미디어 서비스

22233-630 5. Service Requirement 5.1 General 5.2 Media type * Audio(including speech) * Video *Still image * Graphics(2D and 3D) including animation * Text; Plain text, Formatted text(e.g. size, colour, font) * Synthetic audio(e.g. MIDI) * Meta data(e.g. indication that text has been supplied for the hard of hearing) 5.3 Multimedia Composition and Interaction 5.4 Transport 5.5 Service Personaliz..

3GPP TS 26.234 version 6.3.0 Release 6

- It shall be possible to charge separately for each type of medium used (e.g. voice, video, data) in a session and for each service used (e.g. voice call, streaming video, file download); - It shall be possible to charge for different levels of QoS applied for and/or allocated during a session for each type of medium or service used; - It shall be possible to charge each “leg” of a session sepa..

Introduction The security of MBMS provides different challenges compared to the security of services delivered over point-to-point services. In addition to the normal threat of eavesdropping, there is also the threat that it may not be assumed that valid subscribers have any interest in maintaining the privacy and confidentiality of the communications, and they may therefore conspire to circumve..

출처 : http://en.wikipedia.org/wiki/Multimedia_Broadcast_Multicast_Service Multimedia Broadcast Multicast Service From Wikipedia, the free encyclopedia Multimedia Broadcast Multicast Service (MBMS) is a broadcasting service that can be offered via existing GSM and UMTS cellular networks. The infrastructure offers an option to use an uplink channel for interaction between the service and the user, ..

http://www.3gpp.org/specs/numbering.htm 이 페이지에서 CODECs의 26series를 찾아서 보면 다음과 같은 페이지들을 찾을 수 있다. 1. 22233-630 : Transparent End-to-End Packet-switched Streaming Service; Stage 1 2. 26233-600 : End-to-End transparent streaming service; General Description 3. 26234-450 : Transparent End-to-End Packet-switched Streaming Service(PSS) ; Protocols and codecs 4. 26244-630 : Transparent End-to-End Packet-..

http://sunsson.iptime.org/tc

// avcodec_sample.0.4.9.cpp // A small sample program that shows how to use libavformat and libavcodec to // read video from a file. // // This version is for the 0.4.9-pre1 release of ffmpeg. This release adds the // av_read_frame() API call, which simplifies the reading of video frames // considerably. // // Use // // g++ -o avcodec_sample.0.4.9 avcodec_sample.0.4.9.cpp -lavformat -lavcodec \ ..

본인 개발 사이트 http://sunsson.iptime.org/projects/juliet/wiki/14496-12 에서 계속 업데이트 됩니다. ISO base media file format? 멀티미디어 서비스를 위해 사용되는 표준 파일포맷 ISO에서 제정 timed media informaion 을 포함 유연하면서도 확장가능한 기본 파일구조 여러 미디어 파일 포맷의 근간이 됨 JPEG2000 , 3gpp 파일 포맷이 이에 기반 MP4 파일 포맷도 ISO base media file format의 확장형태 용어 Box : unique한 type identifier와 length에 의해 정의되는 객체지향형 block (atom이라고 불리어 지기도 함) Chunk : 한 트랙내에서의 연속적인 샘플의 집합..