2009-03-13 18:43:16 +01:00
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/*
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2011-01-29 10:13:54 +01:00
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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2009-03-13 18:43:16 +01:00
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* http://www.musicpd.org
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2005-03-13 20:23:09 +01:00
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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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2005-03-13 20:23:09 +01:00
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*/
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2009-11-12 09:12:38 +01:00
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#include "config.h"
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2011-09-17 08:54:28 +02:00
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#include "osx_output_plugin.h"
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2009-11-12 09:12:38 +01:00
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#include "output_api.h"
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2005-03-16 05:46:41 +01:00
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2008-12-08 23:23:30 +01:00
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#include <glib.h>
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2008-10-26 21:58:37 +01:00
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#include <AudioUnit/AudioUnit.h>
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2009-09-20 23:30:37 +02:00
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#include <CoreServices/CoreServices.h>
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2008-10-26 21:58:37 +01:00
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2008-12-08 23:23:30 +01:00
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#undef G_LOG_DOMAIN
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#define G_LOG_DOMAIN "osx"
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2009-02-26 21:03:06 +01:00
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struct osx_output {
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2011-09-16 23:31:48 +02:00
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struct audio_output base;
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2010-12-21 04:21:46 +01:00
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/* configuration settings */
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OSType component_subtype;
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/* only applicable with kAudioUnitSubType_HALOutput */
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const char *device_name;
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2005-03-16 05:46:41 +01:00
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AudioUnit au;
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2008-12-28 22:09:42 +01:00
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GMutex *mutex;
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GCond *condition;
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2006-07-20 18:02:40 +02:00
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char *buffer;
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2009-02-26 21:03:06 +01:00
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size_t buffer_size;
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2008-04-12 06:15:52 +02:00
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size_t pos;
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size_t len;
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2009-02-26 21:03:06 +01:00
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};
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2005-03-13 20:23:09 +01:00
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2009-02-26 22:04:59 +01:00
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/**
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* The quark used for GError.domain.
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*/
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static inline GQuark
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osx_output_quark(void)
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{
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return g_quark_from_static_string("osx_output");
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}
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2009-02-26 21:03:06 +01:00
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static bool
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osx_output_test_default_device(void)
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2006-07-20 18:02:40 +02:00
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{
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2009-02-26 21:33:13 +01:00
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/* on a Mac, this is always the default plugin, if nothing
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else is configured */
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2008-10-29 20:40:27 +01:00
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return true;
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2005-03-13 22:33:55 +01:00
