Am 25.10.2013, 18:37 Uhr, schrieb Steve Borho <[email protected]>:

I don't really care to do auto-detection of the stream type, and right now
- always means YUV.  Would it be acceptable if -.y4m is used to indicate
Y4M on stdin?

Probably not; the typical use, a "quasi standard", is to have exactly the hyphen only as input file name.

If you have raw YUV input, you really need to provide the image dimensions (width × height), possibly even the picture type (e.g. FourCC, like "I420" or "YV12" for 4:2:0, or possibly "YUY2" if 4:2:2 is supported some day).

So you may use an additional "-y4m" option instead of all the required options for raw YUV, to indicate that the piped input is YUV4MPEG instead of raw YUV.

--

Fun and success!
Mario *LigH* Rohkrämer
mailto:[email protected]
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