Hi c**s
I try to encode a .mxf file versus .avi mjpeg using a mjpeg 64 bit codec but I don't know why.
With virtualdub I cannot. Is there a way, a program to do this?
thanks
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Because VirtualDub does not use DirectShow encoders. Only VFW encoders. Unless you use the external encoder/muxer feature. How can you not know this by now?
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I would use ffmpeg 64 bit, but the internal mjpeg encoder of ffmpeg don't take a pure interlaced .avi files.
So that I have to use directshow codec, possibly 64 bit, like mainconcept mjpeg/accusoft Picvideo Mjpeg/Morgan Mjpeg. External encoder, if I don't mistake, is possibile only with ffmpeg, or not? -
I try to understand if I can encode with a 64 bit mjpeg codec (to improve speed), but all VFW codec are not 64 bit. If I don't mistake only directshow codec is 64 bit. So that I try to understand, for example, if I can encode a .mxf into .avi (mjpeg) using a program that use a 64 bit mjpeg codec. For example mainconcept, morgan and accusoft mjpeg codec have the 64 bit version
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There are 64bit VFW versions, but speed usually isn't much different than 32bit versions.
eg
https://www.accusoft.com/products/picvideo-m-jpeg-codec/pricing/ -
mmm I have installed 32 and 64 bit of the accusoft, but the 64 bit is not visible from virtualdub. I also have the morgan @ 64 bit and mainconcept @ 64 bit but are not visible by virtualdub. FFmpeg is ideal (and super fast) but mjpeg output is not a pure interlaced
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but the problem of picvideo is the quality: I have do a lot of proof and Morgan is superior at the same bitrate. Mainconcept and Morgan are the best codec (maybe mainconcept is the best) and they are 32 and 64 bit (but I think not 64 bit VFW) but I cannot find a way to use 64 bit codec. Mencoder can do it?
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You can encode it with graphstudio x64 because they are directshow x64 codecs. No it's not a very user friendly way to do it. Vdub cannot access directshow for encoding, at least not directly, therefore you cannot use vdub x64.
You already asked about mencoder in a previous thread
You already asked these questions before.
The answers are (still) the same ... -
There are two video system in Windows: VFW and DirectShow. For the most part, programs use one or the other. VirtualDub uses VFW and requires VFW codecs. In addition, any program can use its own built in codecs. For example, VirtualDub has built in DV and MJPEG decoders so it can read DV AVI and MJPEG AVI without VFW decoders for those.
Then there are the 32 bit and 64 bit environments. 32 bit programs can only see 32 bit codecs, filters AviSynth, etc. 64 bit program can only see 64 bit codecs, filters, Avisynth etc.
So basically, under 64 bit Windows you have four (almost completely) separate video environments:
Code:32 bit VFW 32 bit DirectShow 64 bit VFW 64 bit DirectShow
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