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,
uint8_t y1, uint8_t u1, uint8_t v1 )
{
p_filter->fmt_in.video.i_x_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 */
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,
{
if( p_trans )
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 )
- {
- p_dst_u[i_x/2] = p_src2_u[i_x];
- p_dst_v[i_x/2] = p_src2_v[i_x];
- }
+ if( !i_trans )
continue;
- }
/* Blending */
- p_dst_y[i_x] = ( (uint16_t)p_src2_y[i_x] * i_trans +
- (uint16_t)p_src1_y[i_x] * (MAX_TRANS - i_trans) )
- >> TRANS_BITS;
-
+ p_dst_y[i_x] = vlc_blend( p_src2_y[i_x], p_src1_y[i_x], i_trans );
if( b_even_scanline && i_x % 2 == 0 )
{
- p_dst_u[i_x/2] = ( (uint16_t)p_src2_u[i_x] * i_trans +
- (uint16_t)p_src1_u[i_x/2] * (MAX_TRANS - 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;
+ p_dst_u[i_x/2] = vlc_blend( p_src2_u[i_x], p_src1_u[i_x/2], i_trans );
+ p_dst_v[i_x/2] = vlc_blend( p_src2_v[i_x], p_src1_v[i_x/2], i_trans );
}
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-
- return;
}
static void BlendR16( filter_t *p_filter, picture_t *p_dst_pic,
p_filter->fmt_in.video.i_x_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 */
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,
if( p_trans )
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 */
- 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;
- }
/* Blending */
- /* FIXME: do the blending */
+ /* FIXME: do the blending
+ * FIXME use rgb shift (when present) */
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);
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-
- return;
}
static void BlendR24( filter_t *p_filter, picture_t *p_dst_pic,
p_filter->fmt_in.video.i_x_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)
&& (((((intptr_t)p_dst)|((intptr_t)p_src1)|i_dst_pitch|i_src1_pitch)
& 3) == 0) )
if( p_trans )
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 )
+
+ 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] );
- p32_dst[i_x] = (r<<i_rshift)
- + (g<<i_gshift)
- + (b<<i_bshift);
+ p32_dst[i_x] = (r<<i_rshift) |
+ (g<<i_gshift) |
+ (b<<i_bshift);
}
else
{
yuv_to_rgb( &r, &g, &b,
p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] );
- p32_dst[i_x] = ( ( r * i_trans +
- (uint16_t)((i_pix_src1 & i_rmask)>>i_rshift) *
- (MAX_TRANS - i_trans) ) >> TRANS_BITS) << i_rshift
- | ( ( 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;
+ p32_dst[i_x] = ( vlc_blend( r, (i_pix_src1 & i_rmask)>>i_rshift, i_trans ) << i_rshift ) |
+ ( vlc_blend( g, (i_pix_src1 & i_gmask)>>i_gshift, i_trans ) << i_gshift ) |
+ ( vlc_blend( b, (i_pix_src1 & i_bmask)>>i_bshift, i_trans ) << i_bshift );
}
}
}
if( p_trans )
i_trans = ( p_trans[i_x] * i_alpha ) / 255;
if( !i_trans )
- {
- /* Completely transparent. Don't change pixel */
continue;
+
+ const int i_pos = i_x * i_pix_pitch;
+ 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] );
+
+ p_dst[i_pos + i_rindex ] = r;
+ p_dst[i_pos + i_gindex ] = g;
+ p_dst[i_pos + i_bindex ] = b;
}
else
{
- int i_pos = i_x * i_pix_pitch;
- 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] );
-
- p_dst[i_pos + i_rindex ] = r;
- p_dst[i_pos + i_gindex ] = g;
- p_dst[i_pos + i_bindex ] = b;
- }
- else
- {
- int i_rpos = i_pos + i_rindex;
- int i_gpos = i_pos + i_gindex;
- int i_bpos = i_pos + i_bindex;
-
- /* Blending */
- yuv_to_rgb( &r, &g, &b,
- p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] );
-
- p_dst[i_rpos] = ( r * i_trans +
- (uint16_t)p_src1[i_rpos] *
- (MAX_TRANS - i_trans) ) >> TRANS_BITS;
- 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;
- }
+ int i_rpos = i_pos + i_rindex;
