1c56edd1c8
This array is empty, and is not used anymore.
492 lines
12 KiB
C
492 lines
12 KiB
C
/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "shout_plugin.h"
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#include "encoder_plugin.h"
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#include "encoder_list.h"
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#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#define DEFAULT_CONN_TIMEOUT 2
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static int shout_init_count;
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static const struct encoder_plugin *
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shout_encoder_plugin_get(const char *name)
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{
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if (strcmp(name, "ogg") == 0)
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name = "vorbis";
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else if (strcmp(name, "mp3") == 0)
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name = "lame";
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return encoder_plugin_get(name);
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}
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static struct shout_data *new_shout_data(void)
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{
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struct shout_data *ret = g_new(struct shout_data, 1);
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ret->shout_conn = shout_new();
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ret->shout_meta = shout_metadata_new();
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ret->bitrate = -1;
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ret->quality = -2.0;
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ret->timeout = DEFAULT_CONN_TIMEOUT;
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return ret;
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}
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static void free_shout_data(struct shout_data *sd)
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{
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if (sd->shout_meta)
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shout_metadata_free(sd->shout_meta);
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if (sd->shout_conn)
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shout_free(sd->shout_conn);
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g_free(sd);
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}
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#define check_block_param(name) { \
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block_param = getBlockParam(param, name); \
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if (!block_param) { \
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g_error("no \"%s\" defined for shout device defined at line " \
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"%i\n", name, param->line); \
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} \
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}
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static void *my_shout_init_driver(struct audio_output *audio_output,
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const struct audio_format *audio_format,
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const struct config_param *param)
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{
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struct shout_data *sd;
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char *test;
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int port;
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char *host;
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char *mount;
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char *passwd;
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const char *encoding;
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const struct encoder_plugin *encoder_plugin;
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GError *error = NULL;
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unsigned shout_format;
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unsigned protocol;
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const char *user;
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char *name;
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const char *value;
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struct block_param *block_param;
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int public;
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sd = new_shout_data();
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sd->audio_output = audio_output;
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if (shout_init_count == 0)
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shout_init();
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shout_init_count++;
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check_block_param("host");
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host = block_param->value;
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check_block_param("mount");
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mount = block_param->value;
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check_block_param("port");
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port = strtol(block_param->value, &test, 10);
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if (*test != '\0' || port <= 0) {
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g_error("shout port \"%s\" is not a positive integer, line %i\n",
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block_param->value, block_param->line);
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}
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check_block_param("password");
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passwd = block_param->value;
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check_block_param("name");
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name = block_param->value;
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public = config_get_block_bool(param, "public", false);
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user = config_get_block_string(param, "user", "source");
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value = config_get_block_string(param, "quality", NULL);
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if (value != NULL) {
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sd->quality = strtod(value, &test);
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if (*test != '\0' || sd->quality < -1.0 || sd->quality > 10.0) {
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g_error("shout quality \"%s\" is not a number in the "
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"range -1 to 10, line %i",
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value, param->line);
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}
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if (config_get_block_string(param, "bitrate", NULL) != NULL) {
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g_error("quality and bitrate are "
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"both defined for shout output (line %i)",
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param->line);
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}
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} else {
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value = config_get_block_string(param, "bitrate", NULL);
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if (value == NULL)
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g_error("neither bitrate nor quality defined for shout "
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"output at line %i", param->line);
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sd->bitrate = strtol(value, &test, 10);
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if (*test != '\0' || sd->bitrate <= 0) {
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g_error("bitrate at line %i should be a positive integer "
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"\n", param->line);
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}
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}
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check_block_param("format");
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encoding = config_get_block_string(param, "encoding", "ogg");
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encoder_plugin = shout_encoder_plugin_get(encoding);
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if (encoder_plugin == NULL)
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g_error("couldn't find shout encoder plugin \"%s\"\n",
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encoding);
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sd->encoder = encoder_init(encoder_plugin, param, &error);
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if (sd->encoder == NULL)
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g_error("%s", error->message);
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if (strcmp(encoding, "mp3") == 0 || strcmp(encoding, "lame") == 0)
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shout_format = SHOUT_FORMAT_MP3;
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else
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shout_format = SHOUT_FORMAT_OGG;
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value = config_get_block_string(param, "protocol", NULL);
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if (value != NULL) {
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if (0 == strcmp(value, "shoutcast") &&
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0 != strcmp(encoding, "mp3"))
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g_error("you cannot stream \"%s\" to shoutcast, use mp3\n",
