When called from the v4l2 input device, pix_fmt can be
AV_PIX_FMT_NONE (for jpeg formats). Before 50ba57e0, this wasn't
an issue for avpicture_get_size, but after that commit, this
lead to crashes.
---
Alternative approach as suggested by Janne.
libavcodec/avpicture.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/avpicture.c b/libavcodec/avpicture.c
index ec4e748..259fd8e 100644
--- a/libavcodec/avpicture.c
+++ b/libavcodec/avpicture.c
@@ -88,6 +88,8 @@ int avpicture_get_size(enum AVPixelFormat pix_fmt, int width,
int height)
AVPicture dummy_pict;
int ret;
+ if (!desc)
+ return AVERROR(EINVAL);
if ((ret = av_image_check_size(width, height, 0, NULL)) < 0)
return ret;
if (desc->flags & PIX_FMT_PSEUDOPAL)
--
1.7.9.4
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