[mythtv-users] mplayer - no matching codec with xvmc driver

[Robin Gilks]

> On 8/31/05, Robin Gilks <g8ecj at gilks.org> wrote:
>>
>>
>> > Robin Gilks wrote:
>> >
>> >>Greetings
>> >>
>> >>Almost got my sp13000 frontend to work correctly apart from CPU load
>> on
>> >>mpeg4 videos with mplayer.
>> >>
>> >>Has anyone ever actually got mplayer to work with the xvmc driver on
>> an
>> >>Epia m/b? If so, what version of ffmpeg did you use as this is a
>> circle
>> >>I've been round so many times now trying to get the magic "-vo xvmc
>> -vc
>> >>ffmpeg12mc" to work!
>> >>
>> >>Cheers
>> >>
>> >>
>> >>
>> > Doesn't the video decoding chipset on Via EPIA motherboards only help
>> > with MPEG2? I haven't tried the xvmc-patched mplayer with MPEG2
>> either,
>> > so I can't help much there I'm afraid.
>> >
>> > Cheers,
>> >
>> > Jon
>> >
>> Hi Jon
>>
>> The SP13000 uses a CN400 rather than a CLE266 chipset and this has mpeg4
>> as well as mpeg2 decode - thats why I bought it!!
>>
>>
>> --
>> Robin Gilks
>>
>>
>>
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>>
>
> I don't think it can work with the current ffmpeg. When I tried running
> mplayer with xvmc I got:
>
> Forced video codec: ffmpeg12mc
> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> Cannot find codec 'mpegvideo_xvmc' in libavcodec...
>
> I looked through the code and don't find mpegvideo_xvmc. Some ffmpeg
> documents say mpegvideo_xvmc had problem. It may have been removed, don't
> know. I've put a couple messages on the ffmpeg list but got no replies.
>

I've since found out that mplayer has its own copy of ffmpeg - the patch
from http://myth.ivor.org/unichrome/ patches the avcodec lib but it still
doesn't work - at least not for me. I stll get no matching codec error
:-((


-- 
Robin Gilks