config.h

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/*
 * Copyright (c) 2019 Roc Streaming authors
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
//! @file roc_sndio/config.h
//! @brief Sink and source config.
 
#ifndef ROC_SNDIO_CONFIG_H_
#define ROC_SNDIO_CONFIG_H_
 
#include "roc_audio/sample_spec.h"
#include "roc_core/stddefs.h"
#include "roc_core/time.h"
#include "roc_packet/units.h"
 
namespace roc {
namespace sndio {
 
//! Default frame length.
//!  10ms is rather high, but works well even on cheap sound cards and CPUs.
//!  Usually you can use much lower values.
const core::nanoseconds_t DefaultFrameLength = 10 * core::Millisecond;
 
//! Sink and source config.
struct Config {
    //! Sample spec
    audio::SampleSpec sample_spec;
 
    //! Duration of the internal frames, in nanoseconds.
    core::nanoseconds_t frame_length;
 
    //! Requested input or output latency.
    core::nanoseconds_t latency;
 
    //! Initialize.
    Config()
        : frame_length(DefaultFrameLength)
        , latency(0) {
    }
};
 
} // namespace sndio
} // namespace roc
 
#endif // ROC_SNDIO_CONFIG_H_