[FFmpeg-devel] [ffmpeg-devel] issue with decoding h.264 video from tandberg encoder

Ivan Ng ivan
Mon Dec 17 11:04:36 CET 2007


Since you had the same problem with the Tandberg encoder, did you try 
any alternative solution to overcome the problem?

Ivan

Steven Ellis wrote:
>> Hello,
>>
>> Interestingly, I had no problems with the decoding for quite a lot of
>> H.264 video (as in no artifacts or jitter in the displayed video) even
>> when the message
>>
>> [h264 @ 0x844a910]Interlaced pictures + spatial direct mode is not
>> implemented
>>
>> was reported. But with the H.264 video from the Tandberg encoder, the
>> decoded video was crappy. So I am wondering what's the difference
>> between those interlaced video. Did you see the artifacts and jitter in
>> the video when you play them back?
>>
>> Sorry for my reposting. I would want to be more patient, but the
>> deadline for my project delivery is around the corner. If this cannot be
>> resolved in libavcodec in the short term, I would need to turn to
>> something else. I don't mind paying money as long I can get those H.264
>> video from the Tandberg encoder decoded properly in order to save my ass
>> :-)
>>     
>
> We appear to have the same Tandberg gear in use for DTT here in NZ, so we
> are hitting the same issues with FFMPEG. It also appears they have decided
> to utilise AAC for the audio streams.
>
> Steve
>
>
>   
>> Jeff Downs wrote:
>>     
>>> On Mon, 17 Dec 2007, Ivan Ng wrote:
>>>
>>>
>>>       
>>>> Anybody has a chance to look into this H.264 decoding issue I reported
>>>> with MPlayer/incoming/h264_decoding_problem/h264_decoding_problem.ts ?
>>>> I would appreciate if someone can tell me whether this is a known
>>>> problem, and whether this issue can or cannot be resolved in the
>>>> short-term.
>>>>
>>>> Sorry for asking a stupid question : Anyway to escalate the solving of
>>>> this problem if we are prepared to pay a professional fee? Thanks.
>>>>
>>>>         
>>> I assume you are getting a message like this:
>>>
>>> [h264 @ 0x844a910]Interlaced pictures + spatial direct mode is not
>>> implemented
>>>
>>> That's what I get with this sample.
>>>
>>> If that is the case, then you don't have an "issue" (its not a bug) --
>>> rather, its something we know doesn't work ("not implemented").
>>>
>>>
>>> If not, then I am not able to reproduce and you need to provide more
>>> details (read and follow bug report guidelines).
>>>
>>>
>>> Your patience is appreciated -- reposting the issue within days doesn't
>>> make anyone look at it any faster.
>>>
>>> 	-Jeff
>>>
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>>>
>>>
>>>       
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>>     
>
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