[vlc-commits] codec: zvbi: handle fully transparent cleaning ttxt

[Francois Cartegnie]

vlc | branch: master | Francois Cartegnie <fcvlcdev at free.fr> | Mon Jun 15 09:57:09 2020 +0200| [d2a7492d148daaf78aad9edb1377b41860a7b267] | committer: Francois Cartegnie

codec: zvbi: handle fully transparent cleaning ttxt

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=d2a7492d148daaf78aad9edb1377b41860a7b267
---

 modules/codec/zvbi.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/modules/codec/zvbi.c b/modules/codec/zvbi.c
index 262bb92607..fe530551c4 100644
--- a/modules/codec/zvbi.c
+++ b/modules/codec/zvbi.c
@@ -423,11 +423,17 @@ static int Decode( decoder_t *p_dec, block_t *p_block )
     /* If there is a page or sub to render, then we do that here */
     /* Create the subpicture unit */
     p_spu = Subpicture( p_dec, &fmt, p_sys->b_text,
-                        p_page.columns, i_num_rows,
+                        p_page.columns, __MAX(i_num_rows, 1),
                         i_align, p_block->i_pts );
     if( !p_spu )
         goto error;
 
+    if( !p_sys->b_text && i_num_rows == 0 )
+    {
+        p_spu->b_ephemer = false;
+        p_spu->i_stop = p_spu->i_start + 1;
+    }
+
     if( p_sys->b_text )
     {
         unsigned int i_textsize = 7000;