Diff: stream.cpp

Revision:

4:30b2cf4a8ee2

Parent:

3:6f07b5f52c38

Child:

5:50015f4868e2

--- a/stream.cpp	Wed Dec 19 06:01:00 2012 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,161 +0,0 @@
-/*
- * libmad - MPEG audio decoder library
- * Copyright (C) 2000-2004 Underbit Technologies, Inc.
- *
- * 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
- *
- * $Id: stream.c,v 1.1 2010/11/23 20:12:57 andy Exp $
- */
-
-#  include "config.h"
-
-# include "global.h"
-
-# include <stdlib.h>
-
-# include "bit.h"
-# include "stream.h"
-
-/*
- * NAME:	stream->init()
- * DESCRIPTION:	initialize stream struct
- */
-void mad_stream_init(struct mad_stream *stream)
-{
-  stream->buffer     = 0;
-  stream->bufend     = 0;
-  stream->skiplen    = 0;
-
-  stream->sync       = 0;
-  stream->freerate   = 0;
-
-  stream->this_frame = 0;
-  stream->next_frame = 0;
-  mad_bit_init(&stream->ptr, 0);
-
-  mad_bit_init(&stream->anc_ptr, 0);
-  stream->anc_bitlen = 0;
-
-  stream->main_data  = 0;
-  stream->md_len     = 0;
-
-  stream->options    = 0;
-  stream->error      = MAD_ERROR_NONE;
-}
-
-/*
- * NAME:	stream->finish()
- * DESCRIPTION:	deallocate any dynamic memory associated with stream
- */
-void mad_stream_finish(struct mad_stream *stream)
-{
-  if (stream->main_data) {
-#if !defined(TARGET_LPC1768)
-    free(stream->main_data);
-#endif
-    stream->main_data = 0;
-  }
-
-  mad_bit_finish(&stream->anc_ptr);
-  mad_bit_finish(&stream->ptr);
-}
-
-/*
- * NAME:	stream->buffer()
- * DESCRIPTION:	set stream buffer pointers
- */
-void mad_stream_buffer(struct mad_stream *stream,
-		       unsigned char const *buffer, unsigned long length)
-{
-  stream->buffer = buffer;
-  stream->bufend = buffer + length;
-
-  stream->this_frame = buffer;
-  stream->next_frame = buffer;
-
-  stream->sync = 1;
-
-  mad_bit_init(&stream->ptr, buffer);
-}
-
-/*
- * NAME:	stream->skip()
- * DESCRIPTION:	arrange to skip bytes before the next frame
- */
-void mad_stream_skip(struct mad_stream *stream, unsigned long length)
-{
-  stream->skiplen += length;
-}
-
-/*
- * NAME:	stream->sync()
- * DESCRIPTION:	locate the next stream sync word
- */
-int mad_stream_sync(struct mad_stream *stream)
-{
-  register unsigned char const *ptr, *end;
-
-  ptr = mad_bit_nextbyte(&stream->ptr);
-  end = stream->bufend;
-
-  while (ptr < end - 1 &&
-	 !(ptr[0] == 0xff && (ptr[1] & 0xe0) == 0xe0))
-    ++ptr;
-
-  if (end - ptr < MAD_BUFFER_GUARD)
-    return -1;
-
-  mad_bit_init(&stream->ptr, ptr);
-
-  return 0;
-}
-
-/*
- * NAME:	stream->errorstr()
- * DESCRIPTION:	return a string description of the current error condition
- */
-char const *mad_stream_errorstr(struct mad_stream const *stream)
-{
-  switch (stream->error) {
-  case MAD_ERROR_NONE:		 return "no error";
-
-  case MAD_ERROR_BUFLEN:	 return "input buffer too small (or EOF)";
-  case MAD_ERROR_BUFPTR:	 return "invalid (null) buffer pointer";
-
-  case MAD_ERROR_NOMEM:		 return "not enough memory";
-
-  case MAD_ERROR_LOSTSYNC:	 return "lost synchronization";
-  case MAD_ERROR_BADLAYER:	 return "reserved header layer value";
-  case MAD_ERROR_BADBITRATE:	 return "forbidden bitrate value";
-  case MAD_ERROR_BADSAMPLERATE:	 return "reserved sample frequency value";
-  case MAD_ERROR_BADEMPHASIS:	 return "reserved emphasis value";
-
-  case MAD_ERROR_BADCRC:	 return "CRC check failed";
-  case MAD_ERROR_BADBITALLOC:	 return "forbidden bit allocation value";
-  case MAD_ERROR_BADSCALEFACTOR: return "bad scalefactor index";
-  case MAD_ERROR_BADMODE:	 return "bad bitrate/mode combination";
-  case MAD_ERROR_BADFRAMELEN:	 return "bad frame length";
-  case MAD_ERROR_BADBIGVALUES:	 return "bad big_values count";
-  case MAD_ERROR_BADBLOCKTYPE:	 return "reserved block_type";
-  case MAD_ERROR_BADSCFSI:	 return "bad scalefactor selection info";
-  case MAD_ERROR_BADDATAPTR:	 return "bad main_data_begin pointer";
-  case MAD_ERROR_BADPART3LEN:	 return "bad audio data length";
-  case MAD_ERROR_BADHUFFTABLE:	 return "bad Huffman table select";
-  case MAD_ERROR_BADHUFFDATA:	 return "Huffman data overrun";
-  case MAD_ERROR_BADSTEREO:	 return "incompatible block_type for JS";
-  }
-
-  return 0;
-}