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
---
 include/ReadMad.h | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 include/ReadMad.h

(limited to 'include/ReadMad.h')

diff --git a/include/ReadMad.h b/include/ReadMad.h
new file mode 100644
index 0000000..bf0bc27
--- /dev/null
+++ b/include/ReadMad.h
@@ -0,0 +1,125 @@
+/*
+ * readanysf~  external for pd. 
+ * 
+ * Copyright (C) 2003 August Black
+ *
+ * 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
+ *
+ * ReadMad.cpp  || much code studied from Andy Lo-A-Foe <www.alsaplayer.org>
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+
+#ifdef READ_MAD
+
+#ifndef _READMAD_H_
+#define _READMAD_H_
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+
+
+#define MAD_BUFSIZE (4 * 1024)
+#define XING_MAGIC    (('X' << 24) | ('i' << 16) | ('n' << 8) | 'g')
+
+extern "C" { 	
+#include <mad.h>
+}
+
+//#include "xing.h"
+#include "Readsf.h"
+#include "Input.h"
+
+
+#define FRAME_RESERVE	2000
+
+
+struct xing {
+  long flags;			/* valid fields (see below) */
+  unsigned long frames;		/* total number of frames */
+  unsigned long bytes;		/* total number of bytes */
+  unsigned char toc[100];	/* 100-point seek table */
+  long scale;			/* ?? */
+};
+
+enum {
+  XING_FRAMES = 0x00000001L,
+  XING_BYTES  = 0x00000002L,
+  XING_TOC    = 0x00000004L,
+  XING_SCALE  = 0x00000008L
+};
+
+# define xing_finish(xing)	/* nothing */
+
+
+class ReadMad : public Readsf {
+
+ private:
+  //FILE *mad_fd;
+  uint8_t mad_map[MAD_BUFSIZE];
+  long map_offset;
+  int bytes_avail;
+
+  struct mad_synth  synth; 
+  struct mad_stream stream;
+  struct mad_frame  frame;
+  mad_timer_t timer;
+  struct xing xing;
+
+  int mad_init;
+  ssize_t offset;
+  ssize_t filesize;
+  //  int samplerate;
+  int bitrate;
+  int samplesperframe;
+  long samplestotal;
+  long time;
+  int seekable;
+  int nr_frames;
+
+  //float my_scale(mad_fixed_t sample);
+  bool fill_buffer( );
+  bool fill_buffer( long newoffset );
+  int mad_frame_seek( int frame );
+  ssize_t find_initial_frame(uint8_t *buf, int size);
+  void seek_bytes(long byte_offset);
+  
+  void xing_init(struct xing *);
+  int xing_parse(struct xing *, struct mad_bitptr, unsigned int);
+
+ public:
+  ReadMad();
+  ReadMad( Input *input );
+  virtual ~ReadMad();
+  virtual bool Initialize();
+  virtual int Decode(float *buffer, int size);
+  virtual bool Rewind();
+  virtual bool PCM_seek(long bytes);
+  virtual bool TIME_seek(double seconds);  
+};		
+
+#endif
+#endif //ifdef READ_MAD
-- 
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