avutil

package
v0.2.1 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Aug 18, 2021 License: MIT Imports: 7 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	Quiet   = VerbosityLevel(C.AV_LOG_QUIET)
	Panic   = VerbosityLevel(C.AV_LOG_PANIC)
	Fatal   = VerbosityLevel(C.AV_LOG_FATAL)
	Errors  = VerbosityLevel(C.AV_LOG_ERROR)
	Warning = VerbosityLevel(C.AV_LOG_WARNING)
	Info    = VerbosityLevel(C.AV_LOG_INFO)
	Verbose = VerbosityLevel(C.AV_LOG_VERBOSE)
	Debug   = VerbosityLevel(C.AV_LOG_DEBUG)
	Trace   = VerbosityLevel(C.AV_LOG_TRACE)
)
View Source 
const (
	Audio = MediaType(C.AVMEDIA_TYPE_AUDIO)
	Video = MediaType(C.AVMEDIA_TYPE_VIDEO)
)
View Source 
const (
	OptionTypeBool      = OptionType(C.AV_OPT_TYPE_BOOL)
	OptionTypeFlags     = OptionType(C.AV_OPT_TYPE_FLAGS)
	OptionTypeInt       = OptionType(C.AV_OPT_TYPE_INT)
	OptionTypeInt64     = OptionType(C.AV_OPT_TYPE_INT64)
	OptionTypeUint64    = OptionType(C.AV_OPT_TYPE_UINT64)
	OptionTypeFloat     = OptionType(C.AV_OPT_TYPE_FLOAT)
	OptionTypeDouble    = OptionType(C.AV_OPT_TYPE_DOUBLE)
	OptionTypeVideoRate = OptionType(C.AV_OPT_TYPE_VIDEO_RATE)
	OptionTypeRational  = OptionType(C.AV_OPT_TYPE_RATIONAL)
	OptionTypeConst     = OptionType(C.AV_OPT_TYPE_CONST)
)
View Source 
const (
	PixelFormatCuda = PixelFormat(C.AV_PIX_FMT_CUDA)
	PixelFormatNV12 = PixelFormat(C.AV_PIX_FMT_NV12)
)
View Source 
const (
	RoundingPassMinMax   = Rounding(C.AV_ROUND_PASS_MINMAX)
	RoundingNearInfinity = Rounding(C.AV_ROUND_NEAR_INF)
)
View Source 
const (
	SampleFormatNone = SampleFormat(C.AV_SAMPLE_FMT_NONE)
	SampleFormatU8   = SampleFormat(C.AV_SAMPLE_FMT_U8)
	SampleFormatS16  = SampleFormat(C.AV_SAMPLE_FMT_S16)
	SampleFormatS32  = SampleFormat(C.AV_SAMPLE_FMT_S32)
	SampleFormatFLT  = SampleFormat(C.AV_SAMPLE_FMT_FLT)
	SampleFormatDBL  = SampleFormat(C.AV_SAMPLE_FMT_DBL)
	SampleFormatU8P  = SampleFormat(C.AV_SAMPLE_FMT_U8P)
	SampleFormatS16P = SampleFormat(C.AV_SAMPLE_FMT_S16P)
	SampleFormatS32P = SampleFormat(C.AV_SAMPLE_FMT_S32P)
	SampleFormatFLTP = SampleFormat(C.AV_SAMPLE_FMT_FLTP)
	SampleFormatDBLP = SampleFormat(C.AV_SAMPLE_FMT_DBLP)
	SampleFormatS64  = SampleFormat(C.AV_SAMPLE_FMT_S64)
	SampleFormatS64P = SampleFormat(C.AV_SAMPLE_FMT_S64P)
)
View Source 
const (
	Cuda = HWDeviceType(C.AV_HWDEVICE_TYPE_CUDA)
)
View Source 
const (
	TimeBase = C.AV_TIME_BASE
)

