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-rwxr-xr-xyoutube_dl/YoutubeDL.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index d1953c18f..21d247f23 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -1047,6 +1047,8 @@ class YoutubeDL(object):
if not formats:
raise ExtractorError('No video formats found!')
+ formats_dict = {}
+
# We check that all the formats have the format and format_id fields
for i, format in enumerate(formats):
if 'url' not in format:
@@ -1054,6 +1056,18 @@ class YoutubeDL(object):
if format.get('format_id') is None:
format['format_id'] = compat_str(i)
+ format_id = format['format_id']
+ if format_id not in formats_dict:
+ formats_dict[format_id] = []
+ formats_dict[format_id].append(format)
+
+ # Make sure all formats have unique format_id
+ for format_id, ambiguous_formats in formats_dict.items():
+ if len(ambiguous_formats) > 1:
+ for i, format in enumerate(ambiguous_formats):
+ format['format_id'] = '%s-%d' % (format_id, i)
+
+ for i, format in enumerate(formats):
if format.get('format') is None:
format['format'] = '{id} - {res}{note}'.format(
id=format['format_id'],