--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spandsp-0.0.3/spandsp-0.0.3/tests/v8_tests.c	Fri Jun 25 16:00:21 2010 +0200
@@ -0,0 +1,206 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * v8_tests.c
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 2004 Steve Underwood
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: v8_tests.c,v 1.19 2006/11/23 15:48:09 steveu Exp $
+ */
+
+/*! \page v8_tests_page V.8 tests
+\section v8_tests_page_sec_1 What does it do?
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <inttypes.h>
+#include <stdio.h>
+#if defined(HAVE_TGMATH_H)
+#include <tgmath.h>
+#endif
+#if defined(HAVE_MATH_H)
+#include <math.h>
+#endif
+#include <fcntl.h>
+#include <string.h>
+#include <audiofile.h>
+#include <tiffio.h>
+
+#include "spandsp.h"
+
+#define FALSE 0
+#define TRUE (!FALSE)
+
+#define SAMPLES_PER_CHUNK   160
+
+#define OUTPUT_FILE_NAME    "v8.wav"
+
+int negotiations_ok = 0;
+
+static void handler(void *user_data, v8_result_t *result)
+{
+    const char *s;
+    
+    s = (const char *) user_data;
+    
+    if (result == NULL)
+    {
+        printf("%s V.8 negotiation failed\n", s);
+        return;
+    }
+    printf("%s V.8 negotiation result:\n", s);
+    printf("  Call function '%s'\n", v8_call_function_to_str(result->call_function));
+    printf("  Negotiated modulation '%s'\n", v8_modulation_to_str(result->negotiated_modulation));
+    printf("  Protocol '%s'\n", v8_protocol_to_str(result->protocol));
+    printf("  PSTN access '%s'\n", v8_pstn_access_to_str(result->pstn_access));
+    printf("  PCM modem availability '%s'\n", v8_pcm_modem_availability_to_str(result->pcm_modem_availability));
+    if (result->call_function == V8_CALL_V_SERIES
+        &&
+        result->negotiated_modulation == V8_MOD_V90
+        &&
+        result->protocol == V8_PROTOCOL_LAPM_V42)
+    {
+        negotiations_ok++;
+    }
+}
+
+int main(int argc, char *argv[])
+{
+    int i;
+    int16_t amp[SAMPLES_PER_CHUNK];
+    int16_t out_amp[2*SAMPLES_PER_CHUNK];
+    v8_state_t v8_caller;
+    v8_state_t v8_answerer;
+    int outframes;
+    int samples;
+    int remnant;
+    int caller_available_modulations;
+    int answerer_available_modulations;
+    AFfilehandle outhandle;
+    AFfilesetup filesetup;
+    
+    if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
+    {
+        fprintf(stderr, "    Failed to create file setup\n");
+        exit(2);
+    }
+    afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
+    afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
+    afInitFileFormat(filesetup, AF_FILE_WAVE);
+    afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
+    if ((outhandle = afOpenFile(OUTPUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
+    {
+        fprintf(stderr, "    Cannot create wave file '%s'\n", OUTPUT_FILE_NAME);
+        exit(2);
+    }
+
+    caller_available_modulations = V8_MOD_V17
+                                 | V8_MOD_V21
+                                 | V8_MOD_V22
+                                 | V8_MOD_V23HALF
+                                 | V8_MOD_V23
+                                 | V8_MOD_V26BIS
+                                 | V8_MOD_V26TER
+                                 | V8_MOD_V27TER
+                                 | V8_MOD_V29
+                                 | V8_MOD_V32
+                                 | V8_MOD_V34HALF
+                                 | V8_MOD_V34
+                                 | V8_MOD_V90
+                                 | V8_MOD_V92;
+    answerer_available_modulations = V8_MOD_V17
+                                   | V8_MOD_V21
+                                   | V8_MOD_V22
+                                   | V8_MOD_V23HALF
+                                   | V8_MOD_V23
+                                   | V8_MOD_V26BIS
+                                   | V8_MOD_V26TER
+                                   | V8_MOD_V27TER
+                                   | V8_MOD_V29
+                                   | V8_MOD_V32
+                                   | V8_MOD_V34HALF
+                                   | V8_MOD_V34
+                                   | V8_MOD_V90
+                                   | V8_MOD_V92;
+
+    v8_init(&v8_caller, TRUE, caller_available_modulations, handler, (void *) "caller");
+    v8_init(&v8_answerer, FALSE, answerer_available_modulations, handler, (void *) "answerer");
+    span_log_set_level(&v8_caller.logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
+    span_log_set_tag(&v8_caller.logging, "caller");
+    span_log_set_level(&v8_answerer.logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
+    span_log_set_tag(&v8_answerer.logging, "answerer");
+    for (i = 0;  i < 1000;  i++)
+    {
+        samples = v8_tx(&v8_caller, amp, SAMPLES_PER_CHUNK);
+        if (samples < SAMPLES_PER_CHUNK)
+        {
+            memset(amp + samples, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - samples));
+            samples = SAMPLES_PER_CHUNK;
+        }
+        remnant = v8_rx(&v8_answerer, amp, samples);
+        for (i = 0;  i < samples;  i++)
+            out_amp[2*i] = amp[i];
+        
+        samples = v8_tx(&v8_answerer, amp, SAMPLES_PER_CHUNK);
+        if (samples < SAMPLES_PER_CHUNK)
+        {
+            memset(amp + samples, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - samples));
+            samples = SAMPLES_PER_CHUNK;
+        }
+        if (v8_rx(&v8_caller, amp, samples)  &&  remnant)
+            break;
+        for (i = 0;  i < samples;  i++)
+            out_amp[2*i + 1] = amp[i];
+
+        outframes = afWriteFrames(outhandle,
+                                  AF_DEFAULT_TRACK,
+                                  out_amp,
+                                  samples);
+        if (outframes != samples)
+        {
+            fprintf(stderr, "    Error writing wave file\n");
+            exit(2);
+        }
+    }
+    if (afCloseFile(outhandle))
+    {
+        fprintf(stderr, "    Cannot close wave file '%s'\n", OUTPUT_FILE_NAME);
+        exit(2);
+    }
+    afFreeFileSetup(filesetup);
+    
+    v8_release(&v8_caller);
+    v8_release(&v8_answerer);
+    
+    if (negotiations_ok != 2)
+    {
+        printf("Tests failed.\n");
+        exit(2);
+    }
+    
+    printf("Tests passed.\n");
+    return  0;
+}
+/*- End of function --------------------------------------------------------*/
+/*- End of file ------------------------------------------------------------*/