avfilter/af_afreqshift: add fltp sample format support

[ffmpeg] / libavfilter / vf_showpalette.c

diff --git a/libavfilter/vf_showpalette.c b/libavfilter/vf_showpalette.c
index f715d6bc2c4a3e4055831e3bd698130eb807ec79..c0327acf5c8e7b52b15eb2762bd688509488b06e 100644 (file)
--- a/libavfilter/vf_showpalette.c
+++ b/libavfilter/vf_showpalette.c
@@ -46,26 +46,13 @@ static int query_formats(AVFilterContext *ctx)
 {
     static const enum AVPixelFormat in_fmts[]  = {AV_PIX_FMT_PAL8,  AV_PIX_FMT_NONE};
     static const enum AVPixelFormat out_fmts[] = {AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE};
-    int ret;
-    AVFilterFormats *in  = ff_make_format_list(in_fmts);
-    AVFilterFormats *out = ff_make_format_list(out_fmts);
-    if (!in || !out) {
-        ret = AVERROR(ENOMEM);
-        goto fail;
-    }
+    int ret = ff_formats_ref(ff_make_format_list(in_fmts),
+                             &ctx->inputs[0]->outcfg.formats);
+    if (ret < 0)
+        return ret;
 
-    if ((ret = ff_formats_ref(in , &ctx->inputs[0]->out_formats)) < 0 ||
-        (ret = ff_formats_ref(out, &ctx->outputs[0]->in_formats)) < 0)
-        goto fail;
-    return 0;
-fail:
-    if (in)
-        av_freep(&in->formats);
-    av_freep(&in);
-    if (out)
-        av_freep(&out->formats);
-    av_freep(&out);
-    return ret;
+    return ff_formats_ref(ff_make_format_list(out_fmts),
+                          &ctx->outputs[0]->incfg.formats);
 }
 
 static int config_output(AVFilterLink *outlink)