nvmedia_drm.h

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/*
 * Copyright (c) 2017-2019, NVIDIA CORPORATION. All rights reserved. All
 * information contained herein is proprietary and confidential to NVIDIA
 * Corporation.  Any use, reproduction, or disclosure without the written
 * permission of NVIDIA Corporation is prohibited.
 */


#ifndef NVMEDIA_DRM_H
#define NVMEDIA_DRM_H

#ifdef __cplusplus
extern "C" {
#endif

#include "nvmedia_common.h"
#include "nvmedia_core.h"

#define NVMEDIA_MAX_NALS 32

typedef enum {
    NvMDRM_Netflix = 0,
    NvMDRM_Widevine = 1,
    NvMDRM_Ultraviolet,
    NvMDRM_Piff,
    NvMDRM_Marlin,
    NvMDRM_PiffCbc,
    NvMDRM_PiffCtr,
    NvMDRM_MarlinCbc,
    NvMDRM_MarlinCtr,
    NvMDRM_WidevineCtr,
    NvMDRM_Clear = 0xf,
    NvMDRM_ClearAsEncrypted,
    NvMDRM_None
} NvMediaDRMType;

typedef struct
{
    NvMediaBool   enableEncryption;
    uint32_t      uDrmMode;
    uint32_t      InitVector[NVMEDIA_MAX_NALS][4];
    uint32_t      IvValid[NVMEDIA_MAX_NALS];
    uint32_t      uBytesOfEncryptedData;
    uint32_t      uEncryptBlkCnt;
    uint32_t      uSkipBlkCnt;
    uint32_t      uNumNals;
    uint32_t      KeySlotNumber;
    uint32_t      BOED[NVMEDIA_MAX_NALS];
    uint32_t      BOCD[NVMEDIA_MAX_NALS];
    uint32_t      *AesPass1OutputBuffer;
    uint32_t      non_slice_data;
}NvMediaEncryptParams;

typedef struct {
    uint32_t  uClearHeaderSize;
    uint8_t  *pClearHeaderPtr;
    uint32_t *pAesPass1OutputBuffer;
} NvMediaAESMetaData;

typedef struct {
    uint8_t         IV[16];
    NvMediaBool     bIvValid;
} NvMediaAESIv;

typedef struct _NvMediaAESParams
{
    uint32_t uDrmMode;
    uint8_t  *pIV;
    uint32_t uEncryptBlkCnt;
    uint32_t uSkipBlkCnt;
    uint32_t KeySlotNumber;
    uint32_t *pBOED;
    uint32_t *pBOCD;
    uint32_t uMetadataCount;
    uint32_t uNonAlignedOffset;
    NvMediaAESIv IvSet[NVMEDIA_MAX_NALS];
} NvMediaAESParams;

#define NVMEDIA_VIDEO_DECRYPT_PROFILING             (1<<0)

typedef struct {
    NvMediaVideoCodec eCodec;
    uint32_t  hwClockValue;
} NvMediaVideoDecrypter;

NvMediaVideoDecrypter *
NvMediaVideoDecrypterCreate (
    NvMediaVideoCodec codec,
    uint32_t maxBitstreamSize,
    uint32_t flags,
    NvMediaDecoderInstanceId instanceId
);

void
NvMediaVideoDecrypterDestroy(
    const NvMediaVideoDecrypter *pDecrypter
);


NvMediaStatus
NvMediaVideoDecryptHeader(
    const NvMediaVideoDecrypter *pDecrypter,
    const void *pictureData,
    const NvMediaBitstreamBuffer *pBitstream,
    NvMediaDecoderInstanceId instanceId
);


NvMediaStatus
NvMediaVideoGetClearHeader(
    NvMediaVideoDecrypter *pDecrypter,
    void *pictureData
);

#ifdef __cplusplus
};     /* extern "C" */
#endif

#endif /* NVMEDIA_DRM_H */