Method and apparatus for media data delivery control

An apparatus in a receiving entity in a transmission system, the apparatus comprising:

• a receiver configured to receive, from a sending entity in the transmission system:
• at least one packet for media data, each of the at least one packet including a transmission timestamp,
• information on a fixed delay, and
• information on a buffer size requirement for delivering the at least one packet to an application layer of the receiving entity;
• and
• a controller configured to:
• identify the information on the fixed delay and the information on the buffer size requirement;
• and
• remove one or more packets among the at least one packet from a de-jitter buffer of the receiving entity at a sum of the transmission timestamp and the fixed delay,
• wherein the buffer size requirement is estimated based on:
• a difference between a minimum transmission delay and a maximum transmission delay, and
• a maximum bitrate related to the at least one packet, and
• wherein the fixed delay is calculated based on a sum of a forward error correcting (FEC) buffering delay and the maximum transmission delay, if FEC is applied to the at least one packet.