[FFmpeg-devel] [PATCH] Fix empty G-VOP header decoding in MPEG-4

[Anatoly Nenashev]

On 10.02.2011 19:47, M?ns Rullg?rd wrote:
> Anatoly Nenashev<anatoly.nenashev at ovsoft.ru>  writes:
>
>    
>> On 10.02.2011 19:10, M?ns Rullg?rd wrote:
>>      
>>> Anatoly Nenashev<anatoly.nenashev at ovsoft.ru>   writes:
>>>
>>>
>>>        
>>>>>>>>>> There are some cameras which send mpeg-4 streams with empty G-VOP header.
>>>>>>>>>> This part of stream looks like this:
>>>>>>>>>> ... 00 00 01 B3 00 00 00 01 B6 ...
>>>>>>>>>> Sample file uploaded in issue 2592.
>>>>>>>>>> FFmpeg reports "header damaged" and ignores first I-frame in G-VOP.
>>>>>>>>>>
>>>>>>>>>>                      
>>> Do you have a sample of such a broken file?
>>>        
>> Sample file uploaded in issue 2592.
>>      
> Apparently, I cannot read.
>
>    

Direct reference, just in case: 
https://roundup.ffmpeg.org/file1340/mpeg4-bad-gvop.raw