[asterisk-bugs] [JIRA] (ASTERISK-23958) Media format improvements: make chan_iax2 work

[Jonathan Rose (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-23958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on ASTERISK-23958 started by Jonathan Rose.

> Media format improvements: make chan_iax2 work
> ----------------------------------------------
>
>                 Key: ASTERISK-23958
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23958
>             Project: Asterisk
>          Issue Type: Improvement
>      Security Level: None
>          Components: Channels/chan_iax2
>            Reporter: Matt Jordan
>            Assignee: Jonathan Rose
>
> *Note:* this issue applies only to work that is being done for the new media format architecture branch (team/group/media_formats-reviewed-trunk). 
> The {{IAX2}} channel driver is a bit odd, in that it must treat formats using the historical bit field representation. As such, a compatibility API ({{format_compatibility.h}}) has been provided to map formats/codecs to their bitfield equivalent.
> The code compiles. The module does not load due to a linker error:
> {code}
> *CLI> module load chan_iax2.so
> Unable to load module chan_iax2.so
> Command 'module load chan_iax2.so' failed.
> *CLI> [Jun 26 19:41:39] WARNING[19300]: loader.c:561 load_dynamic_module: Error loading module 'chan_iax2.so': /usr/lib/asterisk/modules/chan_iax2.so: undefined symbol: ast_codec_pref_convert
> {code}
> We need to make {{chan_iax2}} work. It needs to maintain its functionality using the format compatibility API. Preferably, it should not crash, leak memory, or otherwise mess up our lovely new API :-)



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