Detailed Description
Holds rate control configuration parameters.
Definition at line 97 of file nvmedia_common_encode.h.
Data Fields | |
| NvMediaEncodeParamsRCMode | rateControlMode |
| Holds the rate control mode. More... | |
| uint32_t | numBFrames |
| Specified number of B frames between two reference frames. More... | |
| union { | |
| struct { | |
| uint32_t averageBitRate | |
| Holds the average bitrate (in bits/sec) used for encoding. More... | |
| uint32_t vbvBufferSize | |
| Holds the VBV(HRD) buffer size, in bits. More... | |
| uint32_t vbvInitialDelay | |
| Holds the VBV(HRD) initial delay in bits. More... | |
| } cbr | |
| Parameters for NVMEDIA_ENCODE_PARAMS_RC_CBR mode. More... | |
| struct { | |
| NvMediaEncodeQP constQP | |
| Holds the initial QP to be used for encoding, these values would be used for all frames in Constant QP mode. More... | |
| } const_qp | |
| Parameters for NVMEDIA_ENCODE_PARAMS_RC_CONSTQP mode. More... | |
| struct { | |
| uint32_t averageBitRate | |
| Holds the average bitrate (in bits/sec) used for encoding. More... | |
| uint32_t maxBitRate | |
| Holds the maximum bitrate for the encoded output. More... | |
| uint32_t vbvBufferSize | |
| Holds the VBV(HRD) buffer size, in bits. More... | |
| uint32_t vbvInitialDelay | |
| Holds the VBV(HRD) initial delay in bits. More... | |
| } vbr | |
| Parameters for NVMEDIA_ENCODE_PARAMS_RC_VBR mode. More... | |
| struct { | |
| uint32_t averageBitRate | |
| Holds the average bitrate (in bits/sec) used for encoding. More... | |
| uint32_t maxBitRate | |
| Holds the maximum bitrate for the encoded output. More... | |
| uint32_t vbvBufferSize | |
| Holds the VBV(HRD) buffer size, in bits. More... | |
| uint32_t vbvInitialDelay | |
| Holds the VBV(HRD) initial delay in bits. More... | |
| NvMediaEncodeQP minQP | |
| Holds the minimum QP used for rate control. More... | |
| } vbr_minqp | |
| Parameters for NVMEDIA_ENCODE_PARAMS_RC_VBR_MINQP mode. More... | |
| struct { | |
| uint32_t averageBitRate | |
| Holds the average bitrate (in bits/sec) used for encoding. More... | |
| uint32_t vbvBufferSize | |
| Holds the VBV(HRD) buffer size, in bits. More... | |
| uint32_t vbvInitialDelay | |
| Holds the VBV(HRD) initial delay in bits. More... | |
| NvMediaEncodeQP minQP | |
| Holds the minimum QP used for rate control. More... | |
| } cbr_minqp | |
| Parameters for NVMEDIA_ENCODE_PARAMS_RC_CBR_MINQP mode. More... | |
| } | params |
| Rate Control parameters. More... | |
| NvMediaBool | bConstFrameQP |
| Use constant QP at frame level or MB row level. More... | |
| int8_t | maxSessionQP |
| Holds the max QP for encoding session when external picture RC hint is used. More... | |
| int8_t | reserved [3] |
Field Documentation
◆ averageBitRate
| uint32_t NvMediaEncodeRCParams::averageBitRate |
Holds the average bitrate (in bits/sec) used for encoding.
Definition at line 106 of file nvmedia_common_encode.h.
◆ bConstFrameQP
| NvMediaBool NvMediaEncodeRCParams::bConstFrameQP |
Use constant QP at frame level or MB row level.
Value range: One of the following:
- NVMEDIA_TRUE for constant QP at frame level.
- NVMEDIA_FALSE for constant QP at MB row level.
- Note
- This field is taken into consideration when the rate control mode is anything other than constQP.
Definition at line 172 of file nvmedia_common_encode.h.
◆ cbr
| struct { ... } NvMediaEncodeRCParams::cbr |
Parameters for NVMEDIA_ENCODE_PARAMS_RC_CBR mode.
◆ cbr_minqp
| struct { ... } NvMediaEncodeRCParams::cbr_minqp |
Parameters for NVMEDIA_ENCODE_PARAMS_RC_CBR_MINQP mode.
◆ const_qp
| struct { ... } NvMediaEncodeRCParams::const_qp |
Parameters for NVMEDIA_ENCODE_PARAMS_RC_CONSTQP mode.
◆ constQP
| NvMediaEncodeQP NvMediaEncodeRCParams::constQP |
Holds the initial QP to be used for encoding, these values would be used for all frames in Constant QP mode.
Definition at line 119 of file nvmedia_common_encode.h.
◆ maxBitRate
| uint32_t NvMediaEncodeRCParams::maxBitRate |
Holds the maximum bitrate for the encoded output.
Definition at line 125 of file nvmedia_common_encode.h.
◆ maxSessionQP
| int8_t NvMediaEncodeRCParams::maxSessionQP |
Holds the max QP for encoding session when external picture RC hint is used.
- Note
- This feature is not supported.
Definition at line 181 of file nvmedia_common_encode.h.
◆ minQP
| NvMediaEncodeQP NvMediaEncodeRCParams::minQP |
Holds the minimum QP used for rate control.
Definition at line 149 of file nvmedia_common_encode.h.
◆ numBFrames
| uint32_t NvMediaEncodeRCParams::numBFrames |
Specified number of B frames between two reference frames.
Value range: The values between 0 to 10, in increments of 1.
Definition at line 102 of file nvmedia_common_encode.h.
◆ params
| union { ... } NvMediaEncodeRCParams::params |
Rate Control parameters.
◆ rateControlMode
| NvMediaEncodeParamsRCMode NvMediaEncodeRCParams::rateControlMode |
Holds the rate control mode.
Definition at line 99 of file nvmedia_common_encode.h.
◆ reserved
| int8_t NvMediaEncodeRCParams::reserved[3] |
Definition at line 182 of file nvmedia_common_encode.h.
◆ vbr
| struct { ... } NvMediaEncodeRCParams::vbr |
Parameters for NVMEDIA_ENCODE_PARAMS_RC_VBR mode.
◆ vbr_minqp
| struct { ... } NvMediaEncodeRCParams::vbr_minqp |
Parameters for NVMEDIA_ENCODE_PARAMS_RC_VBR_MINQP mode.
◆ vbvBufferSize
| uint32_t NvMediaEncodeRCParams::vbvBufferSize |
Holds the VBV(HRD) buffer size, in bits.
Set to 0 (zero) to automatically determine the right VBV buffer size as per tier and level limits specified in the relevant coding standard.
Definition at line 111 of file nvmedia_common_encode.h.
◆ vbvInitialDelay
| uint32_t NvMediaEncodeRCParams::vbvInitialDelay |
Holds the VBV(HRD) initial delay in bits.
Set to 0 (zero) to use the internally determined VBV initial delay.
Definition at line 114 of file nvmedia_common_encode.h.
The documentation for this struct was generated from the following file: