67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/*
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* Copyright (c) 2008 Jacob Meuser <jakemsr@sdf.lonestar.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "config.h"
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#include <sndio.h>
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#include "audio_in.h"
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#include "mp_msg.h"
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#include "help_mp.h"
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int ai_sndio_setup(audio_in_t *ai)
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{
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struct sio_par par;
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sio_initpar(&par);
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par.bits = 16;
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par.sig = 1;
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par.le = 1;
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par.rchan = ai->req_channels;
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par.rate = ai->req_samplerate;
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par.appbufsz = ai->req_samplerate; /* 1 sec */
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if (!sio_setpar(ai->sndio.hdl, &par) || !sio_getpar(ai->sndio.hdl, &par)) {
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mp_msg(MSGT_TV, MSGL_ERR, "could not configure sndio audio");
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return -1;
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}
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ai->channels = par.rchan;
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ai->samplerate = par.rate;
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ai->samplesize = par.bits;
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ai->bytes_per_sample = par.bps;
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ai->blocksize = par.round * par.bps;
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return 0;
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}
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int ai_sndio_init(audio_in_t *ai)
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{
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int err;
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if ((ai->sndio.hdl = sio_open(ai->sndio.device, SIO_REC, 0)) == NULL) {
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mp_msg(MSGT_TV, MSGL_ERR, "could not open sndio audio");
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return -1;
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}
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err = ai_sndio_setup(ai);
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return err;
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}
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