53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/*
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* Copyright 2003-2021 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_ALSA_HW_SETUP_HXX
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#define MPD_ALSA_HW_SETUP_HXX
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#include "pcm/Export.hxx"
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#include <alsa/asoundlib.h>
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struct AudioFormat;
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namespace Alsa {
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struct HwResult {
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snd_pcm_format_t format;
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snd_pcm_uframes_t buffer_size, period_size;
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};
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/**
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* Wrapper for snd_pcm_hw_params().
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*
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* @param buffer_time the configured buffer time, or 0 if not configured
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* @param period_time the configured period time, or 0 if not configured
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* @param audio_format an #AudioFormat to be configured (or modified)
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* by this function
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* @param params to be modified by this function
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*/
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HwResult
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SetupHw(snd_pcm_t *pcm,
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unsigned buffer_time, unsigned period_time,
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AudioFormat &audio_format, PcmExport::Params ¶ms);
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} // namespace Alsa
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#endif
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