diff options
Diffstat (limited to '')
-rw-r--r-- | src/output/ShoutOutputPlugin.cxx | 544 |
1 files changed, 0 insertions, 544 deletions
diff --git a/src/output/ShoutOutputPlugin.cxx b/src/output/ShoutOutputPlugin.cxx deleted file mode 100644 index 19f2b61cd..000000000 --- a/src/output/ShoutOutputPlugin.cxx +++ /dev/null @@ -1,544 +0,0 @@ -/* - * Copyright (C) 2003-2013 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 "ShoutOutputPlugin.hxx" -#include "OutputAPI.hxx" -#include "EncoderPlugin.hxx" -#include "EncoderList.hxx" -#include "ConfigError.hxx" -#include "util/Error.hxx" -#include "util/Domain.hxx" -#include "system/FatalError.hxx" -#include "Log.hxx" - -#include <shout/shout.h> -#include <glib.h> - -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include <stdio.h> - -static constexpr unsigned DEFAULT_CONN_TIMEOUT = 2; - -struct ShoutOutput final { - struct audio_output base; - - shout_t *shout_conn; - shout_metadata_t *shout_meta; - - Encoder *encoder; - - float quality; - int bitrate; - - int timeout; - - uint8_t buffer[32768]; - - ShoutOutput() - :shout_conn(shout_new()), - shout_meta(shout_metadata_new()), - quality(-2.0), - bitrate(-1), - timeout(DEFAULT_CONN_TIMEOUT) {} - - ~ShoutOutput() { - if (shout_meta != nullptr) - shout_metadata_free(shout_meta); - if (shout_conn != nullptr) - shout_free(shout_conn); - } - - bool Initialize(const config_param ¶m, Error &error) { - return ao_base_init(&base, &shout_output_plugin, param, - error); - } - - void Deinitialize() { - ao_base_finish(&base); - } - - bool Configure(const config_param ¶m, Error &error); -}; - -static int shout_init_count; - -static constexpr Domain shout_output_domain("shout_output"); - -static const EncoderPlugin * -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); -} - -gcc_pure -static const char * -require_block_string(const config_param ¶m, const char *name) -{ - const char *value = param.GetBlockValue(name); - if (value == nullptr) - FormatFatalError("no \"%s\" defined for shout device defined " - "at line %u\n", name, param.line); - - return value; -} - -inline bool -ShoutOutput::Configure(const config_param ¶m, Error &error) -{ - - const AudioFormat audio_format = base.config_audio_format; - if (!audio_format.IsFullyDefined()) { - error.Set(config_domain, - "Need full audio format specification"); - return nullptr; - } - - const char *host = require_block_string(param, "host"); - const char *mount = require_block_string(param, "mount"); - unsigned port = param.GetBlockValue("port", 0u); - if (port == 0) { - error.Set(config_domain, "shout port must be configured"); - return false; - } - - const char *passwd = require_block_string(param, "password"); - const char *name = require_block_string(param, "name"); - - bool is_public = param.GetBlockValue("public", false); - - const char *user = param.GetBlockValue("user", "source"); - - const char *value = param.GetBlockValue("quality"); - if (value != nullptr) { - char *test; - quality = strtod(value, &test); - - if (*test != '\0' || quality < -1.0 || quality > 10.0) { - error.Format(config_domain, - "shout quality \"%s\" is not a number in the " - "range -1 to 10", - value); - return false; - } - - if (param.GetBlockValue("bitrate") != nullptr) { - error.Set(config_domain, - "quality and bitrate are " - "both defined"); - return false; - } - } else { - value = param.GetBlockValue("bitrate"); - if (value == nullptr) { - error.Set(config_domain, - "neither bitrate nor quality defined"); - return false; - } - - char *test; - bitrate = strtol(value, &test, 10); - - if (*test != '\0' || bitrate <= 0) { - error.Set(config_domain, - "bitrate must be a positive integer"); - return false; - } - } - - const