/*
* Original Copyright:
*
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.
*/
#ifndef _musepack_h_
#define _musepack_h_
typedef struct mpc_streaminfo {
/// @name core mpc stream properties
uint32_t sample_freq; ///< sample frequency of stream
uint32_t channels; ///< number of channels in stream
int32_t header_position; ///< byte offset of position of header in stream
uint32_t stream_version; ///< streamversion of stream
uint32_t bitrate; ///< bitrate of stream file (in bps)
double average_bitrate; ///< average bitrate of stream (in bits/sec)
uint32_t frames; ///< number of frames in stream
uint64_t pcm_samples;
uint32_t max_band; ///< maximum band-index used in stream (0...31)
uint32_t is; ///< intensity stereo (0: off, 1: on)
uint32_t ms; ///< mid/side stereo (0: off, 1: on)
uint32_t block_size; ///< only needed for SV4...SV6 -> not supported
uint32_t block_pwr; ///< Number of frames in a block = 2^block_pwr (sv8)
uint32_t profile; ///< quality profile of stream
float fprofile; ///< sv8 uses float profile
const char* profile_name; ///< name of profile used by stream
/// @name replaygain related fields
int16_t gain_title; ///< replaygain title value
int16_t gain_album; ///< replaygain album value
uint16_t peak_album; ///< peak album loudness level
uint16_t peak_title; ///< peak title loudness level
/// @name true gapless support data
uint32_t is_true_gapless; ///< true gapless? (0: no, 1: yes)
uint32_t last_frame_samples; ///< number of valid samples within last frame
uint64_t beg_silence; ///< Number of samples that must not be played at the beginning of the stream
uint32_t encoder_version; ///< version of encoder used
char encoder[256]; ///< encoder name
int32_t tag_offset; ///< offset to file tags
int32_t total_file_length; ///< total length of underlying file
Buffer *buf;
PerlIO *infile;
} mpc_streaminfo;
#endif