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encoding);
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else if (0 == strcmp(value, "shoutcast"))
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protocol = SHOUT_PROTOCOL_ICY;
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else if (0 == strcmp(value, "icecast1"))
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protocol = SHOUT_PROTOCOL_XAUDIOCAST;
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else if (0 == strcmp(value, "icecast2"))
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protocol = SHOUT_PROTOCOL_HTTP;
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else
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g_error("shout protocol \"%s\" is not \"shoutcast\" or "
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"\"icecast1\"or "
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"\"icecast2\", line %i\n",
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value, param->line);
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} else {
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protocol = SHOUT_PROTOCOL_HTTP;
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}
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if (shout_set_host(sd->shout_conn, host) != SHOUTERR_SUCCESS ||
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shout_set_port(sd->shout_conn, port) != SHOUTERR_SUCCESS ||
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shout_set_password(sd->shout_conn, passwd) != SHOUTERR_SUCCESS ||
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shout_set_mount(sd->shout_conn, mount) != SHOUTERR_SUCCESS ||
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shout_set_name(sd->shout_conn, name) != SHOUTERR_SUCCESS ||
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shout_set_user(sd->shout_conn, user) != SHOUTERR_SUCCESS ||
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shout_set_public(sd->shout_conn, public) != SHOUTERR_SUCCESS ||
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shout_set_format(sd->shout_conn, shout_format)
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!= SHOUTERR_SUCCESS ||
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shout_set_protocol(sd->shout_conn, protocol) != SHOUTERR_SUCCESS ||
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shout_set_agent(sd->shout_conn, "MPD") != SHOUTERR_SUCCESS) {
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g_error("error configuring shout defined at line %i: %s\n",
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param->line, shout_get_error(sd->shout_conn));
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}
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/* optional paramters */
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sd->timeout = config_get_block_unsigned(param, "timeout",
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DEFAULT_CONN_TIMEOUT);
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value = config_get_block_string(param, "genre", NULL);
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if (value != NULL && shout_set_genre(sd->shout_conn, value)) {
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g_error("error configuring shout defined at line %i: %s\n",
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param->line, shout_get_error(sd->shout_conn));
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}
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value = config_get_block_string(param, "description", NULL);
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if (value != NULL && shout_set_description(sd->shout_conn, value)) {
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g_error("error configuring shout defined at line %i: %s\n",
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param->line, shout_get_error(sd->shout_conn));
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}
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{
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char temp[11];
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memset(temp, 0, sizeof(temp));
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snprintf(temp, sizeof(temp), "%u", audio_format->channels);
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shout_set_audio_info(sd->shout_conn, SHOUT_AI_CHANNELS, temp);
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snprintf(temp, sizeof(temp), "%u", audio_format->sample_rate);
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shout_set_audio_info(sd->shout_conn, SHOUT_AI_SAMPLERATE, temp);
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if (sd->quality >= -1.0) {
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snprintf(temp, sizeof(temp), "%2.2f", sd->quality);
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shout_set_audio_info(sd->shout_conn, SHOUT_AI_QUALITY,
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temp);
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} else {
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snprintf(temp, sizeof(temp), "%d", sd->bitrate);
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shout_set_audio_info(sd->shout_conn, SHOUT_AI_BITRATE,
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temp);
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}
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}
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return sd;
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}
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static bool
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handle_shout_error(struct shout_data *sd, int err)
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{
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switch (err) {
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case SHOUTERR_SUCCESS:
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break;
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case SHOUTERR_UNCONNECTED:
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case SHOUTERR_SOCKET:
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g_warning("Lost shout connection to %s:%i: %s\n",
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shout_get_host(sd->shout_conn),
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shout_get_port(sd->shout_conn),
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shout_get_error(sd->shout_conn));
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return false;
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default:
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g_warning("shout: connection to %s:%i error: %s\n",
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shout_get_host(sd->shout_conn),
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shout_get_port(sd->shout_conn),
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shout_get_error(sd->shout_conn));
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return false;
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}
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return true;
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}
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static bool
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write_page(struct shout_data *sd)
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{
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int err;
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assert(sd->encoder != NULL);
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sd->buf.len = encoder_read(sd->encoder,
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sd->buf.data, sizeof(sd->buf.data));
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if (sd->buf.len == 0)
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return true;
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shout_sync(sd->shout_conn);
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err = shout_send(sd->shout_conn, sd->buf.data, sd->buf.len);
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if (!handle_shout_error(sd, err))
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return false;
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return true;
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}
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static void close_shout_conn(struct shout_data * sd)
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{
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sd->buf.len = 0;
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if (sd->encoder != NULL) {
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if (encoder_flush(sd->encoder, NULL))
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write_page(sd);
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encoder_close(sd->encoder);
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}
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if (shout_get_connected(sd->shout_conn) != SHOUTERR_UNCONNECTED &&
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shout_close(sd->shout_conn) != SHOUTERR_SUCCESS) {
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g_warning("problem closing connection to shout server: %s\n",
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shout_get_error(sd->shout_conn));
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}
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}
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static void my_shout_finish_driver(void *data)
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{
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struct shout_data *sd = (struct shout_data *)data;
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encoder_finish(sd->encoder);
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free_shout_data(sd);
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shout_init_count--;
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if (shout_init_count == 0)
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shout_shutdown();
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}
