support volume adjustments

2019-11-17 16:19:12 +01:00 · 2019-11-17 16:19:12 +01:00 · e46ed106d5
commit e46ed106d5
parent 60786749ec
2 changed files with 5 additions and 0 deletions
--- a/edit.py
+++ b/edit.py
@ -245,6 +245,7 @@ if __name__ == '__main__':
                        'resolution': info['resolution'],
                        'in': stream_in,
                        'out': stream_out,
+                        'volume': clip.get('volume', 1),
                    })
                    if 'path' in info:
                        videos[-1]['path'] = os.path.join(prefix, info['path'])
--- a/ffmpeg.py
+++ b/ffmpeg.py
@ -115,6 +115,10 @@ for clip in edit:
        else:
            aid = src_info['audio'][0]['id']
            audio = []
+            if clip.get('volume', 1) != 1:
+                audio += [
+                    '-filter:a', 'volume=%s' % clip['volume']
+                ]
            audio_map = ['-map', '0:%s,0:0' % aid, '-map', '0:%s,0:1' % vid]
        cmd = [
            'ffmpeg',