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FFmpeg/libavcodec/dsputil_template.c

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/*
* DSP utils
* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* DSP utils
*/
#include "bit_depth_template.c"
#if BIT_DEPTH == 8
/* draw the edges of width 'w' of an image of size width, height */
// FIXME: Check that this is OK for MPEG-4 interlaced.
static void FUNCC(draw_edges)(uint8_t *_buf, int _wrap, int width, int height,
int w, int h, int sides)
{
pixel *buf = (pixel *) _buf;
int wrap = _wrap / sizeof(pixel);
pixel *ptr = buf, *last_line;
int i;
/* left and right */
for (i = 0; i < height; i++) {
memset(ptr - w, ptr[0], w);
memset(ptr + width, ptr[width - 1], w);
ptr += wrap;
}
/* top and bottom + corners */
buf -= w;
last_line = buf + (height - 1) * wrap;
if (sides & EDGE_TOP)
for (i = 0; i < h; i++)
// top
memcpy(buf - (i + 1) * wrap, buf, (width + w + w) * sizeof(pixel));
if (sides & EDGE_BOTTOM)
for (i = 0; i < h; i++)
// bottom
memcpy(last_line + (i + 1) * wrap, last_line,
(width + w + w) * sizeof(pixel));
}
#endif
static void FUNCC(get_pixels)(int16_t *av_restrict block, const uint8_t *_pixels,
int line_size)
{
const pixel *pixels = (const pixel *) _pixels;
int i;
/* read the pixels */
for (i = 0; i < 8; i++) {
block[0] = pixels[0];
block[1] = pixels[1];
block[2] = pixels[2];
block[3] = pixels[3];
block[4] = pixels[4];
block[5] = pixels[5];
block[6] = pixels[6];
block[7] = pixels[7];
pixels += line_size / sizeof(pixel);
block += 8;
}
}
#if BIT_DEPTH == 8
static void FUNCC(clear_block)(int16_t *block)
{
memset(block, 0, sizeof(int16_t) * 64);
}
static void FUNCC(clear_blocks)(int16_t *blocks)
{
memset(blocks, 0, sizeof(int16_t) * 6 * 64);
}
#endif
#if BIT_DEPTH == 8
#include "hpel_template.c"
#endif
#define PIXOP2(OPNAME, OP) \
static inline void FUNC(OPNAME ## _no_rnd_pixels8_l2)(uint8_t *dst, \
const uint8_t *src1, \
const uint8_t *src2, \
int dst_stride, \
int src_stride1, \
int src_stride2, \
int h) \
{ \
int i; \
\
for (i = 0; i < h; i++) { \
pixel4 a, b; \
a = AV_RN4P(&src1[i * src_stride1]); \
b = AV_RN4P(&src2[i * src_stride2]); \
OP(*((pixel4 *) &dst[i * dst_stride]), \
no_rnd_avg_pixel4(a, b)); \
a = AV_RN4P(&src1[i * src_stride1 + 4 * sizeof(pixel)]); \
b = AV_RN4P(&src2[i * src_stride2 + 4 * sizeof(pixel)]); \
OP(*((pixel4 *) &dst[i * dst_stride + 4 * sizeof(pixel)]), \
no_rnd_avg_pixel4(a, b)); \
} \
} \
\
static inline void FUNC(OPNAME ## _no_rnd_pixels16_l2)(uint8_t *dst, \
const uint8_t *src1, \
const uint8_t *src2, \
int dst_stride, \
int src_stride1, \
int src_stride2, \
int h) \
{ \
FUNC(OPNAME ## _no_rnd_pixels8_l2)(dst, src1, src2, dst_stride, \
src_stride1, src_stride2, h); \
FUNC(OPNAME ## _no_rnd_pixels8_l2)(dst + 8 * sizeof(pixel), \
src1 + 8 * sizeof(pixel), \
src2 + 8 * sizeof(pixel), \
dst_stride, src_stride1, \
src_stride2, h); \
} \
\
static inline void FUNC(OPNAME ## _pixels8_l4)(uint8_t *dst, \
const uint8_t *src1, \
const uint8_t *src2, \
const uint8_t *src3, \
const uint8_t *src4, \
int dst_stride, \
int src_stride1, \
int src_stride2, \
int src_stride3, \
int src_stride4, \
int h) \
{ \
/* FIXME HIGH BIT DEPTH */ \
int i; \
\
for (i = 0; i < h; i++) { \
uint32_t a, b, c, d, l0, l1, h0, h1; \
a = AV_RN32(&src1[i * src_stride1]); \
b = AV_RN32(&src2[i * src_stride2]); \
c = AV_RN32(&src3[i * src_stride3]); \
d = AV_RN32(&src4[i * src_stride4]); \
l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x02020202UL; \
h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
l1 = (c & 0x03030303UL) + \
(d & 0x03030303UL); \
h1 = ((c & 0xFCFCFCFCUL) >> 2) + \
((d & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) &dst[i * dst_stride]), \
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
a = AV_RN32(&src1[i * src_stride1 + 4]); \
b = AV_RN32(&src2[i * src_stride2 + 4]); \
c = AV_RN32(&src3[i * src_stride3 + 4]); \
d = AV_RN32(&src4[i * src_stride4 + 4]); \
l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x02020202UL; \
h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
l1 = (c & 0x03030303UL) + \
(d & 0x03030303UL); \
h1 = ((c & 0xFCFCFCFCUL) >> 2) + \
((d & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) &dst[i * dst_stride + 4]), \
