2009-03-13 18:43:16 +01:00
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/*
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* Copyright (C) 2003-2009 The Music Player Daemon Project
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* http://www.musicpd.org
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2008-09-24 07:20:26 +02:00
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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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2009-03-13 18:43:16 +01:00
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2008-09-24 07:20:26 +02:00
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*/
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#include "output_thread.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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2009-03-09 19:25:26 +01:00
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#include "chunk.h"
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#include "pipe.h"
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2009-03-26 23:40:50 +01:00
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#include "player_control.h"
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2009-07-06 10:01:47 +02:00
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#include "filter_plugin.h"
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#include "filter/convert_filter_plugin.h"
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2008-09-24 07:20:26 +02:00
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2008-11-25 17:47:46 +01:00
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#include <glib.h>
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2009-02-25 19:53:38 +01:00
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2008-10-08 10:49:29 +02:00
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#include <assert.h>
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2008-11-25 17:47:46 +01:00
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#include <stdlib.h>
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#include <errno.h>
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2008-10-08 10:49:29 +02:00
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2009-02-25 19:53:38 +01:00
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#undef G_LOG_DOMAIN
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#define G_LOG_DOMAIN "output"
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2008-09-24 07:20:26 +02:00
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static void ao_command_finished(struct audio_output *ao)
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{
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assert(ao->command != AO_COMMAND_NONE);
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ao->command = AO_COMMAND_NONE;
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2009-10-29 17:06:40 +01:00
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g_mutex_unlock(ao->mutex);
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2008-09-24 07:20:26 +02:00
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notify_signal(&audio_output_client_notify);
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2009-10-29 17:06:40 +01:00
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g_mutex_lock(ao->mutex);
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2008-09-24 07:20:26 +02:00
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}
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2009-10-23 10:55:52 +02:00
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static bool
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ao_enable(struct audio_output *ao)
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{
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GError *error = NULL;
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2009-10-29 17:06:40 +01:00
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bool success;
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2009-10-23 10:55:52 +02:00
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if (ao->really_enabled)
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return true;
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2009-10-29 17:06:40 +01:00
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g_mutex_unlock(ao->mutex);
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success = ao_plugin_enable(ao->plugin, ao->data, &error);
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g_mutex_lock(ao->mutex);
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if (!success) {
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2009-10-23 10:55:52 +02:00
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g_warning("Failed to enable \"%s\" [%s]: %s\n",
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ao->name, ao->plugin->name, error->message);
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g_error_free(error);
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return false;
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}
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ao->really_enabled = true;
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return true;
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}
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static void
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2009-10-29 15:59:40 +01:00
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ao_close(struct audio_output *ao, bool drain);
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2009-10-23 10:55:52 +02:00
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static void
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ao_disable(struct audio_output *ao)
