106 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from __future__ import unicode_literals
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| 
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| import os
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| import re
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| import subprocess
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| 
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| from ..postprocessor.ffmpeg import FFmpegPostProcessor
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| from .common import FileDownloader
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| from ..compat import (
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|     compat_urlparse,
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|     compat_urllib_request,
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| )
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| from ..utils import (
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|     encodeArgument,
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|     encodeFilename,
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| )
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| 
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| 
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| class HlsFD(FileDownloader):
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|     def real_download(self, filename, info_dict):
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|         url = info_dict['url']
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|         self.report_destination(filename)
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|         tmpfilename = self.temp_name(filename)
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| 
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|         ffpp = FFmpegPostProcessor(downloader=self)
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|         program = ffpp._executable
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|         if program is None:
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|             self.report_error('m3u8 download detected but ffmpeg or avconv could not be found. Please install one.')
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|             return False
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|         ffpp.check_version()
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| 
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|         args = [
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|             encodeArgument(opt)
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|             for opt in (program, '-y', '-i', url, '-f', 'mp4', '-c', 'copy', '-bsf:a', 'aac_adtstoasc')]
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|         args.append(encodeFilename(tmpfilename, True))
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| 
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|         retval = subprocess.call(args)
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|         if retval == 0:
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|             fsize = os.path.getsize(encodeFilename(tmpfilename))
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|             self.to_screen('\r[%s] %s bytes' % (args[0], fsize))
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|             self.try_rename(tmpfilename, filename)
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|             self._hook_progress({
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|                 'downloaded_bytes': fsize,
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|                 'total_bytes': fsize,
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|                 'filename': filename,
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|                 'status': 'finished',
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|             })
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|             return True
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|         else:
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|             self.to_stderr('\n')
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|             self.report_error('%s exited with code %d' % (program, retval))
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|             return False
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| 
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| 
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| class NativeHlsFD(FileDownloader):
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|     """ A more limited implementation that does not require ffmpeg """
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| 
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|     def real_download(self, filename, info_dict):
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|         url = info_dict['url']
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|         self.report_destination(filename)
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|         tmpfilename = self.temp_name(filename)
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| 
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|         self.to_screen(
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|             '[hlsnative] %s: Downloading m3u8 manifest' % info_dict['id'])
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|         data = self.ydl.urlopen(url).read()
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|         s = data.decode('utf-8', 'ignore')
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|         segment_urls = []
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|         for line in s.splitlines():
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|             line = line.strip()
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|             if line and not line.startswith('#'):
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|                 segment_url = (
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|                     line
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|                     if re.match(r'^https?://', line)
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|                     else compat_urlparse.urljoin(url, line))
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|                 segment_urls.append(segment_url)
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| 
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|         is_test = self.params.get('test', False)
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|         remaining_bytes = self._TEST_FILE_SIZE if is_test else None
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|         byte_counter = 0
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|         with open(tmpfilename, 'wb') as outf:
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|             for i, segurl in enumerate(segment_urls):
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|                 self.to_screen(
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|                     '[hlsnative] %s: Downloading segment %d / %d' %
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|                     (info_dict['id'], i + 1, len(segment_urls)))
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|                 seg_req = compat_urllib_request.Request(segurl)
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|                 if remaining_bytes is not None:
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|                     seg_req.add_header('Range', 'bytes=0-%d' % (remaining_bytes - 1))
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| 
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|                 segment = self.ydl.urlopen(seg_req).read()
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|                 if remaining_bytes is not None:
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|                     segment = segment[:remaining_bytes]
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|                     remaining_bytes -= len(segment)
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|                 outf.write(segment)
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|                 byte_counter += len(segment)
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|                 if remaining_bytes is not None and remaining_bytes <= 0:
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|                     break
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| 
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|         self._hook_progress({
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|             'downloaded_bytes': byte_counter,
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|             'total_bytes': byte_counter,
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|             'filename': filename,
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|             'status': 'finished',
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|         })
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|         self.try_rename(tmpfilename, filename)
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|         return True
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