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Change order of warped motion parameters

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This makes it easier to interface between global motion and warped motion

Change-Id: I850e0a383969a1973f03fb207f100713cda6bb51
This commit is contained in:
sarahparker 2016-07-18 16:40:06 -07:00 committed by Sarah Parker
parent 096d8ace8e
commit 78ea3b3e3e
2 changed files with 23 additions and 23 deletions
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32
vp10/common/warped_motion.c
View File

@ -116,19 +116,19 @@ void projectPointsRotZoom(int *mat, int *points, int *proj,
const int x = *(points++), y = *(points++);
if (subsampling_x)
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(
mat[0] * 2 * x + mat[1] * 2 * y + mat[2] +
(mat[0] + mat[1] - (1 << WARPEDMODEL_PREC_BITS)) / 2,
mat[2] * 2 * x + mat[3] * 2 * y + mat[0] +
(mat[2] + mat[3] - (1 << WARPEDMODEL_PREC_BITS)) / 2,
WARPEDDIFF_PREC_BITS + 1);
else
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(mat[0] * x + mat[1] * y + mat[2],
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(mat[2] * x + mat[3] * y + mat[0],
WARPEDDIFF_PREC_BITS);
if (subsampling_y)
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(
-mat[1] * 2 * x + mat[0] * 2 * y + mat[3] +
(-mat[1] + mat[0] - (1 << WARPEDMODEL_PREC_BITS)) / 2,
-mat[3] * 2 * x + mat[2] * 2 * y + mat[1] +
(-mat[3] + mat[2] - (1 << WARPEDMODEL_PREC_BITS)) / 2,
WARPEDDIFF_PREC_BITS + 1);
else
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(-mat[1] * x + mat[0] * y + mat[3],
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(-mat[3] * x + mat[2] * y + mat[1],
WARPEDDIFF_PREC_BITS);
points += stride_points - 2;
proj += stride_proj - 2;
@ -146,19 +146,19 @@ static void projectPointsAffine(int *mat, int *points, int *proj,
const int x = *(points++), y = *(points++);
if (subsampling_x)
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(
mat[0] * 2 * x + mat[1] * 2 * y + mat[4] +
(mat[0] + mat[1] - (1 << WARPEDMODEL_PREC_BITS)) / 2,
WARPEDDIFF_PREC_BITS + 1);
else
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(mat[0] * x + mat[1] * y + mat[4],
WARPEDDIFF_PREC_BITS);
if (subsampling_y)
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(
mat[2] * 2 * x + mat[3] * 2 * y + mat[5] +
mat[2] * 2 * x + mat[3] * 2 * y + mat[0] +
(mat[2] + mat[3] - (1 << WARPEDMODEL_PREC_BITS)) / 2,
WARPEDDIFF_PREC_BITS + 1);
else
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(mat[2] * x + mat[3] * y + mat[5],
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(mat[2] * x + mat[3] * y + mat[0],
WARPEDDIFF_PREC_BITS);
if (subsampling_y)
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(
mat[4] * 2 * x + mat[5] * 2 * y + mat[1] +
(mat[4] + mat[5] - (1 << WARPEDMODEL_PREC_BITS)) / 2,
WARPEDDIFF_PREC_BITS + 1);
else
*(proj++) = ROUND_POWER_OF_TWO_SIGNED(mat[4] * x + mat[5] * y + mat[1],
WARPEDDIFF_PREC_BITS);
points += stride_points - 2;
proj += stride_proj - 2;

14
vp10/decoder/decodeframe.c
View File

@ -3464,16 +3464,16 @@ static void read_global_motion_params(Global_Motion_Params *params,
break;
case GLOBAL_ROTZOOM:
params->motion_params.wmtype = ROTZOOM;
params->motion_params.wmmat[2] =
vp10_read_primitive_symmetric(r, GM_ABS_TRANS_BITS) *
GM_TRANS_DECODE_FACTOR;
params->motion_params.wmmat[3] =
vp10_read_primitive_symmetric(r, GM_ABS_TRANS_BITS) *
GM_TRANS_DECODE_FACTOR;
params->motion_params.wmmat[0] =
vp10_read_primitive_symmetric(r, GM_ABS_TRANS_BITS) *
GM_TRANS_DECODE_FACTOR;
params->motion_params.wmmat[1] =
vp10_read_primitive_symmetric(r, GM_ABS_TRANS_BITS) *
GM_TRANS_DECODE_FACTOR;
params->motion_params.wmmat[2] =
(vp10_read_primitive_symmetric(r, GM_ABS_ALPHA_BITS) *
GM_ALPHA_DECODE_FACTOR) + (1 << WARPEDMODEL_PREC_BITS);
params->motion_params.wmmat[1] =
params->motion_params.wmmat[3] =
vp10_read_primitive_symmetric(r, GM_ABS_ALPHA_BITS) *
GM_ALPHA_DECODE_FACTOR;
break;