From e20c6d95b20e6e661045814c093c50facae83df5 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Sun, 29 Dec 2019 15:31:11 +0100
Subject: [PATCH] avfilter/af_crystalizer: add support for commands

---
 libavfilter/af_crystalizer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavfilter/af_crystalizer.c b/libavfilter/af_crystalizer.c
index 0c2b98f3db..4df6a4b609 100644
--- a/libavfilter/af_crystalizer.c
+++ b/libavfilter/af_crystalizer.c
@@ -34,7 +34,7 @@ typedef struct CrystalizerContext {
 } CrystalizerContext;
 
 #define OFFSET(x) offsetof(CrystalizerContext, x)
-#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
 
 static const AVOption crystalizer_options[] = {
     { "i", "set intensity",    OFFSET(mult), AV_OPT_TYPE_FLOAT, {.dbl=2.0}, 0, 10, A },
@@ -255,4 +255,5 @@ AVFilter ff_af_crystalizer = {
     .inputs         = inputs,
     .outputs        = outputs,
     .flags          = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
+    .process_command = ff_filter_process_command,
 };