gecko/media/libvpx/vp8/common/reconintra4x4.c
Timothy B. Terriberry 276a65b63d Bug 730907 - Update libvpx to v1.0.0, r=cpearce,khuey
--HG--
rename : media/libvpx/vp8/decoder/arm/armv6/dequant_idct_v6.asm => media/libvpx/vp8/common/arm/armv6/dequant_idct_v6.asm
rename : media/libvpx/vp8/decoder/arm/armv6/dequantize_v6.asm => media/libvpx/vp8/common/arm/armv6/dequantize_v6.asm
rename : media/libvpx/vp8/decoder/arm/armv6/idct_blk_v6.c => media/libvpx/vp8/common/arm/armv6/idct_blk_v6.c
rename : media/libvpx/vp8/encoder/arm/armv6/vp8_mse16x16_armv6.asm => media/libvpx/vp8/common/arm/armv6/vp8_mse16x16_armv6.asm
rename : media/libvpx/vp8/encoder/arm/armv6/vp8_sad16x16_armv6.asm => media/libvpx/vp8/common/arm/armv6/vp8_sad16x16_armv6.asm
rename : media/libvpx/vp8/encoder/arm/armv6/vp8_variance16x16_armv6.asm => media/libvpx/vp8/common/arm/armv6/vp8_variance16x16_armv6.asm
rename : media/libvpx/vp8/encoder/arm/armv6/vp8_variance8x8_armv6.asm => media/libvpx/vp8/common/arm/armv6/vp8_variance8x8_armv6.asm
rename : media/libvpx/vp8/encoder/arm/armv6/vp8_variance_halfpixvar16x16_h_armv6.asm => media/libvpx/vp8/common/arm/armv6/vp8_variance_halfpixvar16x16_h_armv6.asm
rename : media/libvpx/vp8/encoder/arm/armv6/vp8_variance_halfpixvar16x16_hv_armv6.asm => media/libvpx/vp8/common/arm/armv6/vp8_variance_halfpixvar16x16_hv_armv6.asm
rename : media/libvpx/vp8/encoder/arm/armv6/vp8_variance_halfpixvar16x16_v_armv6.asm => media/libvpx/vp8/common/arm/armv6/vp8_variance_halfpixvar16x16_v_armv6.asm
rename : media/libvpx/vp8/decoder/arm/dequantize_arm.c => media/libvpx/vp8/common/arm/dequantize_arm.c
rename : media/libvpx/vp8/decoder/arm/dequantize_arm.h => media/libvpx/vp8/common/arm/dequantize_arm.h
rename : media/libvpx/vp8/decoder/arm/neon/dequant_idct_neon.asm => media/libvpx/vp8/common/arm/neon/dequant_idct_neon.asm
rename : media/libvpx/vp8/decoder/arm/neon/dequantizeb_neon.asm => media/libvpx/vp8/common/arm/neon/dequantizeb_neon.asm
rename : media/libvpx/vp8/decoder/arm/neon/idct_blk_neon.c => media/libvpx/vp8/common/arm/neon/idct_blk_neon.c
rename : media/libvpx/vp8/decoder/arm/neon/idct_dequant_0_2x_neon.asm => media/libvpx/vp8/common/arm/neon/idct_dequant_0_2x_neon.asm
rename : media/libvpx/vp8/decoder/arm/neon/idct_dequant_full_2x_neon.asm => media/libvpx/vp8/common/arm/neon/idct_dequant_full_2x_neon.asm
rename : media/libvpx/vp8/encoder/arm/neon/sad16_neon.asm => media/libvpx/vp8/common/arm/neon/sad16_neon.asm
rename : media/libvpx/vp8/encoder/arm/neon/sad8_neon.asm => media/libvpx/vp8/common/arm/neon/sad8_neon.asm
rename : media/libvpx/vp8/encoder/arm/neon/variance_neon.asm => media/libvpx/vp8/common/arm/neon/variance_neon.asm
