mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
622 lines
24 KiB
622 lines
24 KiB
/* |
|
* DSP utils |
|
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
|
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
|
* |
|
* This file is part of Libav. |
|
* |
|
* Libav 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. |
|
* |
|
* Libav 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 Libav; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
/** |
|
* @file |
|
* DSP utils. |
|
* note, many functions in here may use MMX which trashes the FPU state, it is |
|
* absolutely necessary to call emms_c() between dsp & float/double code |
|
*/ |
|
|
|
#ifndef AVCODEC_DSPUTIL_H |
|
#define AVCODEC_DSPUTIL_H |
|
|
|
#include "libavutil/intreadwrite.h" |
|
#include "avcodec.h" |
|
|
|
|
|
//#define DEBUG |
|
/* dct code */ |
|
|
|
void ff_fdct_ifast(int16_t *data); |
|
void ff_fdct_ifast248(int16_t *data); |
|
void ff_jpeg_fdct_islow_8(int16_t *data); |
|
void ff_jpeg_fdct_islow_10(int16_t *data); |
|
void ff_fdct248_islow_8(int16_t *data); |
|
void ff_fdct248_islow_10(int16_t *data); |
|
|
|
void ff_j_rev_dct(int16_t *data); |
|
|
|
void ff_fdct_mmx(int16_t *block); |
|
void ff_fdct_mmxext(int16_t *block); |
|
void ff_fdct_sse2(int16_t *block); |
|
|
|
#define H264_IDCT(depth) \ |
|
void ff_h264_idct8_add_ ## depth ## _c(uint8_t *dst, int16_t *block, int stride);\ |
|
void ff_h264_idct_add_ ## depth ## _c(uint8_t *dst, int16_t *block, int stride);\ |
|
void ff_h264_idct8_dc_add_ ## depth ## _c(uint8_t *dst, int16_t *block, int stride);\ |
|
void ff_h264_idct_dc_add_ ## depth ## _c(uint8_t *dst, int16_t *block, int stride);\ |
|
void ff_h264_idct_add16_ ## depth ## _c(uint8_t *dst, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[6*8]);\ |
|
void ff_h264_idct_add16intra_ ## depth ## _c(uint8_t *dst, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[6*8]);\ |
|
void ff_h264_idct8_add4_ ## depth ## _c(uint8_t *dst, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[6*8]);\ |
|
void ff_h264_idct_add8_422_ ## depth ## _c(uint8_t **dest, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[6*8]);\ |
|
void ff_h264_idct_add8_ ## depth ## _c(uint8_t **dest, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[6*8]);\ |
|
void ff_h264_luma_dc_dequant_idct_ ## depth ## _c(int16_t *output, int16_t *input, int qmul);\ |
|
void ff_h264_chroma422_dc_dequant_idct_ ## depth ## _c(int16_t *block, int qmul);\ |
|
void ff_h264_chroma_dc_dequant_idct_ ## depth ## _c(int16_t *block, int qmul); |
|
|
|
H264_IDCT( 8) |
|
H264_IDCT( 9) |
|
H264_IDCT(10) |
|
|
|
void ff_svq3_luma_dc_dequant_idct_c(int16_t *output, int16_t *input, int qp); |
|
void ff_svq3_add_idct_c(uint8_t *dst, int16_t *block, int stride, int qp, int dc); |
|
|
|
/* encoding scans */ |
|
extern const uint8_t ff_alternate_horizontal_scan[64]; |
|
extern const uint8_t ff_alternate_vertical_scan[64]; |
|
extern const uint8_t ff_zigzag_direct[64]; |
|
extern const uint8_t ff_zigzag248_direct[64]; |
|
|
|
/* pixel operations */ |
|
#define MAX_NEG_CROP 1024 |
|
|
|
/* temporary */ |
|
extern uint32_t ff_squareTbl[512]; |
|
extern uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP]; |
|
|
|
#define PUTAVG_PIXELS(depth)\ |
|
void ff_put_pixels8x8_ ## depth ## _c(uint8_t *dst, uint8_t *src, int stride);\ |
