added feature for playing sounds backwards

torchlight_changes_unloze/torchlight3/Torchlight/AudioManager.py

@@ -303,8 +303,9 @@ class AudioClip():
 	def __del__(self):
 		self.Logger.info("~AudioClip()")
 
-    def Play(self, seconds = None, rubberband = None, dec_params = None, *args):
+	def Play(self, seconds = None, rubberband = None, dec_params = None, bitrate = None, backwards = None, *args):
-        return self.AudioPlayer.PlayURI(self.URI, position = seconds, rubberband = rubberband, dec_params = dec_params, *args)
+		return self.AudioPlayer.PlayURI(self.URI, position = seconds, rubberband = rubberband, dec_params = dec_params, bitrate = bitrate, 
+            backwards = backwards, *args)
 
 	def Stop(self):
 		return self.AudioPlayer.Stop()

torchlight_changes_unloze/torchlight3/Torchlight/Commands.py

@@ -8,6 +8,33 @@ import math
 from .Utils import Utils, DataHolder
 import traceback
 
+def get_birtate(message):
+    bitrate = []
+    try:
+        for msg in message[1].split(" "): #checking if
+            if "bitrate=" in msg:
+                bitrate = int(msg.split("bitrate=",1)[1])
+                if bitrate < 0.0:
+                    bitrate = 0.01
+                if bitrate > 2000:
+                    bitrate = 20
+                bitrate.append(f"bitrate=tempo={bitrate}")
+    except Exception:
+        pass
+    return bitrate 
+
+def get_backwards(message):
+    backwards = None
+    try:
+        for msg in message[1].split(" "): #checking if pitch= or tempo= is specified
+            if "backward=" in msg.lower():
+                backwards = True
+            elif "backwards=" in msg.lower():
+                backwards = True
+    except Exception:
+        pass
+    return backwards
+
 def get_rubberBand(message):
     rubberband = []
     try:
@@ -548,6 +575,8 @@ class VoiceCommands(BaseCommand):
             return 0
         
         rubberband = get_rubberBand(message)
+        backwards = get_backwards(message)
+        bitrate = get_birtate(message)
 
         if message[0] == "!random":
             Trigger = self.random.choice(list(self.VoiceTriggers.values()))
@@ -614,7 +643,7 @@ class VoiceCommands(BaseCommand):
         if not AudioClip:
             return 1
 
-        return AudioClip.Play(rubberband = rubberband)
+        return AudioClip.Play(rubberband = rubberband, bitrate = bitrate, backwards = backwards)
 
 
 class YouTube(BaseCommand):
@@ -647,7 +676,9 @@ class YouTube(BaseCommand):
         #turning the string into a list where get_rubberband just picks the second element to search in
         dline = ['', line.split(" ", 1)[1]]
         rubberband = get_rubberBand(dline)
-        return AudioClip.Play(Time, rubberband = rubberband)
+        backwards = get_backwards(dline)
+        bitrate = get_birtate(dline)
+        return AudioClip.Play(Time, rubberband = rubberband, bitrate = bitrate, backwards = backwards)
 
 class YouTubeSearch(BaseCommand):
     import json
@@ -693,7 +724,9 @@ class YouTubeSearch(BaseCommand):
         #turning the string into a list where get_rubberband just picks the second element to search in
         dline = ['', line.split(" ", 1)[1]]
         rubberband = get_rubberBand(dline)
-        return AudioClip.Play(Time, rubberband = rubberband)
+        backwards = get_backwards(dline)
+        bitrate = get_birtate(dline)
+        return AudioClip.Play(Time, rubberband = rubberband, bitrate = bitrate, backwards = backwards)
 
 
 class Say(BaseCommand):
@@ -721,9 +754,17 @@ class Say(BaseCommand):
         try:
             dline = ['', message.split(" ", 1)[1]]
             rubberband = get_rubberBand(dline)
+            backwards = get_backwards(dline)
         except Exception:
             rubberband = None
-        if AudioClip.Play(rubberband = rubberband):
+            backwards = None
+
+        try:
+            dline = ['', message.split(" ", 1)[1]]
+            bitrate = get_birtate(dline)
+        except Exception:
+            bitrate = None
+        if AudioClip.Play(rubberband = rubberband, bitrate = bitrate, backwards = backwards):
             AudioClip.AudioPlayer.AddCallback("Stop", lambda: os.unlink(TempFile.name))
             return 0
         else:

torchlight_changes_unloze/torchlight3/Torchlight/FFmpegAudioPlayer.py

@@ -57,7 +57,8 @@ class FFmpegAudioPlayer():
         self.Master.Logger.debug("~FFmpegAudioPlayer()")
         self.Stop()
 
-    def PlayURI(self, uri, position, rubberband = None, dec_params = None, *args):
+    def PlayURI(self, uri, position, rubberband = None, dec_params = None, bitrate = None, 
+            backwards = None, *args):
         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]
@@ -68,6 +69,14 @@ class FFmpegAudioPlayer():
         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:
             if rubberband:
                 Command += ["-filter:a"]
                 rubberCommand = ""
@@ -75,7 +84,14 @@ class FFmpegAudioPlayer():
                     rubberCommand += rubber + ", "
                 rubberCommand = rubberCommand[:-2]
                 Command += [rubberCommand]
+            if backwards:
+                Command += ["-af"]
+                Command += ["areverse"]
+        if bitrate:
+            Command += ["-ab ", str(bitrate), "k"]
+            self.Master.Logger.debug(f"command: {Command}")
         Command += ["-"]
+        #self.Master.Logger.debug(f"command: {Command}")
         asyncio.ensure_future(self._stream_subprocess(Command))
         return True