Single track optimization

We don't need to do interleave when the total number of tracks to be recorded is one.
Metadata-wise, we only need to have one chunk in chunk offset table, and a
single entry in the stsc table.

Change-Id: I46f0e4b3860620311e7a91b68a9067acaa137bb2

1 files changed, 1 insertions, 0 deletions

diff --git a/include/media/stagefright/MPEG4Writer.h b/include/media/stagefright/MPEG4Writer.h
index 9812e41..d62df46 100644
--- a/include/media/stagefright/MPEG4Writer.h
+++ b/include/media/stagefright/MPEG4Writer.h
@@ -81,6 +81,7 @@ private:
     void setStartTimestampUs(int64_t timeUs);
     int64_t getStartTimestampUs();  // Not const
     status_t startTracks();
+    size_t numTracks();
 
     void lock();
     void unlock();