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-rw-r--r--uisimulator/common/libmad/stream.h107
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diff --git a/uisimulator/common/libmad/stream.h b/uisimulator/common/libmad/stream.h
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+++ b/uisimulator/common/libmad/stream.h
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+/*
+ * libmad - MPEG audio decoder library
+ * Copyright (C) 2000-2001 Robert Leslie
+ *
+ * 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
+ *
+ * $Id$
+ */
+
+# ifndef LIBMAD_STREAM_H
+# define LIBMAD_STREAM_H
+
+# include "bit.h"
+
+# define MAD_BUFFER_GUARD 8
+# define MAD_BUFFER_MDLEN (511 + 2048 + MAD_BUFFER_GUARD)
+
+enum mad_error {
+ MAD_ERROR_NONE = 0x0000, /* no error */
+
+ MAD_ERROR_BUFLEN = 0x0001, /* input buffer too small (or EOF) */
+ MAD_ERROR_BUFPTR = 0x0002, /* invalid (null) buffer pointer */
+
+ MAD_ERROR_NOMEM = 0x0031, /* not enough memory */
+
+ MAD_ERROR_LOSTSYNC = 0x0101, /* lost synchronization */
+ MAD_ERROR_BADLAYER = 0x0102, /* reserved header layer value */
+ MAD_ERROR_BADBITRATE = 0x0103, /* forbidden bitrate value */
+ MAD_ERROR_BADSAMPLERATE = 0x0104, /* reserved sample frequency value */
+ MAD_ERROR_BADEMPHASIS = 0x0105, /* reserved emphasis value */
+
+ MAD_ERROR_BADCRC = 0x0201, /* CRC check failed */
+ MAD_ERROR_BADBITALLOC = 0x0211, /* forbidden bit allocation value */
+ MAD_ERROR_BADSCALEFACTOR = 0x0221, /* bad scalefactor index */
+ MAD_ERROR_BADFRAMELEN = 0x0231, /* bad frame length */
+ MAD_ERROR_BADBIGVALUES = 0x0232, /* bad big_values count */
+ MAD_ERROR_BADBLOCKTYPE = 0x0233, /* reserved block_type */
+ MAD_ERROR_BADSCFSI = 0x0234, /* bad scalefactor selection info */
+ MAD_ERROR_BADDATAPTR = 0x0235, /* bad main_data_begin pointer */
+ MAD_ERROR_BADPART3LEN = 0x0236, /* bad audio data length */
+ MAD_ERROR_BADHUFFTABLE = 0x0237, /* bad Huffman table select */
+ MAD_ERROR_BADHUFFDATA = 0x0238, /* Huffman data overrun */
+ MAD_ERROR_BADSTEREO = 0x0239 /* incompatible block_type for JS */
+};
+
+# define MAD_RECOVERABLE(error) ((error) & 0xff00)
+
+struct mad_stream {
+ unsigned char const *buffer; /* input bitstream buffer */
+ unsigned char const *bufend; /* end of buffer */
+ unsigned long skiplen; /* bytes to skip before next frame */
+
+ int sync; /* stream sync found */
+ unsigned long freerate; /* free bitrate (fixed) */
+
+ unsigned char const *this_frame; /* start of current frame */
+ unsigned char const *next_frame; /* start of next frame */
+ struct mad_bitptr ptr; /* current processing bit pointer */
+
+ struct mad_bitptr anc_ptr; /* ancillary bits pointer */
+ unsigned int anc_bitlen; /* number of ancillary bits */
+
+ unsigned char (*main_data)[MAD_BUFFER_MDLEN];
+ /* Layer III main_data() */
+ unsigned int md_len; /* bytes in main_data */
+
+ int options; /* decoding options (see below) */
+ enum mad_error error; /* error code (see above) */
+};
+
+enum {
+ MAD_OPTION_IGNORECRC = 0x0001, /* ignore CRC errors */
+ MAD_OPTION_HALFSAMPLERATE = 0x0002 /* generate PCM at 1/2 sample rate */
+# if 0 /* not yet implemented */
+ MAD_OPTION_LEFTCHANNEL = 0x0010, /* decode left channel only */
+ MAD_OPTION_RIGHTCHANNEL = 0x0020, /* decode right channel only */
+ MAD_OPTION_SINGLECHANNEL = 0x0030 /* combine channels */
+# endif
+};
+
+void mad_stream_init(struct mad_stream *);
+void mad_stream_finish(struct mad_stream *);
+
+# define mad_stream_options(stream, opts) \
+ ((void) ((stream)->options = (opts)))
+
+void mad_stream_buffer(struct mad_stream *,
+ unsigned char const *, unsigned long);
+void mad_stream_skip(struct mad_stream *, unsigned long);
+
+int mad_stream_sync(struct mad_stream *);
+
+char const *mad_stream_errorstr(struct mad_stream const *);
+
+# endif