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channel.c: Allow generic plc then channel formats are equal

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If the two formats on a channel are equal, we don't transcode and since
the generic plc needs slin to work, it doesn't get invoked.

* A new configuration option "genericplc_on_equal_codecs" was added
  to the "plc" section of codecs.conf to allow generic packet loss
  concealment even if no transcoding was originally needed.
  Transcoding via SLIN is forced in this case.

ASTERISK-27743

Change-Id: I0577026a179dea34232e63123254b4e0508378f4
This commit is contained in:
George Joseph
2018-03-16 09:19:11 -06:00
parent 5843a19797
commit 5d097f8236
6 changed files with 35 additions and 4 deletions
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9
main/plc.c
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@@ -262,10 +262,19 @@ static int reload_module(void)
for (var = ast_variable_browse(cfg, "plc"); var; var = var->next) {
if (!strcasecmp(var->name, "genericplc")) {
ast_set2_flag(&ast_options, ast_true(var->value), AST_OPT_FLAG_GENERIC_PLC);
} else if (!strcasecmp(var->name, "genericplc_on_equal_codecs")) {
ast_set2_flag(&ast_options, ast_true(var->value), AST_OPT_FLAG_GENERIC_PLC_ON_EQUAL_CODECS);
}
}
ast_config_destroy(cfg);
/*
* Force on_equal_codecs to false if generic_plc is false.
*/
if (!ast_opt_generic_plc) {
ast_set2_flag(&ast_options, 0, AST_OPT_FLAG_GENERIC_PLC_ON_EQUAL_CODECS);
}
return 0;
}