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}
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2010-12-21 04:21:46 +01:00
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static void
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osx_output_configure(struct osx_output *oo, const struct config_param *param)
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{
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const char *device = config_get_block_string(param, "device", NULL);
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if (device == NULL || 0 == strcmp(device, "default")) {
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oo->component_subtype = kAudioUnitSubType_DefaultOutput;
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oo->device_name = NULL;
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}
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else if (0 == strcmp(device, "system")) {
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oo->component_subtype = kAudioUnitSubType_SystemOutput;
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oo->device_name = NULL;
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}
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else {
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oo->component_subtype = kAudioUnitSubType_HALOutput;
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/* XXX am I supposed to g_strdup() this? */
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oo->device_name = device;
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}
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}
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2011-09-16 23:31:48 +02:00
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static struct audio_output *
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osx_output_init(const struct config_param *param, GError **error_r)
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2006-07-20 18:02:40 +02:00
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{
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2009-02-26 21:03:06 +01:00
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struct osx_output *oo = g_new(struct osx_output, 1);
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2011-09-16 23:31:48 +02:00
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if (!ao_base_init(&oo->base, &osx_output_plugin, param, error_r)) {
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g_free(oo);
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return NULL;
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}
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2009-02-26 21:03:06 +01:00
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2010-12-21 04:21:46 +01:00
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osx_output_configure(oo, param);
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2009-02-26 21:03:06 +01:00
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oo->mutex = g_mutex_new();
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oo->condition = g_cond_new();
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oo->pos = 0;
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oo->len = 0;
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oo->buffer = NULL;
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oo->buffer_size = 0;
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2011-09-16 23:31:48 +02:00
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return &oo->base;
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2005-03-13 20:23:09 +01:00
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}
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2011-09-16 23:31:48 +02:00
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static void
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osx_output_finish(struct audio_output *ao)
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2006-07-20 18:02:40 +02:00
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{
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2011-09-16 23:31:48 +02:00
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struct osx_output *od = (struct osx_output *)ao;
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2009-02-26 21:03:06 +01:00
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2009-01-25 18:47:21 +01:00
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g_free(od->buffer);
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2008-12-28 22:09:42 +01:00
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g_mutex_free(od->mutex);
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g_cond_free(od->condition);
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2009-01-25 18:47:21 +01:00
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g_free(od);
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2005-03-13 20:23:09 +01:00
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}
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2011-09-16 23:31:48 +02:00
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static void
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osx_output_cancel(struct audio_output *ao)
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2006-07-20 18:02:40 +02:00
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{
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2011-09-16 23:31:48 +02:00
