78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
import math
|
|
import os
|
|
from urllib.parse import quote
|
|
from Utils import calcDownloadPath
|
|
from .ffprobe import FFProbe
|
|
|
|
|
|
class M3u8:
|
|
ok_vcodecs: tuple = ('h264', 'x264', 'avc',)
|
|
ok_acodecs: tuple = ('aac', 'mp3',)
|
|
|
|
segment_duration: float = 10.000000
|
|
url: str = None
|
|
|
|
def __init__(self, url: str, segment_duration: float = 6.000000):
|
|
self.url = url
|
|
self.segment_duration = float(segment_duration)
|
|
|
|
def make_stream(self, download_path: str, file: str):
|
|
realFile: str = calcDownloadPath(basePath=download_path, folder=file, createPath=False)
|
|
|
|
if not os.path.exists(realFile):
|
|
raise Exception(f"File {realFile} does not exist.")
|
|
|
|
try:
|
|
ffprobe = FFProbe(realFile)
|
|
except UnicodeDecodeError as e:
|
|
pass
|
|
|
|
if not 'duration' in ffprobe.metadata:
|
|
raise Exception(f"Unable to get {realFile} duration.")
|
|
|
|
duration: float = float(ffprobe.metadata.get('duration'))
|
|
|
|
m3u8 = "#EXTM3U\n"
|
|
m3u8 += "#EXT-X-VERSION:3\n"
|
|
m3u8 += f"#EXT-X-TARGETDURATION:{int(self.segment_duration)}\n"
|
|
m3u8 += "#EXT-X-MEDIA-SEQUENCE:0\n"
|
|
m3u8 += "#EXT-X-PLAYLIST-TYPE:VOD\n"
|
|
|
|
segmentSize: float = '{:.6f}'.format(self.segment_duration)
|
|
splits: int = math.ceil(duration / self.segment_duration)
|
|
|
|
segmentParams: dict = {}
|
|
|
|
for stream in ffprobe.streams:
|
|
if stream.is_video():
|
|
if stream.codec_name not in self.ok_vcodecs:
|
|
segmentParams['vc'] = 1
|
|
if stream.is_audio():
|
|
if stream.codec_name not in self.ok_acodecs:
|
|
segmentParams['ac'] = 1
|
|
|
|
for i in range(splits):
|
|
if (i + 1) == splits:
|
|
segmentParams.update({'sd': '{:.6f}'.format(duration - (i * self.segment_duration))})
|
|
m3u8 += f"#EXTINF:{segmentParams['sd']}, nodesc\n"
|
|
else:
|
|
m3u8 += f"#EXTINF:{segmentSize}, nodesc\n"
|
|
|
|
m3u8 += f"{self.url}segments/{i}/{quote(file)}"
|
|
if len(segmentParams) > 0:
|
|
m3u8 += '?'+'&'.join([f"{key}={value}" for key, value in segmentParams.items()])
|
|
m3u8 += "\n"
|
|
|
|
m3u8 += "#EXT-X-ENDLIST\n"
|
|
|
|
return m3u8
|
|
|
|
def parseDuration(self, duration: str):
|
|
if duration.find(':') > -1:
|
|
duration = duration.split(':')
|
|
duration.reverse()
|
|
duration = sum([float(duration[i]) * (60 ** i) for i in range(len(duration))])
|
|
else:
|
|
duration = float(duration)
|
|
|
|
return duration
|