videolayerselector

package
v0.0.0-...-c2cc3df Latest Latest
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 Go to latest Published: Nov 28, 2024 License: Apache-2.0 Imports: 8 Imported by: 0

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Constants

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Variables

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Functions

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Types

type Base 

type Base struct {
	// contains filtered or unexported fields
}

func NewBase 

func NewBase(logger logger.Logger) *Base

func (*Base) CheckSync 

func (b *Base) CheckSync() (locked bool, layer int32)

func (*Base) GetCurrent 

func (b *Base) GetCurrent() buffer.VideoLayer

func (*Base) GetMax 

func (b *Base) GetMax() buffer.VideoLayer

func (*Base) GetMaxSeen 

func (b *Base) GetMaxSeen() buffer.VideoLayer

func (*Base) GetRequestSpatial 

func (b *Base) GetRequestSpatial() int32

func (*Base) GetTarget 

func (b *Base) GetTarget() buffer.VideoLayer

func (*Base) IsOvershootOkay 

func (b *Base) IsOvershootOkay() bool

func (*Base) Rollback 

func (b *Base) Rollback()

func (*Base) Select 

func (b *Base) Select(_extPkt *buffer.ExtPacket, _layer int32) (result VideoLayerSelectorResult)

func (*Base) SelectTemporal 

func (b *Base) SelectTemporal(extPkt *buffer.ExtPacket) int32

func (*Base) SetCurrent 

func (b *Base) SetCurrent(currentLayer buffer.VideoLayer)

func (*Base) SetMax 

func (b *Base) SetMax(maxLayer buffer.VideoLayer)

func (*Base) SetMaxSeen 

func (b *Base) SetMaxSeen(maxSeenLayer buffer.VideoLayer)

func (*Base) SetMaxSeenSpatial 

func (b *Base) SetMaxSeenSpatial(layer int32)

func (*Base) SetMaxSeenTemporal 

func (b *Base) SetMaxSeenTemporal(layer int32)

func (*Base) SetMaxSpatial 

func (b *Base) SetMaxSpatial(layer int32)

func (*Base) SetMaxTemporal 

func (b *Base) SetMaxTemporal(layer int32)

func (*Base) SetRequestSpatial 

func (b *Base) SetRequestSpatial(layer int32)

func (*Base) SetTarget 

func (b *Base) SetTarget(targetLayer buffer.VideoLayer)

func (*Base) SetTemporalLayerSelector 

func (b *Base) SetTemporalLayerSelector(tls temporallayerselector.TemporalLayerSelector)

type DecodeTarget 

type DecodeTarget struct {
	buffer.DependencyDescriptorDecodeTarget
	// contains filtered or unexported fields
}

func NewDecodeTarget 

func NewDecodeTarget(target buffer.DependencyDescriptorDecodeTarget, chain *FrameChain) *DecodeTarget

func (*DecodeTarget) Active 

func (dt *DecodeTarget) Active() bool

func (*DecodeTarget) OnFrame 

func (dt *DecodeTarget) OnFrame(extFrameNum uint64, fd *dd.FrameDependencyTemplate) (FrameDetectionResult, error)

func (*DecodeTarget) UpdateActive 

func (dt *DecodeTarget) UpdateActive(activeBitmask uint32)

func (*DecodeTarget) Valid 

func (dt *DecodeTarget) Valid() bool

type DependencyDescriptor 

type DependencyDescriptor struct {
	*Base
	// contains filtered or unexported fields
}

func NewDependencyDescriptor 

func NewDependencyDescriptor(logger logger.Logger) *DependencyDescriptor

func NewDependencyDescriptorFromNull 

func NewDependencyDescriptorFromNull(vls VideoLayerSelector) *DependencyDescriptor

func (*DependencyDescriptor) CheckSync 

func (d *DependencyDescriptor) CheckSync() (locked bool, layer int32)

func (*DependencyDescriptor) IsOvershootOkay 

func (d *DependencyDescriptor) IsOvershootOkay() bool

func (*DependencyDescriptor) Rollback 

func (d *DependencyDescriptor) Rollback()

func (*DependencyDescriptor) Select 

func (d *DependencyDescriptor) Select(extPkt *buffer.ExtPacket, _layer int32) (result VideoLayerSelectorResult)

type FrameChain 

type FrameChain struct {
	// contains filtered or unexported fields
}

func NewFrameChain 

func NewFrameChain(decisions *SelectorDecisionCache, chainIdx int, logger logger.Logger) *FrameChain

func (*FrameChain) BeginUpdateActive 

func (fc *FrameChain) BeginUpdateActive()

