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📄 pcm_test.c

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/*** 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 "config.h"#include <stdio.h>#include <stdlib.h>#include <string.h>#ifdef HAVE_UNISTD_H#include <unistd.h>#endif#include <sndfile.h>#include "float_cast.h"#include "utils.h"#define	BUFFER_SIZE		(1<<15)static void	lrintf_test (void) ;static void	pcm_test_bits_8	(const char *filename, int filetype, int hash) ;static void	pcm_test_bits_16	(const char *filename, int filetype, int hash) ;static void	pcm_test_bits_24	(const char *filename, int filetype, int hash) ;static void	pcm_test_bits_32	(const char *filename, int filetype, int hash) ;static void pcm_test_float	(const char *filename, int filetype, int hash, int replace_float) ;static void pcm_test_double	(const char *filename, int filetype, int hash, int replace_float) ;/* Data written to the file. */static	double	data_out [(BUFFER_SIZE / sizeof (double)) + 1] ;/* Data read back from the file. */static	double	data_in	[(BUFFER_SIZE / sizeof (double)) + 1] ;intmain (void){	lrintf_test () ;	pcm_test_bits_8	("pcm-s8.raw", SF_FORMAT_RAW | SF_FORMAT_PCM_S8, 0x9ae33814) ;	pcm_test_bits_8	("pcm-u8.raw", SF_FORMAT_RAW | SF_FORMAT_PCM_U8, 0x651d4694) ;	pcm_test_bits_16 ("le-pcm16.raw", SF_ENDIAN_LITTLE	| SF_FORMAT_RAW | SF_FORMAT_PCM_16, 0x16866fa0) ;	pcm_test_bits_16 ("be-pcm16.raw", SF_ENDIAN_BIG		| SF_FORMAT_RAW | SF_FORMAT_PCM_16, 0xc571826c) ;	pcm_test_bits_24 ("le-pcm24.raw", SF_ENDIAN_LITTLE	| SF_FORMAT_RAW | SF_FORMAT_PCM_24, 0x658e4bb6) ;	pcm_test_bits_24 ("be-pcm24.raw", SF_ENDIAN_BIG		| SF_FORMAT_RAW | SF_FORMAT_PCM_24, 0xbf8cde4a) ;	pcm_test_bits_32 ("le-pcm32.raw", SF_ENDIAN_LITTLE	| SF_FORMAT_RAW | SF_FORMAT_PCM_32, 0x04c84a70) ;	pcm_test_bits_32 ("be-pcm32.raw", SF_ENDIAN_BIG		| SF_FORMAT_RAW | SF_FORMAT_PCM_32, 0x069c84f6) ;	/* Lite remove start */	pcm_test_float	("le-float.raw", SF_ENDIAN_LITTLE	| SF_FORMAT_RAW | SF_FORMAT_FLOAT, 0xbb836603, SF_FALSE) ;	pcm_test_float	("be-float.raw", SF_ENDIAN_BIG		| SF_FORMAT_RAW | SF_FORMAT_FLOAT, 0x903cd8fc, SF_FALSE) ;	pcm_test_double	("le-double.raw", SF_ENDIAN_LITTLE	| SF_FORMAT_RAW | SF_FORMAT_DOUBLE, 0xbf84448e, SF_FALSE) ;	pcm_test_double	("be-double.raw", SF_ENDIAN_BIG	| SF_FORMAT_RAW | SF_FORMAT_DOUBLE, 0xaf3d9fb5, SF_FALSE) ;	puts ("Test IEEE replacement code.") ;	pcm_test_float	("le-float.raw", SF_ENDIAN_LITTLE	| SF_FORMAT_RAW | SF_FORMAT_FLOAT, 0xbb836603, SF_TRUE) ;	pcm_test_float	("be-float.raw", SF_ENDIAN_BIG		| SF_FORMAT_RAW | SF_FORMAT_FLOAT, 0x903cd8fc, SF_TRUE) ;	pcm_test_double	("le-double.raw", SF_ENDIAN_LITTLE	| SF_FORMAT_RAW | SF_FORMAT_DOUBLE, 0xbf84448e, SF_TRUE) ;	pcm_test_double	("be-double.raw", SF_ENDIAN_BIG	| SF_FORMAT_RAW | SF_FORMAT_DOUBLE, 0xaf3d9fb5, SF_TRUE) ;	/* Lite remove end */	return 0 ;} /* main *//*============================================================================================**	Here are the test functions.*/static voidlrintf_test (void){	int k, items ;	float	*float_data ;	int		*int_data ;	print_test_name ("lrintf_test", "") ;	items = 1024 ;	float_data = (float*) data_out ;	int_data = (int*) data_in ;	for (k = 0 ; k < items ; k++)		float_data [k] = (k * ((k % 2) ? 333333.0 : -333333.0)) ;	for (k = 0 ; k < items ; k++)		int_data [k] = lrintf (float_data [k]) ;	for (k = 0 ; k < items ; k++)		if (fabs (int_data [k] - float_data [k]) > 1.0)		{	printf ("\n\nLine %d: float : Incorrect sample (#%d : %f => %d).\n", __LINE__, k, float_data [k], int_data [k]) ;			exit (1) ;			} ;	printf ("ok\n") ;} /* lrintf_test */static voidpcm_test_bits_8 (const char *filename, int filetype, int hash){	SNDFILE		*file ;	SF_INFO		sfinfo ;	int			k, items, zero_count ;	short		*short_out, *short_in ;	int			*int_out, *int_in ;	/* Lite remove start */	float		*float_out, *float_in ;	double		*double_out, *double_in ;	/* Lite remove end */	print_test_name ("pcm_test_bits_8", filename) ;	items = 127 ;	short_out = (short*) data_out ;	short_in = (short*) data_in ;	zero_count = 0 ;	for (k = 0 ; k < items ; k++)	{	short_out [k] = ((k * ((k % 2) ? 1 : -1)) << 8) ;		zero_count = short_out [k] ? zero_count : zero_count + 1 ;		} ;	if (zero_count > items / 4)	{	printf ("\n\nLine %d: too many zeros.\n", __LINE__) ;		exit (1) ;		} ;	sfinfo.samplerate	= 44100 ;	sfinfo.frames		= 123456789 ; /* Wrong length. Library should correct this on sf_close. */	sfinfo.channels		= 1 ;	sfinfo.format		= filetype ;	file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;	test_write_short_or_die (file, 0, short_out, items, __LINE__) ;	sf_close (file) ;	memset (short_in, 0, items * sizeof (short)) ;	file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ;	if (sfinfo.format != filetype)	{	printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;		exit (1) ;		} ;	if (sfinfo.frames != items)	{	printf ("\n\nLine %d: Incorrect number of frames in file. (%d => %ld)\n", __LINE__, items, SF_COUNT_TO_LONG (sfinfo.frames)) ;		exit (1) ;		} ;	if (sfinfo.channels != 1)	{	printf ("\n\nLine %d: Incorrect number of channels in file.\n", __LINE__) ;		exit (1) ;		} ;	check_log_buffer_or_die (file, __LINE__) ;	test_read_short_or_die (file, 0, short_in, items, __LINE__) ;	for (k = 0 ; k < items ; k++)		if (short_out [k] != short_in [k])		{	printf ("\n\nLine %d: Incorrect sample (#%d : 0x%x => 0x%x).\n", __LINE__, k, short_out [k], short_in [k]) ;			exit (1) ;			} ;	sf_close (file) ;	/* Finally, check the file hash. */	check_file_hash_or_die (filename, hash, __LINE__) ;	/*--------------------------------------------------------------------------	** Test sf_read/write_int ()	*/	zero_count = 0 ;	int_out = (int*) data_out ;	int_in = (int*) data_in ;	for (k = 0 ; k < items ; k++)	{	int_out [k] = ((k * ((k % 2) ? 1 : -1)) << 24) ;		zero_count = int_out [k] ? zero_count : zero_count + 1 ;		} ;	if (zero_count > items / 4)	{	printf ("\n\nLine %d: too many zeros.\n", __LINE__) ;		exit (1) ;		} ;	sfinfo.samplerate	= 44100 ;	sfinfo.frames		= 123456789 ; /* Wrong length. Library should correct this on sf_close. */	sfinfo.channels		= 1 ;	sfinfo.format		= filetype ;	file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;	test_write_int_or_die (file, 0, int_out, items, __LINE__) ;	sf_close (file) ;	memset (int_in, 0, items * sizeof (int)) ;	file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ;	if (sfinfo.format != filetype)	{	printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;		exit (1) ;		} ;	if (sfinfo.frames != items)	{	printf ("\n\nLine %d: Incorrect number of frames in file. (%d => %ld)\n", __LINE__, items, SF_COUNT_TO_LONG (sfinfo.frames)) ;		exit (1) ;		} ;	if (sfinfo.channels != 1)	{	printf ("\n\nLine %d: Incorrect number of channels in file.\n", __LINE__) ;		exit (1) ;		} ;	check_log_buffer_or_die (file, __LINE__) ;	test_read_int_or_die (file, 0, int_in, items, __LINE__) ;	for (k = 0 ; k < items ; k++)		if (int_out [k] != int_in [k])		{	printf ("\n\nLine %d: int : Incorrect sample (#%d : 0x%x => 0x%x).\n", __LINE__, k, int_out [k], int_in [k]) ;			exit (1) ;			} ;	sf_close (file) ;	/* Lite remove start */	/*--------------------------------------------------------------------------	** Test sf_read/write_float ()	*/	zero_count = 0 ;	float_out = (float*) data_out ;	float_in = (float*) data_in ;	for (k = 0 ; k < items ; k++)	{	float_out [k] = (k * ((k % 2) ? 1 : -1)) ;		zero_count = (fabs (float_out [k]) > 1e-10) ? zero_count : zero_count + 1 ;		} ;	if (zero_count > items / 4)	{	printf ("\n\nLine %d: too many zeros (%d/%d).