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{
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if (ao->open)
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2009-10-29 15:59:40 +01:00
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ao_close(ao, false);
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2009-10-23 10:55:52 +02:00
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if (ao->really_enabled) {
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ao->really_enabled = false;
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2009-10-29 17:06:40 +01:00
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g_mutex_unlock(ao->mutex);
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2009-10-23 10:55:52 +02:00
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ao_plugin_disable(ao->plugin, ao->data);
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2009-10-29 17:06:40 +01:00
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g_mutex_lock(ao->mutex);
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2009-10-23 10:55:52 +02:00
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}
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}
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2009-07-06 08:04:18 +02:00
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static void
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ao_open(struct audio_output *ao)
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{
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bool success;
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GError *error = NULL;
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2009-07-06 10:01:47 +02:00
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const struct audio_format *filter_audio_format;
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2009-07-06 08:04:18 +02:00
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assert(!ao->open);
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assert(ao->fail_timer == NULL);
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assert(ao->pipe != NULL);
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assert(ao->chunk == NULL);
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2009-10-23 10:55:52 +02:00
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/* enable the device (just in case the last enable has failed) */
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if (!ao_enable(ao))
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/* still no luck */
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return;
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2009-07-06 10:01:47 +02:00
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/* open the filter */
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filter_audio_format = filter_open(ao->filter, &ao->in_audio_format,
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&error);
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if (filter_audio_format == NULL) {
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g_warning("Failed to open filter for \"%s\" [%s]: %s",
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ao->name, ao->plugin->name, error->message);
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g_error_free(error);
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ao->fail_timer = g_timer_new();
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return;
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}
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2009-10-21 23:01:04 +02:00
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ao->out_audio_format = *filter_audio_format;
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audio_format_mask_apply(&ao->out_audio_format,
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&ao->config_audio_format);
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2009-07-06 10:01:47 +02:00
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2009-10-29 17:06:40 +01:00
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g_mutex_unlock(ao->mutex);
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2009-07-06 08:04:18 +02:00
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success = ao_plugin_open(ao->plugin, ao->data,
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&ao->out_audio_format,
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&error);
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2009-10-29 17:06:40 +01:00
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g_mutex_lock(ao->mutex);
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2009-07-06 08:04:18 +02:00
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assert(!ao->open);
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if (!success) {
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g_warning("Failed to open \"%s\" [%s]: %s",
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ao->name, ao->plugin->name, error->message);
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g_error_free(error);
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2009-07-06 10:01:47 +02:00
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filter_close(ao->filter);
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2009-07-06 08:04:18 +02:00
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ao->fail_timer = g_timer_new();
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return;
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}
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2009-07-06 10:01:47 +02:00
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convert_filter_set(ao->convert_filter, &ao->out_audio_format);
