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| author | Chong Zhang <chz@google.com> | 2015-03-10 00:27:14 +0000 |
|---|---|---|
| committer | Android (Google) Code Review <android-gerrit@google.com> | 2015-03-10 00:27:15 +0000 |
| commit | 0ad38cd9674f2f7180d3310820d7dd2820159320 (patch) | |
| tree | af0680dfb706d031363d93b3f548636e85856292 /media | |
| parent | d4db9dcd7d29234893d580c329f23242197fe664 (diff) | |
| parent | 358e71747a4707f9429b8565a05482c1f68d0ed3 (diff) | |
| download | frameworks_av-0ad38cd9674f2f7180d3310820d7dd2820159320.zip frameworks_av-0ad38cd9674f2f7180d3310820d7dd2820159320.tar.gz frameworks_av-0ad38cd9674f2f7180d3310820d7dd2820159320.tar.bz2 | |
Merge "do not do bandwidth estimation if total data downloaded is too small"
Diffstat (limited to 'media')
| -rw-r--r-- | media/libstagefright/HTTPBase.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/media/libstagefright/HTTPBase.cpp b/media/libstagefright/HTTPBase.cpp index 0c2ff15..77a652a 100644 --- a/media/libstagefright/HTTPBase.cpp +++ b/media/libstagefright/HTTPBase.cpp @@ -75,7 +75,11 @@ void HTTPBase::addBandwidthMeasurement( bool HTTPBase::estimateBandwidth(int32_t *bandwidth_bps) { Mutex::Autolock autoLock(mLock); - if (mNumBandwidthHistoryItems < 2) { + // Do not do bandwidth estimation if we don't have enough samples, or + // total bytes download are too small (<64K). + // Bandwidth estimation from these samples can often shoot up and cause + // unwanted bw adaption behaviors. + if (mNumBandwidthHistoryItems < 2 || mTotalTransferBytes < 65536) { return false; } |