From 5e22fe488ed7209c6e470e542826da4674e93338 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Sat, 17 Sep 2011 08:54:50 +0200 Subject: output: rename plugin source files --- src/output/shout_output_plugin.c | 564 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 564 insertions(+) create mode 100644 src/output/shout_output_plugin.c (limited to 'src/output/shout_output_plugin.c') diff --git a/src/output/shout_output_plugin.c b/src/output/shout_output_plugin.c new file mode 100644 index 000000000..80adf1638 --- /dev/null +++ b/src/output/shout_output_plugin.c @@ -0,0 +1,564 @@ +/* + * 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 "output_api.h" +#include "encoder_plugin.h" +#include "encoder_list.h" +#include "mpd_error.h" + +#include +#include + +#include +#include +#include + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "shout" + +#define DEFAULT_CONN_TIMEOUT 2 + +struct shout_buffer { + unsigned char data[32768]; + size_t len; +}; + +struct shout_data { + shout_t *shout_conn; + shout_metadata_t *shout_meta; + + struct encoder *encoder; + + float quality; + int bitrate; + + int timeout; + + struct shout_buffer buf; +}; + +static int shout_init_count; + +/** + * The quark used for GError.domain. + */ +static inline GQuark +shout_output_quark(void) +{ + return g_quark_from_static_string("shout_output"); +} + +static const struct encoder_plugin * +shout_encoder_plugin_get(const char *name) +{ + if (strcmp(name, "ogg") == 0) + name = "vorbis"; + else if (strcmp(name, "mp3") == 0) + name = "lame"; + + return encoder_plugin_get(name); +} + +static struct shout_data *new_shout_data(void) +{ + struct shout_data *ret = g_new(struct shout_data, 1); + + ret->shout_conn = shout_new(); + ret->shout_meta = shout_metadata_new(); + ret->bitrate = -1; + ret->quality = -2.0; + ret->timeout = DEFAULT_CONN_TIMEOUT; + + return ret; +} + +static void free_shout_data(struct shout_data *sd) +{ + if (sd->shout_meta) + shout_metadata_free(sd->shout_meta); + if (sd->shout_conn) + shout_free(sd->shout_conn); + + g_free(sd); +} + +#define check_block_param(name) { \ + block_param = config_get_block_param(param, name); \ + if (!block_param) { \ + MPD_ERROR("no \"%s\" defined for shout device defined at line " \ + "%i\n", name, param->line); \ + } \ + } + +static void * +my_shout_init_driver(const struct audio_format *audio_format, + const struct config_param *param, + GError **error) +{ + struct shout_data *sd; + char *test; + unsigned port; + char *host; + char *mount; + char *passwd; + const char *encoding; + const struct encoder_plugin *encoder_plugin; + unsigned shout_format; + unsigned protocol; + const char *user; + char *name; + const char *value; + const struct block_param *block_param; + int public; + + if (audio_format == NULL || + !audio_format_fully_defined(audio_format)) { + g_set_error(error, shout_output_quark(), 0, + "Need full audio format specification"); + return NULL; + } + + sd = new_shout_data(); + + if (shout_init_count == 0) + shout_init(); + + shout_init_count++; + + check_block_param("host"); + host = block_param->value; + + check_block_param("mount"); + mount = block_param->value; + + port = config_get_block_unsigned(param, "port", 0); + if (port == 0) { + g_set_error(error, shout_output_quark(), 0, + "shout port must be configured"); + goto failure; + } + + check_block_param("password"); + passwd = block_param->value; + + check_block_param("name"); + name = block_param->value; + + public = config_get_block_bool(param, "public", false); + + user = config_get_block_string(param, "user", "source"); + + value = config_get_block_string(param, "quality", NULL); + if (value != NULL) { + sd->quality = strtod(value, &test); + + if (*test != '\0' || sd->quality < -1.0 || sd->quality > 10.0) { + g_set_error(error, shout_output_quark(), 0, + "shout quality \"%s\" is not a number in the " + "range -1 to 10, line %i", + value, param->line); + goto failure; + } + + if (config_get_block_string(param, "bitrate", NULL) != NULL) { + g_set_error(error, shout_output_quark(), 0, + "quality and bitrate are " + "both defined"); + goto failure; + } + } else { + value = config_get_block_string(param, "bitrate", NULL); + if (value == NULL) { + g_set_error(error, shout_output_quark(), 0, + "neither bitrate nor quality defined"); + goto failure; + } + + sd->bitrate = strtol(value, &test, 10); + + if (*test != '\0' || sd->bitrate <= 0) { + g_set_error(error, shout_output_quark(), 