shithub: libsamplerate

Download patch

ref: c61d92bd9d3430535443da45d19d37663f25a22d
parent: d15d01d83198c35a99629df7e0159db4c519eb36
author: Erik de Castro Lopo <[email protected]>
date: Sat Jan 27 14:20:59 EST 2007 

Add new test program callback_hang_test and hook into build.


--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,6 +1,7 @@
 noinst_PROGRAMS = misc_test termination_test simple_test callback_test \
 					reset_test multi_channel_test snr_bw_test \
-					float_short_test varispeed_test src-evaluate benchmark
+					float_short_test varispeed_test callback_hang_test \
+					src-evaluate benchmark
 
 SAMPLRATEDIR =../src
 INCLUDES = -I$(srcdir)/$(SAMPLRATEDIR)
@@ -14,6 +15,9 @@
 termination_test_SOURCES = termination_test.c util.c util.h
 termination_test_LDADD = $(SAMPLRATEDIR)/libsamplerate.la
 
+callback_hang_test_SOURCES = callback_hang_test.c util.c util.h
+callback_hang_test_LDADD = $(SAMPLRATEDIR)/libsamplerate.la
+
 simple_test_SOURCES = simple_test.c util.c util.h
 simple_test_LDADD = $(SAMPLRATEDIR)/libsamplerate.la
 
@@ -55,6 +59,7 @@
 	uname -a
 	./misc_test
 	./termination_test
+	./callback_hang_test
 	./simple_test
 	./callback_test
 	./reset_test
--- /dev/null
+++ b/tests/callback_hang_test.c
@@ -1,0 +1,121 @@
+/*
+** Copyright (C) 2002-2007 Erik de Castro Lopo <[email protected]>
+**
+** 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 <stdlib.h>
+#include <unistd.h>
+#include <math.h>
+
+#include <signal.h>
+
+#include <samplerate.h>
+
+#include "util.h"
+
+#define	SHORT_BUFFER_LEN	512
+#define	LONG_BUFFER_LEN		(1 << 14)
+
+typedef struct
+{	double ratio ;
+	int count ;
+} SRC_PAIR ;
+
+static void callback_hang_test (int converter) ;
+
+static void alarm_handler (int number) ;
+static long input_callback (void *cb_data, float **data) ;
+
+
+int
+main (void)
+{
+	/* Set up SIGALRM handler. */
+	signal (SIGALRM, alarm_handler) ;
+
+	puts ("") ;
+	callback_hang_test (SRC_ZERO_ORDER_HOLD) ;
+	callback_hang_test (SRC_LINEAR) ;
+	callback_hang_test (SRC_SINC_FASTEST) ;
+	puts ("") ;
+
+	return 0 ;
+} /* main */
+
+
+static void
+callback_hang_test (int converter)
+{	static float output [LONG_BUFFER_LEN] ;
+	static SRC_PAIR pairs [] =
+	{
+		{ 1.2, 5 }, { 1.1, 1 }, { 1.0, 1 }, { 3.0, 1 }, { 2.0, 1 }, { 0.3, 1 },
+		{ 1.2, 0 }, { 1.1, 10 }, { 1.0, 1 }
+		} ;
+
+
+	SRC_STATE	*src_state ;
+
+	double src_ratio = 1.0 ;
+	long out_count ;
+	int current_out ;
+	int k, error ;
+
+	printf ("\tcallback_hang_test  (%-28s) ....... ", src_get_name (converter)) ;
+	fflush (stdout) ;
+
+	current_out = 0 ;
+
+	/* Perform sample rate conversion. */
+	src_state = src_callback_new (input_callback, converter, 1, &error, NULL) ;
+	if (src_state == NULL)
+	{	printf ("\n\nLine %d : src_callback_new () failed : %s\n\n", __LINE__, src_strerror (error)) ;
+		exit (1) ;
+		} ;
+
+	for (k = 0 ; k < ARRAY_LEN (pairs) ; k++)
+	{	alarm (1) ;
+		src_ratio = pairs [k].ratio ;
+		out_count = src_callback_read (src_state, src_ratio, pairs [k].count, output) ;
+		} ;
+
+	src_state = src_delete (src_state) ;
+
+	alarm (0) ;
+	puts ("ok") ;
+
+	return ;
+} /* callback_hang_test */
+
+static void
+alarm_handler (int number)
+{
+	number = 0 ;
+	printf ("\n\n    Error : Hang inside src_callback_read() detected. Exiting!\n\n");
+	exit (1) ;
+} /* alarm_handler */
+
+static long
+input_callback (void *cb_data, float **data)
+{
+	static float buffer [20] ;
+
+	cb_data = NULL ;
+	*data = buffer ;
+
+	return ARRAY_LEN (buffer) ;
+} /* input_callback */
+