1202The downloaded manifest is invalid.
This error is fired when the downloaded manifest is not valid or could not be parsed. Different stream types might fail because of different validation issues in the manifest.
For DASH, some of common issues are:
Period tag or the Period tag is emptySegmentTemplate, SegmentTimeline,
SegmentList and SegmentBaseFor HLS, some of common issues are:
One common failure reason is that an incorrect key was specified in the SourceConfig. For example,
specifying an hls source in the source config, but inserting a URL to a DASH manifest instead, would cause this
error to be thrown.
Please check for the above issues in the manifest and also consider validating the manifest with a validation tool.
mediastreamvalidator for HLS streams