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static void my_shout_drop_buffered_audio(void *data)
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{
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G_GNUC_UNUSED
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struct shout_data *sd = (struct shout_data *)data;
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/* needs to be implemented for shout */
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}
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static void my_shout_close_device(void *data)
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{
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struct shout_data *sd = (struct shout_data *)data;
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close_shout_conn(sd);
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}
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static bool
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shout_connect(struct shout_data *sd)
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{
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int state;
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state = shout_open(sd->shout_conn);
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switch (state) {
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case SHOUTERR_SUCCESS:
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case SHOUTERR_CONNECTED:
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return true;
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default:
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g_warning("problem opening connection to shout server %s:%i: %s\n",
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shout_get_host(sd->shout_conn),
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shout_get_port(sd->shout_conn),
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shout_get_error(sd->shout_conn));
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return false;
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}
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}
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static bool
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my_shout_open_device(void *data, struct audio_format *audio_format)
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{
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struct shout_data *sd = (struct shout_data *)data;
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bool ret;
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GError *error = NULL;
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ret = shout_connect(sd);
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if (!ret)
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return false;
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sd->buf.len = 0;
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ret = encoder_open(sd->encoder, audio_format, &error);
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if (!ret) {
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shout_close(sd->shout_conn);
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g_warning("%s", error->message);
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g_error_free(error);
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return false;
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}
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write_page(sd);
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return true;
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}
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static bool
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my_shout_play(void *data, const char *chunk, size_t size)
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{
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struct shout_data *sd = (struct shout_data *)data;
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bool ret;
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GError *error = NULL;
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ret = encoder_write(sd->encoder, chunk, size, &error);
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if (!ret) {
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g_warning("%s", error->message);
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g_error_free(error);
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return false;
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}
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return write_page(sd);
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}
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static bool
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my_shout_pause(void *data)
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{
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static const char silence[1020];
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return my_shout_play(data, silence, sizeof(silence));
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}
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static void
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shout_tag_to_metadata(const struct tag *tag, char *dest, size_t size)
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{
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char artist[size];
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char title[size];
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int i;
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artist[0] = 0;
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title[0] = 0;
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for (i = 0; i < tag->numOfItems; i++) {
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switch (tag->items[i]->type) {
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case TAG_ITEM_ARTIST:
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strncpy(artist, tag->items[i]->value, size);
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break;
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case TAG_ITEM_TITLE:
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strncpy(title, tag->items[i]->value, size);
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break;
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default:
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break;
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}
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}
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snprintf(dest, size, "%s - %s", title, artist);
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}
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static void my_shout_set_tag(void *data,
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const struct tag *tag)
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{
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struct shout_data *sd = (struct shout_data *)data;
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bool ret;
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GError *error = NULL;
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if (sd->encoder->plugin->tag != NULL) {
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/* encoder plugin supports stream tags */
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ret = encoder_flush(sd->encoder, &error);
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if (!ret) {
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g_warning("%s", error->message);
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g_error_free(error);
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return;
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}
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write_page(sd);
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ret = encoder_tag(sd->encoder, tag, &error);
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if (!ret) {
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g_warning("%s", error->message);
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g_error_free(error);
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}
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} else {
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/* no stream tag support: fall back to icy-metadata */
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char song[1024];
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shout_tag_to_metadata(tag, song, sizeof(song));
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shout_metadata_add(sd->shout_meta, "song", song);
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if (SHOUTERR_SUCCESS != shout_set_metadata(sd->shout_conn,
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sd->shout_meta)) {
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g_warning("error setting shout metadata\n");
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}
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}
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write_page(sd);
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}
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const struct audio_output_plugin shoutPlugin = {
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.name = "shout",
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.init = my_shout_init_driver,
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.finish = my_shout_finish_driver,
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.open = my_shout_open_device,
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.play = my_shout_play,
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.pause = my_shout_pause,
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.cancel = my_shout_drop_buffered_audio,
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.close = my_shout_close_device,
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.send_tag = my_shout_set_tag,
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};
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