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Allow 2.5ms Opus frame

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This commit is contained in:
Sergey Stepanov 2024-12-06 15:27:18 +03:00
parent d77d69a331
commit 6bb82b2204
2 changed files with 7 additions and 4 deletions
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2
pkg/config/worker.go
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@ -51,7 +51,7 @@ type Encoder struct {
}
type Audio struct {
Frame int
Frame float32
}
type Video struct {

9
pkg/worker/media/media.go
View file

@ -2,6 +2,7 @@ package media
import (
"fmt"
"math"
"sync"
"time"
"unsafe"
@ -81,7 +82,9 @@ func DefaultOpus() (*opus.Encoder, error) {
}
// frame calculates an audio stereo frame size, i.e. 48k*frame/1000*2
func frame(hz int, frame int) int { return hz * frame / 1000 * 2 }
func frame(hz int, frame float32) int {
return int(math.Round(float64(hz) * float64(frame) / 1000 * 2))
}
// stretch does a simple stretching of audio samples.
// something like: [1,2,3,4,5,6] -> [1,2,x,x,3,4,x,x,5,6,x,x] -> [1,2,1,2,3,4,3,4,5,6,5,6]
@ -114,7 +117,7 @@ type WebrtcMediaPipe struct {
vConf config.Video
AudioSrcHz int
AudioFrame int
AudioFrame float32
VideoW, VideoH int
VideoScale float64
@ -162,7 +165,7 @@ func (wmp *WebrtcMediaPipe) Init() error {
return nil
}
func (wmp *WebrtcMediaPipe) initAudio(srcHz int, frameSize int) error {
func (wmp *WebrtcMediaPipe) initAudio(srcHz int, frameSize float32) error {
au, err := DefaultOpus()
if err != nil {
return fmt.Errorf("opus fail: %w", err)