diff options
Diffstat (limited to 'libavcodec/ac3dsp.h')
| -rw-r--r-- | libavcodec/ac3dsp.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/libavcodec/ac3dsp.h b/libavcodec/ac3dsp.h index c33a0be..161de4c 100644 --- a/libavcodec/ac3dsp.h +++ b/libavcodec/ac3dsp.h @@ -2,20 +2,20 @@ * AC-3 DSP functions * Copyright (c) 2011 Justin Ruggles * - * 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 */ @@ -126,9 +126,16 @@ typedef struct AC3DSPContext { void (*extract_exponents)(uint8_t *exp, int32_t *coef, int nb_coefs); + void (*sum_square_butterfly_int32)(int64_t sum[4], const int32_t *coef0, + const int32_t *coef1, int len); + + void (*sum_square_butterfly_float)(float sum[4], const float *coef0, + const float *coef1, int len); + int out_channels; int in_channels; void (*downmix)(float **samples, float **matrix, int len); + void (*downmix_fixed)(int32_t **samples, int16_t **matrix, int len); /** * Apply symmetric window in 16-bit fixed-point. @@ -148,9 +155,13 @@ typedef struct AC3DSPContext { void ff_ac3dsp_init (AC3DSPContext *c, int bit_exact); void ff_ac3dsp_init_arm(AC3DSPContext *c, int bit_exact); void ff_ac3dsp_init_x86(AC3DSPContext *c, int bit_exact); +void ff_ac3dsp_init_mips(AC3DSPContext *c, int bit_exact); void ff_ac3dsp_downmix(AC3DSPContext *c, float **samples, float **matrix, int out_ch, int in_ch, int len); +void ff_ac3dsp_downmix_fixed(AC3DSPContext *c, int32_t **samples, int16_t **matrix, + int out_ch, int in_ch, int len); + void ff_ac3dsp_set_downmix_x86(AC3DSPContext *c); #endif /* AVCODEC_AC3DSP_H */ |
