Suga koubou / Mbed 2 deprecated madplayer_lpc4088

MP3 Player. You can change fwd/rev speed and skip. see: http://mbed.org/users/okini3939/notebook/lpc4088_madplayer/

Dependencies:   I2SSlave SDFileSystem TLV320 mbed

madplayer/stream.h@0:8ba6230eefbd, 2014-02-18 (annotated)

Committer:
okini3939
Date:
Tue Feb 18 00:22:50 2014 +0000
Revision:
0:8ba6230eefbd
1st build

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okini3939 0:8ba6230eefbd 1 /*
okini3939 0:8ba6230eefbd 2 * libmad - MPEG audio decoder library
okini3939 0:8ba6230eefbd 3 * Copyright (C) 2000-2004 Underbit Technologies, Inc.
okini3939 0:8ba6230eefbd 4 *
okini3939 0:8ba6230eefbd 5 * This program is free software; you can redistribute it and/or modify
okini3939 0:8ba6230eefbd 6 * it under the terms of the GNU General Public License as published by
okini3939 0:8ba6230eefbd 7 * the Free Software Foundation; either version 2 of the License, or
okini3939 0:8ba6230eefbd 8 * (at your option) any later version.
okini3939 0:8ba6230eefbd 9 *
okini3939 0:8ba6230eefbd 10 * This program is distributed in the hope that it will be useful,
okini3939 0:8ba6230eefbd 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
okini3939 0:8ba6230eefbd 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
okini3939 0:8ba6230eefbd 13 * GNU General Public License for more details.
okini3939 0:8ba6230eefbd 14 *
okini3939 0:8ba6230eefbd 15 * You should have received a copy of the GNU General Public License
okini3939 0:8ba6230eefbd 16 * along with this program; if not, write to the Free Software
okini3939 0:8ba6230eefbd 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
okini3939 0:8ba6230eefbd 18 *
okini3939 0:8ba6230eefbd 19 * $Id: stream.h,v 1.1 2010/11/23 20:12:57 andy Exp $
okini3939 0:8ba6230eefbd 20 */
okini3939 0:8ba6230eefbd 21
okini3939 0:8ba6230eefbd 22 # ifndef LIBMAD_STREAM_H
okini3939 0:8ba6230eefbd 23 # define LIBMAD_STREAM_H
okini3939 0:8ba6230eefbd 24
okini3939 0:8ba6230eefbd 25 # include "bit.h"
okini3939 0:8ba6230eefbd 26
okini3939 0:8ba6230eefbd 27 # define MAD_BUFFER_GUARD 8
okini3939 0:8ba6230eefbd 28 # define MAD_BUFFER_MDLEN (511 + 2048 + MAD_BUFFER_GUARD)
okini3939 0:8ba6230eefbd 29
okini3939 0:8ba6230eefbd 30 enum mad_error {
okini3939 0:8ba6230eefbd 31 MAD_ERROR_NONE = 0x0000, /* no error */
okini3939 0:8ba6230eefbd 32
okini3939 0:8ba6230eefbd 33 MAD_ERROR_BUFLEN = 0x0001, /* input buffer too small (or EOF) */
okini3939 0:8ba6230eefbd 34 MAD_ERROR_BUFPTR = 0x0002, /* invalid (null) buffer pointer */
okini3939 0:8ba6230eefbd 35
okini3939 0:8ba6230eefbd 36 MAD_ERROR_NOMEM = 0x0031, /* not enough memory */
okini3939 0:8ba6230eefbd 37
okini3939 0:8ba6230eefbd 38 MAD_ERROR_LOSTSYNC = 0x0101, /* lost synchronization */
okini3939 0:8ba6230eefbd 39 MAD_ERROR_BADLAYER = 0x0102, /* reserved header layer value */
okini3939 0:8ba6230eefbd 40 MAD_ERROR_BADBITRATE = 0x0103, /* forbidden bitrate value */
okini3939 0:8ba6230eefbd 41 MAD_ERROR_BADSAMPLERATE = 0x0104, /* reserved sample frequency value */
okini3939 0:8ba6230eefbd 42 MAD_ERROR_BADEMPHASIS = 0x0105, /* reserved emphasis value */
okini3939 0:8ba6230eefbd 43
okini3939 0:8ba6230eefbd 44 MAD_ERROR_BADCRC = 0x0201, /* CRC check failed */
okini3939 0:8ba6230eefbd 45 MAD_ERROR_BADBITALLOC = 0x0211, /* forbidden bit allocation value */
okini3939 0:8ba6230eefbd 46 MAD_ERROR_BADSCALEFACTOR = 0x0221, /* bad scalefactor index */
okini3939 0:8ba6230eefbd 47 MAD_ERROR_BADMODE = 0x0222, /* bad bitrate/mode combination */
okini3939 0:8ba6230eefbd 48 MAD_ERROR_BADFRAMELEN = 0x0231, /* bad frame length */
okini3939 0:8ba6230eefbd 49 MAD_ERROR_BADBIGVALUES = 0x0232, /* bad big_values count */
