diff options
Diffstat (limited to 'src_SigProc_FIX/SKP_Silk_pitch_est_defines.h')
| -rw-r--r-- | src_SigProc_FIX/SKP_Silk_pitch_est_defines.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src_SigProc_FIX/SKP_Silk_pitch_est_defines.h b/src_SigProc_FIX/SKP_Silk_pitch_est_defines.h new file mode 100644 index 00000000..1960eabf --- /dev/null +++ b/src_SigProc_FIX/SKP_Silk_pitch_est_defines.h @@ -0,0 +1,87 @@ +/***********************************************************************
+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_PE_DEFINES_H
+#define SKP_SILK_PE_DEFINES_H
+
+#include "SKP_Silk_SigProc_FIX.h"
+
+/************************************************************/
+/* Definitions For Fix pitch estimator */
+/************************************************************/
+
+#define PE_MAX_FS_KHZ 16 /* Maximum sampling frequency used */
+
+#define PE_MAX_NB_SUBFR 4
+#define PE_SUBFR_LENGTH_MS 5 /* 5 ms */
+
+#define PE_LTP_MEM_LENGTH_MS (4 * PE_SUBFR_LENGTH_MS)
+
+#define PE_MAX_FRAME_LENGTH_MS (PE_LTP_MEM_LENGTH_MS + PE_MAX_NB_SUBFR * PE_SUBFR_LENGTH_MS)
+#define PE_MAX_FRAME_LENGTH (PE_MAX_FRAME_LENGTH_MS * PE_MAX_FS_KHZ)
+#define PE_MAX_FRAME_LENGTH_ST_1 (PE_MAX_FRAME_LENGTH >> 2)
+#define PE_MAX_FRAME_LENGTH_ST_2 (PE_MAX_FRAME_LENGTH >> 1)
+#define PE_MAX_SF_FRAME_LENGTH (PE_SUB_FRAME * PE_MAX_FS_KHZ)
+
+#define PE_MAX_LAG_MS 18 /* 18 ms -> 56 Hz */
+#define PE_MIN_LAG_MS 2 /* 2 ms -> 500 Hz */
+#define PE_MAX_LAG (PE_MAX_LAG_MS * PE_MAX_FS_KHZ)
+#define PE_MIN_LAG (PE_MIN_LAG_MS * PE_MAX_FS_KHZ)
+
+#define PE_D_SRCH_LENGTH 24
+
+#define PE_NB_STAGE3_LAGS 5
+
+#define PE_NB_CBKS_STAGE2 3
+#define PE_NB_CBKS_STAGE2_EXT 11
+
+#define PE_CB_mn2 1
+#define PE_CB_mx2 2
+
+#define PE_NB_CBKS_STAGE3_MAX 34
+#define PE_NB_CBKS_STAGE3_MID 24
+#define PE_NB_CBKS_STAGE3_MIN 16
+
+#define PE_NB_CBKS_STAGE3_10MS 12
+#define PE_NB_CBKS_STAGE2_10MS 3
+
+#define PE_SHORTLAG_BIAS 0.2f /* for logarithmic weighting */
+#define PE_PREVLAG_BIAS 0.2f /* for logarithmic weighting */
+#define PE_FLATCONTOUR_BIAS 0.05f
+
+extern const SKP_int8 SKP_Silk_CB_lags_stage2[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE2_EXT ];
+extern const SKP_int8 SKP_Silk_CB_lags_stage3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ];
+extern const SKP_int8 SKP_Silk_Lag_range_stage3[ SKP_Silk_PE_MAX_COMPLEX + 1 ] [ PE_MAX_NB_SUBFR ][ 2 ];
+extern const SKP_int8 SKP_Silk_nb_cbk_searchs_stage3[ SKP_Silk_PE_MAX_COMPLEX + 1 ];
+
+/* Tables added for 10 ms frames */
+extern const SKP_int8 SKP_Silk_CB_lags_stage2_10_ms[ PE_MAX_NB_SUBFR >> 1][ 3 ];
+extern const SKP_int8 SKP_Silk_CB_lags_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 12 ];
+extern const SKP_int8 SKP_Silk_Lag_range_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 2 ];
+
+#endif
+
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