diff options
Diffstat (limited to 'libavcodec/simple_idct.h')
| -rw-r--r-- | libavcodec/simple_idct.h | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/libavcodec/simple_idct.h b/libavcodec/simple_idct.h index 23bae9c2fe..64d3c2ac31 100644 --- a/libavcodec/simple_idct.h +++ b/libavcodec/simple_idct.h @@ -3,20 +3,20 @@ * * Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at> * - * 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 */ @@ -31,12 +31,23 @@ #include <stdint.h> #include "dsputil.h" -void ff_simple_idct_put(uint8_t *dest, int line_size, DCTELEM *block); -void ff_simple_idct_add(uint8_t *dest, int line_size, DCTELEM *block); +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 ff_simple_idct(DCTELEM *block); void ff_simple_idct248_put(uint8_t *dest, int line_size, DCTELEM *block); |