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Diffstat (limited to 'src_FLP/SKP_Silk_structs_FLP.h')
| -rw-r--r-- | src_FLP/SKP_Silk_structs_FLP.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src_FLP/SKP_Silk_structs_FLP.h b/src_FLP/SKP_Silk_structs_FLP.h new file mode 100644 index 00000000..2b57a02b --- /dev/null +++ b/src_FLP/SKP_Silk_structs_FLP.h @@ -0,0 +1,116 @@ +/***********************************************************************
+Copyright (c) 2006-2011, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, (subject to the limitations in the disclaimer below)
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific
+contributors, may be used to endorse or promote products derived from
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifndef SKP_SILK_STRUCTS_FLP_H
+#define SKP_SILK_STRUCTS_FLP_H
+
+#include "SKP_Silk_typedef.h"
+#include "SKP_Silk_main.h"
+#include "SKP_Silk_structs.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/********************************/
+/* Noise shaping analysis state */
+/********************************/
+typedef struct {
+ SKP_int8 LastGainIndex;
+ SKP_float HarmBoost_smth;
+ SKP_float HarmShapeGain_smth;
+ SKP_float Tilt_smth;
+} SKP_Silk_shape_state_FLP;
+
+/********************************/
+/* Prefilter state */
+/********************************/
+typedef struct {
+ SKP_float sLTP_shp[ LTP_BUF_LENGTH ];
+ SKP_float sAR_shp[ MAX_SHAPE_LPC_ORDER + 1 ];
+ SKP_int sLTP_shp_buf_idx;
+ SKP_float sLF_AR_shp;
+ SKP_float sLF_MA_shp;
+ SKP_float sHarmHP;
+ SKP_int32 rand_seed;
+ SKP_int lagPrev;
+} SKP_Silk_prefilter_state_FLP;
+
+/********************************/
+/* Encoder state FLP */
+/********************************/
+typedef struct {
+ SKP_Silk_encoder_state sCmn; /* Common struct, shared with fixed-point code */
+ SKP_Silk_shape_state_FLP sShape; /* Noise shaping state */
+ SKP_Silk_prefilter_state_FLP sPrefilt; /* Prefilter State */
+
+ /* Buffer for find pitch and noise shape analysis */
+ SKP_float x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];/* Buffer for find pitch and noise shape analysis */
+ SKP_float LTPCorr; /* Normalized correlation from pitch lag estimator */
+
+ /* Parameters for LTP scaling control */
+ SKP_float prevLTPredCodGain;
+ SKP_float HPLTPredCodGain;
+} SKP_Silk_encoder_state_FLP;
+
+/************************/
+/* Encoder control FLP */
+/************************/
+typedef struct {
+ /* Prediction and coding parameters */
+ SKP_float Gains[MAX_NB_SUBFR];
+ SKP_float PredCoef[ 2 ][ MAX_LPC_ORDER ]; /* holds interpolated and final coefficients */
+ SKP_float LTPCoef[LTP_ORDER * MAX_NB_SUBFR];
+ SKP_float LTP_scale;
+ SKP_int pitchL[ MAX_NB_SUBFR ];
+
+ /* Noise shaping parameters */
+ SKP_float AR1[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ];
+ SKP_float AR2[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ];
+ SKP_float LF_MA_shp[ MAX_NB_SUBFR ];
+ SKP_float LF_AR_shp[ MAX_NB_SUBFR ];
+ SKP_float GainsPre[ MAX_NB_SUBFR ];
+ SKP_float HarmBoost[ MAX_NB_SUBFR ];
+ SKP_float Tilt[ MAX_NB_SUBFR ];
+ SKP_float HarmShapeGain[ MAX_NB_SUBFR ];
+ SKP_float Lambda;
+ SKP_float input_quality;
+ SKP_float coding_quality;
+
+ /* Measures */
+ SKP_float sparseness;
+ SKP_float predGain;
+ SKP_float LTPredCodGain;
+ SKP_float ResNrg[ MAX_NB_SUBFR ]; /* Residual energy per subframe */
+} SKP_Silk_encoder_control_FLP;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
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