From 5e05f47d61ebad8aee6c3831912b21ad5dcc36e3 Mon Sep 17 00:00:00 2001
From: "B. Bogart" <bbogart@users.sourceforge.net>
Date: Sat, 13 Aug 2005 01:16:59 +0000
Subject: Initial commit of readanysf~ 0.13.1 for August

svn path=/trunk/externals/august/readanysf~/; revision=3426
---
 src/InputFile.cpp | 172 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 src/InputFile.cpp

(limited to 'src/InputFile.cpp')

diff --git a/src/InputFile.cpp b/src/InputFile.cpp
new file mode 100644
index 0000000..73b5c2b
--- /dev/null
+++ b/src/InputFile.cpp
@@ -0,0 +1,172 @@
+#include "InputFile.h"
+#include <iostream.h>
+
+InputFile::InputFile () {
+  fd = 0;
+  format = -1;
+  recover = false;
+}
+
+InputFile::~InputFile () {
+}
+
+// returns the file type, either WAV, MP3, OGG, etc. see input.h
+int InputFile::Open (const char *pathname) {
+  char buf[18];
+  filename = pathname;
+  
+  fd = open (pathname, O_RDONLY);
+  
+  if (fd == -1) {
+    // error opening the file, no dice
+    return -1;
+  }
+  
+  int bytesread = read (fd, buf, 16);
+  
+  if (bytesread < 4) {
+    // fill is too fucking small dude
+    close (fd);
+    return -1;
+  }
+  
+
+  if (!strncmp (buf, ".snd", 4))
+    {
+      //rewind the stream
+      if ((lseek (fd, 0, SEEK_SET)) == -1)
+	return -1;
+      return format = FORMAT_NEXT;	//, bigendian = 1;
+    }
+  else if (!strncmp (buf, "dns.", 4))
+    {
+      //rewind the stream
+      if ((lseek (fd, 0, SEEK_SET)) == -1)
+	return -1;
+      return format = FORMAT_NEXT;	//, bigendian = 0;
+    }
+  else if (!strncmp (buf, "RIFF", 4))
+    {
+      if (bytesread < 12 || strncmp (buf + 8, "WAVE", 4))
+	{
+	  cout << "bad header ?" << endl;
+	  return -1;
+	}
+      //rewind the stream
+      if ((lseek (fd, 0, SEEK_SET)) == -1)
+	return -1;
+      return format = FORMAT_WAVE;	//, bigendian = 0;
+    }
+  else if (!strncmp (buf, "FORM", 4))
+    {
+      if (bytesread < 12 || strncmp (buf + 8, "AIFF", 4))
+	return -1;	//goto badheader;
+      //rewind the stream
+      if ((lseek (fd, 0, SEEK_SET)) == -1)
+	return -1;
+      return format = FORMAT_AIFF;	//, bigendian = 1;
+    }
+  
+  else if (!strncmp (buf, "OggS", 4)) {
+    //rewind the stream
+    if ((lseek (fd, 0, SEEK_SET)) == -1)
+      return -1;
+#ifdef READ_VORBIS
+    return format = FORMAT_VORBIS;
+#else 
+      return -1;
+#endif
+    }
+  
+  else if (!strncmp (buf, "ID3", 3))
+    {
+      //rewind the stream
+      if ((lseek (fd, 0, SEEK_SET)) == -1)
+	return -1;
+#ifdef READ_MAD
+      return format = FORMAT_MAD;
+#else 
+      return -1;
+#endif
+    }
+  
+  else if (!strncasecmp (buf, "FLAC", 4))
+    {
+      // } else if( !strncasecmp(thefile+strlen(thefile)-4,".fla",4) ) {
+      //rewind the stream
+      if ((lseek (fd, 0, SEEK_SET)) == -1)
+	return -1;
+#ifdef READ_FLAC
+      return format = FORMAT_FLAC;
+#else 
+      return -1;
+#endif
+    }
+  else
+    {
+      unsigned int sync;
+      sync = (unsigned char) buf[0];
+      sync = sync << 3;
+      sync |= ((unsigned char) buf[1] & 0xE0) >> 5;
+      if (sync == 0x7FF)
+	{
+	  //rewind the stream
+	  if ((lseek (fd, 0, SEEK_SET)) == -1)
+	    return -1;
+#ifdef READ_MAD
+	  return format = FORMAT_MAD;
+#else 
+	  return -1;
+#endif
+	}
+      else if (!strncasecmp
+	       (pathname + strlen (pathname) - 4, ".mp3", 4))
+	{
+	  //trust that its mp3
+	  //rewind the stream
+	  if ((lseek (fd, 0, SEEK_SET)) == -1)
+	    return -1;
+	  cout << "doesnt seem like its an mp3, but if you say so" << endl;
+#ifdef READ_MAD
+	  return format = FORMAT_MAD;
+#else 
+	  return -1;
+#endif  
+	}
+    }
+  
+  
+  
+  return -1;
+  
+}
+
+int
+InputFile::Close ()
+{
+	return close (fd);
+}
+
+int
+InputFile::Read (void *buf, unsigned int count)
+{
+	return read (fd, buf, count);
+}
+
+long
+InputFile::SeekSet (long offset)
+{
+	return lseek (fd, offset, SEEK_SET);
+}
+
+long
+InputFile::SeekCur (long offset)
+{
+	return lseek (fd, offset, SEEK_CUR);
+}
+
+long
+InputFile::SeekEnd (long offset)
+{
+	return lseek (fd, offset, SEEK_END);
+}
-- 
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