[MPlayer-users] lavc libvpx

Rolf Ernst rolf.ernst at silverlightning.org
Wed Jun 23 19:38:40 CEST 2010


On 6/23/2010 11:59 AM, Reimar Döffinger wrote:
> On Tue, Jun 22, 2010 at 01:53:31PM -0500, Rolf Ernst wrote:
>    
>> On 6/22/2010 1:52 PM, Reimar Döffinger wrote:
>>      
>>> On Tue, Jun 22, 2010 at 12:10:49AM -0500, Rolf Ernst wrote:
>>>        
>>>> I am still tinkering with libvpx and don't understand why libavcodec does
>>>> not find it. This is my command and output:
>>>>          
>>> Actually, detection for then encoder was forgotten to be added to
>>> the configure script.
>>> It's not quite right, but you can try below change
>>> Index: configure
>>> ===================================================================
>>> --- configure   (revision 31528)
>>> +++ configure   (working copy)
>>> @@ -7678,6 +7695,7 @@
>>>   if test "$_libvpx_lavc" = yes ; then
>>>     def_libvpx_lavc='#define CONFIG_LIBVPX 1'
>>>     _libavdecoders="$_libavdecoders LIBVPX_DECODER"
>>> +  _libavencoders="$_libavencoders LIBVPX_ENCODER"
>>>     codecmodules="libvpx $codecmodules"
>>>   else
>>>     def_libvpx_lavc='#define CONFIG_LIBVPX 0'
>>>        
>> thank you so much!
>>      
> I conclude from that it works.
> Applied an improved version.
> Disadvantage is it won't work if you have decode-only libvpx.
> Not much of a disadvantage since FFmpeg now has a native decoder
> (though I just realize codecs.conf needs to be updated to support it).
>    
Reimar,

that works fine as well. There is still an issue with mencoder bombing 
when picking the webm output format but I haven't researched this 
sufficiently. Might be an error on my behalf or the lack of vorbis audio 
- I have been throwing this binary somewhat together to explore the 
options. It multiplexes just fine into Matroska.

Again, thanks a lot.

/re


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