[FFmpeg-devel] [PATCH 1/2] avcodec/movtextenc: Fix potential use of unitialized value
Andreas Rheinhardt
andreas.rheinhardt at gmail.com
Thu Oct 15 17:00:50 EEST 2020
Background colour was never initialized if no style was available.
Use a sane default of zero (i.e. completely transparent).
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
---
libavcodec/movtextenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/movtextenc.c b/libavcodec/movtextenc.c
index b2368b641b..00ebca2e56 100644
--- a/libavcodec/movtextenc.c
+++ b/libavcodec/movtextenc.c
@@ -202,7 +202,7 @@ static int encode_sample_description(AVCodecContext *avctx)
ASS * ass;
ASSStyle * style;
int i, j;
- uint32_t tsmb_size, tsmb_type, back_color, style_color;
+ uint32_t tsmb_size, tsmb_type, back_color = 0, style_color;
uint16_t style_start, style_end, fontID, count;
int font_names_total_len = 0;
MovTextContext *s = avctx->priv_data;
--
2.25.1
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