/* * DSP utils * Copyright (c) 2000, 2001, 2002 Fabrice Bellard * Copyright (c) 2002-2004 Michael Niedermayer * * 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 "libavutil/intreadwrite.h" #include "avcodec.h" //#define DEBUG /* dct code */ typedef short DCTELEM; void ff_fdct_ifast (DCTELEM *data); void ff_fdct_ifast248 (DCTELEM *data); void ff_jpeg_fdct_islow_8(DCTELEM *data); void ff_jpeg_fdct_islow_10(DCTELEM *data); void ff_fdct248_islow_8(DCTELEM *data); void ff_fdct248_islow_10(DCTELEM *data); void ff_j_rev_dct (DCTELEM *data); void ff_j_rev_dct4 (DCTELEM *data); void ff_j_rev_dct2 (DCTELEM *data); void ff_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); #define H264_IDCT(depth) \ void ff_h264_idct8_add_ ## depth ## _c(uint8_t *dst, DCTELEM *block, int stride);\ void ff_h264_idct_add_ ## depth ## _c(uint8_t *dst, DCTELEM *block, int stride);\ void ff_h264_idct8_dc_add_ ## depth ## _c(uint8_t *dst, DCTELEM *block, int stride);\ void ff_h264_idct_dc_add_ ## depth ## _c(uint8_t *dst, DCTELEM *block, int stride);\ void ff_h264_idct_add16_ ## depth ## _c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);\ void ff_h264_idct_add16intra_ ## depth ## _c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);\ void ff_h264_idct8_add4_ ## depth ## _c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);\ void ff_h264_idct_add8_422_ ## depth ## _c(uint8_t **dest, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);\ void ff_h264_idct_add8_ ## depth ## _c(uint8_t **dest, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);\ void ff_h264_luma_dc_dequant_idct_ ## depth ## _c(DCTELEM *output, DCTELEM *input, int qmul);\ void ff_h264_chroma422_dc_dequant_idct_ ## depth ## _c(DCTELEM *block, int qmul);\ void ff_h264_chroma_dc_dequant_idct_ ## depth ## _c(DCTELEM *block, int qmul); H264_IDCT( 8) H264_IDCT( 9) H264_IDCT(10) H264_IDCT(12) H264_IDCT(14) void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp); void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *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) PUTAVG_PIXELS(12) PUTAVG_PIXELS(14) #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 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 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); #define EMULATED_EDGE(depth) \ void ff_emulated_edge_mc_ ## depth (uint8_t *buf, const uint8_t *src, int linesize,\ int block_w, int block_h,\ int src_x, int src_y, int w, int h); EMULATED_EDGE(8) EMULATED_EDGE(9) EMULATED_EDGE(10) EMULATED_EDGE(12) EMULATED_EDGE(14) /** * DSPContext. */ typedef struct DSPContext { /** * Size of DCT coefficients. */ int dct_bits; /* 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*/); /** * Motion estimation with emulated edge values. * @param buf pointer to destination buffer (unaligned) * @param src pointer to pixel source (unaligned) * @param linesize width (in pixels) for src/buf * @param block_w number of pixels (per row) to copy to buf * @param block_h nummber of pixel rows to copy to buf * @param src_x offset of src to start of row - this may be negative * @param src_y offset of src to top of image - this may be negative * @param w width of src in pixels * @param h height of src in pixels */ void (*emulated_edge_mc)(uint8_t *buf, const uint8_t *src, int linesize, int block_w, int block_h, int src_x, int src_y, int w, int h); /** * 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)(DCTELEM *block/*align 16*/); 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[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 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
* *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
* *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
* *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
* *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
* *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]; 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]; 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*/, const uint8_t *src1/*align 16*/, const 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); /* this might write to dst[w] */ 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); 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); void (*ac3_downmix)(float (*samples)[256], float (*matrix)[2], int out_ch, int in_ch, int len); /* assume len is a multiple of 16, and arrays are 32-byte aligned */ 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)(float *dst, const float *src0, const float *src1, const float *src2, int len); /* assume len is a multiple of 4, and arrays are 16-byte aligned */ void (*vector_fmul_window)(float *dst, const float *src0, const float *src1, const float *win, 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 */); /** * Multiply a vector of floats by a scalar float. Source and * destination vectors must overlap exactly or not at all. * @param dst result vector, 16-byte aligned * @param src input vector, 16-byte aligned * @param mul scalar value * @param len length of vector, multiple of 4 */ void (*vector_fmul_scalar)(float *dst, const float *src, float mul, int len); /** * Calculate the scalar product of two vectors of floats. * @param v1 first vector, 16-byte aligned * @param v2 second vector, 16-byte aligned * @param len length of vectors, multiple of 4 */ float (*scalarproduct_float)(const float *v1, const float *v2, int len); /** * Calculate the sum and difference of two vectors of floats. * @param v1 first input vector, sum output, 16-byte aligned * @param v2 second input vector, difference output, 16-byte aligned * @param len length of vectors, multiple of 4 */ void (*butterflies_float)(float *av_restrict v1, float *av_restrict v2, int len); /** * Calculate the sum and difference of two vectors of floats and interleave * results into a separate output vector of floats, with each sum * positioned before the corresponding difference. * * @param dst output vector * constraints: 16-byte aligned * @param src0 first input vector * constraints: 32-byte aligned * @param src1 second input vector * constraints: 32-byte aligned * @param len number of elements in the input * constraints: multiple of 8 */ void (*butterflies_float_interleave)(float *dst, const float *src0, const float *src1, 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
* 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 (*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); /* mlp/truehd functions */ void (*mlp_filter_channel)(int32_t *state, const int32_t *coeff, int firorder, int iirorder, unsigned int filter_shift, int32_t mask, int blocksize, int32_t *sample_buffer); /* 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); /** * 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); attribute_deprecated void dsputil_init(DSPContext* c, AVCodecContext *avctx); int ff_check_alignment(void); /** * Return the scalar product of two vectors. * * @param v1 first input vector * @param v2 first input vector * @param len number of elements * * @return sum of elementwise products */ float ff_scalarproduct_float_c(const float *v1, const float *v2, int len); /** * 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) #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_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; } } 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_mmi(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); void ff_dsputil_init_dwt(DSPContext *c); void ff_intrax8dsp_init(DSPContext* c, AVCodecContext *avctx); void ff_mlp_init(DSPContext* c, AVCodecContext *avctx); void ff_mlp_init_x86(DSPContext* c, AVCodecContext *avctx); #if (ARCH_ARM && HAVE_NEON) || ARCH_PPC || HAVE_MMI || HAVE_MMX # define STRIDE_ALIGN 16 #else # define STRIDE_ALIGN 8 #endif #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, v) s o #define LOCAL_ALIGNED(a, t, v, ...) LOCAL_ALIGNED_A(a, t, v, __VA_ARGS__,,) #if HAVE_LOCAL_ALIGNED_8 # define LOCAL_ALIGNED_8(t, v, ...) 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, ...) 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(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, const uint8_t *src, int dstStride, int srcStride, int h) { int i; for(i=0; i