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Diffstat (limited to '')
-rw-r--r-- | src/OutputInit.cxx | 331 |
1 files changed, 0 insertions, 331 deletions
diff --git a/src/OutputInit.cxx b/src/OutputInit.cxx deleted file mode 100644 index 28eba1ab2..000000000 --- a/src/OutputInit.cxx +++ /dev/null @@ -1,331 +0,0 @@ -/* - * Copyright (C) 2003-2013 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 "OutputInternal.hxx" -#include "OutputControl.hxx" -#include "OutputList.hxx" -#include "OutputError.hxx" -#include "OutputAPI.hxx" -#include "FilterConfig.hxx" -#include "AudioParser.hxx" -#include "MixerList.hxx" -#include "MixerType.hxx" -#include "MixerControl.hxx" -#include "mixer/SoftwareMixerPlugin.hxx" -#include "FilterPlugin.hxx" -#include "FilterRegistry.hxx" -#include "filter/AutoConvertFilterPlugin.hxx" -#include "filter/ReplayGainFilterPlugin.hxx" -#include "filter/ChainFilterPlugin.hxx" -#include "ConfigError.hxx" -#include "ConfigGlobal.hxx" -#include "util/Error.hxx" -#include "Log.hxx" - -#include <assert.h> -#include <string.h> - -#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(Error &error) -{ - LogDefault(output_domain, "Attempt to detect audio output device"); - - audio_output_plugins_for_each(plugin) { - if (plugin->test_default_device == nullptr) - continue; - - FormatDefault(output_domain, - "Attempting to detect a %s audio device", - plugin->name); - if (ao_plugin_test_default_device(plugin)) - return plugin; - } - - error.Set(output_domain, "Unable to detect an audio device"); - return nullptr; -} - -/** - * 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. - */ -gcc_pure -static enum mixer_type -audio_output_mixer_type(const config_param ¶m) -{ - /* read the local "mixer_type" setting */ - const char *p = param.GetBlockValue("mixer_type"); - if (p != nullptr) - return mixer_type_parse(p); - - /* try the local "mixer_enabled" setting next (deprecated) */ - if (!param.GetBlockValue("mixer_enabled", true)) - return MIXER_TYPE_NONE; - - /* fall back to the global "mixer_type" setting (also - deprecated) */ - return mixer_type_parse(config_get_string(CONF_MIXER_TYPE, - "hardware")); -} - -static Mixer * -audio_output_load_mixer(struct audio_output *ao, - const config_param ¶m, - const struct mixer_plugin *plugin, - Filter &filter_chain, - Error &error) -{ - Mixer *mixer; - - switch (audio_output_mixer_type(param)) { - case MIXER_TYPE_NONE: - case MIXER_TYPE_UNKNOWN: - return nullptr; - - case MIXER_TYPE_HARDWARE: - if (plugin == nullptr) - return nullptr; - - return mixer_new(plugin, ao, param, error); - - case MIXER_TYPE_SOFTWARE: - mixer = mixer_new(&software_mixer_plugin, nullptr, - config_param(), - IgnoreError()); - assert(mixer != nullptr); - - filter_chain_append(filter_chain, "software_mixer", - software_mixer_get_filter(mixer)); - return mixer; - } - - assert(false); - gcc_unreachable(); -} - -bool -ao_base_init(struct audio_output *ao, - const struct audio_output_plugin *plugin, - const config_param ¶m, Error &error) -{ - assert(ao != nullptr); - assert(plugin != nullptr); - assert(plugin->finish != nullptr); - assert(plugin->open != nullptr); - assert(plugin->close != nullptr); - assert(plugin->play != nullptr); - - if (!param.IsNull()) { - ao->name = param.GetBlockValue(AUDIO_OUTPUT_NAME); - if (ao->name == nullptr) { - error.Set(config_domain, - "Missing \"name\" configuration"); - return false; - } - - const char *p = param.GetBlockValue(AUDIO_OUTPUT_FORMAT); - if (p != nullptr) { - bool success = - audio_format_parse(ao->config_audio_format, - p, true, error); - if (!success) - return false; - } else - ao->config_audio_format.Clear(); - } else { - ao->name = "default detected output"; - - ao->config_audio_format.Clear(); - } - - ao->plugin = plugin; - ao->tags = param.GetBlockValue("tags", true); - ao->always_on = param.GetBlockValue("always_on", false); - ao->enabled = param.GetBlockValue("enabled", true); - ao->really_enabled = false; - ao->open = false; - ao->pause = false; - ao->allow_play = true; - ao->in_playback_loop = false; - ao->woken_for_play = false; - ao->fail_timer = nullptr; - - /* set up the filter chain */ - - ao->filter = filter_chain_new(); - assert(ao->filter != nullptr); - - /* create the normalization filter (if configured) */ - - if (config_get_bool(CONF_VOLUME_NORMALIZATION, false)) { - Filter *normalize_filter = - filter_new(&normalize_filter_plugin, config_param(), - IgnoreError()); - assert(normalize_filter != nullptr); - - filter_chain_append(*ao->filter, "normalize", - autoconvert_filter_new(normalize_filter)); - } - - Error filter_error; - filter_chain_parse(*ao->filter, - param.GetBlockValue(AUDIO_FILTERS, ""), - filter_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 (filter_error.IsDefined()) - FormatError(filter_error, - "Failed to initialize filter chain for '%s'", - ao->name); - - ao->command = AO_COMMAND_NONE; - - ao->mixer = nullptr; - ao->replay_gain_filter = nullptr; - ao->other_replay_gain_filter = nullptr; - - /* done */ - - return true; -} - -static bool -audio_output_setup(struct audio_output *ao, const config_param ¶m, - Error &error) -{ - - /* create the replay_gain filter */ - - const char *replay_gain_handler = - param.GetBlockValue("replay_gain_handler", "software"); - - if (strcmp(replay_gain_handler, "none") != 0) { - ao->replay_gain_filter = filter_new(&replay_gain_filter_plugin, - param, IgnoreError()); - assert(ao->replay_gain_filter != nullptr); - - ao->replay_gain_serial = 0; - - ao->other_replay_gain_filter = filter_new(&replay_gain_filter_plugin, - param, - IgnoreError()); - assert(ao->other_replay_gain_filter != nullptr); - - ao->other_replay_gain_serial = 0; - } else { - ao->replay_gain_filter = nullptr; - ao->other_replay_gain_filter = nullptr; - } - - /* set up the mixer */ - - Error mixer_error; - ao->mixer = audio_output_load_mixer(ao, param, - ao->plugin->mixer_plugin, - *ao->filter, mixer_error); - if (ao->mixer == nullptr && mixer_error.IsDefined()) - FormatError(mixer_error, - "Failed to initialize hardware mixer for '%s'", - ao->name); - - /* use the hardware mixer for replay gain? */ - - if (strcmp(replay_gain_handler, "mixer") == 0) { - if (ao->mixer != nullptr) - replay_gain_filter_set_mixer(ao->replay_gain_filter, - ao->mixer, 100); - else - FormatError(output_domain, - "No such mixer for output '%s'", ao->name); - } else if (strcmp(replay_gain_handler, "software") != 0 && - ao->replay_gain_filter != nullptr) { - error.Set(config_domain, - "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, config_param(), - IgnoreError()); - assert(ao->convert_filter != nullptr); - - filter_chain_append(*ao->filter, "convert", ao->convert_filter); - - return true; -} - -struct audio_output * -audio_output_new(const config_param ¶m, - PlayerControl &pc, - Error &error) -{ - const struct audio_output_plugin *plugin; - - if (!param.IsNull()) { - const char *p; - - p = param.GetBlockValue(AUDIO_OUTPUT_TYPE); - if (p == nullptr) { - error.Set(config_domain, - "Missing \"type\" configuration"); - return nullptr; - } - - plugin = audio_output_plugin_get(p); - if (plugin == nullptr) { - error.Format(config_domain, - "No such audio output plugin: %s", p); - return nullptr; - } - } else { - LogWarning(output_domain, - "No 'audio_output' defined in config file"); - - plugin = audio_output_detect(error); - if (plugin == nullptr) - return nullptr; - - FormatDefault(output_domain, - "Successfully detected a %s audio device", - plugin->name); - } - - struct audio_output *ao = ao_plugin_init(plugin, param, error); - if (ao == nullptr) - return nullptr; - - if (!audio_output_setup(ao, param, error)) { - ao_plugin_finish(ao); - return nullptr; - } - - ao->player_control = &pc; - return ao; -} |