transcoder

package
v0.1.10 Latest Latest
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 Go to latest Published: Oct 5, 2021 License: MIT Imports: 23 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CleanupOldContent 

func CleanupOldContent(baseDirectory string)

CleanupOldContent will delete old files from the private dir that are no longer being referenced in the stream.

func GetCodecs 

func GetCodecs(ffmpegPath string) []string

GetCodecs will return the supported codecs available on the system.

func StartThumbnailGenerator 

func StartThumbnailGenerator(chunkPath string, variantIndex int)

StartThumbnailGenerator starts generating thumbnails.

func StopThumbnailGenerator 

func StopThumbnailGenerator()

StopThumbnailGenerator will stop the periodic generating of a thumbnail from video.

Types

type Codec 

type Codec interface {
	Name() string
	DisplayName() string
	GlobalFlags() string
	PixelFormat() string
	ExtraArguments() string
	ExtraFilters() string
	VariantFlags(v *HLSVariant) string
	GetPresetForLevel(l int) string
}

Codec represents a supported codec on the system.

type FileWriterReceiverService 

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

FileWriterReceiverService accepts transcoder responses via HTTP and fires the callbacks.

func (*FileWriterReceiverService) SetupFileWriterReceiverService 

func (s *FileWriterReceiverService) SetupFileWriterReceiverService(callbacks FileWriterReceiverServiceCallback)

SetupFileWriterReceiverService will start listening for transcoder responses.

type FileWriterReceiverServiceCallback 

type FileWriterReceiverServiceCallback interface {
	SegmentWritten(localFilePath string)
	VariantPlaylistWritten(localFilePath string)
	MasterPlaylistWritten(localFilePath string)
}

FileWriterReceiverServiceCallback are to be fired when transcoder responses are written to disk.

type HLSHandler 

type HLSHandler struct {
	Storage models.StorageProvider
}

HLSHandler gets told about available HLS playlists and segments.

func (*HLSHandler) MasterPlaylistWritten 

func (h *HLSHandler) MasterPlaylistWritten(localFilePath string)

MasterPlaylistWritten is fired when a HLS master playlist is written to disk.

func (*HLSHandler) SegmentWritten 

func (h *HLSHandler) SegmentWritten(localFilePath string)

SegmentWritten is fired when a HLS segment is written to disk.

func (*HLSHandler) VariantPlaylistWritten 

func (h *HLSHandler) VariantPlaylistWritten(localFilePath string)

VariantPlaylistWritten is fired when a HLS variant playlist is written to disk.

type HLSVariant 

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

HLSVariant is a combination of settings that results in a single HLS stream.

func (*HLSVariant) SetAudioBitrate 

func (v *HLSVariant) SetAudioBitrate(bitrate string)

SetAudioBitrate will set the output framerate of this variant's audio.

func (*HLSVariant) SetCPUUsageLevel 

func (v *HLSVariant) SetCPUUsageLevel(level int)

SetCPUUsageLevel will set the hardware usage of this variant.

func (*HLSVariant) SetVideoBitrate 

func (v *HLSVariant) SetVideoBitrate(bitrate int)

SetVideoBitrate will set the output bitrate of this variant's video.

func (*HLSVariant) SetVideoFramerate 

func (v *HLSVariant) SetVideoFramerate(framerate int)

SetVideoFramerate will set the output framerate of this variant's video.

func (*HLSVariant) SetVideoScalingHeight 

func (v *HLSVariant) SetVideoScalingHeight(height int)

SetVideoScalingHeight will set the scaled video height of this variant.

func (*HLSVariant) SetVideoScalingWidth 

func (v *HLSVariant) SetVideoScalingWidth(width int)

SetVideoScalingWidth will set the scaled video width of this variant.

type Libx264Codec 

type Libx264Codec struct {
}

Libx264Codec represents an instance of the Libx264 Codec.

func (*Libx264Codec) DisplayName 

func (c *Libx264Codec) DisplayName() string

DisplayName returns the human readable name of the codec.

func (*Libx264Codec) ExtraArguments 

func (c *Libx264Codec) ExtraArguments() string

ExtraArguments are the extra arguments used with this codec in the transcoder.

func (*Libx264Codec) ExtraFilters 

func (c *Libx264Codec) ExtraFilters() string

ExtraFilters are the extra filters required for this codec in the transcoder.

func (*Libx264Codec) GetPresetForLevel 

func (c *Libx264Codec) GetPresetForLevel(l int) string

GetPresetForLevel returns the string preset for this codec given an integer level.

func (*Libx264Codec) GlobalFlags 

func (c *Libx264Codec) GlobalFlags() string

GlobalFlags are the global flags used with this codec in the transcoder.