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struct osx_output *od = (struct osx_output *)ao;
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2005-03-17 00:24:07 +01:00
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2008-12-28 22:09:42 +01:00
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g_mutex_lock(od->mutex);
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2005-03-17 00:24:07 +01:00
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od->len = 0;
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2008-12-28 22:09:42 +01:00
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g_mutex_unlock(od->mutex);
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2005-03-13 20:23:09 +01:00
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}
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2011-09-16 23:31:48 +02:00
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static void
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osx_output_close(struct audio_output *ao)
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2006-07-20 18:02:40 +02:00
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{
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2011-09-16 23:31:48 +02:00
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struct osx_output *od = (struct osx_output *)ao;
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2005-03-17 00:05:25 +01:00
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2009-02-26 21:40:22 +01:00
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AudioOutputUnitStop(od->au);
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2005-03-17 00:05:25 +01:00
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AudioUnitUninitialize(od->au);
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2008-12-17 15:47:13 +01:00
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CloseComponent(od->au);
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2005-03-13 20:23:09 +01:00
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}
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2008-11-04 11:26:04 +01:00
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static OSStatus
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osx_render(void *vdata,
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2009-02-26 21:03:06 +01:00
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G_GNUC_UNUSED AudioUnitRenderActionFlags *io_action_flags,
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G_GNUC_UNUSED const AudioTimeStamp *in_timestamp,
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G_GNUC_UNUSED UInt32 in_bus_number,
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G_GNUC_UNUSED UInt32 in_number_frames,
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AudioBufferList *buffer_list)
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2005-03-14 05:30:32 +01:00
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{
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2009-02-26 21:03:06 +01:00
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struct osx_output *od = (struct osx_output *) vdata;
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AudioBuffer *buffer = &buffer_list->mBuffers[0];
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size_t buffer_size = buffer->mDataByteSize;
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size_t bytes_to_copy;
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size_t trailer_length;
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size_t dest_pos = 0;
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2005-03-14 05:30:32 +01:00
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2008-12-28 22:09:42 +01:00
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g_mutex_lock(od->mutex);
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2006-07-20 18:02:40 +02:00
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2009-02-26 21:03:06 +01:00
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bytes_to_copy = MIN(od->len, buffer_size);
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od->len -= bytes_to_copy;
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2006-07-20 18:02:40 +02:00
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2009-02-26 21:03:06 +01:00
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trailer_length = od->buffer_size - od->pos;
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if (bytes_to_copy > trailer_length) {
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memcpy((unsigned char*)buffer->mData + dest_pos,
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od->buffer + od->pos, trailer_length);
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2006-07-20 18:02:40 +02:00
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od->pos = 0;
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2009-02-26 21:03:06 +01:00
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dest_pos += trailer_length;
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bytes_to_copy -= trailer_length;
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2006-07-20 18:02:40 +02:00
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}
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2005-03-14 05:30:32 +01:00
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2009-02-26 21:03:06 +01:00
