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71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
package bmumble
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import (
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"fmt"
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"layeh.com/gumble/gumble"
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)
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// This is a dummy implementation of a Gumble audio codec which claims
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// to implement Opus, but does not actually do anything. This serves
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// as a workaround until https://github.com/layeh/gumble/pull/61 is
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// merged.
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// See https://github.com/42wim/matterbridge/issues/1750 for details.
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const (
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audioCodecIDOpus = 4
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)
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func registerNullCodecAsOpus() {
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codec := &NullCodec{
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encoder: &NullAudioEncoder{},
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decoder: &NullAudioDecoder{},
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}
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gumble.RegisterAudioCodec(audioCodecIDOpus, codec)
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}
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type NullCodec struct {
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encoder *NullAudioEncoder
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decoder *NullAudioDecoder
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}
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func (c *NullCodec) ID() int {
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return audioCodecIDOpus
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}
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func (c *NullCodec) NewEncoder() gumble.AudioEncoder {
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e := &NullAudioEncoder{}
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return e
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}
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func (c *NullCodec) NewDecoder() gumble.AudioDecoder {
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d := &NullAudioDecoder{}
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return d
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}
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type NullAudioEncoder struct{}
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func (e *NullAudioEncoder) ID() int {
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return audioCodecIDOpus
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}
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func (e *NullAudioEncoder) Encode(pcm []int16, mframeSize, maxDataBytes int) ([]byte, error) {
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return nil, fmt.Errorf("not implemented")
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}
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func (e *NullAudioEncoder) Reset() {
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}
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type NullAudioDecoder struct{}
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func (d *NullAudioDecoder) ID() int {
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return audioCodecIDOpus
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}
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func (d *NullAudioDecoder) Decode(data []byte, frameSize int) ([]int16, error) {
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return nil, fmt.Errorf("not implemented")
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}
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func (d *NullAudioDecoder) Reset() {
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}
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