|
void ff_avg_pixels8x8_ ## depth ## _c(uint8_t *dst, uint8_t *src, int stride);\ |
|
void ff_put_pixels16x16_ ## depth ## _c(uint8_t *dst, uint8_t *src, int stride);\ |
|
void ff_avg_pixels16x16_ ## depth ## _c(uint8_t *dst, uint8_t *src, int stride); |
|
|
|
PUTAVG_PIXELS( 8) |
|
PUTAVG_PIXELS( 9) |
|
PUTAVG_PIXELS(10) |
|
|
|
#define ff_put_pixels8x8_c ff_put_pixels8x8_8_c |
|
#define ff_avg_pixels8x8_c ff_avg_pixels8x8_8_c |
|
#define ff_put_pixels16x16_c ff_put_pixels16x16_8_c |
|
#define ff_avg_pixels16x16_c ff_avg_pixels16x16_8_c |
|
|
|
/* RV40 functions */ |
|
void ff_put_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, int stride); |
|
void ff_avg_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, int stride); |
|
void ff_put_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, int stride); |
|
void ff_avg_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, int stride); |
|
|
|
/* 1/2^n downscaling functions from imgconvert.c */ |
|
void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
|
void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
|
void ff_shrink88(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
|
|
|
void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy, |
|
int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height); |
|
|
|
/* minimum alignment rules ;) |
|
If you notice errors in the align stuff, need more alignment for some ASM code |
|
for some CPU or need to use a function with less aligned data then send a mail |
|
to the libav-devel mailing list, ... |
|
|
|
!warning These alignments might not match reality, (missing attribute((align)) |
|
stuff somewhere possible). |
|
I (Michael) did not check them, these are just the alignments which I think |
|
could be reached easily ... |
|
|
|
!future video codecs might need functions with less strict alignment |
|
*/ |
|
|
|
/* |
|
void get_pixels_c(int16_t *block, const uint8_t *pixels, int line_size); |
|
void diff_pixels_c(int16_t *block, const uint8_t *s1, const uint8_t *s2, int stride); |
|
void put_pixels_clamped_c(const int16_t *block, uint8_t *pixels, int line_size); |
|
void add_pixels_clamped_c(const int16_t *block, uint8_t *pixels, int line_size); |
|
void clear_blocks_c(int16_t *blocks); |
|
*/ |
|
|
|
/* add and put pixel (decoding) */ |
|
// blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16 |
|
//h for op_pixels_func is limited to {width/2, width} but never larger than 16 and never smaller than 4 |
|
typedef void (*op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int h); |
|
typedef void (*tpel_mc_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int w, int h); |
|
typedef void (*qpel_mc_func)(uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride); |
|
typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y); |
|
|
|
typedef void (*op_fill_func)(uint8_t *block/*align width (8 or 16)*/, uint8_t value, int line_size, int h); |
|
|
|
#define DEF_OLD_QPEL(name)\ |
|
void ff_put_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\ |
|
void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\ |
|
void ff_avg_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride); |
|
|
|
DEF_OLD_QPEL(qpel16_mc11_old_c) |
|
DEF_OLD_QPEL(qpel16_mc31_old_c) |
|
DEF_OLD_QPEL(qpel16_mc12_old_c) |
