1 files changed, 0 insertions, 213 deletions
diff --git a/src/filter/chain_filter_plugin.c b/src/filter/chain_filter_plugin.c
deleted file mode 100644
index 2c785a36..00000000
--- a/src/filter/chain_filter_plugin.c
+++ /dev/null
@@ -1,213 +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 "conf.h"
-#include "filter/chain_filter_plugin.h"
-#include "filter_plugin.h"
-#include "filter_internal.h"
-#include "filter_registry.h"
-#include "audio_format.h"
-
-#include <assert.h>
-
-struct filter_chain {
-	/** the base class */
-	struct filter base;
-
-	GSList *children;
-};
-
-static inline GQuark
-filter_quark(void)
-{
-	return g_quark_from_static_string("filter");
-}
-
-static struct filter *
-chain_filter_init(G_GNUC_UNUSED const struct config_param *param,
-		  G_GNUC_UNUSED GError **error_r)
-{
-	struct filter_chain *chain = g_new(struct filter_chain, 1);
-
-	filter_init(&chain->base, &chain_filter_plugin);
-	chain->children = NULL;
-
-	return &chain->base;
-}
-
-static void
-chain_free_child(gpointer data, G_GNUC_UNUSED gpointer user_data)
-{
-	struct filter *filter = data;
-
-	filter_free(filter);
-}
-
-static void
-chain_filter_finish(struct filter *_filter)
-{
-	struct filter_chain *chain = (struct filter_chain *)_filter;
-
-	g_slist_foreach(chain->children, chain_free_child, NULL);
-	g_slist_free(chain->children);
-
-	g_free(chain);
-}
-
-/**
- * Close all filters in the chain until #until is reached.  #until
- * itself is not closed.
- */
-static void
-chain_close_until(struct filter_chain *chain, const struct filter *until)
-{
-	GSList *i = chain->children;
-	struct filter *filter;
-
-	while (true) {
-		/* this assertion fails if #until does not exist
-		   (anymore) */
-		assert(i != NULL);
-
-		if (i->data == until)
-			/* don't close this filter */
-			break;
-
-		/* close this filter */
-		filter = i->data;
-		filter_close(filter);
-
-		i = g_slist_next(i);
-	}
-}
-
-static const struct audio_format *
-chain_open_child(struct filter *filter,
-		 const struct audio_format *prev_audio_format,
-		 GError **error_r)
-{
-	struct audio_format conv_audio_format = *prev_audio_format;
-	const struct audio_format *next_audio_format;
-
-	next_audio_format = filter_open(filter, &conv_audio_format, error_r);
-	if (next_audio_format == NULL)
-		return NULL;
-
-	if (!audio_format_equals(&conv_audio_format, prev_audio_format)) {
-		struct audio_format_string s;
-
-		filter_close(filter);
-		g_set_error(error_r, filter_quark(), 0,
-			    "Audio format not supported by filter '%s': %s",
-			    filter->plugin->name,
-			    audio_format_to_string(prev_audio_format, &s));
-		return NULL;
-	}
-
-	return next_audio_format;
-}
-
-static const struct audio_format *
-chain_filter_open(struct filter *_filter, struct audio_format *in_audio_format,
-		  GError **error_r)
-{
-	struct filter_chain *chain = (struct filter_chain *)_filter;
-	const struct audio_format *audio_format = in_audio_format;
-
-	for (GSList *i = chain->children; i != NULL; i = g_slist_next(i)) {
-		struct filter *filter = i->data;
-
-		audio_format = chain_open_child(filter, audio_format, error_r);
-		if (audio_format == NULL) {
-			/* rollback, close all children */
-			chain_close_until(chain, filter);
-			return NULL;
-		}
-	}
-
-	/* return the output format of the last filter */
-	return audio_format;
-}
-
-static void
-chain_close_child(gpointer data, G_GNUC_UNUSED gpointer user_data)
-{
-	struct filter *filter = data;
-
-	filter_close(filter);
-}
-
-static void
-chain_filter_close(struct filter *_filter)
-{
-	struct filter_chain *chain = (struct filter_chain *)_filter;
-
-	g_slist_foreach(chain->children, chain_close_child, NULL);
-}
-
-static const void *
-chain_filter_filter(struct filter *_filter,
-		    const void *src, size_t src_size,
-		    size_t *dest_size_r, GError **error_r)
-{
-	struct filter_chain *chain = (struct filter_chain *)_filter;
-
-	for (GSList *i = chain->children; i != NULL; i = g_slist_next(i)) {
-		struct filter *filter = i->data;
-
-		/* feed the output of the previous filter as input
-		   into the current one */
-		src = filter_filter(filter, src, src_size, &src_size, error_r);
-		if (src == NULL)
-			return NULL;
-	}
-
-	/* return the output of the last filter */
-	*dest_size_r = src_size;
-	return src;
-}
-
-const struct filter_plugin chain_filter_plugin = {
-	.name = "chain",
-	.init = chain_filter_init,
-	.finish = chain_filter_finish,
-	.open = chain_filter_open,
-	.close = chain_filter_close,
-	.filter = chain_filter_filter,
-};
-
-struct filter *
-filter_chain_new(void)
-{
-	struct filter *filter = filter_new(&chain_filter_plugin, NULL, NULL);
-	/* chain_filter_init() never fails */
-	assert(filter != NULL);
-
-	return filter;
-}
-
-void
-filter_chain_append(struct filter *_chain, struct filter *filter)
-{
-	struct filter_chain *chain = (struct filter_chain *)_chain;
-
-	chain->children = g_slist_append(chain->children, filter);
-}
-