[FFmpeg-devel] [PATCH] libopus: decode ambisonics with non-diegetic sources

[Michael Niedermayer]

On Fri, Feb 10, 2017 at 06:42:55PM +0000, Felicia Lim wrote:
> Hi all,
> 
> The attached patch allows libavcodec/opus to decode ambisonics with
> non-diegetic stereo stream in an ogg/opus container, as is being added in
> this IETF standards draft [1].
> 
> Please let me know if there are any concerns.
> 
> Thanks,
> Felicia
> 
> [1] https://tools.ietf.org/html/draft-ietf-codec-ambisonics-01#section-3.1

>  opus.c |    6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 118751c3eaf7bf909eda8abe6aa9737fd36286b7  0001-libopus-decode-ambisonics-with-non-diegetic-sources.patch
> From 0798655323605d44d4f75e48fbfc940be0ba7423 Mon Sep 17 00:00:00 2001
> From: Felicia <flim at google.com>
> Date: Mon, 6 Feb 2017 15:49:36 -0800
> Subject: [PATCH] libopus: decode ambisonics with non-diegetic sources
> 
> Channel mapping 2 additionally supports a non-diegetic stereo track
> appended to the end of a full-order ambisonics signal, such that the
> total channel count is either
>   (n + 1) ^ 2, or
>   (n + 1) ^ 2 + 2
> where n is the ambisonics order

applied

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I have often repented speaking, but never of holding my tongue.
-- Xenocrates
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