|
DEF_OLD_QPEL(qpel16_mc32_old_c) |
|
DEF_OLD_QPEL(qpel16_mc13_old_c) |
|
DEF_OLD_QPEL(qpel16_mc33_old_c) |
|
DEF_OLD_QPEL(qpel8_mc11_old_c) |
|
DEF_OLD_QPEL(qpel8_mc31_old_c) |
|
DEF_OLD_QPEL(qpel8_mc12_old_c) |
|
DEF_OLD_QPEL(qpel8_mc32_old_c) |
|
DEF_OLD_QPEL(qpel8_mc13_old_c) |
|
DEF_OLD_QPEL(qpel8_mc33_old_c) |
|
|
|
#define CALL_2X_PIXELS(a, b, n)\ |
|
static void a(uint8_t *block, const uint8_t *pixels, int line_size, int h){\ |
|
b(block , pixels , line_size, h);\ |
|
b(block+n, pixels+n, line_size, h);\ |
|
} |
|
|
|
/* motion estimation */ |
|
// h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller than 2 |
|
// although currently h<4 is not used as functions with width <8 are neither used nor implemented |
|
typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, uint8_t *blk1/*align width (8 or 16)*/, uint8_t *blk2/*align 1*/, int line_size, int h)/* __attribute__ ((const))*/; |
|
|
|
/** |
|
* Scantable. |
|
*/ |
|
typedef struct ScanTable{ |
|
const uint8_t *scantable; |
|
uint8_t permutated[64]; |
|
uint8_t raster_end[64]; |
|
} ScanTable; |
|
|
|
void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable); |
|
void ff_init_scantable_permutation(uint8_t *idct_permutation, |
|
int idct_permutation_type); |
|
|
|
/** |
|
* DSPContext. |
|
*/ |
|
typedef struct DSPContext { |
|
/** |
|
* Size of DCT coefficients. |
|
*/ |
|
int dct_bits; |
|
|
|
/* pixel ops : interface with DCT */ |
|
void (*get_pixels)(int16_t *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size); |
|
void (*diff_pixels)(int16_t *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride); |
|
void (*put_pixels_clamped)(const int16_t *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); |
|
void (*put_signed_pixels_clamped)(const int16_t *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); |
|
void (*add_pixels_clamped)(const int16_t *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); |
|
void (*add_pixels8)(uint8_t *pixels, int16_t *block, int line_size); |
|
void (*add_pixels4)(uint8_t *pixels, int16_t *block, int line_size); |
|
int (*sum_abs_dctelem)(int16_t *block/*align 16*/); |
|
/** |
|
* translational global motion compensation. |
|
*/ |
|
void (*gmc1)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder); |
|
/** |
|
* global motion compensation. |
|
*/ |
|
void (*gmc )(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int ox, int oy, |
|
int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height); |
|
void (*clear_block)(int16_t *block/*align 16*/); |
|
void (*clear_blocks)(int16_t *blocks/*align 16*/); |
|
int (*pix_sum)(uint8_t * pix, int line_size); |
|
int (*pix_norm1)(uint8_t * pix, int line_size); |
|
// 16x16 8x8 4x4 2x2 16x8 8x4 4x2 8x16 4x8 2x4 |
|
|
|
me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */ |
|
me_cmp_func sse[6]; |
|
me_cmp_func hadamard8_diff[6]; |
|
me_cmp_func dct_sad[6]; |
|
me_cmp_func quant_psnr[6]; |
|
me_cmp_func bit[6]; |
|
me_cmp_func rd[6]; |
|
me_cmp_func vsad[6]; |
|
me_cmp_func vsse[6]; |
|
me_cmp_func nsse[6]; |
|
me_cmp_func dct_max[6]; |
|
me_cmp_func dct264_sad[6]; |
|
|
|
me_cmp_func me_pre_cmp[6]; |
|
me_cmp_func me_cmp[6]; |
|
me_cmp_func me_sub_cmp[6]; |
|
me_cmp_func mb_cmp[6]; |
|
me_cmp_func ildct_cmp[6]; //only width 16 used |
|
