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-rw-r--r--src/libmusepack/idtag.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/src/libmusepack/idtag.c b/src/libmusepack/idtag.c
deleted file mode 100644
index 4b02b33f4..000000000
--- a/src/libmusepack/idtag.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- Copyright (c) 2004, The Musepack Development Team
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are
- met:
-
- * Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- * Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following
- disclaimer in the documentation and/or other materials provided
- with the distribution.
-
- * Neither the name of the The Musepack Development Team nor the
- names of its contributors may be used to endorse or promote
- products derived from this software without specific prior
- written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-/// \file idtag.c
-/// Rudimentary id3tag handling routines, just enough to skip id3v2 tags,
-/// if present.
-
-#include "musepack/musepack.h"
-#include "musepack/internal.h"
-
-mpc_int32_t
-JumpID3v2 (mpc_reader* r) {
- unsigned char tmp [10];
- mpc_uint32_t Unsynchronisation; // ID3v2.4-flag
- mpc_uint32_t ExtHeaderPresent; // ID3v2.4-flag
- mpc_uint32_t ExperimentalFlag; // ID3v2.4-flag
- mpc_uint32_t FooterPresent; // ID3v2.4-flag
- mpc_int32_t ret;
-
- // seek to first byte of mpc data
- if (!r->seek (r->data, 0)) {
- return 0;
- }
-
- r->read(r->data, tmp, sizeof(tmp));
-
- // check id3-tag
- if ( 0 != memcmp ( tmp, "ID3", 3) )
- return 0;
-
- // read flags
- Unsynchronisation = tmp[5] & 0x80;
- ExtHeaderPresent = tmp[5] & 0x40;
- ExperimentalFlag = tmp[5] & 0x20;
- FooterPresent = tmp[5] & 0x10;
-
- if ( tmp[5] & 0x0F )
- return -1; // not (yet???) allowed
- if ( (tmp[6] | tmp[7] | tmp[8] | tmp[9]) & 0x80 )
- return -1; // not allowed
-
- // read HeaderSize (syncsave: 4 * $0xxxxxxx = 28 significant bits)
- ret = tmp[6] << 21;
- ret += tmp[7] << 14;
- ret += tmp[8] << 7;
- ret += tmp[9] ;
- ret += 10;
- if ( FooterPresent )
- ret += 10;
-
- return ret;
-}