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-rw-r--r--media/libstagefright/codecs/amrwb/src/band_pass_6k_7k.cpp240
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diff --git a/media/libstagefright/codecs/amrwb/src/band_pass_6k_7k.cpp b/media/libstagefright/codecs/amrwb/src/band_pass_6k_7k.cpp
deleted file mode 100644
index 97c7402..0000000
--- a/media/libstagefright/codecs/amrwb/src/band_pass_6k_7k.cpp
+++ /dev/null
@@ -1,240 +0,0 @@
-/* ------------------------------------------------------------------
- * Copyright (C) 1998-2009 PacketVideo
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
- * express or implied.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- * -------------------------------------------------------------------
- */
-/****************************************************************************************
-Portions of this file are derived from the following 3GPP standard:
-
- 3GPP TS 26.173
- ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec
- Available from http://www.3gpp.org
-
-(C) 2007, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
-Permission to distribute, modify and use this file under the standard license
-terms listed above has been obtained from the copyright holder.
-****************************************************************************************/
-/*
-------------------------------------------------------------------------------
-
-
-
- Filename: band_pass_6k_7k.cpp
-
- Date: 05/08/2004
-
-------------------------------------------------------------------------------
- REVISION HISTORY
-
-
- Description:
-
-------------------------------------------------------------------------------
- INPUT AND OUTPUT DEFINITIONS
-
- int16 signal[], input signal / output is divided by 16
- int16 lg, lenght of signal
- int16 mem[] in/out: memory (size=30)
- int16 x[] scratch mem ( size= 60)
-
-------------------------------------------------------------------------------
- FUNCTION DESCRIPTION
-
- 15th order band pass 6kHz to 7kHz FIR filter.
-
- frequency: 4kHz 5kHz 5.5kHz 6kHz 6.5kHz 7kHz 7.5kHz 8kHz
- dB loss: -60dB -45dB -13dB -3dB 0dB -3dB -13dB -45dB
-
-
-------------------------------------------------------------------------------
- REQUIREMENTS
-
-
-------------------------------------------------------------------------------
- REFERENCES
-
-------------------------------------------------------------------------------
- PSEUDO-CODE
-
-------------------------------------------------------------------------------
-*/
-
-
-/*----------------------------------------------------------------------------
-; INCLUDES
-----------------------------------------------------------------------------*/
-
-
-#include "pv_amr_wb_type_defs.h"
-#include "pvamrwbdecoder_basic_op.h"
-#include "pvamrwbdecoder_acelp.h"
-#include "pvamrwbdecoder_cnst.h"
-
-/*----------------------------------------------------------------------------
-; MACROS
-; Define module specific macros here
-----------------------------------------------------------------------------*/
-
-
-/*----------------------------------------------------------------------------
-; DEFINES
-; Include all pre-processor statements here. Include conditional
-; compile variables also.
-----------------------------------------------------------------------------*/
-
-#define L_FIR 30
-
-/*----------------------------------------------------------------------------
-; LOCAL FUNCTION DEFINITIONS
-; Function Prototype declaration
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; LOCAL STORE/BUFFER/POINTER DEFINITIONS
-; Variable declaration - defined here and used outside this module
-----------------------------------------------------------------------------*/
-
-/* filter coefficients (gain=4.0) */
-
