dsputil.h
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上传日期:2022-06-04
资源大小:8887k
文件大小:29k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual 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 dsputil.h
- * 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 FFMPEG_DSPUTIL_H
- #define FFMPEG_DSPUTIL_H
- #include "avcodec.h"
- //#define DEBUG
- /* dct code */
- typedef short DCTELEM;
- typedef int DWTELEM;
- typedef short IDWTELEM;
- #define AV_RN16(a) (*((const uint16_t*)(a)))
- #define AV_RN32(a) (*((const uint32_t*)(a)))
- #define AV_RN64(a) (*((const uint64_t*)(a)))
- #define AV_WN16(a, b) *((uint16_t*)(a)) = (b)
- #define AV_WN32(a, b) *((uint32_t*)(a)) = (b)
- #define AV_WN64(a, b) *((uint64_t*)(a)) = (b)
- void fdct_ifast (DCTELEM *data);
- void fdct_ifast248 (DCTELEM *data);
- void ff_jpeg_fdct_islow (DCTELEM *data);
- void ff_fdct248_islow (DCTELEM *data);
- void j_rev_dct (DCTELEM *data);
- void j_rev_dct4 (DCTELEM *data);
- void j_rev_dct2 (DCTELEM *data);
- void j_rev_dct1 (DCTELEM *data);
- void ff_wmv2_idct_c(DCTELEM *data);
- void ff_fdct_mmx(DCTELEM *block);
- void ff_fdct_mmx2(DCTELEM *block);
- void ff_fdct_sse2(DCTELEM *block);
- void ff_h264_idct8_add_c(uint8_t *dst, DCTELEM *block, int stride);
- void ff_h264_idct_add_c(uint8_t *dst, DCTELEM *block, int stride);
- void ff_h264_idct8_dc_add_c(uint8_t *dst, DCTELEM *block, int stride);
- void ff_h264_idct_dc_add_c(uint8_t *dst, DCTELEM *block, int stride);
- void ff_h264_lowres_idct_add_c(uint8_t *dst, int stride, DCTELEM *block);
- void ff_h264_lowres_idct_put_c(uint8_t *dst, int stride, DCTELEM *block);
- void ff_vector_fmul_add_add_c(float *dst, const float *src0, const float *src1,
- const float *src2, int src3, int blocksize, int step);
- void ff_float_to_int16_c(int16_t *dst, const float *src, int len);
- /* 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];
- /* VP3 DSP functions */
- void ff_vp3_idct_c(DCTELEM *block/* align 16*/);
- void ff_vp3_idct_put_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
- void ff_vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
- /* 1/2^n downscaling functions from imgconvert.c */
- void ff_img_copy_plane(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
- 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 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
- */
- /*
- void get_pixels_c(DCTELEM *block, const uint8_t *pixels, int line_size);
- void diff_pixels_c(DCTELEM *block, const uint8_t *s1, const uint8_t *s2, int stride);
- void put_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size);
- void add_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size);
- void clear_blocks_c(DCTELEM *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 then 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 (*h264_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int offset);
- typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset);
- #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 then 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))*/;
- // for snow slices
- typedef struct slice_buffer_s slice_buffer;
- /**
- * Scantable.
- */
- typedef struct ScanTable{
- const uint8_t *scantable;
- uint8_t permutated[64];
- uint8_t raster_end[64];
- #ifdef ARCH_POWERPC
- /** Used by dct_quantize_altivec to find last-non-zero */
- DECLARE_ALIGNED(16, uint8_t, inverse[64]);
- #endif
- } ScanTable;
- void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
- void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize,
- int block_w, int block_h,
- int src_x, int src_y, int w, int h);
- /**
- * DSPContext.
