sources/includes/nvbufaudio.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2020-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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 _NVBUFAUDIO_H_
#define _NVBUFAUDIO_H_
 
#include <stdint.h>
#include <stdbool.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
#define RESERVED_BYTES 16
 
typedef enum
{
    NVBUF_AUDIO_INVALID_FORMAT,
    NVBUF_AUDIO_S8,
    NVBUF_AUDIO_U8,
    NVBUF_AUDIO_S16LE,
    NVBUF_AUDIO_S16BE,
    NVBUF_AUDIO_U16LE,
    NVBUF_AUDIO_U16BE,
    NVBUF_AUDIO_S24_32LE,
    NVBUF_AUDIO_S24_32BE,
    NVBUF_AUDIO_U24_32LE,
    NVBUF_AUDIO_U24_32BE,
    NVBUF_AUDIO_S32LE,
    NVBUF_AUDIO_S32BE,
    NVBUF_AUDIO_U32LE,
    NVBUF_AUDIO_U32BE,
    NVBUF_AUDIO_S24LE,
    NVBUF_AUDIO_S24BE,
    NVBUF_AUDIO_U24LE,
    NVBUF_AUDIO_U24BE,
    NVBUF_AUDIO_S20LE,
    NVBUF_AUDIO_S20BE,
    NVBUF_AUDIO_U20LE,
    NVBUF_AUDIO_U20BE,
    NVBUF_AUDIO_S18LE,
    NVBUF_AUDIO_S18BE,
    NVBUF_AUDIO_U18LE,
    NVBUF_AUDIO_U18BE,
    NVBUF_AUDIO_F32LE,
    NVBUF_AUDIO_F32BE,
    NVBUF_AUDIO_F64LE,
    NVBUF_AUDIO_F64BE
} NvBufAudioFormat;
 
typedef enum
{
    NVBUF_AUDIO_INVALID_LAYOUT,
    NVBUF_AUDIO_INTERLEAVED, 
    NVBUF_AUDIO_NON_INTERLEAVED, 
} NvBufAudioLayout;
 
typedef struct
{
    NvBufAudioLayout layout;
    NvBufAudioFormat format;
    uint32_t         bpf;      
    uint32_t         channels; 
    uint32_t         rate;     
    uint32_t         dataSize;
    void*            dataPtr;
    uint32_t         padId;
    uint32_t         sourceId;
    uint64_t         ntpTimestamp;
    uint64_t         bufPts;
    uint64_t         duration;
 
    uint8_t reserved[RESERVED_BYTES];
} NvBufAudioParams;
 
typedef struct
{
    uint32_t           numFilled;
    uint32_t           batchSize;
    bool               isContiguous;
    NvBufAudioParams*  audioBuffers;
} NvBufAudio;
#ifdef __cplusplus
}
#endif
 
#endif