2009-07-05 06:54:48 +02:00
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/*
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2013-01-04 20:50:00 +01:00
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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2009-07-05 06:54:48 +02:00
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* 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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*
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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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*/
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2009-11-12 09:12:38 +01:00
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#include "config.h"
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2009-07-05 06:54:48 +02:00
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#include "conf.h"
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2013-01-29 17:23:35 +01:00
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#include "fs/Path.hxx"
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2013-01-30 21:47:12 +01:00
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#include "AudioParser.hxx"
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2009-07-05 06:54:48 +02:00
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#include "audio_format.h"
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#include "filter_plugin.h"
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2013-01-31 20:33:26 +01:00
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#include "PcmVolume.hxx"
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2010-02-16 08:55:37 +01:00
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#include "mixer_control.h"
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2010-05-20 07:17:20 +02:00
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#include "stdbin.h"
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2009-07-05 06:54:48 +02:00
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#include <glib.h>
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#include <assert.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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2010-02-16 08:55:37 +01:00
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bool
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mixer_set_volume(G_GNUC_UNUSED struct mixer *mixer,
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G_GNUC_UNUSED unsigned volume, G_GNUC_UNUSED GError **error_r)
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{
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return true;
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}
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2009-12-14 21:26:43 +01:00
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static void
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my_log_func(const gchar *log_domain, G_GNUC_UNUSED GLogLevelFlags log_level,
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const gchar *message, G_GNUC_UNUSED gpointer user_data)
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{
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if (log_domain != NULL)
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g_printerr("%s: %s\n", log_domain, message);
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else
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g_printerr("%s\n", message);
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}
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2009-07-05 06:54:48 +02:00
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static const struct config_param *
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2013-01-30 17:52:51 +01:00
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find_named_config_block(ConfigOption option, const char *name)
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2009-07-05 06:54:48 +02:00
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{
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const struct config_param *param = NULL;
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2013-01-30 17:52:51 +01:00
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while ((param = config_get_next_param(option, param)) != NULL) {
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2009-07-05 06:54:48 +02:00
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const char *current_name =
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config_get_block_string(param, "name", NULL);
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if (current_name != NULL && strcmp(current_name, name) == 0)
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return param;
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}
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return NULL;
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}
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static struct filter *
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load_filter(const char *name)
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{
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const struct config_param *param;
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struct filter *filter;
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GError *error = NULL;
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2013-01-30 17:52:51 +01:00
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param = find_named_config_block(CONF_AUDIO_FILTER, name);
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2009-07-05 06:54:48 +02:00
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if (param == NULL) {
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g_printerr("No such configured filter: %s\n", name);
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2013-01-29 17:23:58 +01:00
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return nullptr;
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2009-07-05 06:54:48 +02:00
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}
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filter = filter_configured_new(param, &error);
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if (filter == NULL) {
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g_printerr("Failed to load filter: %s\n", error->message);
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g_error_free(error);
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return NULL;
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}
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return filter;
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}
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int main(int argc, char **argv)
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{
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2009-07-19 17:24:43 +02:00
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struct audio_format audio_format;
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2009-11-10 17:57:14 +01:00
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struct audio_format_string af_string;
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2009-07-05 06:54:48 +02:00
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bool success;
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GError *error = NULL;
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struct filter *filter;
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const struct audio_format *out_audio_format;
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char buffer[4096];
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if (argc < 3 || argc > 4) {
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g_printerr("Usage: run_filter CONFIG NAME [FORMAT] <IN\n");
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return 1;
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}
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2013-01-29 17:23:35 +01:00
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const Path config_path = Path::FromFS(argv[1]);
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2009-11-10 17:11:34 +01:00
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audio_format_init(&audio_format, 44100, SAMPLE_FORMAT_S16, 2);
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2009-07-19 17:24:43 +02:00
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2009-12-14 21:26:43 +01:00
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/* initialize GLib */
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2009-07-05 06:54:48 +02:00
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g_thread_init(NULL);
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2009-12-14 21:26:43 +01:00
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g_log_set_default_handler(my_log_func, NULL);
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2009-07-05 06:54:48 +02:00
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/* read configuration file (mpd.conf) */
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config_global_init();
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2013-01-29 17:23:35 +01:00
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if (!ReadConfigFile(config_path, &error)) {
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2009-09-24 21:40:07 +02:00
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g_printerr("%s:", error->message);
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g_error_free(error);
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return 1;
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}
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2009-07-05 06:54:48 +02:00
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/* parse the audio format */
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if (argc > 3) {
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2009-10-21 23:01:04 +02:00
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success = audio_format_parse(&audio_format, argv[3],
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false, &error);
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2009-07-05 06:54:48 +02:00
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if (!success) {
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g_printerr("Failed to parse audio format: %s\n",
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error->message);
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g_error_free(error);
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return 1;
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}
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}
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/* initialize the filter */
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filter = load_filter(argv[2]);
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if (filter == NULL)
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return 1;
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/* open the filter */
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out_audio_format = filter_open(filter, &audio_format, &error);
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if (out_audio_format == NULL) {
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g_printerr("Failed to open filter: %s\n", error->message);
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g_error_free(error);
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filter_free(filter);
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return 1;
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}
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2009-11-10 17:57:14 +01:00
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g_printerr("audio_format=%s\n",
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audio_format_to_string(out_audio_format, &af_string));
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2009-07-05 06:54:48 +02:00
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/* play */
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while (true) {
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ssize_t nbytes;
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size_t length;
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const void *dest;
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nbytes = read(0, buffer, sizeof(buffer));
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if (nbytes <= 0)
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break;
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dest = filter_filter(filter, buffer, (size_t)nbytes,
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&length, &error);
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if (dest == NULL) {
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g_printerr("Filter failed: %s\n", error->message);
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filter_close(filter);
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filter_free(filter);
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return 1;
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}
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nbytes = write(1, dest, length);
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if (nbytes < 0) {
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2012-03-06 22:06:08 +01:00
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g_printerr("Failed to write: %s\n", g_strerror(errno));
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2009-07-05 06:54:48 +02:00
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filter_close(filter);
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filter_free(filter);
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return 1;
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}
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}
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/* cleanup and exit */
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filter_close(filter);
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filter_free(filter);
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config_global_finish();
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return 0;
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}
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