+++ /dev/null
-/*
- * audio_out_solaris.c
- * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
- * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- *
- * This file is part of a52dec, a free ATSC A-52 stream decoder.
- * See http://liba52.sourceforge.net/ for updates.
- *
- * a52dec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * a52dec is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "config.h"
-
-#ifdef LIBAO_SOLARIS
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/ioctl.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/audioio.h>
-#include <inttypes.h>
-
-#include "a52.h"
-#include "audio_out.h"
-#include "audio_out_internal.h"
-
-typedef struct solaris_instance_s {
- ao_instance_t ao;
- int fd;
- int sample_rate;
- int set_params;
- int flags;
-} solaris_instance_t;
-
-int solaris_setup (ao_instance_t * _instance, int sample_rate, int * flags,
- sample_t * level, sample_t * bias)
-{
- solaris_instance_t * instance = (solaris_instance_t *) _instance;
-
- if ((instance->set_params == 0) && (instance->sample_rate != sample_rate))
- return 1;
- instance->sample_rate = sample_rate;
-
- *flags = instance->flags;
- *level = 1;
- *bias = 384;
-
- return 0;
-}
-
-int solaris_play (ao_instance_t * _instance, int flags, sample_t * _samples)
-{
- solaris_instance_t * instance = (solaris_instance_t *) _instance;
- int16_t int16_samples[256*2];
-
-#ifdef LIBA52_DOUBLE
- float samples[256 * 2];
- int i;
-
- for (i = 0; i < 256 * 2; i++)
- samples[i] = _samples[i];
-#else
- float * samples = _samples;
-#endif
-
- if (instance->set_params) {
- audio_info_t info;
-
- /* Setup our parameters */
- AUDIO_INITINFO (&info);
- info.play.sample_rate = instance->sample_rate;
- info.play.precision = 16;
- info.play.channels = 2;
- info.play.encoding = AUDIO_ENCODING_LINEAR;
-
- /* Write our configuration */
- /* An implicit GETINFO is also performed. */
- if (ioctl (instance->fd, AUDIO_SETINFO, &info) < 0) {
- perror ("Writing audio config block");
- return 1;
- }
-
- if ((info.play.sample_rate != instance->sample_rate) ||
- (info.play.precision != 16) || (info.play.channels != 2)) {
- fprintf (stderr, "Wanted %dHz %d bits %d channels\n",
- instance->sample_rate, 16, 2);
- fprintf (stderr, "Got %dHz %d bits %d channels\n",
- info.play.sample_rate, info.play.precision,
- info.play.channels);
- return 1;
- }
-
- instance->flags = flags;
- instance->set_params = 0;
- } else if ((flags == A52_DOLBY) && (instance->flags == A52_STEREO)) {
- fprintf (stderr, "Switching from stereo to dolby surround\n");
- instance->flags = A52_DOLBY;
- } else if ((flags == A52_STEREO) && (instance->flags == A52_DOLBY)) {
- fprintf (stderr, "Switching from dolby surround to stereo\n");
- instance->flags = A52_STEREO;
- } else if (flags != instance->flags)
- return 1;
-
- float2s16_2 (samples, int16_samples);
- write (instance->fd, int16_samples, 256 * sizeof (int16_t) * 2);
-
- return 0;
-}
-
-void solaris_close (ao_instance_t * _instance)
-{
- solaris_instance_t * instance = (solaris_instance_t *) _instance;
-
- close (instance->fd);
-}
-
-ao_instance_t * solaris_open (int flags)
-{
- solaris_instance_t * instance;
-
- instance = malloc (sizeof (solaris_instance_t));
- if (instance == NULL)
- return NULL;
-
- instance->ao.setup = solaris_setup;
- instance->ao.play = solaris_play;
- instance->ao.close = solaris_close;
-
- instance->sample_rate = 0;
- instance->set_params = 1;
- instance->flags = flags;
-
- instance->fd = open ("/dev/audio", O_WRONLY);
- if (instance->fd < 0) {
- fprintf (stderr, "Can not open /dev/audio\n");
- free (instance);
- return NULL;
- }
-
- return (ao_instance_t *) instance;
-}
-
-ao_instance_t * ao_solaris_open (void)
-{
- return solaris_open (A52_STEREO);
-}
-
-ao_instance_t * ao_solarisdolby_open (void)
-{
- return solaris_open (A52_DOLBY);
-}
-
-#endif