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gecko/media/libvpx/vp8/common/reconinter.c
Jan Gerber 31fca20085 Bug 918550 - Update libvpx to 1.3.0 r=glandium,cpearce 
This updates our in-tree copy of libvpx to the
v1.3.0 git tag (2e88f2f2ec777259bda1714e72f1ecd2519bceb5)
libvpx 1.3.0 adds support for VP9. VP9 support is built
but not yet exposed with this commit.

Our update.sh script is replaced with update.py that can
update the build system to a given git commit.
 - checkout out upstream git
 - create platform dependend config files
 - add/remove changed libvpx files
 - update moz.build
 - warn about new build categories in libvpx
2013-12-06 03:19:00 -08:00

588 lines
18 KiB
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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <limits.h>
#include "vpx_config.h"
#include "vp8_rtcd.h"
#include "vpx/vpx_integer.h"
#include "blockd.h"
#include "reconinter.h"
#if CONFIG_RUNTIME_CPU_DETECT
#include "onyxc_int.h"
#endif
void vp8_copy_mem16x16_c(
unsigned char *src,
int src_stride,
unsigned char *dst,
int dst_stride)
{
int r;
for (r = 0; r < 16; r++)
{
#if !(CONFIG_FAST_UNALIGNED)
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = src[3];
dst[4] = src[4];
dst[5] = src[5];
dst[6] = src[6];
dst[7] = src[7];
dst[8] = src[8];
dst[9] = src[9];
dst[10] = src[10];
dst[11] = src[11];
dst[12] = src[12];
dst[13] = src[13];
dst[14] = src[14];
dst[15] = src[15];
#else
((uint32_t *)dst)[0] = ((uint32_t *)src)[0] ;
((uint32_t *)dst)[1] = ((uint32_t *)src)[1] ;
((uint32_t *)dst)[2] = ((uint32_t *)src)[2] ;
((uint32_t *)dst)[3] = ((uint32_t *)src)[3] ;
#endif
src += src_stride;
dst += dst_stride;
}
}
void vp8_copy_mem8x8_c(
unsigned char *src,
int src_stride,
unsigned char *dst,
int dst_stride)
{
int r;
for (r = 0; r < 8; r++)
{
#if !(CONFIG_FAST_UNALIGNED)
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = src[3];
dst[4] = src[4];
dst[5] = src[5];
dst[6] = src[6];
dst[7] = src[7];
#else
((uint32_t *)dst)[0] = ((uint32_t *)src)[0] ;
((uint32_t *)dst)[1] = ((uint32_t *)src)[1] ;
#endif
src += src_stride;
dst += dst_stride;
}
}
void vp8_copy_mem8x4_c(
unsigned char *src,
int src_stride,
unsigned char *dst,
int dst_stride)
{
int r;
for (r = 0; r < 4; r++)
{
#if !(CONFIG_FAST_UNALIGNED)
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = src[3];
dst[4] = src[4];
dst[5] = src[5];
dst[6] = src[6];
dst[7] = src[7];
#else
((uint32_t *)dst)[0] = ((uint32_t *)src)[0] ;
((uint32_t *)dst)[1] = ((uint32_t *)src)[1] ;
#endif
src += src_stride;
dst += dst_stride;
}
}
void vp8_build_inter_predictors_b(BLOCKD *d, int pitch, unsigned char *base_pre, int pre_stride, vp8_subpix_fn_t sppf)
{
int r;
unsigned char *pred_ptr = d->predictor;
unsigned char *ptr;
ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
{
sppf(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, pred_ptr, pitch);
}
else
{
for (r = 0; r < 4; r++)
{
pred_ptr[0] = ptr[0];
pred_ptr[1] = ptr[1];
pred_ptr[2] = ptr[2];
pred_ptr[3] = ptr[3];
pred_ptr += pitch;
ptr += pre_stride;
}
}
}
static void build_inter_predictors4b(MACROBLOCKD *x, BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride)
{
unsigned char *ptr;
ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
{
x->subpixel_predict8x8(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride);
}
else
{
vp8_copy_mem8x8(ptr, pre_stride, dst, dst_stride);
}
}
static void build_inter_predictors2b(MACROBLOCKD *x, BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride)
{
unsigned char *ptr;
ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
{
x->subpixel_predict8x4(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride);
}
else
{
vp8_copy_mem8x4(ptr, pre_stride, dst, dst_stride);
}
}
static void build_inter_predictors_b(BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride, vp8_subpix_fn_t sppf)
{
int r;
unsigned char *ptr;
ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
{
sppf(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride);
}
else
{
for (r = 0; r < 4; r++)
{
dst[0] = ptr[0];
dst[1] = ptr[1];
dst[2] = ptr[2];
dst[3] = ptr[3];
dst += dst_stride;
ptr += pre_stride;
}
}
}
/*encoder only*/
void vp8_build_inter16x16_predictors_mbuv(MACROBLOCKD *x)
{
unsigned char *uptr, *vptr;
unsigned char *upred_ptr = &x->predictor[256];
unsigned char *vpred_ptr = &x->predictor[320];
int mv_row = x->mode_info_context->mbmi.mv.as_mv.row;
int mv_col = x->mode_info_context->mbmi.mv.as_mv.col;
int offset;
int pre_stride = x->pre.uv_stride;
/* calc uv motion vectors */
mv_row += 1 | (mv_row >> (sizeof(int) * CHAR_BIT - 1));
mv_col += 1 | (mv_col >> (sizeof(int) * CHAR_BIT - 1));
mv_row /= 2;
mv_col /= 2;
mv_row &= x->fullpixel_mask;
mv_col &= x->fullpixel_mask;
offset = (mv_row >> 3) * pre_stride + (mv_col >> 3);
uptr = x->pre.u_buffer + offset;
vptr = x->pre.v_buffer + offset;
if ((mv_row | mv_col) & 7)
{
x->subpixel_predict8x8(uptr, pre_stride, mv_col & 7, mv_row & 7, upred_ptr, 8);
x->subpixel_predict8x8(vptr, pre_stride, mv_col & 7, mv_row & 7, vpred_ptr, 8);
}
else
{
vp8_copy_mem8x8(uptr, pre_stride, upred_ptr, 8);
vp8_copy_mem8x8(vptr, pre_stride, vpred_ptr, 8);
}
}
/*encoder only*/
void vp8_build_inter4x4_predictors_mbuv(MACROBLOCKD *x)
{
int i, j;
int pre_stride = x->pre.uv_stride;
unsigned char *base_pre;
/* build uv mvs */
for (i = 0; i < 2; i++)
{
for (j = 0; j < 2; j++)
{
int yoffset = i * 8 + j * 2;
int uoffset = 16 + i * 2 + j;
int voffset = 20 + i * 2 + j;
int temp;
temp = x->block[yoffset ].bmi.mv.as_mv.row
+ x->block[yoffset+1].bmi.mv.as_mv.row
+ x->block[yoffset+4].bmi.mv.as_mv.row
+ x->block[yoffset+5].bmi.mv.as_mv.row;
temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
x->block[uoffset].bmi.mv.as_mv.row = (temp / 8) & x->fullpixel_mask;
temp = x->block[yoffset ].bmi.mv.as_mv.col
+ x->block[yoffset+1].bmi.mv.as_mv.col
+ x->block[yoffset+4].bmi.mv.as_mv.col
+ x->block[yoffset+5].bmi.mv.as_mv.col;
temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
x->block[uoffset].bmi.mv.as_mv.col = (temp / 8) & x->fullpixel_mask;
x->block[voffset].bmi.mv.as_int = x->block[uoffset].bmi.mv.as_int;
}
}
base_pre = x->pre.u_buffer;
for (i = 16; i < 20; i += 2)
{
BLOCKD *d0 = &x->block[i];
BLOCKD *d1 = &x->block[i+1];
if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
build_inter_predictors2b(x, d0, d0->predictor, 8, base_pre, pre_stride);
else
{
vp8_build_inter_predictors_b(d0, 8, base_pre, pre_stride, x->subpixel_predict);
vp8_build_inter_predictors_b(d1, 8, base_pre, pre_stride, x->subpixel_predict);
}
}
base_pre = x->pre.v_buffer;
for (i = 20; i < 24; i += 2)
{
BLOCKD *d0 = &x->block[i];
BLOCKD *d1 = &x->block[i+1];
if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
build_inter_predictors2b(x, d0, d0->predictor, 8, base_pre, pre_stride);
else
{
vp8_build_inter_predictors_b(d0, 8, base_pre, pre_stride, x->subpixel_predict);
vp8_build_inter_predictors_b(d1, 8, base_pre, pre_stride, x->subpixel_predict);
}
}
}
/*encoder only*/
void vp8_build_inter16x16_predictors_mby(MACROBLOCKD *x,
unsigned char *dst_y,
int dst_ystride)
{
unsigned char *ptr_base;
unsigned char *ptr;
int mv_row = x->mode_info_context->mbmi.mv.as_mv.row;
int mv_col = x->mode_info_context->mbmi.mv.as_mv.col;
int pre_stride = x->pre.y_stride;
ptr_base = x->pre.y_buffer;
ptr = ptr_base + (mv_row >> 3) * pre_stride + (mv_col >> 3);
if ((mv_row | mv_col) & 7)
{
x->subpixel_predict16x16(ptr, pre_stride, mv_col & 7, mv_row & 7,
dst_y, dst_ystride);
}
else
{
vp8_copy_mem16x16(ptr, pre_stride, dst_y,
dst_ystride);
}
}
static void clamp_mv_to_umv_border(MV *mv, const MACROBLOCKD *xd)
{
/* If the MV points so far into the UMV border that no visible pixels
* are used for reconstruction, the subpel part of the MV can be
* discarded and the MV limited to 16 pixels with equivalent results.