rename : media/libvpx/vp8/encoder/arm/neon/vp8_mse16x16_neon.asm => media/libvpx/vp8/common/arm/neon/vp8_mse16x16_neon.asm
rename : media/libvpx/vp8/encoder/arm/neon/vp8_subpixelvariance16x16_neon.asm => media/libvpx/vp8/common/arm/neon/vp8_subpixelvariance16x16_neon.asm
rename : media/libvpx/vp8/encoder/arm/neon/vp8_subpixelvariance16x16s_neon.asm => media/libvpx/vp8/common/arm/neon/vp8_subpixelvariance16x16s_neon.asm
rename : media/libvpx/vp8/encoder/arm/neon/vp8_subpixelvariance8x8_neon.asm => media/libvpx/vp8/common/arm/neon/vp8_subpixelvariance8x8_neon.asm
rename : media/libvpx/vp8/encoder/arm/variance_arm.c => media/libvpx/vp8/common/arm/variance_arm.c
rename : media/libvpx/vp8/encoder/arm/variance_arm.h => media/libvpx/vp8/common/arm/variance_arm.h
rename : media/libvpx/vp8/decoder/dequantize.c => media/libvpx/vp8/common/dequantize.c
rename : media/libvpx/vp8/decoder/dequantize.h => media/libvpx/vp8/common/dequantize.h
rename : media/libvpx/vp8/decoder/idct_blk.c => media/libvpx/vp8/common/idct_blk.c
rename : media/libvpx/vp8/encoder/sad_c.c => media/libvpx/vp8/common/sad_c.c
rename : media/libvpx/vp8/encoder/variance.h => media/libvpx/vp8/common/variance.h
rename : media/libvpx/vp8/encoder/variance_c.c => media/libvpx/vp8/common/variance_c.c
rename : media/libvpx/vp8/decoder/x86/dequantize_mmx.asm => media/libvpx/vp8/common/x86/dequantize_mmx.asm
rename : media/libvpx/vp8/decoder/x86/dequantize_x86.h => media/libvpx/vp8/common/x86/dequantize_x86.h
rename : media/libvpx/vp8/decoder/x86/idct_blk_mmx.c => media/libvpx/vp8/common/x86/idct_blk_mmx.c
rename : media/libvpx/vp8/decoder/x86/idct_blk_sse2.c => media/libvpx/vp8/common/x86/idct_blk_sse2.c
rename : media/libvpx/vp8/encoder/x86/sad_mmx.asm => media/libvpx/vp8/common/x86/sad_mmx.asm
rename : media/libvpx/vp8/encoder/x86/sad_sse2.asm => media/libvpx/vp8/common/x86/sad_sse2.asm
rename : media/libvpx/vp8/encoder/x86/sad_sse3.asm => media/libvpx/vp8/common/x86/sad_sse3.asm
rename : media/libvpx/vp8/encoder/x86/sad_sse4.asm => media/libvpx/vp8/common/x86/sad_sse4.asm
rename : media/libvpx/vp8/encoder/x86/sad_ssse3.asm => media/libvpx/vp8/common/x86/sad_ssse3.asm
rename : media/libvpx/vp8/encoder/x86/variance_impl_mmx.asm => media/libvpx/vp8/common/x86/variance_impl_mmx.asm
rename : media/libvpx/vp8/encoder/x86/variance_impl_sse2.asm => media/libvpx/vp8/common/x86/variance_impl_sse2.asm
rename : media/libvpx/vp8/encoder/x86/variance_impl_ssse3.asm => media/libvpx/vp8/common/x86/variance_impl_ssse3.asm
rename : media/libvpx/vp8/encoder/x86/variance_mmx.c => media/libvpx/vp8/common/x86/variance_mmx.c
rename : media/libvpx/vp8/encoder/x86/variance_sse2.c => media/libvpx/vp8/common/x86/variance_sse2.c
