diff --git a/bin/ffx.py b/bin/ffx.py
index c352753..f1ab0fd 100755
--- a/bin/ffx.py
+++ b/bin/ffx.py
@@ -450,6 +450,7 @@ def streams(filename):
 @click.option('-at', '--audio-title', type=str, multiple=True, help='Audio stream title(s)')
 
 @click.option('-da', '--default-audio', type=int, default=-1, help='Index of default audio stream')
+@click.option('-da', '--forced-audio', type=int, default=-1, help='Index of forced audio stream')
 
 
 @click.option("--crop", is_flag=False, flag_value="default", default="none")
@@ -483,6 +484,7 @@ def convert(ctx,
             audio_language,
             audio_title,
             default_audio,
+            forced_audio,
             crop,
             output_directory,
             clear_metadata,
@@ -619,11 +621,67 @@ def convert(ctx,
             click.echo(f"File with path {sourcePath} does not contain any audiovisual data, skipping ...")
             continue
 
+
+        click.echo('Source streans:')
         for aStream in sourceStreamDescriptor[STREAM_TYPE_AUDIO]:
-            click.echo(f"audio stream lang={aStream['language']}")
+            click.echo(f"audio stream {aStream['src_sub_index']} lang={aStream['language']} title={aStream['title']} default={aStream['disposition']['default']} forced={aStream['disposition']['forced']}")
 
         for sStream in sourceStreamDescriptor[STREAM_TYPE_SUBTITLE]:
-            click.echo(f"subtitle stream lang={sStream['language']}")
+            click.echo(f"subtitle stream {sStream['src_sub_index']} lang={sStream['language']} title={sStream['title']} default={sStream['disposition']['default']} forced={sStream['disposition']['forced']}")
+
+
+        #NOTE: It is currently expected that all source file have the same substream pattern, e.g. coming from the same encoder
+        defaultAudioStreams = [a for a in sourceStreamDescriptor[STREAM_TYPE_AUDIO] if 'disposition' in a.keys() and 'default' in a['disposition'].keys() and a['disposition']['default'] == 1]
+
+        if default_audio == -1 and len(defaultAudioStreams) > 1:
+            default_audio = click.prompt("More than one default audio stream detected! Please select stream", type=int)
+
+        forcedAudioStreams = [a for a in sourceStreamDescriptor[STREAM_TYPE_AUDIO] if 'disposition' in a.keys() and 'default' in a['disposition'].keys() and a['disposition']['forced'] == 1]
+
+        if forced_audio == -1 and len(forcedAudioStreams) > 1:
+            forced_audio = click.prompt("More than one forced audio stream detected! Please select stream", type=int)
+
+        defaultSubtitleStreams = [s for s in sourceStreamDescriptor[STREAM_TYPE_SUBTITLE] if 'disposition' in s.keys() and 'default' in s['disposition'].keys() and s['disposition']['default'] == 1]
+
+        if default_subtitle == -1 and len(defaultSubtitleStreams) > 1:
+            default_subtitle = click.prompt("More than one default subtitle stream detected! Please select stream", type=int)
+
+        forcedSubtitleStreams = [s for s in sourceStreamDescriptor[STREAM_TYPE_SUBTITLE] if 'disposition' in s.keys() and 'default' in s['disposition'].keys() and s['disposition']['forced'] == 1]
+
+        if forced_subtitle == -1 and len(forcedSubtitleStreams) > 1:
+            forced_subtitle = click.prompt("More than one forced subtitle stream detected! Please select stream", type=int)
+
+
+        #Fix multiple default/forced tags
+        if default_audio != -1:
+            for substreamIndex in range(len(targetStreamDescriptor[STREAM_TYPE_AUDIO])):
+                if not 'disposition' in targetStreamDescriptor[STREAM_TYPE_AUDIO][substreamIndex].keys():
+                    targetStreamDescriptor[STREAM_TYPE_AUDIO][substreamIndex]['disposition'] = {}
+                targetStreamDescriptor[STREAM_TYPE_AUDIO][substreamIndex]['disposition']['default'] = 1 if substreamIndex == default_audio else 0
+        if forced_audio != -1:
+            for substreamIndex in range(len(targetStreamDescriptor[STREAM_TYPE_AUDIO])):
+                if not 'disposition' in targetStreamDescriptor[STREAM_TYPE_AUDIO][substreamIndex].keys():
+                    targetStreamDescriptor[STREAM_TYPE_AUDIO][substreamIndex]['disposition'] = {}
+                targetStreamDescriptor[STREAM_TYPE_AUDIO][substreamIndex]['disposition']['forced'] = 1 if substreamIndex == forced_audio else 0
+        if default_subtitle != -1:
+            for substreamIndex in range(len(targetStreamDescriptor[STREAM_TYPE_SUBTITLE])):
+                if not 'disposition' in targetStreamDescriptor[STREAM_TYPE_SUBTITLE][substreamIndex].keys():
+                    targetStreamDescriptor[STREAM_TYPE_SUBTITLE][substreamIndex]['disposition'] = {}
+                targetStreamDescriptor[STREAM_TYPE_SUBTITLE][substreamIndex]['disposition']['default'] = 1 if substreamIndex == default_subtitle else 0
+        if forced_subtitle != -1:
+            for substreamIndex in range(len(targetStreamDescriptor[STREAM_TYPE_SUBTITLE])):
+                if not 'disposition' in targetStreamDescriptor[STREAM_TYPE_SUBTITLE][substreamIndex].keys():
+                    targetStreamDescriptor[STREAM_TYPE_SUBTITLE][substreamIndex]['disposition'] = {}
+                targetStreamDescriptor[STREAM_TYPE_SUBTITLE][substreamIndex]['disposition']['forded'] = 1 if substreamIndex == forced_subtitle else 0
+
+
+        click.echo('Target streans:')
+        for aStream in targetStreamDescriptor[STREAM_TYPE_AUDIO]:
+            click.echo(f"audio stream {aStream['src_sub_index']} lang={aStream['language']} title={aStream['title']} default={aStream['disposition']['default']} forced={aStream['disposition']['forced']}")
+
+        for sStream in targetStreamDescriptor[STREAM_TYPE_SUBTITLE]:
+            click.echo(f"subtitle stream {sStream['src_sub_index']} lang={sStream['language']} title={sStream['title']} default={sStream['disposition']['default']} forced={sStream['disposition']['forced']}")
+
 
 
         commandTokens = COMMAND_TOKENS + ['-i', sourcePath]