On 09/27/2012 11:16 AM, Jindřich Makovička wrote:
> 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.
Is there not a clean way to fix the h264 decoder? Not doing so means we
would need to be clear to users that they will also have to check for
this condition (and change api-example accordingly).
-Justin
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