Don't assert on malformed .mp4 content that contains fewer samples than

described in the time-to-sample box.

Change-Id: Ic6f973212c15012a25f6e849759fd4f14d97e30f
related-to-bug: 4779053

1 files changed, 8 insertions, 4 deletions

diff --git a/media/libstagefright/SampleTable.cpp b/media/libstagefright/SampleTable.cpp
index eb135ab..a8a094e 100644
--- a/media/libstagefright/SampleTable.cpp
+++ b/media/libstagefright/SampleTable.cpp
@@ -416,12 +416,16 @@ void SampleTable::buildSampleEntriesTable() {
         uint32_t delta = mTimeToSample[2 * i + 1];
 
         for (uint32_t j = 0; j < n; ++j) {
-            CHECK(sampleIndex < mNumSampleSizes);
+            if (sampleIndex < mNumSampleSizes) {
+                // Technically this should always be the case if the file
+                // is well-formed, but you know... there's (gasp) malformed
+                // content out there.
 
-            mSampleTimeEntries[sampleIndex].mSampleIndex = sampleIndex;
+                mSampleTimeEntries[sampleIndex].mSampleIndex = sampleIndex;
 
-            mSampleTimeEntries[sampleIndex].mCompositionTime =
-                sampleTime + getCompositionTimeOffset(sampleIndex);
+                mSampleTimeEntries[sampleIndex].mCompositionTime =
+                    sampleTime + getCompositionTimeOffset(sampleIndex);
+            }
 
             ++sampleIndex;
             sampleTime += delta;