codec

type AudioEncoderBuilder interface {
	// Name represents the codec name
	Name() string
	// BuildAudioEncoder builds audio encoder by given media params and audio input
	BuildAudioEncoder(r audio.Reader, p prop.Media) (ReadCloser, error)
}

type BaseParams struct {
	// Target bitrate in bps.
	BitRate int

	// Expected interval of the keyframes in frames.
	KeyFrameInterval int
}

type ReadCloser interface {
	io.ReadCloser
	// SetBitRate sets current target bitrate, lower bitrate means smaller data will be transmitted
	// but this also means that the quality will also be lower.
	SetBitRate(int) error
	// ForceKeyFrame forces the next frame to be a keyframe, aka intra-frame.
	ForceKeyFrame() error
}

type VideoEncoderBuilder interface {
	// Name represents the codec name
	Name() string
	// BuildVideoEncoder builds video encoder by given media params and video input
	BuildVideoEncoder(r video.Reader, p prop.Media) (ReadCloser, error)
}