Fix memory leak in btr_splice_out_node().

[paraslash.git] / filter.h

diff --git a/filter.h b/filter.h
index 692020c40ca80fcd7dd008d59095d7df469d9399..de8ce8e8b5d0ca128cbc2cb4f3bb568ec416c07e 100644 (file)
--- a/filter.h
+++ b/filter.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2010 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2014 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -24,8 +24,11 @@ struct filter_node {
        struct list_head callbacks;
        /** A pointer to the configuration of this instance. */
        void *conf;
+       /** The buffer tree node. */
        struct btr_node *btrn;
+       /** The task corresponding to this filter node. */
        struct task task;
+       /** The minimal input queue size, see \ref btr_node_status(). */
        size_t min_iqs;
 };
 
@@ -103,10 +106,9 @@ struct filter {
         * Convert (filter) the given data.
         *
         * Pointer to the converting function of the filter. On errors, the
-        * post_select function is supposed to set t->error to a (negative)
-        * error code.
+        * post_select function is supposed to return a negative error code.
         */
-       void (*post_select)(struct sched *s, struct task *t);
+       int (*post_select)(struct sched *s, struct task *t);
        /**
         * Answer a buffer tree query.
         *
@@ -118,7 +120,7 @@ struct filter {
 
 void filter_init(void);
 int check_filter_arg(char *filter_arg, void **conf);
-void print_filter_helps(int detailed);
+void print_filter_helps(unsigned flags);
 void generic_filter_pre_select(struct sched *s, struct task *t);
 int decoder_execute(const char *cmd, unsigned sample_rate, unsigned channels,
                char **result);
@@ -136,6 +138,7 @@ static inline void write_int16_host_endian(char *buf, int val)
 
 DECLARE_FILTER_INITS
 
+/** Iterate over the array of supported filters. */
 #define FOR_EACH_SUPPORTED_FILTER(j)  for (j = 0; j < NUM_SUPPORTED_FILTERS; j++)
 
 /** The filter array, one structure for each supported filter. */