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/* output.c - Output module frontend
*
* Copyright (C) 2007 Ivo Clarysse, (C) 2012 Henner Zeller
*
* This file is part of GMediaRender.
*
* GMediaRender 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.
*
* GMediaRender 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GMediaRender; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <signal.h>
#include <glib.h>
#include "logging.h"
#include "output_module.h"
#ifdef HAVE_GST
#include "output_gstreamer.h"
#endif
#include "output.h"
static struct output_module *modules[] = {
#ifdef HAVE_GST
&gstreamer_output,
#else
// this will be a runtime error, but there is not much point
// in waiting till then.
#error "No output configured. You need to ./configure --with-gstreamer"
#endif
};
static struct output_module *output_module = NULL;
void output_dump_modules(void)
{
int count;
count = sizeof(modules) / sizeof(struct output_module *);
if (count == 0) {
puts(" NONE!");
} else {
int i;
for (i=0; i<count; i++) {
printf("Available output: %s\t%s%s\n",
modules[i]->shortname,
modules[i]->description,
(i==0) ? " (default)" : "");
}
}
}
int output_init(const char *shortname)
{
int count;
count = sizeof(modules) / sizeof(struct output_module *);
if (count == 0) {
Log_error("output", "No output module available");
return -1;
}
if (shortname == NULL) {
output_module = modules[0];
} else {
int i;
for (i=0; i<count; i++) {
if (strcmp(modules[i]->shortname, shortname)==0) {
output_module = modules[i];
break;
}
}
}
if (output_module == NULL) {
Log_error("error", "ERROR: No such output module: '%s'",
shortname);
return -1;
}
Log_info("output", "Using output module: %s (%s)",
output_module->shortname, output_module->description);
if (output_module->init) {
return output_module->init();
}
return 0;
}
static GMainLoop *main_loop_ = NULL;
static void exit_loop_sighandler(int sig) {
if (main_loop_) {
// TODO(hzeller): revisit - this is not safe to do.
g_main_loop_quit(main_loop_);
}
}
int output_loop()
{
/* Create a main loop that runs the default GLib main context */
main_loop_ = g_main_loop_new(NULL, FALSE);
signal(SIGINT, &exit_loop_sighandler);
signal(SIGTERM, &exit_loop_sighandler);
g_main_loop_run(main_loop_);
return 0;
}
int output_add_options(GOptionContext *ctx)
{
int count, i;
count = sizeof(modules) / sizeof(struct output_module *);
for (i = 0; i < count; ++i) {
if (modules[i]->add_options) {
int result = modules[i]->add_options(ctx);
if (result != 0) {
return result;
}
}
}
return 0;
}
void output_set_uri(const char *uri, output_update_meta_cb_t meta_cb) {
if (output_module && output_module->set_uri) {
output_module->set_uri(uri, meta_cb);
}
}
void output_set_next_uri(const char *uri) {
if (output_module && output_module->set_next_uri) {
output_module->set_next_uri(uri);
}
}
int output_play(output_transition_cb_t transition_callback) {
if (output_module && output_module->play) {
return output_module->play(transition_callback);
}
return -1;
}
int output_pause(void) {
if (output_module && output_module->pause) {
return output_module->pause();
}
return -1;
}
int output_stop(void) {
if (output_module && output_module->stop) {
return output_module->stop();
}
return -1;
}
int output_seek(gint64 position_nanos) {
if (output_module && output_module->seek) {
return output_module->seek(position_nanos);
}
return -1;
}
int output_get_position(gint64 *track_dur, gint64 *track_pos) {
if (output_module && output_module->get_position) {
return output_module->get_position(track_dur, track_pos);
}
return -1;
}
int output_get_volume(float *value) {
if (output_module && output_module->get_volume) {
return output_module->get_volume(value);
}
return -1;
}
int output_set_volume(float value) {
if (output_module && output_module->set_volume) {
return output_module->set_volume(value);
}
return -1;
}
int output_get_mute(int *value) {
if (output_module && output_module->get_mute) {
return output_module->get_mute(value);
}
return -1;
}
int output_set_mute(int value) {
if (output_module && output_module->set_mute) {
return output_module->set_mute(value);
}
return -1;
}
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