\n", __LINE__, zero_count, items) ;		exit (1) ;		} ;	sfinfo.samplerate	= 44100 ;	sfinfo.frames		= 123456789 ; /* Wrong length. Library should correct this on sf_close. */	sfinfo.channels		= 1 ;	sfinfo.format		= filetype ;	file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;	sf_command (file, SFC_SET_NORM_FLOAT, NULL, SF_FALSE) ;	test_write_float_or_die (file, 0, float_out, items, __LINE__) ;	sf_close (file) ;	memset (float_in, 0, items * sizeof (float)) ;	file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ;	if (sfinfo.format != filetype)	{	printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;		exit (1) ;		} ;	if (sfinfo.frames != items)	{	printf ("\n\nLine %d: Incorrect number of frames in file. (%d => %ld)\n", __LINE__, items, SF_COUNT_TO_LONG (sfinfo.frames)) ;		exit (1) ;		} ;	if (sfinfo.channels != 1)	{	printf ("\n\nLine %d: Incorrect number of channels in file.\n", __LINE__) ;		exit (1) ;		} ;	check_log_buffer_or_die (file, __LINE__) ;	sf_command (file, SFC_SET_NORM_FLOAT, NULL, SF_FALSE) ;	test_read_float_or_die (file, 0, float_in, items, __LINE__) ;	for (k = 0 ; k < items ; k++)		if (fabs (float_out [k] - float_in [k]) > 1e-10)		{	printf ("\n\nLine %d: float : Incorrect sample (#%d : %f => %f).\n", __LINE__, k, (double) float_out [k], (double) float_in [k]) ;			exit (1) ;			break ;			} ;	sf_close (file) ;	/*--------------------------------------------------------------------------	** Test sf_read/write_double ()	*/	zero_count = 0 ;	double_out = (double*) data_out ;	double_in = (double*) data_in ;	for (k = 0 ; k < items ; k++)	{	double_out [k] = (k * ((k % 2) ? 1 : -1)) ;		zero_count = (fabs (double_out [k]) > 1e-10) ? zero_count : zero_count + 1 ;		} ;	if (zero_count > items / 4)	{	printf ("\n\nLine %d: too many zeros (%d/%d).\n", __LINE__, zero_count, items) ;		exit (1) ;		} ;	sfinfo.samplerate	= 44100 ;	sfinfo.frames		= 123456789 ; /* Wrong length. Library should correct this on sf_close. */	sfinfo.channels		= 1 ;	sfinfo.format		= filetype ;	file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;	sf_command (file, SFC_SET_NORM_DOUBLE, NULL, SF_FALSE) ;	test_write_double_or_die (file, 0, double_out, items, __LINE__) ;	sf_close (file) ;	memset (double_in, 0, items * sizeof (double)) ;	file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ;	if (sfinfo.format != filetype)	{	printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;		exit (1) ;		} ;	if (sfinfo.frames != items)	{	printf ("\n\nLine %d: Incorrect number of frames in file. (%d => %ld)\n", __LINE__, items, SF_COUNT_TO_LONG (sfinfo.frames)) ;		exit (1) ;		} ;	if (sfinfo.channels != 1)	{	printf ("\n\nLine %d: Incorrect number of channels in file.\n", __LINE__) ;		exit (1) ;		} ;	check_log_buffer_or_die (file, __LINE__) ;	sf_command (file, SFC_SET_NORM_DOUBLE, NULL, SF_FALSE) ;	test_read_double_or_die (file, 0, double_in, items, __LINE__) ;	for (k = 0 ; k < items ; k++)		if (fabs (double_out [k] - double_in [k]) > 1e-10)		{	printf ("\n\nLine %d: double : Incorrect sample (#%d : %f => %f).\n", __LINE__, k, double_out [k], double_in [k]) ;			exit (1) ;			} ;	sf_close (file) ;	/* Lite remove end */	unlink (filename) ;	puts ("ok") ;} /* pcm_test_bits_8 */static voidpcm_test_bits_16 (const char *filename, int filetype, int hash){	SNDFILE		*file ;	SF_INFO		sfinfo ;	int			k, items, zero_count ;	short		*short_out, *short_in ;	int			*int_out, *int_in ;	/* Lite remove start */	float		*float_out, *float_in ;	double		*double_out, *double_in ;	/* Lite remove end */	print_test_name ("pcm_test_bits_16", filename) ;	items = 1024 ;	short_out = (short*) data_out ;	short_in = (short*) data_in ;	zero_count = 0 ;	for (k = 0 ; k < items ; k++)	{	short_out [k] = (k * ((k % 2) ? 3 : -3)) ;		zero_count = short_out [k] ? zero_count : zero_count + 1 ;		} ;	if (zero_count > items / 4)	{	printf ("\n\nLine %d: too many zeros.\n", __LINE__) ;		exit (1) ;		} ;	sfinfo.samplerate	= 44100 ;	sfinfo.frames		= 123456789 ; /* Wrong length. Library should correct this on sf_close. */	sfinfo.channels		= 1 ;	sfinfo.format		= filetype ;	file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;	test_write_short_or_die (file, 0, short_out, items, __LINE__) ;	sf_close (file) ;	memset (short_in, 0, items * sizeof (short)) ;	file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ;	if (sfinfo.format != filetype)

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