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include
mpc
mpcdec.h
Go to the documentation of this file.
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/*
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Copyright (c) 2005-2009, The Musepack Development Team
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of the The Musepack Development Team nor the
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names of its contributors may be used to endorse or promote
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products derived from this software without specific prior
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written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MPCDEC_H_
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#define _MPCDEC_H_
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#ifdef WIN32
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#pragma once
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#endif
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#include "
reader.h
"
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#include "
streaminfo.h
"
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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enum
{
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MPC_FRAME_LENGTH
= (36 * 32),
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MPC_DECODER_BUFFER_LENGTH
= (
MPC_FRAME_LENGTH
* 4),
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MPC_DECODER_SYNTH_DELAY = 481
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};
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typedef
struct
mpc_decoder_t mpc_decoder;
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typedef
struct
mpc_demux_t mpc_demux;
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typedef
struct
mpc_bits_reader_t
{
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unsigned
char
* buff;
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unsigned
int
count
;
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}
mpc_bits_reader
;
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typedef
struct
mpc_frame_info_t
{
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mpc_uint32_t samples;
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mpc_int32_t
bits
;
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MPC_SAMPLE_FORMAT *
buffer
;
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mpc_bool_t
is_key_frame
;
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}
mpc_frame_info
;
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typedef
struct
mpc_chap_info_t
{
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mpc_uint64_t sample;
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mpc_uint16_t
gain
;
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mpc_uint16_t
peak
;
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mpc_uint_t
tag_size
;
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char
*
tag
;
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}
mpc_chap_info
;
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MPC_API mpc_decoder *
mpc_decoder_init
(
mpc_streaminfo
*si);
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MPC_API
void
mpc_decoder_exit
(mpc_decoder *p_dec);
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MPC_API
void
mpc_decoder_scale_output
(mpc_decoder *p_dec,
double
scale_factor);
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MPC_API
void
mpc_decoder_decode_frame(mpc_decoder * d,
mpc_bits_reader
* r,
mpc_frame_info
* i);
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// This is the gain reference used in old replaygain
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#define MPC_OLD_GAIN_REF 64.82
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MPC_API mpc_demux *
mpc_demux_init
(
mpc_reader
* p_reader);
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MPC_API
void
mpc_demux_exit
(mpc_demux * d);
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MPC_API
void
mpc_set_replay_level
(mpc_demux * d,
float
level, mpc_bool_t use_gain,
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mpc_bool_t use_title, mpc_bool_t clip_prevention);
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MPC_API mpc_status
mpc_demux_decode
(mpc_demux * d,
mpc_frame_info
* i);
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MPC_API
void
mpc_demux_get_info
(mpc_demux * d,
mpc_streaminfo
* i);
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MPC_API mpc_status
mpc_demux_seek_sample
(mpc_demux * d, mpc_uint64_t destsample);
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MPC_API mpc_status
mpc_demux_seek_second
(mpc_demux * d,
double
seconds);
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MPC_API mpc_seek_t
mpc_demux_pos
(mpc_demux * d);
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MPC_API mpc_int_t
mpc_demux_chap_nb
(mpc_demux * d);
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MPC_API
mpc_chap_info
const
*
mpc_demux_chap
(mpc_demux * d,
int
chap_nb);
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#ifdef __cplusplus
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}
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#endif
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#endif
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