2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef AVCODEC_ALACDSP_H
20 #define AVCODEC_ALACDSP_H
24 typedef struct ALACDSPContext {
25 void (*decorrelate_stereo)(int32_t *buffer[2], int nb_samples,
26 int decorr_shift, int decorr_left_weight);
27 void (*append_extra_bits[2])(int32_t *buffer[2], int32_t *extra_bits_buffer[2],
28 int extra_bits, int channels, int nb_samples);
31 void ff_alacdsp_init(ALACDSPContext *c);
32 void ff_alacdsp_init_x86(ALACDSPContext *c);
34 #endif /* AVCODEC_ALACDSP_H */