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2009-07-06 08:04:18 +02:00
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ao->open = true;
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g_debug("opened plugin=%s name=\"%s\" "
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2009-07-19 17:42:19 +02:00
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"audio_format=%u:%u:%u:%u",
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2009-07-06 08:04:18 +02:00
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ao->plugin->name, ao->name,
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ao->out_audio_format.sample_rate,
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ao->out_audio_format.bits,
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2009-07-19 17:42:19 +02:00
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ao->out_audio_format.channels,
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ao->out_audio_format.reverse_endian);
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2009-07-06 08:04:18 +02:00
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if (!audio_format_equals(&ao->in_audio_format,
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&ao->out_audio_format))
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2009-07-19 17:42:19 +02:00
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g_debug("converting from %u:%u:%u:%u",
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2009-07-06 08:04:18 +02:00
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ao->in_audio_format.sample_rate,
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ao->in_audio_format.bits,
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2009-07-19 17:42:19 +02:00
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ao->in_audio_format.channels,
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ao->in_audio_format.reverse_endian);
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2009-07-06 08:04:18 +02:00
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}
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2009-02-10 22:09:07 +01:00
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static void
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2009-10-29 15:59:40 +01:00
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ao_close(struct audio_output *ao, bool drain)
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2009-02-10 22:09:07 +01:00
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{
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assert(ao->open);
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2009-03-09 19:25:26 +01:00
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ao->pipe = NULL;
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ao->chunk = NULL;
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2009-03-25 17:07:15 +01:00
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ao->open = false;
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2009-10-29 17:06:40 +01:00
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2009-03-09 19:25:26 +01:00
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g_mutex_unlock(ao->mutex);
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2009-10-29 15:59:40 +01:00
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if (drain)
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ao_plugin_drain(ao->plugin, ao->data);
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else
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ao_plugin_cancel(ao->plugin, ao->data);
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2009-02-16 01:38:10 +01:00
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ao_plugin_close(ao->plugin, ao->data);
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2009-07-06 10:01:47 +02:00
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filter_close(ao->filter);
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2009-03-08 04:13:55 +01:00
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2009-10-29 17:06:40 +01:00
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g_mutex_lock(ao->mutex);
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2009-03-08 04:13:55 +01:00
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g_debug("closed plugin=%s name=\"%s\"", ao->plugin->name, ao->name);
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2009-02-10 22:09:07 +01:00
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}
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2009-07-06 10:01:47 +02:00
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static void
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ao_reopen_filter(struct audio_output *ao)
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{
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const struct audio_format *filter_audio_format;
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GError *error = NULL;
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filter_close(ao->filter);
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filter_audio_format = filter_open(ao->filter, &ao->in_audio_format,
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&error);
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if (filter_audio_format == NULL) {
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g_warning("Failed to open filter for \"%s\" [%s]: %s",
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ao->name, ao->plugin->name, error->message);
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g_error_free(error);
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/* this is a little code duplication fro ao_close(),
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but we cannot call this function because we must