Variables

View Source 
var Logger *log.Logger
View Source 
var Verbosity = Info

Functions

func CopyFrameProps 

func CopyFrameProps(p0 *Frame, p1 *Frame) int32

func DupeString 

func DupeString(p0 string) *common.CChar

func Free 

func Free(p0 unsafe.Pointer)

func FreeDict 

func FreeDict(p0 **Dictionary)

func FreeFrame 

func FreeFrame(p0 **Frame)

func GetHWFrameBuffer 

func GetHWFrameBuffer(p0 *BufferRef, p1 *Frame, p2 int32) int32

func InitHWFramesContext 

func InitHWFramesContext(p0 *BufferRef) int32

func InitLogging 

func InitLogging()

func Malloc 

func Malloc(p0 uint64) unsafe.Pointer

func NewHWDeviceContext 

func NewHWDeviceContext(p0 **BufferRef, p1 HWDeviceType, p2 string, p3 *Dictionary, p4 int32) int32

func RefFrame 

func RefFrame(p0 *Frame, p1 *Frame) int32

func RescaleQ 

func RescaleQ(a int64, b, c Rational) int64

func RescaleQRound 

func RescaleQRound(a int64, b, c Rational, flags Rounding) int64

func RescaleRound 

func RescaleRound(p0 int64, p1 int64, p2 int64, p3 Rounding) int64

func SetDict 

func SetDict(p0 **Dictionary, p1 string, p2 string, p3 int32) int32

func SetOpt 

func SetOpt(p0 unsafe.Pointer, p1 string, p2 string, p3 int32) int32

func SetOptBin 

func SetOptBin(p0 unsafe.Pointer, p1 string, p2 *uint8, p3 int32, p4 int32) int32

func SetOptDouble 

func SetOptDouble(p0 unsafe.Pointer, p1 string, p2 float64, p3 int32) int32

func SetOptInt 

func SetOptInt(p0 unsafe.Pointer, p1 string, p2 int64, p3 int32) int32

func SetOptPixelFormat 

func SetOptPixelFormat(p0 unsafe.Pointer, p1 string, p2 PixelFormat, p3 int32) int32

func SetOptRational 

func SetOptRational(p0 unsafe.Pointer, p1 string, p2 Rational, p3 int32) int32

func TransferHWFrameData 

func TransferHWFrameData(p0 *Frame, p1 *Frame, p2 int32) int32

func UnrefBuffer 

func UnrefBuffer(p0 **BufferRef)

func UnrefFrame 

func UnrefFrame(p0 *Frame)

Types

type Buffer 

type Buffer struct{}

type BufferRef 

type BufferRef struct {
	Buffer *Buffer
	Data   *uint8
	Size   int32
	// contains filtered or unexported fields
}

func NewHWFramesContext 

func NewHWFramesContext(p0 *BufferRef) *BufferRef

func RefBuffer 

func RefBuffer(p0 *BufferRef) *BufferRef

type Class 

type Class struct {
	ClassName              *common.CChar
	ItemName               *[0]byte
	Option                 *Option
	Version                int32
	LogLevelOffsetOffset   int32
	ParentLogContextOffset int32
	ChildNext              *[0]byte
	ChildClassNext         *[0]byte
	Category               C.AVClassCategory
	GetCategory            *[0]byte
	QueryRanges            *[0]byte
}

type Dictionary 

type Dictionary struct{}

type Error 

type Error int
const (
	ErrAgain Error = -C.EAGAIN
	ErrNoMem Error = -C.ENOMEM
	ErrInval Error = -C.EINVAL

	ErrOptionNotFound Error = C.AVERROR_OPTION_NOT_FOUND
	ErrInvalidData    Error = C.AVERROR_INVALIDDATA
	ErrStreamNotFound Error = C.AVERROR_STREAM_NOT_FOUND
	ErrEOF            Error = C.AVERROR_EOF
)

