Public repo init

examples/mixer.py

@@ -0,0 +1,51 @@
+import RNS
+import LXST
+import sys
+import time
+RNS.loglevel = RNS.LOG_DEBUG
+
+target_frame_ms  = 20
+pipelined_output = True
+raw              = LXST.Codecs.Raw()
+
+# Pipelined mixer example
+if pipelined_output:
+    opus         = LXST.Codecs.Opus(profile=LXST.Codecs.Opus.PROFILE_AUDIO_HIGH)
+    codec2       = LXST.Codecs.Codec2(mode=LXST.Codecs.Codec2.CODEC2_3200)
+    line_sink    = LXST.Sinks.LineSink()
+    mixer        = LXST.Mixer(target_frame_ms=target_frame_ms)
+    loopback     = LXST.Sources.Loopback()
+
+    codec        = opus
+    
+    file_source1 = LXST.Sources.OpusFileSource("./docs/speech_stereo.opus", codec=raw, sink=mixer, loop=True, target_frame_ms=target_frame_ms)
+    file_source2 = LXST.Sources.OpusFileSource("./docs/podcast.opus", codec=raw, sink=mixer, loop=True, target_frame_ms=target_frame_ms)
+    line_source  = LXST.Sources.LineSource(target_frame_ms=target_frame_ms, codec=raw, sink=mixer)
+
+    input_pipeline  = LXST.Pipeline(source=mixer, codec=codec, sink=loopback)
+    output_pipeline = LXST.Pipeline(source=loopback, codec=codec, sink=line_sink)
+    input_pipeline.start(); output_pipeline.start()
+
+# Simple mixer example with output directly to sink
+else:
+    line_sink    = LXST.Sinks.LineSink()
+    mixer        = LXST.Mixer(target_frame_ms=target_frame_ms, sink=line_sink)
+    file_source1 = LXST.Sources.OpusFileSource("./docs/speech_stereo.opus", codec=raw, sink=mixer, loop=True, target_frame_ms=target_frame_ms)
+    file_source2 = LXST.Sources.OpusFileSource("./docs/podcast.opus", codec=raw, sink=mixer, loop=True, target_frame_ms=target_frame_ms)
+    line_source  = LXST.Sources.LineSource(target_frame_ms=target_frame_ms, codec=raw, sink=mixer)
+
+mixer.start()
+line_source.start()
+print("Hit enter to add another source"); input()
+
+file_source1.start()
+print("Hit enter to add another source"); input()
+
+file_source2.start()
+print("Hit enter to stop all sources"); input()
+
+file_source1.stop()
+file_source2.stop()
+line_source.stop()
+
+time.sleep(0.5)

examples/pipelines.py

@@ -0,0 +1,48 @@
+import RNS
+import LXST
+import sys
+import time
+RNS.loglevel = RNS.LOG_DEBUG
+
+if len(sys.argv) < 2:
+    print("No codec specified")
+    sys.exit(0)
+else:
+    selected_codec = sys.argv[1]
+
+if len(sys.argv) >= 4:
+    target_frame_ms = int(sys.argv[3])
+else:
+    target_frame_ms = 40
+
+if len(sys.argv) >= 3 and sys.argv[2].lower() == "file":
+    selected_source = LXST.Sources.OpusFileSource("./docs/speech_stereo.opus", loop=True, target_frame_ms=target_frame_ms)
+    # selected_source = LXST.Sources.OpusFileSource("./docs/music_stereo.opus", loop=True, target_frame_ms=target_frame_ms)
+    # selected_source = LXST.Sources.OpusFileSource("./docs/podcast.opus", loop=True, target_frame_ms=target_frame_ms)
+else:
+    selected_source = LXST.Sources.LineSource(target_frame_ms=target_frame_ms)
+
+line_sink   = LXST.Sinks.LineSink()
+loopback    = LXST.Sources.Loopback()
+
+if selected_codec.lower() == "raw":
+    raw             = LXST.Codecs.Raw()
+    input_pipeline  = LXST.Pipeline(source=selected_source, codec=raw, sink=loopback)
+    output_pipeline = LXST.Pipeline(source=loopback, codec=raw, sink=line_sink)
+elif selected_codec.lower() == "codec2":
+    codec2          = LXST.Codecs.Codec2(mode=LXST.Codecs.Codec2.CODEC2_1600)
+    input_pipeline  = LXST.Pipeline(source=selected_source, codec=codec2, sink=loopback)
+    output_pipeline = LXST.Pipeline(source=loopback, codec=codec2, sink=line_sink)
+elif selected_codec.lower() == "opus":
+    opus            = LXST.Codecs.Opus(profile=LXST.Codecs.Opus.PROFILE_VOICE_LOW)
+    input_pipeline  = LXST.Pipeline(source=selected_source, codec=opus, sink=loopback)
+    output_pipeline = LXST.Pipeline(source=loopback, codec=opus, sink=line_sink)
+else:
+    print("No valid codec selected")
+    sys.exit(0)
+
+input_pipeline.start(); output_pipeline.start()
+input()
+input_pipeline.stop()
+
+time.sleep(1)

examples/tone_generator.py

@@ -0,0 +1,15 @@
+import RNS
+import LXST
+import sys
+import time
+RNS.loglevel = RNS.LOG_DEBUG
+
+target_frame_ms = 40
+tone            = LXST.Generators.ToneSource(frequency=388, ease_time_ms=3.14159, target_frame_ms=target_frame_ms)
+line_sink       = LXST.Sinks.LineSink()
+output_pipeline = LXST.Pipeline(source=tone, codec=LXST.Codecs.Null(), sink=line_sink)
+
+output_pipeline.start(); input()
+tone.stop()
+
+time.sleep(1)