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memcpy((unsigned char*)buffer->mData + dest_pos,
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od->buffer + od->pos, bytes_to_copy);
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od->pos += bytes_to_copy;
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2005-03-16 05:46:41 +01:00
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2009-02-26 21:03:06 +01:00
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if (od->pos >= od->buffer_size)
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2006-07-20 18:02:40 +02:00
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od->pos = 0;
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2009-02-10 20:57:21 +01:00
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2008-12-28 22:09:42 +01:00
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g_cond_signal(od->condition);
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2011-09-01 18:21:40 +02:00
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g_mutex_unlock(od->mutex);
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2005-03-14 05:30:32 +01:00
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2011-12-24 17:54:41 +01:00
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if (bytes_to_copy < buffer_size)
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memset((unsigned char*)buffer->mData + bytes_to_copy, 0,
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buffer_size - bytes_to_copy);
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2005-03-14 05:30:32 +01:00
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return 0;
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}
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2010-12-21 04:21:46 +01:00
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static bool
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osx_output_set_device(struct osx_output *oo, GError **error)
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{
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bool ret = true;
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OSStatus status;
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UInt32 size, numdevices;
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AudioDeviceID *deviceids = NULL;
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char name[256];
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unsigned int i;
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if (oo->component_subtype != kAudioUnitSubType_HALOutput)
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goto done;
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/* how many audio devices are there? */
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status = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices,
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&size,
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NULL);
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if (status != noErr) {
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2010-12-21 04:21:47 +01:00
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g_set_error(error, osx_output_quark(), status,
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2010-12-21 04:21:46 +01:00
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"Unable to determine number of OS X audio devices: %s",
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GetMacOSStatusCommentString(status));
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ret = false;
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goto done;
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}
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/* what are the available audio device IDs? */
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numdevices = size / sizeof(AudioDeviceID);
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deviceids = g_malloc(size);
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status = AudioHardwareGetProperty(kAudioHardwarePropertyDevices,
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&size,
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deviceids);
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if (status != noErr) {
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2010-12-21 04:21:47 +01:00
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g_set_error(error, osx_output_quark(), status,
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2010-12-21 04:21:46 +01:00
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"Unable to determine OS X audio device IDs: %s",
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GetMacOSStatusCommentString(status));
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ret = false;
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goto done;
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}
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/* which audio device matches oo->device_name? */
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for (i = 0; i < numdevices; i++) {
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size = sizeof(name);
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status = AudioDeviceGetProperty(deviceids[i], 0, false,
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kAudioDevicePropertyDeviceName,
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&size, name);
