/* * Copyright (c) 2015 Jiri Svoboda * 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. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ /** @addtogroup libriff * @{ */ /** * @file Waveform Audio File Format (WAVE) types. */ #ifndef RIFF_TYPES_WAVE_H #define RIFF_TYPES_WAVE_H #include <stdint.h> #include <types/riff/chunk.h> /** WAVE format chunk data * * Actual data structure in the RIFF file */ typedef struct { /** Format category */ uint16_t format_tag; /** Number of channels */ uint16_t channels; /** Sampling rate */ uint32_t smp_sec; /** For buffer estimation */ uint32_t avg_bytes_sec; /** Data block size */ uint16_t block_align; /** Bits per sample (PCM only) */ uint16_t bits_smp; } rwave_fmt_t; /** RIFF WAVE params * * Used by the API */ typedef struct { /** Number of channels */ int channels; /** Number of bits per sample */ int bits_smp; /** Sample frequency in Hz */ int smp_freq; } rwave_params_t; /** RIFF WAVE writer */ typedef struct { /** RIFF writer */ riffw_t *rw; /** Buffer size in bytes */ size_t bufsize; /** Conversion buffer */ void *buf; /** WAVE file parameters */ rwave_params_t params; /** RIFF WAVE chunk */ riff_wchunk_t wave; /** data chunk */ riff_wchunk_t data; } rwavew_t; /** RIFF WAVE reader */ typedef struct { /** RIFF reader */ riffr_t *rr; /** RIFF WAVE chunk */ riff_rchunk_t wave; /** data chunk */ riff_rchunk_t data; } rwaver_t; #endif /** @} */