/usr/include/pdp/pdp_mmx.h is in pd-pdp 1:0.14.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Pure Data Packet. Header file for mmx routines.
* Copyright (c) by Tom Schouten <tom@zwizwa.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef PDP_MMX_H
#define PDP_MMX_H
#ifdef __cplusplus
extern "C"
{
#endif
/****************************** 16 bit signed (pixel) routines ***************************************/
/* pack: gain is 8.8 fixed point */
void pixel_pack_s16u8_y(short int *input_pixels,
unsigned char *output_pixels,
int nb_pixels_div_8);
void pixel_pack_s16u8_uv(short int *input_pixels,
unsigned char *output_pixels,
int nb_pixels_div_8);
/* unpack: gain is not used -> full scale unpack */
void pixel_unpack_u8s16_y(unsigned char *input_pixels,
short int *output_pixels,
int nb_pixels_div_8);
void pixel_unpack_u8s16_uv(unsigned char *input_pixels,
short int *output_pixels,
int nb_pixels_div_8);
/* gain */
/* gain = integer */
/* shift is down shift count */
void pixel_gain_s16(short int *image,
int nb_4pixel_vectors,
short int gain[4],
unsigned long long *shift);
/* mix: left = gain_left * left + gain_right * right / gains are s.15 fixed point */
void pixel_mix_s16(short int *left,
short int *right,
int nb_4pixel_vectors,
short int gain_left[4],
short int gain_right[4]);
void pixel_randmix_s16(short int *left,
short int *right,
int nb_4pixel_vectors,
short int random_seed[4],
short int threshold[4]);
void pixel_rand_s16(short int *image,
int nb_4pixel_vectors,
short int random_seed[4]);
void pixel_add_s16(short int *left,
short int *right,
int nb_4pixel_vectors);
void pixel_mul_s16(short int *left,
short int *right,
int nb_4pixel_vectors);
/* affine transfo */
void pixel_affine_s16(short int *buf,
int nb_4pixel_vectors,
short int gain[4],
short int offset[4]);
/* conv */
void pixel_conv_hor_s16(short int *pixel_array,
int nb_4_pixel_vectors,
short int border[4],
short int mask[12]);
void pixel_conv_ver_s16(short int *pixel_array,
int nb_4_pixel_vectors,
int row_byte_size,
short int border[4],
short int mask[12]);
/* biquad */
void pixel_biquad_vertb_s16(short int *pixel_array,
int nb_4x4_pixblocks,
int linewidth,
short int coef[20],
short int state[8]);
void pixel_biquad_verbt_s16(short int *pixel_array,
int nb_4x4_pixblocks,
int linewidth,
short int coef[20],
short int state[8]);
void pixel_biquad_horlr_s16(short int *pixel_array,
int nb_4x4_pixblocks,
int linewidth,
short int coef[20],
short int state[8]);
void pixel_biquad_horrl_s16(short int *pixel_array,
int nb_4x4_pixblocks,
int linewidth,
short int coef[20],
short int state[8]);
void pixel_biquad_time_s16(short int *pixel_array,
short int *state_array1,
short int *state_array2,
short int *coefs,
int nb_4_pix_vectors);
/********************************** PLANAR COLOUR OPERATIONS ***************************************/
/* color rotation for 3 colour planes */
void pixel_crot3d_s16(short int *pixel_array,
int nb_4pixel_vectors_per_plane,
short int *row_encoded_vector_matrix);
/* color rotation for 2 colour planes */
void pixel_crot2d_s16(short int *pixel_array,
int nb_4pixel_vectors_per_plane,
short int *row_encoded_vector_matrix);
/********************************** RESAMPLE OPERATIONS *******************************************/
// affine transformation (called linear map, but that's flou terminology)
void pixel_resample_linmap_s16(void *x);
/********************************** POLYNOMIAL OPERATIONS *****************************************/
// chebychev polynomial
void pixel_cheby_s16_3plus(short int *buf, int nb_8pixel_vectors, int orderplusone, short int *coefs);
#ifdef __cplusplus
}
#endif
#endif //PDP_MMX_H
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