- */
- typedef struct DSPContext {
- /* pixel ops : interface with DCT */
- void (*get_pixels)(DCTELEM *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size);
- void (*diff_pixels)(DCTELEM *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride);
- void (*put_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
- void (*put_signed_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
- void (*add_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
- void (*add_pixels8)(uint8_t *pixels, DCTELEM *block, int line_size);
- void (*add_pixels4)(uint8_t *pixels, DCTELEM *block, int line_size);
- int (*sum_abs_dctelem)(DCTELEM *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_blocks)(DCTELEM *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[5]; /* identical to pix_absAxA except additional void * */
- me_cmp_func sse[5];
- me_cmp_func hadamard8_diff[5];
- me_cmp_func dct_sad[5];
- me_cmp_func quant_psnr[5];
- me_cmp_func bit[5];
- me_cmp_func rd[5];
- me_cmp_func vsad[5];
- me_cmp_func vsse[5];
- me_cmp_func nsse[5];
- me_cmp_func w53[5];
- me_cmp_func w97[5];
- me_cmp_func dct_max[5];
- me_cmp_func dct264_sad[5];
- me_cmp_func me_pre_cmp[5];
- me_cmp_func me_cmp[5];
- me_cmp_func me_sub_cmp[5];
- me_cmp_func mb_cmp[5];
- me_cmp_func ildct_cmp[5]; //only width 16 used
- me_cmp_func frame_skip_cmp[5]; //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[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 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[4][4];
- void (*put_no_rnd_pixels_l2[2])(uint8_t *block/*align width (8 or 16)*/, const uint8_t *a/*align 1*/, const uint8_t *b/*align 1*/, int line_size, int h);
- /**
- * 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 avg_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];
- /* This is really one func used in VC-1 decoding */
- h264_chroma_mc_func put_no_rnd_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[4][16];
- qpel_mc_func put_2tap_qpel_pixels_tab[4][16];
- qpel_mc_func avg_2tap_qpel_pixels_tab[4][16];
- h264_weight_func weight_h264_pixels_tab[10];
- h264_biweight_func biweight_h264_pixels_tab[10];
- /* AVS specific */
- qpel_mc_func put_cavs_qpel_pixels_tab[2][16];
- qpel_mc_func avg_cavs_qpel_pixels_tab[2][16];
- void (*cavs_filter_lv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
- void (*cavs_filter_lh)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
- void (*cavs_filter_cv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
- void (*cavs_filter_ch)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
- void (*cavs_idct8_add)(uint8_t *dst, DCTELEM *block, int stride);
- 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 (*add_bytes_l2)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*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, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top);
- /* this might write to dst[w] */
- void (*add_png_paeth_prediction)(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp);
- void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w);
- void (*h264_v_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
- void (*h264_h_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
- void (*h264_v_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
- void (*h264_h_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
- void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix, int stride, int alpha, int beta);
- void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix, int stride, int alpha, int beta);
- // h264_loop_filter_strength: simd only. the C version is inlined in h264.c
- void (*h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40], int8_t ref[2][40], int16_t mv[2][40][2],
- int bidir, int edges, int step, int mask_mv0, int mask_mv1);
- 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);
- void (*x8_v_loop_filter)(uint8_t *src, int stride, int qscale);
- void (*x8_h_loop_filter)(uint8_t *src, int stride, int qscale);
- /* assume len is a multiple of 4, and arrays are 16-byte aligned */
- void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize);
- /* no alignment needed */
- void (*flac_compute_autocorr)(const int32_t *data, int len, int lag, double *autoc);
- /* assume len is a multiple of 8, and arrays are 16-byte aligned */
- void (*vector_fmul)(float *dst, const float *src, int len);
- void (*vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len);
- /* assume len is a multiple of 8, and src arrays are 16-byte aligned */
- void (*vector_fmul_add_add)(float *dst, const float *src0, const float *src1, const float *src2, int src3, int len, int step);
- /* C version: convert floats from the range [384.0,386.0] to ints in [-32768,32767]
- * simd versions: convert floats from [-32768.0,32767.0] without rescaling and arrays are 16byte aligned */
- void (*float_to_int16)(int16_t *dst, const float *src, int len);
- /* (I)DCT */
- void (*fdct)(DCTELEM *block/* align 16*/);
- void (*fdct248)(DCTELEM *block/* align 16*/);
- /* IDCT really*/
- void (*idct)(DCTELEM *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, DCTELEM *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, DCTELEM *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 -> referece dct -> reference idct -> x)
- * - (x -> referece 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);
- #define EDGE_WIDTH 16
- /* h264 functions */
- void (*h264_idct_add)(uint8_t *dst, DCTELEM *block, int stride);
- void (*h264_idct8_add)(uint8_t *dst, DCTELEM *block, int stride);
- void (*h264_idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
