From eb93893bee166e183a6c3391850a05a0a030731d Mon Sep 17 00:00:00 2001 From: Dmitry Kovalev Date: Thu, 9 May 2013 11:37:51 -0700 Subject: Updating comments for prediction modes. Change-Id: If4063184f7b37dc011ec6a7a3e75260f4251e984 --- vp9/common/vp9_blockd.h | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) (limited to 'vp9/common') diff --git a/vp9/common/vp9_blockd.h b/vp9/common/vp9_blockd.h index d0a1203ef..d111e7fa8 100644 --- a/vp9/common/vp9_blockd.h +++ b/vp9/common/vp9_blockd.h @@ -70,17 +70,17 @@ typedef enum { } INTERPOLATIONFILTERTYPE; typedef enum { - DC_PRED, /* average of above and left pixels */ - V_PRED, /* vertical prediction */ - H_PRED, /* horizontal prediction */ - D45_PRED, /* Directional 45 deg prediction [anti-clockwise from 0 deg hor] */ - D135_PRED, /* Directional 135 deg prediction [anti-clockwise from 0 deg hor] */ - D117_PRED, /* Directional 112 deg prediction [anti-clockwise from 0 deg hor] */ - D153_PRED, /* Directional 157 deg prediction [anti-clockwise from 0 deg hor] */ - D27_PRED, /* Directional 22 deg prediction [anti-clockwise from 0 deg hor] */ - D63_PRED, /* Directional 67 deg prediction [anti-clockwise from 0 deg hor] */ - TM_PRED, /* Truemotion prediction */ - I4X4_PRED, /* 4x4 based prediction, each 4x4 has its own mode */ + DC_PRED, // Average of above and left pixels + V_PRED, // Vertical + H_PRED, // Horizontal + D45_PRED, // Directional 45 deg = round(arctan(1/1) * 180/pi) + D135_PRED, // Directional 135 deg = 180 - 45 + D117_PRED, // Directional 117 deg = 180 - 63 + D153_PRED, // Directional 153 deg = 180 - 27 + D27_PRED, // Directional 27 deg = round(arctan(1/2) * 180/pi) + D63_PRED, // Directional 63 deg = round(arctan(2/1) * 180/pi) + TM_PRED, // True-motion + I4X4_PRED, // Each 4x4 subblock has its own mode NEARESTMV, NEARMV, ZEROMV, -- cgit v1.2.3