![]() Am I missing the right codec? Or, as I'm beginning to wonder, is this format one that is too demanding for OS 10.6.8 and QT 10 and they just cannot handle it no matter what codecs I have on my computer (because of the 60 fps frame rate? Or is it the subtitle track?). I just want to be able to trim these big files down to some short video clips that are in an accessible format.Īny help would be MUCH appreciated. However, this doesn't seem like a good solution because it takes about 2 hours to convert a file with 30 minutes of video. mp4 that is then openable in QT 10 with a format of H.264, AAC, and a reduced frame rate of 29.84. mp4 files in Handbrake (0.9.8) and it was able to open and convert the file to an. When I tell it to "open anyway" it tries and then says "File open error: can't find video or audio tracks". mp4 files in MPEG Streamclip (1.9.2), but it says "File open error: unrecognized file type". Then I searched for and downloaded codecs that I might be missing, such as "avc1Decoder.dmg" from M圜ometG3 and, and x264Encoder 1.2.27 also from M圜ometG3, and I put them in my Library/Quicktime folder and restarted Quicktime, but neither solved the problem. So I tried copying all the codecs from the Mac laptop that *could* open them, but that didn't work. I first assumed it was just a case of not having the right codec. Interestingly, they would not open on one (I think running Lion with QT 10.0), but they DID open on the other newer laptop (running Mountain Lion with QT 10.2). mp4 files on two Mac laptops that a friend of mine has. It also has an audio track (MPEG audio) and a subtitle track. The Media Information pane in VLC says: the codec is "H264 - MPEG-4 AVC (part 10)(avc1)", it is HD resolution (1920 x 1080), it has a frame rate of 59.940060, and the Decoded format is "Planar 4:2:0 YUV". The file will open and play fine in VLC, but I can't do the editing I want there. An invalid sample description was found in the movie." In iMovie, the file is greyed out when I try to import it. ![]() ![]() When I try to open the file in QT 10, it says "The document “name.mp4” could not be opened" whereas in QT 7 it says "The file could not be opened. I've got a MacBook Pro running OS X 10.6.8 (Snow Leopard). mp4 movie files, but I can't open them in Quicktime (10.0 or 7.6.6), or iMovie '09 (8.0.6) or Final Cut Express (4.0.1). ![]()
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