From 79d02780692ff47781ade09449f9450fadea5b75 Mon Sep 17 00:00:00 2001
From: yan yan<yan.yan@amlogic.com>
Date: Tue, 19  Dec  2017  06:42:28  +0000
Subject: DTVCC: make 0x1020(TSP) and 0x1021(NBTSP) be transparent

PD# NONE

Change-Id: I620082569745b6d54d64abea491857e266847f1d
---
diff --git a/src/dtvcc.c b/src/dtvcc.c
index c9802a8..01ccb2f 100644
--- a/src/dtvcc.c
+++ b/src/dtvcc.c
@@ -2468,6 +2468,15 @@ dtvcc_put_char			(struct dtvcc_decoder *	dc,
 
 	dw->buffer[row][column] = c;
 	dw->pen[row][column]    = dw->curr_pen.style;
+	if (c == 0x1020 || c == 0x1021)
+	{
+		if (c == 0x1020)
+			dw->buffer[row][column] = 0x20;
+		else
+			dw->buffer[row][column] = 0xA0;
+		dw->pen[row][column].bg_opacity = OPACITY_TRANSPARENT;
+		dw->pen[row][column].fg_opacity = OPACITY_TRANSPARENT;
+	}
 	//AM_DEBUG(1, "========= putchar %x %c", c, c);
 	if (dw->visible)
 		dtvcc_render(dc, ds);
--
cgit