The problem was introduced in commit 1273bc6.
Signed-off-by: Andreas Cadhalpun <[email protected]>
---
libavformat/matroskadec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 8847c62..a5d3c0e 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1759,7 +1759,7 @@ static int mkv_field_order(MatroskaDemuxContext
*matroska, int64_t field_order)
/* workaround a bug in our Matroska muxer, introduced in version 57.36
alongside
* this function, and fixed in 57.52 */
- if (sscanf(matroska->muxingapp, "Lavf%d.%d.%d", &major, &minor, µ) ==
3)
+ if (matroska->muxingapp && sscanf(matroska->muxingapp, "Lavf%d.%d.%d",
&major, &minor, µ) == 3)
bttb = (major == 57 && minor >= 36 && minor <= 51 && micro >= 100);
switch (field_order) {
--
2.9.3
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