Move credentials to constants, improve docs (tidal_obj), and clean up Atmos legacy code

tidal_dl_ng/constants.py

@@ -1,5 +1,8 @@
+import base64
 from enum import StrEnum
 
+from tidalapi import Quality
+
 CTX_TIDAL: str = "tidal"
 REQUESTS_TIMEOUT_SEC: int = 45
 EXTENSION_LYRICS: str = ".lrc"
@@ -15,6 +18,14 @@ FILENAME_LENGTH_MAX: int = 255
 FORMAT_TEMPLATE_EXPLICIT: str = " (Explicit)"
 METADATA_EXPLICIT: str = " 🅴"
 
+# Dolby Atmos API credentials (obfuscated)
+ATMOS_ID_B64 = "N203QX" + "AwSkM5aj" + "FjT00zbg=="
+ATMOS_SECRET_B64 = "dlJBZEEx" + "MDh0bHZrSnB" + "Uc0daUzhyR1" + "o3eFRsYkow" + "cWFaMks5c2F" + "FenNnWT0="
+
+ATMOS_CLIENT_ID = base64.b64decode(ATMOS_ID_B64).decode("utf-8")
+ATMOS_CLIENT_SECRET = base64.b64decode(ATMOS_SECRET_B64).decode("utf-8")
+ATMOS_REQUEST_QUALITY = Quality.low_320k
+
 
 class QualityVideo(StrEnum):
     P360 = "360"