-const int16 fir_6k_7k[L_FIR] =
-{
- -32, 47, 32, -27,
- -369, 1122, -1421, 0,
- 3798, -8880, 12349, -10984,
- 3548, 7766, -18001,
- 22118,
- -18001, 7766, 3548, -10984,
- 12349, -8880, 3798, 0,
- -1421, 1122, -369, -27,
- 32, 47
-};
-
-/*----------------------------------------------------------------------------
-; EXTERNAL FUNCTION REFERENCES
-; Declare functions defined elsewhere and referenced in this module
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES
-; Declare variables used in this module but defined elsewhere
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; FUNCTION CODE
-----------------------------------------------------------------------------*/
-
-void band_pass_6k_7k_init(int16 mem[]) /* mem[30] */
-{
- pv_memset((void *)mem, 0, L_FIR*sizeof(*mem));
-}
-
-
-/*----------------------------------------------------------------------------
-; FUNCTION CODE
-----------------------------------------------------------------------------*/
-
-
-void band_pass_6k_7k(
- int16 signal[], /* input: signal */
- int16 lg, /* input: length of input */
- int16 mem[], /* in/out: memory (size=30) */
- int16 x[]
-)
-{
- int16 i, j;
- int32 L_tmp1;
- int32 L_tmp2;
- int32 L_tmp3;
- int32 L_tmp4;
-
- int16 *pt_sign = signal;
-
- pv_memcpy((void *)x, (void *)mem, L_FIR*sizeof(*x));
-
-
- for (i = 0; i < lg >> 2; i++)
- {
-
- x[(i<<2) + L_FIR ] = *(pt_sign) >> 2; /* gain of filter = 4 */
- x[(i<<2) + L_FIR + 1] = *(pt_sign + 1) >> 2; /* gain of filter = 4 */
- x[(i<<2) + L_FIR + 2] = *(pt_sign + 2) >> 2; /* gain of filter = 4 */
- x[(i<<2) + L_FIR + 3] = *(pt_sign + 3) >> 2; /* gain of filter = 4 */
-
- L_tmp1 = 0x00004000;
- L_tmp2 = 0x00004000;
- L_tmp3 = 0x00004000;
- L_tmp4 = 0x00004000;
-
- L_tmp1 -= ((int32)x[(i<<2)+L_FIR ] << 5);
- L_tmp2 -= ((int32)x[(i<<2)+L_FIR+1] << 5);
- L_tmp3 -= ((int32)x[(i<<2)+L_FIR+2] << 5);
- L_tmp4 -= ((int32)x[(i<<2)+L_FIR+3] << 5);
-
- L_tmp1 -= ((int32)x[(i<<2)] << 5);
- L_tmp2 -= ((int32)x[(i<<2)+1] << 5);
- L_tmp3 -= ((int32)x[(i<<2)+2] << 5);
- L_tmp4 -= ((int32)x[(i<<2)+3] << 5);
-
-
- for (j = 1; j < L_FIR - 1; j += 4)
- {
- int16 tmp1 = x[(i<<2)+j ];
- int16 tmp2 = x[(i<<2)+j+1];
- int16 tmp3 = x[(i<<2)+j+2];
-
- L_tmp1 = fxp_mac_16by16(tmp1, fir_6k_7k[j ], L_tmp1);
- L_tmp2 = fxp_mac_16by16(tmp2, fir_6k_7k[j ], L_tmp2);
- L_tmp1 = fxp_mac_16by16(tmp2, fir_6k_7k[j+1], L_tmp1);
- L_tmp2 = fxp_mac_16by16(tmp3, fir_6k_7k[j+1], L_tmp2);
- L_tmp3 = fxp_mac_16by16(tmp3, fir_6k_7k[j ], L_tmp3);
- L_tmp1 = fxp_mac_16by16(tmp3, fir_6k_7k[j+2], L_tmp1);
-
- tmp1 = x[(i<<2)+j+3];
- tmp2 = x[(i<<2)+j+4];
-
- L_tmp2 = fxp_mac_16by16(tmp1, fir_6k_7k[j+2], L_tmp2);
- L_tmp4 = fxp_mac_16by16(tmp1, fir_6k_7k[j ], L_tmp4);
- L_tmp3 = fxp_mac_16by16(tmp1, fir_6k_7k[j+1], L_tmp3);
- L_tmp1 = fxp_mac_16by16(tmp1, fir_6k_7k[j+3], L_tmp1);
- L_tmp2 = fxp_mac_16by16(tmp2, fir_6k_7k[j+3], L_tmp2);
- L_tmp4 = fxp_mac_16by16(tmp2, fir_6k_7k[j+1], L_tmp4);
- L_tmp3 = fxp_mac_16by16(tmp2, fir_6k_7k[j+2], L_tmp3);
-
- tmp1 = x[(i<<2)+j+5];
- tmp2 = x[(i<<2)+j+6];
-
- L_tmp4 = fxp_mac_16by16(tmp1, fir_6k_7k[j+2], L_tmp4);
- L_tmp3 = fxp_mac_16by16(tmp1, fir_6k_7k[j+3], L_tmp3);
- L_tmp4 = fxp_mac_16by16(tmp2, fir_6k_7k[j+3], L_tmp4);
-
- }
-
- L_tmp1 = fxp_mac_16by16(x[(i<<2)+j ], fir_6k_7k[L_FIR-1 ], L_tmp1);
- L_tmp2 = fxp_mac_16by16(x[(i<<2)+j+1], fir_6k_7k[L_FIR-1 ], L_tmp2);
- L_tmp3 = fxp_mac_16by16(x[(i<<2)+j+2], fir_6k_7k[L_FIR-1 ], L_tmp3);
- L_tmp4 = fxp_mac_16by16(x[(i<<2)+j+3], fir_6k_7k[L_FIR-1 ], L_tmp4);
-
-
- *(pt_sign++) = (int16)(L_tmp1 >> 15);
- *(pt_sign++) = (int16)(L_tmp2 >> 15);
- *(pt_sign++) = (int16)(L_tmp3 >> 15);
- *(pt_sign++) = (int16)(L_tmp4 >> 15);
-
- }
-
- pv_memcpy((void *)mem, (void *)(x + lg), L_FIR*sizeof(*mem));
-
-}
-
generated by cgit v1.1 at 2024-06-09 08:22:41 +0000