librempeg/libavfilter/transpose.h
Zachary Zhou b8ebce4f84 libavfilter: add transpose_vaapi filter
Swap width and height when do clock/cclock rotation
Add reversal/hflip/vflip options

ffmpeg -hwaccel vaapi -vaapi_device /dev/dri/renderD128
-hwaccel_output_format vaapi -i input.264 -vf "transpose_vaapi=clock_flip"
-c:v h264_vaapi output.h264

Signed-off-by: Zachary Zhou <zachary.zhou@intel.com>
Signed-off-by: Mark Thompson <sw@jkqxz.net>
2019-01-23 23:29:40 +00:00

38 lines
1.1 KiB
C

/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_TRANSPOSE_H
#define AVFILTER_TRANSPOSE_H
enum PassthroughType {
TRANSPOSE_PT_TYPE_NONE,
TRANSPOSE_PT_TYPE_LANDSCAPE,
TRANSPOSE_PT_TYPE_PORTRAIT,
};
enum TransposeDir {
TRANSPOSE_CCLOCK_FLIP,
TRANSPOSE_CLOCK,
TRANSPOSE_CCLOCK,
TRANSPOSE_CLOCK_FLIP,
TRANSPOSE_REVERSAL, // rotate by half-turn
TRANSPOSE_HFLIP,
TRANSPOSE_VFLIP,
};
#endif