me_cmp_func frame_skip_cmp[6]; //only width 8 used |
|
|
|
int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2, |
|
int size); |
|
|
|
/** |
|
* Halfpel motion compensation with rounding (a+b+1)>>1. |
|
* this is an array[4][4] of motion compensation functions for 4 |
|
* horizontal blocksizes (8,16) and the 4 halfpel positions<br> |
|
* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] |
|
* @param block destination where the result is stored |
|
* @param pixels source |
|
* @param line_size number of bytes in a horizontal line of block |
|
* @param h height |
|
*/ |
|
op_pixels_func put_pixels_tab[4][4]; |
|
|
|
/** |
|
* Halfpel motion compensation with rounding (a+b+1)>>1. |
|
* This is an array[4][4] of motion compensation functions for 4 |
|
* horizontal blocksizes (8,16) and the 4 halfpel positions<br> |
|
* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] |
|
* @param block destination into which the result is averaged (a+b+1)>>1 |
|
* @param pixels source |
|
* @param line_size number of bytes in a horizontal line of block |
|
* @param h height |
|
*/ |
|
op_pixels_func avg_pixels_tab[4][4]; |
|
|
|
/** |
|
* Halfpel motion compensation with no rounding (a+b)>>1. |
|
* this is an array[2][4] of motion compensation functions for 2 |
|
* horizontal blocksizes (8,16) and the 4 halfpel positions<br> |
|
* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] |
|
* @param block destination where the result is stored |
|
* @param pixels source |
|
* @param line_size number of bytes in a horizontal line of block |
|
* @param h height |
|
*/ |
|
op_pixels_func put_no_rnd_pixels_tab[2][4]; |
|
|
|
/** |
|
* Halfpel motion compensation with no rounding (a+b)>>1. |
|
* this is an array[4] of motion compensation functions for 1 |
|
* horizontal blocksize (16) and the 4 halfpel positions<br> |
|
* *pixels_tab[0][ xhalfpel + 2*yhalfpel ] |
|
* @param block destination into which the result is averaged (a+b)>>1 |
|
* @param pixels source |
|
* @param line_size number of bytes in a horizontal line of block |
|
* @param h height |
|
*/ |
|
op_pixels_func avg_no_rnd_pixels_tab[1][4]; |
|
|
|
/** |
|
* Thirdpel motion compensation with rounding (a+b+1)>>1. |
|
* this is an array[12] of motion compensation functions for the 9 thirdpe |
|
* positions<br> |
|
* *pixels_tab[ xthirdpel + 4*ythirdpel ] |
|
* @param block destination where the result is stored |
|
* @param pixels source |
|
* @param line_size number of bytes in a horizontal line of block |
|
* @param h height |
|
*/ |
|
tpel_mc_func put_tpel_pixels_tab[11]; //FIXME individual func ptr per width? |
|
tpel_mc_func avg_tpel_pixels_tab[11]; //FIXME individual func ptr per width? |
|
|
|
qpel_mc_func put_qpel_pixels_tab[2][16]; |
|
qpel_mc_func avg_qpel_pixels_tab[2][16]; |
|
qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16]; |
|
qpel_mc_func put_mspel_pixels_tab[8]; |
|
|
|
/** |
|
* h264 Chroma MC |
|
*/ |
|
h264_chroma_mc_func put_h264_chroma_pixels_tab[3]; |
|
h264_chroma_mc_func avg_h264_chroma_pixels_tab[3]; |
|
|
|
qpel_mc_func put_h264_qpel_pixels_tab[4][16]; |
|
qpel_mc_func avg_h264_qpel_pixels_tab[3][16]; |
|
|
|
me_cmp_func pix_abs[2][4]; |
|
|
|
/* huffyuv specific */ |
|
void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w); |
|
void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w); |
