[Ffmpeg-devel] [PATCH] MJPEG wrongly displayed with vertical YUV422
Sat Aug 5 00:26:53 CEST 2006
On Fri, Aug 04, 2006 at 06:15:24PM +0200, Eric Piel wrote:
> >PIX_FMT_YUVJ422VP is unaceptable, it should be called PIX_FMT_YUVJ440P
> Here is attached a corrected patch which fix the naming. Sorry, I had
> tried to find the real naming but without success... those names are
> quite a mess for me.
> >and such vertical subsampled format can pretty much only occur
> >if you rotate 4:2:2 video, should we really support that? what about
> >rotated interlaced video?
> Well, every tool which support JPEG seems to support this format, so why
> not ffmpeg? IMHO, even if it is not so much used, the simple fact that
> it allows to display lossless rotated video is worthy. Adding support
> for it in ffmpeg is rather simple (especially since the patch is just
> there ;-) ).
> Please apply,
> Index: libavutil/avutil.h
> --- libavutil/avutil.h (r??vision 5924)
> +++ libavutil/avutil.h (copie de travail)
> @@ -53,6 +53,7 @@
> PIX_FMT_RGB24, ///< Packed pixel, 3 bytes per pixel, RGBRGB...
> PIX_FMT_BGR24, ///< Packed pixel, 3 bytes per pixel, BGRBGR...
> PIX_FMT_YUV422P, ///< Planar YUV 4:2:2 (1 Cr & Cb sample per 2x1 Y samples)
> + PIX_FMT_YUV440P, ///< Planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
> PIX_FMT_YUV444P, ///< Planar YUV 4:4:4 (1 Cr & Cb sample per 1x1 Y samples)
adding things into the middle of enums is not allowed, as it breaks binary
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
In the past you could go to a library and read, borrow or copy any book
Today you'd get arrested for mere telling someone where the library is
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