82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
/*
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* simpleaudio.h
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*
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* Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
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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 3 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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SIMPLEAUDIO_H
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#define SIMPLEAUDIO_H
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#include <sys/types.h>
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struct simpleaudio;
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typedef struct simpleaudio simpleaudio;
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/*
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* simpleaudio_open_source_XXXX() routines which return a (simpleaudio *)
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* are provided by the separate backend modules.
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*
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*/
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enum {
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SA_STREAM_PLAYBACK,
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SA_STREAM_RECORD,
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};
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simpleaudio *
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simpleaudio_open_stream_pulseaudio(
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// unsigned int rate, unsigned int channels,
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int sa_stream_direction,
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char *app_name, char *stream_name );
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simpleaudio *
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simpleaudio_open_stream_sndfile(
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int sa_stream_direction,
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char *path );
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/*
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* common simpleaudio_ API routines available to any backend:
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*/
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unsigned int
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simpleaudio_get_rate( simpleaudio *sa );
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unsigned int
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simpleaudio_get_channels( simpleaudio *sa );
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ssize_t
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simpleaudio_read( simpleaudio *sa, float *buf, size_t nframes );
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ssize_t
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simpleaudio_write( simpleaudio *sa, float *buf, size_t nframes );
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void
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simpleaudio_close( simpleaudio *sa );
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/*
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* simpleaudio tone generator
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*/
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void
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simpleaudio_tone_reset();
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void
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simpleaudio_tone(simpleaudio *sa_out, float tone_freq, size_t nsamples_dur);
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#endif
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