Module opencv::cudacodec

Video Encoding/Decoding

Modules

• prelude

Structs

• EncodeQp
  Quantization Parameter for each type of frame when using ENC_PARAMS_RC_MODE::ENC_PARAMS_RC_CONSTQP.
• EncoderParams
  Different parameters for CUDA video encoder.
• FormatInfo
  Struct providing information about video file format. :
• VideoReaderInitParams
  VideoReader initialization parameters

Enums

• ChromaFormat
  Chroma formats supported by cudacodec::VideoReader.
• Codec
  Video codecs supported by cudacodec::VideoReader and cudacodec::VideoWriter.
• ColorFormat
  ColorFormat for the frame returned by VideoReader::nextFrame() and VideoReader::retrieve() or used to initialize a VideoWriter.
• DeinterlaceMode
  Deinterlacing mode used by decoder.
• EncodeMultiPass
  Multi Pass Encoding.
• EncodeParamsRcMode
  Rate Control Modes.
• EncodePreset
  Nvidia Encoding Presets. Performance degrades and quality improves as we move from P1 to P7.
• EncodeProfile
  Supported Encoder Profiles.
• EncodeTuningInfo
  Tuning information.
• VideoReaderProps
  cv::cudacodec::VideoReader generic properties identifier.

Constants

• AV1
• Adaptive
• Bob
• ColorFormat_BGR
  OpenCV color format, can be used with both VideoReader and VideoWriter.
• ColorFormat_BGRA
  OpenCV color format, can be used with both VideoReader and VideoWriter.
• ColorFormat_GRAY
  OpenCV color format, can be used with both VideoReader and VideoWriter.
• ColorFormat_NV_AYUV
  Nvidia Buffer Format - 8 bit Packed A8Y8U8V8. This is a word-ordered format where a pixel is represented by a 32-bit word with V in the lowest 8 bits, U in the next 8 bits, Y in the 8 bits after that and A in the highest 8 bits, can only be used with VideoWriter.
• ColorFormat_NV_IYUV
  Nvidia Buffer Format - Planar YUV [Y plane followed by U and V planes], use with VideoReader, can only be used with VideoWriter.
• ColorFormat_NV_NV12
  Nvidia color format - equivalent to YUV - Semi-Planar YUV [Y plane followed by interleaved UV plane], can be used with both VideoReader and VideoWriter.
• ColorFormat_NV_YUV444
  Nvidia Buffer Format - Planar YUV [Y plane followed by U and V planes], use with VideoReader, can only be used with VideoWriter.
• ColorFormat_NV_YV12
  Nvidia Buffer Format - Planar YUV [Y plane followed by V and U planes], use with VideoReader, can only be used with VideoWriter.
• ColorFormat_PROP_NOT_SUPPORTED
• ColorFormat_RGB
  OpenCV color format, can only be used with VideoWriter.
• ColorFormat_RGBA
  OpenCV color format, can only be used with VideoWriter.
• ColorFormat_UNDEFINED
• ENC_CODEC_PROFILE_AUTOSELECT
• ENC_H264_PROFILE_BASELINE
• ENC_H264_PROFILE_CONSTRAINED_HIGH
• ENC_H264_PROFILE_HIGH
• ENC_H264_PROFILE_HIGH_444
• ENC_H264_PROFILE_MAIN
• ENC_H264_PROFILE_PROGRESSIVE_HIGH
• ENC_H264_PROFILE_STEREO
• ENC_HEVC_PROFILE_FREXT
• ENC_HEVC_PROFILE_MAIN
• ENC_HEVC_PROFILE_MAIN10
• ENC_MULTI_PASS_DISABLED
  Single Pass.
• ENC_PARAMS_RC_CBR
  Constant bitrate mode.
• ENC_PARAMS_RC_CONSTQP
  Constant QP mode.
