From a2c547ffecb11ccfe515e1e50b631aa3b15a3ae8 Mon Sep 17 00:00:00 2001 From: Clément Bœsch Date: Sat, 11 May 2013 12:03:38 +0200 Subject: lavfi: add spp filter. --- libavfilter/vf_spp.h | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 libavfilter/vf_spp.h (limited to 'libavfilter/vf_spp.h') diff --git a/libavfilter/vf_spp.h b/libavfilter/vf_spp.h new file mode 100644 index 0000000000..c4293b6fc4 --- /dev/null +++ b/libavfilter/vf_spp.h @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2003 Michael Niedermayer + * Copyright (c) 2013 Clément Bœsch + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License for more details. + * + * You should have received a copy of the GNU 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_SPP_H +#define AVFILTER_SPP_H + +#include "libavcodec/avcodec.h" +#include "libavcodec/dsputil.h" +#include "avfilter.h" + +#define MAX_LEVEL 6 /* quality levels */ + +typedef struct { + const AVClass *av_class; + + int log2_count; + int qp; + int mode; + int qscale_type; + int temp_linesize; + uint8_t *src; + int16_t *temp; + AVCodecContext *avctx; + DSPContext dsp; + int8_t *non_b_qp_table; + int non_b_qp_alloc_size; + int use_bframe_qp; + int hsub, vsub; + + void (*store_slice)(uint8_t *dst, const int16_t *src, + int dst_stride, int src_stride, + int width, int height, int log2_scale, + const uint8_t dither[8][8]); + + void (*requantize)(int16_t dst[64], const int16_t src[64], + int qp, const uint8_t *permutation); +} SPPContext; + +void ff_spp_init_x86(SPPContext *s); + +#endif /* AVFILTER_SPP_H */ -- cgit v1.2.3