From cb150d54fc4a104291b4a5e42bbc5d1c43227233 Mon Sep 17 00:00:00 2001
From: doronhi <doron.hirshberg@intel.com>
Date: Tue, 13 Aug 2019 15:40:36 +0300
Subject: [PATCH] as the default value of stream_index is -1, so its range
 should include -1.

---
 src/proc/synthetic-stream.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/proc/synthetic-stream.cpp b/src/proc/synthetic-stream.cpp
index 90c80c03b7..71b98fe3e0 100644
--- a/src/proc/synthetic-stream.cpp
+++ b/src/proc/synthetic-stream.cpp
@@ -189,7 +189,7 @@ namespace librealsense
             _stream_filter.format = static_cast<rs2_format>((int)val);
         });
 
-        auto index_selector = std::make_shared<ptr_option<int>>(0, std::numeric_limits<int>::max(), 1, -1, &_stream_filter.index, "Stream index");
+        auto index_selector = std::make_shared<ptr_option<int>>(-1, std::numeric_limits<int>::max(), 1, -1, &_stream_filter.index, "Stream index");
         index_selector->on_set([this, index_selector](float val)
         {
             std::lock_guard<std::mutex> lock(_mutex);