- void (*h264_idct8_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
- void (*h264_dct)(DCTELEM block[4][4]);
- /* snow wavelet */
- void (*vertical_compose97i)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width);
- void (*horizontal_compose97i)(IDWTELEM *b, int width);
- void (*inner_add_yblock)(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8);
- void (*prefetch)(void *mem, int stride, int h);
- void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
- /* vc1 functions */
- void (*vc1_inv_trans_8x8)(DCTELEM *b);
- void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
- void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
- void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
- void (*vc1_v_overlap)(uint8_t* src, int stride);
- void (*vc1_h_overlap)(uint8_t* src, int stride);
- /* put 8x8 block with bicubic interpolation and quarterpel precision
- * last argument is actually round value instead of height
- */
- op_pixels_func put_vc1_mspel_pixels_tab[16];
- /* intrax8 functions */
- void (*x8_spatial_compensation[12])(uint8_t *src , uint8_t *dst, int linesize);
- void (*x8_setup_spatial_compensation)(uint8_t *src, uint8_t *dst, int linesize,
- int * range, int * sum, int edges);
- } DSPContext;
- void dsputil_static_init(void);
- void 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(DCTELEM *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)
- 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 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_W53:
- return (4*lambda)>>(FF_LAMBDA_SHIFT);
- case FF_CMP_W97:
- return (2*lambda)>>(FF_LAMBDA_SHIFT);
- 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;
- }
- }
- /**
- * Empty mmx state.
- * this must be called between any dsp function and float/double code.
- * for example sin(); dsp->idct_put(); emms_c(); cos()
- */
- #define emms_c()
- /* should be defined by architectures supporting
- one or more MultiMedia extension */
- int mm_support(void);
- void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx);
- void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx);
- void dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx);
- void dsputil_init_mlib(DSPContext* c, AVCodecContext *avctx);
- void dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx);
- void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx);
- void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx);
- void dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx);
- void dsputil_init_vis(DSPContext* c, AVCodecContext *avctx);
- #define DECLARE_ALIGNED_16(t, v) DECLARE_ALIGNED(16, t, v)
- #if defined(HAVE_MMX)
- #undef emms_c
- #define MM_MMX 0x0001 /* standard MMX */
- #define MM_3DNOW 0x0004 /* AMD 3DNOW */
- #define MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */
- #define MM_SSE 0x0008 /* SSE functions */
- #define MM_SSE2 0x0010 /* PIV SSE2 functions */
- #define MM_3DNOWEXT 0x0020 /* AMD 3DNowExt */
- #define MM_SSE3 0x0040 /* Prescott SSE3 functions */
- #define MM_SSSE3 0x0080 /* Conroe SSSE3 functions */
- extern int mm_flags;
- void add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
- void put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
- void put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
- static inline void emms(void)
- {
- asm volatile ("emms;":::"memory");
- }
- #define emms_c()
- {
- if (mm_flags & MM_MMX)
- emms();
- }
- void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx);
- #elif defined(ARCH_ARMV4L)
- #define MM_IWMMXT 0x0100 /* XScale IWMMXT */
- extern int mm_flags;
- #elif defined(ARCH_POWERPC)
- #define MM_ALTIVEC 0x0001 /* standard AltiVec */
- extern int mm_flags;
- #define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(16, t, v)
- #define STRIDE_ALIGN 16
- #elif defined(HAVE_MMI)
- #define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(16, t, v)
- #define STRIDE_ALIGN 16
- #endif
- #ifndef DECLARE_ALIGNED_8
- # define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(8, t, v)
- #endif
- #ifndef STRIDE_ALIGN
- # define STRIDE_ALIGN 8
- #endif
- /* PSNR */
- void get_psnr(uint8_t *orig_image[3], uint8_t *coded_image[3],
- int orig_linesize[3], int coded_linesize,
- AVCodecContext *avctx);
- /* FFT computation */
- /* NOTE: soon integer code will be added, so you must use the
- FFTSample type */
- typedef float FFTSample;
- struct MDCTContext;
- typedef struct FFTComplex {
- FFTSample re, im;
- } FFTComplex;
- typedef struct FFTContext {
- int nbits;
- int inverse;
- uint16_t *revtab;
- FFTComplex *exptab;
- FFTComplex *exptab1; /* only used by SSE code */
- void (*fft_calc)(struct FFTContext *s, FFTComplex *z);
- void (*imdct_calc)(struct MDCTContext *s, FFTSample *output,
- const FFTSample *input, FFTSample *tmp);
- } FFTContext;
- int ff_fft_init(FFTContext *s, int nbits, int inverse);
- void ff_fft_permute(FFTContext *s, FFTComplex *z);
- void ff_fft_calc_c(FFTContext *s, FFTComplex *z);
- void ff_fft_calc_sse(FFTContext *s, FFTComplex *z);
- void ff_fft_calc_3dn(FFTContext *s, FFTComplex *z);
- void ff_fft_calc_3dn2(FFTContext *s, FFTComplex *z);
- void ff_fft_calc_altivec(FFTContext *s, FFTComplex *z);
- static inline void ff_fft_calc(FFTContext *s, FFTComplex *z)
- {
- s->fft_calc(s, z);
- }
- void ff_fft_end(FFTContext *s);
- /* MDCT computation */
- typedef struct MDCTContext {
- int n; /* size of MDCT (i.e. number of input data * 2) */
- int nbits; /* n = 2^nbits */
- /* pre/post rotation tables */
- FFTSample *tcos;
- FFTSample *tsin;
- FFTContext fft;
- } MDCTContext;
- /**
- * Generate a Kaiser-Bessel Derived Window.
