X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fsimple_idct.h;h=6e22158b0b69e20c15da392eebd6038807338752;hb=8400b126acb153329c418433c377d96afd1d1e02;hp=2da822771b5491bb86113ab37515cb70ac1ff848;hpb=983e3246b7528e6ffc0cc347d54b86e161140fe6;p=ffmpeg diff --git a/libavcodec/simple_idct.h b/libavcodec/simple_idct.h index 2da822771b5..6e22158b0b6 100644 --- a/libavcodec/simple_idct.h +++ b/libavcodec/simple_idct.h @@ -3,34 +3,56 @@ * * Copyright (c) 2001 Michael Niedermayer * - * This library is free software; you can redistribute it and/or + * This file is part of Libav. + * + * Libav 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 of the License, or (at your option) any later version. + * version 2.1 of the License, or (at your option) any later version. * - * This library is distributed in the hope that it will be useful, + * Libav 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 this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** - * @file simple_idct.h + * @file * simple idct header. */ - -void simple_idct_put(uint8_t *dest, int line_size, DCTELEM *block); -void simple_idct_add(uint8_t *dest, int line_size, DCTELEM *block); + +#ifndef AVCODEC_SIMPLE_IDCT_H +#define AVCODEC_SIMPLE_IDCT_H + +#include +#include "dsputil.h" + +void ff_simple_idct_put_8(uint8_t *dest, int line_size, DCTELEM *block); +void ff_simple_idct_add_8(uint8_t *dest, int line_size, DCTELEM *block); +void ff_simple_idct_8(DCTELEM *block); + +void ff_simple_idct_put_10(uint8_t *dest, int line_size, DCTELEM *block); +void ff_simple_idct_add_10(uint8_t *dest, int line_size, DCTELEM *block); +void ff_simple_idct_10(DCTELEM *block); +/** + * Special version of ff_simple_idct_10() which does dequantization + * and scales by a factor of 2 more between the two IDCTs to account + * for larger scale of input coefficients. + */ +void ff_prores_idct(DCTELEM *block, const int16_t *qmat); + void ff_simple_idct_mmx(int16_t *block); void ff_simple_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block); void ff_simple_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block); -void simple_idct(DCTELEM *block); -void simple_idct248_put(uint8_t *dest, int line_size, DCTELEM *block); +void ff_simple_idct248_put(uint8_t *dest, int line_size, DCTELEM *block); + +void ff_simple_idct84_add(uint8_t *dest, int line_size, DCTELEM *block); +void ff_simple_idct48_add(uint8_t *dest, int line_size, DCTELEM *block); +void ff_simple_idct44_add(uint8_t *dest, int line_size, DCTELEM *block); -void simple_idct84_add(uint8_t *dest, int line_size, DCTELEM *block); -void simple_idct48_add(uint8_t *dest, int line_size, DCTELEM *block); +#endif /* AVCODEC_SIMPLE_IDCT_H */