Fix test_boost boost handling. Also show the number of loops per second.
[kugel-rb.git] / apps / mp3data.h
blob2a6a27ac2dffe27fd46bf9413d85d030b35192e8
1 /***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
10 * Copyright (C) 2002 by Linus Nielsen Feltzing
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
22 #ifndef _MP3DATA_H_
23 #define _MP3DATA_H_
25 #define MPEG_VERSION1 0
26 #define MPEG_VERSION2 1
27 #define MPEG_VERSION2_5 2
29 struct mp3info {
30 /* Standard MP3 frame header fields */
31 int version;
32 int layer;
33 bool protection;
34 int bitrate;
35 long frequency;
36 int padding;
37 int channel_mode;
38 int mode_extension;
39 int emphasis;
40 int frame_size; /* Frame size in bytes */
41 int frame_samples; /* Samples per frame */
42 int ft_num; /* Numerator of frametime in milliseconds */
43 int ft_den; /* Denominator of frametime in milliseconds */
45 bool is_vbr; /* True if the file is VBR */
46 bool has_toc; /* True if there is a VBR header in the file */
47 bool is_xing_vbr; /* True if the VBR header is of Xing type */
48 bool is_vbri_vbr; /* True if the VBR header is of VBRI type */
49 unsigned char toc[100];
50 unsigned long frame_count; /* Number of frames in the file (if VBR) */
51 unsigned long byte_count; /* File size in bytes */
52 unsigned long file_time; /* Length of the whole file in milliseconds */
53 unsigned long vbr_header_pos;
54 int enc_delay; /* Encoder delay, fetched from LAME header */
55 int enc_padding; /* Padded samples added to last frame. LAME header */
58 /* Xing header information */
59 #define VBR_FRAMES_FLAG 0x01
60 #define VBR_BYTES_FLAG 0x02
61 #define VBR_TOC_FLAG 0x04
62 #define VBR_QUALITY_FLAG 0x08
64 #define MAX_XING_HEADER_SIZE 576
66 unsigned long find_next_frame(int fd, long *offset, long max_offset,
67 unsigned long last_header);
68 unsigned long mem_find_next_frame(int startpos, long *offset, long max_offset,
69 unsigned long last_header);
70 int get_mp3file_info(int fd, struct mp3info *info);
71 int count_mp3_frames(int fd, int startpos, int filesize,
72 void (*progressfunc)(int));
73 int create_xing_header(int fd, long startpos, long filesize,
74 unsigned char *buf, unsigned long num_frames,
75 unsigned long rec_time, unsigned long header_template,
76 void (*progressfunc)(int), bool generate_toc);
78 extern unsigned long bytes2int(unsigned long b0,
79 unsigned long b1,
80 unsigned long b2,
81 unsigned long b3);
83 #endif