本文整理汇总了C++中CONVERT_TO_SHORTPTR函数的典型用法代码示例。如果您正苦于以下问题：C++ CONVERT_TO_SHORTPTR函数的具体用法？C++ CONVERT_TO_SHORTPTR怎么用？C++ CONVERT_TO_SHORTPTR使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了CONVERT_TO_SHORTPTR函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: highbd_convolve_avg_horiz
static void highbd_convolve_avg_horiz(const uint8_t *src8, ptrdiff_t src_stride,
uint8_t *dst8, ptrdiff_t dst_stride,
const InterpKernel *x_filters,
int x0_q4, int x_step_q4,
int w, int h, int bd) {
int x, y;
uint16_t *src = CONVERT_TO_SHORTPTR(src8);
uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
src -= SUBPEL_TAPS / 2 - 1;
for (y = 0; y < h; ++y) {
int x_q4 = x0_q4;
for (x = 0; x < w; ++x) {
const uint16_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
int k, sum = 0;
for (k = 0; k < SUBPEL_TAPS; ++k)
sum += src_x[k] * x_filter[k];
dst[x] = ROUND_POWER_OF_TWO(dst[x] +
clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd), 1);
x_q4 += x_step_q4;
}
src += src_stride;
dst += dst_stride;
}
}
开发者ID:ZTMC，项目名称:libvpx，代码行数:25，代码来源:vpx_convolve.c
示例2: aom_yv12_partial_copy_v_c
void aom_yv12_partial_copy_v_c(const YV12_BUFFER_CONFIG *src_bc,
YV12_BUFFER_CONFIG *dst_bc, int hstart, int hend,
int vstart, int vend) {
int row;
const uint8_t *src = src_bc->v_buffer;
uint8_t *dst = dst_bc->v_buffer;
if (src_bc->flags & YV12_FLAG_HIGHBITDEPTH) {
const uint16_t *src16 =
CONVERT_TO_SHORTPTR(src + vstart * src_bc->uv_stride + hstart);
uint16_t *dst16 =
CONVERT_TO_SHORTPTR(dst + vstart * dst_bc->uv_stride + hstart);
for (row = vstart; row < vend; ++row) {
memcpy(dst16, src16, (hend - hstart) * sizeof(uint16_t));
src16 += src_bc->uv_stride;
dst16 += dst_bc->uv_stride;
}
return;
}
src = (src + vstart * src_bc->uv_stride + hstart);
dst = (dst + vstart * dst_bc->uv_stride + hstart);
for (row = vstart; row < vend; ++row) {
memcpy(dst, src, (hend - hstart));
src += src_bc->uv_stride;
dst += dst_bc->uv_stride;
}
}
开发者ID:kevleyski，项目名称:FFmpeg，代码行数:29，代码来源:yv12extend.c
示例3: highbd_masked_sad
static INLINE
unsigned int highbd_masked_sad(const uint8_t *src8, int src_stride,
const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride,
const uint8_t *m, int m_stride, int width,
int height) {
int y, x;
unsigned int sad = 0;
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
const uint16_t pred = AOM_BLEND_A64(m[x], a[x], b[x]);
sad += abs(pred - src[x]);
}
src += src_stride;
a += a_stride;
b += b_stride;
m += m_stride;
}
sad = (sad + 31) >> 6;
return sad;
}
开发者ID:jfiguinha，项目名称:Regards，代码行数:27，代码来源:sad_av1.c
示例4: aom_highbd_blend_a64_vmask_c
void aom_highbd_blend_a64_vmask_c(uint8_t *dst_8, uint32_t dst_stride,
const uint8_t *src0_8, uint32_t src0_stride,
const uint8_t *src1_8, uint32_t src1_stride,
const uint8_t *mask, int h, int w, int bd) {
int i, j;
uint16_t *dst = CONVERT_TO_SHORTPTR(dst_8);
const uint16_t *src0 = CONVERT_TO_SHORTPTR(src0_8);
const uint16_t *src1 = CONVERT_TO_SHORTPTR(src1_8);
(void)bd;
assert(IMPLIES(src0 == dst, src0_stride == dst_stride));
assert(IMPLIES(src1 == dst, src1_stride == dst_stride));
assert(h >= 1);
assert(w >= 1);
