ffmpeg | branch: master | John Stebbins <jstebb...@jetheaddev.com> | Sat Apr  4 
11:45:20 2020 -0600| [c0d3fea6000bae5937df6f5744e1dfdd3ab83795] | committer: 
Philip Langdale

lavc/movtextdec: make sure default font name is set

Signed-off-by: Philip Langdale <phil...@overt.org>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c0d3fea6000bae5937df6f5744e1dfdd3ab83795
---

 libavcodec/movtextdec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavcodec/movtextdec.c b/libavcodec/movtextdec.c
index 6c7d93702e..2481c71af6 100644
--- a/libavcodec/movtextdec.c
+++ b/libavcodec/movtextdec.c
@@ -52,7 +52,7 @@
 
 typedef struct {
     uint16_t fontID;
-    char *font;
+    const char *font;
     uint8_t fontsize;
     int color;
     int back_color;
@@ -251,6 +251,8 @@ static int mov_text_tx3g(AVCodecContext *avctx, 
MovTextContext *m)
         m->ftab_temp = NULL;
         tx3g_ptr = tx3g_ptr + font_length;
     }
+    // In case of broken header, init default font
+    m->d.font = ASS_DEFAULT_FONT;
     for (i = 0; i < m->ftab_entries; i++) {
         if (m->d.fontID == m->ftab[i]->fontID)
             m->d.font = m->ftab[i]->font;

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