From ad69915e4ae849c42b9d4a632652dcd765ece63d Mon Sep 17 00:00:00 2001
From: Isaac Connor <iconnor@connortechnology.com>
Date: Tue, 22 Jan 2019 13:30:40 -0500
Subject: [PATCH] fix build on libav 9, ubuntu trusty

---
 src/zm_ffmpeg.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/zm_ffmpeg.cpp b/src/zm_ffmpeg.cpp
index 36b499ee9..ad21f98f2 100644
--- a/src/zm_ffmpeg.cpp
+++ b/src/zm_ffmpeg.cpp
@@ -285,7 +285,11 @@ void zm_dump_frame(const AVFrame *frame,const char *text) {
       av_get_sample_fmt_name((AVSampleFormat)frame->format),
       frame->sample_rate,
       frame->nb_samples,
+#if LIBAVCODEC_VERSION_CHECK(56, 8, 0, 60, 100)
       frame->channels,
+#else
+0,
+#endif
       frame->channel_layout
       );
 }