hls-test/meta-playlist.php
2023-03-30 11:46:39 -07:00

92 lines
2.6 KiB
PHP

<?php
$argv = $_SERVER['argv'];
$self = array_shift( $argv );
if ( ( $argv[0] ?? '' ) === '--lie') {
array_shift( $argv );
$lie = 'avc1.42e00a';
} elseif ( preg_match( '/^--lie=(.*)$/', $argv[0] ?? '', $matches ) ) {
array_shift( $argv );
$lie = $matches[1];
} else {
$lie = false;
}
$base = array_shift( $argv ); // "fmp4"
$audio = [];
$video = [];
$audioCodecs = [
'mpeg' => 'mp4a.6b', // works but, technically this is for .fmp4 and we're in mp3 raw
//'mpeg' => 'mp3', // doesn't seem to work
'aac' => 'mp4a.40.2',
'opus' => 'opus',
];
// @fixme use correct settings based on the file
$videoCodecs = [
'vp9' => 'vp09.00.41.08',
'h264' => 'avc1.42e00a',
// truths
'mjpeg' => 'jpeg', // works on current mac & iOS 16, but not iOS 10
'h263' => 's263', // fail? or should it be s263?
'mpeg4' => 'mp4v.20.9', // fail?
// none of them seem to work on iOS 12!
];
if ( $lie ) {
// These lies work on iOS 10 and iOS 16 too
$videoCodecs['mjpeg'] = $lie;
$videoCodecs['h263' ] = $lie;
$videoCodecs['mpeg4'] = $lie;
}
while ( count( $argv ) > 0 ) {
$track = array_shift( $argv );
[ $res, $codec, $ext ] = explode( '.', $track, 3 );
$filename = "$base.$res.$codec.$ext";
$playlist = "$filename.m3u8";
if ( $res === 'audio' ) {
$name = 'English'; // @fixme use correct unknown marker
$language = 'en-US'; // @fixme
$channels = 2; // @fixme
$uri = urlencode( $playlist );
$audio[$codec] = "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"$codec\",NAME=\"$name\",LANGUAGE=\"$language\",AUTOSELECT=YES,DEFAULT=YES,CHANNELS=\"$channels\",URI=\"$uri\"";
} else {
$bandwidth = 1250000; // @fixme
$width = 854; // @fixme
$height = 480; // @fixme
$fps = 24.0; // @fixme
$baseLine = "#EXT-X-STREAM-INF:BANDWIDTH=$bandwidth,RESOLUTION={$width}x{$height},FRAME-RATE={$fps}";
if ( count( $audio ) >= 1 ) {
foreach ( array_keys( $audio ) as $audioCodec ) {
$codecs = implode( ',', [
$videoCodecs[$codec],
$audioCodecs[$audioCodec],
] );
$video[] = "$baseLine,CODECS=\"$codecs\",AUDIO=\"$audioCodec\"";
$video[] = $playlist;
}
} else {
$codecs = $videoCodecs[$codec];
$video[] = "$baseLine,CODECS=\"$codecs\"";
$video[] = $playlist;
}
}
}
$header = [
'#EXTM3U',
];
$lines = array_merge(
$header,
array_values( $audio ),
$video
);
$m3u8 = implode( "\n", $lines );
print "$m3u8\n";