/*

* Copyright (c) 2022 Omar Polo <op@openbsd.org>

*

* Permission to use, copy, modify, and distribute this software for any

* purpose with or without fee is hereby granted, provided that the above

* copyright notice and this permission notice appear in all copies.

*

* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

*/

#include <sys/types.h>

#include <sys/queue.h>

#include <sys/uio.h>

#include <err.h>

#include <event.h>

#include <fcntl.h>

#include <math.h>

#include <inttypes.h>

#include <limits.h>

#include <sndio.h>

#include <stdio.h>

#include <stdint.h>

#include <imsg.h>

#include <unistd.h>

#include <vorbis/codec.h>

#include <vorbis/vorbisfile.h>

#include "amused.h"

#include "log.h"

#ifndef nitems

#define nitems(x) (sizeof(x)/sizeof(x[0]))

#endif

void

play_oggvorbis(int fd)

{

static uint8_t pcmout[4096];

FILE *f;

OggVorbis_File vf;

vorbis_info *vi;

int current_section, eof = 0;

if ((f = fdopen(fd, "r")) == NULL)

err(1, "fdopen");

if (ov_open_callbacks(f, &vf, NULL, 0, OV_CALLBACKS_NOCLOSE) < 0) {

log_warnx("input is not an Ogg bitstream");

goto end;

}

/*

* we could extract some tags by looping over the NULL

* terminated array returned by ov_comment(&vf, -1), see

* previous revision of this file.

*/

vi = ov_info(&vf, -1);

if (player_setup(vi->rate, vi->channels) == -1)

err(1, "player_setrate");

while (!eof) {

long ret;

if (player_shouldstop())

break;

ret = ov_read(&vf, pcmout, sizeof(pcmout), 0, 2, 1,

&current_section);

if (ret == 0)

eof = 1;

else if (ret > 0) {

/* TODO: deal with sample rate changes */

sio_write(hdl, pcmout, ret);

}

}

ov_clear(&vf);

end:

fclose(f);

}