public/drive-os-linux-sdk-api-ref/nvavtp_8h_source.html

/* Copyright (c) 2015-2016, NVIDIA CORPORATION.  All rights reserved.

 *

 * NVIDIA CORPORATION and its licensors retain all intellectual property

 * and proprietary rights in and to this software, related documentation

 * and any modifications thereto.  Any use, reproduction, disclosure or

 * distribution of this software and related documentation without an express

 * license agreement from NVIDIA CORPORATION is strictly prohibited.

 */

#ifndef _NVAVTP_H_

#define _NVAVTP_H_


#ifdef __cplusplus

extern "C" {

#endif


typedef unsigned char         U8;                    // 8-bit

typedef unsigned short        U16;                   // 16-bit

typedef unsigned int          U32;                   // 32-bit

typedef unsigned long long    U64;                   // 64-bit

typedef signed char           S8;

typedef signed short          S16;

typedef signed int            S32;

typedef signed long long      S64;


typedef enum tagNvAvtpSubHeaderType {

    eNvAudio,

    eNvMpegts,

    eNvAAF,

    eNvCRF,

    eNvRawVideo,

    eNvCvf

} ENvAvtpSubHeaderType;


typedef enum tagNvAvtpStatus {

    eNvAvtpSuccess,

    eNvAvtpFail,

    eNvAvtpInvalidPointer,

    eNvAvtpAllocError,

    eNvAvtpUnsupported,

    eNvAvtpInvalidParam

} ENvAvtpStatus;


typedef enum tagNvAvtpBool {

    eNvAvtpFalse,

    eNvAvtpTrue

}ENvAvtpBool;


typedef struct __attribute__ ((packed)) tagNvAvtp1722Header {

    U64 subType:8;

    U64 timestampValid:1;

    U64 fsd:2;

    U64 mediaClockRestart:1;

    U64 version:3;

    U64 streamidValid:1;

    U64 sequenceNum:8;

    U64 timestampUncertain:1;

    U64 fsd1:7;

    U64 streamId;

    U64 avtpTimestamp:32;

    U64 fsd2:32;

    U64 streamDataLength:16;

} NvAvtp1722Header;


typedef struct __attribute__ ((packed)) tagNvAvtp618836Fsd3Hdr {

    U16 packetChannel:6;

    U16 formatTag:2;

    U16 syAppControl:4;

    U16 packetTcode:4;

    U16 sourceId:6;

    U16 reserved0:2;

    U16 dataBlockSize:8;

    U16 rsv:2;

    U16 sourcePacketHeader:1;

    U16 quadletPaddingCount:3;

    U16 fractionNumber:2;

    U16 dataBlockContinuity:8;

    U16 formatId:6;

    U16 reserved1:2;

    U16 formatDependentField:8;

    U16 syt;

} NvAvtp618836Fsd3Hdr;


typedef struct __attribute__ ((packed)) tagNvAvtp618834Fsd3Hdr {

    U16 packetChannel:6;

    U16 formatTag:2;

    U16 syAppControl:4;

    U16 packetTcode:4;

    U16 sourceId:6;

    U16 reserved0:2;

    U16 dataBlockSize:8;

    U16 rsv:2;

    U16 sourcePacketHeader:1;

    U16 quadletPaddingCount:3;

    U16 fractionNumber:2;

    U16 dataBlockContinuity:8;

    U16 formatId:6;

    U16 reserved1:2;

    U32 formatDependentField:24;

} NvAvtp618834Fsd3Hdr;


typedef struct __attribute__ ((packed)) tagNvAvtpCvfFsd2Hdr {

    U64 format:8;

    U64 format_subtype:8;

    U64 reserved:16;

} NvAvtpCvfFsd2Hdr;


typedef struct __attribute__ ((packed)) tagNvAvtpCvfFsd3Hdr {

    U8  rsv1:3;

    U8  M:1;

    U8  evt:4;

    U8  reserved1:8;

    U16 reserved2:16;

    U16 reserved3:16;

} NvAvtpCvfFsd3Hdr;


typedef struct __attribute__ ((packed)) tagNvAvtpCvfH264PayloadHdr {

    U8  payload_type:5;

    U8  nri:2;

    U8  forbidden_bit:1;

    U8  nalu_type:5;

    U8  rsv2:1;

    U8  end_bit:1;

    U8  start_bit:1;

} NvAvtpH264PayloadHdr;


typedef struct __attribute__ ((packed)) tagNvAvtp1722AAFFsd2 {

    U16 format:8;

    U16 channelsPerFrame_H2:2;

    U16 reserved:2;

    U16 nominalSampleRate:4;

    U16 channelsPerFrame_L8:8;

    U16 bitDepth:8;

} NvAvtp1722AAFFsd2;


typedef struct __attribute__ ((packed)) tagNvAvtp1722AAFFsd3Hdr {

    U16 evt:4;

    U16 sp:1;

    U16 reserved1:3;

    U16 reserved2:8;

} NvAvtp1722AAFFsd3Hdr;


typedef struct tagNvAvtpEthernetHeader {

    U8 destAddr[6];

    U8 srcAddr[6];

    U8 vtag[4];

    U8 etherType[2];

} NvAvtpEthernetHeader;


typedef struct __attribute__ ((packed)) tagNvAvtpCRFHeader {

    U8  timingUncertain:1;

    U8  clockSync:1;

    U8  reservedBit:1;

    U8  mediaClockRestart:1;

    U8  version:3;

    U8  streamIDValid:1;

    U8  sequenceNum:8;

    U8  CRFType:8;

    U64 streamID:64;

    U8  baseFrequencyHighBits:5;

    U8  pull:3;

    U8  baseFrequencyMidBits;

    U16 baseFrequencyLowBits;

    U16 CRFDataLength:16;

    U16 timestampInterval:16;

} NvAvtpCRFHeader;


#define NVAVTP_ETH_INT_MAX 64


typedef struct tagNvAvtpInputParams {

    char                         interface[NVAVTP_ETH_INT_MAX];

    ENvAvtpBool                   bAvtpDepacketization;

    ENvAvtpSubHeaderType        eDataType;

} NvAvtpInputParams;


typedef struct tagNvAvtp1722AAFParams {

    U8 format;

    U32 bitFormat;

    U16 channelsPerFrame;

    U32 samplingRate;

    U32 bitDepth;

    ENvAvtpBool sparseTimestamp;

    U8 bytesPerSample;

} NvAvtp1722AAFParams;


typedef struct tagNvAvtpCRFParams {

    U8  type;

    U32 dataLength;

    U16 timestampInterval;

    U32 frequency;

    U64 streamID;

} NvAvtpCRFParams;


#define NV_AVTP_ETHERNET_HEADER_SIZE sizeof(NvAvtpEthernetHeader)

#define NV_AVTP_ETHERNET_HEADER_WITHOUT_QTAG_SIZE (sizeof(NvAvtpEthernetHeader) - 4)

#define NV_AVTP_1722_HEADER_SIZE sizeof(NvAvtp1722Header)

#define NV_AVTP_CRF_HEADER_SIZE sizeof(NvAvtpCRFHeader)

#define NV_AVTP_61883_6_FSD3_HEADER_SIZE sizeof(NvAvtp618836Fsd3Hdr)

#define NV_AVTP_61883_4_FSD3_HEADER_SIZE sizeof(NvAvtp618834Fsd3Hdr)

#define NV_AVTP_1722_AAF_FSD3_HEADER_SIZE sizeof(NvAvtp1722AAFFsd3Hdr)

#define NV_AVTP_1722_61883_HEADER_SIZE 8

#define NV_AVTP_CVF_FSD3_HEADER_SIZE sizeof(NvAvtpCvfFsd3Hdr)

#define NV_AVTP_H264_PAYLOAD_HEADER_SIZE sizeof(NvAvtpH264PayloadHdr)