okini3939 0:8ba6230eefbd 50 MAD_ERROR_BADBLOCKTYPE = 0x0233, /* reserved block_type */
okini3939 0:8ba6230eefbd 51 MAD_ERROR_BADSCFSI = 0x0234, /* bad scalefactor selection info */
okini3939 0:8ba6230eefbd 52 MAD_ERROR_BADDATAPTR = 0x0235, /* bad main_data_begin pointer */
okini3939 0:8ba6230eefbd 53 MAD_ERROR_BADPART3LEN = 0x0236, /* bad audio data length */
okini3939 0:8ba6230eefbd 54 MAD_ERROR_BADHUFFTABLE = 0x0237, /* bad Huffman table select */
okini3939 0:8ba6230eefbd 55 MAD_ERROR_BADHUFFDATA = 0x0238, /* Huffman data overrun */
okini3939 0:8ba6230eefbd 56 MAD_ERROR_BADSTEREO = 0x0239 /* incompatible block_type for JS */
okini3939 0:8ba6230eefbd 57 };
okini3939 0:8ba6230eefbd 58
okini3939 0:8ba6230eefbd 59 # define MAD_RECOVERABLE(error) ((error) & 0xff00)
okini3939 0:8ba6230eefbd 60
okini3939 0:8ba6230eefbd 61 struct mad_stream {
okini3939 0:8ba6230eefbd 62 unsigned char const *buffer; /* input bitstream buffer */
okini3939 0:8ba6230eefbd 63 unsigned char const *bufend; /* end of buffer */
okini3939 0:8ba6230eefbd 64 unsigned long skiplen; /* bytes to skip before next frame */
okini3939 0:8ba6230eefbd 65
okini3939 0:8ba6230eefbd 66 int sync; /* stream sync found */
okini3939 0:8ba6230eefbd 67 unsigned long freerate; /* free bitrate (fixed) */
okini3939 0:8ba6230eefbd 68
okini3939 0:8ba6230eefbd 69 unsigned char const *this_frame; /* start of current frame */
okini3939 0:8ba6230eefbd 70 unsigned char const *next_frame; /* start of next frame */
okini3939 0:8ba6230eefbd 71 struct mad_bitptr ptr; /* current processing bit pointer */
okini3939 0:8ba6230eefbd 72
okini3939 0:8ba6230eefbd 73 struct mad_bitptr anc_ptr; /* ancillary bits pointer */
okini3939 0:8ba6230eefbd 74 unsigned int anc_bitlen; /* number of ancillary bits */
okini3939 0:8ba6230eefbd 75
okini3939 0:8ba6230eefbd 76 unsigned char (*main_data)[MAD_BUFFER_MDLEN];
okini3939 0:8ba6230eefbd 77 /* Layer III main_data() */
okini3939 0:8ba6230eefbd 78 unsigned int md_len; /* bytes in main_data */
okini3939 0:8ba6230eefbd 79
okini3939 0:8ba6230eefbd 80 int options; /* decoding options (see below) */
okini3939 0:8ba6230eefbd 81 enum mad_error error; /* error code (see above) */
okini3939 0:8ba6230eefbd 82 };
okini3939 0:8ba6230eefbd 83
okini3939 0:8ba6230eefbd 84 enum {
okini3939 0:8ba6230eefbd 85 MAD_OPTION_IGNORECRC = 0x0001, /* ignore CRC errors */
okini3939 0:8ba6230eefbd 86 MAD_OPTION_HALFSAMPLERATE = 0x0002 /* generate PCM at 1/2 sample rate */
okini3939 0:8ba6230eefbd 87 # if 0 /* not yet implemented */
okini3939 0:8ba6230eefbd 88 MAD_OPTION_LEFTCHANNEL = 0x0010, /* decode left channel only */
okini3939 0:8ba6230eefbd 89 MAD_OPTION_RIGHTCHANNEL = 0x0020, /* decode right channel only */
okini3939 0:8ba6230eefbd 90 MAD_OPTION_SINGLECHANNEL = 0x0030 /* combine channels */
okini3939 0:8ba6230eefbd 91 # endif
okini3939 0:8ba6230eefbd 92 };
okini3939 0:8ba6230eefbd 93
okini3939 0:8ba6230eefbd 94 void mad_stream_init(struct mad_stream *);
okini3939 0:8ba6230eefbd 95 void mad_stream_finish(struct mad_stream *);
okini3939 0:8ba6230eefbd 96
okini3939 0:8ba6230eefbd 97 # define mad_stream_options(stream, opts) \
okini3939 0:8ba6230eefbd 98 ((void) ((stream)->options = (opts)))
okini3939 0:8ba6230eefbd 99
okini3939 0:8ba6230eefbd 100 void mad_stream_buffer(struct mad_stream *,
okini3939 0:8ba6230eefbd 101 unsigned char const *, unsigned long);
okini3939 0:8ba6230eefbd 102 void mad_stream_skip(struct mad_stream *, unsigned long);
okini3939 0:8ba6230eefbd 103
okini3939 0:8ba6230eefbd 104 int mad_stream_sync(struct mad_stream *);
okini3939 0:8ba6230eefbd 105
okini3939 0:8ba6230eefbd 106 char const *mad_stream_errorstr(struct mad_stream const *);
okini3939 0:8ba6230eefbd 107
okini3939 0:8ba6230eefbd 108 # endif