just change rtmpte to rtmp
like this :
HTML Code:
rtmp://rtmp.alphorm.com/cfx/st/mp4:FR_291/FR_291_03_01.mp4?Expires=1458094924&Signature=mBOM-ywFXZxSMvfz-vEywgQcMq4BXFgKUVBMI3h0ddb9xkQSOZYFOB4JN81IySETUuu 6H1cx3D62sUM77GVo0RQGHGpMsPDzCnTzWlyk8mgS3qMiX-NPQRMRKGc1JpxqOBOCXjoj8cLr6fyWepw9LQn0-y6fk7pGuhbkG-OUzLU_&Key-Pair-Id=APKAJF2PMCJPGKXG2GEA
and you try with "IDM"