basic streaming to icecast

default.nix

@@ -4,5 +4,5 @@ pkgs.python3Packages.buildPythonApplication {
   pname = "radio";
   src = self;
   version = "0.1";
-  propagatedBuildInputs = with pkgs.python3Packages; [ pip ffmpeg-python youtube-dl ];
+  propagatedBuildInputs = with pkgs.python3Packages; [ pip ffmpeg-python ];
 }

downloader.py

@@ -31,7 +31,7 @@ def executeYoutubeDL(url, cb):
     "-o", "-",
     "-f", "bestaudio/best",
     # "--extract-audio",
-    "--audio-format", "wav",
+    "--audio-format", "mp3",
     "--prefer-ffmpeg",
     #"--postprocessor-args", "-re",
     #"--external-downloader", "ffmpeg",

radio.py

@@ -3,20 +3,18 @@ import ffmpeg
 import sys
 
 def run():
-  # process = (
-  #   ffmpeg
-  #   .input('pipe:', format='wav')
-  #   .output("icecast://source:hackme@localhost:8000/stream.mp3", format='mp3', content_type="audio/mpeg")
-  #   .global_args("-re") # argument to act as a live stream
-  #   .run_async(pipe_stdin=True)
-  # )
+  process = ( ffmpeg
+    .input('pipe:', re=None)
+    .output("icecast://source:hackme@localhost:8000/stream.mp3", format='mp3', content_type="audio/mpeg")
+    .run_async(pipe_stdin=True)
+  )
 
   def cb(chunk):
-    # process.stdin.write(chunk)
-    sys.stdout.write("".join(map(chr, chunk)))
+    process.stdin.write(chunk)
     return False
 
-  downloader.download('https://www.youtube.com/watch?v=BaW_jenozKc', cb)
+  downloader.download('https://www.youtube.com/watch?v=EbnH3VHzhu8', cb)
+  # downloader.download('https://www.youtube.com/watch?v=BaW_jenozKc', cb)
   # downloader.download('https://www.youtube.com/watch?v=kgBcg4uBd9Q', cb)
   # downloader.download('https://www.youtube.com/watch?v=EbnH3VHzhu8', cb)
 

setup.py

@@ -1,6 +1,6 @@
 from setuptools import setup
 
-requires = ["pip"]
+requires = ["pip","ffmpeg-python"]
 
 setup(
     name='radio',