+ p_scale = vlc_custom_create( p_obj, sizeof(filter_t),
+ VLC_OBJECT_GENERIC, "scale" );
+ if( !p_scale )
+ return NULL;
+
+ es_format_Init( &p_scale->fmt_in, VIDEO_ES, 0 );
+ p_scale->fmt_in.video.i_chroma = i_chroma;
+ p_scale->fmt_in.video.i_width =
+ p_scale->fmt_in.video.i_height = 32;
+
+ es_format_Init( &p_scale->fmt_out, VIDEO_ES, 0 );
+ p_scale->fmt_out.video.i_chroma = i_chroma;
+ p_scale->fmt_out.video.i_width =
+ p_scale->fmt_out.video.i_height = 16;
+
+ p_scale->pf_vout_buffer_new = spu_new_video_buffer;
+ p_scale->pf_vout_buffer_del = spu_del_video_buffer;
+
+ vlc_object_attach( p_scale, p_obj );
+ p_scale->p_module = module_Need( p_scale, "video filter2", 0, 0 );
+
+ return p_scale;
+}
+
+static void SpuRenderCreateAndLoadScale( spu_t *p_spu )
+{
+ /* FIXME: We'll also be using it for YUVA and RGBA blending ... */
+
+ assert( !p_spu->p_scale );
+ assert( !p_spu->p_scale_yuvp );
+ p_spu->p_scale = CreateAndLoadScale( VLC_OBJECT(p_spu), VLC_FOURCC('Y','U','V','A') );
+ p_spu->p_scale_yuvp = p_spu->p_scale_yuvp = CreateAndLoadScale( VLC_OBJECT(p_spu), VLC_FOURCC('Y','U','V','P') );
+}
+
+static void SpuRenderText( spu_t *p_spu, bool *pb_rerender_text,
+ subpicture_t *p_subpic, subpicture_region_t *p_region, int i_min_scale_ratio )
+{
+ assert( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') );
+
+ if( !p_spu->p_text || !p_spu->p_text->p_module )
+ goto exit;
+
+ /* Setup 3 variables which can be used to render
+ * time-dependent text (and effects). The first indicates
+ * the total amount of time the text will be on screen,
+ * the second the amount of time it has already been on
+ * screen (can be a negative value as text is layed out
+ * before it is rendered) and the third is a feedback
+ * variable from the renderer - if the renderer sets it
+ * then this particular text is time-dependent, eg. the
+ * visual progress bar inside the text in karaoke and the
+ * text needs to be rendered multiple times in order for
+ * the effect to work - we therefore need to return the
+ * region to its original state at the end of the loop,
+ * instead of leaving it in YUVA or YUVP.
+ * Any renderer which is unaware of how to render
+ * time-dependent text can happily ignore the variables
+ * and render the text the same as usual - it should at
+ * least show up on screen, but the effect won't change
+ * the text over time.
+ */
+
+ /* FIXME why these variables are recreated every time and not
+ * when text renderer module was created ? */
+ var_Create( p_spu->p_text, "spu-duration", VLC_VAR_TIME );
+ var_Create( p_spu->p_text, "spu-elapsed", VLC_VAR_TIME );
+ var_Create( p_spu->p_text, "text-rerender", VLC_VAR_BOOL );
+ var_Create( p_spu->p_text, "scale", VLC_VAR_INTEGER );
+
+ var_SetTime( p_spu->p_text, "spu-duration", p_subpic->i_stop - p_subpic->i_start );
+ var_SetTime( p_spu->p_text, "spu-elapsed", mdate() - p_subpic->i_start );
+ var_SetBool( p_spu->p_text, "text-rerender", false );
+ var_SetInteger( p_spu->p_text, "scale", i_min_scale_ratio );
+
+ if( p_spu->p_text->pf_render_html && p_region->psz_html )
+ {
+ p_spu->p_text->pf_render_html( p_spu->p_text,
+ p_region, p_region );
+ }
+ else if( p_spu->p_text->pf_render_text )