func (*Libx264Codec) Name 

func (c *Libx264Codec) Name() string

Name returns the codec name.

func (*Libx264Codec) PixelFormat 

func (c *Libx264Codec) PixelFormat() string

PixelFormat is the pixel format required for this codec.

func (*Libx264Codec) VariantFlags 

func (c *Libx264Codec) VariantFlags(v *HLSVariant) string

VariantFlags returns a string representing a single variant processed by this codec.

type NvencCodec 

type NvencCodec struct {
}

NvencCodec represents an instance of the Nvenc Codec.

func (*NvencCodec) DisplayName 

func (c *NvencCodec) DisplayName() string

DisplayName returns the human readable name of the codec.

func (*NvencCodec) ExtraArguments 

func (c *NvencCodec) ExtraArguments() string

ExtraArguments are the extra arguments used with this codec in the transcoder.

func (*NvencCodec) ExtraFilters 

func (c *NvencCodec) ExtraFilters() string

ExtraFilters are the extra filters required for this codec in the transcoder.

func (*NvencCodec) GetPresetForLevel 

func (c *NvencCodec) GetPresetForLevel(l int) string

GetPresetForLevel returns the string preset for this codec given an integer level.

func (*NvencCodec) GlobalFlags 

func (c *NvencCodec) GlobalFlags() string

GlobalFlags are the global flags used with this codec in the transcoder.

func (*NvencCodec) Name 

func (c *NvencCodec) Name() string

Name returns the codec name.

func (*NvencCodec) PixelFormat 

func (c *NvencCodec) PixelFormat() string

PixelFormat is the pixel format required for this codec.

func (*NvencCodec) VariantFlags 

func (c *NvencCodec) VariantFlags(v *HLSVariant) string

VariantFlags returns a string representing a single variant processed by this codec.

type OmxCodec 

type OmxCodec struct {
}

OmxCodec represents an instance of the Omx codec.

func (*OmxCodec) DisplayName 

func (c *OmxCodec) DisplayName() string

DisplayName returns the human readable name of the codec.

func (*OmxCodec) ExtraArguments 

func (c *OmxCodec) ExtraArguments() string

ExtraArguments are the extra arguments used with this codec in the transcoder.

func (*OmxCodec) ExtraFilters 

func (c *OmxCodec) ExtraFilters() string

ExtraFilters are the extra filters required for this codec in the transcoder.

func (*OmxCodec) GetPresetForLevel 

func (c *OmxCodec) GetPresetForLevel(l int) string

GetPresetForLevel returns the string preset for this codec given an integer level.

func (*OmxCodec) GlobalFlags 

func (c *OmxCodec) GlobalFlags() string

GlobalFlags are the global flags used with this codec in the transcoder.

func (*OmxCodec) Name 

func (c *OmxCodec) Name() string

Name returns the codec name.

func (*OmxCodec) PixelFormat 

func (c *OmxCodec) PixelFormat() string

PixelFormat is the pixel format required for this codec.

func (*OmxCodec) VariantFlags 

func (c *OmxCodec) VariantFlags(v *HLSVariant) string

VariantFlags returns a string representing a single variant processed by this codec.

type QuicksyncCodec 

type QuicksyncCodec struct {
}

QuicksyncCodec represents an instance of the Intel Quicksync Codec.

func (*QuicksyncCodec) DisplayName 

func (c *QuicksyncCodec) DisplayName() string

DisplayName returns the human readable name of the codec.

func (*QuicksyncCodec) ExtraArguments 

func (c *QuicksyncCodec) ExtraArguments() string

ExtraArguments are the extra arguments used with this codec in the transcoder.

func (*QuicksyncCodec) ExtraFilters 

func (c *QuicksyncCodec) ExtraFilters() string

ExtraFilters are the extra filters required for this codec in the transcoder.

func (*QuicksyncCodec) GetPresetForLevel 

func (c *QuicksyncCodec) GetPresetForLevel(l int) string

GetPresetForLevel returns the string preset for this codec given an integer level.

func (*QuicksyncCodec) GlobalFlags 

func (c *QuicksyncCodec) GlobalFlags() string

GlobalFlags are the global flags used with this codec in the transcoder.

func (*QuicksyncCodec) Name 

func (c *QuicksyncCodec) Name() string

Name returns the codec name.

func (*QuicksyncCodec) PixelFormat 

func (c *QuicksyncCodec) PixelFormat() string

PixelFormat is the pixel format required for this codec.

func (*QuicksyncCodec) VariantFlags 

func (c *QuicksyncCodec) VariantFlags(v *HLSVariant) string

VariantFlags returns a string representing a single variant processed by this codec.

