Alexander Traud wrote:
I asked this question in
<https://issues.asterisk.org/jira/browse/ASTERISK-25535>:
Since Asterisk 13, Signed-Linear and Speex share the same codec name for all
sample rates, see main/codec_builtin.c:CODEC_REGISTER_AND_CACHE_NAMED(.). I
added SILK and AMR(-WB) as formats to my Asterisk 13. They could benefit
from this as well. However, what is the benefit of this?
I don't know if there's a particular benefit - it just makes logical
sense. Despite being different sample rates they are all the same
underlying codec. That was the reasoning behind it.
Beside that, I found a drawback: ast_format_cache_get(.) does not work for
Speex.
Can you clarify on this? A format cache is a named format - it's not a
codec. Sometimes they may be the same name though and sometimes not.
Some are also historical from before all of this work and can't be
changed. For example for Speex there's "speex", "speex16", and "speex32".
--
Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org
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