Add codecs to librbcodec.

Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>

lib/rbcodec/codecs/libmusepack/reader.h

@@ -0,0 +1,100 @@
+/*
+  Copyright (c) 2005-2009, 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 _MPCDEC_READER_H_
+#define _MPCDEC_READER_H_
+#ifdef WIN32
+#pragma once
+#endif
+
+#include "mpc_types.h"
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/// \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 mpc_reader;
+struct mpc_reader_t {
+    /// Reads size bytes of data into buffer at ptr.
+    mpc_int32_t (*read)(mpc_reader *p_reader, void *ptr, mpc_int32_t size);
+
+    /// Seeks to byte position offset.
+    mpc_bool_t (*seek)(mpc_reader *p_reader, mpc_int32_t offset);
+
+    /// Returns the current byte offset in the stream.
+    mpc_int32_t (*tell)(mpc_reader *p_reader);
+
+    /// Returns the total length of the source stream, in bytes.
+    mpc_int32_t (*get_size)(mpc_reader *p_reader);
+
+    /* rockbox: not used
+    /// True if the stream is a seekable stream.
+    mpc_bool_t (*canseek)(mpc_reader *p_reader);
+
+    /// Field that can be used to identify a particular instance of
+    /// reader or carry along data associated with that reader.
+    void *data;
+    */
+};
+/* rockbox: not used
+/// Initializes reader with default stdio file reader implementation.  Use
+/// this if you're just reading from a plain file.
+///
+/// \param r p_reader handle to initialize
+/// \param filename input filename to attach to the reader
+MPC_API mpc_status mpc_reader_init_stdio(mpc_reader *p_reader, const char *filename);
+
+/// Initializes reader with default stdio file reader implementation.  Use
+/// this if you prefer to open the file yourself.
+///
+/// \param r p_reader handle to initialize
+/// \param p_file input file handle (already open)
+MPC_API mpc_status mpc_reader_init_stdio_stream(mpc_reader * p_reader, FILE * p_file);
+
+/// Release reader with default stdio file reader implementation.
+///
+/// \param r reader handle to release
+MPC_API void mpc_reader_exit_stdio(mpc_reader *p_reader);
+*/
+#ifdef __cplusplus
+}
+#endif
+#endif