From 9ccb27ac548ef8ff8f23cec5574d6d9fb8494779 Mon Sep 17 00:00:00 2001
From: "Kevin M. Rosenberg" <kevin@rosenberg.net>
Date: Wed, 11 Feb 2004 17:06:52 +0000
Subject: [PATCH] r8648: latest updates

---
 wdq2wav.cpp | 52 ++++++++++++++++++++++++++++++++++++++--------------
 wdq2wav.h   |  2 +-
 2 files changed, 39 insertions(+), 15 deletions(-)

diff --git a/wdq2wav.cpp b/wdq2wav.cpp
index 3e5d749..fcc782c 100644
--- a/wdq2wav.cpp
+++ b/wdq2wav.cpp
@@ -79,8 +79,15 @@ info_msg_sans_newline (const char* msg)
 const char*
 fileBasename (const char* filename)
 {
-  const char* p = strrchr (filename, '/');
-  return (p ? p + 1 : filename);
+  const char* pslash = strrchr (filename, '/');
+  const char* pbackslash = strrchr (filename, '\\');
+  const char* p = filename;
+  if (pbackslash && (! pslash || pbackslash >= pslash))
+	p = pbackslash+1;
+  else if (pslash && (! pbackslash || pslash >= pbackslash))
+    p = pslash+1;
+
+  return p;
 }
 
 char *
@@ -115,7 +122,7 @@ usage (const char* progname)
   std::cout << "  -m   Do not demean the data (don't subtract the mean value from each sample)\n";
   std::cout << "  -v   Verbose mode\n";
   std::cout << "  -d   Debug mode\n";
-  std::cout << "  -r   Print program version\n";
+  std::cout << "  -r   Print program version and exit\n";
   std::cout << "  -h   Print this help message\n";
 }
 
@@ -132,6 +139,7 @@ main (int argc, char *argv[])
     switch (c) {
     case 'r':
         std::cout << "Version " << g_szIdStr << std::endl;
+		exit(0);
         break;
     case 'q':
       g_quiet = true;
@@ -160,6 +168,10 @@ main (int argc, char *argv[])
         return (1);
       }
     }
+
+  if (g_verbose || g_debug)
+	  std::cout << "Version " << g_szIdStr << std::endl;
+
   argc -= optind;
   argv += optind;
   if (argc > 3) {
@@ -227,8 +239,15 @@ wdq2wav (const char* wdq_fname, const int channel, const char *wav_fname, bool p
   }
   if (! g_quiet || g_verbose || g_debug) {
     std::ostringstream os1;
-    os1 << "File " << wdq_fname;
+	os1 << "File: " << wdq_fname;
     info_msg (os1.str().c_str());
+	std::ostringstream os;
+	os << "Legacy Format: ";
+	if (wdq.m_bLegacy_format)
+		os << "Yes";
+	else
+		os << "No";
+	info_msg(os.str().c_str());
     std::ostringstream os2;
     time_t time = wdq.m_time_acq_start;
     struct tm* tm = gmtime (&time);
@@ -368,13 +387,16 @@ WindaqFile::ReadHeader ()
   lseek (0, 0, SEEK_SET);
   if (! read_int2 (m_fd, tmp2))
     return false;
-  m_format = (tmp2 & 0xFF00) >> 8;
-  printf ("format=%d\n",m_format);
-  printf ("tmp2=%4x\n", tmp2);
-  m_nChannels = tmp2 & 0x1f;
+
   m_sr_denom = (tmp2 & 0x7fff) >> 5;
   m_sr_numer = (tmp2 & 0x8000) << 1;
-  
+  short unsigned int byte1 = (tmp2 & 0xFF00) >> 8;
+  short unsigned int byte2 = tmp2 & 0xFF;
+  if (byte1 == 0 || byte1 == 1) {
+	  m_bLegacy_format = false;
+  } else {
+      m_bLegacy_format = true;
+  }
   if (! read_int2 (m_fd, tmp2))
     return false;
 
@@ -389,7 +411,10 @@ WindaqFile::ReadHeader ()
     return false;
 
   m_nMaxChannels = (m_nHeader_bytes - 112) / 36;
-  printf ("m_nMaxChannels = %d\n", m_nMaxChannels);
+  if (m_nMaxChannels >= 144)
+	m_nChannels = byte2 & 0xFF;
+  else
+	  m_nChannels = byte2 & 0x1F;
 
   if (! read_int4 (m_fd, m_nData_bytes))
     return false;
@@ -399,12 +424,11 @@ WindaqFile::ReadHeader ()
   lseek (m_fd, 28, SEEK_SET);
   if (! read_float8 (m_fd, m_time_between_channel_samples))
 	  return false;
-  printf ("time_between_channel_samples=%lf\n", m_time_between_channel_samples);
 
-  if (m_format == 0 || m_format == 1)
-	 m_sample_rate = (double) m_nChannels / m_time_between_channel_samples;
+  if (m_bLegacy_format)
+     m_sample_rate = (double) m_sr_numer / (double) (m_sr_denom * m_nChannels);
   else		
-	  m_sample_rate = (double) m_sr_numer / (double) (m_sr_denom * m_nChannels);
+	 m_sample_rate = (double) m_nChannels / m_time_between_channel_samples;
 
   lseek (m_fd, 36, SEEK_SET);
   if (! read_int4 (m_fd, m_time_acq_start))
diff --git a/wdq2wav.h b/wdq2wav.h
index 688ddc6..a5076c0 100644
--- a/wdq2wav.h
+++ b/wdq2wav.h
@@ -72,7 +72,7 @@ public:
   bool m_valid;
   std::string m_error;
   int m_fd;
-  int m_format;
+  bool m_bLegacy_format;
   int m_nMaxChannels;
   int m_nChannels;
   unsigned long int m_nSamples;
-- 
2.34.1