carestad · January 13, 2023 16:24 · carestad · Jul 25, 2019 · Diegus83 · Jul 25, 2019
diff --git a/README.md b/README.md
diff --git a/ttml2srt.php b/ttml2srt.php
 #!/usr/bin/php
 <?php
 /**
 * TTML (XML) to SRT subtitle converter.
 * Only tested with subs from Akamai player really, but hopefully works on other stuff as well.
 * Author: Alexander Karlstad
 */

 // TTML file to parse
 $in = $argv[1];

 $cont = file_get_contents($in);

 // Replace <br/>'s
 $cont = str_replace(['<br/>', '<br />'], "\n", $cont);
 $xml = simplexml_load_string($cont);

 $subs = $xml->body->div->p;
 $num = 1;

 foreach ($subs as $i => $sub) {
  $attrs = $sub->attributes();
  $begin = $attrs['begin'];
  $dur = $attrs['dur'];

  // Do we have spans within? Typically for adding bold/italic text.
  if ($sub->count() > 0) {
    $text = $sub->asXML();

    foreach ($sub->children() as $child) {
      $child_text = trim($child);
      $child_attrs = $child->attributes();
      $child_style = isset($child_attrs['style']) ? $child_attrs['style'] : '';
      $child_xml = $child->asXML();

      if ('italic' == $child_style) {
        $t = "<i>{$child_text}</i>\n";
      }
      else if ('bold' == $child_style) {
        $t = "<b>{$child_text}</b>\n";
      }
      else {
        $t = "{$child_text}\n";
      }

      $text = str_replace($child_xml, $t, $text);
    }

    // Only allow <b> and <i> for SRT compatibility. Don't mind <u>.
    $text = strip_tags($text, '<b><i>');
  }
  else {
    $text = (string) $sub;
  }

  $text = trim($text);

  // remove weird spacings that sometimes come after a newline
  // due to xml formatting and >1 newlines.
  $text = preg_replace([',\n+[ ]+,', ',\n+,'], "\n", $text);

  $timecode = calc_timecode($begin, $dur);

  // Output in Subrip format
  echo "${num}\n";
  echo "${timecode}\n";
  echo "${text}\n\n";

  $num++;
 }

 // Subrip time code handling. God damn.
 // Written for readability.
 // Input: $orig - string with original start time from TTML (HH:MM:SS.XXX)
 // Input: $add - string with original due time from TTML, which will be added onto $orig (HH:MM:SS.XXX)

 function calc_timecode($orig, $add) {
  // Split hours, minutes, seconds and ms
  $orig = preg_split('/[:.,]+/', $orig);
  $add = preg_split('/[:.,]+/', $add);

  // A variable for each unit, for readability
  $o_h = $orig[0];
  $o_m = $orig[1];
  $o_s = $orig[2];
  $o_ms = $orig[3];

  // A variable for each unit, for readability
  $a_h = $add[0];
  $a_m = $add[1];
  $a_s = $add[2];
  $a_ms = $add[3];

  // Combine them
  $r_h = $o_h + $a_h;
  $r_m = $o_m + $a_m;
  $r_s = $o_s + $a_s;
  $r_ms = $o_ms + $a_ms;

  // MS needs to be lt 1000, add to $r_s if gt 1000.
  if (1000 <= $r_ms) {
    $r_s += floor($r_ms/1000);
    $r_ms = $r_ms%1000;
  }
  // S needs to be lt 60, add to $r_m if gt 60.
  if (60 <= $r_s) {
    $r_m += floor($r_s/60);
    $r_s = $r_s%60;
  }
  // M needs to be lt 60, add to $r_h if gt 60.
  if (60 <= $r_m) {
    $r_h += floor($r_m/60);
    $r_m = $r_m%60;
  }

  $r_h = ($r_h < 10) ? "0" . $r_h : $r_h;
  $r_m = ($r_m < 10) ? "0" . $r_m : $r_m;
  $r_s = ($r_s < 10) ? "0" . $r_s : $r_s;
  $r_ms = (2 == strlen($r_ms)) ? "0" . $r_ms : ((1 == strlen($r_ms)) ? "00" . $r_ms : $r_ms);