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not call filter_close(ao->filter) again */
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ao->pipe = NULL;
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ao->chunk = NULL;
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ao->open = false;
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2009-10-29 17:06:40 +01:00
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ao->fail_timer = g_timer_new();
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2009-07-06 10:01:47 +02:00
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2009-10-29 17:06:40 +01:00
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g_mutex_unlock(ao->mutex);
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2009-07-06 10:01:47 +02:00
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ao_plugin_close(ao->plugin, ao->data);
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2009-10-29 17:06:40 +01:00
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g_mutex_lock(ao->mutex);
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2009-07-06 10:01:47 +02:00
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return;
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}
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convert_filter_set(ao->convert_filter, &ao->out_audio_format);
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}
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2009-07-06 10:01:02 +02:00
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static void
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ao_reopen(struct audio_output *ao)
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{
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2009-10-21 23:01:04 +02:00
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if (!audio_format_fully_defined(&ao->config_audio_format)) {
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2009-07-06 10:01:02 +02:00
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if (ao->open) {
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const struct music_pipe *mp = ao->pipe;
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2009-10-29 15:59:40 +01:00
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ao_close(ao, true);
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2009-07-06 10:01:02 +02:00
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ao->pipe = mp;
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}
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/* no audio format is configured: copy in->out, let
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the output's open() method determine the effective
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out_audio_format */
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ao->out_audio_format = ao->in_audio_format;
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2009-10-21 23:01:04 +02:00
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audio_format_mask_apply(&ao->out_audio_format,
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&ao->config_audio_format);
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2009-07-06 10:01:02 +02:00
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}
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2009-07-06 10:01:47 +02:00
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if (ao->open)
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/* the audio format has changed, and all filters have
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to be reconfigured */
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ao_reopen_filter(ao);
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else
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2009-07-06 10:01:02 +02:00
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ao_open(ao);
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}
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2009-03-09 19:25:26 +01:00
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static bool
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ao_play_chunk(struct audio_output *ao, const struct music_chunk *chunk)
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2008-09-24 07:20:26 +02:00
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{
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2009-03-09 19:25:26 +01:00
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const char *data = chunk->data;
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size_t size = chunk->length;
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2009-02-26 22:04:59 +01:00
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GError *error = NULL;
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2008-09-24 07:20:26 +02:00
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2009-07-06 10:01:47 +02:00
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assert(ao != NULL);
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assert(ao->filter != NULL);
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2009-03-09 19:25:26 +01:00
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assert(!music_chunk_is_empty(chunk));
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assert(music_chunk_check_format(chunk, &ao->in_audio_format));
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2009-02-26 21:02:39 +01:00
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assert(size % audio_format_frame_size(&ao->in_audio_format) == 0);
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2008-11-02 20:16:56 +01:00
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2009-10-29 17:06:40 +01:00
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if (chunk->tag != NULL) {
