/* * Copyright (c) 2021 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef AUDIO_COMMON_H #define AUDIO_COMMON_H #include #include "audio_internal.h" #include "osal_time.h" namespace OHOS::HDI::Audio_Bluetooth { void AudioMemFree(void **ppMem) { if ((ppMem != NULL) && ((*ppMem) != NULL)) { free(*ppMem); *ppMem = NULL; } return; } int32_t AudioGetSysTime(char *s, int32_t len) { OsalTimespec time; if (s == NULL) { return -1; } OsalGetTime(&time); s[0] = 0; int32_t ret = snprintf_s(s, len, len - 1, "[%llu.%llu]", time.sec, time.usec); return ret; } int32_t CheckAttrSamplingRate(uint32_t param) { switch (param) { case TELHPONE_RATE: case BROADCAST_AM_RATE: case BROADCAST_FM_RATE: case MINI_CAM_DV_RATE: case MUSIC_RATE: case HIGHT_MUSIC_RATE: case AUDIO_SAMPLE_RATE_12000: case AUDIO_SAMPLE_RATE_16000: case AUDIO_SAMPLE_RATE_24000: case AUDIO_SAMPLE_RATE_64000: case AUDIO_SAMPLE_RATE_96000: return HDF_SUCCESS; default: return HDF_ERR_NOT_SUPPORT; } } int32_t CheckAttrFormat(AudioFormat param) { switch (param) { case AUDIO_FORMAT_TYPE_PCM_8_BIT: case AUDIO_FORMAT_TYPE_PCM_16_BIT: case AUDIO_FORMAT_TYPE_PCM_24_BIT: case AUDIO_FORMAT_TYPE_PCM_32_BIT: case AUDIO_FORMAT_TYPE_AAC_MAIN: case AUDIO_FORMAT_TYPE_AAC_LC: case AUDIO_FORMAT_TYPE_AAC_LD: case AUDIO_FORMAT_TYPE_AAC_ELD: case AUDIO_FORMAT_TYPE_AAC_HE_V1: case AUDIO_FORMAT_TYPE_AAC_HE_V2: break; default: return HDF_ERR_NOT_SUPPORT; } return HDF_SUCCESS; } int32_t AudioCheckParaAttr(const struct AudioSampleAttributes *attrs) { if (attrs == NULL) { return HDF_FAILURE; } int32_t ret; AudioCategory audioCategory = attrs->type; if (AUDIO_IN_MEDIA != audioCategory && AUDIO_IN_COMMUNICATION != audioCategory) { return HDF_ERR_NOT_SUPPORT; } AudioFormat audioFormat = attrs->format; ret = CheckAttrFormat(audioFormat); if (ret < 0) { return ret; } uint32_t sampleRateTemp = attrs->sampleRate; return CheckAttrSamplingRate(sampleRateTemp); } int32_t TimeToAudioTimeStamp(uint64_t bufferFrameSize, struct AudioTimeStamp *time, uint32_t sampleRate) { if (time == NULL) { return HDF_FAILURE; } time->tvSec += (int64_t)bufferFrameSize / (int64_t)sampleRate; int64_t lastBufFrames = bufferFrameSize % ((int64_t)sampleRate); time->tvNSec += (lastBufFrames * SEC_TO_NSEC) / ((int64_t)sampleRate); if (time->tvNSec >= SEC_TO_NSEC) { time->tvSec += 1; time->tvNSec -= SEC_TO_NSEC; } return HDF_SUCCESS; } } #endif