/**
* 合并M3U8
*/
public function merge($content)
{
$firstMaxDuration = $this->parseSegmentMaxDuration();
$firstSegmengBodyStartPos = $this->getSegmentBodyStartPos();
$firstPart1 = trim(substr($this->content, 0, $firstSegmengBodyStartPos));
$firstPart2 = trim(substr($this->content, $firstSegmengBodyStartPos));
$modifier = new self($content);
$secondMaxDuration = $modifier->parseSegmentMaxDuration();
$secondBody = $modifier->cutSegmentBody();
return $this->content = $firstPart1 . "\n" . $secondBody . "\n#EXT-X-DISCONTINUITY\n" . $firstPart2;
}
