avfilter: Constify all AVFilters

[ffmpeg] / libavfilter / af_compensationdelay.c

diff --git a/libavfilter/af_compensationdelay.c b/libavfilter/af_compensationdelay.c
index 793332584bdb395874ca3d2f58ed42e3ad4ef530..f2e0dcd467fe5b09b4f797260af5f7f9b2d033f8 100644 (file)
--- a/libavfilter/af_compensationdelay.c
+++ b/libavfilter/af_compensationdelay.c
@@ -127,7 +127,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
     const unsigned delay = s->delay;
     const double dry = s->dry;
     const double wet = s->wet;
-    unsigned r_ptr, w_ptr;
+    unsigned r_ptr, w_ptr = 0;
     AVFrame *out;
     int n, ch;
 
@@ -186,7 +186,7 @@ static const AVFilterPad compensationdelay_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_compensationdelay = {
+const AVFilter ff_af_compensationdelay = {
     .name          = "compensationdelay",
     .description   = NULL_IF_CONFIG_SMALL("Audio Compensation Delay Line."),
     .query_formats = query_formats,