- Move ID3 parsing code to id3.h/id3.c

- Add ID3v2.3 parser
ID3v2.4 is not done yet.

CVS patchset: 5863
CVS date: 2003/12/07 23:05:41

1 files changed, 104 insertions, 0 deletions

diff --git a/src/demuxers/id3.h b/src/demuxers/id3.h
new file mode 100644
index 000000000..09fc950b0
--- /dev/null
+++ b/src/demuxers/id3.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2000-2003 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine 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.
+ *
+ * xine 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
+ *
+ * ID3 tag parser
+ *
+ * Supported versions: v1, v2.2
+ * TODO: v2.3, v2.4
+ *
+ * $Id: id3.h,v 1.1 2003/12/07 23:05:41 tmattern Exp $
+ */
+
+#ifndef ID3_H
+#define ID3_H
+
+#include "xine_internal.h"
+#include "xineutils.h"
+#include "bswap.h"
+
+/* id3v2 */
+#define FOURCC_TAG BE_FOURCC
+#define ID3V22_TAG FOURCC_TAG('I', 'D', '3', 2)  /* id3 v2.2 tags */
+#define ID3V23_TAG FOURCC_TAG('I', 'D', '3', 3)  /* id3 v2.3 tags */
+#define ID3V24_TAG FOURCC_TAG('I', 'D', '3', 4)  /* id3 v2.4 tags */
+
+/* id2v2.2 */
+#define ID3V22_FRAME_HEADER_SIZE       6
+#define ID3V22_UNSYNCH_FLAG       0x8000
+#define ID3V22_COMPRESS_FLAG      0x4000
+
+/* id2v2.3 */
+#define ID3V23_FRAME_HEADER_SIZE      10
+#define ID3V23_UNSYNCH_FLAG       0x8000
+#define ID3V23_EXTHEAD_FLAG       0x4000
+#define ID3V23_EXP_FLAG           0x2000
+
+/* id2v2.4 */
+#define ID3V24_FRAME_HEADER_SIZE      10
+#define ID3V24_UNSYNCH_FLAG       0x8000
+#define ID3V24_EXTHEAD_FLAG       0x4000
+#define ID3V24_EXP_FLAG           0x2000
+#define ID3V24_FOOTER_FLAG        0x1000
+
+typedef struct {
+  uint32_t  id;
+  uint8_t   revision;
+  uint8_t   flags;
+  uint32_t  size;
+} id3v2_header_t;
+
+typedef struct {
+  uint32_t  id;
+  uint32_t  size;
+} id3v22_frame_header_t;
+
+typedef struct {
+  uint32_t  id;
+  uint32_t  size;
+  uint16_t  flags;
+} id3v23_frame_header_t;
+
+typedef struct {
+  uint32_t  size;
+  uint16_t  flags;
+  uint32_t  padding_size;
+  uint32_t  crc;
+} id3v23_frame_ext_header_t;
+
+typedef struct {
+  char tag[3];
+  char title[30];
+  char artist[30];
+  char album[30];
+  char year[4];
+  char comment[30];
+  char genre;
+} id3v1_tag_t;
+
+int id3v1_parse_tag (input_plugin_t *input, xine_stream_t *stream);
+
+int id3v22_parse_tag(input_plugin_t *input,
+                     xine_stream_t *stream,
+                     int8_t *mp3_frame_header);
+
+int id3v23_parse_tag(input_plugin_t *input,
+                     xine_stream_t *stream,
+                     int8_t *mp3_frame_header);
+
+#endif /* ID3_H */