avfilter: Constify all AVFilters

[ffmpeg] / libavfilter / vf_detelecine.c

diff --git a/libavfilter/vf_detelecine.c b/libavfilter/vf_detelecine.c
index 0d1e2f2ffbb3a3e22c53243dcf6107766aa7246c..e345e3062ab370223651aed2be7bb31f75c94f81 100644 (file)
--- a/libavfilter/vf_detelecine.c
+++ b/libavfilter/vf_detelecine.c
@@ -124,19 +124,16 @@ static av_cold int init(AVFilterContext *ctx)
 
 static int query_formats(AVFilterContext *ctx)
 {
-    AVFilterFormats *pix_fmts = NULL;
-    int fmt, ret;
-
-    for (fmt = 0; av_pix_fmt_desc_get(fmt); fmt++) {
-        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
-        if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL ||
-              desc->flags & AV_PIX_FMT_FLAG_PAL     ||
-              desc->flags & AV_PIX_FMT_FLAG_BITSTREAM) &&
-             (ret = ff_add_format(&pix_fmts, fmt)) < 0)
-            return ret;
-    }
+    AVFilterFormats *formats = NULL;
+    int ret;
 
-    return ff_set_common_formats(ctx, pix_fmts);
+    ret = ff_formats_pixdesc_filter(&formats, 0,
+                                    AV_PIX_FMT_FLAG_BITSTREAM |
+                                    AV_PIX_FMT_FLAG_PAL |
+                                    AV_PIX_FMT_FLAG_HWACCEL);
+    if (ret < 0)
+        return ret;
+    return ff_set_common_formats(ctx, formats);
 }
 
 static int config_input(AVFilterLink *inlink)
@@ -206,6 +203,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
 
     if (s->nskip_fields >= 2) {
         s->nskip_fields -= 2;
+        av_frame_free(&inpicref);
         return 0;
     } else if (s->nskip_fields >= 1) {
         for (i = 0; i < s->nb_planes; i++) {
@@ -216,6 +214,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
         }
         s->occupied = 1;
         s->nskip_fields--;
+        av_frame_free(&inpicref);
         return 0;
     }
 
@@ -373,7 +372,7 @@ static const AVFilterPad detelecine_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_vf_detelecine = {
+const AVFilter ff_vf_detelecine = {
     .name          = "detelecine",
     .description   = NULL_IF_CONFIG_SMALL("Apply an inverse telecine pattern."),
     .priv_size     = sizeof(DetelecineContext),