Blame libao/audio_out_float.c

Packit 64f477
/*
Packit 64f477
 * audio_out_float.c
Packit 64f477
 * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
Packit 64f477
 * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
Packit 64f477
 *
Packit 64f477
 * This file is part of a52dec, a free ATSC A-52 stream decoder.
Packit 64f477
 * See http://liba52.sourceforge.net/ for updates.
Packit 64f477
 *
Packit 64f477
 * a52dec is free software; you can redistribute it and/or modify
Packit 64f477
 * it under the terms of the GNU General Public License as published by
Packit 64f477
 * the Free Software Foundation; either version 2 of the License, or
Packit 64f477
 * (at your option) any later version.
Packit 64f477
 *
Packit 64f477
 * a52dec is distributed in the hope that it will be useful,
Packit 64f477
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Packit 64f477
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Packit 64f477
 * GNU General Public License for more details.
Packit 64f477
 *
Packit 64f477
 * You should have received a copy of the GNU General Public License
Packit 64f477
 * along with this program; if not, write to the Free Software
Packit 64f477
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
Packit 64f477
 */
Packit 64f477
Packit 64f477
#include "config.h"
Packit 64f477
Packit 64f477
#include <stdio.h>
Packit 64f477
#include <inttypes.h>
Packit 64f477
Packit 64f477
#include "a52.h"
Packit 64f477
#include "audio_out.h"
Packit 64f477
Packit 64f477
static int float_setup (ao_instance_t * instance, int sample_rate, int * flags,
Packit 64f477
			sample_t * level, sample_t * bias)
Packit 64f477
{
Packit 64f477
    *flags = A52_STEREO;
Packit 64f477
    *level = 1;
Packit 64f477
    *bias = 0;
Packit 64f477
Packit 64f477
    return 0;
Packit 64f477
}
Packit 64f477
Packit 64f477
static int float_play (ao_instance_t * instance, int flags,
Packit 64f477
		       sample_t * _samples)
Packit 64f477
{
Packit 64f477
#ifdef LIBA52_DOUBLE
Packit 64f477
    float samples[256 * 2];
Packit 64f477
    int i;
Packit 64f477
Packit 64f477
    for (i = 0; i < 256 * 2; i++)
Packit 64f477
	samples[i] = _samples[i];
Packit 64f477
#else
Packit 64f477
    float * samples = _samples;
Packit 64f477
#endif
Packit 64f477
Packit 64f477
    fwrite (samples, sizeof (float), 256 * 2, stdout);
Packit 64f477
Packit 64f477
    return 0;
Packit 64f477
}
Packit 64f477
Packit 64f477
static void float_close (ao_instance_t * instance)
Packit 64f477
{
Packit 64f477
}
Packit 64f477
Packit 64f477
static ao_instance_t instance = {float_setup, float_play, float_close};
Packit 64f477
Packit 64f477
ao_instance_t * ao_float_open (void)
Packit 64f477
{
Packit 64f477
    return &instance;
Packit 64f477
}