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author | Max Kellermann <max@duempel.org> | 2013-01-04 09:46:41 +0100 |
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committer | Max Kellermann <max@duempel.org> | 2013-01-04 09:46:41 +0100 |
commit | de0ab43bc12be345d85779e444266153ff5be007 (patch) | |
tree | ce024a0c25c6fc75c65438b562b6300c06737a33 /src/output_init.c | |
parent | e12cc01aa4b25798a2887ac6c5e01309e744ea8b (diff) | |
download | mpd-de0ab43bc12be345d85779e444266153ff5be007.tar.gz mpd-de0ab43bc12be345d85779e444266153ff5be007.tar.xz mpd-de0ab43bc12be345d85779e444266153ff5be007.zip |
output_*: convert to C++
Diffstat (limited to 'src/output_init.c')
-rw-r--r-- | src/output_init.c | 333 |
1 files changed, 0 insertions, 333 deletions
diff --git a/src/output_init.c b/src/output_init.c deleted file mode 100644 index a6d191920..000000000 --- a/src/output_init.c +++ /dev/null @@ -1,333 +0,0 @@ -/* - * Copyright (C) 2003-2011 The Music Player Daemon Project - * http://www.musicpd.org - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "output_control.h" -#include "output_api.h" -#include "output_internal.h" -#include "output_list.h" -#include "audio_parser.h" -#include "mixer_control.h" -#include "mixer_type.h" -#include "mixer_list.h" -#include "mixer/software_mixer_plugin.h" -#include "filter_plugin.h" -#include "filter_registry.h" -#include "filter_config.h" -#include "filter/chain_filter_plugin.h" -#include "filter/autoconvert_filter_plugin.h" -#include "filter/replay_gain_filter_plugin.h" - -#include <glib.h> - -#include <assert.h> - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "output" - -#define AUDIO_OUTPUT_TYPE "type" -#define AUDIO_OUTPUT_NAME "name" -#define AUDIO_OUTPUT_FORMAT "format" -#define AUDIO_FILTERS "filters" - -static const struct audio_output_plugin * -audio_output_detect(GError **error) -{ - g_warning("Attempt to detect audio output device"); - - audio_output_plugins_for_each(plugin) { - if (plugin->test_default_device == NULL) - continue; - - g_warning("Attempting to detect a %s audio device", - plugin->name); - if (ao_plugin_test_default_device(plugin)) - return plugin; - } - - g_set_error(error, audio_output_quark(), 0, - "Unable to detect an audio device"); - return NULL; -} - -/** - * Determines the mixer type which should be used for the specified - * configuration block. - * - * This handles the deprecated options mixer_type (global) and - * mixer_enabled, if the mixer_type setting is not configured. - */ -static enum mixer_type -audio_output_mixer_type(const struct config_param *param) -{ - /* read the local "mixer_type" setting */ - const char *p = config_get_block_string(param, "mixer_type", NULL); - if (p != NULL) - return mixer_type_parse(p); - - /* try the local "mixer_enabled" setting next (deprecated) */ - if (!config_get_block_bool(param, "mixer_enabled", true)) - return MIXER_TYPE_NONE; - - /* fall back to the global "mixer_type" setting (also - deprecated) */ - return mixer_type_parse(config_get_string("mixer_type", "hardware")); -} - -static struct mixer * -audio_output_load_mixer(struct audio_output *ao, - const struct config_param *param, - const struct mixer_plugin *plugin, - struct filter *filter_chain, - GError **error_r) -{ - struct mixer *mixer; - - switch (audio_output_mixer_type(param)) { - case MIXER_TYPE_NONE: - case MIXER_TYPE_UNKNOWN: - return NULL; - - case MIXER_TYPE_HARDWARE: - if (plugin == NULL) - return NULL; - - return mixer_new(plugin, ao, param, error_r); - - case MIXER_TYPE_SOFTWARE: - mixer = mixer_new(&software_mixer_plugin, NULL, NULL, NULL); - assert(mixer != NULL); - - filter_chain_append(filter_chain, - software_mixer_get_filter(mixer)); - return mixer; - } - - assert(false); - return NULL; -} - -bool -ao_base_init(struct audio_output *ao, - const struct audio_output_plugin *plugin, - const struct config_param *param, GError **error_r) -{ - assert(ao != NULL); - assert(plugin != NULL); - assert(plugin->finish != NULL); - assert(plugin->open != NULL); - assert(plugin->close != NULL); - assert(plugin->play != NULL); - - GError *error = NULL; - - if (param) { - const char *p; - - ao->name = config_get_block_string(param, AUDIO_OUTPUT_NAME, - NULL); - if (ao->name == NULL) { - g_set_error(error_r, audio_output_quark(), 0, - "Missing \"name\" configuration"); - return false; - } - - p = config_get_block_string(param, AUDIO_OUTPUT_FORMAT, - NULL); - if (p != NULL) { - bool success = - audio_format_parse(&ao->config_audio_format, - p, true, error_r); - if (!success) - return false; - } else - audio_format_clear(&ao->config_audio_format); - } else { - ao->name = "default detected output"; - - audio_format_clear(&ao->config_audio_format); - } - - ao->plugin = plugin; - ao->tags = config_get_block_bool(param, "tags", true); - ao->always_on = config_get_block_bool(param, "always_on", false); - ao->enabled = config_get_block_bool(param, "enabled", true); - ao->really_enabled = false; - ao->open = false; - ao->pause = false; - ao->allow_play = true; - ao->fail_timer = NULL; - - pcm_buffer_init(&ao->cross_fade_buffer); - - /* set up the filter chain */ - - ao->filter = filter_chain_new(); - assert(ao->filter != NULL); - - /* create the normalization filter (if configured) */ - - if (config_get_bool(CONF_VOLUME_NORMALIZATION, false)) { - struct filter *normalize_filter = - filter_new(&normalize_filter_plugin, NULL, NULL); - assert(normalize_filter != NULL); - - filter_chain_append(ao->filter, - autoconvert_filter_new(normalize_filter)); - } - - filter_chain_parse(ao->filter, - config_get_block_string(param, AUDIO_FILTERS, ""), - &error - ); - - // It's not really fatal - Part of the filter chain has been set up already - // and even an empty one will work (if only with unexpected behaviour) - if (error != NULL) { - g_warning("Failed to initialize filter chain for '%s': %s", - ao->name, error->message); - g_error_free(error); - } - - ao->thread = NULL; - ao->command = AO_COMMAND_NONE; - ao->mutex = g_mutex_new(); - ao->cond = g_cond_new(); - - ao->mixer = NULL; - ao->replay_gain_filter = NULL; - ao->other_replay_gain_filter = NULL; - - /* done */ - - return true; -} - -static bool -audio_output_setup(struct audio_output *ao, const struct config_param *param, - GError **error_r) -{ - - /* create the replay_gain filter */ - - const char *replay_gain_handler = - config_get_block_string(param, "replay_gain_handler", - "software"); - - if (strcmp(replay_gain_handler, "none") != 0) { - ao->replay_gain_filter = filter_new(&replay_gain_filter_plugin, - param, NULL); - assert(ao->replay_gain_filter != NULL); - - ao->replay_gain_serial = 0; - - ao->other_replay_gain_filter = filter_new(&replay_gain_filter_plugin, - param, NULL); - assert(ao->other_replay_gain_filter != NULL); - - ao->other_replay_gain_serial = 0; - } else { - ao->replay_gain_filter = NULL; - ao->other_replay_gain_filter = NULL; - } - - /* set up the mixer */ - - GError *error = NULL; - ao->mixer = audio_output_load_mixer(ao, param, - ao->plugin->mixer_plugin, - ao->filter, &error); - if (ao->mixer == NULL && error != NULL) { - g_warning("Failed to initialize hardware mixer for '%s': %s", - ao->name, error->message); - g_error_free(error); - } - - /* use the hardware mixer for replay gain? */ - - if (strcmp(replay_gain_handler, "mixer") == 0) { - if (ao->mixer != NULL) - replay_gain_filter_set_mixer(ao->replay_gain_filter, - ao->mixer, 100); - else - g_warning("No such mixer for output '%s'", ao->name); - } else if (strcmp(replay_gain_handler, "software") != 0 && - ao->replay_gain_filter != NULL) { - g_set_error(error_r, audio_output_quark(), 0, - "Invalid \"replay_gain_handler\" value"); - return false; - } - - /* the "convert" filter must be the last one in the chain */ - - ao->convert_filter = filter_new(&convert_filter_plugin, NULL, NULL); - assert(ao->convert_filter != NULL); - - filter_chain_append(ao->filter, ao->convert_filter); - - return true; -} - -struct audio_output * -audio_output_new(const struct config_param *param, - struct player_control *pc, - GError **error_r) -{ - const struct audio_output_plugin *plugin; - - if (param) { - const char *p; - - p = config_get_block_string(param, AUDIO_OUTPUT_TYPE, NULL); - if (p == NULL) { - g_set_error(error_r, audio_output_quark(), 0, - "Missing \"type\" configuration"); - return false; - } - - plugin = audio_output_plugin_get(p); - if (plugin == NULL) { - g_set_error(error_r, audio_output_quark(), 0, - "No such audio output plugin: %s", p); - return false; - } - } else { - g_warning("No \"%s\" defined in config file\n", - CONF_AUDIO_OUTPUT); - - plugin = audio_output_detect(error_r); - if (plugin == NULL) - return false; - - g_message("Successfully detected a %s audio device", - plugin->name); - } - - struct audio_output *ao = ao_plugin_init(plugin, param, error_r); - if (ao == NULL) - return NULL; - - if (!audio_output_setup(ao, param, error_r)) { - ao_plugin_finish(ao); - return NULL; - } - - ao->player_control = pc; - return ao; -} |