[asterisk-bugs] [JIRA] (ASTERISK-28735) Realtime MoH Unknown format '' -- defaulting to SLIN

[Sean Bright (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=249715#comment-249715 ] 

Sean Bright edited comment on ASTERISK-28735 at 2/11/20 7:53 AM:
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bq. Secondly, SLIN format is used where transcoding may be required depending on the channels native format.

When an {{mohclass}} is first created, we set the format to signed linear by default, so setting it to signed linear again is effectively a NOP.


was (Author: seanbright):
bq. Secondly, SLIN format is used where transcoding may be required depending on the channels native format.

When an {{mohclass}} is first created, we set the format to signed linear by default, so setting it to signed linear again is effective a NOP.

> Realtime MoH Unknown format '' -- defaulting to SLIN
> ----------------------------------------------------
>
>                 Key: ASTERISK-28735
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28735
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_musiconhold
>    Affects Versions: GIT, 13.31.0, 16.8.0, 17.2.0
>         Environment: CentOS 7
>            Reporter: Ross Beer
>            Assignee: Sean Bright
>              Labels: patch
>         Attachments: ASTERISK-28735.patch
>
>
> A recent change to the res_odbc.c has caused res_musiconhold.c to show the following message when using a realtime database:
> {code}
> res_musiconhold.c:1126 moh_parse_options: Unknown format '' -- defaulting to SLIN
> {code}
> When using the 'file' playback method, you do not specify a 'format' and therefore the option is passed '' as the variable.
> This has two side effects, firstly the above message is displayed in the CLI/Logs. Secondly, SLIN format is used where transcoding may be required depending on the channels native format.
> To resolve this we need to add an additional check to the 'format' if statement:
> {code}
> 		} else if (!strcasecmp(var->name, "format") && !var->value) {
> 			ao2_cleanup(mohclass->format);
> 			mohclass->format = ast_format_cache_get(var->value);
> 			if (!mohclass->format) {
> 				ast_log(LOG_WARNING, "Unknown format '%s' -- defaulting to SLIN\n", var->value);
> 				mohclass->format = ao2_bump(ast_format_slin);
> 			}
> {code}



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