檔案格式視訊影像

1、9317003 簡韻 1檔案格式視訊影像9317003 資工4A 簡韻9317003 簡韻 2五種視訊影像格式 MPEG AVI RM WMV SWF9317003 簡韻 3Moving Pictures Experts Group (MPEG) *.mpeg,*.mpg,*.m1v, *.mp2,*.mpe,*.mpv2,*.m3u, *.mp4 MPEG-1 MPEG-2 MPEG-4 *.DAT9317003 簡韻 4MPEG-4的五個(gè)重要的部分1.系統(tǒng) (System) 2.視訊 (Natural Video) 3.音訊 (Natural Audio) 4.多媒體傳送整體框架 (The

2、 Deliveries Multimedia Integration Framework; DMIF)5.電腦合成資料 (Synthetic-Natural Hybrid Codin; SNHC) 9317003 簡韻 5Audio Video Interleave (AVI) *.avi RIFF(Resource Interchange File Format)中的特殊格式 Microsoft發(fā)表 將資料分成區(qū)塊9317003 簡韻 6AVI格式HeaderFrame #1(video)Frame #3(video)Frame #2(audio)Frame #4(audio).Frame

3、#n(audio)Index9317003 簡韻 7Real Media (RM) *.rm, *.rmvb Real Networks所制訂 Real Audio + Real Video 串流CBR (Constant BitRate) VBR (Variable BitRate) RMVB9317003 簡韻 8RM格式Header SectionIndex SectionData SectionFile HeaderProfile HeaderMedia Properties HeaderContent Description HeaderData Chunk HeaderData P

4、acket HeaderData Packet HeaderData Packet HeaderData Packet HeaderData Packet HeaderIndex Section HeaderIndex Record 9317003 簡韻 9Windows Media Video (WMV) *.wmv Windows Media Audio (WMA) + Advanced Systems Format (ASF) + High Definition Photo (HDP) MPEG-4 (Part 2) WMV7, WMV10 Microsoft發(fā)表9317003 簡韻 1

5、0WMV格式Header ObjectFile Properties ObjectStream Properties Object 1Stream Properties Object NData ObjectData Packet 1Data Packet MIndex Object 1Index Object KSimple Index Object 1Simple Index Object L9317003 簡韻 11Shockwave Flash Object (SWF) *.swf Flash Adobe (Macromedia)發(fā)表9317003 簡韻 12SWF格式FWS (Signature) VersionFile_SizeFrame_WidthFrame_HeightFrame_RateFram