From f679c5de1bc27ac87179b6ef3869319aeba5e3f4 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Sat, 4 Oct 2014 12:30:14 +0200
Subject: [PATCH] ad_lavc: avoid warning messages on older FFmpeg or Libav

If the flag doesn't exist, the av_opt_set() API will print warning
messages.
---
 audio/decode/ad_lavc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/audio/decode/ad_lavc.c b/audio/decode/ad_lavc.c
index b138c5d69c..16a4ae45d0 100644
--- a/audio/decode/ad_lavc.c
+++ b/audio/decode/ad_lavc.c
@@ -156,8 +156,10 @@ static int init(struct dec_audio *da, const char *decoder)
     av_opt_set_double(lavc_context, "drc_scale", opts->ac3drc,
                       AV_OPT_SEARCH_CHILDREN);
 
+#if HAVE_AVFRAME_SKIP_SAMPLES
     // Let decoder add AV_FRAME_DATA_SKIP_SAMPLES.
     av_opt_set(lavc_context, "flags2", "+skip_manual", AV_OPT_SEARCH_CHILDREN);
+#endif
 
     mp_set_avopts(da->log, lavc_context, opts->avopts);