x * i_pix_pitch + 1] = vlc_blend( G, p_src1[i_x * i_pix_pitch + 1], i_trans );
(MAX_TRANS - i_trans) ) >> TRANS_BITS; p_dst[i_x * i_pix_pitch + 2] = vlc_blend( B, p_src1[i_x * i_pix_pitch + 2], i_trans );
p_dst[i_x * i_pix_pitch + 1] = ( G * i_trans +
(uint16_t)p_src1[i_x * i_pix_pitch + 1] *
(MAX_TRANS - i_trans) ) >> TRANS_BITS;
p_dst[i_x * i_pix_pitch + 2] = ( B * i_trans +
(uint16_t)p_src1[i_x * i_pix_pitch + 2] *
(MAX_TRANS - i_trans) ) >> TRANS_BITS;
#undef R #undef R
#undef G #undef G
#undef B #undef B
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
static void BlendRGBAR16( filter_t *p_filter, picture_t *p_dst_pic, static void BlendRGBAR16( filter_t *p_filter, picture_t *p_dst_pic,
...@@ -1966,9 +1647,6 @@ static void BlendRGBAR16( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1966,9 +1647,6 @@ static void BlendRGBAR16( filter_t *p_filter, picture_t *p_dst_pic,
p_filter->fmt_in.video.i_x_offset * i_pix_pitch + p_filter->fmt_in.video.i_x_offset * i_pix_pitch +
p_src->p->i_pitch * p_filter->fmt_in.video.i_y_offset; p_src->p->i_pitch * p_filter->fmt_in.video.i_y_offset;
#define MAX_TRANS 255
#define TRANS_BITS 8
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++, for( i_y = 0; i_y < i_height; i_y++,
p_dst += i_dst_pitch, p_src1 += i_src1_pitch, p_src2 += i_src2_pitch ) p_dst += i_dst_pitch, p_src1 += i_src1_pitch, p_src2 += i_src2_pitch )
...@@ -1981,10 +1659,8 @@ static void BlendRGBAR16( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1981,10 +1659,8 @@ static void BlendRGBAR16( filter_t *p_filter, picture_t *p_dst_pic,
#define B ( p_src2[i_x * i_src_pix_pitch + 2] ) #define B ( p_src2[i_x * i_src_pix_pitch + 2] )
i_trans = ( p_src2[i_x * i_src_pix_pitch + 3] * i_alpha ) / 255; i_trans = ( p_src2[i_x * i_src_pix_pitch + 3] * i_alpha ) / 255;
if( !i_trans ) if( !i_trans )
{
/* Completely transparent. Don't change pixel */
continue; continue;
}
else if( i_trans == MAX_TRANS ) else if( i_trans == MAX_TRANS )
{ {
/* Completely opaque. Completely overwrite underlying pixel */ /* Completely opaque. Completely overwrite underlying pixel */
...@@ -1995,25 +1671,14 @@ static void BlendRGBAR16( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -1995,25 +1671,14 @@ static void BlendRGBAR16( filter_t *p_filter, picture_t *p_dst_pic,
/* Blending */ /* Blending */
i_pix = *((uint16_t *)(&p_dst[i_x * i_pix_pitch])); i_pix = *((uint16_t *)(&p_dst[i_x * i_pix_pitch]));
*((uint16_t *)(&p_dst[i_x * i_pix_pitch])) = *((uint16_t *)(&p_dst[i_x * i_pix_pitch])) =
( ( ( (R >> 3)*i_trans ( vlc_blend( R >> 3, ((i_pix )>> 11), i_trans ) << 11 ) |
+ (i_pix >> 11) * (MAX_TRANS - i_trans) ) ( vlc_blend( G >> 2, ((i_pix & 0x07e0)>> 5), i_trans ) << 5 ) |
>> TRANS_BITS ) << 11 ) ( vlc_blend( B >> 3, ((i_pix & 0x001f) ), i_trans ) );
