X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fsimple_idct.h;h=edc994dbf9c08adf30c8c2b2c9bfc623abccc748;hb=189157c3fc8eeb691e3684b09d971eb5ddb47d5b;hp=54dff7396087bf8e9ce3aeaae135a3238fb4dc96;hpb=37e8dcda368feb17279e5938f2045ce807f24968;p=ffmpeg diff --git a/libavcodec/simple_idct.h b/libavcodec/simple_idct.h index 54dff739608..edc994dbf9c 100644 --- a/libavcodec/simple_idct.h +++ b/libavcodec/simple_idct.h @@ -1,20 +1,54 @@ /* - Copyright (C) 2001 Michael Niedermayer (michaelni@gmx.at) + * Simple IDCT + * + * Copyright (c) 2001 Michael Niedermayer + * + * 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 2.1 of the License, or (at your option) any later version. + * + * 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ - This program 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. +/** + * @file + * simple idct header. + */ - This program 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. +#ifndef AVCODEC_SIMPLE_IDCT_H +#define AVCODEC_SIMPLE_IDCT_H - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ +#include +#include -void simple_idct(short *block); -void simple_idct_mmx(short *block); +void ff_simple_idct_put_8(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_add_8(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_8(int16_t *block); + +void ff_simple_idct_put_10(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_add_10(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_10(int16_t *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(int16_t *block, const int16_t *qmat); + +void ff_simple_idct248_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block); + +void ff_simple_idct84_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct48_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct44_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block); + +#endif /* AVCODEC_SIMPLE_IDCT_H */