int, int );
static void BlendPalYUY2( filter_t *, picture_t *, picture_t *, picture_t *,
int, int );
+static void BlendPalRV( filter_t *, picture_t *, picture_t *, picture_t *,
+ int, int );
/*****************************************************************************
* Module descriptor
i_x_offset, i_y_offset );
return;
}
+ if( p_filter->fmt_in.video.i_chroma == VLC_FOURCC('Y','U','V','P') &&
+ ( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('R','V','1','6') ||
+ p_filter->fmt_out.video.i_chroma == VLC_FOURCC('R','V','2','4') ||
+ p_filter->fmt_out.video.i_chroma == VLC_FOURCC('R','V','3','2') ) )
+ {
+ BlendPalRV( p_filter, p_dst, p_dst_orig, p_src,
+ i_x_offset, i_y_offset );
+ return;
+ }
msg_Dbg( p_filter, "no matching alpha blending routine" );
}
picture_t *p_dst_orig, picture_t *p_src,
int i_x_offset, int i_y_offset )
{
- filter_sys_t *p_sys = p_filter->p_sys;
int i_src1_pitch, i_src2_pitch, i_dst_pitch;
uint8_t *p_src1_y, *p_src2_y, *p_dst_y;
uint8_t *p_src1_u, *p_src2_u, *p_dst_u;
picture_t *p_dst_orig, picture_t *p_src,
int i_x_offset, int i_y_offset )
{
- filter_sys_t *p_sys = p_filter->p_sys;
int i_src1_pitch, i_src2_pitch, i_dst_pitch;
uint8_t *p_dst, *p_src1, *p_src2_y;
uint8_t *p_src2_u, *p_src2_v;
picture_t *p_dst_orig, picture_t *p_src,
int i_x_offset, int i_y_offset )
{
- filter_sys_t *p_sys = p_filter->p_sys;
int i_src1_pitch, i_src2_pitch, i_dst_pitch;
uint8_t *p_dst, *p_src1, *p_src2_y;
uint8_t *p_src2_u, *p_src2_v;
picture_t *p_dst_orig, picture_t *p_src,
int i_x_offset, int i_y_offset )
{
- filter_sys_t *p_sys = p_filter->p_sys;
int i_src1_pitch, i_src2_pitch, i_dst_pitch;
uint8_t *p_dst, *p_src1, *p_src2_y;
uint8_t *p_src2_u, *p_src2_v;
picture_t *p_dst_orig, picture_t *p_src,
int i_x_offset, int i_y_offset )
{
- filter_sys_t *p_sys = p_filter->p_sys;
int i_src1_pitch, i_src2_pitch, i_dst_pitch;
uint8_t *p_src1_y, *p_src2, *p_dst_y;
uint8_t *p_src1_u, *p_dst_u;
picture_t *p_dst_orig, picture_t *p_src,
int i_x_offset, int i_y_offset )
{
- filter_sys_t *p_sys = p_filter->p_sys;
int i_src1_pitch, i_src2_pitch, i_dst_pitch;
uint8_t *p_src1, *p_src2, *p_dst;
int i_width, i_height, i_x, i_y, i_pix_pitch;
return;
}
+static void BlendPalRV( filter_t *p_filter, picture_t *p_dst_pic,
+ picture_t *p_dst_orig, picture_t *p_src,
+ int i_x_offset, int i_y_offset )
+{
+ int i_src1_pitch, i_src2_pitch, i_dst_pitch;
+ uint8_t *p_src1, *p_src2, *p_dst;
+ int i_width, i_height, i_x, i_y, i_pix_pitch;
+ int r, g, b;
+ video_palette_t rgbpalette;
+
+ i_pix_pitch = p_dst_pic->p->i_pixel_pitch;
+ i_dst_pitch = p_dst_pic->p->i_pitch;
+ p_dst = p_dst_pic->p->p_pixels + i_pix_pitch * (i_x_offset +
+ p_filter->fmt_out.video.i_x_offset) + p_dst_pic->p->i_pitch *
+ ( i_y_offset + p_filter->fmt_out.video.i_y_offset );
+
+ i_src1_pitch = p_dst_orig->p->i_pitch;
+ p_src1 = p_dst_orig->p->p_pixels + i_pix_pitch * (i_x_offset +
+ p_filter->fmt_out.video.i_x_offset) + p_dst_orig->p->i_pitch *
+ ( i_y_offset + p_filter->fmt_out.video.i_y_offset );
+
+ i_src2_pitch = p_src->p->i_pitch;
+ 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_width = __MIN( p_filter->fmt_out.video.i_visible_width - i_x_offset,
+ p_filter->fmt_in.video.i_visible_width );
+
+ i_height = __MIN( p_filter->fmt_out.video.i_visible_height - i_y_offset,
+ p_filter->fmt_in.video.i_visible_height );
+
+#define MAX_TRANS 255
+#define TRANS_BITS 8
+#define p_trans p_src2
+#define p_pal p_filter->fmt_in.video.p_palette->palette
+#define rgbpal rgbpalette.palette
+
+ /* Convert palette first */
+ for( i_y = 0; //i_y < p_filter->fmt_in.video.p_palette->i_dummy &&
+ i_y < 256; i_y++ )
+ {
+ yuv_to_rgb( &r, &g, &b, p_pal[i_y][0], p_pal[i_y][1], p_pal[i_y][2] );
+
+ if( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('R','V','1','6') )
+ {
+ *(uint16_t *)rgbpal[i_y] =
+ ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
+ }
+ else
+ {
+ rgbpal[i_y][0] = r; rgbpal[i_y][1] = g; rgbpal[i_y][2] = b;
+ }
+ }
+
+ /* 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 )
+ {
+ /* Draw until we reach the end of the line */
+ for( i_x = 0; i_x < i_width; i_x++ )
+ {
+ if( !p_pal[p_trans[i_x]][3] )
+ {
+ /* Completely transparent. Don't change pixel */
+ continue;
+ }
+ else if( p_pal[p_trans[i_x]][3] == MAX_TRANS ||
+ p_filter->fmt_out.video.i_chroma ==
+ VLC_FOURCC('R','V','1','6') )
+ {
+ /* 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];
+ continue;
+ }
+
+ /* Blending */
+ p_dst[i_x * i_pix_pitch] = ( (uint16_t)rgbpal[p_src2[i_x]][0] *
+ p_pal[p_trans[i_x]][3] +
+ (uint16_t)p_src1[i_x * i_pix_pitch] *
+ (MAX_TRANS - p_pal[p_trans[i_x]][3]) ) >> TRANS_BITS;
+ p_dst[i_x * i_pix_pitch + 1] = ( (uint16_t)rgbpal[p_src2[i_x]][1] *
+ p_pal[p_trans[i_x]][3] +
+ (uint16_t)p_src1[i_x * i_pix_pitch + 1] *
+ (MAX_TRANS - p_pal[p_trans[i_x]][3]) ) >> TRANS_BITS;
+ p_dst[i_x * i_pix_pitch + 2] = ( (uint16_t)rgbpal[p_src2[i_x]][2] *
+ p_pal[p_trans[i_x]][3] +
+ (uint16_t)p_src1[i_x * i_pix_pitch + 2] *
+ (MAX_TRANS - p_pal[p_trans[i_x]][3]) ) >> TRANS_BITS;
+ }
+ }
+
+#undef MAX_TRANS
+#undef TRANS_BITS
+#undef p_trans
+#undef p_pal
+#undef rgbpal
+
+ return;
+}
+
/*****************************************************************************
* CloseFilter: clean up the filter
*****************************************************************************/