ffmpeg.c: allow using negative file indices to disable metadata copying
authorAnton Khirnov <wyskas@gmail.com>
Mon, 8 Nov 2010 06:47:41 +0000 (06:47 +0000)
committerAnton Khirnov <wyskas@gmail.com>
Mon, 8 Nov 2010 06:47:41 +0000 (06:47 +0000)
Originally committed as revision 25706 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffmpeg.c

index fc1d52b..b1cdf1c 100644 (file)
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2346,6 +2346,8 @@ static int transcode(AVFormatContext **output_files,
 
         int out_file_index = meta_data_maps[i][0].file;
         int in_file_index = meta_data_maps[i][1].file;
+        if (in_file_index < 0 || out_file_index < 0)
+            continue;
         METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
         METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")