avfilter

package
v0.0.0-...-6bf952d Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jan 25, 2019 License: MIT Imports: 4 Imported by: 6

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Constants

This section is empty.

Variables

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var (
	ErrAllocationError = errors.New("allocation error")
)

Functions

func RegisterAll 

func RegisterAll()

func Version 

func Version() (int, int, int)

Types

type BufferSrcFlags 

type BufferSrcFlags C.int
const (
	BufferSrcFlagNoCheckFormat BufferSrcFlags = C.AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT
	BufferSrcFlagNoCopy        BufferSrcFlags = C.GO_AV_BUFFERSRC_FLAG_NO_COPY
	BufferSrcFlagPush          BufferSrcFlags = C.AV_BUFFERSRC_FLAG_PUSH
	BufferSrcFlagKeepRef       BufferSrcFlags = C.AV_BUFFERSRC_FLAG_KEEP_REF
)

type Context 

type Context struct {
	CAVFilterContext *C.AVFilterContext
	*avutil.OptionAccessor
}

func NewContextFromC 

func NewContextFromC(cCtx unsafe.Pointer) *Context

func (*Context) AddFrame 

func (ctx *Context) AddFrame(frame *avutil.Frame) error

func (*Context) AddFrameWithFlags 

func (ctx *Context) AddFrameWithFlags(frame *avutil.Frame, flags BufferSrcFlags) error

func (*Context) Class 

func (ctx *Context) Class() *avutil.Class

func (*Context) Filter 

func (ctx *Context) Filter() *Filter

func (*Context) FrameRate 

func (ctx *Context) FrameRate() *avutil.Rational

func (*Context) GetFrame 

func (ctx *Context) GetFrame(frame *avutil.Frame) (bool, error)

func (*Context) Init 

func (ctx *Context) Init() error

func (*Context) InitWithDictionary 

func (ctx *Context) InitWithDictionary(options *avutil.Dictionary) error

func (*Context) InitWithString 

func (ctx *Context) InitWithString(args string) error

func (*Context) Inputs 

func (ctx *Context) Inputs() []*Link
func (ctx *Context) Link(srcPad uint, dst *Context, dstPad uint) error

func (*Context) Name 

func (ctx *Context) Name() string

func (*Context) NameOk 

func (ctx *Context) NameOk() (string, bool)

func (*Context) NumberOfInputs 

func (ctx *Context) NumberOfInputs() uint

func (*Context) NumberOfOutputs 

func (ctx *Context) NumberOfOutputs() uint

func (*Context) Outputs 

func (ctx *Context) Outputs() []*Link

func (*Context) SetFrameSize 

func (ctx *Context) SetFrameSize(size uint)

func (*Context) WriteFrame 

func (ctx *Context) WriteFrame(frame *avutil.Frame) error

type Filter 

type Filter struct {
	CAVFilter *C.AVFilter
}

func Filters 

func Filters() []*Filter

func FindFilterByName 

func FindFilterByName(name string) *Filter

func NewFilterFromC 

func NewFilterFromC(cFilter unsafe.Pointer) *Filter

func (*Filter) Description 

func (f *Filter) Description() string

func (*Filter) DescriptionOk 

func (f *Filter) DescriptionOk() (string, bool)

func (*Filter) Flags 

func (f *Filter) Flags() Flags

func (*Filter) Name 

func (f *Filter) Name() string

func (*Filter) NameOk 

func (f *Filter) NameOk() (string, bool)

func (*Filter) PrivateClass 

func (f *Filter) PrivateClass() *avutil.Class

type Flags 

type Flags int
const (
	FlagDynamicInputs           Flags = C.AVFILTER_FLAG_DYNAMIC_INPUTS
	FlagDynamicOutputs          Flags = C.AVFILTER_FLAG_DYNAMIC_OUTPUTS
	FlagSliceThreads            Flags = C.AVFILTER_FLAG_SLICE_THREADS
	FlagSupportTimelineGeneric  Flags = C.AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
	FlagSupportTimelineInternal Flags = C.AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
	FlagSupportTimeline         Flags = C.AVFILTER_FLAG_SUPPORT_TIMELINE
)

type Graph 

type Graph struct {
	CAVFilterGraph *C.AVFilterGraph
}

func NewGraph 

func NewGraph() (*Graph, error)

