Sanity check padding/delay values for gapless playback

Bug: 23306638
Change-Id: I2b5160e0f58f90d3f67c3964f41f5734ec0da053
Tested-by: Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/media/libstagefright/SkipCutBuffer.cpp b/media/libstagefright/SkipCutBuffer.cpp
index 773854f..4d15d7e 100755
--- a/media/libstagefright/SkipCutBuffer.cpp
+++ b/media/libstagefright/SkipCutBuffer.cpp
@@ -25,6 +25,13 @@
 namespace android {
 
 SkipCutBuffer::SkipCutBuffer(int32_t skip, int32_t cut) {
+
+    if (skip < 0 || cut < 0 || cut > 64 * 1024) {
+        ALOGW("out of range skip/cut: %d/%d, using passthrough instead", skip, cut);
+        skip = 0;
+        cut = 0;
+    }
+
     mFrontPadding = skip;
     mBackPadding = cut;
     mWriteHead = 0;