Now commit the actual dir

git-svn-id: https://svn.musicpd.org/mpd/trunk@4463 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 188 insertions, 0 deletions

diff --git a/mp4ff/mp4util.c b/mp4ff/mp4util.c
new file mode 100644
index 000000000..1a77c97ae
--- /dev/null
+++ b/mp4ff/mp4util.c
@@ -0,0 +1,188 @@
+/*
+** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
+** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
+**
+** 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.
+**
+** Any non-GPL usage of this software or parts of this software is strictly
+** forbidden.
+**
+** Commercial non-GPL licensing of this software is possible.
+** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
+**
+** $Id: mp4util.c,v 1.15 2004/01/11 15:52:19 menno Exp $
+**/
+
+#include "mp4ffint.h"
+#include <stdlib.h>
+
+int32_t mp4ff_read_data(mp4ff_t *f, int8_t *data, uint32_t size)
+{
+    int32_t result = 1;
+
+    result = f->stream->read(f->stream->user_data, data, size);
+
+    f->current_position += size;
+
+    return result;
+}
+
+int32_t mp4ff_truncate(mp4ff_t * f)
+{
+	return f->stream->truncate(f->stream->user_data);
+}
+
+int32_t mp4ff_write_data(mp4ff_t *f, int8_t *data, uint32_t size)
+{
+    int32_t result = 1;
+
+    result = f->stream->write(f->stream->user_data, data, size);
+
+    f->current_position += size;
+
+    return result;
+}
+
+int32_t mp4ff_write_int32(mp4ff_t *f,const uint32_t data)
+{
+	uint32_t result;
+    uint32_t a, b, c, d;
+    int8_t temp[4];
+    
+    *(uint32_t*)temp = data;
+    a = (uint8_t)temp[0];
+    b = (uint8_t)temp[1];
+    c = (uint8_t)temp[2];
+    d = (uint8_t)temp[3];
+
+    result = (a<<24) | (b<<16) | (c<<8) | d;
+
+    return mp4ff_write_data(f,(uint8_t*)&result,sizeof(result));
+}
+
+int32_t mp4ff_set_position(mp4ff_t *f, const int64_t position)
+{
+    f->stream->seek(f->stream->user_data, position);
+    f->current_position = position;
+
+    return 0;
+}
+
+int64_t mp4ff_position(const mp4ff_t *f)
+{
+    return f->current_position;
+}
+
+uint64_t mp4ff_read_int64(mp4ff_t *f)
+{
+    uint8_t data[8];
+    uint64_t result = 0;
+    int8_t i;
+
+    mp4ff_read_data(f, data, 8);
+
+    for (i = 0; i < 8; i++)
+    {
+        result |= ((uint64_t)data[i]) << ((7 - i) * 8);
+    }
+
+    return result;
+}
+
+uint32_t mp4ff_read_int32(mp4ff_t *f)
+{
+    uint32_t result;
+    uint32_t a, b, c, d;
+    int8_t data[4];
+    
+    mp4ff_read_data(f, data, 4);
+    a = (uint8_t)data[0];
+    b = (uint8_t)data[1];
+    c = (uint8_t)data[2];
+    d = (uint8_t)data[3];
+
+    result = (a<<24) | (b<<16) | (c<<8) | d;
+    return (uint32_t)result;
+}
+
+uint32_t mp4ff_read_int24(mp4ff_t *f)
+{
+    uint32_t result;
+    uint32_t a, b, c;
+    int8_t data[4];
+    
+    mp4ff_read_data(f, data, 3);
+    a = (uint8_t)data[0];
+    b = (uint8_t)data[1];
+    c = (uint8_t)data[2];
+
+    result = (a<<16) | (b<<8) | c;
+    return (uint32_t)result;
+}
+
+uint16_t mp4ff_read_int16(mp4ff_t *f)
+{
+    uint32_t result;
+    uint32_t a, b;
+    int8_t data[2];
+    
+    mp4ff_read_data(f, data, 2);
+    a = (uint8_t)data[0];
+    b = (uint8_t)data[1];
+
+    result = (a<<8) | b;
+    return (uint16_t)result;
+}
+
+char * mp4ff_read_string(mp4ff_t * f,uint32_t length)
+{
+	char * str = (char*)malloc(length + 1);
+	if (str!=0)
+	{
+		if ((uint32_t)mp4ff_read_data(f,str,length)!=length)
+		{
+			free(str);
+			str = 0;
+		}
+		else
+		{
+			str[length] = 0;
+		}
+	}
+	return str;	
+}
+
+uint8_t mp4ff_read_char(mp4ff_t *f)
+{
+    uint8_t output;
+    mp4ff_read_data(f, &output, 1);
+    return output;
+}
+
+uint32_t mp4ff_read_mp4_descr_length(mp4ff_t *f)
+{
+    uint8_t b;
+    uint8_t numBytes = 0;
+    uint32_t length = 0;
+
+    do
+    {
+        b = mp4ff_read_char(f);
+        numBytes++;
+        length = (length << 7) | (b & 0x7F);
+    } while ((b & 0x80) && numBytes < 4);
+
+    return length;
+}