From 2ee85c067129e5c456dc2eb1807140dc2e434d9a Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Sat, 26 Mar 2011 15:26:45 +0100
Subject: [PATCH] ffmpeg: warns the user when the selected pixel format is
 ignored

---
 ffmpeg.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ffmpeg.c b/ffmpeg.c
index a8d0dcf647..50cda1a345 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -593,8 +593,14 @@ static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
             if(*p == st->codec->pix_fmt)
                 break;
         }
-        if(*p == -1)
+        if (*p == -1) {
+            av_log(NULL, AV_LOG_WARNING,
+                   "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
+                   av_pix_fmt_descriptors[st->codec->pix_fmt].name,
+                   codec->name,
+                   av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
             st->codec->pix_fmt = codec->pix_fmts[0];
+        }
     }
 }