#define NVAVTP_TSP_SIZE 188

#define NV_AVTP_MPEGTS_MAX_TS_PER_PKT 7

#define NV_AVTP_ETHER_TYPE_OFFSET 12

#define NVAVTP_ETH_INT_MAX 64


typedef void *NvAvtpContextHandle;


ENvAvtpStatus

NvAvtpInit(

    NvAvtpInputParams *pNvAvtpInpParams,

    NvAvtpContextHandle *phContext);


ENvAvtpStatus

NvAvtpDeinit(

    NvAvtpContextHandle hContext);


ENvAvtpStatus

NvAvtpSetStaticAvtpHeader(

    NvAvtpContextHandle hContext,

    U8 *pPacket);


ENvAvtpStatus

NvAvtpSetPacketSize(

    NvAvtpContextHandle hContext,

    U16 numSampleUnits);


U32

NvAvtpGetPacketSize(

    NvAvtpContextHandle hContext);


ENvAvtpStatus

NvAvtpSetDestAdd(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    U8 *pDestAddr);


ENvAvtpStatus

NvAvtpSetSrcAdd(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    U8 *pSrcAddr);


ENvAvtpStatus

NvAvtpSetQTagFields(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    U32 priority,

    U32 vid);


ENvAvtpStatus

NvAvtpSetSIDValid(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    U8 sidValid);


ENvAvtpStatus

NvAvtpSetStreamID(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    U8 *stream_id);


ENvAvtpStatus

NvAvtpGetCurrentGptpTimeStamp(

NvAvtpContextHandle hContext,

U32 *pPtpTime);


ENvAvtpStatus

NvAvtpSetDynamicAvtpHeader(

    NvAvtpContextHandle hContext,

    U8 *pPacket);


ENvAvtpStatus

NvAvtpFillDataPayload(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    U8 *pPayload,

    U16 numSample);


U32

NvAvtpGetTimeStamp(

    NvAvtpContextHandle hContext,

    U8 *pPacket);


U8

NvAvtpGetSequenceNum(

    NvAvtpContextHandle hContext,

    U8 *pPacket);


U64

NvAvtpGetStreamId(

    NvAvtpContextHandle hContext,

    U8 *pPacket);


ENvAvtpStatus

NvAvtpGetStreamLength(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    U32 *streamLength);


ENvAvtpStatus

NvAvtpExtractDataPayload(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    U8 *pPayload);


ENvAvtpBool

NvAvtpIs1722Packet(

    U8 *pPacket);


ENvAvtpStatus

NvAvtpGetAAFParams(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    NvAvtp1722AAFParams  *pAvtp1722AAFParameters);


ENvAvtpStatus

NvAvtpParseAAFHeaders(

    NvAvtpContextHandle hContext,

    U8 *pPacket);


ENvAvtpStatus

NvAvtpSetAAFParams(

    NvAvtpContextHandle hContext,

    NvAvtp1722AAFParams  *pAvtp1722AAFParameters);


ENvAvtpStatus

NvAvtpSetAAFDefaultParams(

    NvAvtpContextHandle hContext);


ENvAvtpStatus

NvAvtpSetStaticAAFHeader(

    NvAvtpContextHandle hContext,

    U8 *pPacket);


ENvAvtpStatus

NvAvtpParseAvtpPacket(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    ENvAvtpSubHeaderType *peDataType);


ENvAvtpStatus

NvAvtpGetMpegtsDataPayloadSize(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    U32 *dataPayloadSize);


ENvAvtpStatus

NvAvtpGetCvfDataPayloadSize(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    U32 *dataPayloadSize);


ENvAvtpStatus

NvAvtpGetAudioDataPayloadSize(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    U32 *dataPayloadSize);


ENvAvtpStatus

NvAvtpGetCRFParams(

    NvAvtpContextHandle hContext,

    U8 *pPacket,

    NvAvtpCRFParams  *pAvtpCRFParameters);


#endif