[FFmpeg-cvslog] ffmpeg: Warn if output file is empty

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri Nov 25 16:17:06 2011 +0100| [e1d48786d577976fb8bb87dcd89097e87d080cfd] | committer: Michael Niedermayer

ffmpeg: Warn if output file is empty

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e1d48786d577976fb8bb87dcd89097e87d080cfd
---

 ffmpeg.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/ffmpeg.c b/ffmpeg.c
index 44139f8..8db18dc 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -1526,6 +1526,9 @@ static void print_report(OutputFile *output_files,
                extra_size/1024.0,
                100.0*(total_size - raw)/raw
         );
+        if(video_size + audio_size + extra_size == 0){
+            av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
+        }
     }
 }