Specify the targeted encoding frame size. (use {0,0} for same size as detected at input)

• Type: INT[2]
• Range: Depends on profile level
• Default: {0, 0}

Specify the input picture dimension. (INT[0]:Width, INT[1]:Height)

• Type: For Dshow: NA (Query Parameter)
• Range: NA
• Default: NA

• Type: For C-lib: INT[2]
• Range: + ve integer
• Default: {0, 0}

Specify the display aspect ratio. Encoder does not perform aspect ratio conversion. This should match the display aspect ratio of the input.

• Type: For Dshow: FLOAT (if not custom) NVVE_AspectRatio Params* (if custom) To specify width, height,  type ( DAR/SAR )
• Range: For Dshow: 4.0f/3.0f, 16.0f/9.0f, 1 . 0 f, custom
• Default: For Dshow: 4 . 0 f/3.0f

• Type: For C-lib: INT[3] {width, height, aspect_ ratio_type} Aspect_ratio_ type is of the type enum NVVE_ASPECT_ RATIO_TYPE (DAR/SAR)*
• Range: For C-lib: Array members should be integers >=0 For SAR, width and height values should be unsigned 16 bit integers as per ISO14496- 10
• Default: For C-lib: {4, 3, 0}, correspondin g to 4:3 DAR

Specify if the frame or field encoding mode is used (H.264 only).

• Type:NVVE_FIELD _MODE*
• Range:MODE_FRAME, MODE_TOP_FIELD_ FIRST, MODE_BOTTOM_FIELD_FIRST
• Default:MODE_F RAME

This sets the distance of one P picture from the previous P picture. e.g. for IBBPBBP, set the value as 3 (H.264 only).

• Type: INT
• Range: 1-17
• Default: 1

This is the IDR period for H264.

• Type: INT
• Range: +ve integer > = 1
• Default: 15

The GOP structure is determined dynamically by the encoder (H.264 only). (does not take effect in V1.0)

• Type: INT
• Range: 0: disable 1: enable
• Default: 0

The rate control type.

• Type:NVVE_RC _TYPE*
• Range: For H.264: RC_CQP,RC_VBR, RC_CBR,RC_VBR_MINQP. For VC-1: RC_CBR
• Default:RC_VBR (H.264) RC_CBR (VC-1)

The average bit rate in bps is the target bit rate used for VBR rate control.

• Type: INT
• Range: + ve integer
• Default: 6000000

The maximum bit rate in bps is the peak bit rate used for VBR rate control.

• Type: INT
• Range: + ve integer
• Default: 6200000

The QP level for inter P pictures. [Note: The QP will be clipped by the encoder if it exceeds the supported QP range].

For RC_VBR_MINQP rate control mode this parameter to be interpreted as min QP for inter P pictures (H.264 only).

• Type: INT
• Range: +ve integer, (0: default)
• Default: 28

The QP level for inter B pictures. [Note: The QP will be clipped by the encoder if it exceeds the supported QP range].

For RC_VBR_MINQPrate control mode this parameter to be interpreted as min QP for inter B pictures (H.264 only).

• Type: INT
• Range: +ve integer, (0: default)
• Default: 28

The QP level for intra pictures. [Note: The QP will be clipped by the encoder if it exceeds the supported QP range].

For RC_VBR_MINQPrate control mode this parameter to be interpreted as min QP for intra pictures (H.264 only).

• Type: INT
• Range: +ve integer, (0: default)
• Default: 28

Output frame rate (should be same as input frame rate).

No frame rate conversion is performed if the output frame rate is not the same as the input frame rate.

• Type: For DShow: NVVEFrame Rate*If NVVE_FRAME_RATE_NUMDEN, then specify using NVVE_FrameRate Descriptor *
• Range: For DShow: as per enum. If NVVE_FRAME_RATE_NUMDEN, then Numerator >=0Denominator >0
• Default: For DShow: 29.97

• Type: For C-Iib: INT[2] {numerator, denominator}
• Range: For C-Iib: Numerator >=0. Denominator >0
• Default: For C-lib: {30000, 1001}

Enable or disable de-blocking mode. This is only valid for H.264 (H.264 only).

• Type: INT
• Range: 0: disable, 1: enable
• Default: 1

Set the profile and level information.

Level Setting: Other encoding parameters should be conformant to the level to avoid later failure at initialization.

• Type: INT
• Range: For H.264
  • Byte 0: 0x42:Baseline, 0x4d:Main, 0x64:High
  • Byte 1: 0xff:auto select level. 10(0x0a), 11(0x0b), 12(0x0c), 13(0x0d),20(0x14), 21(0x15), 22(0x16), 30(0x1e), 31(0x1f), 32(0x20), 40(0x28), 41(0x29),42(0x2a), 50(0x32), 51(0x33): For Level 1.0, 1.1, 1.2, 1.3, 2.0,2.1, 2.2, 3.0, 3.1, 3.2,4.0, 4.1, 4.2,  5.0, 5.1
  • Byte2,3: reserved
• Default: 0xff42

Force generation of an intra frame (H.264 only).

• Type: INT
• Range: 1
• Default: NA

Force generation of an IDR (H.264 only).

• Type: INT
• Range: 1
• Default: NA

Clear the statistics values (H.264 only).

• Type: INT
• Range: 1
• Default: NA

Set the deinterlace algorithm ( H.264 only).

• Type:NVVE_DI_MODE*
• Range:DI_OFF, DI_MEDIAN
• Default:DI_MEDIAN

Set the encoding parameters according to the presets required for supported encoding targets (H.264 only).

• Type:NVVE_ PRESETS _TARGET*
• Range:PSP, iPOD, AVCHD, BD, HDV_1440
• Default: NA

Enable or disable CABAC (H.264 only).

• Type: INT
• Range: 0: enable, 1: disable
• Default: 0

Configures the NAL unit framing type (H.264 only).

• Type: INT
• Range: 0: 0: start codes. 1, 2, 4: length prefixed NAL units of size 1, 2, or 4 bytes
• Default: 0

Enable or disable including sequence parameter set/picture parameter set ( SPS/PPS ) information in bitstream (H.264 only).

• Type: INT
• Range: 0: enable, 1: disable
• Default: 0

Sets the number of slices per picture. Setting this to non-zero value will set the slice number per picture. If it is set to zero, the encoder will use its own default settings (H.264 only).  

Recommended settings for different output resolutions:

<= 400x256 : 1

>= 400x256 and < 640x480 : 2

> 640x480 : 4

• Type: INT
• Range: >=0
• Default: 0, (decided by encoder)

Sets the GPU offload level. Applicable only to select GPUs and Codec.

• Type:NVVE_GPUOffloadLevel
• Range: Default, Estimators, All
• Default: Default

Consider multi GPU usage if found suitable for the platform and codec.

• Type: INT
• Range: 1: consider, 0: don’t consider
• Default: 1: consider

Force encoding on a particular GPU in the system.

• Type: INT
• Range: -1: default, n: GPU ordinal number
• Default: - 1: default

Input frame is provided to encoder in device memory.

For Dshow: The input frame CUDA device memory pointer (CUdeviceptr) should be passed in the data pointer (type casted) of the input sample to the filter.

For Clib: The input frame CUDA device memory pointer (CUdeviceptr) should be passed in the pData pointer (type casted) of the NVEncodeFrame() API. In this case the buffer pointer  in NVVE_EncodeFrameParams is ignored

• Type: INT
• Range: 0 : system memory input, 1: device memory input
• Default: 0: system memory input

Provide video context lock for device memory input.

• Type:CUvideoctxlock
• Range: Handle to be obtained from NVCUVID APIs
• Default: NA