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if (status != noErr) {
|
2010-12-21 04:21:47 +01:00
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g_set_error(error, osx_output_quark(), status,
|
2010-12-21 04:21:46 +01:00
|
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"Unable to determine OS X device name "
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"(device %u): %s",
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(unsigned int) deviceids[i],
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GetMacOSStatusCommentString(status));
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ret = false;
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goto done;
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}
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if (strcmp(oo->device_name, name) == 0) {
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g_debug("found matching device: ID=%u, name=%s",
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(unsigned int) deviceids[i], name);
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break;
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}
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}
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if (i == numdevices) {
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g_warning("Found no audio device with name '%s' "
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"(will use default audio device)",
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oo->device_name);
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goto done;
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|
|
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}
|
|
|
|
|
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status = AudioUnitSetProperty(oo->au,
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|
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kAudioOutputUnitProperty_CurrentDevice,
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kAudioUnitScope_Global,
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0,
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&(deviceids[i]),
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|
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sizeof(AudioDeviceID));
|
|
|
|
if (status != noErr) {
|
2010-12-21 04:21:47 +01:00
|
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|
g_set_error(error, osx_output_quark(), status,
|
2010-12-21 04:21:46 +01:00
|
|
|
"Unable to set OS X audio output device: %s",
|
|
|
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GetMacOSStatusCommentString(status));
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|
|
ret = false;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
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g_debug("set OS X audio output device ID=%u, name=%s",
|
|
|
|
(unsigned int) deviceids[i], name);
|
|
|
|
|
|
|
|
done:
|
|
|
|
if (deviceids != NULL)
|
|
|
|
g_free(deviceids);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2008-10-29 20:40:27 +01:00
|
|
|
static bool
|
2011-09-16 23:31:48 +02:00
|
|
|
osx_output_open(struct audio_output *ao, struct audio_format *audio_format, GError **error)
|
2006-07-20 18:02:40 +02:00
|
|
|
{
|
2011-09-16 23:31:48 +02:00
|
|
|
struct osx_output *od = (struct osx_output *)ao;
|
2005-03-16 05:46:41 +01:00
|
|
|
ComponentDescription desc;
|
|
|
|
Component comp;
|
|
|
|
AURenderCallbackStruct callback;
|
2009-02-26 21:03:06 +01:00
|
|
|
AudioStreamBasicDescription stream_description;
|
2009-02-26 22:01:42 +01:00
|
|
|
OSStatus status;
|
|
|
|
ComponentResult result;
|
2005-03-16 05:46:41 +01:00
|
|
|
|
|
|
|
desc.componentType = kAudioUnitType_Output;
|
2010-12-21 04:21:46 +01:00
|
|
|
desc.componentSubType = od->component_subtype;
|
2005-03-16 05:46:41 +01:00
|
|
|
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
|
|
|
|
desc.componentFlags = 0;
|
|
|
|
desc.componentFlagsMask = 0;
|
|
|
|
|
|
|
|
comp = FindNextComponent(NULL, &desc);
|
2006-07-20 18:02:40 +02:00
|
|
|
if (comp == 0) {
|
2009-02-26 22:04:59 +01:00
|
|
|
g_set_error(error, osx_output_quark(), 0,
|
|
|
|
"Error finding OS X component");
|
2008-10-29 20:40:27 +01:00
|
|
|
return false;
|
2005-03-14 05:30:32 +01:00
|
|
|
}
|
|
|
|
|
2009-02-26 22:01:42 +01:00
|
|
|
status = OpenAComponent(comp, &od->au);
|
|
|
|
if (status != noErr) {
|
2010-12-21 04:21:47 +01:00
|
|
|
g_set_error(error, osx_output_quark(), status,
|
2009-02-26 22:04:59 +01:00
|
|
|
"Unable to open OS X component: %s",
|
|
|
|
GetMacOSStatusCommentString(status));
|
2008-10-29 20:40:27 +01:00
|
|
|
return false;
|
2005-03-14 05:30:32 +01:00
|
|
|
}
|
|
|
|
|
2009-02-26 22:01:42 +01:00
|
|
|
status = AudioUnitInitialize(od->au);
|
|
|
|
if (status != noErr) {
|
2005-03-16 05:46:41 +01:00
|
|
|
CloseComponent(od->au);
|
2010-12-21 04:21:47 +01:00
|
|
|
g_set_error(error, osx_output_quark(), status,
|
2009-02-26 22:04:59 +01:00
|
|
|
"Unable to initialize OS X audio unit: %s",
|
|
|
|
GetMacOSStatusCommentString(status));
|
2008-10-29 20:40:27 +01:00
|
|
|
return false;
|
2005-03-16 05:46:41 +01:00
|
|
|
}
|
|
|
|
|
2010-12-21 04:21:46 +01:00
|
|
|
if (!osx_output_set_device(od, error))
|
|
|
|
return false;
|
|
|
|
|
2005-03-16 05:46:41 +01:00
|
|
|
callback.inputProc = osx_render;
|
|
|
|
callback.inputProcRefCon = od;
|
|
|
|
|
2009-02-26 22:01:42 +01:00
