I stream blu ray movies from my PC to my PS3. One of the patches for the PS3 ruined .mp4 streaming and causes massive stuttering so im stuck encoding my movies to .vob just to get them to play right now. Ive gotten most of them encoded but a few of them are giving me keyframe errors with AVI demux. Its saying the beginning frame is not a key frame when im using move to next key frame and cutting out the frames before. So i know its a keyframe but it wont work. General ID : 1 Complete name : F:\Downloads\ Format : BDAV Format/Info : BluRay Video File size : 10.5 GiB Duration : 2h 23mn Overall bit rate : 10.5 Mbps Maximum Overall bit rate : 35.5 Mbps Video ID : 4113 (0x1011) Menu ID : 1 (0x1) Format : AVC Format/Info : Advanced Video Codec Format profile : Main@L4.1 Format settings, CABAC : Yes Format settings, ReFrames : 3 frames Duration : 2h 23mn Bit rate : 9 430 Kbps Nominal bit rate : 9 471 Kbps Width : 1 920 pixels Height : 800 pixels Display aspect ratio : 2.400 Frame rate : 23.976 fps Resolution : 24 bits Colorimetry : 4:2:0 Scan type : Progressive Bits/(Pixel*Frame) : 0.256 Writing library : x264 core 56 svn-680 Encoding settings : cabac=1 / ref=2 / deblock=1:0:0 / analyse=0x1:0x111 / me=hex / subme=5 / brdo=0 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=0 / cqm=0 / deadzone=21,11 / chroma_qp_offset=0 / threads=2 / nr=0 / decimate=1 / mbaff=0 / bframes=5 / b_pyramid=0 / b_adapt=1 / b_bias=0 / direct=1 / wpredb=0 / bime=0 / keyint=250 / keyint_min=25 / scenecut=40(pre) / rc=abr / bitrate=9471 / ratetol=1.0 / rceq='blurCplx^(1-qComp)' / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / ip_ratio=1.40 / pb_ratio=1.3 Audio ID : 4352 (0x1100) Menu ID : 1 (0x1) Format : AC-3 Format/Info : Audio Coding 3 Duration : 2h 23mn Bit rate mode : Constant Bit rate : 640 Kbps Channel(s) : 6 channels Channel positions : Front: L C R, Surround: L R, LFE Sampling rate : 48.0 KHz All of these ones im having problems with are the BDAV format, so im not quite sure what to do to change this file to .vob so my PS3 will play it without lag. What i did with the other files which are MPEG-4 format is i load them up in AVIDEMUX save them as .mkv then i change them over to .vob with mkv2vob. I just need to change the container without any sort of encoding since i dont want to ruin the quality of the movies. Any help would be greatly appreciated this is driving me crazy having my movies stutter every 10 seconds because of sonys crappy patch.