diff options
Diffstat (limited to 'libavfilter/vf_vflip.c')
| -rw-r--r-- | libavfilter/vf_vflip.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/libavfilter/vf_vflip.c b/libavfilter/vf_vflip.c index 589a05916c..fc05e614d8 100644 --- a/libavfilter/vf_vflip.c +++ b/libavfilter/vf_vflip.c @@ -1,20 +1,20 @@ /* * Copyright (c) 2007 Bobby Bingham * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -55,9 +55,10 @@ static AVFrame *get_video_buffer(AVFilterLink *link, int w, int h) for (i = 0; i < 4; i ++) { int vsub = i == 1 || i == 2 ? flip->vsub : 0; + int height = FF_CEIL_RSHIFT(h, vsub); if (frame->data[i]) { - frame->data[i] += ((h >> vsub) - 1) * frame->linesize[i]; + frame->data[i] += (height - 1) * frame->linesize[i]; frame->linesize[i] = -frame->linesize[i]; } } @@ -72,9 +73,10 @@ static int filter_frame(AVFilterLink *link, AVFrame *frame) for (i = 0; i < 4; i ++) { int vsub = i == 1 || i == 2 ? flip->vsub : 0; + int height = FF_CEIL_RSHIFT(link->h, vsub); if (frame->data[i]) { - frame->data[i] += ((link->h >> vsub)-1) * frame->linesize[i]; + frame->data[i] += (height - 1) * frame->linesize[i]; frame->linesize[i] = -frame->linesize[i]; } } |