|
/** |
|
* subtract huffyuv's variant of median prediction |
|
* note, this might read from src1[-1], src2[-1] |
|
*/ |
|
void (*sub_hfyu_median_prediction)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w, int *left, int *left_top); |
|
void (*add_hfyu_median_prediction)(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top); |
|
int (*add_hfyu_left_prediction)(uint8_t *dst, const uint8_t *src, int w, int left); |
|
void (*add_hfyu_left_prediction_bgr32)(uint8_t *dst, const uint8_t *src, int w, int *red, int *green, int *blue, int *alpha); |
|
void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w); |
|
void (*bswap16_buf)(uint16_t *dst, const uint16_t *src, int len); |
|
|
|
void (*h263_v_loop_filter)(uint8_t *src, int stride, int qscale); |
|
void (*h263_h_loop_filter)(uint8_t *src, int stride, int qscale); |
|
|
|
void (*h261_loop_filter)(uint8_t *src, int stride); |
|
|
|
/* assume len is a multiple of 8, and arrays are 16-byte aligned */ |
|
void (*vector_clipf)(float *dst /* align 16 */, const float *src /* align 16 */, float min, float max, int len /* align 16 */); |
|
|
|
/* (I)DCT */ |
|
void (*fdct)(int16_t *block/* align 16*/); |
|
void (*fdct248)(int16_t *block/* align 16*/); |
|
|
|
/* IDCT really*/ |
|
void (*idct)(int16_t *block/* align 16*/); |
|
|
|
/** |
|
* block -> idct -> clip to unsigned 8 bit -> dest. |
|
* (-1392, 0, 0, ...) -> idct -> (-174, -174, ...) -> put -> (0, 0, ...) |
|
* @param line_size size in bytes of a horizontal line of dest |
|
*/ |
|
void (*idct_put)(uint8_t *dest/*align 8*/, int line_size, int16_t *block/*align 16*/); |
|
|
|
/** |
|
* block -> idct -> add dest -> clip to unsigned 8 bit -> dest. |
|
* @param line_size size in bytes of a horizontal line of dest |
|
*/ |
|
void (*idct_add)(uint8_t *dest/*align 8*/, int line_size, int16_t *block/*align 16*/); |
|
|
|
/** |
|
* idct input permutation. |
|
* several optimized IDCTs need a permutated input (relative to the normal order of the reference |
|
* IDCT) |
|
* this permutation must be performed before the idct_put/add, note, normally this can be merged |
|
* with the zigzag/alternate scan<br> |
|
* an example to avoid confusion: |
|
* - (->decode coeffs -> zigzag reorder -> dequant -> reference idct ->...) |
|
* - (x -> reference dct -> reference idct -> x) |
|
* - (x -> reference dct -> simple_mmx_perm = idct_permutation -> simple_idct_mmx -> x) |
|
* - (->decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant -> simple_idct_mmx ->...) |
|
*/ |
|
uint8_t idct_permutation[64]; |
|
int idct_permutation_type; |
|
#define FF_NO_IDCT_PERM 1 |
|
#define FF_LIBMPEG2_IDCT_PERM 2 |
|
#define FF_SIMPLE_IDCT_PERM 3 |
|
#define FF_TRANSPOSE_IDCT_PERM 4 |
|
#define FF_PARTTRANS_IDCT_PERM 5 |
|
#define FF_SSE2_IDCT_PERM 6 |
|
|
|
int (*try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale); |
|
void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale); |
|
#define BASIS_SHIFT 16 |
|
#define RECON_SHIFT 6 |
|
|
|
void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w, int h, int sides); |
|
#define EDGE_WIDTH 16 |
|
#define EDGE_TOP 1 |
|
#define EDGE_BOTTOM 2 |
|
|
|
void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
|
|
|
/** |
|
* Calculate scalar product of two vectors. |
|
