lavfi/af_earwax: convert to query_func2()

libavfilter/af_earwax.c

@@ -79,19 +79,32 @@ typedef struct EarwaxContext {
     AVFrame *frame[2];
 } EarwaxContext;
 
-static int query_formats(AVFilterContext *ctx)
+static int query_formats(const AVFilterContext *ctx,
+                         AVFilterFormatsConfig **cfg_in,
+                         AVFilterFormatsConfig **cfg_out)
 {
+    static const enum AVSampleFormat formats[] = {
+        AV_SAMPLE_FMT_S16P,
+        AV_SAMPLE_FMT_NONE,
+    };
+    static const AVChannelLayout layouts[] = {
+        AV_CHANNEL_LAYOUT_STEREO,
+        { .nb_channels = 0 },
+    };
     static const int sample_rates[] = { 44100, -1 };
+
     int ret;
 
-    AVFilterFormats *formats = NULL;
+    ret = ff_set_common_formats_from_list2(ctx, cfg_in, cfg_out, formats);
-    AVFilterChannelLayouts *layout = NULL;
+    if (ret < 0)
+        return ret;
+
+    ret = ff_set_common_samplerates_from_list2(ctx, cfg_in, cfg_out, sample_rates);
+    if (ret < 0)
+        return ret;
 
-    if ((ret = ff_add_format                 (&formats, AV_SAMPLE_FMT_S16P                )) < 0 ||
+    ret = ff_set_common_channel_layouts_from_list2(ctx, cfg_in, cfg_out, layouts);
-        (ret = ff_set_common_formats         (ctx     , formats                           )) < 0 ||
+    if (ret < 0)
-        (ret = ff_add_channel_layout         (&layout , &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO)) < 0 ||
-        (ret = ff_set_common_channel_layouts (ctx     , layout                            )) < 0 ||
-        (ret = ff_set_common_samplerates_from_list(ctx, sample_rates)) < 0)
         return ret;
 
     return 0;
@@ -230,5 +243,5 @@ const AVFilter ff_af_earwax = {
     .uninit         = uninit,
     FILTER_INPUTS(earwax_inputs),
     FILTER_OUTPUTS(ff_audio_default_filterpad),
-    FILTER_QUERY_FUNC(query_formats),
+    FILTER_QUERY_FUNC2(query_formats),
 };