func (*FrameChain) Broken 

func (fc *FrameChain) Broken() bool

func (*FrameChain) EndUpdateActive 

func (fc *FrameChain) EndUpdateActive()

func (*FrameChain) OnExpectFrameChanged 

func (fc *FrameChain) OnExpectFrameChanged(frameNum uint64, decision selectorDecision)

func (*FrameChain) OnFrame 

func (fc *FrameChain) OnFrame(extFrameNum uint64, fd *dd.FrameDependencyTemplate) bool

func (*FrameChain) UpdateActive 

func (fc *FrameChain) UpdateActive(active bool)

type FrameDetectionResult 

type FrameDetectionResult struct {
	TargetValid bool
	DTI         dd.DecodeTargetIndication
}

type FrameNumberWrapper 

type FrameNumberWrapper struct {
	// contains filtered or unexported fields
}

func (*FrameNumberWrapper) UpdateAndGet 

func (f *FrameNumberWrapper) UpdateAndGet(new uint64, updateOffset bool) uint64

UpdateAndGet returns the wrapped frame number from the given frame number, and updates the offset to make sure the returned frame number is always inorder. Should only updateOffset if the new frame is a keyframe because frame dependencies uses on the frame number diff so frames inside a GOP should have the same offset.

type Null 

type Null struct {
	*Base
}

func NewNull 

func NewNull(logger logger.Logger) *Null

type SelectorDecisionCache 

type SelectorDecisionCache struct {
	// contains filtered or unexported fields
}

func NewSelectorDecisionCache 

func NewSelectorDecisionCache(maxNumElements uint64, numNackEntries uint64) *SelectorDecisionCache

func (*SelectorDecisionCache) AddDropped 

func (s *SelectorDecisionCache) AddDropped(entity uint64)

func (*SelectorDecisionCache) AddForwarded 

func (s *SelectorDecisionCache) AddForwarded(entity uint64)

func (*SelectorDecisionCache) ExpectDecision 

func (s *SelectorDecisionCache) ExpectDecision(entity uint64, f func(entity uint64, decision selectorDecision)) bool

func (*SelectorDecisionCache) GetDecision 

func (s *SelectorDecisionCache) GetDecision(entity uint64) (selectorDecision, error)

type Simulcast 

type Simulcast struct {
	*Base
}

func NewSimulcast 

func NewSimulcast(logger logger.Logger) *Simulcast

func NewSimulcastFromNull 

func NewSimulcastFromNull(vls VideoLayerSelector) *Simulcast

func (*Simulcast) IsOvershootOkay 

func (s *Simulcast) IsOvershootOkay() bool

func (*Simulcast) Select 

func (s *Simulcast) Select(extPkt *buffer.ExtPacket, layer int32) (result VideoLayerSelectorResult)

type VP9 

type VP9 struct {
	*Base
}

func NewVP9 

func NewVP9(logger logger.Logger) *VP9

func NewVP9FromNull 

func NewVP9FromNull(vls VideoLayerSelector) *VP9

func (*VP9) IsOvershootOkay 

func (v *VP9) IsOvershootOkay() bool

func (*VP9) Select 

func (v *VP9) Select(extPkt *buffer.ExtPacket, _layer int32) (result VideoLayerSelectorResult)

type VideoLayerSelector 

type VideoLayerSelector interface {
	IsOvershootOkay() bool

	SetTemporalLayerSelector(tls temporallayerselector.TemporalLayerSelector)

	SetMax(maxLayer buffer.VideoLayer)
	SetMaxSpatial(layer int32)
	SetMaxTemporal(layer int32)
	GetMax() buffer.VideoLayer

	SetTarget(targetLayer buffer.VideoLayer)
	GetTarget() buffer.VideoLayer

	SetRequestSpatial(layer int32)
	GetRequestSpatial() int32

	CheckSync() (locked bool, layer int32)

	SetMaxSeen(maxSeenLayer buffer.VideoLayer)
	SetMaxSeenSpatial(layer int32)
	SetMaxSeenTemporal(layer int32)
	GetMaxSeen() buffer.VideoLayer

	SetCurrent(currentLayer buffer.VideoLayer)
	GetCurrent() buffer.VideoLayer

	Select(extPkt *buffer.ExtPacket, layer int32) VideoLayerSelectorResult
	SelectTemporal(extPkt *buffer.ExtPacket) int32
	Rollback()
}

type VideoLayerSelectorResult 

type VideoLayerSelectorResult struct {
	IsSelected                    bool
	IsRelevant                    bool
	IsSwitching                   bool
	IsResuming                    bool
	RTPMarker                     bool
	DependencyDescriptorExtension []byte
}

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