func NewGraphFromC 

func NewGraphFromC(cGraph unsafe.Pointer) *Graph

func (*Graph) AddFilter 

func (g *Graph) AddFilter(filter *Filter, name string) (*Context, error)

func (*Graph) AutoConvertFlags 

func (g *Graph) AutoConvertFlags() GraphAutoConvertFlags

func (*Graph) Class 

func (g *Graph) Class() *avutil.Class

func (*Graph) Config 

func (g *Graph) Config() error

func (*Graph) Dump 

func (g *Graph) Dump() (string, error)

func (*Graph) DumpWithOptions 

func (g *Graph) DumpWithOptions(options string) (string, error)

func (*Graph) Free 

func (g *Graph) Free()

func (*Graph) NumberOfFilters 

func (g *Graph) NumberOfFilters() uint

func (*Graph) Parse 

func (g *Graph) Parse(filters string, input, output *InOut) error

func (*Graph) RequestOldest 

func (g *Graph) RequestOldest() error

func (*Graph) SetAutoConvertFlags 

func (g *Graph) SetAutoConvertFlags(flags GraphAutoConvertFlags)

type GraphAutoConvertFlags 

type GraphAutoConvertFlags uint
const (
	GraphAutoConvertFlagAll  GraphAutoConvertFlags = C.GO_AVFILTER_AUTO_CONVERT_ALL
	GraphAutoConvertFlagNone GraphAutoConvertFlags = C.GO_AVFILTER_AUTO_CONVERT_NONE
)

type InOut 

type InOut struct {
	CAVFilterInOut *C.AVFilterInOut
}

func NewInOut 

func NewInOut() (*InOut, error)

func NewInOutFromC 

func NewInOutFromC(cInOut unsafe.Pointer) *InOut

func (*InOut) Context 

func (io *InOut) Context() *Context

func (*InOut) Free 

func (io *InOut) Free()

func (*InOut) Name 

func (io *InOut) Name() string

func (*InOut) NameOk 

func (io *InOut) NameOk() (string, bool)

func (*InOut) Next 

func (io *InOut) Next() *InOut

func (*InOut) PadIndex 

func (io *InOut) PadIndex() int

func (*InOut) SetContext 

func (io *InOut) SetContext(ctx *Context)

func (*InOut) SetName 

func (io *InOut) SetName(name string) error

func (*InOut) SetNext 

func (io *InOut) SetNext(next *InOut)

func (*InOut) SetPadIndex 

func (io *InOut) SetPadIndex(index int)
type Link struct {
	CAVFilterLink *C.AVFilterLink
}

func NewLinkFromC 

func NewLinkFromC(cLink unsafe.Pointer) *Link

func (*Link) AgeIndex 

func (l *Link) AgeIndex() int

func (*Link) ChannelLayout 

func (l *Link) ChannelLayout() avutil.ChannelLayout

func (*Link) Channels 

func (l *Link) Channels() int

func (*Link) CurrentPTS 

func (l *Link) CurrentPTS() int64

func (*Link) Dst 

func (l *Link) Dst() *Context

func (*Link) Format 

func (l *Link) Format() int

func (*Link) FrameRate 

func (l *Link) FrameRate() *avutil.Rational

func (*Link) Height 

func (l *Link) Height() int

func (*Link) MaxSamples 

func (l *Link) MaxSamples() int

func (*Link) MinSamples 

func (l *Link) MinSamples() int

func (*Link) PixelFormat 

func (l *Link) PixelFormat() avutil.PixelFormat

func (*Link) RequestSamples 

func (l *Link) RequestSamples() int

func (*Link) SampleAspectRatio 

func (l *Link) SampleAspectRatio() *avutil.Rational

func (*Link) SampleFormat 

func (l *Link) SampleFormat() avutil.SampleFormat

func (*Link) SampleRate 

func (l *Link) SampleRate() int

func (*Link) Src 

func (l *Link) Src() *Context

func (*Link) TimeBase 

func (l *Link) TimeBase() *avutil.Rational

func (*Link) Type 

func (l *Link) Type() avutil.MediaType

func (*Link) Width 

func (l *Link) Width() int

Source Files

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