char *encoding = param.GetBlockValue("encoding", "ogg"); - const auto encoder_plugin = shout_encoder_plugin_get(encoding); - if (encoder_plugin == nullptr) { - error.Format(config_domain, - "couldn't find shout encoder plugin \"%s\"", - encoding); - return false; - } - - encoder = encoder_init(*encoder_plugin, param, error); - if (encoder == nullptr) - return false; - - unsigned shout_format; - if (strcmp(encoding, "mp3") == 0 || strcmp(encoding, "lame") == 0) - shout_format = SHOUT_FORMAT_MP3; - else - shout_format = SHOUT_FORMAT_OGG; - - unsigned protocol; - value = param.GetBlockValue("protocol"); - if (value != nullptr) { - if (0 == strcmp(value, "shoutcast") && - 0 != strcmp(encoding, "mp3")) { - error.Format(config_domain, - "you cannot stream \"%s\" to shoutcast, use mp3", - encoding); - return false; - } 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 { - error.Format(config_domain, - "shout protocol \"%s\" is not \"shoutcast\" or " - "\"icecast1\"or \"icecast2\"", - value); - return false; - } - } else { - protocol = SHOUT_PROTOCOL_HTTP; - } - - if (shout_set_host(shout_conn, host) != SHOUTERR_SUCCESS || - shout_set_port(shout_conn, port) != SHOUTERR_SUCCESS || - shout_set_password(shout_conn, passwd) != SHOUTERR_SUCCESS || - shout_set_mount(shout_conn, mount) != SHOUTERR_SUCCESS || - shout_set_name(shout_conn, name) != SHOUTERR_SUCCESS || - shout_set_user(shout_conn, user) != SHOUTERR_SUCCESS || - shout_set_public(shout_conn, is_public) != SHOUTERR_SUCCESS || - shout_set_format(shout_conn, shout_format) - != SHOUTERR_SUCCESS || - shout_set_protocol(shout_conn, protocol) != SHOUTERR_SUCCESS || - shout_set_agent(shout_conn, "MPD") != SHOUTERR_SUCCESS) { - error.Set(shout_output_domain, shout_get_error(shout_conn)); - return false; - } - - /* optional paramters */ - timeout = param.GetBlockValue("timeout", DEFAULT_CONN_TIMEOUT); - - value = param.GetBlockValue("genre"); - if (value != nullptr && shout_set_genre(shout_conn, value)) { - error.Set(shout_output_domain, shout_get_error(shout_conn)); - return false; - } - - value = param.GetBlockValue("description"); - if (value != nullptr && shout_set_description(shout_conn, value)) { - error.Set(shout_output_domain, shout_get_error(shout_conn)); - return false; - } - - value = param.GetBlockValue("url"); - if (value != nullptr && shout_set_url(shout_conn, value)) { - error.Set(shout_output_domain, shout_get_error(shout_conn)); - return false; - } - - { - char temp[11]; - memset(temp, 0, sizeof(temp)); - - snprintf(temp, sizeof(temp), "%u", audio_format.channels); - shout_set_audio_info(shout_conn, SHOUT_AI_CHANNELS, temp); - - snprintf(temp, sizeof(temp), "%u", audio_format.sample_rate); - - shout_set_audio_info(shout_conn, SHOUT_AI_SAMPLERATE, temp); - - if (quality >= -1.0) { - snprintf(temp, sizeof(temp), "%2.2f", quality); - shout_set_audio_info(shout_conn, SHOUT_AI_QUALITY, - temp); - } else { - snprintf(temp, sizeof(temp), "%d", bitrate); - shout_set_audio_info(shout_conn, SHOUT_AI_BITRATE, - temp); - } - } - - return true; -} - -static struct audio_output * -my_shout_init_driver(const config_param ¶m, Error &error) -{ - ShoutOutput *sd = new ShoutOutput(); - if (!sd->Initialize(param, error)) { - delete sd; - return nullptr; - } - - if (!sd->Configure(param, error)) { - sd->Deinitialize(); - delete sd; - return nullptr; - } - - if (shout_init_count == 0) - shout_init(); - - shout_init_count++; - - return &sd->base; -} - -static bool -handle_shout_error(ShoutOutput *sd, int err, Error &error) -{ - switch (err) { - case SHOUTERR_SUCCESS: - break; - - case SHOUTERR_UNCONNECTED: - case SHOUTERR_SOCKET: - error.Format(shout_output_domain, 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: - error.Format(shout_output_domain, 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(ShoutOutput *sd, Error &error) -{ - assert(sd->encoder != nullptr); - - while (true) { - size_t nbytes = encoder_read(sd->encoder, - sd->buffer, sizeof(sd->buffer)); - if (nbytes == 0) - return true; - - int err = shout_send(sd->shout_conn, sd->buffer, nbytes); - if (!handle_shout_error(sd, err, error)) - return false; - } - - return true; -} - -static void close_shout_conn(ShoutOutput * sd) -{ - if (sd->encoder != nullptr) { - if (encoder_end(sd->encoder, IgnoreError())) - write_page(sd, IgnoreError()); - - encoder_close(sd->encoder); - } - - if (shout_get_connected(sd->shout_conn) != SHOUTERR_UNCONNECTED && - shout_close(sd->shout_conn) != SHOUTERR_SUCCESS) { - FormatWarning(shout_output_domain, - "problem closing connection to shout server: %s", - shout_get_error(sd->shout_conn)); - } -} - -static void -my_shout_finish_driver(struct audio_output *ao) -{ - ShoutOutput *sd = (ShoutOutput *)ao; - - encoder_finish(sd->encoder); - - sd->Deinitialize(); - delete sd; - - shout_init_count--; - - if (shout_init_count == 0) - shout_shutdown(); -} - -static void -my_shout_drop_buffered_audio(struct audio_output *ao) -{ - gcc_unused - ShoutOutput *sd = (ShoutOutput *)ao; - - /* needs to be implemented for shout */ -} - -static void -my_shout_close_device(struct audio_output *ao) -{ - ShoutOutput *sd = (ShoutOutput *)ao; - - close_shout_conn(sd); -} - -static bool -shout_connect(ShoutOutput *sd, Error &error) -{ - switch (shout_open(sd->shout_conn)) { - case SHOUTERR_SUCCESS: - case SHOUTERR_CONNECTED: - return true; - - default: - error.Format(shout_output_domain, - "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(struct audio_output *ao, AudioFormat &audio_format, - Error &error) -{ - ShoutOutput *sd = (ShoutOutput *)ao; - - if (!shout_connect(sd, error)) - return false; - - if (!encoder_open(sd->encoder, audio_format, error)) { - shout_close(sd->shout_conn); - return false; - } - - if (!write_page(sd, error)) { - encoder_close(sd->encoder); - shout_close(sd->shout_conn); - return false; - } - - return true; -} - -static unsigned -my_shout_delay(struct audio_output *ao) -{ - ShoutOutput *sd = (ShoutOutput *)ao; - - int delay = shout_delay(sd->shout_conn); - if (delay < 0) - delay = 0; - - return delay; -} - -static size_t -my_shout_play(struct audio_output *ao, const void *chunk, size_t size, - Error &error) -{ - ShoutOutput *sd = (ShoutOutput *)ao; - - return encoder_write(sd->encoder, chunk, size, error) && - write_page(sd, error) - ? size - : 0; -} - -static bool -my_shout_pause(struct audio_output *ao) -{ - static char silence[1020]; - - return my_shout_play(ao, silence, sizeof(silence), IgnoreError()); -} - -static void -shout_tag_to_metadata(const 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(struct audio_output *ao, - const Tag *tag) -{ - ShoutOutput *sd = (ShoutOutput *)ao; - - if (sd->encoder->plugin.tag != nullptr) { - /* encoder plugin supports stream tags */ - - Error error; - if (!encoder_pre_tag(sd->encoder, error) || - !write_page(sd, error) || - !encoder_tag(sd->encoder, tag, error)) { - LogError(error); - return; - } - } 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)) { - LogWarning(shout_output_domain, - "error setting shout metadata"); - } - } - - write_page(sd, IgnoreError()); -} - -const struct audio_output_plugin shout_output_plugin = { - "shout", - nullptr, - my_shout_init_driver, - my_shout_finish_driver, - nullptr, - nullptr, - my_shout_open_device, - my_shout_close_device, - my_shout_delay, - my_shout_set_tag, - my_shout_play, - nullptr, - my_shout_drop_buffered_audio, - my_shout_pause, - nullptr, -}; |