+ int i_gpos = i_pos + i_gindex;
+ int i_bpos = i_pos + i_bindex;
+
+ /* Blending */
+ yuv_to_rgb( &r, &g, &b,
+ p_src2_y[i_x], p_src2_u[i_x], p_src2_v[i_x] );
+
+ p_dst[i_rpos] = vlc_blend( r, p_src1[i_rpos], i_trans );
+ p_dst[i_gpos] = vlc_blend( g, p_src1[i_gpos], i_trans );
+ p_dst[i_bpos] = vlc_blend( b, p_src1[i_gpos], i_trans );
}
}
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-
- return;
}
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 */
-#define MAX_TRANS 255
-#define TRANS_BITS 8
-
/* Draw until we reach the bottom of the subtitle */
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,
{
i_trans = ( p_trans[i_x] * i_alpha ) / 255;
if( !i_trans )
- {
- /* 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];
+ continue;
- if( b_even )
+ /* Blending */
+ 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 );
+ if( b_even )
+ {
+ int i_u;
+ int i_v;
+ /* FIXME what's with 0xaa ? */
+ if( p_trans[i_x+1] > 0xaa )
{
- 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];
- }
+ i_u = (p_src2_u[i_x]+p_src2_u[i_x+1])>>1;
+ i_v = (p_src2_v[i_x]+p_src2_v[i_x+1])>>1;
}
- }
- else
- {
- /* Blending */
- p_dst[i_x * 2 + i_l_offset] = ( (uint16_t)p_src2_y[i_x] * i_trans +
- (uint16_t)p_src1[i_x * 2 + i_l_offset] * (MAX_TRANS - i_trans) )
- >> TRANS_BITS;
-
- if( b_even )
+ else
{
- uint16_t i_u = 0;
- uint16_t i_v = 0;
- if( p_trans[i_x+1] > 0xaa )
- {
- i_u = (p_src2_u[i_x]+p_src2_u[i_x+1])>>1;
- i_v = (p_src2_v[i_x]+p_src2_v[i_x+1])>>1;
- }
- else
- {
- i_u = p_src2_u[i_x];
- i_v = p_src2_v[i_x];
- }
- p_dst[i_x * 2 + i_u_offset] = ( (uint16_t)i_u * i_trans +
- (uint16_t)p_src1[i_x * 2 + i_u_offset] * (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;
+ i_u = p_src2_u[i_x];
+ i_v = p_src2_v[i_x];
}
+ p_dst[i_x * 2 + i_u_offset] = vlc_blend( i_u, p_src1[i_x * 2 + i_u_offset], i_trans );
+ p_dst[i_x * 2 + i_v_offset] = vlc_blend( i_v, p_src1[i_x * 2 + i_v_offset], i_trans );
}
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-
- return;
}
/***********************************************************************
* I420, YV12
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;
-#define MAX_TRANS 255
-#define TRANS_BITS 8
-
/* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++,
p_dst_y += i_dst_pitch, p_src1_y += i_src1_pitch,
/* Draw until we reach the end of the line */
for( i_x = 0; i_x < i_width; i_x++ )
{
- if( i_alpha == 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 )
- {
- p_dst_u[i_x/2] = p_src2_u[i_x/2];
- p_dst_v[i_x/2] = p_src2_v[i_x/2];
- }
+ if( !i_alpha )
continue;
- }
/* Blending */
- p_dst_y[i_x] = ( (uint16_t)p_src2_y[i_x] * i_alpha +
- (uint16_t)p_src1_y[i_x] * (MAX_TRANS - i_alpha) )
- >> TRANS_BITS;
-
+ p_dst_y[i_x] = vlc_blend( p_src2_y[i_x], p_src1_y[i_x], i_alpha );
if( b_even_scanline && i_x % 2 == 0 )
{
- p_dst_u[i_x/2] = ( (uint16_t)p_src2_u[i_x/2] * i_alpha +
- (uint16_t)p_src1_u[i_x/2] * (MAX_TRANS - 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;
+ p_dst_u[i_x/2] = vlc_blend( p_src2_u[i_x/2], p_src1_u[i_x/2], i_alpha );
+ p_dst_v[i_x/2] = vlc_blend( p_src2_v[i_x/2], p_src1_v[i_x/2], i_alpha );
}
}
if( i_y%2 == 1 )
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,
picture_t *p_dst_orig, picture_t *p_src,
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;
-#define MAX_TRANS 255
-#define TRANS_BITS 8
-
/* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++,
p_dst += i_dst_pitch, p_src1 += i_src1_pitch,
}
/* Blending */
- /* FIXME: do the blending */
+ /* FIXME: do the blending
+ * FIXME use rgb shifts */
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_v += i_src2_pitch/2;
