media

package
v1.5.1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Dec 16, 2022 License: Apache-2.0 Imports: 15 Imported by: 0

Documentation

Overview

Package media provides high-level media services for multiplexing, extracting and transcoding audio and video.

Index

Constants

View Source 
const (
	AV_LOG_PANIC   = LogLevel(ffmpeg.AV_LOG_PANIC)
	AV_LOG_FATAL   = LogLevel(ffmpeg.AV_LOG_FATAL)
	AV_LOG_ERROR   = LogLevel(ffmpeg.AV_LOG_ERROR)
	AV_LOG_WARNING = LogLevel(ffmpeg.AV_LOG_WARNING)
	AV_LOG_INFO    = LogLevel(ffmpeg.AV_LOG_INFO)
	AV_LOG_VERBOSE = LogLevel(ffmpeg.AV_LOG_VERBOSE)
	AV_LOG_DEBUG   = LogLevel(ffmpeg.AV_LOG_DEBUG)
	AV_LOG_TRACE   = LogLevel(ffmpeg.AV_LOG_TRACE)
)

Variables

View Source 
var (
	DefaultConfig = Config{Debug: false}
)

Functions

func NewMediaError 

func NewMediaError(level ffmpeg.AVLogLevel, message string) error

func ParseTrackDisc 

func ParseTrackDisc(value string) (uint, uint)

func Version 

func Version() string

Types

type Codec 

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

func NewCodec 

func NewCodec(ctx *ffmpeg.AVCodec) *Codec

func NewCodecWithParameters 

func NewCodecWithParameters(ctx *ffmpeg.AVCodecParameters) *Codec

func (*Codec) Description 

func (c *Codec) Description() string

func (*Codec) Flags 

func (c *Codec) Flags() MediaFlag

func (*Codec) Name 

func (c *Codec) Name() string

func (*Codec) Release 

func (c *Codec) Release() error

func (*Codec) String 

func (c *Codec) String() string

type Config 

type Config struct {
	// Debug will output debug messages on error channel
	Debug bool `yaml:"debug"`
}

type Format 

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

func NewInputFormat 

func NewInputFormat(ctx *ffmpeg.AVInputFormat) *Format

func NewOutputFormat 

func NewOutputFormat(ctx *ffmpeg.AVOutputFormat) *Format

func (*Format) Description 

func (f *Format) Description() string

func (*Format) Ext 

func (f *Format) Ext() string

func (*Format) Flags 

func (f *Format) Flags() MediaFlag

func (*Format) MimeType 

func (f *Format) MimeType() string

func (*Format) Name 

func (f *Format) Name() string

func (*Format) Release 

func (f *Format) Release() error

func (*Format) String 

func (f *Format) String() string

type LogLevel 

type LogLevel ffmpeg.AVLogLevel

type Manager 

type Manager struct {
	sync.Mutex
	// contains filtered or unexported fields
}

func NewManagerWithConfig 

func NewManagerWithConfig(cfg Config, err chan<- error) (*Manager, error)

func (*Manager) Close 

func (mgr *Manager) Close() error

func (*Manager) CodecByName 

func (this *Manager) CodecByName(name string) *Codec

func (*Manager) Codecs 

func (this *Manager) Codecs(f ...MediaFlag) []*Codec

func (*Manager) CreateFile 

func (mgr *Manager) CreateFile(path string) (*MediaOutput, error)

func (*Manager) Formats 

func (mgr *Manager) Formats(f ...MediaFlag) []*Format

func (*Manager) Open 

func (mgr *Manager) Open(r io.Reader, bufsize int) (*MediaInput, error)

Open a stream for input

func (*Manager) OpenFile 

func (mgr *Manager) OpenFile(path string) (*MediaInput, error)

func (*Manager) OpenURL 

func (mgr *Manager) OpenURL(url *url.URL) (*MediaInput, error)

func (*Manager) Release 

func (mgr *Manager) Release(f Media) error

func (*Manager) ReleaseInput 

func (mgr *Manager) ReleaseInput(f *MediaInput) error

func (*Manager) ReleaseOutput 

func (mgr *Manager) ReleaseOutput(f *MediaOutput) error

func (*Manager) String 

func (mgr *Manager) String() string

type MediaError 

type MediaError struct {
	Level   LogLevel
	Message string
}

func (MediaError) Error 

func (e MediaError) Error() string

type MediaInput 

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

func NewMediaInput 

func NewMediaInput(ctx *ffmpeg.AVFormatContext) *MediaInput

func (*MediaInput) CustomIO 

func (m *MediaInput) CustomIO() bool

func (*MediaInput) Flags 

func (m *MediaInput) Flags() MediaFlag

func (*MediaInput) Metadata 

func (m *MediaInput) Metadata() *Metadata

func (*MediaInput) Read 

func (m *MediaInput) Read(ctx context.Context, streams []int, fn DecodeIteratorFunc) error

Iterate over packets in the input stream

func (*MediaInput) Release 

func (m *MediaInput) Release() error

func (*MediaInput) StreamForIndex 

func (m *MediaInput) StreamForIndex(i int) *Stream

func (*MediaInput) Streams 

func (m *MediaInput) Streams() []*Stream

func (*MediaInput) StreamsForFlag 

func (m *MediaInput) StreamsForFlag(flag MediaFlag) []int

func (*MediaInput) String 

func (m *MediaInput) String() string

func (*MediaInput) URL 

func (m *MediaInput) URL() *url.URL

type MediaOutput 

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

func NewMediaOutput 

func NewMediaOutput(ctx *ffmpeg.AVFormatContext) *MediaOutput

func (*MediaOutput) Flags 

func (m *MediaOutput) Flags() MediaFlag

func (*MediaOutput) IsFile 

func (m *MediaOutput) IsFile() bool

func (*MediaOutput) Metadata 

func (m *MediaOutput) Metadata() *Metadata

func (*MediaOutput) Release 

func (m *MediaOutput) Release() error

func (*MediaOutput) StreamForIndex 

func (m *MediaOutput) StreamForIndex(i int) *Stream

func (*MediaOutput) Streams 

func (m *MediaOutput) Streams() []*Stream

func (*MediaOutput) String 

func (m *MediaOutput) String() string

func (*MediaOutput) URL 

func (m *MediaOutput) URL() *url.URL

type Metadata 

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

func NewMetadata 

func NewMetadata(dict *ffmpeg.AVDictionary) *Metadata

func (*Metadata) Keys 

func (m *Metadata) Keys() []MediaKey

func (*Metadata) Release 

func (m *Metadata) Release() error

func (*Metadata) String 

func (m *Metadata) String() string

func (*Metadata) Value 

func (m *Metadata) Value(key MediaKey) interface{}

type Stream 

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

func NewStream 

func NewStream(ctx *ffmpeg.AVStream, source *Stream) *Stream

func (*Stream) Artwork 

func (s *Stream) Artwork() []byte

func (*Stream) Codec 

func (s *Stream) Codec() *Codec

func (*Stream) Flags 

func (s *Stream) Flags() MediaFlag

func (*Stream) Index 

func (s *Stream) Index() int

func (*Stream) Release 

func (s *Stream) Release() error

func (*Stream) String 

func (s *Stream) String() string

type StreamMap 

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

func NewStreamMap 

func NewStreamMap() *StreamMap

func (*StreamMap) Get 

func (m *StreamMap) Get(k int) *Stream

func (*StreamMap) Set 

func (m *StreamMap) Set(s *Stream) error

Source Files

View all Source files

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