INNER CODE UNIT · Swift

startSample

cometchat/cometchat-uikit-flutter · packages/cometchat_uikit/ios/Classes/SwiftCometchatChatUikitPlugin.swift:593

                    let startSample = i * samplesPerChunk
                    let endSample = min(startSample + samplesPerChunk, totalSamples)
                    
                    if startSample >= totalSamples {
                        break
                    }
                    
                    // Calculate RMS for this chunk
                    var sum: Float = 0
                    for j in startSample..<endSample {
                        let sample = channelData[j]
                        sum += sample * sample
                    }
                    
                    let rms = sqrt(sum / Float(endSample - startSample))
                    
                    // For silent audio, rms will be very low (< 0.01)
                    // Scale appropriately - silent audio should show flat/low bars

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