assert(IS_POWER_OF_TWO(h));
assert(IS_POWER_OF_TWO(w));
assert(bd == 8 || bd == 10 || bd == 12);
for (i = 0; i < h; ++i) {
const int m = mask[i];
for (j = 0; j < w; ++j) {
dst[i * dst_stride + j] = AOM_BLEND_A64(m, src0[i * src0_stride + j],
src1[i * src1_stride + j]);
}
}
}
开发者ID:kevleyski，项目名称:FFmpeg，代码行数:28，代码来源:blend_a64_vmask.c
示例5: vpx_yv12_copy_y_c
void vpx_yv12_copy_y_c(const YV12_BUFFER_CONFIG *src_ybc,
YV12_BUFFER_CONFIG *dst_ybc) {
int row;
const uint8_t *src = src_ybc->y_buffer;
uint8_t *dst = dst_ybc->y_buffer;
#if CONFIG_VP9_HIGHBITDEPTH
if (src_ybc->flags & YV12_FLAG_HIGHBITDEPTH) {
const uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
for (row = 0; row < src_ybc->y_height; ++row) {
memcpy(dst16, src16, src_ybc->y_width * sizeof(uint16_t));
src16 += src_ybc->y_stride;
dst16 += dst_ybc->y_stride;
}
return;
}
#endif
for (row = 0; row < src_ybc->y_height; ++row) {
memcpy(dst, src, src_ybc->y_width);
src += src_ybc->y_stride;
dst += dst_ybc->y_stride;
}
}
开发者ID:93i，项目名称:godot，代码行数:25，代码来源:yv12extend.c
示例6: highbd_convolve_avg_vert
static void highbd_convolve_avg_vert(const uint8_t *src8, ptrdiff_t src_stride,
uint8_t *dst8, ptrdiff_t dst_stride,
const InterpKernel *y_filters,
int y0_q4, int y_step_q4, int w, int h,
int bd) {
int x, y;
uint16_t *src = CONVERT_TO_SHORTPTR(src8);
uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
src -= src_stride * (SUBPEL_TAPS / 2 - 1);
for (x = 0; x < w; ++x) {
int y_q4 = y0_q4;
for (y = 0; y < h; ++y) {
const uint16_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
int k, sum = 0;
for (k = 0; k < SUBPEL_TAPS; ++k)
sum += src_y[k * src_stride] * y_filter[k];
dst[y * dst_stride] = ROUND_POWER_OF_TWO(dst[y * dst_stride] +
clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd), 1);
y_q4 += y_step_q4;
}
++src;
++dst;
}
}
开发者ID:ZTMC，项目名称:libvpx，代码行数:25，代码来源:vpx_convolve.c
示例7: highbd_masked_sad4xh_ssse3
static INLINE unsigned int highbd_masked_sad4xh_ssse3(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m_ptr, int m_stride,
int height) {
const uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a_ptr = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b_ptr = CONVERT_TO_SHORTPTR(b8);
int y;
__m128i res = _mm_setzero_si128();
const __m128i mask_max = _mm_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS));
const __m128i round_const =
_mm_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1);
const __m128i one = _mm_set1_epi16(1);
for (y = 0; y < height; y += 2) {
const __m128i src = _mm_unpacklo_epi64(
_mm_loadl_epi64((const __m128i *)src_ptr),
_mm_loadl_epi64((const __m128i *)&src_ptr[src_stride]));
const __m128i a =
_mm_unpacklo_epi64(_mm_loadl_epi64((const __m128i *)a_ptr),
_mm_loadl_epi64((const __m128i *)&a_ptr[a_stride]));
const __m128i b =
_mm_unpacklo_epi64(_mm_loadl_epi64((const __m128i *)b_ptr),
_mm_loadl_epi64((const __m128i *)&b_ptr[b_stride]));
// Zero-extend mask to 16 bits
const __m128i m = _mm_unpacklo_epi8(
_mm_unpacklo_epi32(
_mm_cvtsi32_si128(*(const uint32_t *)m_ptr),
_mm_cvtsi32_si128(*(const uint32_t *)&m_ptr[m_stride])),
_mm_setzero_si128());