rename : media/libvpx/vp8/encoder/x86/variance_ssse3.c => media/libvpx/vp8/common/x86/variance_ssse3.c
rename : media/libvpx/vp8/encoder/x86/variance_x86.h => media/libvpx/vp8/common/x86/variance_x86.h
rename : media/libvpx/vp8/encoder/arm/armv6/vp8_fast_fdct4x4_armv6.asm => media/libvpx/vp8/encoder/arm/armv6/vp8_short_fdct4x4_armv6.asm
rename : media/libvpx/vp8/common/defaultcoefcounts.c => media/libvpx/vp8/encoder/defaultcoefcounts.h
2012-04-29 20:51:44 -07:00

316 lines
9.7 KiB
C

/*
* 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 "recon.h"
void vp8_intra4x4_predict_c(unsigned char *src, int src_stride,
int b_mode,
unsigned char *dst, int dst_stride)
{
int i, r, c;
unsigned char *Above = src - src_stride;
unsigned char Left[4];
unsigned char top_left = Above[-1];
Left[0] = src[-1];
Left[1] = src[-1 + src_stride];
Left[2] = src[-1 + 2 * src_stride];
Left[3] = src[-1 + 3 * src_stride];
switch (b_mode)
{
case B_DC_PRED:
{
int expected_dc = 0;
for (i = 0; i < 4; i++)
{
expected_dc += Above[i];
expected_dc += Left[i];
}
expected_dc = (expected_dc + 4) >> 3;
for (r = 0; r < 4; r++)
{
for (c = 0; c < 4; c++)
{
dst[c] = expected_dc;
}
dst += dst_stride;
}
}
break;
case B_TM_PRED:
{
/* prediction similar to true_motion prediction */
for (r = 0; r < 4; r++)
{
for (c = 0; c < 4; c++)
{
int pred = Above[c] - top_left + Left[r];
if (pred < 0)
pred = 0;
if (pred > 255)
pred = 255;
dst[c] = pred;
}
dst += dst_stride;
}
}
break;
case B_VE_PRED:
{
unsigned int ap[4];
ap[0] = (top_left + 2 * Above[0] + Above[1] + 2) >> 2;
ap[1] = (Above[0] + 2 * Above[1] + Above[2] + 2) >> 2;
ap[2] = (Above[1] + 2 * Above[2] + Above[3] + 2) >> 2;
ap[3] = (Above[2] + 2 * Above[3] + Above[4] + 2) >> 2;
for (r = 0; r < 4; r++)
{
for (c = 0; c < 4; c++)
{
dst[c] = ap[c];
}
dst += dst_stride;
}
}
break;
case B_HE_PRED:
{
unsigned int lp[4];
lp[0] = (top_left + 2 * Left[0] + Left[1] + 2) >> 2;
lp[1] = (Left[0] + 2 * Left[1] + Left[2] + 2) >> 2;
lp[2] = (Left[1] + 2 * Left[2] + Left[3] + 2) >> 2;
lp[3] = (Left[2] + 2 * Left[3] + Left[3] + 2) >> 2;
for (r = 0; r < 4; r++)
{
for (c = 0; c < 4; c++)
{
dst[c] = lp[r];
}
dst += dst_stride;
}
}
break;
case B_LD_PRED:
{
unsigned char *ptr = Above;
dst[0 * dst_stride + 0] = (ptr[0] + ptr[1] * 2 + ptr[2] + 2) >> 2;
dst[0 * dst_stride + 1] =
dst[1 * dst_stride + 0] = (ptr[1] + ptr[2] * 2 + ptr[3] + 2) >> 2;
dst[0 * dst_stride + 2] =
dst[1 * dst_stride + 1] =
dst[2 * dst_stride + 0] = (ptr[2] + ptr[3] * 2 + ptr[4] + 2) >> 2;
dst[0 * dst_stride + 3] =
dst[1 * dst_stride + 2] =
dst[2 * dst_stride + 1] =
dst[3 * dst_stride + 0] = (ptr[3] + ptr[4] * 2 + ptr[5] + 2) >> 2;
dst[1 * dst_stride + 3] =
dst[2 * dst_stride + 2] =
dst[3 * dst_stride + 1] = (ptr[4] + ptr[5] * 2 + ptr[6] + 2) >> 2;
