lavc/avuienc: fix mem leak in case of init failure

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

libavcodec/avuienc.c

@@ -25,16 +25,10 @@
 
 static av_cold int avui_encode_init(AVCodecContext *avctx)
 {
-    avctx->coded_frame = av_frame_alloc();
-
     if (avctx->width != 720 || avctx->height != 486 && avctx->height != 576) {
         av_log(avctx, AV_LOG_ERROR, "Only 720x486 and 720x576 are supported.\n");
         return AVERROR(EINVAL);
     }
-    if (!avctx->coded_frame) {
-        av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n");
-        return AVERROR(ENOMEM);
-    }
     if (!(avctx->extradata = av_mallocz(24 + FF_INPUT_BUFFER_PADDING_SIZE)))
         return AVERROR(ENOMEM);
     avctx->extradata_size = 24;
@@ -45,6 +39,11 @@ static av_cold int avui_encode_init(AVCodecContext *avctx)
         avctx->extradata[19] = 1;
     }
 
+    avctx->coded_frame = av_frame_alloc();
+    if (!avctx->coded_frame) {
+        av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n");
+        return AVERROR(ENOMEM);
+    }
 
     return 0;
 }