[Ffmpeg-devel] [PATCH] xan_dpcm in MPlayer + libavformat

[Måns Rullgård]

Diego Biurrun <diego at biurrun.de> writes:

> On Sat, Nov 18, 2006 at 01:01:43AM +0000, M?ns Rullg?rd wrote:
>> Diego Biurrun <diego at biurrun.de> writes:
>> 
>> > On Fri, Nov 17, 2006 at 04:34:45PM -0800, Mike Melanson wrote:
>> >> Diego Biurrun wrote:
>> >> >Attached patch is necessary to make xan_dpcm work in MPlayer with the
>> >> >libavformat AVI demuxer.  Since it just adds another line to an already
>> >> >present hack I hope it's acceptable...
>> >> 
>> >> Seems reasonable. I guess the API changed enough that this is necessary?
>> >
>> > Without this the audio gets misdetected as PCM since the codec_tag is 1
>> > in the AVI header.
>> 
>> I wonder how they plan on storing xan dpcm in nut...
>
> FourCC Axan?  Where is the problem?

You said yourself that xan dpcm audio is stored in avi with a codec
tag of 0x0001, and audio codecs don't have a fourcc at all.  The xan
video uses a fourcc of Xxan, so what is this Axan you're talking
about?

-- 
M?ns Rullg?rd
mru at inprovide.com