* @param len length of vectors, should be multiple of 16 |
|
*/ |
|
int32_t (*scalarproduct_int16)(const int16_t *v1, const int16_t *v2/*align 16*/, int len); |
|
/* ape functions */ |
|
/** |
|
* Calculate scalar product of v1 and v2, |
|
* and v1[i] += v3[i] * mul |
|
* @param len length of vectors, should be multiple of 16 |
|
*/ |
|
int32_t (*scalarproduct_and_madd_int16)(int16_t *v1/*align 16*/, const int16_t *v2, const int16_t *v3, int len, int mul); |
|
|
|
/** |
|
* Apply symmetric window in 16-bit fixed-point. |
|
* @param output destination array |
|
* constraints: 16-byte aligned |
|
* @param input source array |
|
* constraints: 16-byte aligned |
|
* @param window window array |
|
* constraints: 16-byte aligned, at least len/2 elements |
|
* @param len full window length |
|
* constraints: multiple of ? greater than zero |
|
*/ |
|
void (*apply_window_int16)(int16_t *output, const int16_t *input, |
|
const int16_t *window, unsigned int len); |
|
|
|
/** |
|
* Clip each element in an array of int32_t to a given minimum and maximum value. |
|
* @param dst destination array |
|
* constraints: 16-byte aligned |
|
* @param src source array |
|
* constraints: 16-byte aligned |
|
* @param min minimum value |
|
* constraints: must be in the range [-(1 << 24), 1 << 24] |
|
* @param max maximum value |
|
* constraints: must be in the range [-(1 << 24), 1 << 24] |
|
* @param len number of elements in the array |
|
* constraints: multiple of 32 greater than zero |
|
*/ |
|
void (*vector_clip_int32)(int32_t *dst, const int32_t *src, int32_t min, |
|
int32_t max, unsigned int len); |
|
|
|
op_fill_func fill_block_tab[2]; |
|
} DSPContext; |
|
|
|
void ff_dsputil_static_init(void); |
|
void ff_dsputil_init(DSPContext* p, AVCodecContext *avctx); |
|
|
|
int ff_check_alignment(void); |
|
|
|
/** |
|
* permute block according to permuatation. |
|
* @param last last non zero element in scantable order |
|
*/ |
|
void ff_block_permute(int16_t *block, uint8_t *permutation, const uint8_t *scantable, int last); |
|
|
|
void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type); |
|
|
|
#define BYTE_VEC32(c) ((c)*0x01010101UL) |
|
#define BYTE_VEC64(c) ((c)*0x0001000100010001UL) |
|
|
|
static inline uint32_t rnd_avg32(uint32_t a, uint32_t b) |
|
{ |
|
return (a | b) - (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); |
|
} |
|
|
|
static inline uint32_t no_rnd_avg32(uint32_t a, uint32_t b) |
|
{ |
|
return (a & b) + (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); |
|
} |
|
|
|
static inline uint64_t rnd_avg64(uint64_t a, uint64_t b) |
|
{ |
|
return (a | b) - (((a ^ b) & ~BYTE_VEC64(0x01)) >> 1); |
|
} |
|
|
|
static inline uint64_t no_rnd_avg64(uint64_t a, uint64_t b) |
|
{ |
|
return (a & b) + (((a ^ b) & ~BYTE_VEC64(0x01)) >> 1); |
|
} |
|
|
|
static inline int get_penalty_factor(int lambda, int lambda2, int type){ |
|
switch(type&0xFF){ |
|
default: |
|
case FF_CMP_SAD: |
|
return lambda>>FF_LAMBDA_SHIFT; |
|
case FF_CMP_DCT: |
|
return (3*lambda)>>(FF_LAMBDA_SHIFT+1); |
|
case FF_CMP_SATD: |
|
case FF_CMP_DCT264: |
|
return (2*lambda)>>FF_LAMBDA_SHIFT; |
|
case FF_CMP_RD: |
|
case FF_CMP_PSNR: |
|
case FF_CMP_SSE: |
|
case FF_CMP_NSSE: |
|
return lambda2>>FF_LAMBDA_SHIFT; |
|
case FF_CMP_BIT: |
|
return 1; |
|
} |
|
} |
|
|
|
