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authorMatthias (think) <matthias@mpb.li>2012-07-11 11:49:12 +0200
committerMatthias (think) <matthias@mpb.li>2012-07-11 11:49:12 +0200
commitbbab73a63b8c7b50e8a8cb228999d45024fad984 (patch)
tree81a822aa9bd33cae8a5fb8ade4faa83b652316d9 /src/mpeg.h
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added unmodified mmbtools
Diffstat (limited to 'src/mpeg.h')
-rw-r--r--src/mpeg.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/mpeg.h b/src/mpeg.h
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+/*
+ 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