| /* |
| * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_FILTERBANK_INTERNAL_H_ |
| #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_FILTERBANK_INTERNAL_H_ |
| |
| #include "webrtc/typedefs.h" |
| |
| #if defined(__cplusplus) || defined(c_plusplus) |
| extern "C" { |
| #endif |
| |
| /* Arguments: |
| * io: Input/output, in Q0. |
| * len: Input, sample length. |
| * coefficient: Input. |
| * state: Input/output, filter state, in Q4. |
| */ |
| typedef void (*HighpassFilterFixDec32)(int16_t* io, |
| int16_t len, |
| const int16_t* coefficient, |
| int32_t* state); |
| extern HighpassFilterFixDec32 WebRtcIsacfix_HighpassFilterFixDec32; |
| |
| void WebRtcIsacfix_HighpassFilterFixDec32C(int16_t* io, |
| int16_t len, |
| const int16_t* coefficient, |
| int32_t* state); |
| |
| #if defined(MIPS_DSP_R1_LE) |
| void WebRtcIsacfix_HighpassFilterFixDec32MIPS(int16_t* io, |
| int16_t len, |
| const int16_t* coefficient, |
| int32_t* state); |
| #endif |
| |
| typedef void (*AllpassFilter2FixDec16)( |
| int16_t *data_ch1, // Input and output in channel 1, in Q0 |
| int16_t *data_ch2, // Input and output in channel 2, in Q0 |
| const int16_t *factor_ch1, // Scaling factor for channel 1, in Q15 |
| const int16_t *factor_ch2, // Scaling factor for channel 2, in Q15 |
| const int length, // Length of the data buffers |
| int32_t *filter_state_ch1, // Filter state for channel 1, in Q16 |
| int32_t *filter_state_ch2); // Filter state for channel 2, in Q16 |
| extern AllpassFilter2FixDec16 WebRtcIsacfix_AllpassFilter2FixDec16; |
| |
| void WebRtcIsacfix_AllpassFilter2FixDec16C( |
| int16_t *data_ch1, |
| int16_t *data_ch2, |
| const int16_t *factor_ch1, |
| const int16_t *factor_ch2, |
| const int length, |
| int32_t *filter_state_ch1, |
| int32_t *filter_state_ch2); |
| |
| #if defined(WEBRTC_HAS_NEON) |
| void WebRtcIsacfix_AllpassFilter2FixDec16Neon( |
| int16_t *data_ch1, |
| int16_t *data_ch2, |
| const int16_t *factor_ch1, |
| const int16_t *factor_ch2, |
| const int length, |
| int32_t *filter_state_ch1, |
| int32_t *filter_state_ch2); |
| #endif |
| |
| #if defined(MIPS_DSP_R1_LE) |
| void WebRtcIsacfix_AllpassFilter2FixDec16MIPS( |
| int16_t *data_ch1, |
| int16_t *data_ch2, |
| const int16_t *factor_ch1, |
| const int16_t *factor_ch2, |
| const int length, |
| int32_t *filter_state_ch1, |
| int32_t *filter_state_ch2); |
| #endif |
| |
| #if defined(__cplusplus) || defined(c_plusplus) |
| } |
| #endif |
| |
| #endif |
| /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_FILTERBANK_INTERNAL_H_ */ |