Add fixup for media files produced by HlsNative downloader(fixes #4776)

youtube_dl/YoutubeDL.py

@@ -87,6 +87,7 @@
 from .downloader import get_suitable_downloader
 from .downloader.rtmp import rtmpdump_version
 from .postprocessor import (
+    FFmpegFixupM3u8PP,
     FFmpegFixupM4aPP,
     FFmpegFixupStretchedPP,
     FFmpegMergerPP,
@@ -1670,6 +1671,22 @@ def compatible_formats(formats):
                     else:
                         assert fixup_policy in ('ignore', 'never')
 
+                if info_dict.get('protocol') == 'm3u8_native' or info_dict.get('protocol') == 'm3u8' and self._downloader.params.get('hls_prefer_native', False):
+                    if fixup_policy == 'warn':
+                        self.report_warning('%s: malformated aac bitstream.' % (
+                            info_dict['id']))
+                    elif fixup_policy == 'detect_or_warn':
+                        fixup_pp = FFmpegFixupM3u8PP(self)
+                        if fixup_pp.available:
+                            info_dict.setdefault('__postprocessors', [])
+                            info_dict['__postprocessors'].append(fixup_pp)
+                        else:
+                            self.report_warning(
+                                '%s: malformated aac bitstream. Install ffmpeg or avconv to fix this automatically.' % (
+                                    info_dict['id']))
+                    else:
+                        assert fixup_policy in ('ignore', 'never')
+
                 try:
                     self.post_process(filename, info_dict)
                 except (PostProcessingError) as err:

youtube_dl/postprocessor/__init__.py

@@ -6,6 +6,7 @@
     FFmpegEmbedSubtitlePP,
     FFmpegExtractAudioPP,
     FFmpegFixupStretchedPP,
+    FFmpegFixupM3u8PP,
     FFmpegFixupM4aPP,
     FFmpegMergerPP,
     FFmpegMetadataPP,
@@ -26,6 +27,7 @@ def get_postprocessor(key):
     'ExecAfterDownloadPP',
     'FFmpegEmbedSubtitlePP',
     'FFmpegExtractAudioPP',
+    'FFmpegFixupM3u8PP',
     'FFmpegFixupM4aPP',
     'FFmpegFixupStretchedPP',
     'FFmpegMergerPP',

youtube_dl/postprocessor/ffmpeg.py

@@ -391,10 +391,6 @@ def run(self, info):
         for (name, value) in metadata.items():
             options.extend(['-metadata', '%s=%s' % (name, value)])
 
-        # https://github.com/rg3/youtube-dl/issues/8350
-        if info.get('protocol') == 'm3u8_native' or info.get('protocol') == 'm3u8' and self._downloader.params.get('hls_prefer_native', False):
-            options.extend(['-bsf:a', 'aac_adtstoasc'])
-
         self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename)
         self.run_ffmpeg(filename, temp_filename, options)
         os.remove(encodeFilename(filename))
@@ -467,6 +463,21 @@ def run(self, info):
         return [], info
 
 
+class FFmpegFixupM3u8PP(FFmpegPostProcessor):
+    def run(self, info):
+        filename = info['filepath']
+        temp_filename = prepend_extension(filename, 'temp')
+
+        options = ['-c', 'copy', '-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
+        self._downloader.to_screen('[ffmpeg] Fixing malformated aac bitstream in "%s"' % filename)
+        self.run_ffmpeg(filename, temp_filename, options)
+
+        os.remove(encodeFilename(filename))
+        os.rename(encodeFilename(temp_filename), encodeFilename(filename))
+
+        return [], info
+
+
 class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
     def __init__(self, downloader=None, format=None):
         super(FFmpegSubtitlesConvertorPP, self).__init__(downloader)