+++ /dev/null
-/*
-** Copyright (C) 2002-2011 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 "sfconfig.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#if (HAVE_DECL_S_IRGRP == 0)
-#include <sf_unistd.h>
-#endif
-
-#include <string.h>
-#include <math.h>
-#include <time.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-
-#include <sndfile.h>
-
-#ifndef M_PI
-#define M_PI 3.14159265358979323846264338
-#endif
-
-/*
-** Neat solution to the Win32/OS2 binary file flage requirement.
-** If O_BINARY isn't already defined by the inclusion of the system
-** headers, set it to zero.
-*/
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
-#define WRITE_FLAGS (O_WRONLY | O_CREAT | O_TRUNC | O_BINARY)
-#define READ_FLAGS (O_RDONLY | O_BINARY)
-
-#if (defined (WIN32) || defined (_WIN32) || defined (__OS2__))
- #define WRITE_PERMS 0777
-#else
- #define WRITE_PERMS (S_IRUSR | S_IWUSR | S_IRGRP)
-#endif
-
-#define BUFFER_SIZE (1<<18)
-#define BLOCK_COUNT (30)
-#define TEST_DURATION (5) /* 5 Seconds. */
-
-typedef struct
-{ double write_rate ;
- double read_rate ;
-} PERF_STATS ;
-
-static void *data = NULL ;
-
-static void calc_raw_performance (PERF_STATS *stats) ;
-
-static void calc_short_performance (int format, double read_rate, double write_rate) ;
-static void calc_int_performance (int format, double read_rate, double write_rate) ;
-static void calc_float_performance (int format, double read_rate, double write_rate) ;
-
-
-static int cpu_is_big_endian (void) ;
-
-static const char* get_subtype_str (int subtype) ;
-
-int
-main (int argc, char *argv [])
-{ PERF_STATS stats ;
- char buffer [256] = "Benchmarking " ;
- int format_major ;
-
- if (! (data = malloc (BUFFER_SIZE * sizeof (double))))
- { perror ("Error : malloc failed") ;
- exit (1) ;
- } ;
-
- sf_command (NULL, SFC_GET_LIB_VERSION, buffer + strlen (buffer), sizeof (buffer) - strlen (buffer)) ;
-
- puts (buffer) ;
- memset (buffer, '-', strlen (buffer)) ;
- puts (buffer) ;
- printf ("Each test takes a little over %d seconds.\n\n", TEST_DURATION) ;
-
- calc_raw_performance (&stats) ;
-
- if (argc < 2 || strcmp ("--native-only", argv [1]) == 0)
- { puts ("\nNative endian I/O :") ;
- format_major = cpu_is_big_endian () ? SF_FORMAT_AIFF : SF_FORMAT_WAV ;
-
- calc_short_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
- calc_int_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
- calc_int_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
- calc_float_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
- calc_float_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
- calc_float_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
- calc_float_performance (format_major | SF_FORMAT_FLOAT , stats.read_rate, stats.write_rate) ;
- } ;
-
- if (argc < 2 || strcmp ("--swap-only", argv [1]) == 0)
- { puts ("\nEndian swapped I/O :") ;
- format_major = cpu_is_big_endian () ? SF_FORMAT_WAV : SF_FORMAT_AIFF ;
-
- calc_short_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
- calc_int_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
- calc_int_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
- calc_float_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
- calc_float_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
- calc_float_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
- calc_float_performance (format_major | SF_FORMAT_FLOAT , stats.read_rate, stats.write_rate) ;
- } ;
-
- puts ("") ;
-
- free (data) ;
-
- return 0 ;
-} /* main */
-
-/*==============================================================================
-*/
-
-static void
