Introduce --skip-unavailable-fragments

youtube_dl/__init__.py

@@ -318,6 +318,7 @@ def _real_main(argv=None):
         'nooverwrites': opts.nooverwrites,
         'retries': opts.retries,
         'fragment_retries': opts.fragment_retries,
+        'skip_unavailable_fragments': opts.skip_unavailable_fragments,
         'buffersize': opts.buffersize,
         'noresizebuffer': opts.noresizebuffer,
         'continuedl': opts.continue_dl,

youtube_dl/downloader/fragment.py

@@ -22,14 +22,20 @@ class FragmentFD(FileDownloader):
 
     Available options:
 
-    fragment_retries:   Number of times to retry a fragment for HTTP error (DASH only)
+    fragment_retries:   Number of times to retry a fragment for HTTP error (DASH
+                        and hlsnative only)
+    skip_unavailable_fragments:
+                        Skip unavailable fragments (DASH and hlsnative only)
     """
 
     def report_retry_fragment(self, fragment_name, count, retries):
         self.to_screen(
-            '[download] Got server HTTP error. Retrying fragment %s (attempt %d of %s)...'
+            '[download] Got server HTTP error: %s. Retrying fragment %s (attempt %d of %s)...'
             % (fragment_name, count, self.format_retries(retries)))
 
+    def report_skip_fragment(self, fragment_name):
+        self.to_screen('[download] Skipping fragment %s...' % fragment_name)
+
     def _prepare_and_start_frag_download(self, ctx):
         self._prepare_frag_download(ctx)
         self._start_frag_download(ctx)

youtube_dl/options.py

@@ -423,7 +423,15 @@ def parseOpts(overrideArguments=None):
     downloader.add_option(
         '--fragment-retries',
         dest='fragment_retries', metavar='RETRIES', default=10,
-        help='Number of retries for a fragment (default is %default), or "infinite" (DASH only)')
+        help='Number of retries for a fragment (default is %default), or "infinite" (DASH and hlsnative only)')
+    downloader.add_option(
+        '--skip-unavailable-fragments',
+        action='store_true', dest='skip_unavailable_fragments', default=True,
+        help='Skip unavailable fragments (DASH and hlsnative only)')
+    general.add_option(
+        '--abort-on-unavailable-fragment',
+        action='store_false', dest='skip_unavailable_fragments',
+        help='Abort downloading when some fragment is not available')
     downloader.add_option(
         '--buffer-size',
         dest='buffersize', metavar='SIZE', default='1024',