hsiaosiyuan0/hls.sh

## hls.sh
#!/usr/bin/env bash

# downloading mv.mp4
download_mv_if_needed() {
  if [ ! -f "./videos/mv.mp4" ]; then
    mkdir -p ./videos
    curl -L https://www.dropbox.com/s/fl02xpyhz8693b0/mv.mp\?dl\=1 -o ./videos/mv.mp4
  fi
}

# create dir for saving results
make_dest_dir() {
  mkdir -p ./videos/dest
}

# do compress and segment
do_seg() {
  make_dest_dir

  ffmpeg -v verbose -i ./videos/mv.mp4 \
    -vf scale=640:360 -c:a aac -c:v libx264 \
      -hls_time 10 \
      -hls_playlist_type vod -b:v 400k -maxrate 400k -bufsize 400k -b:a 96k \
      -hls_segment_filename ./videos/dest/360p_%03d.ts -f hls ./videos/dest/360p.m3u8 \
    -vf scale=854x480 -c:a aac -c:v libx264 \
      -hls_time 10 \
      -hls_playlist_type vod -b:v 800k -maxrate 800k -bufsize 800k -b:a 128k \
      -hls_segment_filename ./videos/dest/480p_%03d.ts ./videos/dest/480p.m3u8 \
    -vf scale=1280:720 -c:a aac -c:v libx264 \
      -hls_time 10 \
      -hls_playlist_type vod -b:v 1500k -maxrate 1500k -bufsize 1500k -b:a 256k \
      -hls_segment_filename ./videos/dest/720p_%03d.ts ./videos/dest/720p.m3u8
}

do_seg_if_needed() {
  if [ ! -d "./videos/dest/" ]; then
    do_seg
  fi
}

# create a master m3u8te
make_master_m3u8() {
  cat <<EOF > mv.m3u8
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-STREAM-INF:BANDWIDTH=800000,RESOLUTION=640x360
./videos/dest/360p.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=1300000,RESOLUTION=842x480
./videos/dest/480p.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=2600000,RESOLUTION=1280x720
./videos/dest/720p.m3u8
EOF
}

# create index.html
make_index_html() {
  cat <<EOF > index.html
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>hls-demo</title>
    <style>
      #video {
        display: block;
        margin: 0 auto;
      }
    </style>
  </head>
  <body>
    <video id="video" width="500" controls></video>
  </body>
  <script src="https://cdn.jsdelivr.net/npm/hls.js@latest"></script>
  <script>
    var video = document.getElementById('video');
    var m3u8 = "http://localhost:8000/mv.m3u8";
    if (Hls.isSupported()) {
      var hls = new Hls();
      hls.loadSource(m3u8);
      hls.attachMedia(video);
      hls.on(Hls.Events.MANIFEST_PARSED, function() {
        video.play();
      });
    } else if (video.canPlayType('application/vnd.apple.mpegurl')) {
      video.src = m3u8;
      video.addEventListener('loadedmetadata', function() {
        video.play();
      });
    }
  </script>
</html>
EOF
}

serve() {
  npm install -g @svrx/cli
  svrx
}

download_mv_if_needed

do_seg_if_needed

make_master_m3u8

make_index_html

serve
	#!/usr/bin/env bash

	# downloading mv.mp4
	download_mv_if_needed() {
	if [ ! -f "./videos/mv.mp4" ]; then
	mkdir -p ./videos
	curl -L https://www.dropbox.com/s/fl02xpyhz8693b0/mv.mp\?dl\=1 -o ./videos/mv.mp4
	fi
	}

	# create dir for saving results
	make_dest_dir() {
	mkdir -p ./videos/dest
	}

	# do compress and segment
	do_seg() {
	make_dest_dir

	ffmpeg -v verbose -i ./videos/mv.mp4 \
	-vf scale=640:360 -c:a aac -c:v libx264 \
	-hls_time 10 \
	-hls_playlist_type vod -b:v 400k -maxrate 400k -bufsize 400k -b:a 96k \
	-hls_segment_filename ./videos/dest/360p_%03d.ts -f hls ./videos/dest/360p.m3u8 \
	-vf scale=854x480 -c:a aac -c:v libx264 \
	-hls_time 10 \
	-hls_playlist_type vod -b:v 800k -maxrate 800k -bufsize 800k -b:a 128k \
	-hls_segment_filename ./videos/dest/480p_%03d.ts ./videos/dest/480p.m3u8 \
	-vf scale=1280:720 -c:a aac -c:v libx264 \
	-hls_time 10 \
	-hls_playlist_type vod -b:v 1500k -maxrate 1500k -bufsize 1500k -b:a 256k \
	-hls_segment_filename ./videos/dest/720p_%03d.ts ./videos/dest/720p.m3u8
	}

	do_seg_if_needed() {
	if [ ! -d "./videos/dest/" ]; then
	do_seg
	fi
	}

	# create a master m3u8te
	make_master_m3u8() {
	cat <<EOF > mv.m3u8
	#EXTM3U
	#EXT-X-VERSION:3
	#EXT-X-STREAM-INF:BANDWIDTH=800000,RESOLUTION=640x360
	./videos/dest/360p.m3u8
	#EXT-X-STREAM-INF:BANDWIDTH=1300000,RESOLUTION=842x480
	./videos/dest/480p.m3u8
	#EXT-X-STREAM-INF:BANDWIDTH=2600000,RESOLUTION=1280x720
	./videos/dest/720p.m3u8
	EOF
	}

	# create index.html
	make_index_html() {
	cat <<EOF > index.html
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>hls-demo</title>
	<style>
	#video {
	display: block;
	margin: 0 auto;
	}
	</style>
	</head>
	<body>
	<video id="video" width="500" controls></video>
	</body>
	<script src="https://cdn.jsdelivr.net/npm/hls.js@latest"></script>
	<script>
	var video = document.getElementById('video');
	var m3u8 = "http://localhost:8000/mv.m3u8";
	if (Hls.isSupported()) {
	var hls = new Hls();
	hls.loadSource(m3u8);
	hls.attachMedia(video);
	hls.on(Hls.Events.MANIFEST_PARSED, function() {
	video.play();
	});
	} else if (video.canPlayType('application/vnd.apple.mpegurl')) {
	video.src = m3u8;
	video.addEventListener('loadedmetadata', function() {
	video.play();
	});
	}
	</script>
	</html>
	EOF
	}

	serve() {
	npm install -g @svrx/cli
	svrx
	}

	download_mv_if_needed

	do_seg_if_needed

	make_master_m3u8

	make_index_html

	serve