void ff_dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx); |
|
void ff_dsputil_init_arm(DSPContext* c, AVCodecContext *avctx); |
|
void ff_dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx); |
|
void ff_dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx); |
|
void ff_dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx); |
|
void ff_dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx); |
|
void ff_dsputil_init_vis(DSPContext* c, AVCodecContext *avctx); |
|
|
|
#if (ARCH_ARM && HAVE_NEON) || ARCH_PPC || HAVE_MMX |
|
# define STRIDE_ALIGN 16 |
|
#else |
|
# define STRIDE_ALIGN 8 |
|
#endif |
|
|
|
// Some broken preprocessors need a second expansion |
|
// to be forced to tokenize __VA_ARGS__ |
|
#define E(x) x |
|
|
|
#define LOCAL_ALIGNED_A(a, t, v, s, o, ...) \ |
|
uint8_t la_##v[sizeof(t s o) + (a)]; \ |
|
t (*v) o = (void *)FFALIGN((uintptr_t)la_##v, a) |
|
|
|
#define LOCAL_ALIGNED_D(a, t, v, s, o, ...) \ |
|
DECLARE_ALIGNED(a, t, la_##v) s o; \ |
|
t (*v) o = la_##v |
|
|
|
#define LOCAL_ALIGNED(a, t, v, ...) E(LOCAL_ALIGNED_A(a, t, v, __VA_ARGS__,,)) |
|
|
|
#if HAVE_LOCAL_ALIGNED_8 |
|
# define LOCAL_ALIGNED_8(t, v, ...) E(LOCAL_ALIGNED_D(8, t, v, __VA_ARGS__,,)) |
|
#else |
|
# define LOCAL_ALIGNED_8(t, v, ...) LOCAL_ALIGNED(8, t, v, __VA_ARGS__) |
|
#endif |
|
|
|
#if HAVE_LOCAL_ALIGNED_16 |
|
# define LOCAL_ALIGNED_16(t, v, ...) E(LOCAL_ALIGNED_D(16, t, v, __VA_ARGS__,,)) |
|
#else |
|
# define LOCAL_ALIGNED_16(t, v, ...) LOCAL_ALIGNED(16, t, v, __VA_ARGS__) |
|
#endif |
|
|
|
#define WRAPPER8_16_SQ(name8, name16)\ |
|
static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\ |
|
int score=0;\ |
|
score +=name8(s, dst , src , stride, 8);\ |
|
score +=name8(s, dst+8 , src+8 , stride, 8);\ |
|
if(h==16){\ |
|
dst += 8*stride;\ |
|
src += 8*stride;\ |
|
score +=name8(s, dst , src , stride, 8);\ |
|
score +=name8(s, dst+8 , src+8 , stride, 8);\ |
|
}\ |
|
return score;\ |
|
} |
|
|
|
|
|
static inline void copy_block2(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
|
{ |
|
int i; |
|
for(i=0; i<h; i++) |
|
{ |
|
AV_COPY16U(dst, src); |
|
dst+=dstStride; |
|
src+=srcStride; |
|
} |
|
} |
|
|
|
static inline void copy_block4(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
|
{ |
|
int i; |
|
for(i=0; i<h; i++) |
|
{ |
|
AV_COPY32U(dst, src); |
|
dst+=dstStride; |
|
src+=srcStride; |
|
} |
|
} |
|
|
|
static inline void copy_block8(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
|
{ |
|
int i; |
|
for(i=0; i<h; i++) |
|
{ |
|
AV_COPY64U(dst, src); |
|
dst+=dstStride; |
|
src+=srcStride; |
|
} |
|
} |
|
|
|
static inline void copy_block9(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
|
{ |
|
int i; |
|
for(i=0; i<h; i++) |
|
{ |
|
AV_COPY64U(dst, src); |
|
dst[8]= src[8]; |
|
dst+=dstStride; |
|
src+=srcStride; |
|
} |
|
} |
|
|
|
static inline void copy_block16(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
|
{ |
|
int i; |
|
for(i=0; i<h; i++) |
|
{ |
|
AV_COPY128U(dst, src); |
|
dst+=dstStride; |
|
src+=srcStride; |
|
} |
|
} |
|
|
|
static inline void copy_block17(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
|
{ |
|
int i; |
|
for(i=0; i<h; i++) |
|
{ |
|
AV_COPY128U(dst, src); |
|
dst[16]= src[16]; |
|
dst+=dstStride; |
|
src+=srcStride; |
|
} |
|
} |
|
|
|
#endif /* AVCODEC_DSPUTIL_H */
|
|
|