type Transcoder 

type Transcoder struct {
	TranscoderCompleted func(error)
	// contains filtered or unexported fields
}

Transcoder is a single instance of a video transcoder.

func NewTranscoder 

func NewTranscoder() *Transcoder

NewTranscoder will return a new Transcoder, populated by the config.

func (*Transcoder) AddVariant 

func (t *Transcoder) AddVariant(variant HLSVariant)

AddVariant adds a new HLS variant to include in the output.

func (*Transcoder) SetAppendToStream 

func (t *Transcoder) SetAppendToStream(append bool)

SetAppendToStream enables appending to the HLS stream instead of overwriting.

func (*Transcoder) SetCodec 

func (t *Transcoder) SetCodec(codecName string)

SetCodec will set the codec to be used for the transocder.

func (*Transcoder) SetIdentifier 

func (t *Transcoder) SetIdentifier(output string)

SetIdentifier enables appending a unique identifier to segment file name.

func (*Transcoder) SetInput 

func (t *Transcoder) SetInput(input string)

SetInput sets the input stream on the filesystem.

func (*Transcoder) SetInternalHTTPPort 

func (t *Transcoder) SetInternalHTTPPort(port string)

SetInternalHTTPPort will set the port to be used for internal communication.

func (*Transcoder) SetOutputPath 

func (t *Transcoder) SetOutputPath(output string)

SetOutputPath sets the root directory that should include playlists and video segments.

func (*Transcoder) SetStdin 

func (t *Transcoder) SetStdin(rtmp *io.PipeReader)

SetStdin sets the Stdin of the ffmpeg command.

func (*Transcoder) Start 

func (t *Transcoder) Start()

Start will execute the transcoding process with the settings previously set.

func (*Transcoder) Stop 

func (t *Transcoder) Stop()

Stop will stop the transcoder and kill all processing.

type VaapiCodec 

type VaapiCodec struct {
}

VaapiCodec represents an instance of the Vaapi codec.

func (*VaapiCodec) DisplayName 

func (c *VaapiCodec) DisplayName() string

DisplayName returns the human readable name of the codec.

func (*VaapiCodec) ExtraArguments 

func (c *VaapiCodec) ExtraArguments() string

ExtraArguments are the extra arguments used with this codec in the transcoder.

func (*VaapiCodec) ExtraFilters 

func (c *VaapiCodec) ExtraFilters() string

ExtraFilters are the extra filters required for this codec in the transcoder.

func (*VaapiCodec) GetPresetForLevel 

func (c *VaapiCodec) GetPresetForLevel(l int) string

GetPresetForLevel returns the string preset for this codec given an integer level.

func (*VaapiCodec) GlobalFlags 

func (c *VaapiCodec) GlobalFlags() string

GlobalFlags are the global flags used with this codec in the transcoder.

func (*VaapiCodec) Name 

func (c *VaapiCodec) Name() string

Name returns the codec name.

func (*VaapiCodec) PixelFormat 

func (c *VaapiCodec) PixelFormat() string

PixelFormat is the pixel format required for this codec.

func (*VaapiCodec) VariantFlags 

func (c *VaapiCodec) VariantFlags(v *HLSVariant) string

VariantFlags returns a string representing a single variant processed by this codec.

type Video4Linux 

type Video4Linux struct{}

Video4Linux represents an instance of the V4L Codec.

func (*Video4Linux) DisplayName 

func (c *Video4Linux) DisplayName() string

DisplayName returns the human readable name of the codec.

func (*Video4Linux) ExtraArguments 

func (c *Video4Linux) ExtraArguments() string

ExtraArguments are the extra arguments used with this codec in the transcoder.

func (*Video4Linux) ExtraFilters 

func (c *Video4Linux) ExtraFilters() string

ExtraFilters are the extra filters required for this codec in the transcoder.

func (*Video4Linux) GetPresetForLevel 

func (c *Video4Linux) GetPresetForLevel(l int) string

GetPresetForLevel returns the string preset for this codec given an integer level.

func (*Video4Linux) GlobalFlags 

func (c *Video4Linux) GlobalFlags() string

GlobalFlags are the global flags used with this codec in the transcoder.

func (*Video4Linux) Name 

func (c *Video4Linux) Name() string

Name returns the codec name.

func (*Video4Linux) PixelFormat 

func (c *Video4Linux) PixelFormat() string

PixelFormat is the pixel format required for this codec.

func (*Video4Linux) VariantFlags 

func (c *Video4Linux) VariantFlags(v *HLSVariant) string

VariantFlags returns a string representing a single variant processed by this codec.

type VideoSize 

type VideoSize struct {
	Width  int
	Height int
}

VideoSize is the scaled size of the video output.

Source Files

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