add mapping options to convert2mp4

1 files changed, 7 insertions, 0 deletions

diff --git a/convert2mp4 b/convert2mp4
index 23894b8..9df1494 100755
--- a/convert2mp4
+++ b/convert2mp4
@@ -26,6 +26,8 @@ def main():
       help="change the video bitrate", metavar="<bitrate>")
   p.add_option("--ab", dest="abitrate", default="160000",
       help="change the audio bitrate", metavar="<bitrate>")
+  p.add_option("-m", "--map", action="append", dest="maps", default=None,
+      help="change the mappings", metavar="<input_stream_id:sync_stream_id>")
   p.add_option("--nd", action="store_false", dest="deinterlace", default=True,
       help="don't deinterlace the video")
 
@@ -49,6 +51,11 @@ def main():
     ffmpeg_args.append(options.abitrate)
   if options.deinterlace:
     ffmpeg_args.append("-deinterlace")
+  if options.maps[0]:
+    for cur_map in options.maps:
+      ffmpeg_args.append("-map")
+      ffmpeg_args.append(cur_map)
+
 
   for name in args:
         p1 = subprocess.Popen(["echo", "-n", name], stdout=subprocess.PIPE)