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-
- return;
}
static void BlendI420R24( filter_t *p_filter, picture_t *p_dst_pic,
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;
-#define MAX_TRANS 255
-#define TRANS_BITS 8
-
/* Draw until we reach the bottom of the subtitle */
for( i_y = 0; i_y < i_height; i_y++,
p_dst += i_dst_pitch, p_src1 += i_src1_pitch,
/* Draw until we reach the end of the line */
for( i_x = 0; i_x < i_width; i_x++ )
{
- if( i_alpha == MAX_TRANS )
- {
- /* 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;
+ if( !i_alpha )
continue;
- }
/* Blending */
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 * i_alpha +
- (uint16_t)p_src1[i_x * i_pix_pitch] *
- (MAX_TRANS - i_alpha) ) >> TRANS_BITS;
- 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;
+ p_dst[i_x * i_pix_pitch + 0] = vlc_blend( r, p_src1[i_x * i_pix_pitch + 0], i_alpha );
+ p_dst[i_x * i_pix_pitch + 1] = vlc_blend( g, p_src1[i_x * i_pix_pitch + 1], i_alpha );
+ p_dst[i_x * i_pix_pitch + 2] = vlc_blend( b, p_src1[i_x * i_pix_pitch + 2], i_alpha );
}
if( i_y%2 == 1 )
{
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,
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 */
for( i_y = 0; i_y < i_height; i_y++,
p_dst += i_dst_pitch, p_src1 += i_src1_pitch,
/* Draw until we reach the end of the line */
for( i_x = 0; i_x < i_width; i_x++, b_even = !b_even )
{
- if( i_alpha == MAX_TRANS )
- {
- /* Completely opaque. Completely overwrite underlying pixel */
- p_dst[i_x * 2 + i_l_offset] = p_src2_y[i_x];
+ if( !i_alpha )
+ continue;
- 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 */
+ 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 );
+ if( b_even )
{
- /* Blending */
- p_dst[i_x * 2 + i_l_offset] = ( (uint16_t)p_src2_y[i_x] * i_alpha +
- (uint16_t)p_src1[i_x * 2 + i_l_offset] * (MAX_TRANS - i_alpha) )
- >> TRANS_BITS;
-
- if( b_even )
- {
- uint16_t i_u = p_src2_u[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 +
- (uint16_t)p_src1[i_x * 2 + i_u_offset] * (MAX_TRANS - 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;
- }
+ uint16_t i_u = p_src2_u[i_x/2];
+ uint16_t i_v = p_src2_v[i_x/2];
+ p_dst[i_x * 2 + i_u_offset] = vlc_blend( i_u, p_src1[i_x * 2 + i_u_offset], i_alpha );
+ p_dst[i_x * 2 + i_v_offset] = vlc_blend( i_v, p_src1[i_x * 2 + i_v_offset], i_alpha );
}
}
if( i_y%2 == 1 )
p_src2_v += i_src2_pitch/2;
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-
- return;
}
/***********************************************************************
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;
-#define MAX_TRANS 255
-#define TRANS_BITS 8
-#define p_trans p_src2
+ const uint8_t *p_trans = p_src2;
#define p_pal p_filter->fmt_in.video.p_palette->palette
/* Draw until we reach the bottom of the subtitle */
{
i_trans = ( p_pal[p_trans[i_x]][3] * 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_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 */
- p_dst_y[i_x] = ( (uint16_t)p_pal[p_src2[i_x]][0] * i_trans +
- (uint16_t)p_src1_y[i_x] * (MAX_TRANS - i_trans) )
- >> TRANS_BITS;
-
+ p_dst_y[i_x] = vlc_blend( p_pal[p_src2[i_x]][0], p_src1_y[i_x], i_trans );
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 +
- (uint16_t)p_src1_u[i_x/2] * (MAX_TRANS - 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;
+ p_dst_u[i_x/2] = vlc_blend( p_pal[p_src2[i_x]][1], p_src1_u[i_x/2], 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 );
}
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-#undef p_trans
#undef p_pal
-
- return;
}
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 */
-#define MAX_TRANS 255
-#define TRANS_BITS 8
