Hi,

I encountered $subj, with a (possibly broken, but I am not sure) h264
stream, where the packet (or rather the rest of it) decoded in
try_decode_frame contained 3 bytes, and avcodec_decode_video consumed
no bytes, causing an infinite loop.

More precisely, the last three bytes being processed were [54, 239,
162] and h264.c:decode_frame always bailed out on the following
condition:

if (!s->current_picture_ptr && h->nal_unit_type == NAL_END_SEQUENCE) {

The attached patch adds a break if the decoder consumes no bytes and
produces no picture.

Regards,
-- 
Jindřich Makovička

Attachment: 0001-avoid-infinite-loop-in-try_decode_frame.patch
Description: Binary data

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