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
} \
} \
\
static inline void FUNC(OPNAME ## _no_rnd_pixels8_l4)(uint8_t *dst, \
const uint8_t *src1, \
const uint8_t *src2, \
const uint8_t *src3, \
const uint8_t *src4, \
int dst_stride, \
int src_stride1, \
int src_stride2, \
int src_stride3, \
int src_stride4, \
int h) \
{ \
/* FIXME HIGH BIT DEPTH */ \
int i; \
\
for (i = 0; i < h; i++) { \
uint32_t a, b, c, d, l0, l1, h0, h1; \
a = AV_RN32(&src1[i * src_stride1]); \
b = AV_RN32(&src2[i * src_stride2]); \
c = AV_RN32(&src3[i * src_stride3]); \
d = AV_RN32(&src4[i * src_stride4]); \
l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x01010101UL; \
h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
l1 = (c & 0x03030303UL) + \
(d & 0x03030303UL); \
h1 = ((c & 0xFCFCFCFCUL) >> 2) + \
((d & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) &dst[i * dst_stride]), \
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
a = AV_RN32(&src1[i * src_stride1 + 4]); \
b = AV_RN32(&src2[i * src_stride2 + 4]); \
c = AV_RN32(&src3[i * src_stride3 + 4]); \
d = AV_RN32(&src4[i * src_stride4 + 4]); \
l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x01010101UL; \
h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
l1 = (c & 0x03030303UL) + \
(d & 0x03030303UL); \
h1 = ((c & 0xFCFCFCFCUL) >> 2) + \
((d & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) &dst[i * dst_stride + 4]), \
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
} \
} \
static inline void FUNC(OPNAME ## _pixels16_l4)(uint8_t *dst, \
const uint8_t *src1, \
const uint8_t *src2, \
const uint8_t *src3, \
const uint8_t *src4, \
int dst_stride, \
int src_stride1, \
int src_stride2, \
int src_stride3, \
int src_stride4, \
int h) \
{ \
FUNC(OPNAME ## _pixels8_l4)(dst, src1, src2, src3, src4, dst_stride, \
src_stride1, src_stride2, src_stride3, \
src_stride4, h); \
FUNC(OPNAME ## _pixels8_l4)(dst + 8 * sizeof(pixel), \
src1 + 8 * sizeof(pixel), \
src2 + 8 * sizeof(pixel), \
src3 + 8 * sizeof(pixel), \
src4 + 8 * sizeof(pixel), \
dst_stride, src_stride1, src_stride2, \
src_stride3, src_stride4, h); \
} \
static inline void FUNC(OPNAME ## _no_rnd_pixels16_l4)(uint8_t *dst, \
const uint8_t *src1, \
const uint8_t *src2, \
const uint8_t *src3, \
const uint8_t *src4, \
int dst_stride, \
int src_stride1, \
int src_stride2, \
int src_stride3, \
int src_stride4, \
int h) \
{ \
FUNC(OPNAME ## _no_rnd_pixels8_l4)(dst, src1, src2, src3, src4, \
dst_stride, src_stride1, src_stride2, \
src_stride3, src_stride4, h); \
FUNC(OPNAME ## _no_rnd_pixels8_l4)(dst + 8 * sizeof(pixel), \
src1 + 8 * sizeof(pixel), \
src2 + 8 * sizeof(pixel), \
src3 + 8 * sizeof(pixel), \
src4 + 8 * sizeof(pixel), \
dst_stride, src_stride1, src_stride2, \
src_stride3, src_stride4, h); \
} \
\
static inline void FUNCC(OPNAME ## _pixels8_xy2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
/* FIXME HIGH BIT DEPTH */ \
int j; \
\
for (j = 0; j < 2; j++) { \
int i; \
const uint32_t a = AV_RN32(pixels); \
const uint32_t b = AV_RN32(pixels + 1); \
uint32_t l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x02020202UL; \
uint32_t h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
uint32_t l1, h1; \
\
pixels += line_size; \
for (i = 0; i < h; i += 2) { \
uint32_t a = AV_RN32(pixels); \
uint32_t b = AV_RN32(pixels + 1); \
l1 = (a & 0x03030303UL) + \
(b & 0x03030303UL); \
h1 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) block), \
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
pixels += line_size; \
block += line_size; \
a = AV_RN32(pixels); \
b = AV_RN32(pixels + 1); \
l0 = (a & 0x03030303UL) + \
(b & 0x03030303UL) + \
0x02020202UL; \
h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
((b & 0xFCFCFCFCUL) >> 2); \
OP(*((uint32_t *) block), \
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
pixels += line_size; \
block += line_size; \
} \
pixels += 4 - line_size * (h + 1); \
block += 4 - line_size * h; \
} \
} \
\
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_xy2), \
FUNCC(OPNAME ## _pixels8_xy2), \
8 * sizeof(pixel)) \
#define op_avg(a, b) a = rnd_avg_pixel4(a, b)
#define op_put(a, b) a = b
#if BIT_DEPTH == 8
#define put_no_rnd_pixels8_8_c put_pixels8_8_c
PIXOP2(avg, op_avg)
PIXOP2(put, op_put)
#endif
#undef op_avg
#undef op_put