diff options
Diffstat (limited to 'ffmpeg1/libavcodec/noise_bsf.c')
| -rw-r--r-- | ffmpeg1/libavcodec/noise_bsf.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/ffmpeg1/libavcodec/noise_bsf.c b/ffmpeg1/libavcodec/noise_bsf.c deleted file mode 100644 index 763af79..0000000 --- a/ffmpeg1/libavcodec/noise_bsf.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> - * - * 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 - */ - -#include <stdlib.h> -#include <string.h> - -#include "avcodec.h" -#include "libavutil/mem.h" - - -static int noise(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size, int keyframe){ - unsigned int *state= bsfc->priv_data; - int amount= args ? atoi(args) : (*state % 10001+1); - int i; - - if(amount <= 0) - return AVERROR(EINVAL); - - *poutbuf= av_malloc(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); - - memcpy(*poutbuf, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE); - for(i=0; i<buf_size; i++){ - (*state) += (*poutbuf)[i] + 1; - if(*state % amount == 0) - (*poutbuf)[i] = *state; - } - return 1; -} - -AVBitStreamFilter ff_noise_bsf={ - "noise", - sizeof(int), - noise, -}; |
