avdevice/decklink_dec: set configs before listing formats

Format list can be input and profile dependant.
Signed-off-by: Marton Balint <cus@passwd.hu>

libavdevice/decklink_dec.cpp

@@ -1072,6 +1072,12 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx)
         goto error;
     }
 
+    if (ff_decklink_set_configs(avctx, DIRECTION_IN) < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Could not set input configuration\n");
+        ret = AVERROR(EIO);
+        goto error;
+    }
+
     /* List supported formats. */
     if (ctx->list_formats) {
         ff_decklink_list_formats(avctx, DIRECTION_IN);
@@ -1079,12 +1085,6 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx)
         goto error;
     }
 
-    if (ff_decklink_set_configs(avctx, DIRECTION_IN) < 0) {
-        av_log(avctx, AV_LOG_ERROR, "Could not set input configuration\n");
-        ret = AVERROR(EIO);
-        goto error;
-    }
-
     input_callback = new decklink_input_callback(avctx);
     ret = (ctx->dli->SetCallback(input_callback) == S_OK ? 0 : AVERROR_EXTERNAL);
     input_callback->Release();