88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
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/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#ifndef __SPEECH_UTILS_H__
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#define __SPEECH_UTILS_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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// len = fs / 1000 * ms
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#if defined(LOW_DELAY_SCO)
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// len = fs / 1000 * ms
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#define SPEECH_FRAME_MS_TO_LEN(fs, ms) (( (fs) / 1000 * (ms) )/2)
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#else
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// len = fs / 1000 * ms
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#define SPEECH_FRAME_MS_TO_LEN(fs, ms) ( (fs) / 1000 * (ms) )
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#endif
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#define SPEECH_FRAME_LEN_TO_MS(fs, len) ( (len) / ( (fs) / 1000) )
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inline void speech_set_int16(short *dst, short v, int len)
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{
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for (int i=0; i<len; i++)
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{
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dst[i] = v;
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}
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}
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inline void speech_set_int32(int *dst, int v, int len)
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{
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for (int i=0; i<len; i++)
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{
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dst[i] = v;
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}
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}
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inline void speech_set_f32(float *dst, float v, int len)
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{
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for (int i=0; i<len; i++)
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{
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dst[i] = v;
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}
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}
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static inline void speech_copy_int16(short *dst, short *src, int len)
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{
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for (int i=0; i<len; i++)
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{
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dst[i] = src[i];
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}
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}
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inline void speech_copy_f32(float *dst, float *src, int len)
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{
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for (int i=0; i<len; i++)
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{
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dst[i] = src[i];
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}
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}
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inline float speech_frame_size2time_ms(int sample_rate, int frame_size)
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{
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float frame_time;
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frame_time = (float)frame_size / (sample_rate / 1000);
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return frame_time;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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