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arts.c

/* 
 * Copyright 2004-2005 Timo Hirvonen
 * 
 * This program 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.
 *
 * This program 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 "op.h"
#include "xmalloc.h"
#include "debug.h"

#include <artsc.h>

static arts_stream_t arts_stream;
static sample_format_t arts_sf;
static int arts_buffer_size;

static int op_arts_init(void)
{
      int rc;

      rc = arts_init();
      if (rc < 0) {
            return -1;
      }
      return 0;
}

static int op_arts_exit(void)
{
      arts_free();
      return 0;
}

static int op_arts_open(sample_format_t sf)
{
      int buffer_time, server_latency, total_latency;
      int blocking;

      arts_sf = sf;
      arts_stream = arts_play_stream(sf_get_rate(arts_sf), sf_get_bits(arts_sf),
                  sf_get_channels(arts_sf), "cmus");
      blocking = arts_stream_set(arts_stream, ARTS_P_BLOCKING, 0);
      if (blocking) {
      }
      arts_buffer_size = arts_stream_get(arts_stream, ARTS_P_BUFFER_SIZE);
      if (arts_buffer_size < 0) {
      }
      buffer_time = arts_stream_get(arts_stream, ARTS_P_BUFFER_TIME);
      server_latency = arts_stream_get(arts_stream, ARTS_P_SERVER_LATENCY);
      total_latency = arts_stream_get(arts_stream, ARTS_P_TOTAL_LATENCY);
      d_print("buffer_time: %d\n", buffer_time);
      d_print("server_latency: %d\n", server_latency);
      d_print("total_latency: %d\n", total_latency);
      return 0;
}

static int op_arts_close(void)
{
      arts_close_stream(arts_stream);
      return 0;
}

static int op_arts_write(const char *buffer, int count)
{
      int rc;

      rc = arts_write(arts_stream, buffer, count);
      if (rc < 0) {
            d_print("rc = %d, count = %d\n", rc, count);
            return -1;
      }
      return rc;
}

static int op_arts_pause(void)
{
      return 0;
}

static int op_arts_unpause(void)
{
      return 0;
}

static int op_arts_buffer_space(void)
{
      int space;

      space = arts_stream_get(arts_stream, ARTS_P_BUFFER_SPACE);
      if (space < 0)
            return -1;
      return space;
}

static int op_arts_set_option(int key, const char *val)
{
      return -OP_ERROR_NOT_OPTION;
}

static int op_arts_get_option(int key, char **val)
{
      return -OP_ERROR_NOT_OPTION;
}

const struct output_plugin_ops op_pcm_ops = {
      .init = op_arts_init,
      .exit = op_arts_exit,
      .open = op_arts_open,
      .close = op_arts_close,
      .write = op_arts_write,
      .pause = op_arts_pause,
      .unpause = op_arts_unpause,
      .buffer_space = op_arts_buffer_space,
      .set_option = op_arts_set_option,
      .get_option = op_arts_get_option
};

const char * const op_pcm_options[] = {
      NULL
};

const int op_priority = 2;

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