|
|
|
result = AudioUnitSetProperty(od->au,
|
|
|
|
kAudioUnitProperty_SetRenderCallback,
|
|
|
|
kAudioUnitScope_Input, 0,
|
|
|
|
&callback, sizeof(callback));
|
|
|
|
if (result != noErr) {
|
2005-03-16 05:46:41 +01:00
|
|
|
AudioUnitUninitialize(od->au);
|
|
|
|
CloseComponent(od->au);
|
2010-12-21 04:21:47 +01:00
|
|
|
g_set_error(error, osx_output_quark(), result,
|
2009-02-26 22:04:59 +01:00
|
|
|
"unable to set callback for OS X audio unit");
|
2008-10-29 20:40:27 +01:00
|
|
|
return false;
|
2005-03-16 05:46:41 +01:00
|
|
|
}
|
2005-03-14 05:30:32 +01:00
|
|
|
|
2009-02-26 21:03:06 +01:00
|
|
|
stream_description.mSampleRate = audio_format->sample_rate;
|
|
|
|
stream_description.mFormatID = kAudioFormatLinearPCM;
|
|
|
|
stream_description.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger;
|
2009-11-10 17:11:34 +01:00
|
|
|
|
|
|
|
switch (audio_format->format) {
|
|
|
|
case SAMPLE_FORMAT_S8:
|
|
|
|
stream_description.mBitsPerChannel = 8;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SAMPLE_FORMAT_S16:
|
|
|
|
stream_description.mBitsPerChannel = 16;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
audio_format->format = SAMPLE_FORMAT_S16;
|
|
|
|
stream_description.mBitsPerChannel = 16;
|
|
|
|
break;
|
|
|
|
}
|
2005-03-16 05:46:41 +01:00
|
|
|
|
2011-01-07 17:15:37 +01:00
|
|
|
#if G_BYTE_ORDER == G_BIG_ENDIAN
|
|
|
|
stream_description.mFormatFlags |= kLinearPCMFormatFlagIsBigEndian;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
stream_description.mBytesPerPacket =
|
|
|
|
audio_format_frame_size(audio_format);
|
|
|
|
stream_description.mFramesPerPacket = 1;
|
|
|
|
stream_description.mBytesPerFrame = stream_description.mBytesPerPacket;
|
|
|
|
stream_description.mChannelsPerFrame = audio_format->channels;
|
|
|
|
|
2009-02-26 22:01:42 +01:00
|
|
|
result = AudioUnitSetProperty(od->au, kAudioUnitProperty_StreamFormat,
|
|
|
|
kAudioUnitScope_Input, 0,
|
|
|
|
&stream_description,
|
|
|
|
sizeof(stream_description));
|
|
|
|
if (result != noErr) {
|
2005-03-16 05:46:41 +01:00
|
|
|
AudioUnitUninitialize(od->au);
|
|
|
|
CloseComponent(od->au);
|
2010-12-21 04:21:47 +01:00
|
|
|
g_set_error(error, osx_output_quark(), result,
|
2009-02-26 22:04:59 +01:00
|
|
|
"Unable to set format on OS X device");
|
2008-10-29 20:40:27 +01:00
|
|
|
return false;
|
2005-03-16 05:46:41 +01:00
|
|
|
}
|
|
|
|
|
2005-03-17 04:28:05 +01:00
|
|
|
/* create a buffer of 1s */
|
2009-02-26 21:03:06 +01:00
|
|
|
od->buffer_size = (audio_format->sample_rate) *
|
|
|
|
audio_format_frame_size(audio_format);
|
|
|
|
od->buffer = g_realloc(od->buffer, od->buffer_size);
|
2005-03-17 04:08:34 +01:00
|
|
|
|
2005-03-14 05:30:32 +01:00
|
|
|
od->pos = 0;
|
|
|
|
od->len = 0;
|
2005-03-13 20:23:09 +01:00
|
|
|
|
2009-02-26 22:01:42 +01:00
|
|
|
status = AudioOutputUnitStart(od->au);
|
|
|
|
if (status != 0) {
|
2010-12-21 04:21:47 +01:00
|
|
|
g_set_error(error, osx_output_quark(), status,
|
2009-02-26 22:04:59 +01:00
|
|
|
"unable to start audio output: %s",
|
|
|
|
GetMacOSStatusCommentString(status));
|
2009-02-26 21:40:22 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2008-10-29 20:40:27 +01:00
|
|
|
return true;
|
2005-03-13 20:23:09 +01:00
|
|
|
}
|
|
|
|
|
2009-02-23 09:29:56 +01:00
|
|
|
static size_t
|
2011-09-16 23:31:48 +02:00
|
|
|
osx_output_play(struct audio_output *ao, const void *chunk, size_t size,
|
2009-02-26 22:04:59 +01:00
|
|
|
G_GNUC_UNUSED GError **error)
|
2006-07-20 18:02:40 +02:00
|
|
|
{
|
2011-09-16 23:31:48 +02:00
|
|
|
struct osx_output *od = (struct osx_output *)ao;
|
2009-02-23 09:29:56 +01:00
|
|
|
size_t start, nbytes;
|
2005-03-14 05:30:32 +01:00
|
|
|
|
2008-12-28 22:09:42 +01:00
|
|
|
g_mutex_lock(od->mutex);
|
2005-03-14 05:30:32 +01:00
|
|
|
|
2009-02-26 21:03:06 +01:00
|
|
|
while (od->len >= od->buffer_size)
|
2009-02-23 09:29:56 +01:00
|
|
|
/* wait for some free space in the buffer */
|
|
|
|
g_cond_wait(od->condition, od->mutex);
|
2005-03-24 12:45:39 +01:00
|
|
|
|
2009-02-23 09:29:56 +01:00
|
|
|
start = od->pos + od->len;
|
2009-02-26 21:03:06 +01:00
|
|
|
if (start >= od->buffer_size)
|
|
|
|
start -= od->buffer_size;
|
2005-03-24 12:45:39 +01:00
|
|
|
|
2009-02-23 09:29:56 +01:00
|
|
|
nbytes = start < od->pos
|
|
|
|
? od->pos - start
|
2009-02-26 21:03:06 +01:00
|
|
|
: od->buffer_size - start;
|
2005-03-14 05:30:32 +01:00
|
|
|
|
2009-02-23 09:29:56 +01:00
|
|
|
assert(nbytes > 0);
|
2005-03-16 05:46:41 +01:00
|
|
|
|
2009-02-23 09:29:56 +01:00
|
|
|
if (nbytes > size)
|
|
|
|
nbytes = size;
|
2005-03-16 05:46:41 +01:00
|
|
|
|
2009-02-23 09:34:26 +01:00
|
|
|
memcpy(od->buffer + start, chunk, nbytes);
|
2009-02-23 09:29:56 +01:00
|
|
|
od->len += nbytes;
|
2009-02-10 20:57:21 +01:00
|
|
|
|
2008-12-28 22:09:42 +01:00
|
|
|
g_mutex_unlock(od->mutex);
|
2005-03-13 20:23:09 +01:00
|
|
|
|
2009-02-23 09:29:56 +01:00
|
|
|
return nbytes;
|
2005-03-13 20:23:09 +01:00
|
|
|
}
|
|
|
|
|
2011-09-17 20:04:18 +02:00
|
|
|
const struct audio_output_plugin osx_output_plugin = {
|
2008-09-29 15:55:17 +02:00
|
|
|
.name = "osx",
|
2009-02-26 21:03:06 +01:00
|
|
|
.test_default_device = osx_output_test_default_device,
|
|
|
|
.init = osx_output_init,
|
|
|
|
.finish = osx_output_finish,
|
|
|
|
.open = osx_output_open,
|
|
|
|
.close = osx_output_close,
|
|
|
|
.play = osx_output_play,
|
|
|
|
.cancel = osx_output_cancel,
|
2005-03-13 20:23:09 +01:00
|
|
|
};
|