add more build controls

[goodguy/history.git] / cinelerra-5.1 / libzmpeg3 / a52dec-0.7.3 / libao / audio_out_oss.c

diff --git a/cinelerra-5.1/libzmpeg3/a52dec-0.7.3/libao/audio_out_oss.c b/cinelerra-5.1/libzmpeg3/a52dec-0.7.3/libao/audio_out_oss.c
deleted file mode 100644 (file)
index 3247a2d..0000000
--- a/cinelerra-5.1/libzmpeg3/a52dec-0.7.3/libao/audio_out_oss.c
+++ /dev/null
@@ -1,194 +0,0 @@
-/*
- * audio_out_oss.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_OSS
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/ioctl.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <inttypes.h>
-
-#if defined(__OpenBSD__)
-#include <soundcard.h>
-#elif defined(__FreeBSD__)
-#include <machine/soundcard.h>
-#ifndef AFMT_S16_NE
-#include <machine/endian.h>
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define AFMT_S16_NE AFMT_S16_LE
-#else
-#define AFMT_S16_NE AFMT_S16_BE
-#endif
-#endif
-#else
-#include <sys/soundcard.h>
-#endif
-
-#include "a52.h"
-#include "audio_out.h"
-#include "audio_out_internal.h"
-
-typedef struct oss_instance_s {
-    ao_instance_t ao;
-    int fd;
-    int sample_rate;
-    int set_params;
-    int flags;
-} oss_instance_t;
-
-int oss_setup (ao_instance_t * _instance, int sample_rate, int * flags,
-              sample_t * level, sample_t * bias)
-{
-    oss_instance_t * instance = (oss_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 oss_play (ao_instance_t * _instance, int flags, sample_t * _samples)
-{
-    oss_instance_t * instance = (oss_instance_t *) _instance;
-    int16_t int16_samples[256*6];
-    int chans = -1;
-
-#ifdef LIBA52_DOUBLE
-    float samples[256 * 6];
-    int i;
-
-    for (i = 0; i < 256 * 6; i++)
-       samples[i] = _samples[i];
-#else
-    float * samples = _samples;
-#endif
-
-    chans = channels_multi (flags);
-    flags &= A52_CHANNEL_MASK | A52_LFE;
-
-    if (instance->set_params) {
-       int tmp;
-
-       tmp = chans;
-       if ((ioctl (instance->fd, SNDCTL_DSP_CHANNELS, &tmp) < 0) ||
-           (tmp != chans)) {
-           fprintf (stderr, "Can not set number of channels\n");
-           return 1;
-       }
-
-       tmp = instance->sample_rate;
-       if ((ioctl (instance->fd, SNDCTL_DSP_SPEED, &tmp) < 0) ||
-           (tmp != instance->sample_rate)) {
-           fprintf (stderr, "Can not set sample rate\n");
-           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_multi (samples, int16_samples, flags);
-    write (instance->fd, int16_samples, 256 * sizeof (int16_t) * chans);
-
-    return 0;
-}
-
-void oss_close (ao_instance_t * _instance)
-{
-    oss_instance_t * instance = (oss_instance_t *) _instance;
-
-    close (instance->fd);
-}
-
-ao_instance_t * oss_open (int flags)
-{
-    oss_instance_t * instance;
-    int format;
-
-    instance = malloc (sizeof (oss_instance_t));
-    if (instance == NULL)
-       return NULL;
-
-    instance->ao.setup = oss_setup;
-    instance->ao.play = oss_play;
-    instance->ao.close = oss_close;
-
-    instance->sample_rate = 0;
-    instance->set_params = 1;
-    instance->flags = flags;
-
-    instance->fd = open ("/dev/dsp", O_WRONLY);
-    if (instance->fd < 0) {
-       fprintf (stderr, "Can not open /dev/dsp\n");
-       free (instance);
-       return NULL;
-    }
-
-    format = AFMT_S16_NE;
-    if ((ioctl (instance->fd, SNDCTL_DSP_SETFMT, &format) < 0) ||
-       (format != AFMT_S16_NE)) {
-       fprintf (stderr, "Can not set sample format\n");
-       free (instance);
-       return NULL;
-    }
-
-    return (ao_instance_t *) instance;
-}
-
-ao_instance_t * ao_oss_open (void)
-{
-    return oss_open (A52_STEREO);
-}
-
-ao_instance_t * ao_ossdolby_open (void)
-{
-    return oss_open (A52_DOLBY);
-}
-
-ao_instance_t * ao_oss4_open (void)
-{
-    return oss_open (A52_2F2R);
-}
-
-ao_instance_t * ao_oss6_open (void)
-{
-    return oss_open (A52_3F2R | A52_LFE);
-}
-
-#endif