dst[2 * dst_stride + 3] =
dst[3 * dst_stride + 2] = (ptr[5] + ptr[6] * 2 + ptr[7] + 2) >> 2;
dst[3 * dst_stride + 3] = (ptr[6] + ptr[7] * 2 + ptr[7] + 2) >> 2;
}
break;
case B_RD_PRED:
{
unsigned char pp[9];
pp[0] = Left[3];
pp[1] = Left[2];
pp[2] = Left[1];
pp[3] = Left[0];
pp[4] = top_left;
pp[5] = Above[0];
pp[6] = Above[1];
pp[7] = Above[2];
pp[8] = Above[3];
dst[3 * dst_stride + 0] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
dst[3 * dst_stride + 1] =
dst[2 * dst_stride + 0] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
dst[3 * dst_stride + 2] =
dst[2 * dst_stride + 1] =
dst[1 * dst_stride + 0] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
dst[3 * dst_stride + 3] =
dst[2 * dst_stride + 2] =
dst[1 * dst_stride + 1] =
dst[0 * dst_stride + 0] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
dst[2 * dst_stride + 3] =
dst[1 * dst_stride + 2] =
dst[0 * dst_stride + 1] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
dst[1 * dst_stride + 3] =
dst[0 * dst_stride + 2] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
dst[0 * dst_stride + 3] = (pp[6] + pp[7] * 2 + pp[8] + 2) >> 2;
}
break;
case B_VR_PRED:
{
unsigned char pp[9];
pp[0] = Left[3];
pp[1] = Left[2];
pp[2] = Left[1];
pp[3] = Left[0];
pp[4] = top_left;
pp[5] = Above[0];
pp[6] = Above[1];
pp[7] = Above[2];
pp[8] = Above[3];
dst[3 * dst_stride + 0] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
dst[2 * dst_stride + 0] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
dst[3 * dst_stride + 1] =
dst[1 * dst_stride + 0] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
dst[2 * dst_stride + 1] =
dst[0 * dst_stride + 0] = (pp[4] + pp[5] + 1) >> 1;
dst[3 * dst_stride + 2] =
dst[1 * dst_stride + 1] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
dst[2 * dst_stride + 2] =
dst[0 * dst_stride + 1] = (pp[5] + pp[6] + 1) >> 1;
dst[3 * dst_stride + 3] =
dst[1 * dst_stride + 2] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
dst[2 * dst_stride + 3] =
dst[0 * dst_stride + 2] = (pp[6] + pp[7] + 1) >> 1;
dst[1 * dst_stride + 3] = (pp[6] + pp[7] * 2 + pp[8] + 2) >> 2;
dst[0 * dst_stride + 3] = (pp[7] + pp[8] + 1) >> 1;
}
break;
case B_VL_PRED:
{
unsigned char *pp = Above;
dst[0 * dst_stride + 0] = (pp[0] + pp[1] + 1) >> 1;
dst[1 * dst_stride + 0] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
dst[2 * dst_stride + 0] =
dst[0 * dst_stride + 1] = (pp[1] + pp[2] + 1) >> 1;
dst[1 * dst_stride + 1] =
dst[3 * dst_stride + 0] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
dst[2 * dst_stride + 1] =
dst[0 * dst_stride + 2] = (pp[2] + pp[3] + 1) >> 1;
dst[3 * dst_stride + 1] =
dst[1 * dst_stride + 2] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
