/****************************************************************************
* Filter: the whole thing
****************************************************************************
* This function outputs subpictures at regular time intervals.
****************************************************************************/
static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
{
filter_sys_t *p_sys = p_filter->p_sys;
subpicture_t *p_spu;
subpicture_region_t *p_region;
video_format_t fmt;
if( p_sys->i_last_date && p_sys->i_last_date + 5000000 > date ) return 0;
/* Allocate the subpicture internal data. */
p_spu = p_filter->pf_sub_buffer_new( p_filter );
if( !p_spu ) return NULL;
/* Create new SPU region */
memset( &fmt, 0, sizeof(video_format_t) );
fmt.i_chroma = VLC_FOURCC('Y','U','V','A');
fmt.i_aspect = VOUT_ASPECT_FACTOR;
fmt.i_sar_num = fmt.i_sar_den = 1;
fmt.i_width = fmt.i_visible_width = p_sys->i_width;
fmt.i_height = fmt.i_visible_height = p_sys->i_height;
fmt.i_x_offset = fmt.i_y_offset = 0;
p_region = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt );
if( !p_region )
{
msg_Err( p_filter, "cannot allocate SPU region" );
p_filter->pf_sub_buffer_del( p_filter, p_spu );
return NULL;
}
vout_CopyPicture( p_filter, &p_region->picture, p_sys->p_pic );
p_region->i_x = 0;
p_region->i_y = 0;
p_spu->i_x = p_sys->posx;
p_spu->i_y = p_sys->posy;
p_spu->i_flags = p_sys->pos;
p_spu->b_absolute = p_sys->b_absolute;
p_spu->p_region = p_region;
p_spu->i_start = p_sys->i_last_date = date;
p_spu->i_stop = 0;
p_spu->b_ephemer = VLC_TRUE;
return p_spu;
}
/**
* This function will inject a subpicture into the vout with the provided
* picture
*/
static int VoutSnapshotPip( vout_thread_t *p_vout, image_handler_t *p_image, picture_t *p_pic, const video_format_t *p_fmt_in )
{
video_format_t fmt_in = *p_fmt_in;
video_format_t fmt_out;
picture_t *p_pip;
subpicture_t *p_subpic;
/* */
memset( &fmt_out, 0, sizeof(fmt_out) );
fmt_out = fmt_in;
fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
/* */
p_pip = image_Convert( p_image, p_pic, &fmt_in, &fmt_out );
if( !p_pip )
return VLC_EGENERIC;
p_subpic = spu_CreateSubpicture( p_vout->p_spu );
if( p_subpic == NULL )
{
picture_Release( p_pip );
return VLC_EGENERIC;
}
p_subpic->i_channel = 0;
p_subpic->i_start = mdate();
p_subpic->i_stop = mdate() + 4000000;
p_subpic->b_ephemer = true;
p_subpic->b_fade = true;
p_subpic->i_original_picture_width = fmt_out.i_width * 4;
p_subpic->i_original_picture_height = fmt_out.i_height * 4;
fmt_out.i_aspect = 0;
fmt_out.i_sar_num =
fmt_out.i_sar_den = 0;
p_subpic->p_region = spu_CreateRegion( p_vout->p_spu, &fmt_out );
if( p_subpic->p_region )
vout_CopyPicture( p_image->p_parent, &p_subpic->p_region->picture, p_pip );
picture_Release( p_pip );
spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
return VLC_SUCCESS;
}
/*****************************************************************************
* Render: render the logo onto the video
*****************************************************************************/
static void Render( vout_thread_t *p_vout, picture_t *p_pic )
{
vout_sys_t *p_sys = p_vout->p_sys;
picture_t *p_outpic;
/* This is a new frame. Get a structure from the video_output. */
while( !(p_outpic = vout_CreatePicture( p_sys->p_vout, 0, 0, 0 )) )
{
if( p_vout->b_die || p_vout->b_error ) return;
msleep( VOUT_OUTMEM_SLEEP );
}
vout_CopyPicture( p_vout, p_outpic, p_pic );
vout_DatePicture( p_sys->p_vout, p_outpic, p_pic->date );
p_sys->p_blend->pf_video_blend( p_sys->p_blend, p_outpic, p_outpic,
p_sys->p_pic, p_sys->posx, p_sys->posy,
255 );
vout_DisplayPicture( p_sys->p_vout, p_outpic );
}
