diff options
Diffstat (limited to 'libavfilter/vf_unsharp.c')
-rw-r--r-- | libavfilter/vf_unsharp.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/libavfilter/vf_unsharp.c b/libavfilter/vf_unsharp.c index 274b13c296..fa75de5d94 100644 --- a/libavfilter/vf_unsharp.c +++ b/libavfilter/vf_unsharp.c @@ -3,26 +3,26 @@ * Port copyright (c) 2010 Daniel G. Taylor <dan@programmer-art.org> * Relicensed to the LGPL with permission from Remi Guyomarch. * - * 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 */ /** * @file - * blur / sharpen filter, ported to Libav from MPlayer + * blur / sharpen filter, ported to FFmpeg from MPlayer * libmpcodecs/unsharp.c. * * This code is based on: @@ -63,7 +63,7 @@ typedef struct { FilterParam chroma; ///< chroma parameters (width, height, amount) } UnsharpContext; -static void unsharpen(uint8_t *dst, uint8_t *src, int dst_stride, int src_stride, int width, int height, FilterParam *fp) +static void unsharpen(uint8_t *dst, const uint8_t *src, int dst_stride, int src_stride, int width, int height, FilterParam *fp) { uint32_t **sc = fp->sc; uint32_t sr[(MAX_SIZE * MAX_SIZE) - 1], tmp1, tmp2; @@ -96,7 +96,7 @@ static void unsharpen(uint8_t *dst, uint8_t *src, int dst_stride, int src_stride tmp1 = sc[z + 1][x + fp->steps_x] + tmp2; sc[z + 1][x + fp->steps_x] = tmp2; } if (x >= fp->steps_x && y >= fp->steps_y) { - uint8_t* srx = src - fp->steps_y * src_stride + x - fp->steps_x; + const uint8_t* srx = src - fp->steps_y * src_stride + x - fp->steps_x; uint8_t* dsx = dst - fp->steps_y * dst_stride + x - fp->steps_x; res = (int32_t)*srx + ((((int32_t) * srx - (int32_t)((tmp1 + fp->halfscale) >> fp->scalebits)) * fp->amount) >> 16); |