const __m128i m_inv = _mm_sub_epi16(mask_max, m);
const __m128i data_l = _mm_unpacklo_epi16(a, b);
const __m128i mask_l = _mm_unpacklo_epi16(m, m_inv);
__m128i pred_l = _mm_madd_epi16(data_l, mask_l);
pred_l = _mm_srai_epi32(_mm_add_epi32(pred_l, round_const),
AOM_BLEND_A64_ROUND_BITS);
const __m128i data_r = _mm_unpackhi_epi16(a, b);
const __m128i mask_r = _mm_unpackhi_epi16(m, m_inv);
__m128i pred_r = _mm_madd_epi16(data_r, mask_r);
pred_r = _mm_srai_epi32(_mm_add_epi32(pred_r, round_const),
AOM_BLEND_A64_ROUND_BITS);
const __m128i pred = _mm_packs_epi32(pred_l, pred_r);
const __m128i diff = _mm_abs_epi16(_mm_sub_epi16(pred, src));
res = _mm_add_epi32(res, _mm_madd_epi16(diff, one));
src_ptr += src_stride * 2;
a_ptr += a_stride * 2;
b_ptr += b_stride * 2;
m_ptr += m_stride * 2;
}
res = _mm_hadd_epi32(res, res);
res = _mm_hadd_epi32(res, res);
int sad = _mm_cvtsi128_si32(res);
return (sad + 31) >> 6;
}
开发者ID:luke-chang，项目名称:gecko-1，代码行数:58，代码来源:masked_sad_intrin_ssse3.c
示例8: highbd_masked_sad_ssse3
static INLINE unsigned int highbd_masked_sad_ssse3(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m_ptr, int m_stride,
int width, int height) {
const uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a_ptr = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b_ptr = CONVERT_TO_SHORTPTR(b8);
int x, y;
__m128i res = _mm_setzero_si128();
const __m128i mask_max = _mm_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS));
const __m128i round_const =
_mm_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1);
const __m128i one = _mm_set1_epi16(1);
for (y = 0; y < height; y++) {
for (x = 0; x < width; x += 8) {
const __m128i src = _mm_loadu_si128((const __m128i *)&src_ptr[x]);
const __m128i a = _mm_loadu_si128((const __m128i *)&a_ptr[x]);
const __m128i b = _mm_loadu_si128((const __m128i *)&b_ptr[x]);
// Zero-extend mask to 16 bits
const __m128i m = _mm_unpacklo_epi8(
_mm_loadl_epi64((const __m128i *)&m_ptr[x]), _mm_setzero_si128());
const __m128i m_inv = _mm_sub_epi16(mask_max, m);
const __m128i data_l = _mm_unpacklo_epi16(a, b);
const __m128i mask_l = _mm_unpacklo_epi16(m, m_inv);
__m128i pred_l = _mm_madd_epi16(data_l, mask_l);
pred_l = _mm_srai_epi32(_mm_add_epi32(pred_l, round_const),
AOM_BLEND_A64_ROUND_BITS);
const __m128i data_r = _mm_unpackhi_epi16(a, b);
const __m128i mask_r = _mm_unpackhi_epi16(m, m_inv);
__m128i pred_r = _mm_madd_epi16(data_r, mask_r);
pred_r = _mm_srai_epi32(_mm_add_epi32(pred_r, round_const),
AOM_BLEND_A64_ROUND_BITS);
// Note: the maximum value in pred_l/r is (2^bd)-1 < 2^15,
// so it is safe to do signed saturation here.
const __m128i pred = _mm_packs_epi32(pred_l, pred_r);
// There is no 16-bit SAD instruction, so we have to synthesize
// an 8-element SAD. We do this by storing 4 32-bit partial SADs,
// and accumulating them at the end
const __m128i diff = _mm_abs_epi16(_mm_sub_epi16(pred, src));
res = _mm_add_epi32(res, _mm_madd_epi16(diff, one));
}
src_ptr += src_stride;
a_ptr += a_stride;
b_ptr += b_stride;
m_ptr += m_stride;
}
// At this point, we have four 32-bit partial SADs stored in 'res'.
