67 lines
1.8 KiB
PHP
67 lines
1.8 KiB
PHP
<?php
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$argv = $_SERVER['argv'];
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$self = array_shift( $argv );
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$base = array_shift( $argv ); // "fmp4"
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$audio = [];
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$video = [];
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$audioCodecs = [
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'mpeg' => 'mp4a.40.34',
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'opus' => 'opus'
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];
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// @fixme use correct settings based on the file
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$videoCodecs = [
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'vp9' => 'vp09.00.10.08',
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'h264' => 'avc1.42e00a',
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];
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while ( count( $argv ) > 0 ) {
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$track = array_shift( $argv );
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[ $res, $codec, $ext ] = explode( '.', $track, 3 );
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$filename = "$base.$res.$codec.$ext";
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$playlist = "$filename.m3u8";
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if ( $res === 'audio' ) {
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$name = 'English'; // @fixme use correct unknown marker
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$language = 'en-US'; // @fixme
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$channels = 2; // @fixme
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$uri = urlencode( $playlist );
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$audio[$codec] = "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"$codec\",NAME=\"$name\",LANGUAGE=\"$language\",AUTOSELECT=YES,DEFAULT=YES,CHANNELS=\"$channels\",URI=\"$uri\"";
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} else {
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$bandwidth = 1250000; // @fixme
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$width = 854; // @fixme
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$height = 480; // @fixme
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$fps = 24.0; // @fixme
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$baseLine = "#EXT-X-STREAM-INF:BANDWIDTH=$bandwidth,RESOLUTION={$width}x{$height},FRAME-RATE={$fps}";
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if ( count( $audio ) > 1 ) {
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foreach ( array_keys( $audio ) as $audioCodec ) {
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$codecs = implode( ',', [
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$videoCodecs[$codec],
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$audioCodecs[$audioCodec],
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] );
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$video[] = "$baseLine,CODECS=\"$codecs\",AUDIO=\"$audioCodec\"";
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$video[] = $playlist;
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}
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} else {
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$codecs = $videoCodecs[$codec];
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$video[] = "$baseLine,CODECS=\"$codecs\"";
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$video[] = $playlist;
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}
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}
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}
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$header = [
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'#EXTM3U',
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];
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$lines = array_merge(
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$header,
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array_values( $audio ),
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$video
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);
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$m3u8 = implode( "\n", $lines );
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print "$m3u8\n";
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