| ( ( ( (G >> 2)*i_trans
+ ((i_pix & 0x07e0)>> 5) * (MAX_TRANS - i_trans) )
>> TRANS_BITS ) << 5 )
| ( ( ( (B >> 3)*i_trans
+ (i_pix & 0x001f) * (MAX_TRANS - i_trans) )
>> TRANS_BITS ) );
#undef R #undef R
#undef G #undef G
#undef B #undef B
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
static void BlendRGBAYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, static void BlendRGBAYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
...@@ -2069,9 +1734,6 @@ static void BlendRGBAYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -2069,9 +1734,6 @@ static void BlendRGBAYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
i_width = (i_width >> 1) << 1; /* Needs to be a multiple of 2 */ i_width = (i_width >> 1) << 1; /* Needs to be a multiple of 2 */
#define MAX_TRANS 255
#define TRANS_BITS 8
/* Draw until we reach the bottom of the subtitle */ /* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++, p_trans += i_src2_pitch, for( i_y = 0; i_y < i_height; i_y++, p_trans += i_src2_pitch,
p_dst += i_dst_pitch, p_src1 += i_src1_pitch, p_dst += i_dst_pitch, p_src1 += i_src1_pitch,
...@@ -2085,44 +1747,16 @@ static void BlendRGBAYUVPacked( filter_t *p_filter, picture_t *p_dst_pic, ...@@ -2085,44 +1747,16 @@ static void BlendRGBAYUVPacked( filter_t *p_filter, picture_t *p_dst_pic,
#define B ( p_src2[i_x * i_src_pix_pitch + 2] ) #define B ( p_src2[i_x * i_src_pix_pitch + 2] )
i_trans = ( p_src2[i_x * i_src_pix_pitch + 3] * i_alpha ) / 255; i_trans = ( p_src2[i_x * i_src_pix_pitch + 3] * i_alpha ) / 255;
if( !i_trans ) if( !i_trans )
{ continue;
/* Completely transparent. Don't change pixel */
}
else if( i_trans == MAX_TRANS )
{
/* Completely opaque. Completely overwrite underlying pixel */
rgb_to_yuv( &y, &u, &v, R, G, B );
p_dst[i_x * 2 + i_l_offset] = y;
if( b_even )
{
p_dst[i_x * 2 + i_u_offset] = u;
p_dst[i_x * 2 + i_v_offset] = v;
}
}
else
{
/* Blending */ /* Blending */
rgb_to_yuv( &y, &u, &v, R, G, B ); rgb_to_yuv( &y, &u, &v, R, G, B );
p_dst[i_x * 2 + i_l_offset] = ( (uint16_t)y * i_trans + p_dst[i_x * 2 + i_l_offset] = vlc_blend( y, p_src1[i_x * 2 + i_l_offset], i_trans );
(uint16_t)p_src1[i_x * 2 + i_l_offset] * (MAX_TRANS - i_trans) )
>> TRANS_BITS;
if( b_even ) if( b_even )
{ {
p_dst[i_x * 2 + i_u_offset] = ( (uint16_t)u * i_trans + p_dst[i_x * 2 + i_u_offset] = vlc_blend( u, p_src1[i_x * 2 + i_u_offset], i_trans );
(uint16_t)p_src1[i_x * 2 + i_u_offset] * (MAX_TRANS - i_trans) ) p_dst[i_x * 2 + i_v_offset] = vlc_blend( v, p_src1[i_x * 2 + i_v_offset], i_trans );
>> TRANS_BITS;
p_dst[i_x * 2 + i_v_offset] = ( (uint16_t)v * i_trans +
(uint16_t)p_src1[i_x * 2 + i_v_offset] * (MAX_TRANS - i_trans) )
>> TRANS_BITS;
}
} }
} }
} }
#undef MAX_TRANS
#undef TRANS_BITS
return;
} }
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