Merge branch 'ceskatelevizesrt' of https://github.com/oskar456/youtube-dl into oskar4...

[youtube-dl] / youtube_dl / downloader / hls.py

diff --git a/youtube_dl/downloader/hls.py b/youtube_dl/downloader/hls.py
index 8040bdf08d705f8de09434418ebbfb6fa7089941..aa58b52abb5998ba8879e6eba3a1d974484467e2 100644 (file)
--- a/youtube_dl/downloader/hls.py
+++ b/youtube_dl/downloader/hls.py
@@ -4,10 +4,13 @@ import os
 import re
 import subprocess
 
+from ..postprocessor.ffmpeg import FFmpegPostProcessor
 from .common import FileDownloader
-from ..utils import (
+from ..compat import (
     compat_urlparse,
-    check_executable,
+    compat_urllib_request,
+)
+from ..utils import (
     encodeFilename,
 )
 
@@ -23,18 +26,18 @@ class HlsFD(FileDownloader):
             '-bsf:a', 'aac_adtstoasc',
             encodeFilename(tmpfilename, for_subprocess=True)]
 
-        for program in ['avconv', 'ffmpeg']:
-            if check_executable(program, ['-version']):
-                break
-        else:
-            self.report_error(u'm3u8 download detected but ffmpeg or avconv could not be found. Please install one.')
+        ffpp = FFmpegPostProcessor(downloader=self)
+        program = ffpp._executable
+        if program is None:
+            self.report_error('m3u8 download detected but ffmpeg or avconv could not be found. Please install one.')
             return False
+        ffpp.check_version()
         cmd = [program] + args
 
         retval = subprocess.call(cmd)
         if retval == 0:
             fsize = os.path.getsize(encodeFilename(tmpfilename))
-            self.to_screen(u'\r[%s] %s bytes' % (cmd[0], fsize))
+            self.to_screen('\r[%s] %s bytes' % (cmd[0], fsize))
             self.try_rename(tmpfilename, filename)
             self._hook_progress({
                 'downloaded_bytes': fsize,
@@ -44,8 +47,8 @@ class HlsFD(FileDownloader):
             })
             return True
         else:
-            self.to_stderr(u"\n")
-            self.report_error(u'%s exited with code %d' % (program, retval))
+            self.to_stderr('\n')
+            self.report_error('%s exited with code %d' % (program, retval))
             return False
 
 
@@ -71,15 +74,26 @@ class NativeHlsFD(FileDownloader):
                     else compat_urlparse.urljoin(url, line))
                 segment_urls.append(segment_url)
 
+        is_test = self.params.get('test', False)
+        remaining_bytes = self._TEST_FILE_SIZE if is_test else None
         byte_counter = 0
         with open(tmpfilename, 'wb') as outf:
             for i, segurl in enumerate(segment_urls):
-                segment = self.ydl.urlopen(segurl).read()
-                outf.write(segment)
-                byte_counter += len(segment)
                 self.to_screen(
                     '[hlsnative] %s: Downloading segment %d / %d' %
                     (info_dict['id'], i + 1, len(segment_urls)))
+                seg_req = compat_urllib_request.Request(segurl)
+                if remaining_bytes is not None:
+                    seg_req.add_header('Range', 'bytes=0-%d' % (remaining_bytes - 1))
+
+                segment = self.ydl.urlopen(seg_req).read()
+                if remaining_bytes is not None:
+                    segment = segment[:remaining_bytes]
+                    remaining_bytes -= len(segment)
+                outf.write(segment)
+                byte_counter += len(segment)
+                if remaining_bytes is not None and remaining_bytes <= 0:
+                    break
 
         self._hook_progress({
             'downloaded_bytes': byte_counter,
@@ -89,4 +103,3 @@ class NativeHlsFD(FileDownloader):
         })
         self.try_rename(tmpfilename, filename)
         return True
-