  $o = "{$o_h}:{$o_m}:{$o_s},{$o_ms}";
  $r = "{$r_h}:{$r_m}:{$r_s},{$r_ms}";

  return "{$o} --> {$r}";
 }
	#!/usr/bin/php
	<?php
	/**
	* TTML (XML) to SRT subtitle converter.
	* Only tested with subs from Akamai player really, but hopefully works on other stuff as well.
	* Author: Alexander Karlstad
	*/

	// TTML file to parse
	$in = $argv[1];

	$cont = file_get_contents($in);

	// Replace <br/>'s
	$cont = str_replace(['<br/>', '<br />'], "\n", $cont);
	$xml = simplexml_load_string($cont);

	$subs = $xml->body->div->p;
	$num = 1;

	foreach ($subs as $i => $sub) {
	$attrs = $sub->attributes();
	$begin = $attrs['begin'];
	$dur = $attrs['dur'];

	// Do we have spans within? Typically for adding bold/italic text.
	if ($sub->count() > 0) {
	$text = $sub->asXML();

	foreach ($sub->children() as $child) {
	$child_text = trim($child);
	$child_attrs = $child->attributes();
	$child_style = isset($child_attrs['style']) ? $child_attrs['style'] : '';
	$child_xml = $child->asXML();

	if ('italic' == $child_style) {
	$t = "<i>{$child_text}</i>\n";
	}
	else if ('bold' == $child_style) {
	$t = "<b>{$child_text}</b>\n";
	}
	else {
	$t = "{$child_text}\n";
	}

	$text = str_replace($child_xml, $t, $text);
	}

	// Only allow <b> and <i> for SRT compatibility. Don't mind <u>.
	$text = strip_tags($text, '<b><i>');
	}
	else {
	$text = (string) $sub;
	}

	$text = trim($text);

	// remove weird spacings that sometimes come after a newline
	// due to xml formatting and >1 newlines.
	$text = preg_replace([',\n+[ ]+,', ',\n+,'], "\n", $text);

	$timecode = calc_timecode($begin, $dur);

	// Output in Subrip format
	echo "${num}\n";
	echo "${timecode}\n";
	echo "${text}\n\n";

	$num++;
	}

	// Subrip time code handling. God damn.
	// Written for readability.
	// Input: $orig - string with original start time from TTML (HH:MM:SS.XXX)
	// Input: $add - string with original due time from TTML, which will be added onto $orig (HH:MM:SS.XXX)

	function calc_timecode($orig, $add) {
	// Split hours, minutes, seconds and ms
	$orig = preg_split('/[:.,]+/', $orig);
	$add = preg_split('/[:.,]+/', $add);

	// A variable for each unit, for readability
	$o_h = $orig[0];
	$o_m = $orig[1];
	$o_s = $orig[2];
	$o_ms = $orig[3];

	// A variable for each unit, for readability
	$a_h = $add[0];
	$a_m = $add[1];
	$a_s = $add[2];
	$a_ms = $add[3];

	// Combine them
	$r_h = $o_h + $a_h;
	$r_m = $o_m + $a_m;
	$r_s = $o_s + $a_s;
	$r_ms = $o_ms + $a_ms;

	// MS needs to be lt 1000, add to $r_s if gt 1000.
	if (1000 <= $r_ms) {
	$r_s += floor($r_ms/1000);
	$r_ms = $r_ms%1000;
	}
	// S needs to be lt 60, add to $r_m if gt 60.
	if (60 <= $r_s) {
	$r_m += floor($r_s/60);
	$r_s = $r_s%60;
	}
	// M needs to be lt 60, add to $r_h if gt 60.
	if (60 <= $r_m) {
	$r_h += floor($r_m/60);
	$r_m = $r_m%60;
	}

	$r_h = ($r_h < 10) ? "0" . $r_h : $r_h;
	$r_m = ($r_m < 10) ? "0" . $r_m : $r_m;
	$r_s = ($r_s < 10) ? "0" . $r_s : $r_s;
	$r_ms = (2 == strlen($r_ms)) ? "0" . $r_ms : ((1 == strlen($r_ms)) ? "00" . $r_ms : $r_ms);

	$o = "{$o_h}:{$o_m}:{$o_s},{$o_ms}";
	$r = "{$r_h}:{$r_m}:{$r_s},{$r_ms}";

	return "{$o} --> {$r}";
	}