[MPlayer-users] Problem with avc1 mp4

Andy Furniss andyqos at ukfsn.org
Tue May 15 22:53:51 CEST 2012


Reimar Döffinger wrote:
> On Tue, May 15, 2012 at 08:15:00PM +0100, Andy Furniss wrote:
>> Reimar Döffinger wrote:
>>> On Tue, May 15, 2012 at 01:57:02PM +0200, Ingo Brückl wrote:
>>>> I have problems playing avc1 encoded mp4 files (like the short sample
>>>> http://www.html5tutorial.info/media/html5iscool.mp4).
>>>
>>> Thanks for the sample, it should be fixed.
>>> I think the issue is for H.264 without B-frames, though probably
>>> all non-B-frames were discarded in general for H.264, leading
>>> to non-smooth playback in all cases.
>>
>> Playback of bluray or broadcast HD 264 is still broken for me - non
>> smooth, missing/repeated frames. The sample plays fine now.
>
> Do you have a sample file where this is obvious?
> Are you using multithreaded decoding?
> If yes, does it also happen with -lavdopts threads=1 ?

It's the same with threads=1, also tried -nosound and -vo xv (normally 
use r600 vdpau). Sample is 50meg (and blank for first 2-3 secs).

http://www.andyqos.ukfsn.org/judder.m2ts


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