Update torchlight_changes_unloze/torchlight3/Torchlight/FFmpegAudioPlayer.py

torchlight_changes_unloze/torchlight3/Torchlight/FFmpegAudioPlayer.py

@@ -43,6 +43,7 @@ class FFmpegAudioPlayer():
             self.Torchlight().Config["VoiceServer"]["Port"]
         )
         self.SampleRate = float(self.Torchlight().Config["VoiceServer"]["SampleRate"])
+        self.Channels = int(self.Torchlight().Config["VoiceServer"].get("Channels", 2))
 
         self.StartedPlaying = None
         self.StoppedPlaying = None
@@ -62,35 +63,51 @@ class FFmpegAudioPlayer():
         if position:
             PosStr = str(datetime.timedelta(seconds = position))
             #Command = ["/usr/bin/ffmpeg", "-ss", PosStr, "-i", uri, "-acodec", "pcm_s16le", "-ac", "1", "-ar", str(int(self.SampleRate)), "-f", "s16le", "-vn", *args]
-            Command = ["/usr/bin/ffmpeg", "-ss", PosStr, "-i", uri, "-af", "highpass=f=20", "-acodec", "pcm_s16le", "-ac", "2", "-ar", str(int(self.SampleRate)), "-f", "s16le", "-vn", *args]
+            Command = ["/usr/bin/ffmpeg", "-ss", PosStr, "-i", uri, "-acodec", "pcm_s16le", "-ac", str(self.Channels), "-ar", str(int(self.SampleRate)), "-f", "s16le", "-vn"]
         else:
             #Command = ["/usr/bin/ffmpeg", "-i", uri, "-acodec", "pcm_s16le", "-ac", "1", "-ar", str(int(self.SampleRate)), "-f", "s16le", "-vn", *args]
-            Command = ["/usr/bin/ffmpeg", "-i", uri, "-af", "highpass=f=20", "-acodec", "pcm_s16le", "-ac", "2", "-ar", str(int(self.SampleRate)),"-f", "s16le", "-vn"]
+            Command = ["/usr/bin/ffmpeg", "-i", uri, "-acodec", "pcm_s16le", "-ac", str(self.Channels), "-ar", str(int(self.SampleRate)), "-f", "s16le", "-vn"]
+
+        if args:
+            Command += list(args)
 
         self.Playing = True
         if dec_params:
             Command += dec_params
 
-        if rubberband and backwards:
-            Command += ["-filter:a"]
-            rubberCommand = ""
-            for rubber in rubberband:
-                rubberCommand += rubber + ", "
-            rubberCommand = rubberCommand[:-2]
-            Command += [rubberCommand + "[reversed];[reversed]areverse"] #[reversed] is intermediate stream label so reverse knows what stream label to reverse
-        else:
+        filter_chain = ["highpass=f=20"]
         if rubberband:
-                Command += ["-filter:a"]
-                rubberCommand = ""
-                for rubber in rubberband:
-                    rubberCommand += rubber + ", "
-                rubberCommand = rubberCommand[:-2]
-                Command += [rubberCommand]
+            # Treat rubberband as either a single pre-built filtergraph string
+            # or an iterable of simple, comma-safe filters. Validate to avoid
+            # generating invalid ffmpeg filter syntax.
+            rubberband_filters = []
+            if isinstance(rubberband, str):
+                rubberband_filters = [rubberband]
+            else:
+                try:
+                    iterator = iter(rubberband)
+                except TypeError:
+                    # Not iterable: coerce to string and treat as single element.
+                    rubberband_filters = [str(rubberband)]
+                else:
+                    for f in iterator:
+                        if not isinstance(f, str):
+                            f = str(f)
+                        # Reject potentially complex/unsafe filter fragments that
+                        # could break the filtergraph when joined with commas.
+                        if any(ch in f for ch in [",", ";", "[", "]"]):
+                            self.Master.Logger.error(
+                                "Skipping unsafe rubberband filter fragment %r: "
+                                "contains ',', ';', '[' or ']'", f
+                            )
+                            continue
+                        rubberband_filters.append(f)
+            filter_chain.extend(rubberband_filters)
         if backwards:
-                Command += ["-af"]
-                Command += ["areverse"]
+            filter_chain.append("areverse")
+        Command += ["-filter:a", ",".join(filter_chain)]
         if bitrate:
-            Command += ["-ab ", str(bitrate), "k"]
+            Command += ["-b:a", f"{bitrate}k"]
             self.Master.Logger.debug(f"command: {Command}")
         Command += ["-"]
         #self.Master.Logger.debug(f"command: {Command}")
@@ -123,7 +140,7 @@ class FFmpegAudioPlayer():
         self.Playing = False
 
         self.Callback("Stop")
-        del self.Callbacks
+        self.Callbacks = []
 
         return True
 
@@ -159,8 +176,6 @@ class FFmpegAudioPlayer():
                 self.Stop(False)
                 return
 
-            LastSecondsElapsed = SecondsElapsed
-
             await asyncio.sleep(0.1)
 
     async def _read_stream(self, stream, writer):
@@ -174,9 +189,21 @@ class FFmpegAudioPlayer():
                 await writer.drain()
 
                 Bytes = len(Data)
-                Samples = Bytes / SAMPLEBYTES
-                Seconds = Samples / self.SampleRate
+                frame_size = SAMPLEBYTES * self.Channels
 
+                # Guard against invalid configuration and use integral frame counting
+                if frame_size <= 0 or self.SampleRate <= 0:
+                    self.Master.Logger.error(
+                        "Invalid audio configuration: Channels=%r, SampleRate=%r",
+                        self.Channels,
+                        self.SampleRate,
+                    )
+                else:
+                    # Accumulate remainder bytes to avoid systematic undercounting
+                    total_bytes = getattr(self, "_byte_remainder", 0) + Bytes
+                    Frames = total_bytes // frame_size
+                    self._byte_remainder = total_bytes % frame_size
+                    Seconds = Frames / self.SampleRate
                     self.Seconds += Seconds
 
                 if not Started: