diff options
Diffstat (limited to 'main/channel.c')
| -rw-r--r-- | main/channel.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/main/channel.c b/main/channel.c index 632d47247..74de9caac 100644 --- a/main/channel.c +++ b/main/channel.c @@ -10843,22 +10843,29 @@ enum ast_channel_error ast_channel_errno(void) int ast_channel_request_stream_topology_change(struct ast_channel *chan, struct ast_stream_topology *topology, void *change_source) { + int res; + ast_assert(chan != NULL); ast_assert(topology != NULL); + ast_channel_lock(chan); if (!ast_channel_is_multistream(chan) || !ast_channel_tech(chan)->indicate) { + ast_channel_unlock(chan); return -1; } if (ast_stream_topology_equal(ast_channel_get_stream_topology(chan), topology)) { ast_debug(3, "Topology of %s already matches what is requested so ignoring topology change request\n", ast_channel_name(chan)); + ast_channel_unlock(chan); return 0; } ast_channel_internal_set_stream_topology_change_source(chan, change_source); - return ast_channel_tech(chan)->indicate(chan, AST_CONTROL_STREAM_TOPOLOGY_REQUEST_CHANGE, topology, sizeof(topology)); + res = ast_channel_tech(chan)->indicate(chan, AST_CONTROL_STREAM_TOPOLOGY_REQUEST_CHANGE, topology, sizeof(topology)); + ast_channel_unlock(chan); + return res; } int ast_channel_stream_topology_changed(struct ast_channel *chan, struct ast_stream_topology *topology) |