virtualdub can't seem to decode h264 properly

[muffinman123]

I want to reprocess a x264 encoded video that I made with virtualdub, but virtualdub only sees the video as slanted grayscale video in the "input video" panel, so the output video is exactly what virtualdub sees. how do I solve this problem? I remember x26e encoder had this virtualdub hack so that virtualdub could use the encoder, I wonder if that's what causes virtualdub to not be able to read x264 videos made by it.

[jagabo]

VirtualDub doesn't decode h.264. A VFW (or maybe DirectShow, depending on how the video is getting into VitualDub) installed decoder does. The VirtualDub hack has nothing to do with your problem. The problem is the decoder used to decompress the video isn't handling the source properly. Probably because it doesn't support the frame size (mod2?).

What is your source file? And how are you getting it into VirtualDub (what source filter? Avisynth?)?

[muffinman123]

how do I check which source filter I am using for virtualdub?

[jagabo]

Use the "files of type" pulldown in the File Open dialog.

[Stears555]

I can't understand why people use such a bacwarld software as the virtualdub...

[smrpix]

I can't understand why people use such a bacwarld software as the virtualdub...

Because sometimes it's the best tool for the job.

[muffinman123]

it says the video decompresssor is ffdshow video codec, and I cant seem to find the option menu to change it

ffdshow video decoder configuration says I am using libavcodec decoder.

[muffinman123]

ah found the problem, in x264vfw menu, I had libav disable decoder checked. but playback is so much slower now with that enabled

[jagabo]

ffdshow is normally configured via Start -> All Programs -> ffdshow -> VFW Configuration, or Start -> All Programs -> ffddshow -> Video Decoder Configuration, depending on which VirtualDub source filter you are using (VFW or DirectShow). If you have the Tray Icon feature enabled ffdshow will appear in the Tray when in use and you can configure it from there. I don't know how this works in Wine though.