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Diffstat (limited to 'src_common/SKP_Silk_PLC.h')
| -rw-r--r-- | src_common/SKP_Silk_PLC.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src_common/SKP_Silk_PLC.h b/src_common/SKP_Silk_PLC.h new file mode 100644 index 00000000..97fc9011 --- /dev/null +++ b/src_common/SKP_Silk_PLC.h @@ -0,0 +1,79 @@ +/***********************************************************************
+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_PLC_FIX_H
+#define SKP_SILK_PLC_FIX_H
+
+#include "SKP_Silk_main.h"
+
+#define BWE_COEF 0.99
+#define V_PITCH_GAIN_START_MIN_Q14 11469 /* 0.7 in Q14 */
+#define V_PITCH_GAIN_START_MAX_Q14 15565 /* 0.95 in Q14 */
+#define MAX_PITCH_LAG_MS 18
+#define SA_THRES_Q8 50
+#define USE_SINGLE_TAP 1
+#define RAND_BUF_SIZE 128
+#define RAND_BUF_MASK (RAND_BUF_SIZE - 1)
+#define LOG2_INV_LPC_GAIN_HIGH_THRES 3 /* 2^3 = 8 dB LPC gain */
+#define LOG2_INV_LPC_GAIN_LOW_THRES 8 /* 2^8 = 24 dB LPC gain */
+#define PITCH_DRIFT_FAC_Q16 655 /* 0.01 in Q16 */
+
+void SKP_Silk_PLC_Reset(
+ SKP_Silk_decoder_state *psDec /* I/O Decoder state */
+);
+
+void SKP_Silk_PLC(
+ SKP_Silk_decoder_state *psDec, /* I/O Decoder state */
+ SKP_Silk_decoder_control *psDecCtrl, /* I/O Decoder control */
+ SKP_int16 signal[], /* I/O signal */
+ SKP_int length, /* I length of residual */
+ SKP_int lost /* I Loss flag */
+);
+
+void SKP_Silk_PLC_update(
+ SKP_Silk_decoder_state *psDec, /* I/O Decoder state */
+ SKP_Silk_decoder_control *psDecCtrl, /* I/O Decoder control */
+ SKP_int16 signal[],
+ SKP_int length
+);
+
+void SKP_Silk_PLC_conceal(
+ SKP_Silk_decoder_state *psDec, /* I/O Decoder state */
+ SKP_Silk_decoder_control *psDecCtrl, /* I/O Decoder control */
+ SKP_int16 signal[], /* O LPC residual signal */
+ SKP_int length /* I length of signal */
+);
+
+void SKP_Silk_PLC_glue_frames(
+ SKP_Silk_decoder_state *psDec, /* I/O decoder state */
+ SKP_Silk_decoder_control *psDecCtrl, /* I/O Decoder control */
+ SKP_int16 signal[], /* I/O signal */
+ SKP_int length /* I length of signal */
+);
+
+#endif
+
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