-calc_raw_performance (PERF_STATS *stats)
-{ clock_t start_clock, clock_time ;
- int fd, k, byte_count, retval, op_count ;
- const char *filename ;
-
- filename = "benchmark.dat" ;
-
- byte_count = BUFFER_SIZE * sizeof (short) ;
-
- /* Collect write stats */
- printf (" Raw write PCM_16 : ") ;
- fflush (stdout) ;
-
- clock_time = 0 ;
- op_count = 0 ;
- start_clock = clock () ;
-
- while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
- { if ((fd = open (filename, WRITE_FLAGS, WRITE_PERMS)) < 0)
- { printf ("Error : not able to open file : %s\n", filename) ;
- perror ("") ;
- exit (1) ;
- } ;
-
- for (k = 0 ; k < BLOCK_COUNT ; k++)
- { if ((retval = write (fd, data, byte_count)) != byte_count)
- { printf ("Error : write returned %d (should have been %d)\n", retval, byte_count) ;
- exit (1) ;
- } ;
- } ;
-
- close (fd) ;
-
- clock_time = clock () - start_clock ;
- op_count ++ ;
- } ;
-
- stats->write_rate = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
- stats->write_rate *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
- printf ("%10.0f samples per sec\n", stats->write_rate) ;
-
- /* Collect read stats */
- printf (" Raw read PCM_16 : ") ;
- fflush (stdout) ;
-
- clock_time = 0 ;
- op_count = 0 ;
- start_clock = clock () ;
-
- while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
- { if ((fd = open (filename, READ_FLAGS)) < 0)
- { printf ("Error : not able to open file : %s\n", filename) ;
- perror ("") ;
- exit (1) ;
- } ;
-
- for (k = 0 ; k < BLOCK_COUNT ; k++)
- { if ((retval = read (fd, data, byte_count)) != byte_count)
- { printf ("Error : write returned %d (should have been %d)\n", retval, byte_count) ;
- exit (1) ;
- } ;
- } ;
-
- close (fd) ;
-
- clock_time = clock () - start_clock ;
- op_count ++ ;
- } ;
-
- stats->read_rate = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
- stats->read_rate *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
- printf ("%10.0f samples per sec\n", stats->read_rate) ;
-
- unlink (filename) ;
-} /* calc_raw_performance */
-
-/*------------------------------------------------------------------------------
-*/
-
-static void
-calc_short_performance (int format, double read_rate, double write_rate)
-{ SNDFILE *file ;
- SF_INFO sfinfo ;
- clock_t start_clock, clock_time ;
- double performance ;
- int k, item_count, retval, op_count ;
- const char* subtype ;
- short *short_data ;
- const char *filename ;
-
- filename = "benchmark.dat" ;
- subtype = get_subtype_str (format & SF_FORMAT_SUBMASK) ;
-
- short_data = data ;
- item_count = BUFFER_SIZE ;
- for (k = 0 ; k < item_count ; k++)
- short_data [k] = 32700.0 * sin (2 * M_PI * k / 32000.0) ;
-
- /* Collect write stats */
- printf (" Write %-5s to %s : ", "short", subtype) ;
- fflush (stdout) ;
-
- sfinfo.channels = 1 ;
- sfinfo.format = format ;
- sfinfo.frames = 1 ;
- sfinfo.samplerate = 32000 ;
-
- clock_time = 0 ;
- op_count = 0 ;
- start_clock = clock () ;
-
- while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
- { if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
- { printf ("Error : not able to open file : %s\n", filename) ;
- perror ("") ;
- exit (1) ;
- } ;
-
- /* Turn off the addition of a PEAK chunk. */
- sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
-
- for (k = 0 ; k < BLOCK_COUNT ; k++)
- { if ((retval = sf_write_short (file, short_data, item_count)) != item_count)
- { printf ("Error : sf_write_short returned %d (should have been %d)\n", retval, item_count) ;
- exit (1) ;
- } ;
- } ;
-
- sf_close (file) ;
-
- clock_time = clock () - start_clock ;
- op_count ++ ;
- } ;
-
