[MPlayer-dev-eng] [PATCH] Multi-channel reorder (aac, pcm and ac3)

[Corey Hickey]

Giacomo Comes wrote:
> Here is (hopefully) the final try to include the channels reordering
> code in MPlayer.
> There has been several (different) attempt to fix the problem and none
> of them fully satisfies the developers (planar formats will do, but
> none appears to be intrested in implementing that).
> 
> People intrested can check the following threads for a refresh:

I've benchmarked recent patches using a 7450-second 6-channel WAVE file
(just under the 4GB limit).

time ./mplayer tmp.wav -ao pcm:fast:file=/dev/null -channels 6

MPlayer dev-SVN-r25055-4.2.3 (C) 2000-2007 MPlayer Team
CPU: AMD Athlon(tm) 64 Processor 3400+ (Family: 15, Model: 14, Stepping: 0)

User times for a few runs are listed below.

> [PATCH] audio channel remapping
> http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2006-November/047269.html

(this is my patch using auto-insertion of af_channels)

user    0m37.712s
user    0m36.193s
user    0m37.735s


> [PATCH] [TEST FUNC] Multi-channel reorder function
> http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2007-November/054820.html

(this is Ulion's patch with a channel reordering function)

user    0m19.058s
user    0m18.962s
user    0m19.137s

> The patches I'm submitting are an extension of the ones submitted by
> Alexander Ponyatikh and it seems they are the one with higher probability to
> be accepted.

user    0m56.465s
user    0m58.271s
user    0m57.051s

-Corey