[ie/LBRY] Fix original format extraction (#7711)

Authored by: bashonly

yt_dlp/extractor/lbry.py

@@ -1,5 +1,6 @@
 import functools
 import json
+import re
 import urllib.parse
 
 from .common import InfoExtractor
@@ -83,7 +84,7 @@ class LBRYIE(LBRYBaseIE):
     _TESTS = [{
         # Video
         'url': 'https://lbry.tv/@Mantega:1/First-day-LBRY:1',
-        'md5': 'fffd15d76062e9a985c22c7c7f2f4805',
+        'md5': '65bd7ec1f6744ada55da8e4c48a2edf9',
         'info_dict': {
             'id': '17f983b61f53091fb8ea58a9c56804e4ff8cff4d',
             'ext': 'mp4',
@@ -132,9 +133,8 @@ class LBRYIE(LBRYBaseIE):
             'license': 'None',
         }
     }, {
-        # HLS
         'url': 'https://odysee.com/@gardeningincanada:b/plants-i-will-never-grow-again.-the:e',
-        'md5': '25049011f3c8bc2f8b60ad88a031837e',
+        'md5': 'c35fac796f62a14274b4dc2addb5d0ba',
         'info_dict': {
             'id': 'e51671357333fe22ae88aad320bde2f6f96b1410',
             'ext': 'mp4',
@@ -246,12 +246,13 @@ class LBRYIE(LBRYBaseIE):
             streaming_url = self._call_api_proxy(
                 'get', claim_id, {'uri': uri}, 'streaming url')['streaming_url']
 
-            # GET request returns original video/audio file if available
+            # GET request to v3 API returns original video/audio file if available
+            direct_url = re.sub(r'/api/v\d+/', '/api/v3/', streaming_url)
             ext = urlhandle_detect_ext(self._request_webpage(
-                streaming_url, display_id, 'Checking for original quality', headers=headers))
+                direct_url, display_id, 'Checking for original quality', headers=headers))
             if ext != 'm3u8':
                 formats.append({
-                    'url': streaming_url,
+                    'url': direct_url,
                     'format_id': 'original',
                     'quality': 1,
                     **traverse_obj(result, ('value', {