- * @param window pointer to half window
- * @param alpha determines window shape
- * @param n size of half window
- */
- void ff_kbd_window_init(float *window, float alpha, int n);
- int ff_mdct_init(MDCTContext *s, int nbits, int inverse);
- void ff_imdct_calc(MDCTContext *s, FFTSample *output,
- const FFTSample *input, FFTSample *tmp);
- void ff_imdct_calc_3dn2(MDCTContext *s, FFTSample *output,
- const FFTSample *input, FFTSample *tmp);
- void ff_imdct_calc_sse(MDCTContext *s, FFTSample *output,
- const FFTSample *input, FFTSample *tmp);
- void ff_mdct_calc(MDCTContext *s, FFTSample *out,
- const FFTSample *input, FFTSample *tmp);
- void ff_mdct_end(MDCTContext *s);
- #define WRAPPER8_16(name8, name16)
- static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){
- return name8(s, dst , src , stride, h)
- +name8(s, dst+8 , src+8 , stride, h);
- }
- #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, uint8_t *src, int dstStride, int srcStride, int h)
- {
- int i;
- for(i=0; i<h; i++)
- {
- AV_WN16(dst , AV_RN16(src ));
- dst+=dstStride;
- src+=srcStride;
- }
- }
- static inline void copy_block4(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
- {
- int i;
- for(i=0; i<h; i++)
- {
- AV_WN32(dst , AV_RN32(src ));
- dst+=dstStride;
- src+=srcStride;
- }
- }
- static inline void copy_block8(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
- {
- int i;
- for(i=0; i<h; i++)
- {
- AV_WN32(dst , AV_RN32(src ));
- AV_WN32(dst+4 , AV_RN32(src+4 ));
- dst+=dstStride;
- src+=srcStride;
- }
- }
- static inline void copy_block9(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
- {
- int i;
- for(i=0; i<h; i++)
- {
- AV_WN32(dst , AV_RN32(src ));
- AV_WN32(dst+4 , AV_RN32(src+4 ));
- dst[8]= src[8];
- dst+=dstStride;
- src+=srcStride;
- }
- }
- static inline void copy_block16(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
- {
- int i;
- for(i=0; i<h; i++)
- {
- AV_WN32(dst , AV_RN32(src ));
- AV_WN32(dst+4 , AV_RN32(src+4 ));
- AV_WN32(dst+8 , AV_RN32(src+8 ));
- AV_WN32(dst+12, AV_RN32(src+12));
- dst+=dstStride;
- src+=srcStride;
- }
- }
- static inline void copy_block17(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
- {
- int i;
- for(i=0; i<h; i++)
- {
- AV_WN32(dst , AV_RN32(src ));
- AV_WN32(dst+4 , AV_RN32(src+4 ));
- AV_WN32(dst+8 , AV_RN32(src+8 ));
- AV_WN32(dst+12, AV_RN32(src+12));
- dst[16]= src[16];
- dst+=dstStride;
- src+=srcStride;
- }
- }
- #endif /* FFMPEG_DSPUTIL_H */