blob: e3f42137e0358ad5ab388cf2c73de3e68e55033e [file] [log] [blame]
* Copyright (c) 2011 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.
* The main NetEQ instance, which is where the DSP and MCU sides join.
#include "typedefs.h"
#include "dsp.h"
#include "mcu.h"
/* Define size of shared memory area. */
#if defined(NETEQ_48KHZ_WIDEBAND)
#define SHARED_MEM_SIZE (6*640)
#elif defined(NETEQ_32KHZ_WIDEBAND)
#define SHARED_MEM_SIZE (4*640)
#elif defined(NETEQ_WIDEBAND)
#define SHARED_MEM_SIZE (2*640)
#define SHARED_MEM_SIZE 640
/* Struct to hold the NetEQ instance */
typedef struct
DSPInst_t DSPinst; /* DSP part of the NetEQ instance */
MCUInst_t MCUinst; /* MCU part of the NetEQ instance */
WebRtc_Word16 ErrorCode; /* Store last error code */
WebRtc_Word16 masterSlave; /* 0 = not set, 1 = master, 2 = slave */
#endif /* NETEQ_STEREO */
} MainInst_t;
/* Struct used for communication between DSP and MCU sides of NetEQ */
typedef struct
WebRtc_UWord32 playedOutTS; /* Timestamp position at end of DSP data */
WebRtc_UWord16 samplesLeft; /* Number of samples stored */
WebRtc_Word16 MD; /* Multiple description codec information */
WebRtc_Word16 lastMode; /* Latest mode of NetEQ playout */
WebRtc_Word16 frameLen; /* Frame length of previously decoded packet */
} DSP2MCU_info_t;
/* Initialize instances with read and write address */
int WebRtcNetEQ_DSPinit(MainInst_t *inst);
/* The DSP side will call this function to interrupt the MCU side */
int WebRtcNetEQ_DSP2MCUinterrupt(MainInst_t *inst, WebRtc_Word16 *pw16_shared_mem);