/**************************************************************************** * 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 ); }