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core_unreal: Fix T.38 faxing when using local channels.

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After some changes to streams and topologies, receiving fax through
local channels stopped working. This change adds a stream topology with
a stream of type IMAGE to the local channel pair and allows fax to be
received.

ASTERISK-29035 #close

Change-Id: Id103cc5c9295295d8e68d5628e76220f8f17e9fb
This commit is contained in:
Ben Ford
2021-01-11 14:20:34 -06:00
committed by Friendly Automation
parent a96eb6de6c
commit 00b229c69c
2 changed files with 90 additions and 0 deletions
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2
include/asterisk/core_unreal.h
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@@ -98,6 +98,8 @@ struct ast_unreal_pvt {
/*! Base name of the unreal channels. exten@context or other name. */
char name[AST_MAX_EXTENSION + AST_MAX_CONTEXT + 2];
struct ast_stream_topology *reqtopology; /*!< Requested stream topology */
struct ast_stream_topology *owner_old_topology; /*!< Stored topology for owner side when we need to restore later (faxing) */
struct ast_stream_topology *chan_old_topology; /*!< Stored topology for chan side when we need to restore later (faxing) */
};
#define AST_UNREAL_IS_OUTBOUND(a, b) ((a) == (b)->chan ? 1 : 0)