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-rw-r--r--libaf/af.c8
-rw-r--r--libaf/af.h3
2 files changed, 11 insertions, 0 deletions
diff --git a/libaf/af.c b/libaf/af.c
index 10ee1660bb..5728095ab3 100644
--- a/libaf/af.c
+++ b/libaf/af.c
@@ -610,3 +610,11 @@ int af_control_any_rev (af_stream_t* s, int cmd, void* arg) {
return (res == AF_OK);
}
+void af_help (void) {
+ int i = 0;
+ while (filter_list[i]) {
+ af_msg(AF_MSG_INFO, " %-15s: %s\n", filter_list[i]->name, filter_list[i]->info);
+ i++;
+ }
+}
+
diff --git a/libaf/af.h b/libaf/af.h
index 003412d504..05e277d58c 100644
--- a/libaf/af.h
+++ b/libaf/af.h
@@ -205,6 +205,9 @@ int af_to_ms(int n, int* in, float* out, int rate);
/* Helper function for testing the output format */
int af_test_output(struct af_instance_s* af, af_data_t* out);
+/** Print a list of all available audio filters */
+void af_help(void);
+
/* Memory reallocation macro: if a local buffer is used (i.e. if the
filter doesn't operate on the incoming buffer this macro must be
called to ensure the buffer is big enough. */