From bfd846bbffe88a00840b5e3a40d1a9cae142a525 Mon Sep 17 00:00:00 2001
From: Jon Burgess <jburgess777@gmail.com>
Date: Sun, 20 Mar 2016 21:44:58 +0000
Subject: [PATCH] Add more logging to diagnose problems with applying ffmpeg
 options

---
 src/zm_ffmpeg_camera.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/zm_ffmpeg_camera.cpp b/src/zm_ffmpeg_camera.cpp
index 9e3a2960c..380e4ba39 100644
--- a/src/zm_ffmpeg_camera.cpp
+++ b/src/zm_ffmpeg_camera.cpp
@@ -257,6 +257,10 @@ int FfmpegCamera::OpenFfmpeg() {
     	    }
     		  
     	}
+       else
+       {
+           Warning( "Unable to parse ffmpeg option %d '%s', expecting key=value", i, opVect[i].c_str() );
+       }
     }    
 	Debug ( 1, "Calling avformat_open_input" );
 
@@ -272,6 +276,11 @@ int FfmpegCamera::OpenFfmpeg() {
         return -1;
     }
 
+    AVDictionaryEntry *e;
+    if ((e = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX)) != NULL) {
+        Warning( "Option %s not recognized by ffmpeg", e->key);
+    }
+
     mIsOpening = false;
     Debug ( 1, "Opened input" );