45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 by Michal Sevakis
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* Based on the work of Thom Johansen
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef SPDIF_H
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#define SPDIF_H
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#ifdef HAVE_SPDIF_POWER
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#define IF_SPDIF_POWER_(...) __VA_ARGS__
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#else
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#define IF_SPDIF_POWER_(...)
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#endif
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/* Initialize the S/PDIF driver */
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void spdif_init(void);
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/* Return the S/PDIF frequency in herz - unrounded */
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unsigned long spdif_measure_frequency(void);
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#ifdef HAVE_SPDIF_OUT
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/* Set the S/PDIF audio feed - Use AUDIO_SRC_* values -
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will be off if not powered or !on */
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void spdif_set_output_source(int source IF_SPDIF_POWER_(, bool on));
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/* Return the last set S/PDIF audio source - literally the last value passed
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to spdif_set_monitor regardless of power state */
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int spdif_get_output_source(bool *src_on);
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#endif /* HAVE_SPDIF_OUT */
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#endif /* SPDIF_H */
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