output/shout: convert to C++

1 files changed, 0 insertions, 561 deletions

diff --git a/src/output/shout_output_plugin.c b/src/output/shout_output_plugin.c
deleted file mode 100644
index 56d7a88b1..000000000
--- a/src/output/shout_output_plugin.c
+++ /dev/null
@@ -1,561 +0,0 @@
-/*
- * 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 "shout_output_plugin.h"
-#include "output_api.h"
-#include "encoder_plugin.h"
-#include "encoder_list.h"
-#include "mpd_error.h"
-
-#include <shout/shout.h>
-#include <glib.h>
-
-#include <assert.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#undef G_LOG_DOMAIN
-#define G_LOG_DOMAIN "shout"
-
-#define DEFAULT_CONN_TIMEOUT  2
-
-struct shout_data {
-	struct audio_output base;
-
-	shout_t *shout_conn;
-	shout_metadata_t *shout_meta;
-
-	struct encoder *encoder;
-
-	float quality;
-	int bitrate;
-
-	int timeout;
-
-	uint8_t buffer[32768];
-};
-
-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);
-}
-
-gcc_pure
-static const char *
-require_block_string(const struct config_param *param, const char *name)
-{
-	const char *value = config_get_block_string(param, name, NULL);
-	if (value == NULL)
-		MPD_ERROR("no \"%s\" defined for shout device defined at line " \
-			  "%i\n", name, param->line);			\
-
-	return value;
-}
-
-static bool
-my_shout_configure(struct shout_data *sd, const struct config_param *param,
-		   GError **error)
-{
-
-	const struct audio_format *audio_format =
-		&sd->base.config_audio_format;
-	if (!audio_format_fully_defined(audio_format)) {
-		g_set_error(error, shout_output_quark(), 0,
-			    "Need full audio format specification");
-		ao_base_finish(&sd->base);
-		free_shout_data(sd);
-		return NULL;
-	}
-
-	const char *host = require_block_string(param, "host");
-	const char *mount = require_block_string(param, "mount");
-
-	unsigned port = config_get_block_unsigned(param, "port", 0);
-	if (port == 0) {
-		g_set_error(error, shout_output_quark(), 0,
-			    "shout port must be configured");
-		return false;
-	}
-
-	const char *passwd = require_block_string(param, "password");
-	const char *name = require_block_string(param, "name");
-
-	bool public = config_get_block_bool(param, "public", false);
-
-	const char *user = config_get_block_string(param, "user", "source");
-
-	const char *value = config_get_block_string(param, "quality", NULL);
-	if (value != NULL) {
-		char *test;
-		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);
-			return false;
-		}
-
-		if (config_get_block_string(param, "bitrate", NULL) != NULL) {
-			g_set_error(error, shout_output_quark(), 0,
-				    "quality and bitrate are "
-				    "both defined");
-			return false;
-		}
-	} 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");
-			return false;
-		}
-
-		char *test;
-		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");
-			return false;
-		}
-	}
-
-	const char *encoding = config_get_block_string(param, "encoding",
-						       "ogg");
-	const struct encoder_plugin *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);
-		return false;
-	}
-
-	sd->encoder = encoder_init(encoder_plugin, param, error);
-	if (sd->encoder == NULL)
-		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 = 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);
-			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 {
-			g_set_error(error, shout_output_quark(), 0,
-				    "shout protocol \"%s\" is not \"shoutcast\" or "
-				    "\"icecast1\"or \"icecast2\"",
-				    value);
-			return false;
-		}
-	} 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));
-		return false;
-	}
-
-	/* 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));
-		return false;
-	}
-
-	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));
-		return false;
-	}
-
-	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));
-		return false;
-	}
-
-	{
-		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 true;
-}
-
-static struct audio_output *
-my_shout_init_driver(const struct config_param *param,
-		     GError **error)
-{
-	struct shout_data *sd = new_shout_data();
-	if (!ao_base_init(&sd->base, &shout_output_plugin, param, error)) {
-		free_shout_data(sd);
-		return NULL;
-	}
-
-	if (!my_shout_configure(sd, param, error)) {
-		ao_base_finish(&sd->base);
-		free_shout_data(sd);
-		return NULL;
-	}
-
-	if (shout_init_count == 0)
-		shout_init();
-
-	shout_init_count++;
-
-	return &sd->base;
-}
-
-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)
-{
-	assert(sd->encoder != NULL);
-
-	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(struct shout_data * sd)
-{
-	if (sd->encoder != NULL) {
-		if (encoder_end(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(struct audio_output *ao)
-{
-	struct shout_data *sd = (struct shout_data *)ao;
-
-	encoder_finish(sd->encoder);
-
-	ao_base_finish(&sd->base);
-	free_shout_data(sd);
-
-	shout_init_count--;
-
-	if (shout_init_count == 0)
-		shout_shutdown();
-}
-
-static void
-my_shout_drop_buffered_audio(struct audio_output *ao)
-{
-	G_GNUC_UNUSED
-	struct shout_data *sd = (struct shout_data *)ao;
-
-	/* needs to be implemented for shout */
-}
-
-static void
-my_shout_close_device(struct audio_output *ao)
-{
-	struct shout_data *sd = (struct shout_data *)ao;
-
-	close_shout_conn(sd);
-}
-
-static bool
-shout_connect(struct shout_data *sd, GError **error)
-{
-	switch (shout_open(sd->shout_conn)) {
-	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(struct audio_output *ao, struct audio_format *audio_format,
-		     GError **error)
-{
-	struct shout_data *sd = (struct shout_data *)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)
-{
-	struct shout_data *sd = (struct shout_data *)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,
-	      GError **error)
-{
-	struct shout_data *sd = (struct shout_data *)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 const char silence[1020];
-
-	return my_shout_play(ao, 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(struct audio_output *ao,
-			     const struct tag *tag)
-{
-	struct shout_data *sd = (struct shout_data *)ao;
-	GError *error = NULL;
-
-	if (sd->encoder->plugin->tag != NULL) {
-		/* encoder plugin supports stream tags */
-
-		if (!encoder_pre_tag(sd->encoder, &error)) {
-			g_warning("%s", error->message);
-			g_error_free(error);
-			return;
-		}
-
-		if (!write_page(sd, NULL))
-			return;
-
-		if (!encoder_tag(sd->encoder, tag, &error)) {
-			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 shout_output_plugin = {
-	.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,
-};