Musepack support, complete with mpc2wav plugin. Thanks go out to rasher for initiating the port.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6276 a1c6a512-1295-4272-9138-f99709370657

apps/codecs/libmusepack/reader.h

@@ -0,0 +1,73 @@
+/*
+  Copyright (c) 2005, 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 reader.h
+
+#ifndef _musepack_reader_h_
+#define _musepack_reader_h_
+
+/// \brief Stream reader interface structure.
+///
+/// This is the structure you must supply to the musepack decoding library
+/// to feed it with raw data.  Implement the five member functions to provide
+/// a functional reader.
+typedef struct mpc_reader_t {
+    /// Reads size bytes of data into buffer at ptr.
+	mpc_int32_t (*read)(void *t, void *ptr, mpc_int32_t size);
+
+    /// Seeks to byte position offset.
+	bool (*seek)(void *t, mpc_int32_t offset);
+
+    /// Returns the current byte offset in the stream.
+	mpc_int32_t (*tell)(void *t);
+
+    /// Returns the total length of the source stream, in bytes.
+	mpc_int32_t (*get_size)(void *t);
+
+    /// True if the stream is a seekable stream.
+	bool (*canseek)(void *t);
+
+    /// Optional field that can be used to identify a particular instance of
+    /// reader or carry along data associated with that reader.
+    void *data;
+} mpc_reader;
+
+/// Initializes reader with default stdio file reader implementation.  Use
+/// this if you're just reading from a plain file.
+///
+/// \param r reader struct to initalize
+/// \param input input stream to attach to the reader
+// void mpc_reader_setup_file_reader(mpc_reader *r, FILE *input);
+
+#endif // _musepack_reader_h_