On Tue, Jun 28, 2011 at 13:43, aviad rozenhek <[email protected]> wrote:

> On Mon, Jun 27, 2011 at 00:41, Luca Barbato <[email protected]> wrote:
>
>> On 6/24/11 4:38 AM, Måns Rullgård wrote:
>>
>>> Luca Barbato<[email protected]>  writes:
>>>
>>>  If the Continuity Check fails drop the whole packet
>>>>
>>>
>>> That's a bit harsh.  There may still be useful data in the parts present.
>>>
>>
>> The current patch makes it return the incomplete frame and resync if I
>> read it correctly.
>>
>>
>>  Consider the situation of a lost TS packet near the end of a frame (not
>>> necessarily end of a PES packet).  The decoder will probably skip to the
>>> next frame header and resume decoding normally there.  By dropping the
>>> entire PES packet, the damage is propagated until the _next_ frame
>>> starts.
>>>
>>
>> I'm not sure about it, let's test with the following adaptation, Aviad
>> could you provide the samples or try yourself?
>>
>> lu
>
>
> I'm not sure I understand what you mean regarding the adaptation, but the
> sample [that crashes without the patch] can be accessed from here
> http://www.datafilehost.com/download-cb99c0d7.html
>
> additionally, the original patch you proposed seems to cause problem with
> some samples [which dont feature any actual data loss], to the point they
> dont ffplay anymore,
> i've also uploaded them:
> http://www.datafilehost.com/download-16ab1765.html
> http://www.datafilehost.com/download-af0b2237.html
>
> ps. datafilehost is relatively painless and requires no login. I would have
> uploaded to your favorite ftp site had it been available. sorry in advance.
>
>
>
I think the continuity check might be wrong, as it reports continuity check
failures even for files which playback perfectly. the two samples I posted
above show this problem

http://www.datafilehost.com/download-16ab1765.html
http://www.datafilehost.com/download-af0b2237.html

-- 
Aviad Rozenhek
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