• ENC_PARAMS_RC_VBR
  Variable bitrate mode.
• ENC_PRESET_P1
• ENC_PRESET_P2
• ENC_PRESET_P3
• ENC_PRESET_P4
• ENC_PRESET_P5
• ENC_PRESET_P6
• ENC_PRESET_P7
• ENC_TUNING_INFO_COUNT
• ENC_TUNING_INFO_HIGH_QUALITY
  Tune presets for latency tolerant encoding.
• ENC_TUNING_INFO_LOSSLESS
  Tune presets for lossless encoding.
• ENC_TUNING_INFO_LOW_LATENCY
  Tune presets for low latency streaming.
• ENC_TUNING_INFO_ULTRA_LOW_LATENCY
  Tune presets for ultra low latency streaming.
• ENC_TUNING_INFO_UNDEFINED
  Undefined tuningInfo. Invalid value for encoding.
• ENC_TWO_PASS_FULL_RESOLUTION
  Two Pass encoding is enabled where first Pass is full resolution.
• ENC_TWO_PASS_QUARTER_RESOLUTION
  Two Pass encoding is enabled where first Pass is quarter resolution.
• H264
• H264_MVC
• H264_SVC
• HEVC
• JPEG
• MPEG1
• MPEG2
• MPEG4
• Monochrome
• NumCodecs
• NumFormats
• Uncompressed_NV12
  Y,UV (4:2:0)
• Uncompressed_UYVY
  UYVY (4:2:2)
• Uncompressed_YUV420
  Y,U,V (4:2:0)
• Uncompressed_YUYV
  YUYV/YUY2 (4:2:2)
• Uncompressed_YV12
  Y,V,U (4:2:0)
• VC1
• VP8
• VP9
• VideoReaderProps_PROP_ALLOW_FRAME_DROP
  Status of VideoReaderInitParams::allowFrameDrop initialization.
• VideoReaderProps_PROP_COLOR_FORMAT
  Set the ColorFormat of the decoded frame. This can be changed before every call to nextFrame() and retrieve().
• VideoReaderProps_PROP_DECODED_FRAME_IDX
  Index for retrieving the decoded frame using retrieve().
• VideoReaderProps_PROP_EXTRA_DATA_INDEX
  Index for retrieving the extra data associated with a video source using retrieve().
• VideoReaderProps_PROP_LRF_HAS_KEY_FRAME
  FFmpeg source only - Indicates whether the Last Raw Frame (LRF), output from VideoReader::retrieve() when VideoReader is initialized in raw mode, contains encoded data for a key frame.
• VideoReaderProps_PROP_NOT_SUPPORTED
• VideoReaderProps_PROP_NUMBER_OF_RAW_PACKAGES_SINCE_LAST_GRAB
  Number of raw packages recieved since the last call to grab().
• VideoReaderProps_PROP_RAW_MODE
  Status of raw mode.
• VideoReaderProps_PROP_RAW_PACKAGES_BASE_INDEX
  Base index for retrieving raw encoded data using retrieve().
• VideoReaderProps_PROP_UDP_SOURCE
  Status of VideoReaderInitParams::udpSource initialization.
• Weave
• YUV420
• YUV422
• YUV444

Traits

• EncoderCallback
  Interface for encoder callbacks.
• EncoderCallbackConst
  Constant methods for crate::cudacodec::EncoderCallback
• RawVideoSource
  Interface for video demultiplexing. :
• RawVideoSourceConst
  Constant methods for crate::cudacodec::RawVideoSource
• VideoReader
  Video reader interface.
• VideoReaderConst
  Constant methods for crate::cudacodec::VideoReader
• VideoWriter
  Video writer interface.
• VideoWriterConst
  Constant methods for crate::cudacodec::VideoWriter

Functions

• create_video_reader
  Creates video reader.
• create_video_reader_1
  Creates video reader.
• create_video_writer
  Creates video writer.
• create_video_writer_1
  Creates video writer.
• equals_encoderparams_encoderparams