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-rw-r--r--libavcodec/ac3dsp.h18
1 files changed, 14 insertions, 4 deletions
diff --git a/libavcodec/ac3dsp.h b/libavcodec/ac3dsp.h
index 6ca0c5b8e8..ed98c8ce6a 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 +126,18 @@ 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);
+
void (*downmix)(float **samples, float (*matrix)[2], int out_ch,
int in_ch, int len);
+ void (*downmix_fixed)(int32_t **samples, int16_t (*matrix)[2], int out_ch,
+ int in_ch, int len);
+
/**
* Apply symmetric window in 16-bit fixed-point.
* @param output destination array
@@ -147,5 +156,6 @@ 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);
#endif /* AVCODEC_AC3DSP_H */