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| author | Marco <marpan@google.com> | 2015-03-13 10:31:35 -0700 |
|---|---|---|
| committer | Gerrit Code Review <gerrit@gerrit.golo.chromium.org> | 2015-03-13 10:31:35 -0700 |
| commit | deaf661f4548fe29c322801e169bfcfb14f4997a (patch) | |
| tree | 9a915f29b16b83c24ee22a7474c52803887eada0 /vp9/encoder | |
| parent | f8df9169311120964e3dbc22b62db114ab050fbb (diff) | |
| parent | 62a3f53997f039e93ea0a4e207871976a6f9f917 (diff) | |
| download | libvpx-deaf661f4548fe29c322801e169bfcfb14f4997a.tar libvpx-deaf661f4548fe29c322801e169bfcfb14f4997a.tar.gz libvpx-deaf661f4548fe29c322801e169bfcfb14f4997a.tar.bz2 libvpx-deaf661f4548fe29c322801e169bfcfb14f4997a.zip | |
Merge "Lower bitrate threshold below which cyclic refresh is turned off."
Diffstat (limited to 'vp9/encoder')
| -rw-r--r-- | vp9/encoder/vp9_aq_cyclicrefresh.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/vp9/encoder/vp9_aq_cyclicrefresh.c b/vp9/encoder/vp9_aq_cyclicrefresh.c index 253f2a82d..958d52acf 100644 --- a/vp9/encoder/vp9_aq_cyclicrefresh.c +++ b/vp9/encoder/vp9_aq_cyclicrefresh.c @@ -77,10 +77,10 @@ static int apply_cyclic_refresh_bitrate(const VP9_COMMON *cm, // with number of seg blocks, so compare available bits to number of blocks. // Average bits available per frame = avg_frame_bandwidth // Number of (8x8) blocks in frame = mi_rows * mi_cols; - const float factor = 0.5; + const float factor = 0.25; const int number_blocks = cm->mi_rows * cm->mi_cols; // The condition below corresponds to turning off at target bitrates: - // ~24kbps for CIF, 72kbps for VGA (at 30fps). + // (at 30fps), ~12kbps for CIF, 36kbps for VGA, 100kps for HD/720p. // Also turn off at very small frame sizes, to avoid too large fraction of // superblocks to be refreshed per frame. Threshold below is less than QCIF. if (rc->avg_frame_bandwidth < factor * number_blocks || |