-#define p_trans p_src2
+ const uint8_t *p_trans = p_src2;
#define p_pal p_filter->fmt_in.video.p_palette->palette
/* Draw until we reach the bottom of the subtitle */
{
i_trans = ( p_pal[p_trans[i_x]][3] * i_alpha ) / 255;
if( !i_trans )
- {
- /* 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];
+ continue;
- if( b_even )
+ /* Blending */
+ 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 );
+ if( b_even )
+ {
+ uint16_t i_u;
+ uint16_t i_v;
+ if( p_trans[i_x+1] > 0xaa )
{
- 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];
- }
+ i_u = (p_pal[p_src2[i_x]][1] + p_pal[p_src2[i_x+1]][1]) >> 1;
+ i_v = (p_pal[p_src2[i_x]][2] + p_pal[p_src2[i_x+1]][2]) >> 1;
}
- }
- else
- {
- /* Blending */
- p_dst[i_x * 2 + i_l_offset] = ( (uint16_t)p_pal[p_src2[i_x]][0] *
- i_trans + (uint16_t)p_src1[i_x * 2 + i_l_offset] *
- (MAX_TRANS - i_trans) ) >> TRANS_BITS;
-
- if( b_even )
+ else
{
- uint16_t i_u = 0;
- uint16_t i_v = 0;
- 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_v = (p_pal[p_src2[i_x]][2] + p_pal[p_src2[i_x+1]][2]) >> 1;
- }
- else
- {
- i_u = p_pal[p_src2[i_x]][1];
- i_v = p_pal[p_src2[i_x]][2];
- }
-
- p_dst[i_x * 2 + i_u_offset] = ( (uint16_t)i_u *
- i_trans + (uint16_t)p_src1[i_x * 2 + i_u_offset] *
- (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;
+ i_u = p_pal[p_src2[i_x]][1];
+ i_v = p_pal[p_src2[i_x]][2];
}
+
+ p_dst[i_x * 2 + i_u_offset] = vlc_blend( i_u, p_src1[i_x * 2 + i_u_offset], i_trans );
+ p_dst[i_x * 2 + i_v_offset] = vlc_blend( i_v, p_src1[i_x * 2 + i_v_offset], i_trans );
}
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-#undef p_trans
#undef p_pal
-
- return;
}
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 +
i_src2_pitch * p_filter->fmt_in.video.i_y_offset;
-#define MAX_TRANS 255
-#define TRANS_BITS 8
-#define p_trans p_src2
+ const uint8_t *p_trans = p_src2;
#define p_pal p_filter->fmt_in.video.p_palette->palette
#define rgbpal rgbpalette.palette
{
i_trans = ( p_pal[p_trans[i_x]][3] * i_alpha ) / 255;
if( !i_trans )
- {
- /* Completely transparent. Don't change pixel */
continue;
- }
- else if( i_trans == MAX_TRANS ||
- p_filter->fmt_out.video.i_chroma ==
- VLC_FOURCC('R','V','1','6') )
+
+ if( i_trans == MAX_TRANS ||
+ p_filter->fmt_out.video.i_chroma == VLC_FOURCC('R','V','1','6') )
{
+ /* FIXME implement blending for RV16 */
/* 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 + 1] = rgbpal[p_src2[i_x]][1];
- if( p_filter->fmt_out.video.i_chroma !=
- VLC_FOURCC('R','V','1','6') )
- p_dst[i_x * i_pix_pitch + 2] = rgbpal[p_src2[i_x]][2];
+ if( p_filter->fmt_out.video.i_chroma != VLC_FOURCC('R','V','1','6') )
+ p_dst[i_x * i_pix_pitch + 2] = rgbpal[p_src2[i_x]][2];
continue;
}
/* Blending */
- p_dst[i_x * i_pix_pitch] = ( (uint16_t)rgbpal[p_src2[i_x]][0] *
- i_trans + (uint16_t)p_src1[i_x * i_pix_pitch] *
- (MAX_TRANS - i_trans) ) >> TRANS_BITS;
- 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;
+ 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 );
+ 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 );
+ 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 );
}
}
-#undef MAX_TRANS
-#undef TRANS_BITS
-#undef p_trans
#undef p_pal
#undef rgbpal
-
- return;
}
/***********************************************************************
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 */
for( i_y = 0; i_y < i_height; i_y++,
p_dst_y += i_dst_pitch, p_src1_y += i_src1_pitch,
#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;
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;
- }
/* Blending */
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 )
{
