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GStreamer Python YouTube Livestream
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| import os, gi | |
| gi.require_version("Gst", "1.0") | |
| from gi.repository import GObject, Gst | |
| Gst.init(None) | |
| pipeline = Gst.Pipeline() | |
| # Variables. | |
| youtube_stream_key = "your_key_here" | |
| encoder_speed = "ultrafast" | |
| # Video elements. | |
| videotestsrc = Gst.ElementFactory.make("videotestsrc") | |
| videotestsrc.set_property("is-live", True) | |
| pipeline.add(videotestsrc) | |
| videoconvert = Gst.ElementFactory.make("videoconvert") | |
| pipeline.add(videoconvert) | |
| clockoverlay = Gst.ElementFactory.make("clockoverlay") | |
| clockoverlay.set_property("halignment", "center") | |
| clockoverlay.set_property("valignment", "top") | |
| clockoverlay.set_property("shaded-background", True) | |
| clockoverlay.set_property("font-desc", "Sans, 60") | |
| pipeline.add(clockoverlay) | |
| videorate = Gst.ElementFactory.make("videorate") | |
| videorate.set_property("drop-only", True) | |
| pipeline.add(videorate) | |
| x264enc = Gst.ElementFactory.make("x264enc") | |
| x264enc.set_property("bitrate", 4000) | |
| x264enc.set_property("tune", "zerolatency") | |
| x264enc.set_property("key-int-max", 60) | |
| x264enc.set_property("speed-preset", encoder_speed) | |
| x264enc.set_property("option-string", "keyint=60:min-keyint=60") | |
| pipeline.add(x264enc) | |
| queue = Gst.ElementFactory.make("queue") | |
| pipeline.add(queue) | |
| flvmux = Gst.ElementFactory.make("flvmux") | |
| flvmux.set_property("streamable", True) | |
| pipeline.add(flvmux) | |
| rtmpsink = Gst.ElementFactory.make("rtmpsink") | |
| rtmpsink.set_property("location", "rtmp://a.rtmp.youtube.com/live2/" + youtube_stream_key) | |
| pipeline.add(rtmpsink) | |
| video_caps = Gst.Caps.from_string("video/x-raw,width=1280,height=720,framerate=30/1") | |
| videotestsrc.link_filtered(videoconvert, video_caps) | |
| videoconvert.link(clockoverlay) | |
| clockoverlay.link(videorate) | |
| videorate.link(x264enc) | |
| x264enc.link(queue) | |
| queue.link(flvmux) | |
| flvmux.link(rtmpsink) | |
| # Audio elements. | |
| audiosrc = Gst.ElementFactory.make("audiotestsrc") | |
| audiosrc.set_property("is-live", True) | |
| pipeline.add(audiosrc) | |
| audiorate = Gst.ElementFactory.make("audiorate") | |
| pipeline.add(audiorate) | |
| audioconvert = Gst.ElementFactory.make("audioconvert") | |
| pipeline.add(audioconvert) | |
| audioresample = Gst.ElementFactory.make("audioresample") | |
| pipeline.add(audioresample) | |
| voaacenc = Gst.ElementFactory.make("voaacenc") | |
| voaacenc.set_property("bitrate", 96000) | |
| pipeline.add(voaacenc) | |
| audio_caps = Gst.Caps.from_string("audio/x-raw,rate=48000") | |
| audiosrc.link_filtered(audiorate, audio_caps) | |
| audiorate.link(audioconvert) | |
| audioconvert.link(audioresample) | |
| audioresample.link(voaacenc) | |
| voaacenc.link(flvmux) | |
| # Start pipeline. | |
| pipeline.set_state(Gst.State.PLAYING) | |
| while True: | |
| pass |
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