| /* |
| ** 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 "config.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <math.h> |
| |
| #if HAVE_ALARM && HAVE_SIGNAL && HAVE_SIGALRM |
| |
| #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 ; |
| int k, error ; |
| |
| printf ("\tcallback_hang_test (%-28s) ....... ", src_get_name (converter)) ; |
| fflush (stdout) ; |
| |
| /* 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 ; |
| 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) |
| { |
| (void) number ; |
| 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] ; |
| |
| (void) cb_data ; |
| *data = buffer ; |
| |
| return ARRAY_LEN (buffer) ; |
| } /* input_callback */ |
| |
| #else |
| |
| int |
| main (void) |
| { |
| puts ("\tCan't run this test on this platform.") ; |
| return 0 ; |
| } /* main */ |
| |
| #endif |