| OpenCV 5.0.0alpha Open Source Computer Vision

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Classes | Enumerations | Functions
cv::cudacodec Namespace Reference

## Classes
struct | EncodeQp
class | EncoderCallback
| Interface for encoder callbacks. More...
struct | EncoderParams
| Different parameters for CUDA video encoder. More...
struct | FormatInfo
| Struct providing information about video file format. : More...
class | RawVideoSource
| Interface for video demultiplexing. : More...
class | VideoReader
| Video reader interface, see createVideoReader(). More...
struct | VideoReaderInitParams
| VideoReader initialization parameters. More...
class | VideoWriter
| Video writer interface, see createVideoWriter(). More...

## Enumerations
enum | ChromaFormat { Monochrome = 0 , YUV420 , YUV422 , YUV444 , NumFormats }
| Chroma formats supported by cudacodec::VideoReader. More...
enum | Codec { MPEG1 = 0 , MPEG2 , MPEG4 , VC1 , H264 , JPEG , H264_SVC , H264_MVC , HEVC , VP8 , VP9 , AV1 , NumCodecs , Uncompressed_YUV420 = (('I' << 24) | ('Y' << 16) | ('U' << 8) | ('V')) , Uncompressed_YV12 = (('Y' << 24) | ('V' << 16) | ('1' << 8) | ('2')) , Uncompressed_NV12 = (('N' << 24) | ('V' << 16) | ('1' << 8) | ('2')) , Uncompressed_YUYV = (('Y' << 24) | ('U' << 16) | ('Y' << 8) | ('V')) , Uncompressed_UYVY = (('U' << 24) | ('Y' << 16) | ('V' << 8) | ('Y')) }
| Video codecs supported by cudacodec::VideoReader and cudacodec::VideoWriter. More...
enum class | ColorFormat { ColorFormat::UNDEFINED = 0 , ColorFormat::BGRA = 1 , ColorFormat::BGR = 2 , ColorFormat::GRAY = 3 , ColorFormat::NV_NV12 = 4 , ColorFormat::RGB = 5 , ColorFormat::RGBA = 6 , ColorFormat::NV_YV12 = 8 , ColorFormat::NV_IYUV = 9 , ColorFormat::NV_YUV444 = 10 , ColorFormat::NV_AYUV = 11 }
| ColorFormat for the frame returned by VideoReader::nextFrame() and VideoReader::retrieve() or used to initialize a VideoWriter. More...
enum | DeinterlaceMode { Weave = 0 , Bob = 1 , Adaptive = 2 }
| Deinterlacing mode used by decoder. More...
enum | EncodeMultiPass { ENC_MULTI_PASS_DISABLED = 0x0 , ENC_TWO_PASS_QUARTER_RESOLUTION = 0x1 , ENC_TWO_PASS_FULL_RESOLUTION = 0x2 }
| Multi Pass Encoding. More...
enum | EncodeParamsRcMode { ENC_PARAMS_RC_CONSTQP = 0x0 , ENC_PARAMS_RC_VBR = 0x1 , ENC_PARAMS_RC_CBR = 0x2 }
| Rate Control Modes. More...
enum | EncodePreset { ENC_PRESET_P1 = 1 , ENC_PRESET_P2 = 2 , ENC_PRESET_P3 = 3 , ENC_PRESET_P4 = 4 , ENC_PRESET_P5 = 5 , ENC_PRESET_P6 = 6 , ENC_PRESET_P7 = 7 }
| Nvidia Encoding Presets. Performance degrades and quality improves as we move from P1 to P7. More...
enum | EncodeProfile { ENC_CODEC_PROFILE_AUTOSELECT = 0 , ENC_H264_PROFILE_BASELINE = 1 , ENC_H264_PROFILE_MAIN = 2 , ENC_H264_PROFILE_HIGH = 3 , ENC_H264_PROFILE_HIGH_444 = 4 , ENC_H264_PROFILE_STEREO = 5 , ENC_H264_PROFILE_PROGRESSIVE_HIGH = 6 , ENC_H264_PROFILE_CONSTRAINED_HIGH = 7 , ENC_HEVC_PROFILE_MAIN = 8 , ENC_HEVC_PROFILE_MAIN10 = 9 , ENC_HEVC_PROFILE_FREXT = 10 }
| Supported Encoder Profiles. More...
enum | EncodeTuningInfo { ENC_TUNING_INFO_UNDEFINED = 0 , ENC_TUNING_INFO_HIGH_QUALITY = 1 , ENC_TUNING_INFO_LOW_LATENCY = 2 , ENC_TUNING_INFO_ULTRA_LOW_LATENCY = 3 , ENC_TUNING_INFO_LOSSLESS = 4 , ENC_TUNING_INFO_COUNT }
| Tuning information. More...
enum class | VideoReaderProps { VideoReaderProps::PROP_DECODED_FRAME_IDX = 0 , VideoReaderProps::PROP_EXTRA_DATA_INDEX = 1 , VideoReaderProps::PROP_RAW_PACKAGES_BASE_INDEX = 2 , VideoReaderProps::PROP_NUMBER_OF_RAW_PACKAGES_SINCE_LAST_GRAB = 3 , VideoReaderProps::PROP_RAW_MODE = 4 , VideoReaderProps::PROP_LRF_HAS_KEY_FRAME = 5 , VideoReaderProps::PROP_COLOR_FORMAT = 6 , VideoReaderProps::PROP_UDP_SOURCE = 7 , VideoReaderProps::PROP_ALLOW_FRAME_DROP = 8 }
| cv::cudacodec::VideoReader generic properties identifier. More...

## Functions
Ptr< VideoReader > | createVideoReader (const Ptr< RawVideoSource > &source, const VideoReaderInitParams params=VideoReaderInitParams())
Ptr< VideoReader > | createVideoReader (const String &filename, const std::vector< int > &sourceParams={}, const VideoReaderInitParams params=VideoReaderInitParams())
| Creates video reader.
Ptr< cudacodec::VideoWriter > | createVideoWriter (const String &fileName, const Size frameSize, const Codec codec, const double fps, const ColorFormat colorFormat, const EncoderParams &params, Ptr< EncoderCallback > encoderCallback=0, const cuda::Stream &stream=cuda::Stream::Null())
| Creates video writer.
Ptr< cudacodec::VideoWriter > | createVideoWriter (const String &fileName, const Size frameSize, const Codec codec=Codec::H264, const double fps=25.0, const ColorFormat colorFormat=ColorFormat::BGR, Ptr< EncoderCallback > encoderCallback=0, const cuda::Stream &stream=cuda::Stream::Null())
| Creates video writer.
void | MapHist (const cuda::GpuMat &hist, Mat &histFull)
| Utility function demonstrating how to map the luma histogram when FormatInfo::videoFullRangeFlag == false.
bool | operator== (const EncoderParams &lhs, const EncoderParams &rhs)