avfilter: Constify all AVFilters

[ffmpeg] / libavfilter / f_reverse.c

diff --git a/libavfilter/f_reverse.c b/libavfilter/f_reverse.c
index 5f27927075562c2467ad5e58e5fc65f7443a799c..2a85e6966e34503975003a1c57e7a61321d96a34 100644 (file)
--- a/libavfilter/f_reverse.c
+++ b/libavfilter/f_reverse.c
@@ -58,6 +58,11 @@ static av_cold void uninit(AVFilterContext *ctx)
 {
     ReverseContext *s = ctx->priv;
 
+    while (s->nb_frames > 0) {
+        av_frame_free(&s->frames[s->nb_frames - 1]);
+        s->nb_frames--;
+    }
+
     av_freep(&s->pts);
     av_freep(&s->frames);
 }
@@ -103,6 +108,7 @@ static int request_frame(AVFilterLink *outlink)
         AVFrame *out = s->frames[s->nb_frames - 1];
         out->pts     = s->pts[s->flush_idx++];
         ret          = ff_filter_frame(outlink, out);
+        s->frames[s->nb_frames - 1] = NULL;
         s->nb_frames--;
     }
 
@@ -127,7 +133,7 @@ static const AVFilterPad reverse_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_vf_reverse = {
+const AVFilter ff_vf_reverse = {
     .name        = "reverse",
     .description = NULL_IF_CONFIG_SMALL("Reverse a clip."),
     .priv_size   = sizeof(ReverseContext),
@@ -262,6 +268,7 @@ static int areverse_request_frame(AVFilterLink *outlink)
         else
             reverse_samples_packed(out);
         ret = ff_filter_frame(outlink, out);
+        s->frames[s->nb_frames - 1] = NULL;
         s->nb_frames--;
     }
 
@@ -287,7 +294,7 @@ static const AVFilterPad areverse_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_areverse = {
+const AVFilter ff_af_areverse = {
     .name          = "areverse",
     .description   = NULL_IF_CONFIG_SMALL("Reverse an audio clip."),
     .query_formats = query_formats,