1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #ifndef AUDIO_COMMON_H
17 #define AUDIO_COMMON_H
18 #include <securec.h>
19 #include "audio_internal.h"
20 #include "osal_time.h"
21 namespace OHOS::HDI::Audio_Bluetooth {
AudioMemFree(void ** ppMem)22 void AudioMemFree(void **ppMem)
23 {
24 if ((ppMem != NULL) && ((*ppMem) != NULL)) {
25 free(*ppMem);
26 *ppMem = NULL;
27 }
28 return;
29 }
30
AudioGetSysTime(char * s,int32_t len)31 int32_t AudioGetSysTime(char *s, int32_t len)
32 {
33 OsalTimespec time;
34 if (s == NULL) {
35 return -1;
36 }
37 OsalGetTime(&time);
38 s[0] = 0;
39 int32_t ret = snprintf_s(s, len, len - 1, "[%llu.%llu]", time.sec, time.usec);
40 return ret;
41 }
42
CheckAttrSamplingRate(uint32_t param)43 int32_t CheckAttrSamplingRate(uint32_t param)
44 {
45 switch (param) {
46 case TELHPONE_RATE:
47 case BROADCAST_AM_RATE:
48 case BROADCAST_FM_RATE:
49 case MINI_CAM_DV_RATE:
50 case MUSIC_RATE:
51 case HIGHT_MUSIC_RATE:
52 case AUDIO_SAMPLE_RATE_12000:
53 case AUDIO_SAMPLE_RATE_16000:
54 case AUDIO_SAMPLE_RATE_24000:
55 case AUDIO_SAMPLE_RATE_64000:
56 case AUDIO_SAMPLE_RATE_96000:
57 return HDF_SUCCESS;
58 default:
59 return HDF_ERR_NOT_SUPPORT;
60 }
61 }
62
CheckAttrFormat(AudioFormat param)63 int32_t CheckAttrFormat(AudioFormat param)
64 {
65 switch (param) {
66 case AUDIO_FORMAT_TYPE_PCM_8_BIT:
67 case AUDIO_FORMAT_TYPE_PCM_16_BIT:
68 case AUDIO_FORMAT_TYPE_PCM_24_BIT:
69 case AUDIO_FORMAT_TYPE_PCM_32_BIT:
70 case AUDIO_FORMAT_TYPE_AAC_MAIN:
71 case AUDIO_FORMAT_TYPE_AAC_LC:
72 case AUDIO_FORMAT_TYPE_AAC_LD:
73 case AUDIO_FORMAT_TYPE_AAC_ELD:
74 case AUDIO_FORMAT_TYPE_AAC_HE_V1:
75 case AUDIO_FORMAT_TYPE_AAC_HE_V2:
76 break;
77 default:
78 return HDF_ERR_NOT_SUPPORT;
79 }
80 return HDF_SUCCESS;
81 }
82
AudioCheckParaAttr(const struct AudioSampleAttributes * attrs)83 int32_t AudioCheckParaAttr(const struct AudioSampleAttributes *attrs)
84 {
85 if (attrs == NULL) {
86 return HDF_FAILURE;
87 }
88 int32_t ret;
89 AudioCategory audioCategory = attrs->type;
90 if (AUDIO_IN_MEDIA != audioCategory && AUDIO_IN_COMMUNICATION != audioCategory) {
91 return HDF_ERR_NOT_SUPPORT;
92 }
93 AudioFormat audioFormat = attrs->format;
94 ret = CheckAttrFormat(audioFormat);
95 if (ret < 0) {
96 return ret;
97 }
98 uint32_t sampleRateTemp = attrs->sampleRate;
99 return CheckAttrSamplingRate(sampleRateTemp);
100 }
101
TimeToAudioTimeStamp(uint64_t bufferFrameSize,struct AudioTimeStamp * time,uint32_t sampleRate)102 int32_t TimeToAudioTimeStamp(uint64_t bufferFrameSize, struct AudioTimeStamp *time, uint32_t sampleRate)
103 {
104 if (time == NULL) {
105 return HDF_FAILURE;
106 }
107 time->tvSec += (int64_t)bufferFrameSize / (int64_t)sampleRate;
108 int64_t lastBufFrames = bufferFrameSize % ((int64_t)sampleRate);
109 time->tvNSec += (lastBufFrames * SEC_TO_NSEC) / ((int64_t)sampleRate);
110 if (time->tvNSec >= SEC_TO_NSEC) {
111 time->tvSec += 1;
112 time->tvNSec -= SEC_TO_NSEC;
113 }
114 return HDF_SUCCESS;
115 }
116 }
117 #endif