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* avfilter/vf_rotate: use vsub for output plane height calculationPaul B Mahol2013-09-291-1/+1
| | | | | | | | Output plane height used horizontal instead of vertical subsampling. This is just cosmetic change as filter does not support formats where vertical subsampling does not match horizontal one. Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/vf_rotate: fix 'oh' option descriptionPaul B Mahol2013-09-071-1/+1
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* lavfi/rotate: switch to new drawutilsPaul B Mahol2013-07-081-25/+16
| | | | | | Get rid of ugly hacks, also add support for more pixel formats. Signed-off-by: Paul B Mahol <onemda@gmail.com>
* lavfi/rotate: add angle commandStefano Sabatini2013-06-131-0/+24
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* lavfi: add rotate filterStefano Sabatini2013-06-131-0/+441
Based on the libavfilter SOC filter by Vitor Sessak, with the following additions: * integer arithmetic * bilinear interpolation * RGB path * configurable parametric angle, output width and height Address trac issue #1500. See thread: Subject: [FFmpeg-devel] [WIP] rotate filter(s) Date: 2010-10-03 17:35:49 GMT
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