direct play - direct steam channel plugin ?

i build plugin from web , i check file it mp4 but plex play it is transcode (H.264 to H.264 , AAC TO AAC)

THIS IS CODE :

def MetadataObjectForURL(url):
page = HTML.ElementFromURL(url)

title = page.xpath("//head//meta[@property='og:title']")[0].get('content')
description = page.xpath("//head//meta[@name='description']")[0].get('content')
thumb = page.xpath("//head//meta[@property='og:image']")[0].get('content')

return MovieObject(title=title, summary=description, thumb=thumb)

def MediaObjectsForURL(url):
results =
url = url.replace(‘http://www.banhtv.com’, ‘http://banhtv.com’)
Log(url)
object = JSON.ObjectFromURL(‘http://player.trunguit.net/get?url=’ + url)
data = object.get(‘data’)
Log(‘hahaha’)
Log(data)
if (data is not None):
for d in data:
sources = d.get(‘sources’)
if sources is not None:
for source in sources:
container = source[‘type’].split("/")[-1]
if (source[‘label’] not in [“720p”, “360p”, “1080p”, “240p”, “1440p”]):
source[‘label’] = “240p”
source[‘label’] = source[‘label’].replace(“p”, “”)
Log(“SourceSource”)
Log(source)
results.append(
MediaObject(
video_codec=VideoCodec.H264,
audio_codec=AudioCodec.AAC,
container=container,
video_resolution=source[‘label’],
parts=[PartObject(
key=Callback(PlayVideo, url=source[‘file’])
)]
)
)
return results

def PlayVideo(url):
return Redirect(url)

HOW CAN I DIRECT STEAN ?