GODOT IS OPEN SOURCE

1 files changed, 94 insertions, 0 deletions

diff --git a/drivers/mpc/internal.h b/drivers/mpc/internal.h
new file mode 100644
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+++ b/drivers/mpc/internal.h
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+/*
+  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 internal.h
+/// Definitions and structures used only internally by the libmpcdec.
+#ifndef _MPCDEC_INTERNAL_H_
+#define _MPCDEC_INTERNAL_H_
+#ifdef WIN32
+#pragma once
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <mpc/mpcdec.h>
+
+/// Big/little endian 32 bit byte swapping routine.
+static mpc_inline
+mpc_uint32_t mpc_swap32(mpc_uint32_t val) {
+    return (((val & 0xFF000000) >> 24) | ((val & 0x00FF0000) >> 8)
+          | ((val & 0x0000FF00) <<  8) | ((val & 0x000000FF) << 24));
+}
+
+typedef struct mpc_block_t {
+	char key[2];	// block key
+	mpc_uint64_t size;	// block size minus the block header size
+} mpc_block;
+
+#define MAX_FRAME_SIZE 4352
+#define DEMUX_BUFFER_SIZE (65536 - MAX_FRAME_SIZE) // need some space as sand box
+
+struct mpc_demux_t {
+	mpc_reader * r;
+	mpc_decoder * d;
+	mpc_streaminfo si;
+
+	// buffer
+	mpc_uint8_t buffer[DEMUX_BUFFER_SIZE + MAX_FRAME_SIZE];
+	mpc_size_t bytes_total;
+	mpc_bits_reader bits_reader;
+	mpc_int32_t block_bits; /// bits remaining in current audio block
+	mpc_uint_t block_frames; /// frames remaining in current audio block
+
+	// seeking
+	mpc_seek_t * seek_table;
+	mpc_uint_t seek_pwr; /// distance between 2 frames in seek_table = 2^seek_pwr
+	mpc_uint32_t seek_table_size; /// used size in seek_table
+
+	// chapters
+	mpc_seek_t chap_pos; /// supposed position of the first chapter block
+	mpc_int_t chap_nb; /// number of chapters (-1 if unknown, 0 if no chapter)
+	mpc_chap_info * chap; /// chapters position and tag
+
+};
+
+/// helper functions used by multiple files
+mpc_uint32_t mpc_random_int(mpc_decoder *d); // in synth_filter.c
+void mpc_decoder_init_quant(mpc_decoder *d, double scale_factor);
+void mpc_decoder_synthese_filter_float(mpc_decoder *d, MPC_SAMPLE_FORMAT* OutData, mpc_int_t channels);
+
+#ifdef __cplusplus
+}
+#endif
+#endif