added unmodified mmbtools

1 files changed, 82 insertions, 0 deletions

diff --git a/src/mpeg.h b/src/mpeg.h
new file mode 100644
index 0000000..d892225
--- /dev/null
+++ b/src/mpeg.h
@@ -0,0 +1,82 @@
+/*
+   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty
+   the Queen in Right of Canada (Communications Research Center Canada)
+   */
+/*
+   This file is part of CRC-DabMux.
+
+   CRC-DabMux 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 3 of the
+   License, or (at your option) any later version.
+
+   CRC-DabMux 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 CRC-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#ifndef _MPEG
+#define _MPEG
+
+#ifdef HAVE_CONFIG_H
+#   include "config.h"
+#endif
+
+#ifdef _WIN32
+#   include <stddef.h>
+#   include <basetsd.h>
+#   include <io.h>
+
+#   define ssize_t SSIZE_T
+#else
+#   include <unistd.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    unsigned long sync1:8;
+
+    unsigned long protection:1;
+    unsigned long layer:2;
+    unsigned long id:2;
+    unsigned long sync2:3;
+
+    unsigned long priv:1;
+    unsigned long padding:1;
+    unsigned long samplingrate:2;
+    unsigned long bitrate:4;
+
+    unsigned long emphasis:2;
+    unsigned long original:1;
+    unsigned long copyright:1;
+    unsigned long mode:2;
+    unsigned long channel:2;
+} mpegHeader;
+
+
+extern short getMpegBitrate(void* data);
+extern int getMpegFrequency(void* data);
+int getMpegFrameLength(mpegHeader* header);
+ssize_t readData(int file, void* data, size_t size, unsigned int tries);
+
+#define MPEG_BUFFER_OVERFLOW    -2
+#define MPEG_FILE_EMPTY         -3
+#define MPEG_FILE_ERROR         -4
+#define MPEG_SYNC_NOT_FOUND     -5
+#define MPEG_INVALID_FRAME      -6
+#define MPEG_BUFFER_UNDERFLOW   -7
+int readMpegHeader(int file, void* data, int size);
+int readMpegFrame(int file, void* data, int size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _MPEG