added option to include audio from Video components

1 files changed, 14 insertions, 2 deletions

diff --git a/src/core.py b/src/core.py
index 64f55eb..d72760d 100644
--- a/src/core.py
+++ b/src/core.py
@@ -526,13 +526,25 @@ class Core:
             if 'audio' in comp.properties()
         ]
         if extraAudio:
-            for extraInputFile, params in extraAudio:
+            unwantedVideoStreams = []
+            for compNo, params in enumerate(extraAudio):
+                extraInputFile, params = params
                 ffmpegCommand.extend([
                     '-i', extraInputFile
                 ])
+                if 'map' in params and params['map'] == '-v':
+                    # a video stream to remove
+                    unwantedVideoStreams.append(compNo + 1)
+
+            if unwantedVideoStreams:
+                ffmpegCommand.extend(['-map', '0'])
+            for compNo in unwantedVideoStreams:
+                ffmpegCommand.extend([
+                    '-map', '-%s:v' % str(compNo)
+                ])
             ffmpegCommand.extend([
                 '-filter_complex',
-                'amix=inputs=%s:duration=longest:dropout_transition=3' % str(
+                'amix=inputs=%s:duration=first:dropout_transition=3' % str(
                     len(extraAudio) + 1
                 ),
             ])