text: /* libmpdclient
     (c) 2003-2019 The Music Player Daemon Project
     This project's homepage is: http://www.musicpd.org
  
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
     are met:
  
     - Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
  
     - Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
  
     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  
  #include <mpd/output.h>
  #include <mpd/send.h>
  #include <mpd/recv.h>
  #include <mpd/response.h>
  #include "internal.h"
  #include "isend.h"
  #include "run.h"
  
  bool
  mpd_send_outputs(struct mpd_connection *connection)
  {
  	return mpd_send_command(connection, "outputs", NULL);
  }
  
  struct mpd_output *
  mpd_recv_output(struct mpd_connection *connection)
  {
  	struct mpd_output *output;
  	struct mpd_pair *pair;
  
  	pair = mpd_recv_pair_named(connection, "outputid");
  	if (pair == NULL)
  		return NULL;
  
  	output = mpd_output_begin(pair);
  	mpd_return_pair(connection, pair);
  	if (output == NULL) {
  		mpd_error_code(&connection->error, MPD_ERROR_OOM);
  		return NULL;
  	}
  
  	while ((pair = mpd_recv_pair(connection)) != NULL &&
  	       mpd_output_feed(output, pair))
  		mpd_return_pair(connection, pair);
  
  	if (mpd_error_is_defined(&connection->error)) {
  		assert(pair == NULL);
  
  		mpd_output_free(output);
  		return NULL;
  	}
  
  	mpd_enqueue_pair(connection, pair);
  	return output;
  }
  
  bool
  mpd_send_enable_output(struct mpd_connection *connection, unsigned output_id)
  {
  	return mpd_send_u_command(connection, "enableoutput", output_id);
  }
  
  bool
  mpd_run_enable_output(struct mpd_connection *connection, unsigned output_id)
  {
  	return mpd_run_check(connection) &&
  		mpd_send_enable_output(connection, output_id) &&
  		mpd_response_finish(connection);
  }
  
  bool
  mpd_send_disable_output(struct mpd_connection *connection, unsigned output_id)
  {
  	return mpd_send_u_command(connection, "disableoutput", output_id);
  }
  
  bool
  mpd_run_disable_output(struct mpd_connection *connection, unsigned output_id)
  {
  	return mpd_run_check(connection) &&
  		mpd_send_disable_output(connection, output_id) &&
  		mpd_response_finish(connection);
  }
  
  bool
  mpd_send_toggle_output(struct mpd_connection *connection, unsigned output_id)
  {
  	return mpd_send_u_command(connection, "toggleoutput", output_id);
  }
  
  bool
  mpd_run_toggle_output(struct mpd_connection *connection, unsigned output_id)
  {
  	return mpd_run_check(connection) &&
  		mpd_send_toggle_output(connection, output_id) &&
  		mpd_response_finish(connection);
  }
  
  bool
  mpd_send_output_set(struct mpd_connection *connection, unsigned output_id,
  		    const char *attribute_name, const char *attribute_value)
  {
  	return mpd_send_u_s_s_command(connection, "outputset", output_id,
  				      attribute_name, attribute_value);
  }
  
  bool
  mpd_run_output_set(struct mpd_connection *connection, unsigned output_id,
  		    const char *attribute_name, const char *attribute_value)
  {
  	return mpd_run_check(connection) &&
  		mpd_send_output_set(connection, output_id,
  				    attribute_name, attribute_value) &&
  		mpd_response_finish(connection);
  }
  
  bool
  mpd_send_move_output(struct mpd_connection *connection,
  		     const char *output_name)
  {
  	return mpd_send_command(connection, "moveoutput", output_name, NULL);
  }
  
  bool
  mpd_run_move_output(struct mpd_connection *connection, const char *
  		    output_name)
  {
  	return mpd_run_check(connection) &&
  		mpd_send_move_output(connection, output_name) &&
  		mpd_response_finish(connection);
  }
  