res = _mm_hadd_epi32(res, res);
res = _mm_hadd_epi32(res, res);
int sad = _mm_cvtsi128_si32(res);
return (sad + 31) >> 6;
}
开发者ID:luke-chang，项目名称:gecko-1，代码行数:57，代码来源:masked_sad_intrin_ssse3.c
示例9: highbd_masked_sad8xh_avx2
static INLINE unsigned int highbd_masked_sad8xh_avx2(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m_ptr, int m_stride,
int height) {
const uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a_ptr = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b_ptr = CONVERT_TO_SHORTPTR(b8);
int y;
__m256i res = _mm256_setzero_si256();
const __m256i mask_max = _mm256_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS));
const __m256i round_const =
_mm256_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1);
const __m256i one = _mm256_set1_epi16(1);
for (y = 0; y < height; y += 2) {
const __m256i src = xx_loadu2_m128i(src_ptr + src_stride, src_ptr);
const __m256i a = xx_loadu2_m128i(a_ptr + a_stride, a_ptr);
const __m256i b = xx_loadu2_m128i(b_ptr + b_stride, b_ptr);
// Zero-extend mask to 16 bits
const __m256i m = _mm256_cvtepu8_epi16(_mm_unpacklo_epi64(
_mm_loadl_epi64((const __m128i *)(m_ptr)),
_mm_loadl_epi64((const __m128i *)(m_ptr + m_stride))));
const __m256i m_inv = _mm256_sub_epi16(mask_max, m);
const __m256i data_l = _mm256_unpacklo_epi16(a, b);
const __m256i mask_l = _mm256_unpacklo_epi16(m, m_inv);
__m256i pred_l = _mm256_madd_epi16(data_l, mask_l);
pred_l = _mm256_srai_epi32(_mm256_add_epi32(pred_l, round_const),
AOM_BLEND_A64_ROUND_BITS);
const __m256i data_r = _mm256_unpackhi_epi16(a, b);
const __m256i mask_r = _mm256_unpackhi_epi16(m, m_inv);
__m256i pred_r = _mm256_madd_epi16(data_r, mask_r);
pred_r = _mm256_srai_epi32(_mm256_add_epi32(pred_r, round_const),
AOM_BLEND_A64_ROUND_BITS);
// Note: the maximum value in pred_l/r is (2^bd)-1 < 2^15,
// so it is safe to do signed saturation here.
const __m256i pred = _mm256_packs_epi32(pred_l, pred_r);
// There is no 16-bit SAD instruction, so we have to synthesize
// an 8-element SAD. We do this by storing 4 32-bit partial SADs,
// and accumulating them at the end
const __m256i diff = _mm256_abs_epi16(_mm256_sub_epi16(pred, src));
res = _mm256_add_epi32(res, _mm256_madd_epi16(diff, one));
src_ptr += src_stride << 1;
a_ptr += a_stride << 1;
b_ptr += b_stride << 1;
m_ptr += m_stride << 1;
}
// At this point, we have four 32-bit partial SADs stored in 'res'.
res = _mm256_hadd_epi32(res, res);
res = _mm256_hadd_epi32(res, res);
int sad = _mm256_extract_epi32(res, 0) + _mm256_extract_epi32(res, 4);
return (sad + 31) >> 6;
}
开发者ID:jfiguinha，项目名称:Regards，代码行数:56，代码来源:masked_sad_intrin_avx2.c
示例10: vpx_highbd_10_mse16x16_sse2
unsigned int vpx_highbd_10_mse16x16_sse2(const uint8_t *src8, int src_stride,
const uint8_t *ref8, int ref_stride,
unsigned int *sse) {
int sum;
uint16_t *src = CONVERT_TO_SHORTPTR(src8);
uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
highbd_10_variance_sse2(src, src_stride, ref, ref_stride, 16, 16,
sse, &sum, vpx_highbd_calc16x16var_sse2, 16);
return *sse;
}
开发者ID:androidisbest，项目名称:libvpx，代码行数:10，代码来源:highbd_variance_sse2.c
示例11: vpx_highbd_12_mse8x8_sse2
unsigned int vpx_highbd_12_mse8x8_sse2(const uint8_t *src8, int src_stride,
const uint8_t *ref8, int ref_stride,
unsigned int *sse) {
int sum;
uint16_t *src = CONVERT_TO_SHORTPTR(src8);
uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
highbd_12_variance_sse2(src, src_stride, ref, ref_stride, 8, 8,
sse, &sum, vpx_highbd_calc8x8var_sse2, 8);
return *sse;
}
开发者ID:androidisbest，项目名称:libvpx，代码行数:10，代码来源:highbd_variance_sse2.c
示例12: highbd_sad
static INLINE
unsigned int highbd_sad(const uint8_t *a8, int a_stride, const uint8_t *b8,
int b_stride, int width, int height) {
int y, x;
unsigned int sad = 0;
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) sad += abs(a[x] - b[x]);
a += a_stride;
b += b_stride;
}
return sad;
}
开发者ID:MIPS，项目名称:external-libvpx，代码行数:15，代码来源:sad.c
示例13: highbd_var_filter_block2d_bil_first_pass
static void highbd_var_filter_block2d_bil_first_pass(
const uint8_t *src_ptr8,
uint16_t *output_ptr,
unsigned int src_pixels_per_line,
int pixel_step,
unsigned int output_height,
unsigned int output_width,
const int16_t *vp9_filter) {
unsigned int i, j;
uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src_ptr8);
for (i = 0; i < output_height; i++) {
for (j = 0; j < output_width; j++) {
output_ptr[j] =
ROUND_POWER_OF_TWO((int)src_ptr[0] * vp9_filter[0] +
(int)src_ptr[pixel_step] * vp9_filter[1],
FILTER_BITS);
src_ptr++;
}
// Next row...
