[MPlayer-dev-eng] [PATCH] YUV4MPEG2 mencoder output format
Roine Gustafsson
roine at users.sourceforge.net
Sun Jan 9 19:41:26 CET 2005
On Sunday, Jan 9, 2005, at 18:53 Europe/Stockholm, D Richard Felker III
wrote:
> On Sun, Jan 09, 2005 at 04:12:31PM +0100, Roine Gustafsson wrote:
>
>>>> - Only output to file, not to a pipe
>>>
>>> Huh? There is no difference between file and pipe on *nices
>>
>> the yuv4mpeg vo creates and writes the files itself. The only option
>> is
>> to use a fifo. With mencoder you (should) be able to do
>> mencoder <yadda> -of y4m -o - | y4mscaler [...]
>> which I prefer.
>
> Nope. Not possible. mencoder writes lots of crap with printf so it
> will get mixed into your output and ruin it... :)
Ah, then let's file a bug report!
Normally crap should be written to stderr (unless a -quiet or sth) so
it won't spoil the broth. mjpegtools are excellent examples; they only
do pipes and write crap all the time and don't even think twice about
it.
>> I'd like to add interlacing support, but I don't know how mplayer
>> stores interlacing information internally. Any pointers?
>
> Very simple: it doesn't.
Oh? Not at all? Surely the deinterlacers and the like must know if the
file is interlaced?
/Roine
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