*
* This limit kicks in at 19 pixels for the top and left edges, for
* the 16 pixels plus 3 taps right of the central pixel when subpel
* filtering. The bottom and right edges use 16 pixels plus 2 pixels
* left of the central pixel when filtering.
*/
if (mv->col < (xd->mb_to_left_edge - (19 << 3)))
mv->col = xd->mb_to_left_edge - (16 << 3);
else if (mv->col > xd->mb_to_right_edge + (18 << 3))
mv->col = xd->mb_to_right_edge + (16 << 3);
if (mv->row < (xd->mb_to_top_edge - (19 << 3)))
mv->row = xd->mb_to_top_edge - (16 << 3);
else if (mv->row > xd->mb_to_bottom_edge + (18 << 3))
mv->row = xd->mb_to_bottom_edge + (16 << 3);
}
/* A version of the above function for chroma block MVs.*/
static void clamp_uvmv_to_umv_border(MV *mv, const MACROBLOCKD *xd)
{
mv->col = (2*mv->col < (xd->mb_to_left_edge - (19 << 3))) ?
(xd->mb_to_left_edge - (16 << 3)) >> 1 : mv->col;
mv->col = (2*mv->col > xd->mb_to_right_edge + (18 << 3)) ?
(xd->mb_to_right_edge + (16 << 3)) >> 1 : mv->col;
mv->row = (2*mv->row < (xd->mb_to_top_edge - (19 << 3))) ?
(xd->mb_to_top_edge - (16 << 3)) >> 1 : mv->row;
mv->row = (2*mv->row > xd->mb_to_bottom_edge + (18 << 3)) ?
(xd->mb_to_bottom_edge + (16 << 3)) >> 1 : mv->row;
}
void vp8_build_inter16x16_predictors_mb(MACROBLOCKD *x,
unsigned char *dst_y,
unsigned char *dst_u,
unsigned char *dst_v,
int dst_ystride,
int dst_uvstride)
{
int offset;
unsigned char *ptr;
unsigned char *uptr, *vptr;
int_mv _16x16mv;
unsigned char *ptr_base = x->pre.y_buffer;
int pre_stride = x->pre.y_stride;
_16x16mv.as_int = x->mode_info_context->mbmi.mv.as_int;
if (x->mode_info_context->mbmi.need_to_clamp_mvs)
{
clamp_mv_to_umv_border(&_16x16mv.as_mv, x);
}
ptr = ptr_base + ( _16x16mv.as_mv.row >> 3) * pre_stride + (_16x16mv.as_mv.col >> 3);
if ( _16x16mv.as_int & 0x00070007)
{
x->subpixel_predict16x16(ptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_y, dst_ystride);
}
else
{
vp8_copy_mem16x16(ptr, pre_stride, dst_y, dst_ystride);
}
/* calc uv motion vectors */
_16x16mv.as_mv.row += 1 | (_16x16mv.as_mv.row >> (sizeof(int) * CHAR_BIT - 1));
_16x16mv.as_mv.col += 1 | (_16x16mv.as_mv.col >> (sizeof(int) * CHAR_BIT - 1));
_16x16mv.as_mv.row /= 2;
_16x16mv.as_mv.col /= 2;
_16x16mv.as_mv.row &= x->fullpixel_mask;
_16x16mv.as_mv.col &= x->fullpixel_mask;
pre_stride >>= 1;
offset = ( _16x16mv.as_mv.row >> 3) * pre_stride + (_16x16mv.as_mv.col >> 3);
uptr = x->pre.u_buffer + offset;
vptr = x->pre.v_buffer + offset;
if ( _16x16mv.as_int & 0x00070007)
{
x->subpixel_predict8x8(uptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_u, dst_uvstride);
x->subpixel_predict8x8(vptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_v, dst_uvstride);
}
else
{
vp8_copy_mem8x8(uptr, pre_stride, dst_u, dst_uvstride);
vp8_copy_mem8x8(vptr, pre_stride, dst_v, dst_uvstride);
}
}
static void build_inter4x4_predictors_mb(MACROBLOCKD *x)
{
int i;
unsigned char *base_dst = x->dst.y_buffer;
unsigned char *base_pre = x->pre.y_buffer;
if (x->mode_info_context->mbmi.partitioning < 3)
{
BLOCKD *b;
int dst_stride = x->dst.y_stride;
x->block[ 0].bmi = x->mode_info_context->bmi[ 0];
x->block[ 2].bmi = x->mode_info_context->bmi[ 2];
x->block[ 8].bmi = x->mode_info_context->bmi[ 8];
x->block[10].bmi = x->mode_info_context->bmi[10];
