commit 70debbc26de468f9a02af23db6c7bcb64eb90c6b
author Marco Nelissen <marcone@google.com> Mon Feb 13 14:19:40 2017 -0800
committer android-merger <android-merger@vpba3.mtv.corp.google.com> Wed Feb 22 15:17:03 2017 -0800
tree 9ae60ef22bb12effb52a97aafc64b414d0a066ef
parent 2f78c7010af1c7527fe08f2fbcc04b0c1c28a33f

resolve merge conflicts of 79cf158c51 to mnc-dev

Change-Id: Ied32e83215e386c801c02991a0b2fa4baa25b643
(cherry picked from commit 50358a80b1724f6cf1bcdf003e1abf9cc141b122)

media/libstagefright/wifi-display/rtp/RTPSender.cpp

diff --git a/media/libstagefright/wifi-display/rtp/RTPSender.cpp b/media/libstagefright/wifi-display/rtp/RTPSender.cpp
index c66a898..83af393 100644
--- a/media/libstagefright/wifi-display/rtp/RTPSender.cpp
+++ b/media/libstagefright/wifi-display/rtp/RTPSender.cpp
@@ -762,10 +762,16 @@
     return OK;
 }
 
-status_t RTPSender::parseAPP(const uint8_t *data, size_t size __unused) {
-    if (!memcmp("late", &data[8], 4)) {
-        int64_t avgLatencyUs = (int64_t)U64_AT(&data[12]);
-        int64_t maxLatencyUs = (int64_t)U64_AT(&data[20]);
+status_t RTPSender::parseAPP(const uint8_t *data, size_t size) {
+    static const size_t late_offset = 8;
+    static const char late_string[] = "late";
+    static const size_t avgLatencyUs_offset = late_offset + sizeof(late_string) - 1;
+    static const size_t maxLatencyUs_offset = avgLatencyUs_offset + sizeof(int64_t);
+
+    if ((size >= (maxLatencyUs_offset + sizeof(int64_t)))
+            && !memcmp(late_string, &data[late_offset], sizeof(late_string) - 1)) {
+        int64_t avgLatencyUs = (int64_t)U64_AT(&data[avgLatencyUs_offset]);
+        int64_t maxLatencyUs = (int64_t)U64_AT(&data[maxLatencyUs_offset]);
 
         sp<AMessage> notify = mNotify->dup();
         notify->setInt32("what", kWhatInformSender);