commit 6f23a136cb4e433636954464b85bf66dc0a59d33
author Weiyin Jiang <wjiang@codeaurora.org> Thu Nov 21 16:54:14 2019 +0800
committer Gerrit - the friendly Code Review server <code-review@localhost> Thu Dec 26 02:13:55 2019 -0800
tree 0ab376e4bda070c1d67907e78ba0864b867c3145
parent b7ca4d27ebb91ca86fefd454959673bedc4cd6e9

visualizer: fix sub-overflow

Fix visualizer crash due to sub-overflow.

CRs-Fixed: 2571235
Change-Id: I37dc0ac9b0011243f8f4ce11141869228fb858a4

visualizer/offload_visualizer.c

diff --git a/visualizer/offload_visualizer.c b/visualizer/offload_visualizer.c
index 442ef3e..b182953 100644
--- a/visualizer/offload_visualizer.c
+++ b/visualizer/offload_visualizer.c
@@ -978,10 +978,10 @@
             }
             const uint32_t delta_smp = context->config.inputCfg.samplingRate * latency_ms / 1000;
 
-            int32_t capture_point = visu_ctxt->capture_idx - visu_ctxt->capture_size - delta_smp;
-            int32_t capture_size = visu_ctxt->capture_size;
+            int64_t capture_point = visu_ctxt->capture_idx - visu_ctxt->capture_size - delta_smp;
+            int64_t capture_size = visu_ctxt->capture_size;
             if (capture_point < 0) {
-                int32_t size = -capture_point;
+                int64_t size = -capture_point;
                 if (size > capture_size)
                     size = capture_size;