if (x->mode_info_context->mbmi.need_to_clamp_mvs)
{
clamp_mv_to_umv_border(&x->block[ 0].bmi.mv.as_mv, x);
clamp_mv_to_umv_border(&x->block[ 2].bmi.mv.as_mv, x);
clamp_mv_to_umv_border(&x->block[ 8].bmi.mv.as_mv, x);
clamp_mv_to_umv_border(&x->block[10].bmi.mv.as_mv, x);
}
b = &x->block[ 0];
build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
b = &x->block[ 2];
build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
b = &x->block[ 8];
build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
b = &x->block[10];
build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
}
else
{
for (i = 0; i < 16; i += 2)
{
BLOCKD *d0 = &x->block[i];
BLOCKD *d1 = &x->block[i+1];
int dst_stride = x->dst.y_stride;
x->block[i+0].bmi = x->mode_info_context->bmi[i+0];
x->block[i+1].bmi = x->mode_info_context->bmi[i+1];
if (x->mode_info_context->mbmi.need_to_clamp_mvs)
{
clamp_mv_to_umv_border(&x->block[i+0].bmi.mv.as_mv, x);
clamp_mv_to_umv_border(&x->block[i+1].bmi.mv.as_mv, x);
}
if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride);
else
{
build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
}
}
}
base_dst = x->dst.u_buffer;
base_pre = x->pre.u_buffer;
for (i = 16; i < 20; i += 2)
{
BLOCKD *d0 = &x->block[i];
BLOCKD *d1 = &x->block[i+1];
int dst_stride = x->dst.uv_stride;
/* Note: uv mvs already clamped in build_4x4uvmvs() */
if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride);
else
{
build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
}
}
base_dst = x->dst.v_buffer;
base_pre = x->pre.v_buffer;
for (i = 20; i < 24; i += 2)
{
BLOCKD *d0 = &x->block[i];
BLOCKD *d1 = &x->block[i+1];
int dst_stride = x->dst.uv_stride;
/* Note: uv mvs already clamped in build_4x4uvmvs() */
if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride);
else
{
build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
}
}
}
static
void build_4x4uvmvs(MACROBLOCKD *x)
{
int i, j;
for (i = 0; i < 2; i++)
{
for (j = 0; j < 2; j++)
{
int yoffset = i * 8 + j * 2;
int uoffset = 16 + i * 2 + j;
int voffset = 20 + i * 2 + j;
int temp;
temp = x->mode_info_context->bmi[yoffset + 0].mv.as_mv.row
+ x->mode_info_context->bmi[yoffset + 1].mv.as_mv.row
+ x->mode_info_context->bmi[yoffset + 4].mv.as_mv.row
+ x->mode_info_context->bmi[yoffset + 5].mv.as_mv.row;
temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
x->block[uoffset].bmi.mv.as_mv.row = (temp / 8) & x->fullpixel_mask;
temp = x->mode_info_context->bmi[yoffset + 0].mv.as_mv.col
+ x->mode_info_context->bmi[yoffset + 1].mv.as_mv.col
+ x->mode_info_context->bmi[yoffset + 4].mv.as_mv.col
+ x->mode_info_context->bmi[yoffset + 5].mv.as_mv.col;
temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
x->block[uoffset].bmi.mv.as_mv.col = (temp / 8) & x->fullpixel_mask;
if (x->mode_info_context->mbmi.need_to_clamp_mvs)
clamp_uvmv_to_umv_border(&x->block[uoffset].bmi.mv.as_mv, x);
x->block[voffset].bmi.mv.as_int = x->block[uoffset].bmi.mv.as_int;
}
}
}
void vp8_build_inter_predictors_mb(MACROBLOCKD *xd)
{
if (xd->mode_info_context->mbmi.mode != SPLITMV)
{
vp8_build_inter16x16_predictors_mb(xd, xd->dst.y_buffer,
xd->dst.u_buffer, xd->dst.v_buffer,
xd->dst.y_stride, xd->dst.uv_stride);
}
else
{
build_4x4uvmvs(xd);
build_inter4x4_predictors_mb(xd);
}
}
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