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/*
* 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 "io_thread.h"
#include "output_plugin.h"
#include "output_internal.h"
#include "output_control.h"
#include "conf.h"
#include "audio_parser.h"
#include "filter_registry.h"
#include "pcm_convert.h"
#include "event_pipe.h"
#include "idle.h"
#include "playlist.h"
#include "player_control.h"
#include "stdbin.h"
#include <glib.h>
#include <assert.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
struct playlist g_playlist;
void
idle_add(G_GNUC_UNUSED unsigned flags)
{
}
void
event_pipe_emit(G_GNUC_UNUSED enum pipe_event event)
{
}
void pcm_convert_init(G_GNUC_UNUSED struct pcm_convert_state *state)
{
}
void pcm_convert_deinit(G_GNUC_UNUSED struct pcm_convert_state *state)
{
}
const void *
pcm_convert(G_GNUC_UNUSED struct pcm_convert_state *state,
G_GNUC_UNUSED const struct audio_format *src_format,
G_GNUC_UNUSED const void *src, G_GNUC_UNUSED size_t src_size,
G_GNUC_UNUSED const struct audio_format *dest_format,
G_GNUC_UNUSED size_t *dest_size_r,
GError **error_r)
{
g_set_error(error_r, pcm_convert_quark(), 0,
"Not implemented");
return NULL;
}
const struct filter_plugin *
filter_plugin_by_name(G_GNUC_UNUSED const char *name)
{
assert(false);
return NULL;
}
static const struct config_param *
find_named_config_block(const char *block, const char *name)
{
const struct config_param *param = NULL;
while ((param = config_get_next_param(block, param)) != NULL) {
const char *current_name =
config_get_block_string(param, "name", NULL);
if (current_name != NULL && strcmp(current_name, name) == 0)
return param;
}
return NULL;
}
static bool
load_audio_output(struct audio_output *ao, const char *name)
{
const struct config_param *param;
bool success;
GError *error = NULL;
param = find_named_config_block(CONF_AUDIO_OUTPUT, name);
if (param == NULL) {
g_printerr("No such configured audio output: %s\n", name);
return false;
}
static struct player_control dummy_player_control;
success = audio_output_init(ao, param, &dummy_player_control, &error);
if (!success) {
g_printerr("%s\n", error->message);
g_error_free(error);
}
return success;
}
static bool
run_output(struct audio_output *ao, struct audio_format *audio_format)
{
/* open the audio output */
GError *error = NULL;
if (!ao_plugin_open(ao->plugin, ao->data, audio_format, &error)) {
g_printerr("Failed to open audio output: %s\n",
error->message);
g_error_free(error);
return false;
}
struct audio_format_string af_string;
g_printerr("audio_format=%s\n",
audio_format_to_string(audio_format, &af_string));
size_t frame_size = audio_format_frame_size(audio_format);
/* play */
size_t length = 0;
char buffer[4096];
while (true) {
if (length < sizeof(buffer)) {
ssize_t nbytes = read(0, buffer + length,
sizeof(buffer) - length);
if (nbytes <= 0)
break;
length += (size_t)nbytes;
}
size_t play_length = (length / frame_size) * frame_size;
if (play_length > 0) {
size_t consumed = ao_plugin_play(ao->plugin, ao->data,
buffer, play_length,
&error);
if (consumed == 0) {
ao_plugin_close(ao->plugin, ao->data);
g_printerr("Failed to play: %s\n",
error->message);
g_error_free(error);
return false;
}
assert(consumed <= length);
assert(consumed % frame_size == 0);
length -= consumed;
memmove(buffer, buffer + consumed, length);
}
}
ao_plugin_close(ao->plugin, ao->data);
return true;
}
int main(int argc, char **argv)
{
struct audio_output ao;
struct audio_format audio_format;
bool success;
GError *error = NULL;
if (argc < 3 || argc > 4) {
g_printerr("Usage: run_output CONFIG NAME [FORMAT] <IN\n");
return 1;
}
audio_format_init(&audio_format, 44100, SAMPLE_FORMAT_S16, 2);
g_thread_init(NULL);
/* read configuration file (mpd.conf) */
config_global_init();
success = config_read_file(argv[1], &error);
if (!success) {
g_printerr("%s:", error->message);
g_error_free(error);
return 1;
}
io_thread_init();
if (!io_thread_start(&error)) {
g_warning("%s", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
/* initialize the audio output */
if (!load_audio_output(&ao, argv[2]))
return 1;
/* parse the audio format */
if (argc > 3) {
success = audio_format_parse(&audio_format, argv[3],
false, &error);
if (!success) {
g_printerr("Failed to parse audio format: %s\n",
error->message);
g_error_free(error);
return 1;
}
}
/* do it */
success = run_output(&ao, &audio_format);
/* cleanup and exit */
ao_plugin_finish(ao.plugin, ao.data);
g_mutex_free(ao.mutex);
io_thread_deinit();
config_global_finish();
return success ? EXIT_SUCCESS : EXIT_FAILURE;
}
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