freaking languages

Dockers/self-hosted-iptv/iptv/streamer.py

@@ -77,8 +77,6 @@ def get_preferred_audio_stream_index(path: Path) -> int | None:
         streams = data.get("streams") or []
         audio_streams = []
         for s in streams:
-            if s.get("codec_type") != "audio":
-                continue
             idx = s.get("index")
             if idx is None:
                 continue
@@ -260,11 +258,20 @@ def stream_live_channel(paths: list[Path], wfile, durations: list[float]) -> Non
             "-stream_loop", "-1",
             "-f", "concat", "-safe", "0", "-i", list_path,
         ]
+        # Prefer Dutch > Flemish > English > first audio (? = optional; first match wins in output order)
+        audio_map = [
+            "-map", "0:v:0",
+            "-map", "0:a:m:language:nld?",
+            "-map", "0:a:m:language:dut?",
+            "-map", "0:a:m:language:nl?",
+            "-map", "0:a:m:language:vls?",
+            "-map", "0:a:m:language:eng?",
+            "-map", "0:a:0?",
+        ]
         if NORMALIZE_LIVE_STREAM:
             w, h = _parse_resolution(NORMALIZE_TARGET_RES)
-            # Scale to fit target res, pad to exact size. Re-encode for uniform output.
             vf = f"scale={w}:{h}:force_original_aspect_ratio=decrease,pad={w}:{h}:(ow-iw)/2:(oh-ih)/2"
-            output_args = [
+            output_args = audio_map + [
                 "-vf", vf,
                 "-c:v", "libx264", "-preset", "ultrafast", "-tune", "zerolatency",
                 "-c:a", "aac", "-ac", "2", "-b:a", "128k",
@@ -275,7 +282,7 @@ def stream_live_channel(paths: list[Path], wfile, durations: list[float]) -> Non
                 "-",
             ]
         else:
-            output_args = [
+            output_args = audio_map + [
                 "-c", "copy",
                 "-avoid_negative_ts", "make_zero",
                 "-muxdelay", "0", "-muxpreload", "0",