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g_mutex_unlock(ao->mutex);
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2009-03-09 19:25:26 +01:00
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ao_plugin_send_tag(ao->plugin, ao->data, chunk->tag);
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2009-10-29 17:06:40 +01:00
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g_mutex_lock(ao->mutex);
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}
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2009-03-09 19:25:26 +01:00
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if (size == 0)
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return true;
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2009-07-06 10:01:47 +02:00
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data = filter_filter(ao->filter, data, size, &size, &error);
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if (data == NULL) {
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g_warning("\"%s\" [%s] failed to filter: %s",
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ao->name, ao->plugin->name, error->message);
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g_error_free(error);
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2009-10-29 15:59:40 +01:00
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ao_close(ao, false);
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2009-07-06 10:01:47 +02:00
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/* don't automatically reopen this device for 10
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seconds */
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ao->fail_timer = g_timer_new();
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return false;
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2008-12-24 03:08:39 +01:00
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}
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2009-03-10 20:41:27 +01:00
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while (size > 0 && ao->command == AO_COMMAND_NONE) {
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2009-02-23 09:29:56 +01:00
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size_t nbytes;
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2009-10-29 17:06:40 +01:00
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g_mutex_unlock(ao->mutex);
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2009-02-26 22:04:59 +01:00
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nbytes = ao_plugin_play(ao->plugin, ao->data, data, size,
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&error);
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2009-10-29 17:06:40 +01:00
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g_mutex_lock(ao->mutex);
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2009-02-23 09:29:56 +01:00
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if (nbytes == 0) {
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/* play()==0 means failure */
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2009-02-26 22:04:59 +01:00
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g_warning("\"%s\" [%s] failed to play: %s",
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ao->name, ao->plugin->name, error->message);
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g_error_free(error);
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2009-10-29 15:59:40 +01:00
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ao_close(ao, false);
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2009-03-09 19:08:35 +01:00
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/* don't automatically reopen this device for
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10 seconds */
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ao->fail_timer = g_timer_new();
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2009-03-09 19:25:26 +01:00
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return false;
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2009-02-23 09:29:56 +01:00
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}
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assert(nbytes <= size);
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assert(nbytes % audio_format_frame_size(&ao->out_audio_format) == 0);
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|
|
|
|
|
|
data += nbytes;
|
|
|
|
size -= nbytes;
|
2008-10-29 20:40:33 +01:00
|
|
|
}
|
|
|
|
|
2009-03-09 19:25:26 +01:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2009-11-02 20:20:14 +01:00
|
|
|
static const struct music_chunk *
|
|
|
|
ao_next_chunk(struct audio_output *ao)
|
|
|
|
{
|
|
|
|
return ao->chunk != NULL
|
|
|
|
/* continue the previous play() call */
|
|
|
|
? ao->chunk->next
|
|
|
|
/* get the first chunk from the pipe */
|
|
|
|
: music_pipe_peek(ao->pipe);
|
|
|
|
}
|
|
|
|
|
2009-10-29 23:35:27 +01:00
|
|
|
/**
|
|
|
|
* Plays all remaining chunks, until the tail of the pipe has been
|
|
|
|
* reached (and no more chunks are queued), or until a command is
|
|
|
|
* received.
|
|
|
|
*
|
|
|
|
* @return true if at least one chunk has been available, false if the
|
|
|
|
* tail of the pipe was already reached
|
|
|
|
*/
|
|
|
|
static bool
|
|
|
|
ao_play(struct audio_output *ao)
|
2009-03-09 19:25:26 +01:00
|
|
|
{
|
|
|
|
bool success;
|
|
|
|
const struct music_chunk *chunk;
|
|
|
|
|
|
|
|
assert(ao->pipe != NULL);
|
|
|
|
|
2009-11-02 20:20:14 +01:00
|
|
|
chunk = ao_next_chunk(ao);
|
2009-11-02 20:20:14 +01:00
|
|
|
if (chunk == NULL)
|
|
|
|
/* no chunk available */
|
|
|
|
return false;
|
2009-10-29 23:35:27 +01:00
|
|
|
|
2009-03-09 19:25:26 +01:00
|
|
|
