39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
package lametranscoder
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import (
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"github.com/viert/lame"
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"git.icedream.tech/icedream/uplink/internal"
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"git.icedream.tech/icedream/uplink/internal/transcoders"
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"git.icedream.tech/icedream/uplink/internal/transcoders/options"
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)
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var transcoderOptions = map[string]options.TranscoderOptionType{
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"bitrate": &options.Int64TranscoderOption{DefaultValue: 128, Min: 32, Max: 320},
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"quality": &options.Int64TranscoderOption{DefaultValue: 1, Min: 0, Max: 9},
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}
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type Transcoder struct{}
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func (transcoder *Transcoder) Options() map[string]options.TranscoderOptionType {
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return transcoderOptions
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}
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func (transcoder *Transcoder) New(options map[string]interface{}) transcoders.TranscoderInstance {
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return nil
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}
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type TranscoderInstance struct {
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options map[string]interface{}
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*lame.LameWriter
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}
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func (instance *TranscoderInstance) Init(out *internal.Stream, samplerate int, channels int) {
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instance.LameWriter = lame.NewWriter(out)
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instance.LameWriter.Encoder.SetBitrate(int(instance.options["bitrate"].(int64)))
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instance.LameWriter.Encoder.SetQuality(int(instance.options["quality"].(int64)))
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instance.LameWriter.Encoder.SetInSamplerate(samplerate)
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instance.LameWriter.Encoder.SetNumChannels(channels)
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instance.LameWriter.Encoder.InitParams()
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}
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