diff options
Diffstat (limited to 'libs/libsndfile/src/G72x/g72x_test.c')
| -rw-r--r-- | libs/libsndfile/src/G72x/g72x_test.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/libs/libsndfile/src/G72x/g72x_test.c b/libs/libsndfile/src/G72x/g72x_test.c deleted file mode 100644 index caf58467b7..0000000000 --- a/libs/libsndfile/src/G72x/g72x_test.c +++ /dev/null @@ -1,222 +0,0 @@ -/* -** Copyright (C) 1999-2004 Erik de Castro Lopo <erikd@mega-nerd.com> -** -** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -*/ - -#include <stdio.h> -#include <unistd.h> -#include <stdlib.h> -#include <string.h> -#include <math.h> - -#include "g72x.h" -#include "g72x_priv.h" - -#ifndef M_PI -#define M_PI 3.14159265358979323846264338 -#endif - -#define BUFFER_SIZE (1<<14) /* Should be (1<<14) */ -#define SAMPLE_RATE 11025 - - -static void g721_test (void) ; -static void g723_test (double margin) ; - -static void gen_signal_double (double *data, double scale, int datalen) ; -static int error_function (double data, double orig, double margin) ; - -static int oct_save_short (short *a, short *b, int len) ; - -int -main (int argc, char *argv []) -{ int bDoAll = 0 ; - int nTests = 0 ; - - if (argc != 2) - { printf ("Usage : %s <test>\n", argv [0]) ; - printf (" Where <test> is one of the following:\n") ; - printf (" g721 - test G721 encoder and decoder\n") ; - printf (" g723 - test G721 encoder and decoder\n") ; - printf (" all - perform all tests\n") ; - exit (1) ; - } ; - - bDoAll=!strcmp (argv [1], "all"); - - if (bDoAll || ! strcmp (argv [1], "g721")) - { g721_test () ; - nTests++ ; - } ; - - if (bDoAll || ! strcmp (argv [1], "g723")) - { g723_test (0.53) ; - nTests++ ; - } ; - - if (nTests == 0) - { printf ("Mono : ************************************\n") ; - printf ("Mono : * No '%s' test defined.\n", argv [1]) ; - printf ("Mono : ************************************\n") ; - return 1 ; - } ; - - return 0 ; -} /* main */ - -static void -g721_test (void) -{ - return ; -} /* g721_test */ - -static void -g723_test (double margin) -{ static double orig_buffer [BUFFER_SIZE] ; - static short orig [BUFFER_SIZE] ; - static short data [BUFFER_SIZE] ; - - G72x_STATE encoder_state, decoder_state ; - - long k ; - int code, position, max_err ; - - private_init_state (&encoder_state) ; - encoder_state.encoder = g723_24_encoder ; - encoder_state.codec_bits = 3 ; - - private_init_state (&decoder_state) ; - decoder_state.decoder = g723_24_decoder ; - decoder_state.codec_bits = 3 ; - - memset (data, 0, BUFFER_SIZE * sizeof (short)) ; - memset (orig, 0, BUFFER_SIZE * sizeof (short)) ; - - printf (" g723_test : ") ; - fflush (stdout) ; - - gen_signal_double (orig_buffer, 32000.0, BUFFER_SIZE) ; - for (k = 0 ; k < BUFFER_SIZE ; k++) - orig [k] = (short) orig_buffer [k] ; - - /* Write and read data here. */ - position = 0 ; - max_err = 0 ; - for (k = 0 ; k < BUFFER_SIZE ; k++) - { code = encoder_state.encoder (orig [k], &encoder_state) ; - data [k] = decoder_state.decoder (code, &decoder_state) ; - if (abs (orig [k] - data [k]) > max_err) - { position = k ; - max_err = abs (orig [k] - data [k]) ; - } ; - } ; - - printf ("\n\nMax error of %d at postion %d.\n", max_err, position) ; - - for (k = 0 ; k < BUFFER_SIZE ; k++) - { if (error_function (data [k], orig [k], margin)) - { printf ("Line %d: Incorrect sample A (#%ld : %d should be %d).\n", __LINE__, k, data [k], orig [k]) ; - oct_save_short (orig, data, BUFFER_SIZE) ; - exit (1) ; - } ; - } ; - - - printf ("ok\n") ; - - return ; -} /* g723_test */ - - -#define SIGNAL_MAXVAL 30000.0 -#define DECAY_COUNT 1000 - -static void -gen_signal_double (double *gendata, double scale, int gendatalen) -{ int k, ramplen ; - double amp = 0.0 ; - - ramplen = DECAY_COUNT ; - - for (k = 0 ; k < gendatalen ; k++) - { if (k <= ramplen) - amp = scale * k / ((double) ramplen) ; - else if (k > gendatalen - ramplen) - amp = scale * (gendatalen - k) / ((double) ramplen) ; - - gendata [k] = amp * (0.4 * sin (33.3 * 2.0 * M_PI * ((double) (k+1)) / ((double) SAMPLE_RATE)) - + 0.3 * cos (201.1 * 2.0 * M_PI * ((double) (k+1)) / ((double) SAMPLE_RATE))) ; - } ; - - return ; -} /* gen_signal_double */ - -static int -error_function (double data, double orig, double margin) -{ double error ; - - if (fabs (orig) <= 500.0) - error = fabs (fabs (data) - fabs(orig)) / 2000.0 ; - else if (fabs (orig) <= 1000.0) - error = fabs (data - orig) / 3000.0 ; - else - error = fabs (data - orig) / fabs (orig) ; - - if (error > margin) - { printf ("\n\n*******************\nError : %f\n", error) ; - return 1 ; - } ; - return 0 ; -} /* error_function */ - -static int -oct_save_short (short *a, short *b, int len) -{ FILE *file ; - int k ; - - if (! (file = fopen ("error.dat", "w"))) - return 1 ; - - fprintf (file, "# Not created by Octave\n") ; - - fprintf (file, "# name: a\n") ; - fprintf (file, "# type: matrix\n") ; - fprintf (file, "# rows: %d\n", len) ; - fprintf (file, "# columns: 1\n") ; - - for (k = 0 ; k < len ; k++) - fprintf (file, "% d\n", a [k]) ; - - fprintf (file, "# name: b\n") ; - fprintf (file, "# type: matrix\n") ; - fprintf (file, "# rows: %d\n", len) ; - fprintf (file, "# columns: 1\n") ; - - for (k = 0 ; k < len ; k++) - fprintf (file, "% d\n", b [k]) ; - - fclose (file) ; - return 0 ; -} /* oct_save_short */ - -/* -** Do not edit or modify anything in this comment block. -** The arch-tag line is a file identity tag for the GNU Arch -** revision control system. -** -** arch-tag: 0597b442-a5b0-4abf-92a4-92f6c24e85a6 -*/ - |