ao->chunk_finished = false;
|
|
|
|
|
|
|
|
while (chunk != NULL && ao->command == AO_COMMAND_NONE) {
|
|
|
|
assert(!ao->chunk_finished);
|
|
|
|
|
|
|
|
ao->chunk = chunk;
|
|
|
|
|
|
|
|
success = ao_play_chunk(ao, chunk);
|
|
|
|
if (!success) {
|
|
|
|
assert(ao->chunk == NULL);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
assert(ao->chunk == chunk);
|
|
|
|
chunk = chunk->next;
|
|
|
|
}
|
|
|
|
|
|
|
|
ao->chunk_finished = true;
|
2009-03-25 18:04:41 +01:00
|
|
|
|
2009-10-29 17:06:40 +01:00
|
|
|
g_mutex_unlock(ao->mutex);
|
2009-10-31 17:02:12 +01:00
|
|
|
player_lock_signal();
|
2009-10-29 17:06:40 +01:00
|
|
|
g_mutex_lock(ao->mutex);
|
2009-10-29 23:35:27 +01:00
|
|
|
|
|
|
|
return true;
|
2008-09-24 07:20:26 +02:00
|
|
|
}
|
|
|
|
|
2008-09-29 16:43:55 +02:00
|
|
|
static void ao_pause(struct audio_output *ao)
|
|
|
|
{
|
2009-02-16 01:38:10 +01:00
|
|
|
bool ret;
|
|
|
|
|
2009-10-29 17:06:40 +01:00
|
|
|
g_mutex_unlock(ao->mutex);
|
2009-02-16 01:38:10 +01:00
|
|
|
ao_plugin_cancel(ao->plugin, ao->data);
|
2009-10-29 17:06:40 +01:00
|
|
|
g_mutex_lock(ao->mutex);
|
|
|
|
|
2009-08-14 11:52:12 +02:00
|
|
|
ao->pause = true;
|
2009-02-16 01:38:10 +01:00
|
|
|
ao_command_finished(ao);
|
|
|
|
|
|
|
|
do {
|
2009-10-29 17:06:40 +01:00
|
|
|
g_mutex_unlock(ao->mutex);
|
2009-02-16 01:38:10 +01:00
|
|
|
ret = ao_plugin_pause(ao->plugin, ao->data);
|
2009-10-29 17:06:40 +01:00
|
|
|
g_mutex_lock(ao->mutex);
|
|
|
|
|
2009-02-16 01:38:10 +01:00
|
|
|
if (!ret) {
|
2009-10-29 15:59:40 +01:00
|
|
|
ao_close(ao, false);
|
2009-02-16 01:38:10 +01:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
} while (ao->command == AO_COMMAND_NONE);
|
2009-08-14 11:52:12 +02:00
|
|
|
|
|
|
|
ao->pause = false;
|
2008-09-29 16:43:55 +02:00
|
|
|
}
|
|
|
|
|
2008-12-28 22:09:42 +01:00
|
|
|
static gpointer audio_output_task(gpointer arg)
|
2008-09-24 07:20:26 +02:00
|
|
|
{
|
|
|
|
struct audio_output *ao = arg;
|
|
|
|
|
2009-10-29 17:06:40 +01:00
|
|
|
g_mutex_lock(ao->mutex);
|
|
|
|
|
2008-09-24 07:20:26 +02:00
|
|
|
while (1) {
|
|
|
|
switch (ao->command) {
|
|
|
|
case AO_COMMAND_NONE:
|
|
|
|
break;
|
|
|
|
|
2009-10-23 10:55:52 +02:00
|
|
|
case AO_COMMAND_ENABLE:
|
|
|
|
ao_enable(ao);
|
|
|
|
ao_command_finished(ao);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case AO_COMMAND_DISABLE:
|
|
|
|
ao_disable(ao);
|
|
|
|
ao_command_finished(ao);
|
|
|
|
break;
|
|
|
|
|
2008-09-24 07:20:26 +02:00
|
|
|
case AO_COMMAND_OPEN:
|
2009-07-06 08:04:18 +02:00
|
|
|
ao_open(ao);
|
2008-09-24 07:20:26 +02:00
|
|
|
ao_command_finished(ao);
|
|
|
|
break;
|
|
|
|
|
2009-07-06 10:01:02 +02:00
|
|
|
case AO_COMMAND_REOPEN:
|
|
|
|
ao_reopen(ao);
|
|
|
|
ao_command_finished(ao);
|
|
|
|
break;
|
|
|
|
|
2008-09-24 07:20:26 +02:00
|
|
|
case AO_COMMAND_CLOSE:
|
|
|
|
assert(ao->open);
|
2009-03-09 19:25:26 +01:00
|
|
|
assert(ao->pipe != NULL);
|
|
|
|
|
2009-10-29 15:59:40 +01:00
|
|
|
ao_close(ao, false);
|
2008-09-24 07:20:26 +02:00
|
|
|
ao_command_finished(ao);
|
|
|
|
break;
|
|
|
|
|
2008-09-29 16:43:55 +02:00
|
|
|
case AO_COMMAND_PAUSE:
|
2009-10-21 08:07:07 +02:00
|
|
|
if (!ao->open) {
|
|
|
|
/* the output has failed after
|
|
|
|
audio_output_all_pause() has
|
|
|
|
submitted the PAUSE command; bail
|
|
|
|
out */
|
|
|
|
ao_command_finished(ao);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2008-09-29 16:43:55 +02:00
|
|
|
ao_pause(ao);
|
2009-06-29 22:20:46 +02:00
|
|
|
/* don't "break" here: this might cause
|
|
|
|
ao_play() to be called when command==CLOSE
|
|
|
|
ends the paused state - "continue" checks
|
|
|
|
the new command first */
|
|
|
|
continue;
|
2008-09-29 16:43:55 +02:00
|
|
|
|
2009-11-09 22:16:26 +01:00
|
|
|
case AO_COMMAND_DRAIN:
|
|
|
|
if (ao->open) {
|
|
|
|
assert(ao->chunk == NULL);
|
|
|
|
assert(music_pipe_peek(ao->pipe) == NULL);
|
|
|
|
|
|
|
|
g_mutex_unlock(ao->mutex);
|
|
|
|
ao_plugin_drain(ao->plugin, ao->data);
|
|
|
|
g_mutex_lock(ao->mutex);
|
|
|
|
}
|
|
|
|
|
|
|
|
ao_command_finished(ao);
|
|
|
|
continue;
|
|
|
|
|
2008-09-24 07:20:26 +02:00
|
|
|
case AO_COMMAND_CANCEL:
|
2009-03-09 19:25:26 +01:00
|
|
|
ao->chunk = NULL;
|
2009-10-16 15:09:22 +02:00
|
|
|
if (ao->open)
|
|
|
|
ao_plugin_cancel(ao->plugin, ao->data);
|
2008-09-24 07:20:26 +02:00
|
|
|
ao_command_finished(ao);
|
|
|
|
|
2009-03-09 19:25:26 +01:00
|
|
|
/* the player thread will now clear our music
|
|
|
|
pipe - wait for a notify, to give it some
|
|
|
|
time */
|
2009-11-02 17:01:17 +01:00
|
|
|
if (ao->command == AO_COMMAND_NONE)
|
|
|
|
g_cond_wait(ao->cond, ao->mutex);
|
2009-03-09 19:25:26 +01:00
|
|
|
continue;
|
2008-09-24 07:20:26 +02:00
|
|
|
|
|
|
|
case AO_COMMAND_KILL:
|
2009-03-09 19:25:26 +01:00
|
|
|
ao->chunk = NULL;
|
2008-09-24 07:20:26 +02:00
|
|
|
ao_command_finished(ao);
|
2009-10-29 17:06:40 +01:00
|
|
|
g_mutex_unlock(ao->mutex);
|
2008-09-24 07:20:26 +02:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2009-10-29 23:35:27 +01:00
|
|
|
if (ao->open && ao_play(ao))
|
|
|
|
/* don't wait for an event if there are more
|
|
|
|
chunks in the pipe */
|
|
|
|
continue;
|
2009-03-09 19:25:26 +01:00
|
|
|
|
2009-10-29 17:06:40 +01:00
|
|
|
if (ao->command == AO_COMMAND_NONE)
|
|
|
|
g_cond_wait(ao->cond, ao->mutex);
|
2008-09-24 07:20:26 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void audio_output_thread_start(struct audio_output *ao)
|
|
|
|
{
|
2009-01-04 19:51:54 +01:00
|
|
|
GError *e = NULL;
|
2008-09-24 07:20:26 +02:00
|
|
|
|
|
|
|
assert(ao->command == AO_COMMAND_NONE);
|
|
|
|
|
2009-01-07 23:55:13 +01:00
|
|
|
if (!(ao->thread = g_thread_create(audio_output_task, ao, true, &e)))
|
2008-12-28 22:09:42 +01:00
|
|
|
g_error("Failed to spawn output task: %s\n", e->message);
|
2008-09-24 07:20:26 +02:00
|
|
|
}
|