Fix: audio subprocess handling, avg atency audio metric

internal/audio/batch_audio.go

@@ -38,13 +38,13 @@ type BatchAudioProcessor struct {
 
 type BatchAudioStats struct {
 	// int64 fields MUST be first for ARM32 alignment
-	BatchedReads      int64
-	SingleReads       int64
-	BatchedFrames     int64
-	SingleFrames      int64
-	CGOCallsReduced   int64
-	OSThreadPinTime   time.Duration // time.Duration is int64 internally
-	LastBatchTime     time.Time
+	BatchedReads    int64
+	SingleReads     int64
+	BatchedFrames   int64
+	SingleFrames    int64
+	CGOCallsReduced int64
+	OSThreadPinTime time.Duration // time.Duration is int64 internally
+	LastBatchTime   time.Time
 }
 
 type batchReadRequest struct {
@@ -153,8 +153,6 @@ func (bap *BatchAudioProcessor) BatchReadEncode(buffer []byte) (int, error) {
 	}
 }
 
-
-
 // batchReadProcessor processes batched read operations
 func (bap *BatchAudioProcessor) batchReadProcessor() {
 	defer bap.logger.Debug().Msg("batch read processor stopped")
@@ -191,8 +189,6 @@ func (bap *BatchAudioProcessor) batchReadProcessor() {
 	}
 }
 
-
-
 // processBatchRead processes a batch of read requests efficiently
 func (bap *BatchAudioProcessor) processBatchRead(batch []batchReadRequest) {
 	if len(batch) == 0 {
@@ -236,8 +232,6 @@ func (bap *BatchAudioProcessor) processBatchRead(batch []batchReadRequest) {
 	bap.stats.LastBatchTime = time.Now()
 }
 
-
-
 // GetStats returns current batch processor statistics
 func (bap *BatchAudioProcessor) GetStats() BatchAudioStats {
 	return BatchAudioStats{
@@ -258,7 +252,7 @@ func (bap *BatchAudioProcessor) IsRunning() bool {
 
 // Global batch processor instance
 var (
-	globalBatchProcessor     unsafe.Pointer // *BatchAudioProcessor
+	globalBatchProcessor      unsafe.Pointer // *BatchAudioProcessor
 	batchProcessorInitialized int32
 )
 
@@ -308,4 +302,4 @@ func BatchCGOAudioReadEncode(buffer []byte) (int, error) {
 		return processor.BatchReadEncode(buffer)
 	}
 	return CGOAudioReadEncode(buffer)
-}
+}

internal/audio/buffer_pool.go

@@ -65,4 +65,4 @@ func GetAudioControlBuffer() []byte {
 // PutAudioControlBuffer returns a buffer to the control pool
 func PutAudioControlBuffer(buf []byte) {
 	audioControlPool.Put(buf)
-}
+}

internal/audio/events.go

@@ -2,6 +2,7 @@ package audio
 
 import (
 	"context"
+	"fmt"
 	"strings"
 	"sync"
 	"time"
@@ -286,7 +287,7 @@ func (aeb *AudioEventBroadcaster) startMetricsBroadcasting() {
 				BytesProcessed:  audioMetrics.BytesProcessed,
 				LastFrameTime:   audioMetrics.LastFrameTime.Format("2006-01-02T15:04:05.000Z"),
 				ConnectionDrops: audioMetrics.ConnectionDrops,
-				AverageLatency:  audioMetrics.AverageLatency.String(),
+				AverageLatency:  fmt.Sprintf("%.1fms", float64(audioMetrics.AverageLatency.Nanoseconds())/1e6),
 			},
 		}
 		aeb.broadcast(audioMetricsEvent)
@@ -304,7 +305,7 @@ func (aeb *AudioEventBroadcaster) startMetricsBroadcasting() {
 						BytesProcessed:  micMetrics.BytesProcessed,
 						LastFrameTime:   micMetrics.LastFrameTime.Format("2006-01-02T15:04:05.000Z"),
 						ConnectionDrops: micMetrics.ConnectionDrops,
-						AverageLatency:  micMetrics.AverageLatency.String(),
+						AverageLatency:  fmt.Sprintf("%.1fms", float64(micMetrics.AverageLatency.Nanoseconds())/1e6),
 					},
 				}
 				aeb.broadcast(micMetricsEvent)

internal/audio/input_ipc_manager.go

@@ -154,7 +154,6 @@ func (aim *AudioInputIPCManager) GetDetailedMetrics() (AudioInputMetrics, map[st
 	// Get server statistics if available
 	serverStats := make(map[string]interface{})
 	if aim.supervisor.IsRunning() {
-
 		serverStats["status"] = "running"
 	} else {
 		serverStats["status"] = "stopped"