* Copyright (c) 2008 Vladimir Voroshilov
* Copyright (c) 2009 Vitor Sessak
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define AVCODEC_SIPR_H
#include "avcodec.h"
-#include "dsputil.h"
#include "acelp_pitch_delay.h"
+#include "libavutil/mem.h"
#define LP_FILTER_ORDER_16k 16
#define L_SUBFR_16k 80
MODE_COUNT
} SiprMode;
-typedef struct {
+typedef struct SiprParameters {
+ int ma_pred_switch; ///< switched moving average predictor
+ int vq_indexes[5];
+ int pitch_delay[5]; ///< pitch delay
+ int gp_index[5]; ///< adaptive-codebook gain indexes
+ int16_t fc_indexes[5][10]; ///< fixed-codebook indexes
+ int gc_index[5]; ///< fixed-codebook gain indexes
+} SiprParameters;
+
+typedef struct SiprContext {
AVCodecContext *avctx;
- DSPContext dsp;
SiprMode mode;
float excitation[L_INTERPOL + PITCH_MAX + 2 * L_SUBFR_16k];
- DECLARE_ALIGNED_16(float, synth_buf)[LP_FILTER_ORDER + 5*SUBFR_SIZE + 6];
+ DECLARE_ALIGNED(16, float, synth_buf)[LP_FILTER_ORDER + 5*SUBFR_SIZE + 6];
float lsp_history[LP_FILTER_ORDER];
float gain_mem;
float mem_preemph[LP_FILTER_ORDER_16k];
float synth[LP_FILTER_ORDER_16k];
double lsp_history_16k[16];
-} SiprContext;
-typedef struct {
- int ma_pred_switch; ///< switched moving average predictor
- int vq_indexes[5];
- int pitch_delay[5]; ///< pitch delay
- int gp_index[5]; ///< adaptive-codebook gain indexes
- int16_t fc_indexes[5][10]; ///< fixed-codebook indexes
- int gc_index[5]; ///< fixed-codebook gain indexes
-} SiprParameters;
+ void (*decode_frame)(struct SiprContext *ctx, SiprParameters *params,
+ float *out_data);
+} SiprContext;
extern const float ff_pow_0_5[16];