/*

* 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/mman.h>

#include <sys/stat.h>

#include <sys/types.h>

#include <sys/queue.h>

#include <sys/uio.h>

#include <err.h>

#include <event.h>

#include <limits.h>

#include <sndio.h>

#include <imsg.h>

#include <unistd.h>

#include <mpg123.h>

#include "amused.h"

#include "log.h"

static int

setup(mpg123_handle *mh)

{

long rate;

int chan, enc;

if (mpg123_getformat(mh, &rate, &chan, &enc) != MPG123_OK) {

log_warnx("mpg123_getformat failed");

return 0;

}

if (player_setup(mpg123_encsize(enc) * 8, rate, chan) == -1)

err(1, "player_setrate");

return 1;

}

void

play_mp3(int fd)

{

static char buf[4096];

size_t len;

mpg123_handle *mh;

int err;

if ((mh = mpg123_new(NULL, NULL)) == NULL)

fatal("mpg123_new");

if (mpg123_open_fd(mh, fd) != MPG123_OK) {

log_warnx("mpg123_open_fd failed");

close(fd);

return;

}

if (!setup(mh))

goto done;

for (;;) {

err = mpg123_read(mh, buf, sizeof(buf), &len);

switch (err) {

case MPG123_DONE:

goto done;

case MPG123_NEW_FORMAT:

if (!setup(mh))

goto done;

break;

case MPG123_OK:

if (!play(buf, len))

goto done;

break;

default:

log_warnx("error %d decoding mp3", err);

goto done;

}

}

done:

mpg123_delete(mh);

close(fd);

}