- performance = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
- performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
- printf ("%6.2f%% of raw write\n", 100.0 * performance / write_rate) ;
-
- /* Collect read stats */
- printf (" Read %-5s from %s : ", "short", subtype) ;
- fflush (stdout) ;
-
- clock_time = 0 ;
- op_count = 0 ;
- start_clock = clock () ;
-
- while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
- { if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
- { printf ("Error : not able to open file : %s\n", filename) ;
- perror ("") ;
- exit (1) ;
- } ;
-
- for (k = 0 ; k < BLOCK_COUNT ; k++)
- { if ((retval = sf_read_short (file, short_data, item_count)) != item_count)
- { printf ("Error : write returned %d (should have been %d)\n", retval, item_count) ;
- exit (1) ;
- } ;
- } ;
-
- sf_close (file) ;
-
- clock_time = clock () - start_clock ;
- op_count ++ ;
- } ;
-
- performance = (1.0 * item_count) * BLOCK_COUNT * op_count ;
- performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
- printf ("%6.2f%% of raw read\n", 100.0 * performance / read_rate) ;
-
- unlink (filename) ;
-
-} /* calc_short_performance */
-static void
-calc_int_performance (int format, double read_rate, double write_rate)
-{ SNDFILE *file ;
- SF_INFO sfinfo ;
- clock_t start_clock, clock_time ;
- double performance ;
- int k, item_count, retval, op_count ;
- const char* subtype ;
- int *int_data ;
- const char *filename ;
-
- filename = "benchmark.dat" ;
- subtype = get_subtype_str (format & SF_FORMAT_SUBMASK) ;
-
- int_data = data ;
- item_count = BUFFER_SIZE ;
- for (k = 0 ; k < item_count ; k++)
- int_data [k] = 32700.0 * (1<<16) * sin (2 * M_PI * k / 32000.0) ;
-
- /* Collect write stats */
- printf (" Write %-5s to %s : ", "int", subtype) ;
- fflush (stdout) ;
-
- sfinfo.channels = 1 ;
- sfinfo.format = format ;
- sfinfo.frames = 1 ;
- sfinfo.samplerate = 32000 ;
-
- clock_time = 0 ;
- op_count = 0 ;
- start_clock = clock () ;
-
- while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
- { if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
- { printf ("Error : not able to open file : %s\n", filename) ;
- perror ("") ;
- exit (1) ;
- } ;
-
- /* Turn off the addition of a PEAK chunk. */
- sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
-
- for (k = 0 ; k < BLOCK_COUNT ; k++)
- { if ((retval = sf_write_int (file, int_data, item_count)) != item_count)
- { printf ("Error : sf_write_short returned %d (should have been %d)\n", retval, item_count) ;
- exit (1) ;
- } ;
- } ;
-
- sf_close (file) ;
-
- clock_time = clock () - start_clock ;
- op_count ++ ;
- } ;
-
- performance = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
- performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
- printf ("%6.2f%% of raw write\n", 100.0 * performance / write_rate) ;
-
- /* Collect read stats */
- printf (" Read %-5s from %s : ", "int", subtype) ;
- fflush (stdout) ;
-
- clock_time = 0 ;
- op_count = 0 ;
- start_clock = clock () ;
-
- while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
- { if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
- { printf ("Error : not able to open file : %s\n", filename) ;
- perror ("") ;
- exit (1) ;
- } ;
-
- for (k = 0 ; k < BLOCK_COUNT ; k++)
- { if ((retval = sf_read_int (file, int_data, item_count)) != item_count)
- { printf ("Error : write returned %d (should have been %d)\n", retval, item_count) ;
- exit (1) ;
- } ;
- } ;
-
- sf_close (file) ;
-
- clock_time = clock () - start_clock ;
- op_count ++ ;
- } ;
-
- performance = (1.0 * item_count) * BLOCK_COUNT * op_count ;
- performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
- printf ("%6.2f%% of raw read\n", 100.0 * performance / read_rate) ;
-
- unlink (filename) ;
-
-} /* calc_int_performance */
-static void
-calc_float_performance (int format, double read_rate, double write_rate)
-{ SNDFILE *file ;
- SF_INFO sfinfo ;
- clock_t start_clock, clock_time ;
- double performance ;
- int k, item_count, retval, op_count ;
- const char* subtype ;
- float *float_data ;
- const char *filename ;
-
- filename = "benchmark.dat" ;
- subtype = get_subtype_str (format & SF_FORMAT_SUBMASK) ;
-
- float_data = data ;
- item_count = BUFFER_SIZE ;
- for (k = 0 ; k < item_count ; k++)
- float_data [k] = 1.0 * sin (2 * M_PI * k / 32000.0) ;
-
- /* Collect write stats */
- printf (" Write %-5s to %s : ", "float", subtype) ;
- fflush (stdout) ;
-
- sfinfo.channels = 1 ;
- sfinfo.format = format ;
- sfinfo.frames = 1 ;
- sfinfo.samplerate = 32000 ;
-
- clock_time = 0 ;
- op_count = 0 ;
- start_clock = clock () ;
-
- while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
- { if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
- { printf ("Error : not able to open file : %s\n", filename) ;
- perror ("") ;
- exit (1) ;
- } ;
-
- /* Turn off the addition of a PEAK chunk. */
- sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
-
- for (k = 0 ; k < BLOCK_COUNT ; k++)
- { if ((retval = sf_write_float (file, float_data, item_count)) != item_count)
- { printf ("Error : sf_write_short returned %d (should have been %d)\n", retval, item_count) ;
- exit (1) ;
- } ;
- } ;
-
- sf_close (file) ;
-
- clock_time = clock () - start_clock ;
- op_count ++ ;
- } ;
-
- performance = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
- performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
- printf ("%6.2f%% of raw write\n", 100.0 * performance / write_rate) ;
-
- /* Collect read stats */
- printf (" Read %-5s from %s : ", "float", subtype) ;
- fflush (stdout) ;
-
- clock_time = 0 ;
- op_count = 0 ;
- start_clock = clock () ;
-
- while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
- { if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
- { printf ("Error : not able to open file : %s\n", filename) ;
- perror ("") ;
- exit (1) ;
- } ;
-
- for (k = 0 ; k < BLOCK_COUNT ; k++)
- { if ((retval = sf_read_float (file, float_data, item_count)) != item_count)
- { printf ("Error : write returned %d (should have been %d)\n", retval, item_count) ;
- exit (1) ;
- } ;
- } ;
-
- sf_close (file) ;
-
- clock_time = clock () - start_clock ;
- op_count ++ ;
- } ;
-
- performance = (1.0 * item_count) * BLOCK_COUNT * op_count ;
- performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
- printf ("%6.2f%% of raw read\n", 100.0 * performance / read_rate) ;
-
- unlink (filename) ;
-
-} /* calc_float_performance */
-
-
-/*==============================================================================
-*/
-
-static int
-cpu_is_big_endian (void)
-{ unsigned char *cptr ;
- int endtest ;
-
- endtest = 0x12345678 ;
-
- cptr = (unsigned char*) (&endtest) ;
-
- if (cptr [0] == 0x12 && cptr [1] == 0x34 && cptr [3] == 0x78)
- return SF_TRUE ;
-
- return SF_FALSE ;
-} /* cpu_is_big_endian */
-
-static const char*
-get_subtype_str (int subtype)
-{ switch (subtype)
- { case SF_FORMAT_PCM_16 :
- return "PCM_16" ;
-
- case SF_FORMAT_PCM_24 :
- return "PCM_24" ;
-
- case SF_FORMAT_PCM_32 :
- return "PCM_32" ;
-
- case SF_FORMAT_FLOAT :
- return "FLOAT " ;
-
- case SF_FORMAT_DOUBLE :
- return "DOUBLE" ;
-
- default : break ;
- } ;
-
- return "UNKNOWN" ;
-} /* get_subtype_str */
-