commit dd826103a6c76f67897eaa2afafd8db9548195dc
author Zhijun He <zhijunhe@google.com> Fri Sep 25 23:11:15 2015 -0700
committer The Android Automerger <android-build@google.com> Sat Sep 26 14:53:57 2015 -0700
tree 055387289e7fb73b195c500aed0884227c7a4f15
parent de79ca9a5dd4d8b53906a3085b07985328a0d930

encoder: increase the input buffer count from 9 to 12

This is to reduce the chance of frame drops during high speed recording
or with high system load.

Bug: 24227252
Change-Id: I353a9ea5427eb7dc3f7a153abc75bc7f1514e455

mm-video-v4l2/vidc/venc/src/video_encoder_device_v4l2.cpp

diff --git a/mm-video-v4l2/vidc/venc/src/video_encoder_device_v4l2.cpp b/mm-video-v4l2/vidc/venc/src/video_encoder_device_v4l2.cpp
index 7ad8ca2..8266ee0 100644
--- a/mm-video-v4l2/vidc/venc/src/video_encoder_device_v4l2.cpp
+++ b/mm-video-v4l2/vidc/venc/src/video_encoder_device_v4l2.cpp
@@ -1202,6 +1202,8 @@
         if (m_sVenc_cfg.input_height * m_sVenc_cfg.input_width >= 3840*2160) {
             DEBUG_PRINT_LOW("Increasing buffer count = %d to 11", bufreq.count);
             bufreq.count = 11;
+        } else {
+            bufreq.count = 12;
         }
 
         bufreq.type=V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;