src_ptr += src_pixels_per_line - output_width;
output_ptr += output_width;
}
}
开发者ID:Acidburn0zzz，项目名称:libvpx，代码行数:25，代码来源:vp9_variance.c
示例14: vp10_highbd_iht16x16_256_add_c
void vp10_highbd_iht16x16_256_add_c(const tran_low_t *input, uint8_t *dest8,
int stride, int tx_type, int bd) {
int i, j;
tran_low_t out[16 * 16];
tran_low_t *outptr = out;
tran_low_t temp_in[16], temp_out[16];
const highbd_transform_2d ht = HIGH_IHT_16[tx_type];
uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
// Rows
for (i = 0; i < 16; ++i) {
ht.rows(input, outptr, bd);
input += 16;
outptr += 16;
}
// Columns
for (i = 0; i < 16; ++i) {
for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i];
ht.cols(temp_in, temp_out, bd);
for (j = 0; j < 16; ++j) {
dest[j * stride + i] = highbd_clip_pixel_add(
dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
}
}
}
开发者ID:jmvalin，项目名称:aom，代码行数:26，代码来源:idct.c
示例15: vp10_highbd_iht8x8_64_add_c
void vp10_highbd_iht8x8_64_add_c(const tran_low_t *input, uint8_t *dest8,
int stride, int tx_type, int bd) {
int i, j;
tran_low_t out[8 * 8];
tran_low_t *outptr = out;
tran_low_t temp_in[8], temp_out[8];
const highbd_transform_2d ht = HIGH_IHT_8[tx_type];
uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
// Inverse transform row vectors.
for (i = 0; i < 8; ++i) {
ht.rows(input, outptr, bd);
input += 8;
outptr += 8;
}
// Inverse transform column vectors.
for (i = 0; i < 8; ++i) {
for (j = 0; j < 8; ++j) temp_in[j] = out[j * 8 + i];
ht.cols(temp_in, temp_out, bd);
for (j = 0; j < 8; ++j) {
dest[j * stride + i] = highbd_clip_pixel_add(
dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
}
}
}
开发者ID:jmvalin，项目名称:aom，代码行数:26，代码来源:idct.c
示例16: copy_sb8_16
/* TODO: Optimize this function for SSE. */
static void copy_sb8_16(AV1_COMMON *cm, int16_t *dst, int dstride,
const uint8_t *src, int src_voffset, int src_hoffset,
int sstride, int vsize, int hsize) {
int r, c;
(void)cm;
#if CONFIG_AOM_HIGHBITDEPTH
if (cm->use_highbitdepth) {
const uint16_t *base =
&CONVERT_TO_SHORTPTR(src)[src_voffset * sstride + src_hoffset];
for (r = 0; r < vsize; r++) {
for (c = 0; c < hsize; c++) {
dst[r * dstride + c] = base[r * sstride + c];
}
}
} else
#endif
{
const uint8_t *base = &src[src_voffset * sstride + src_hoffset];
for (r = 0; r < vsize; r++) {
for (c = 0; c < hsize; c++) {
dst[r * dstride + c] = base[r * sstride + c];
}
}
}
}
开发者ID:brion，项目名称:aomedia，代码行数:26，代码来源:dering.c
示例17: vpx_highbd_convolve8_neon
void vpx_highbd_convolve8_neon(const uint8_t *src8, ptrdiff_t src_stride,
uint8_t *dst, ptrdiff_t dst_stride,
const int16_t *filter_x, int x_step_q4,
const int16_t *filter_y, int y_step_q4, int w,
int h, int bd) {
const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
const int y0_q4 = get_filter_offset(filter_y, get_filter_base(filter_y));
// + 1 to make it divisible by 4
DECLARE_ALIGNED(16, uint16_t, temp[64 * 136]);
const int intermediate_height =
(((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS;
/* Filter starting 3 lines back. The neon implementation will ignore the given
* height and filter a multiple of 4 lines. Since this goes in to the temp
* buffer which has lots of extra room and is subsequently discarded this is
* safe if somewhat less than ideal. */
