110 lines
4.4 KiB
C
110 lines
4.4 KiB
C
/*
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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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/// \file streaminfo.h
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#ifndef _MPCDEC_STREAMINFO_H_
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#define _MPCDEC_STREAMINFO_H_
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#ifdef WIN32
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#pragma once
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#endif
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#include <mpc/mpc_types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef mpc_int32_t mpc_streaminfo_off_t;
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/// \brief mpc stream properties structure
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///
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/// Structure containing all the properties of an mpc stream. Populated
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/// by the streaminfo_read function.
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typedef struct mpc_streaminfo {
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/// @name Core mpc stream properties
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//@{
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mpc_uint32_t sample_freq; ///< Sample frequency of stream
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mpc_uint32_t channels; ///< Number of channels in stream
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mpc_uint32_t stream_version; ///< Streamversion of stream
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mpc_uint32_t bitrate; ///< Bitrate of stream file (in bps)
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double average_bitrate; ///< Average bitrate of stream (in bits/sec)
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mpc_uint32_t max_band; ///< Maximum band-index used in stream (0...31)
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mpc_uint32_t ms; ///< Mid/side stereo (0: off, 1: on)
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mpc_uint32_t fast_seek; ///< True if stream supports fast-seeking (sv7)
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mpc_uint32_t block_pwr; ///< Number of frames in a block = 2^block_pwr (sv8)
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//@}
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/// @name Replaygain properties
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//@{
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mpc_uint16_t gain_title; ///< Replaygain title value
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mpc_uint16_t gain_album; ///< Replaygain album value
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mpc_uint16_t peak_album; ///< Peak album loudness level
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mpc_uint16_t peak_title; ///< Peak title loudness level
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//@}
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/// @name True gapless properties
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//@{
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mpc_uint32_t is_true_gapless; ///< True gapless? (0: no, 1: yes)
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mpc_uint64_t samples; ///< Number of samples in the stream
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mpc_uint64_t beg_silence; ///< Number of samples that must not be played at the beginning of the stream
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//@}
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/// @name Encoder informations
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//@{
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mpc_uint32_t encoder_version; ///< Version of encoder used
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char encoder[256]; ///< Encoder name
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mpc_bool_t pns; ///< pns used
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float profile; ///< Quality profile of stream
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const char* profile_name; ///< Name of profile used by stream
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//@}
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mpc_streaminfo_off_t header_position; ///< Byte offset of position of header in stream
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mpc_streaminfo_off_t tag_offset; ///< Offset to file tags
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mpc_streaminfo_off_t total_file_length; ///< Total length of underlying file
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} mpc_streaminfo;
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/// Gets length of stream si, in seconds.
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/// \return length of stream in seconds
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MPC_API double mpc_streaminfo_get_length(mpc_streaminfo *si);
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/// Returns length of stream si, in samples.
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/// \return length of stream in samples
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MPC_API mpc_int64_t mpc_streaminfo_get_length_samples(mpc_streaminfo *si);
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#ifdef __cplusplus
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}
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#endif
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#endif
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