/**
* Prepare a picture for display */
static void Prepare(vout_display_t *vd, picture_t *picture, subpicture_t *subpicture)
{
vout_display_sys_t *sys = vd->sys;
if (!sys->dither) {
/* Create the libcaca dither object */
sys->dither = cucul_create_dither(32,
vd->source.i_visible_width,
vd->source.i_visible_height,
picture->p[0].i_pitch,
vd->fmt.i_rmask,
vd->fmt.i_gmask,
vd->fmt.i_bmask,
0x00000000);
if (!sys->dither) {
msg_Err(vd, "could not create libcaca dither object");
return;
}
}
vout_display_place_t place;
Place(vd, &place);
cucul_set_color_ansi(sys->cv, CUCUL_COLOR_DEFAULT, CUCUL_COLOR_BLACK);
cucul_clear_canvas(sys->cv);
const int crop_offset = vd->source.i_y_offset * picture->p->i_pitch +
vd->source.i_x_offset * picture->p->i_pixel_pitch;
cucul_dither_bitmap(sys->cv, place.x, place.y,
place.width, place.height,
sys->dither,
&picture->p->p_pixels[crop_offset]);
VLC_UNUSED(subpicture);
}
/*****************************************************************************
* Init: initialize libcaca video output thread
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
int i_index;
picture_t *p_pic = NULL;
I_OUTPUTPICTURES = 0;
p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->output.i_aspect = p_vout->render.i_aspect;
p_vout->output.i_rmask = 0x00ff0000;
p_vout->output.i_gmask = 0x0000ff00;
p_vout->output.i_bmask = 0x000000ff;
/* Create the libcaca dither object */
p_vout->p_sys->p_dither = cucul_create_dither
( 32, p_vout->output.i_width, p_vout->output.i_height,
4 * ((p_vout->output.i_width + 15) & ~15),
p_vout->output.i_rmask, p_vout->output.i_gmask,
p_vout->output.i_bmask, 0x00000000 );
if( !p_vout->p_sys->p_dither )
{
msg_Err( p_vout, "could not create libcaca dither object" );
return VLC_EGENERIC;
}
/* Find an empty picture slot */
for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
{
if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
{
p_pic = p_vout->p_picture + i_index;
break;
}
}
if( p_pic == NULL )
{
return VLC_EGENERIC;
}
/* Allocate the picture */
p_pic->p->i_lines = p_vout->output.i_height;
p_pic->p->i_visible_lines = p_vout->output.i_height;
p_pic->p->i_pitch = 4 * ((p_vout->output.i_width + 15) & ~15);
p_pic->p->i_pixel_pitch = 4;
p_pic->p->i_visible_pitch = 4 * p_vout->output.i_width;
p_pic->i_planes = 1;
p_pic->p->p_pixels = malloc( p_pic->p->i_pitch * p_pic->p->i_lines );
p_pic->i_status = DESTROYED_PICTURE;
p_pic->i_type = DIRECT_PICTURE;
PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
I_OUTPUTPICTURES++;
return VLC_SUCCESS;
}