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Configure encoder for consistent HLS segmentation

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This commit is contained in:
Rafael Caricio 2021-10-13 12:17:40 +02:00
parent 07fa7d7674
commit b865cfccb8
Signed by: rafaelcaricio
GPG key ID: 3C86DBCE8E93C947
1 changed files with 27 additions and 9 deletions
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36
hlssink3_server.py
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@ -1,6 +1,5 @@
import sys
import traceback
import itertools
import logging
from typing import Optional
@ -26,36 +25,55 @@ class FileHlsOrigin:
self.origin.connect("pad-added", self.on_origin_pad_added)
self.videoconvert = gst_element("videoconvert")
self.audioconvert = gst_element("audioconvert")
audio_encoder = gst_element("avenc_aac")
video_queue = gst_element("queue")
# videoscale = gst_element("videoscale")
video_encoder = gst_element("vtenc_h264_hw")
videoscale = gst_element("videoscale")
videoscale_capsfilter = gst_element("capsfilter")
videoscale_capsfilter.props.caps = Gst.caps_from_string("video/x-raw,format=I420,width=960,height=540")
video_encoder = gst_element("x264enc")
video_encoder.set_property("bitrate", 2100)
video_encoder.set_property("key-int-max", 180)
video_encoder.set_property("speed-preset", "fast")
video_encoder.set_property("option-string", "min-keyint=179:scenecut=0")
video_encoder.set_property("tune", "zerolatency")
video_encoder_capsfilter = gst_element("capsfilter")
video_encoder_capsfilter.props.caps = Gst.caps_from_string("video/x-h264,stream-format=avc,alignment=au,profile=main,framerate=(fraction)30000/1001")
h264parse = gst_element("h264parse")
audio_queue = gst_element("queue")
hlssink3 = gst_element("hlssink3", "hls")
hlssink3.set_property("location", "public/segment%05d.ts")
hlssink3.set_property("playlist-location", "public/master.m3u8")
hlssink3.set_property("location", "segment%05d.ts")
hlssink3.set_property("playlist-location", "master.m3u8")
hlssink3.set_property("target-duration", 6)
hlssink3.set_property("playlist-length", 5)
hlssink3.set_property("max-files", 5)
hlssink3.set_property("playlist-length", 15)
hlssink3.set_property("max-files", 16)
self.pipeline.add(self.origin)
self.pipeline.add(self.videoconvert)
self.pipeline.add(self.audioconvert)
self.pipeline.add(audio_encoder)
self.pipeline.add(video_queue)
# self.pipeline.add(videoscale)
self.pipeline.add(videoscale)
self.pipeline.add(videoscale_capsfilter)
self.pipeline.add(video_encoder)
self.pipeline.add(video_encoder_capsfilter)
self.pipeline.add(h264parse)
self.pipeline.add(audio_queue)
self.pipeline.add(hlssink3)
self.pipeline.link(self.origin)
Gst.Element.link_many(self.videoconvert, video_queue, video_encoder, h264parse, hlssink3)
Gst.Element.link_many(
self.videoconvert, video_queue, videoscale, videoscale_capsfilter, video_encoder,
video_encoder_capsfilter, h264parse, hlssink3
)
Gst.Element.link_many(self.audioconvert, audio_queue, audio_encoder)
hls_sink_pad_templ = hlssink3.get_pad_template('audio')