0, + "bitrate must be a positive integer"); + goto failure; + } + } + + encoding = config_get_block_string(param, "encoding", "ogg"); + encoder_plugin = shout_encoder_plugin_get(encoding); + if (encoder_plugin == NULL) { + g_set_error(error, shout_output_quark(), 0, + "couldn't find shout encoder plugin \"%s\"", + encoding); + goto failure; + } + + sd->encoder = encoder_init(encoder_plugin, param, error); + if (sd->encoder == NULL) + goto failure; + + if (strcmp(encoding, "mp3") == 0 || strcmp(encoding, "lame") == 0) + shout_format = SHOUT_FORMAT_MP3; + else + shout_format = SHOUT_FORMAT_OGG; + + value = config_get_block_string(param, "protocol", NULL); + if (value != NULL) { + if (0 == strcmp(value, "shoutcast") && + 0 != strcmp(encoding, "mp3")) { + g_set_error(error, shout_output_quark(), 0, + "you cannot stream \"%s\" to shoutcast, use mp3", + encoding); + goto failure; + } else if (0 == strcmp(value, "shoutcast")) + protocol = SHOUT_PROTOCOL_ICY; + else if (0 == strcmp(value, "icecast1")) + protocol = SHOUT_PROTOCOL_XAUDIOCAST; + else if (0 == strcmp(value, "icecast2")) + protocol = SHOUT_PROTOCOL_HTTP; + else { + g_set_error(error, shout_output_quark(), 0, + "shout protocol \"%s\" is not \"shoutcast\" or " + "\"icecast1\"or \"icecast2\"", + value); + goto failure; + } + } else { + protocol = SHOUT_PROTOCOL_HTTP; + } + + if (shout_set_host(sd->shout_conn, host) != SHOUTERR_SUCCESS || + shout_set_port(sd->shout_conn, port) != SHOUTERR_SUCCESS || + shout_set_password(sd->shout_conn, passwd) != SHOUTERR_SUCCESS || + shout_set_mount(sd->shout_conn, mount) != SHOUTERR_SUCCESS || + shout_set_name(sd->shout_conn, name) != SHOUTERR_SUCCESS || + shout_set_user(sd->shout_conn, user) != SHOUTERR_SUCCESS || + shout_set_public(sd->shout_conn, public) != SHOUTERR_SUCCESS || + shout_set_format(sd->shout_conn, shout_format) + != SHOUTERR_SUCCESS || + shout_set_protocol(sd->shout_conn, protocol) != SHOUTERR_SUCCESS || + shout_set_agent(sd->shout_conn, "MPD") != SHOUTERR_SUCCESS) { + g_set_error(error, shout_output_quark(), 0, + "%s", shout_get_error(sd->shout_conn)); + goto failure; + } + + /* optional paramters */ + sd->timeout = config_get_block_unsigned(param, "timeout", + DEFAULT_CONN_TIMEOUT); + + value = config_get_block_string(param, "genre", NULL); + if (value != NULL && shout_set_genre(sd->shout_conn, value)) { + g_set_error(error, shout_output_quark(), 0, + "%s", shout_get_error(sd->shout_conn)); + goto failure; + } + + value = config_get_block_string(param, "description", NULL); + if (value != NULL && shout_set_description(sd->shout_conn, value)) { + g_set_error(error, shout_output_quark(), 0, + "%s", shout_get_error(sd->shout_conn)); + goto failure; + } + + value = config_get_block_string(param, "url", NULL); + if (value != NULL && shout_set_url(sd->shout_conn, value)) { + g_set_error(error, shout_output_quark(), 0, + "%s", shout_get_error(sd->shout_conn)); + goto failure; + } + + { + char temp[11]; + memset(temp, 0, sizeof(temp)); + + snprintf(temp, sizeof(temp), "%u", audio_format->channels); + shout_set_audio_info(sd->shout_conn, SHOUT_AI_CHANNELS, temp); + + snprintf(temp, sizeof(temp), "%u", audio_format->sample_rate); + + shout_set_audio_info(sd->shout_conn, SHOUT_AI_SAMPLERATE, temp); + + if (sd->quality >= -1.0) { + snprintf(temp, sizeof(temp), "%2.2f", sd->quality); + shout_set_audio_info(sd->shout_conn, SHOUT_AI_QUALITY, + temp); + } else { + snprintf(temp, sizeof(temp), "%d", sd->bitrate); + shout_set_audio_info(sd->shout_conn, SHOUT_AI_BITRATE, + temp); + } + } + + return sd; + +failure: + free_shout_data(sd); + return NULL; +} + +static bool +handle_shout_error(struct shout_data *sd, int err, GError **error) +{ + switch (err) { + case SHOUTERR_SUCCESS: + break; + + case SHOUTERR_UNCONNECTED: + case SHOUTERR_SOCKET: + g_set_error(error, shout_output_quark(), err, + "Lost shout connection to %s:%i: %s", + shout_get_host(sd->shout_conn), + shout_get_port(sd->shout_conn), + shout_get_error(sd->shout_conn)); + return false; + + default: + g_set_error(error, shout_output_quark(), err, + "connection to %s:%i error: %s", + shout_get_host(sd->shout_conn), + shout_get_port(sd->shout_conn), + shout_get_error(sd->shout_conn)); + return false; + } + + return true; +} + +static bool +write_page(struct shout_data *sd, GError **error) +{ + int err; + + assert(sd->encoder != NULL); + + sd->buf.len = encoder_read(sd->encoder, + sd->buf.data, sizeof(sd->buf.data)); + if (sd->buf.len == 0) + return true; + + err = shout_send(sd->shout_conn, sd->buf.data, sd->buf.len); + if (!handle_shout_error(sd, err, error)) + return false; + + return true; +} + +static void close_shout_conn(struct shout_data * sd) +{ + sd->buf.len = 0; + + if (sd->encoder != NULL) { + if (encoder_flush(sd->encoder, NULL)) + write_page(sd, NULL); + + encoder_close(sd->encoder); + } + + if (shout_get_connected(sd->shout_conn) != SHOUTERR_UNCONNECTED && + shout_close(sd->shout_conn) != SHOUTERR_SUCCESS) { + g_warning("problem closing connection to shout server: %s\n", + shout_get_error(sd->shout_conn)); + } +} + +static void my_shout_finish_driver(void *data) +{ + struct shout_data *sd = (struct shout_data *)data; + + encoder_finish(sd->encoder); + + free_shout_data(sd); + + shout_init_count--; + + if (shout_init_count == 0) + shout_shutdown(); +} + +static void my_shout_drop_buffered_audio(void *data) +{ + G_GNUC_UNUSED + struct shout_data *sd = (struct shout_data *)data; + + /* needs to be implemented for shout */ +} + +static void my_shout_close_device(void *data) +{ + struct shout_data *sd = (struct shout_data *)data; + + close_shout_conn(sd); +} + +static bool +shout_connect(struct shout_data *sd, GError **error) +{ + int state; + + state = shout_open(sd->shout_conn); + switch (state) { + case SHOUTERR_SUCCESS: + case SHOUTERR_CONNECTED: + return true; + + default: + g_set_error(error, shout_output_quark(), 0, + "problem opening connection to shout server %s:%i: %s", + shout_get_host(sd->shout_conn), + shout_get_port(sd->shout_conn), + shout_get_error(sd->shout_conn)); + return false; + } +} + +static bool +my_shout_open_device(void *data, struct audio_format *audio_format, + GError **error) +{ + struct shout_data *sd = (struct shout_data *)data; + bool ret; + + ret = shout_connect(sd, error); + if (!ret) + return false; + + sd->buf.len = 0; + + ret = encoder_open(sd->encoder, audio_format, error) && + write_page(sd, error); + if (!ret) { + shout_close(sd->shout_conn); + return false; + } + + return true; +} + +static unsigned +my_shout_delay(void *data) +{ + struct shout_data *sd = (struct shout_data *)data; + + int delay = shout_delay(sd->shout_conn); + if (delay < 0) + delay = 0; + + return delay; +} + +static size_t +my_shout_play(void *data, const void *chunk, size_t size, GError **error) +{ + struct shout_data *sd = (struct shout_data *)data; + + return encoder_write(sd->encoder, chunk, size, error) && + write_page(sd, error) + ? size + : 0; +} + +static bool +my_shout_pause(void *data) +{ + static const char silence[1020]; + + return my_shout_play(data, silence, sizeof(silence), NULL); +} + +static void +shout_tag_to_metadata(const struct tag *tag, char *dest, size_t size) +{ + char artist[size]; + char title[size]; + + artist[0] = 0; + title[0] = 0; + + for (unsigned i = 0; i < tag->num_items; i++) { + switch (tag->items[i]->type) { + case TAG_ARTIST: + strncpy(artist, tag->items[i]->value, size); + break; + case TAG_TITLE: + strncpy(title, tag->items[i]->value, size); + break; + + default: + break; + } + } + + snprintf(dest, size, "%s - %s", artist, title); +} + +static void my_shout_set_tag(void *data, + const struct tag *tag) +{ + struct shout_data *sd = (struct shout_data *)data; + bool ret; + GError *error = NULL; + + if (sd->encoder->plugin->tag != NULL) { + /* encoder plugin supports stream tags */ + + ret = encoder_pre_tag(sd->encoder, &error); + if (!ret) { + g_warning("%s", error->message); + g_error_free(error); + return; + } + + ret = write_page(sd, NULL); + if (!ret) + return; + + ret = encoder_tag(sd->encoder, tag, &error); + if (!ret) { + g_warning("%s", error->message); + g_error_free(error); + } + } else { + /* no stream tag support: fall back to icy-metadata */ + char song[1024]; + + shout_tag_to_metadata(tag, song, sizeof(song)); + + shout_metadata_add(sd->shout_meta, "song", song); + if (SHOUTERR_SUCCESS != shout_set_metadata(sd->shout_conn, + sd->shout_meta)) { + g_warning("error setting shout metadata\n"); + } + } + + write_page(sd, NULL); +} + +const struct audio_output_plugin shoutPlugin = { + .name = "shout", + .init = my_shout_init_driver, + .finish = my_shout_finish_driver, + .open = my_shout_open_device, + .delay = my_shout_delay, + .play = my_shout_play, + .pause = my_shout_pause, + .cancel = my_shout_drop_buffered_audio, + .close = my_shout_close_device, + .send_tag = my_shout_set_tag, +}; -- cgit v1.2.3