func (Error) Error 

func (e Error) Error() string

type Frame 

type Frame struct {
	Data                 [8]*uint8
	Linesize             [8]int32
	ExtendedData         **uint8
	Width                int32
	Height               int32
	NbSamples            int32
	Format               int32
	KeyFrame             int32
	PictType             uint32
	SampleAspectRatio    Rational
	Pts                  int64
	PktPts               int64
	PktDts               int64
	CodedPictureNumber   int32
	DisplayPictureNumber int32
	Quality              int32
	Opaque               unsafe.Pointer
	Error                [8]uint64
	RepeatPict           int32
	InterlacedFrame      int32
	TopFieldFirst        int32
	PaletteHasChanged    int32
	ReorderedOpaque      int64
	SampleRate           int32
	ChannelLayout        uint64
	Buf                  [8]*BufferRef
	ExtendedBuf          **BufferRef
	NbExtendedBuf        int32
	SideData             **FrameSideData
	NbSideData           int32
	Flags                int32
	ColorRange           uint32
	ColorPrimaries       uint32
	ColorTrc             uint32
	Colorspace           uint32
	ChromaLocation       uint32
	BestEffortTimestamp  int64
	PktPos               int64
	PktDuration          int64
	Metadata             *Dictionary
	DecodeErrorFlags     int32
	Channels             int32
	PktSize              int32
	QscaleTable          *int8
	Qstride              int32
	QscaleType           int32
	QpTableBuf           *BufferRef
	HwFramesCtx          *BufferRef
	OpaqueRef            *BufferRef
	CropTop              uint64
	CropBottom           uint64
	CropLeft             uint64
	CropRight            uint64
	PrivateRef           *BufferRef
}

func NewFrame 

func NewFrame() *Frame

type FrameSideData 

type FrameSideData struct {
	Type     uint32
	Data     *uint8
	Size     int32
	Metadata *Dictionary
	Buf      *BufferRef
}

type HWDeviceContext 

type HWDeviceContext struct {
	AvClass    *Class
	Internal   *C.struct_AVHWDeviceInternal
	Type       uint32
	Hwctx      unsafe.Pointer
	Free       *[0]byte
	UserOpaque unsafe.Pointer
}

type HWDeviceType 

type HWDeviceType C.enum_AVHWDeviceType

func (HWDeviceType) String 

func (f HWDeviceType) String() string

type HWFramesContext 

type HWFramesContext struct {
	AvClass         *Class
	Internal        *C.struct_AVHWFramesInternal
	DeviceRef       *BufferRef
	DeviceCtx       *HWDeviceContext
	Hwctx           unsafe.Pointer
	Free            unsafe.Pointer
	UserOpaque      unsafe.Pointer
	Pool            *C.struct_AVBufferPool
	InitialPoolSize int32
	Format          PixelFormat
	SwFormat        PixelFormat
	Width           int32
	Height          int32
	// contains filtered or unexported fields
}

type MediaType 

type MediaType C.enum_AVMediaType

func (MediaType) String 

func (t MediaType) String() string

type Option 

type Option struct {
	Name       *common.CChar
	Help       *common.CChar
	Offset     int32
	Type       OptionType
	DefaultVal [8]byte
	Min        float64
	Max        float64
	Flags      int32
	Unit       *common.CChar
}

func FindOpt 

func FindOpt(p0 unsafe.Pointer, p1 string, p2 string, p3 int32, p4 int32, p5 *unsafe.Pointer) *Option

type OptionType 

type OptionType C.enum_AVOptionType

type PixelFormat 

type PixelFormat C.enum_AVPixelFormat

func (PixelFormat) String 

func (f PixelFormat) String() string

type Rational 

type Rational struct {
	Num int32
	Den int32
}

func MultiplyRational 

func MultiplyRational(p0 Rational, p1 Rational) Rational

func Rat 

func Rat(num, den int32) Rational

Rat is a convenience function for creating a Rational

func (Rational) Eq 

func (q Rational) Eq(rhs Rational) bool

func (Rational) Float64 

func (q Rational) Float64() float64

func (Rational) Gt 

func (q Rational) Gt(rhs Rational) bool

func (Rational) Gte 

func (q Rational) Gte(rhs Rational) bool

func (Rational) Inverse 

func (q Rational) Inverse() Rational

func (Rational) IsZero 

func (q Rational) IsZero() bool

func (Rational) Lt 

func (q Rational) Lt(rhs Rational) bool

func (Rational) Lte 

func (q Rational) Lte(rhs Rational) bool

func (Rational) String 

func (q Rational) String() string

type Rounding 

type Rounding C.enum_AVRounding

type SampleFormat 

type SampleFormat C.enum_AVSampleFormat

func (SampleFormat) String 

func (f SampleFormat) String() string

type VerbosityLevel 

type VerbosityLevel int

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.