[vlc-commits] opensles: use a ring buffer for latency measurement

[Rafaël Carré]

vlc | branch: master | Rafaël Carré <funman at videolan.org> | Thu Dec 20 21:56:40 2012 +0100| [76e6ca8e87ee16f958584fe58e30b8f3732dc9b3] | committer: Rafaël Carré

opensles: use a ring buffer for latency measurement

Now audio codec frame size will not affect latency precision, at the
small cost of one memcpy per frame.
With the maximum number of OpenSLES buffers (255), we can have a precision
of 4ms with a buffer size of ~1 second.

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=76e6ca8e87ee16f958584fe58e30b8f3732dc9b3
---

 modules/audio_output/opensles_android.c |  222 ++++++++++++++++++-------------
 1 file changed, 127 insertions(+), 95 deletions(-)

Diff:   http://git.videolan.org/gitweb.cgi/vlc.git/?a=commitdiff;h=76e6ca8e87ee16f958584fe58e30b8f3732dc9b3