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| author | Glenn Kasten <gkasten@google.com> | 2013-07-12 09:45:18 -0700 |
|---|---|---|
| committer | Glenn Kasten <gkasten@google.com> | 2013-07-30 09:24:03 -0700 |
| commit | f20e1d8df84c5fbeeace0052d100982ae39bb7a4 (patch) | |
| tree | 997cd41de1adb829c194f56cf29eb02945666b94 /include/private | |
| parent | eced2daaa6c91a3731eef978ce65c6ec319c5e6a (diff) | |
| download | frameworks_av-f20e1d8df84c5fbeeace0052d100982ae39bb7a4.zip frameworks_av-f20e1d8df84c5fbeeace0052d100982ae39bb7a4.tar.gz frameworks_av-f20e1d8df84c5fbeeace0052d100982ae39bb7a4.tar.bz2 | |
Rename control block server to mServer and add comments
Change-Id: Ieabd91acee92d0e84e66fbd358df5282b856306e
Diffstat (limited to 'include/private')
| -rw-r--r-- | include/private/media/AudioTrackShared.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/include/private/media/AudioTrackShared.h b/include/private/media/AudioTrackShared.h index b890180..e950b9e 100644 --- a/include/private/media/AudioTrackShared.h +++ b/include/private/media/AudioTrackShared.h @@ -89,8 +89,11 @@ struct audio_track_cblk_t // The data members are grouped so that members accessed frequently and in the same context // are in the same line of data cache. - volatile uint32_t server; // updated asynchronously by server, - // "for entertainment purposes only" + uint32_t mServer; // Number of filled frames consumed by server (mIsOut), + // or filled frames provided by server (!mIsOut). + // It is updated asynchronously by server without a barrier. + // The value should be used "for entertainment purposes only", + // which means don't make important decisions based on it. size_t frameCount_; // used during creation to pass actual track buffer size // from AudioFlinger to client, and not referenced again @@ -235,7 +238,7 @@ public: void interrupt(); size_t getPosition() { - return mEpoch + mCblk->server; + return mEpoch + mCblk->mServer; } void setEpoch(size_t epoch) { |