[utils] Support additional codecs and dynamic_range

test/test_utils.py

@@ -902,6 +902,30 @@ class TestUtil(unittest.TestCase):
             'vcodec': 'av01.0.05M.08',
             'acodec': 'none',
         })
+        self.assertEqual(parse_codecs('vp9.2'), {
+            'vcodec': 'vp9.2',
+            'acodec': 'none',
+            'dynamic_range': 'HDR10',
+        })
+        self.assertEqual(parse_codecs('vp09.02.50.10.01.09.18.09.00'), {
+            'vcodec': 'vp09.02.50.10.01.09.18.09.00',
+            'acodec': 'none',
+            'dynamic_range': 'HDR10',
+        })
+        self.assertEqual(parse_codecs('av01.0.12M.10.0.110.09.16.09.0'), {
+            'vcodec': 'av01.0.12M.10.0.110.09.16.09.0',
+            'acodec': 'none',
+            'dynamic_range': 'HDR10',
+        })
+        self.assertEqual(parse_codecs('dvhe'), {
+            'vcodec': 'dvhe',
+            'acodec': 'none',
+            'dynamic_range': 'DV',
+        })
+        self.assertEqual(parse_codecs('fLaC'), {
+            'vcodec': 'none',
+            'acodec': 'flac',
+        })
         self.assertEqual(parse_codecs('theora, vorbis'), {
             'vcodec': 'theora',
             'acodec': 'vorbis',

youtube_dl/utils.py

@@ -4744,30 +4744,45 @@ def parse_codecs(codecs_str):
     if not codecs_str:
         return {}
     split_codecs = list(filter(None, map(
-        lambda str: str.strip(), codecs_str.strip().strip(',').split(','))))
-    vcodec, acodec = None, None
+        lambda s: s.strip(), codecs_str.strip().split(','))))
+    vcodec, acodec, hdr = None, None, None
     for full_codec in split_codecs:
-        codec = full_codec.split('.')[0]
-        if codec in ('avc1', 'avc2', 'avc3', 'avc4', 'vp9', 'vp8', 'hev1', 'hev2', 'h263', 'h264', 'mp4v', 'hvc1', 'av01', 'theora'):
-            if not vcodec:
-                vcodec = full_codec
-        elif codec in ('mp4a', 'opus', 'vorbis', 'mp3', 'aac', 'ac-3', 'ec-3', 'eac3', 'dtsc', 'dtse', 'dtsh', 'dtsl'):
+        codec, rest = full_codec.partition('.')[::2]
+        codec = codec.lower()
+        full_codec = '.'.join((codec, rest)) if rest else codec
+        codec = re.sub(r'0+(?=\d)', '', codec)
+        if codec in ('avc1', 'avc2', 'avc3', 'avc4', 'vp9', 'vp8', 'hev1', 'hev2',
+                     'h263', 'h264', 'mp4v', 'hvc1', 'av1', 'theora', 'dvh1', 'dvhe'):
+            if vcodec:
+                continue
+            vcodec = full_codec
+            if codec in ('dvh1', 'dvhe'):
+                hdr = 'DV'
+            elif codec in ('av1', 'vp9'):
+                n, m = {
+                    'av1': (2, '10'),
+                    'vp9': (0, '2'),
+                }[codec]
+                if (rest.split('.', n + 1)[n:] or [''])[0].lstrip('0') == m:
+                    hdr = 'HDR10'
+        elif codec in ('flac', 'mp4a', 'opus', 'vorbis', 'mp3', 'aac', 'ac-4',
+                       'ac-3', 'ec-3', 'eac3', 'dtsc', 'dtse', 'dtsh', 'dtsl'):
             if not acodec:
                 acodec = full_codec
         else:
-            write_string('WARNING: Unknown codec %s\n' % full_codec, sys.stderr)
-    if not vcodec and not acodec:
-        if len(split_codecs) == 2:
-            return {
-                'vcodec': split_codecs[0],
-                'acodec': split_codecs[1],
-            }
-    else:
-        return {
+            write_string('WARNING: Unknown codec %s\n' % (full_codec,), sys.stderr)
+
+    return (
+        filter_dict({
             'vcodec': vcodec or 'none',
             'acodec': acodec or 'none',
-        }
-    return {}
+            'dynamic_range': hdr,
+        }) if vcodec or acodec
+        else {
+            'vcodec': split_codecs[0],
+            'acodec': split_codecs[1],
+        } if len(split_codecs) == 2
+        else {})
 
 
 def urlhandle_detect_ext(url_handle):