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Brooke Vibber 2023-03-02 14:23:42 -08:00
parent 6669b63bd2
commit 2b670f30fd
1 changed files with 53 additions and 0 deletions
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53
extract-playlist.php
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@ -398,12 +398,62 @@ function extractFragmentedMP4( $filename ) {
return $segments; return $segments;
} }
function playlist( $filename, $segments ) {
/*
#EXTM3U
#EXT-X-VERSION:7
#EXT-X-TARGETDURATION:10
#EXT-X-MEDIA-SEQUENCE:0
#EXT-X-PLAYLIST-TYPE:VOD
#EXT-X-MAP:URI="new-vp9.mp4",BYTERANGE="811@0"
#EXTINF:10.000000,
#EXT-X-BYTERANGE:1058384@811
new-vp9.mp4
#EXTINF:10.000000,
#EXT-X-BYTERANGE:1085979@1059195
new-vp9.mp4
#EXTINF:10.000000,
#EXT-X-BYTERANGE:1268619@2145174
new-vp9.mp4
#EXTINF:10.000000,
#EXT-X-BYTERANGE:1418664@3413793
new-vp9.mp4
#EXTINF:10.000000,
#EXT-X-BYTERANGE:1129265@4832457
new-vp9.mp4
...
#EXT-X-ENDLIST
*/
$lines = [];
$lines[] = "#EXTM3U";
$lines[] = "#EXT-X-TARGETDURATION:10";
$lines[] = "#EXT-MEDIA-SEQUENCE:0";
$lines[] = "#EXT-PLAYLIST-TYPE:VOD";
$init = $segments['init'] ?? false;
if ( $init ) {
$lines[] = "#EXT-X-MAP:URI=\"$filename\",BYTERANGE=\"{$init['size']}@{$init['start']}\"";
$lines[] = $filename;
}
$n = count( $segments ) - 1;
for ( $i = 0; $i < $n; $i++ ) {
$segment = $segments[$i];
$lines[] = "#EXTINF:{$segment['duration']}";
$lines[] = "#EXT-X-BYTERANGE:{$segment['size']}@{$segment['start']}";
$lines[] = $filename;
}
return implode( "\n", $lines );
}
$argv = $_SERVER['argv']; $argv = $_SERVER['argv'];
$self = array_shift( $argv ); $self = array_shift( $argv );
$filename = array_shift( $argv ); $filename = array_shift( $argv );
$segments = extractFragmentedMP4( $filename ); $segments = extractFragmentedMP4( $filename );
//var_dump( $segments ); //var_dump( $segments );
/*
foreach ( $segments as $key => $segment ) { foreach ( $segments as $key => $segment ) {
if ( $key === 'init' ) { if ( $key === 'init' ) {
print "$key {$segment['start']},{$segment['size']}\n"; print "$key {$segment['start']},{$segment['size']}\n";
@ -411,3 +461,6 @@ foreach ( $segments as $key => $segment ) {
print "$key {$segment['timestamp']},{$segment['duration']} @ {$segment['start']},{$segment['size']}\n"; print "$key {$segment['timestamp']},{$segment['duration']} @ {$segment['start']},{$segment['size']}\n";
} }
} }
*/
$m3u8 = playlist( urlencode( $filename ), $segments );
print $m3u8 . "\n";