+ {
+ p_spu->p_text->pf_render_text( p_spu->p_text,
+ p_region, p_region );
+ }
+ *pb_rerender_text = var_GetBool( p_spu->p_text, "text-rerender" );
+
+ var_Destroy( p_spu->p_text, "spu-duration" );
+ var_Destroy( p_spu->p_text, "spu-elapsed" );
+ var_Destroy( p_spu->p_text, "text-rerender" );
+ var_Destroy( p_spu->p_text, "scale" );
+
+exit:
+ p_region->i_align |= SUBPICTURE_RENDERED;
+}
+
+static void SpuRenderRegion( spu_t *p_spu,
+ picture_t *p_pic_dst, picture_t *p_pic_src,
+ subpicture_t *p_subpic, subpicture_region_t *p_region,
+ const int i_scale_width_orig, const int i_scale_height_orig,
+ const int pi_subpic_x[SCALE_SIZE],
+ const int pi_scale_width[SCALE_SIZE],
+ const int pi_scale_height[SCALE_SIZE],
+ const video_format_t *p_fmt )
+{
+ video_format_t fmt_original;
+ bool b_rerender_text;
+ bool b_restore_format = false;
+ int i_fade_alpha;
+ int i_x_offset;
+ int i_y_offset;
+ int i_scale_idx;
+ int i_inv_scale_x;
+ int i_inv_scale_y;
+ filter_t *p_scale;
+
+ vlc_assert_locked( &p_spu->subpicture_lock );
+
+ fmt_original = p_region->fmt;
+ b_rerender_text = false;
+ if( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') )
+ {
+ SpuRenderText( p_spu, &b_rerender_text, p_subpic, p_region, __MIN(i_scale_width_orig, i_scale_height_orig) );
+ b_restore_format = b_rerender_text;
+
+ /* Check if the rendering has failed ... */
+ if( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') )
+ goto exit;
+ }
+
+ if( p_region->i_align & SUBPICTURE_RENDERED )
+ {
+ /* We are using a region which come from rendered text */
+ i_scale_idx = SCALE_TEXT;
+ i_inv_scale_x = i_scale_width_orig;
+ i_inv_scale_y = i_scale_height_orig;
+ }
+ else
+ {
+ i_scale_idx = SCALE_DEFAULT;
+ i_inv_scale_x = 1000;
+ i_inv_scale_y = 1000;
+ }
+
+ i_x_offset = (p_region->i_x + pi_subpic_x[ i_scale_idx ]) * i_inv_scale_x / 1000;
+ i_y_offset = (p_region->i_y + p_subpic->i_y) * i_inv_scale_y / 1000;
+
+ /* Force palette if requested
+ * FIXME b_force_palette and b_force_crop are applied to all subpictures using palette
+ * instead of only the right one (being the dvd spu).
+ */
+ const bool b_using_palette = p_region->fmt.i_chroma == VLC_FOURCC('Y','U','V','P');
+ const bool b_force_palette = b_using_palette && p_spu->b_force_palette;
+ const bool b_force_crop = b_force_palette && p_spu->b_force_crop;
+
+ if( b_force_palette )
+ {
+ /* It looks so wrong I won't comment
+ * p_palette->palette is [256][4] with a int i_entries
+ * p_spu->palette is [4][4]
+ * */
+ p_region->fmt.p_palette->i_entries = 4;
+ memcpy( p_region->fmt.p_palette->palette, p_spu->palette, 4*sizeof(uint32_t) );
+ }
+
+ if( b_using_palette )
+ p_scale = p_spu->p_scale_yuvp;
+ else
+ p_scale = p_spu->p_scale;
+
+ if( p_scale &&
+ ( ( pi_scale_width[i_scale_idx] > 0 && pi_scale_width[i_scale_idx] != 1000 ) ||
+ ( pi_scale_height[i_scale_idx] > 0 && pi_scale_height[i_scale_idx] != 1000 ) ||
+ ( b_force_palette ) ) )
+ {
+ const unsigned i_dst_width = p_region->fmt.i_width * pi_scale_width[i_scale_idx] / 1000;
+ const unsigned i_dst_height = p_region->fmt.i_height * pi_scale_height[i_scale_idx] / 1000;
+
+ /* Destroy if cache is unusable */
+ if( p_region->p_cache )