vpx_highbd_convolve8_horiz_neon(CONVERT_TO_BYTEPTR(src - src_stride * 3),
src_stride, CONVERT_TO_BYTEPTR(temp), w,
filter_x, x_step_q4, filter_y, y_step_q4, w,
intermediate_height, bd);
/* Step into the temp buffer 3 lines to get the actual frame data */
vpx_highbd_convolve8_vert_neon(CONVERT_TO_BYTEPTR(temp + w * 3), w, dst,
dst_stride, filter_x, x_step_q4, filter_y,
y_step_q4, w, h, bd);
}
开发者ID:Italtel-Unimi，项目名称:libvpx，代码行数:26，代码来源:highbd_vpx_convolve_neon.c
示例18: vpx_highbd_idct32x32_1_add_neon
void vpx_highbd_idct32x32_1_add_neon(const tran_low_t *input, uint8_t *dest8,
int stride, int bd) {
const tran_low_t out0 =
HIGHBD_WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), bd);
const tran_low_t out1 =
HIGHBD_WRAPLOW(dct_const_round_shift(out0 * cospi_16_64), bd);
const int16_t a1 = ROUND_POWER_OF_TWO(out1, 6);
const int16x8_t dc = vdupq_n_s16(a1);
uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
int i;
if (a1 >= 0) {
const int16x8_t max = vdupq_n_s16((1 << bd) - 1);
for (i = 0; i < 8; ++i) {
highbd_idct32x32_1_add_pos_kernel(&dest, stride, dc, max);
highbd_idct32x32_1_add_pos_kernel(&dest, stride, dc, max);
highbd_idct32x32_1_add_pos_kernel(&dest, stride, dc, max);
highbd_idct32x32_1_add_pos_kernel(&dest, stride, dc, max);
}
} else {
for (i = 0; i < 8; ++i) {
highbd_idct32x32_1_add_neg_kernel(&dest, stride, dc);
highbd_idct32x32_1_add_neg_kernel(&dest, stride, dc);
highbd_idct32x32_1_add_neg_kernel(&dest, stride, dc);
highbd_idct32x32_1_add_neg_kernel(&dest, stride, dc);
}
}
}
开发者ID:bear101，项目名称:libvpx，代码行数:28，代码来源:highbd_idct32x32_add_neon.c
示例19: vp9_highbd_comp_avg_pred
void vp9_highbd_comp_avg_pred(uint16_t *comp_pred, const uint8_t *pred8,
int width, int height, const uint8_t *ref8,
int ref_stride) {
int i, j;
uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
const int tmp = pred[j] + ref[j];
comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
}
comp_pred += width;
pred += width;
ref += ref_stride;
}
}
开发者ID:Acidburn0zzz，项目名称:libvpx，代码行数:16，代码来源:vp9_variance.c
示例20: vp10_highbd_iht4x4_16_add_c
void vp10_highbd_iht4x4_16_add_c(const tran_low_t *input, uint8_t *dest8,
int stride, int tx_type, int bd) {
const highbd_transform_2d IHT_4[] = {
{ vpx_highbd_idct4_c, vpx_highbd_idct4_c }, // DCT_DCT = 0
{ vpx_highbd_iadst4_c, vpx_highbd_idct4_c }, // ADST_DCT = 1
{ vpx_highbd_idct4_c, vpx_highbd_iadst4_c }, // DCT_ADST = 2
{ vpx_highbd_iadst4_c, vpx_highbd_iadst4_c } // ADST_ADST = 3
};
uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
int i, j;
tran_low_t out[4 * 4];
tran_low_t *outptr = out;
tran_low_t temp_in[4], temp_out[4];
// Inverse transform row vectors.
for (i = 0; i < 4; ++i) {
IHT_4[tx_type].rows(input, outptr, bd);
input += 4;
outptr += 4;
}
// Inverse transform column vectors.
for (i = 0; i < 4; ++i) {
for (j = 0; j < 4; ++j) temp_in[j] = out[j * 4 + i];
IHT_4[tx_type].cols(temp_in, temp_out, bd);
for (j = 0; j < 4; ++j) {
dest[j * stride + i] = highbd_clip_pixel_add(
dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 4), bd);
}
}
}
开发者ID:jmvalin，项目名称:aom，代码行数:32，代码来源:idct.c
注：本文中的CONVERT_TO_SHORTPTR函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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