dst[0 * dst_stride + 3] =
dst[2 * dst_stride + 2] = (pp[3] + pp[4] + 1) >> 1;
dst[1 * dst_stride + 3] =
dst[3 * dst_stride + 2] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
dst[2 * dst_stride + 3] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
dst[3 * dst_stride + 3] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
}
break;
case B_HD_PRED:
{
unsigned char pp[9];
pp[0] = Left[3];
pp[1] = Left[2];
pp[2] = Left[1];
pp[3] = Left[0];
pp[4] = top_left;
pp[5] = Above[0];
pp[6] = Above[1];
pp[7] = Above[2];
pp[8] = Above[3];
dst[3 * dst_stride + 0] = (pp[0] + pp[1] + 1) >> 1;
dst[3 * dst_stride + 1] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
dst[2 * dst_stride + 0] =
dst[3 * dst_stride + 2] = (pp[1] + pp[2] + 1) >> 1;
dst[2 * dst_stride + 1] =
dst[3 * dst_stride + 3] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
dst[2 * dst_stride + 2] =
dst[1 * dst_stride + 0] = (pp[2] + pp[3] + 1) >> 1;
dst[2 * dst_stride + 3] =
dst[1 * dst_stride + 1] = (pp[2] + pp[3] * 2 + pp[4] + 2) >> 2;
dst[1 * dst_stride + 2] =
dst[0 * dst_stride + 0] = (pp[3] + pp[4] + 1) >> 1;
dst[1 * dst_stride + 3] =
dst[0 * dst_stride + 1] = (pp[3] + pp[4] * 2 + pp[5] + 2) >> 2;
dst[0 * dst_stride + 2] = (pp[4] + pp[5] * 2 + pp[6] + 2) >> 2;
dst[0 * dst_stride + 3] = (pp[5] + pp[6] * 2 + pp[7] + 2) >> 2;
}
break;
case B_HU_PRED:
{
unsigned char *pp = Left;
dst[0 * dst_stride + 0] = (pp[0] + pp[1] + 1) >> 1;
dst[0 * dst_stride + 1] = (pp[0] + pp[1] * 2 + pp[2] + 2) >> 2;
dst[0 * dst_stride + 2] =
dst[1 * dst_stride + 0] = (pp[1] + pp[2] + 1) >> 1;
dst[0 * dst_stride + 3] =
dst[1 * dst_stride + 1] = (pp[1] + pp[2] * 2 + pp[3] + 2) >> 2;
dst[1 * dst_stride + 2] =
dst[2 * dst_stride + 0] = (pp[2] + pp[3] + 1) >> 1;
dst[1 * dst_stride + 3] =
dst[2 * dst_stride + 1] = (pp[2] + pp[3] * 2 + pp[3] + 2) >> 2;
dst[2 * dst_stride + 2] =
dst[2 * dst_stride + 3] =
dst[3 * dst_stride + 0] =
dst[3 * dst_stride + 1] =
dst[3 * dst_stride + 2] =
dst[3 * dst_stride + 3] = pp[3];
}
break;
}
}
/* copy 4 bytes from the above right down so that the 4x4 prediction modes using pixels above and
* to the right prediction have filled in pixels to use.
*/
void vp8_intra_prediction_down_copy(MACROBLOCKD *x)
{
unsigned char *above_right = *(x->block[0].base_dst) + x->block[0].dst - x->block[0].dst_stride + 16;
unsigned int *src_ptr = (unsigned int *)above_right;
unsigned int *dst_ptr0 = (unsigned int *)(above_right + 4 * x->block[0].dst_stride);
unsigned int *dst_ptr1 = (unsigned int *)(above_right + 8 * x->block[0].dst_stride);
unsigned int *dst_ptr2 = (unsigned int *)(above_right + 12 * x->block[0].dst_stride);
*dst_ptr0 = *src_ptr;
*dst_ptr1 = *src_ptr;
*dst_ptr2 = *src_ptr;
}