e53ca368a5
With these methods, an output plugin can allocate some global resources only if it is actually enabled. The method enable() is called after daemonization, which allows for more sophisticated resource allocation during that method.
75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/*
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* Copyright (C) 2003-2009 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_OUTPUT_CONTROL_H
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#define MPD_OUTPUT_CONTROL_H
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#include <glib.h>
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#include <stddef.h>
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#include <stdbool.h>
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struct audio_output;
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struct audio_format;
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struct config_param;
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struct music_pipe;
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static inline GQuark
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audio_output_quark(void)
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{
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return g_quark_from_static_string("audio_output");
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}
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bool
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audio_output_init(struct audio_output *ao, const struct config_param *param,
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GError **error_r);
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/**
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* Enables the device.
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*/
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void
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audio_output_enable(struct audio_output *ao);
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/**
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* Disables the device.
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*/
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void
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audio_output_disable(struct audio_output *ao);
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/**
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* Opens or closes the device, depending on the "enabled" flag.
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*
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* @return true if the device is open
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*/
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bool
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audio_output_update(struct audio_output *ao,
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const struct audio_format *audio_format,
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const struct music_pipe *mp);
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void
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audio_output_play(struct audio_output *ao);
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void audio_output_pause(struct audio_output *ao);
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void audio_output_cancel(struct audio_output *ao);
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void audio_output_close(struct audio_output *ao);
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void audio_output_finish(struct audio_output *ao);
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#endif
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