- p_dst_u[i_x/2] = ( (uint16_t)u * i_trans +
- (uint16_t)p_src1_u[i_x/2] * (MAX_TRANS - 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;
+ p_dst_u[i_x/2] = vlc_blend( u, p_src1_u[i_x/2], i_trans );
+ p_dst_v[i_x/2] = vlc_blend( v, p_src1_v[i_x/2], i_trans );
}
#undef R
#undef G
#undef B
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-
- return;
}
static void BlendRGBAR24( filter_t *p_filter, picture_t *p_dst_pic,
p_filter->fmt_in.video.i_x_offset * i_pix_pitch +
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 */
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 )
#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;
if( !i_trans )
- {
- /* Completely transparent. Don't change pixel */
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 */
- p_dst[i_x * i_pix_pitch + 0] = ( R * i_trans +
- (uint16_t)p_src1[i_x * i_pix_pitch + 0] *
- (MAX_TRANS - i_trans) ) >> TRANS_BITS;
- 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;
+ p_dst[i_x * i_pix_pitch + 0] = vlc_blend( R, p_src1[i_x * i_pix_pitch + 0], i_trans );
+ p_dst[i_x * i_pix_pitch + 1] = vlc_blend( G, p_src1[i_x * i_pix_pitch + 1], i_trans );
+ p_dst[i_x * i_pix_pitch + 2] = vlc_blend( B, p_src1[i_x * i_pix_pitch + 2], i_trans );
#undef R
#undef G
#undef B
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-
- return;
}
static void BlendRGBAR16( filter_t *p_filter, picture_t *p_dst_pic,
p_filter->fmt_in.video.i_x_offset * i_pix_pitch +
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 */
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 )
#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;
if( !i_trans )
- {
- /* Completely transparent. Don't change pixel */
continue;
- }
+
else if( i_trans == MAX_TRANS )
{
/* Completely opaque. Completely overwrite underlying pixel */
/* Blending */
i_pix = *((uint16_t *)(&p_dst[i_x * i_pix_pitch]));
*((uint16_t *)(&p_dst[i_x * i_pix_pitch])) =
- ( ( ( (R >> 3)*i_trans
- + (i_pix >> 11) * (MAX_TRANS - i_trans) )
- >> TRANS_BITS ) << 11 )
- | ( ( ( (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 ) );
+ ( vlc_blend( R >> 3, ((i_pix )>> 11), i_trans ) << 11 ) |
+ ( vlc_blend( G >> 2, ((i_pix & 0x07e0)>> 5), i_trans ) << 5 ) |
+ ( vlc_blend( B >> 3, ((i_pix & 0x001f) ), i_trans ) );
#undef R
#undef G
#undef B
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-
- return;
}
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 */
-#define MAX_TRANS 255
-#define TRANS_BITS 8
-
/* Draw until we reach the bottom of the subtitle */
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,
#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;
if( !i_trans )
- {
- /* 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;
+ continue;
- if( b_even )
- {
- p_dst[i_x * 2 + i_u_offset] = u;
- p_dst[i_x * 2 + i_v_offset] = v;
- }
- }
- else
+ /* Blending */
+ rgb_to_yuv( &y, &u, &v, R, G, B );
+ p_dst[i_x * 2 + i_l_offset] = vlc_blend( y, p_src1[i_x * 2 + i_l_offset], i_trans );
+ if( b_even )
{
- /* Blending */
- rgb_to_yuv( &y, &u, &v, R, G, B );
- p_dst[i_x * 2 + i_l_offset] = ( (uint16_t)y * i_trans +
- (uint16_t)p_src1[i_x * 2 + i_l_offset] * (MAX_TRANS - i_trans) )
- >> TRANS_BITS;
-
- if( b_even )
- {
- p_dst[i_x * 2 + i_u_offset] = ( (uint16_t)u * i_trans +
- (uint16_t)p_src1[i_x * 2 + i_u_offset] * (MAX_TRANS - 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;
- }
+ p_dst[i_x * 2 + i_u_offset] = vlc_blend( u, p_src1[i_x * 2 + i_u_offset], i_trans );
+ p_dst[i_x * 2 + i_v_offset] = vlc_blend( v, p_src1[i_x * 2 + i_v_offset], i_trans );
}
}
}
-
-#undef MAX_TRANS
-#undef TRANS_BITS
-
- return;
}
projects / vlc / commitdiff