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authorMarco Nelissen <marcone@google.com>2012-06-13 08:51:00 -0700
committerMarco Nelissen <marcone@google.com>2012-06-13 16:29:52 -0700
commit5fd7d3a23316ec0d2320fece85201859b52c2aef (patch)
treeeb812fe337a080a3f3709e2fbbd992813bc5583c /media/libstagefright/VBRISeeker.cpp
parentb4ea1ab821d652cb080910d4081f5f1318597a90 (diff)
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Better handle invalid duration in Xing/VBRI tags
b/6654637 Change-Id: Ie92eddd84ef5914b77dbadaacd80b4de6cd66e1c
Diffstat (limited to 'media/libstagefright/VBRISeeker.cpp')
-rw-r--r--media/libstagefright/VBRISeeker.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/media/libstagefright/VBRISeeker.cpp b/media/libstagefright/VBRISeeker.cpp
index bcba874..a245f2c 100644
--- a/media/libstagefright/VBRISeeker.cpp
+++ b/media/libstagefright/VBRISeeker.cpp
@@ -93,7 +93,13 @@ sp<VBRISeeker> VBRISeeker::CreateFromSource(
sp<VBRISeeker> seeker = new VBRISeeker;
seeker->mBasePos = post_id3_pos + frameSize;
- seeker->mDurationUs = durationUs;
+ // only update mDurationUs if the calculated duration is valid (non zero)
+ // otherwise, leave duration at -1 so that getDuration() and getOffsetForTime()
+ // return false when called, to indicate that this vbri tag does not have the
+ // requested information
+ if (durationUs) {
+ seeker->mDurationUs = durationUs;
+ }
off64_t offset = post_id3_pos;
for (size_t i = 0; i < numEntries; ++i) {