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-rw-r--r--vp9/simple_encode.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/vp9/simple_encode.h b/vp9/simple_encode.h
index f2344a240..a05ef10cb 100644
--- a/vp9/simple_encode.h
+++ b/vp9/simple_encode.h
@@ -51,7 +51,10 @@ class SimpleEncode {
// future encode.
void ComputeFirstPassStats();
- // Outputs the first pass stats.
+ // Outputs the first pass stats represented by a 2-D vector.
+ // One can use the frame index at first dimension to retrieve the stats for
+ // each video frame. The stats of each video frame is a vector of 25 double
+ // values. For details, please check FIRSTPASS_STATS in vp9_firstpass.h
std::vector<std::vector<double>> ObserveFirstPassStats();
// Initializes the encoder for actual encoding.