2008-09-09 10:02:34 +02:00
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/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "output_control.h"
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#include "output_api.h"
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2008-09-24 07:20:55 +02:00
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#include "output_internal.h"
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2008-09-24 07:20:26 +02:00
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#include "output_thread.h"
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2008-10-08 10:49:29 +02:00
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#include <assert.h>
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#include <stdlib.h>
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2008-09-24 07:20:26 +02:00
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2008-12-27 20:53:52 +01:00
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struct notify audio_output_client_notify;
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2008-09-24 07:20:26 +02:00
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static void ao_command_wait(struct audio_output *ao)
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{
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while (ao->command != AO_COMMAND_NONE) {
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notify_signal(&ao->notify);
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notify_wait(&audio_output_client_notify);
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}
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}
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static void ao_command(struct audio_output *ao, enum audio_output_command cmd)
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{
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assert(ao->command == AO_COMMAND_NONE);
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ao->command = cmd;
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ao_command_wait(ao);
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}
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2008-09-09 10:02:34 +02:00
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2008-09-24 07:23:19 +02:00
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static void ao_command_async(struct audio_output *ao,
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enum audio_output_command cmd)
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{
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assert(ao->command == AO_COMMAND_NONE);
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ao->command = cmd;
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notify_signal(&ao->notify);
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}
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2008-10-29 20:40:27 +01:00
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bool
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2009-02-16 00:43:06 +01:00
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audio_output_open(struct audio_output *ao,
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const struct audio_format *audio_format)
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2008-09-09 10:02:34 +02:00
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{
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2009-02-16 00:43:06 +01:00
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ao->reopen_after = 0;
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2008-10-29 22:32:50 +01:00
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2009-02-16 00:43:06 +01:00
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if (ao->open &&
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audio_format_equals(audio_format, &ao->in_audio_format)) {
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2008-10-29 20:40:27 +01:00
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return true;
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2008-09-09 10:02:34 +02:00
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}
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2009-02-16 00:43:06 +01:00
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ao->in_audio_format = *audio_format;
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2008-09-09 10:02:34 +02:00
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2009-02-16 00:43:06 +01:00
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if (audio_format_defined(&ao->config_audio_format)) {
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2009-02-10 21:50:51 +01:00
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/* copy config_audio_format to out_audio_format only if the
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2008-09-11 07:50:20 +02:00
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device is not yet open; if it is already open,
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2009-02-10 21:50:51 +01:00
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plugin->open() may have modified out_audio_format,
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2008-09-11 07:50:20 +02:00
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and the value is already ok */
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2009-02-16 00:43:06 +01:00
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if (!ao->open)
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ao->out_audio_format =
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ao->config_audio_format;
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2008-09-09 10:02:34 +02:00
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} else {
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2009-02-16 00:43:06 +01:00
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ao->out_audio_format = ao->in_audio_format;
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if (ao->open)
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audio_output_close(ao);
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2008-09-09 10:02:34 +02:00
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}
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2009-02-16 00:43:06 +01:00
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if (ao->thread == NULL)
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audio_output_thread_start(ao);
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2008-09-09 10:02:34 +02:00
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2009-02-16 00:43:06 +01:00
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if (!ao->open)
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ao_command(ao, AO_COMMAND_OPEN);
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2008-09-09 10:02:34 +02:00
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2009-02-16 00:43:06 +01:00
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return ao->open;
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2008-09-09 10:02:34 +02:00
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}
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2008-10-29 22:17:44 +01:00
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void
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audio_output_update(struct audio_output *ao,
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const struct audio_format *audio_format)
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{
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2008-10-29 22:32:50 +01:00
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if (ao->enabled) {
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if (ao->reopen_after == 0 || time(NULL) > ao->reopen_after)
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audio_output_open(ao, audio_format);
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} else if (audio_output_is_open(ao))
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2008-10-29 22:17:44 +01:00
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audio_output_close(ao);
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}
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2008-09-26 07:12:29 +02:00
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void
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audio_output_signal(struct audio_output *ao)
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{
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notify_signal(&ao->notify);
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}
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2009-02-16 00:43:06 +01:00
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void
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audio_output_play(struct audio_output *ao, const char *chunk, size_t size)
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2008-09-09 10:02:34 +02:00
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{
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2008-11-02 20:16:56 +01:00
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assert(size > 0);
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2009-02-16 00:43:06 +01:00
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if (!ao->open)
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2008-09-24 07:23:19 +02:00
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return;
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2008-09-09 10:02:34 +02:00
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2009-02-16 00:43:06 +01:00
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ao->args.play.data = chunk;
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ao->args.play.size = size;
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ao_command_async(ao, AO_COMMAND_PLAY);
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2008-09-09 10:02:34 +02:00
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}
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2009-02-16 00:43:06 +01:00
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void audio_output_pause(struct audio_output *ao)
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2008-09-29 16:43:55 +02:00
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{
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2009-02-16 00:43:06 +01:00
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ao_command_async(ao, AO_COMMAND_PAUSE);
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2008-09-29 16:43:55 +02:00
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}
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2009-02-16 00:43:06 +01:00
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void audio_output_cancel(struct audio_output *ao)
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2008-09-09 10:02:34 +02:00
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{
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2009-02-16 00:43:06 +01:00
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ao_command_async(ao, AO_COMMAND_CANCEL);
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2008-09-09 10:02:34 +02:00
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}
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2009-02-16 00:43:06 +01:00
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void audio_output_close(struct audio_output *ao)
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2008-09-09 10:02:34 +02:00
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{
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2009-02-16 00:43:06 +01:00
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if (ao->open)
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ao_command(ao, AO_COMMAND_CLOSE);
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2008-09-09 10:02:34 +02:00
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}
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2009-02-16 00:43:06 +01:00
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void audio_output_finish(struct audio_output *ao)
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2008-09-09 10:02:34 +02:00
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{
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2009-02-16 00:43:06 +01:00
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audio_output_close(ao);
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2009-01-07 23:55:13 +01:00
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2009-02-16 00:43:06 +01:00
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if (ao->thread != NULL) {
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ao_command(ao, AO_COMMAND_KILL);
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g_thread_join(ao->thread);
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2009-01-07 23:55:13 +01:00
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}
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2009-02-16 00:43:06 +01:00
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if (ao->plugin->finish)
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ao->plugin->finish(ao->data);
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2009-01-07 23:53:28 +01:00
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2009-02-16 00:43:06 +01:00
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notify_deinit(&ao->notify);
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2008-09-09 10:02:34 +02:00
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}
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2009-02-16 00:43:06 +01:00
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void
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audio_output_send_tag(struct audio_output *ao, const struct tag *tag)
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2008-09-09 10:02:34 +02:00
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{
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2009-02-16 00:43:06 +01:00
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if (ao->plugin->send_tag == NULL)
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2008-09-24 07:20:26 +02:00
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return;
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2009-02-16 00:43:06 +01:00
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ao->args.tag = tag;
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ao_command_async(ao, AO_COMMAND_SEND_TAG);
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2008-09-09 10:02:34 +02:00
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}
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