[utils] Add parse_resolution

[youtube-dl] / youtube_dl / utils.py

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index af639a124a2a2edecfbcef93e6d0ec1d2eac3be6..a21455f707e5cb9dc51c1f5611963c5f58fc3863 100644 (file)
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1689,6 +1689,28 @@ def parse_count(s):
     return lookup_unit_table(_UNIT_TABLE, s)
 
 
+def parse_resolution(s):
+    if s is None:
+        return {}
+
+    mobj = re.search(r'\b(?P<w>\d+)\s*[xX×]\s*(?P<h>\d+)\b', s)
+    if mobj:
+        return {
+            'width': int(mobj.group('w')),
+            'height': int(mobj.group('h')),
+        }
+
+    mobj = re.search(r'\b(\d+)[pPiI]\b', s)
+    if mobj:
+        return {'height': int(mobj.group(1))}
+
+    mobj = re.search(r'\b([48])[kK]\b', s)
+    if mobj:
+        return {'height': int(mobj.group(1)) * 540}
+
+    return {}
+
+
 def month_by_name(name, lang='en'):
     """ Return the number of a month by (locale-independently) English name """