[asterisk-dev] [Code Review] 4105: codec_dahdi: Fix segfault on load.

[Joshua Colp]

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Ship it!


Ship It!

- Joshua Colp


On Oct. 22, 2014, 7:13 p.m., Shaun Ruffell wrote:
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> https://reviewboard.asterisk.org/r/4105/
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> (Updated Oct. 22, 2014, 7:13 p.m.)
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> 
> Review request for Asterisk Developers.
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> Bugs: ASTERISK-24435
>     https://issues.asterisk.org/jira/browse/ASTERISK-24435
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> Repository: Asterisk
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> Description
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> This is another version of https://reviewboard.asterisk.org/r/4100/ that doesn't change anything in the core of Asterisk.  
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> The commit message from original git-patch:
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>     codec_dahdi: Cannot use struct ast_translator.core_{src,src}_codec.                                                                                        
>                                                                                                                                                                
>     This fixes a Segmentation fault introduced in r419044 "media formats: re-architect                                                                         
>     handling of media for performance improvements".                                                                                                           
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>     The problem is that codec_dahdi was using using core_src_codec and core_dst_codec in the                                                                   
>     ast_translator structure when these fields were never set. Now instead of trying to map                                                                    
>     the new core codec descriptions to the way DAHDI defines different codecs, we will store                                                                   
>     the DAHDI specific formats in 'struct translator' directly so we can refer to them without                                                                 
>     mapping.                                                                                                                                                   
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>     This also allows us to remove the "global_format_map" structure, since we can now query                                                                    
>     the list of translators directly to make sure we do not ever register a DAHDI based                                                                        
>     translator for a specific path more than once and eliminate the need to keep the list and                                                                  
>     the map in sync.                                                         
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> 
> Diffs
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>   branches/13/codecs/codec_dahdi.c 426095 
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> Diff: https://reviewboard.asterisk.org/r/4105/diff/
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> Testing
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> Called between two phones with g729 on one side and g722 on the other and made sure transcoder show indicated the transcoder was in use and I could hear myself.
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> Thanks,
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> Shaun Ruffell
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>

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