mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 19:30:05 +00:00
98a6806fdd
* commit '368f50359eb328b0b9d67451f56fda20b3255f9a': dsputil: Split off quarterpel bits into their own context Conflicts: configure libavcodec/dsputil.c libavcodec/h263dec.c libavcodec/mpegvideo.c libavcodec/mpegvideo_enc.c libavcodec/vc1dec.c libavcodec/vc1dsp.c libavcodec/x86/dsputil_init.c libavcodec/x86/qpeldsp.asm Merged-by: Michael Niedermayer <michaelni@gmx.at>
265 lines
10 KiB
C
265 lines
10 KiB
C
/*
|
|
* DSP utils
|
|
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
|
|
* Copyright (c) 2002-2004 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.
|
|
* 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 "avcodec.h"
|
|
|
|
extern uint32_t ff_square_tab[512];
|
|
|
|
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 ffmpeg-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
|
|
*/
|
|
|
|
/* add and put pixel (decoding)
|
|
* Block sizes 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_fill_func)(uint8_t *block /* align width (8 or 16) */,
|
|
uint8_t value, int line_size, int h);
|
|
|
|
struct MpegEncContext;
|
|
/* 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)(struct MpegEncContext *c,
|
|
uint8_t *blk1 /* align width (8 or 16) */,
|
|
uint8_t *blk2 /* align 1 */, int line_size, int h);
|
|
|
|
/**
|
|
* Scantable.
|
|
*/
|
|
typedef struct ScanTable {
|
|
const uint8_t *scantable;
|
|
uint8_t permutated[64];
|
|
uint8_t raster_end[64];
|
|
} ScanTable;
|
|
|
|
void ff_init_scantable(uint8_t *permutation, ScanTable *st,
|
|
const uint8_t *src_scantable);
|
|
void ff_init_scantable_permutation(uint8_t *idct_permutation,
|
|
int idct_permutation_type);
|
|
|
|
/**
|
|
* DSPContext.
|
|
*/
|
|
typedef struct DSPContext {
|
|
/* 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);
|
|
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);
|
|
|
|
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 w53[6];
|
|
me_cmp_func w97[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
|
|
|
|
me_cmp_func pix_abs[2][4];
|
|
|
|
void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w);
|
|
void (*bswap16_buf)(uint16_t *dst, const uint16_t *src, int len);
|
|
|
|
/* 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);
|
|
|
|
/**
|
|
* 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);
|
|
void avpriv_dsputil_init(DSPContext* p, AVCodecContext *avctx);
|
|
attribute_deprecated void dsputil_init(DSPContext* c, AVCodecContext *avctx);
|
|
|
|
int ff_check_alignment(void);
|
|
|
|
void ff_set_cmp(DSPContext *c, me_cmp_func *cmp, int type);
|
|
|
|
void ff_dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx);
|
|
void ff_dsputil_init_arm(DSPContext *c, AVCodecContext *avctx,
|
|
unsigned high_bit_depth);
|
|
void ff_dsputil_init_bfin(DSPContext *c, AVCodecContext *avctx,
|
|
unsigned high_bit_depth);
|
|
void ff_dsputil_init_ppc(DSPContext *c, AVCodecContext *avctx,
|
|
unsigned high_bit_depth);
|
|
void ff_dsputil_init_x86(DSPContext *c, AVCodecContext *avctx,
|
|
unsigned high_bit_depth);
|
|
|
|
void ff_dsputil_init_dwt(DSPContext *c);
|
|
|
|
#endif /* AVCODEC_DSPUTIL_H */
|