1 files changed, 69 insertions, 0 deletions
diff --git a/src/modules/audio_coding/codecs/isac/fix/source/lpc_masking_model.h b/src/modules/audio_coding/codecs/isac/fix/source/lpc_masking_model.h
new file mode 100644
index 0000000000..e06a207795
--- /dev/null
+++ b/src/modules/audio_coding/codecs/isac/fix/source/lpc_masking_model.h
@@ -0,0 +1,69 @@
+/*
+ *  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.
+ */
+
+/*
+ * lpc_masking_model.h
+ *
+ * LPC functions
+ *
+ */
+
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_LPC_MASKING_MODEL_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_LPC_MASKING_MODEL_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "structs.h"
+
+void WebRtcIsacfix_GetVars(const WebRtc_Word16 *input,
+                           const WebRtc_Word16 *pitchGains_Q12,
+                           WebRtc_UWord32 *oldEnergy,
+                           WebRtc_Word16 *varscale);
+
+void WebRtcIsacfix_GetLpcCoef(WebRtc_Word16 *inLoQ0,
+                              WebRtc_Word16 *inHiQ0,
+                              MaskFiltstr_enc *maskdata,
+                              WebRtc_Word16 snrQ10,
+                              const WebRtc_Word16 *pitchGains_Q12,
+                              WebRtc_Word32 *gain_lo_hiQ17,
+                              WebRtc_Word16 *lo_coeffQ15,
+                              WebRtc_Word16 *hi_coeffQ15);
+
+typedef int32_t (*CalculateResidualEnergy)(int lpc_order,
+                                           int32_t q_val_corr,
+                                           int q_val_polynomial,
+                                           int16_t* a_polynomial,
+                                           int32_t* corr_coeffs,
+                                           int* q_val_residual_energy);
+extern CalculateResidualEnergy WebRtcIsacfix_CalculateResidualEnergy;
+
+int32_t WebRtcIsacfix_CalculateResidualEnergyC(int lpc_order,
+                                               int32_t q_val_corr,
+                                               int q_val_polynomial,
+                                               int16_t* a_polynomial,
+                                               int32_t* corr_coeffs,
+                                               int* q_val_residual_energy);
+
+#if (defined WEBRTC_DETECT_ARM_NEON) || (defined WEBRTC_ARCH_ARM_NEON)
+int32_t WebRtcIsacfix_CalculateResidualEnergyNeon(int lpc_order,
+                                                  int32_t q_val_corr,
+                                                  int q_val_polynomial,
+                                                  int16_t* a_polynomial,
+                                                  int32_t* corr_coeffs,
+                                                  int* q_val_residual_energy);
+#endif
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_LPC_MASKING_MODEL_H_ */