Split id3.c/h into metadata.c/h and metadata/mp3.c. Updated all references. Moved mp3data.c/h from firmware to apps.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18814 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 83 insertions, 0 deletions

diff --git a/apps/mp3data.h b/apps/mp3data.h
new file mode 100644
index 0000000000..2a6a27ac2d
--- /dev/null
+++ b/apps/mp3data.h
@@ -0,0 +1,83 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Linus Nielsen Feltzing
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _MP3DATA_H_
+#define _MP3DATA_H_
+
+#define MPEG_VERSION1   0
+#define MPEG_VERSION2   1
+#define MPEG_VERSION2_5 2
+
+struct mp3info {
+    /* Standard MP3 frame header fields */
+    int version;
+    int layer;
+    bool protection;
+    int bitrate;
+    long frequency;
+    int padding;
+    int channel_mode;
+    int mode_extension;
+    int emphasis;
+    int frame_size;   /* Frame size in bytes */
+    int frame_samples; /* Samples per frame */
+    int ft_num;       /* Numerator of frametime in milliseconds */
+    int ft_den;       /* Denominator of frametime in milliseconds */
+
+    bool is_vbr;      /* True if the file is VBR */
+    bool has_toc;     /* True if there is a VBR header in the file */
+    bool is_xing_vbr; /* True if the VBR header is of Xing type */
+    bool is_vbri_vbr; /* True if the VBR header is of VBRI type */
+    unsigned char toc[100];
+    unsigned long frame_count; /* Number of frames in the file (if VBR) */
+    unsigned long byte_count;  /* File size in bytes */
+    unsigned long file_time;   /* Length of the whole file in milliseconds */
+    unsigned long vbr_header_pos;
+    int enc_delay;    /* Encoder delay, fetched from LAME header */
+    int enc_padding;  /* Padded samples added to last frame. LAME header */
+};
+
+/* Xing header information */
+#define VBR_FRAMES_FLAG  0x01
+#define VBR_BYTES_FLAG   0x02
+#define VBR_TOC_FLAG     0x04
+#define VBR_QUALITY_FLAG 0x08
+
+#define MAX_XING_HEADER_SIZE 576
+
+unsigned long find_next_frame(int fd, long *offset, long max_offset,
+                              unsigned long last_header);
+unsigned long mem_find_next_frame(int startpos, long *offset, long max_offset,
+                                  unsigned long last_header);
+int get_mp3file_info(int fd, struct mp3info *info);
+int count_mp3_frames(int fd, int startpos, int filesize,
+                     void (*progressfunc)(int));
+int create_xing_header(int fd, long startpos, long filesize,
+                       unsigned char *buf, unsigned long num_frames,
+                       unsigned long rec_time, unsigned long header_template,
+                       void (*progressfunc)(int), bool generate_toc);
+
+extern unsigned long bytes2int(unsigned long b0,
+                               unsigned long b1,
+                               unsigned long b2,
+                               unsigned long b3);
+
+#endif