[vlc] Re: Quicktime h264

Brian Raymond braymond at echostorm.net
Sat Aug 20 19:21:34 CEST 2005


I don't knowhow much this will help you but AFAIK the broadcaster's  
multicast mode isn't supported by VLC but you can use VLC to do a  
multicast stream of a Broadcaster encoded H.264 movie.

- Brian


On Aug 19, 2005, at 7:17 AM, Anderson Onir wrote:

> My interest is about play with VLC an h264 multicast live stream,
> encoded in Apple Broadcaster + Quicktime 7.
> It is possible?
>
> With stable binary or i need to compile ?
>
>
> Sorry for my english.
> Thanks,
> Anderson Onir
>
>
> 2005/8/18, Brian Raymond <braymond at echostorm.net>:
>
>> Sorry about the confusion, I wrote that on my cell and it came out
>> wrong.
>>
>> I mainly use VLC for encoding of H.264 using x264 and QT plays it
>> back just fine. For encoding it turned out to be faster on my
>> Powerbook then Apple's encoder with the same quality (visual
>> observation). I can't pull off even low quality real time encodes
>> using Apple's encoder but x264 can do it with acceptable quality.
>>
>> I have Apple encoded H.264 QT files which play back fine in VLC and
>> given that Apple's H.264 support doesn't cover a number of  features
>> off the top of my head I don't see any real areas of incompatibility.
>>
>> - Brian
>>
>>
>> On Aug 18, 2005, at 6:53 PM, Måns Rullgård wrote:
>>
>>
>>> Derk-Jan Hartman <pjotr at sidekick.student.utwente.nl> writes:
>>>
>>>
>>>
>>>> On 18 aug 2005, at 22:52, Måns Rullgård wrote:
>>>>
>>>>
>>>>> "Brian Raymond" <braymond at echostorm.net> writes:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> I've had good experiences with x264 playing back QT encoded
>>>>>> files. AFAIK x264 is more feature rich then Apple's  
>>>>>> implementation
>>>>>> and
>>>>>> at least on my Powerbook it's much faster.
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>> x264 only encodes.  You've probably been using ffmpeg/libavcodec,
>>>>> which can indeed decode most things files, but it's still missing
>>>>> several features, which are not used very often.
>>>>>
>>>>>
>>>>
>>>> No he is not. He said that it's faster then QT, and that is
>>>> impossible since h265 in libavcodec is not altivec optimized etc.
>>>>
>>>>
>>>
>>> Wrong, libavcodec does have altivec optimizations for h264.
>>>
>>>
>>>
>>>> libavcodec is about twice as slow on OSX then QTP.
>>>>
>>>>
>>>
>>> So what is he using then?
>>>
>>> --
>>> Måns Rullgård
>>> mru at inprovide.com
>>>
>>> --
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>>>
>>>
>>
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>
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