[FFmpeg-devel] [PATCH] Add convenience macros for 5.0/5.1 back speaker configurations

Michael Niedermayer michaelni
Mon Apr 6 02:17:28 CEST 2009

On Sun, Apr 05, 2009 at 07:39:16PM -0400, Justin Ruggles wrote:
> Hi,
> The default 5.1-channel configuration on Windows is 0x3F (back
> speakers), not 0x60F (side speakers). Microsoft decided to not use 0x60F
> even after the addition of 7.1-channel layouts and instead said that
> 0x3F should send audio to the side speakers, not back speakers.  This is
> explained in more detail in their document, "Audio Driver Support for
> Home Theater Speaker Configurations"[1]
> These macros can useful for encoders that want to support either layout
> since it is ambiguous as to the true intent.

patch looks ok

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In a rich man's house there is no place to spit but his face.
-- Diogenes of Sinope
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20090406/7a8c61ef/attachment.pgp>

More information about the ffmpeg-devel mailing list