87 lines
3.9 KiB
C
87 lines
3.9 KiB
C
/*
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Copyright (c) 2005, 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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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_streaminfo_off_t header_position; ///< byte offset of position of header 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 frames; ///< number of frames in stream
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mpc_int64_t pcm_samples;
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mpc_uint32_t max_band; ///< maximum band-index used in stream (0...31)
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mpc_uint32_t is; ///< intensity stereo (0: off, 1: on)
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mpc_uint32_t ms; ///< mid/side stereo (0: off, 1: on)
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mpc_uint32_t block_size; ///< only needed for SV4...SV6 -> not supported
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mpc_uint32_t 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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/// @name replaygain related fields
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//@{
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mpc_int16_t gain_title; ///< replaygain title value
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mpc_int16_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 support data
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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_uint32_t last_frame_samples; ///< number of valid samples within last frame
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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_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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//@}
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} mpc_streaminfo;
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#endif // _mpcdec_streaminfo_h_
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