A Look at the Smallest (Excel) Spreadsheet Formats (and shrinking with advzip)

https://youtu.be/NXLMoJYfcNs

In this video I look at which format is the smallest for saving Excel spreadsheets.

View Files in xlsx File
zipinfo salesrecords.xlsx
View Files in ods File
zipinfo salesrecords.xlsx
Install advancecomp on Mac (using Macports)
sudo port install advancecomp
Install advancecomp on Ubuntu
sudo port install advancecomp
Optimize xlsx Compression
advzip -z4 salesrecords.xlsx

Streaming Live TV from a HDHomerun to a Web Browser using FFmpeg

https://youtu.be/Nc7qx2Go2MY

In this video I stream live TV from a SiliconDust HDHomeRun Extend to a web browser using ffmpeg. The video is served using nginx web browser set up on Ubuntu linux.

SiliconDust HDTC-2US-M HDHomeRun EXTEND (Amazon Affiliate)
US: https://amzn.to/3dV87bx
UK: https://amzn.to/2NYARVG
CA: https://amzn.to/38G96uZ
AU: https://amzn.to/2ABKdUm

hls.js site:https://github.com/video-dev/hls.js/blob/master/docs/API.md

stream.sh Script
 #!/bin/bash
VIDSOURCE="http://ip-address-of-hdhomerun:5004/auto/v11.1?transcode=internet240"
AUDIO_OPTS="-c:a aac -b:a 160000 -ac 2"
VIDEO_OPTS="-vcodec copy"
OUTPUT_HLS="-hls_time 10 -hls_list_size 10 -start_number 1"
ffmpeg -i "$VIDSOURCE" -y $AUDIO_OPTS $VIDEO_OPTS $OUTPUT_HLS mystream.m3u8

Streaming an IP Camera to a Web Browser using FFmpeg

https://youtu.be/ztjT2YqQ2Hc

In this video I stream an IP Camera to a web browser using ffmpeg. The video is served using nginx web browser set up on Ubuntu linux.

Amcrest IP Cameras: https://amzn.to/2FPzuXv (Amazon affiliate)

hls.js site:https://github.com/video-dev/hls.js/blob/master/docs/API.md

shell.sh
#!/bin/bash
VIDSOURCE="rtsp://username:password@ip-address-of-camera:554/cam/realmonitor?channel=1&subtype=0"
AUDIO_OPTS="-c:a aac -b:a 160000 -ac 2"
VIDEO_OPTS="-s 854x480 -c:v libx264 -b:v 800000"
OUTPUT_HLS="-hls_time 10 -hls_list_size 10 -start_number 1"
ffmpeg -i "$VIDSOURCE" -y $AUDIO_OPTS $VIDEO_OPTS $OUTPUT_HLS mystream.m3u8
index.html
<!DOCTYPE html>
<html><head><title>Live Cam</title></head>

<script src="https://cdn.jsdelivr.net/npm/hls.js@latest"></script>

<body>
<!-- Use this if you only support Safari!!
    <div id="player">
        <video id="video" autoplay="true" controls="controls">
            <source src="http://ip-address-of-web-server/live/mystream.m3u8" />
            Your browser does not support HTML5 streaming!
        </video>
    </div>
-->
<video id="video" autoplay="true" controls="controls"></video>
  <script>
    if (Hls.isSupported()) {
      var video = document.getElementById('video');
      var hls = new Hls();
      // bind them together
      hls.attachMedia(video);
      hls.on(Hls.Events.MEDIA_ATTACHED, function () {
        console.log("video and hls.js are now bound together !");
        hls.loadSource("http://<ip-address-of-web-server>/live/mystream.m3u8");
        hls.on(Hls.Events.MANIFEST_PARSED, function (event, data) {
          console.log("manifest loaded, found " + data.levels.length + " quality level");
        });
      });
    }
  </script>

</body>
</html>