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....xcodeproj/project.xcworkspace/xcuserdata/kven.xcuserdatad/UserInterfaceState.xcuserstate
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97 changes: 97 additions & 0 deletions
97
...Core/AudioGraph/EffectsUnits/ReplayGain/LoudnessScan/FFmpegReplayGainScanner+Double.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| // | ||
| // FFmpegReplayGainScanner+Double.swift | ||
| // Aural | ||
| // | ||
| // Copyright © 2024 Kartik Venugopal. All rights reserved. | ||
| // | ||
| // This software is licensed under the MIT software license. | ||
| // See the file "LICENSE" in the project root directory for license terms. | ||
| // | ||
|
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| import Foundation | ||
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| extension FFmpegReplayGainScanner { | ||
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| func scanAsDouble() throws -> EBUR128AnalysisResult? { | ||
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| defer { | ||
| self.cleanUpAfterScan() | ||
| } | ||
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| do { | ||
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| var curSize: Int = 0 | ||
| let sizeOfAFrame = MemoryLayout<Double>.size * channelCount | ||
|
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| while !eof, consecutiveErrors < 3 { | ||
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| do { | ||
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| guard let pkt = try ctx.readPacket(from: stream) else { | ||
|
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| consecutiveErrors += 1 | ||
| continue | ||
| } | ||
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| let frames = try codec.decode(packet: pkt) | ||
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| for frame in frames.frames { | ||
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| // Only 1 buffer since interleaved. Capacity = sampleCount * number of bytes in Int16 * channelCount | ||
| let newSize = frame.intSampleCount * sizeOfAFrame | ||
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| if newSize > curSize { | ||
|
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| outputData?[0] = .allocate(capacity: newSize) | ||
| curSize = newSize | ||
| } | ||
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| swr?.convertFrame(frame, andStoreIn: outputData) | ||
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| let pointer: UnsafeMutablePointer<UInt8>? = outputData?[0] ?? frame.dataPointers[0] | ||
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| pointer?.withMemoryRebound(to: Double.self, capacity: frame.intSampleCount) {floatPtr in | ||
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| do { | ||
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| try ebur128.addFramesAsDouble(framesPointer: floatPtr, frameCount: frame.intSampleCount) | ||
| consecutiveErrors = 0 | ||
|
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| } catch let err as EBUR128Error { | ||
| print(err.description) | ||
|
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| } catch { | ||
| print("Unknown error: \(error.localizedDescription)") | ||
| } | ||
| } | ||
| } | ||
|
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| } catch let err as DecoderError { | ||
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| eof = err.isEOF | ||
|
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| if !err.isEOF { | ||
|
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| consecutiveErrors += 1 | ||
| print("Error: \(err.code.errorDescription)") | ||
| } | ||
|
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| } catch let err as PacketReadError { | ||
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| eof = err.isEOF | ||
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| if !err.isEOF { | ||
|
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| consecutiveErrors += 1 | ||
| print("Error: \(err.code.errorDescription)") | ||
| } | ||
| } | ||
| } | ||
|
|
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| } catch { | ||
| print("Error: \(error)") | ||
| } | ||
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| return consecutiveErrors >= 3 ? nil : try ebur128.analyze() | ||
| } | ||
| } |
97 changes: 97 additions & 0 deletions
97
.../Core/AudioGraph/EffectsUnits/ReplayGain/LoudnessScan/FFmpegReplayGainScanner+Float.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| // | ||
| // FFmpegReplayGainScanner+Float.swift | ||
| // Aural | ||
| // | ||
| // Copyright © 2024 Kartik Venugopal. All rights reserved. | ||
| // | ||
| // This software is licensed under the MIT software license. | ||
| // See the file "LICENSE" in the project root directory for license terms. | ||
| // | ||
|
|
||
| import Foundation | ||
|
|
||
| extension FFmpegReplayGainScanner { | ||
|
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| func scanAsFloat() throws -> EBUR128AnalysisResult? { | ||
|
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| defer { | ||
| self.cleanUpAfterScan() | ||
| } | ||
|
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| do { | ||
|
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| var curSize: Int = 0 | ||
| let sizeOfAFrame = MemoryLayout<Float>.size * channelCount | ||
|
|
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| while !eof, consecutiveErrors < 3 { | ||
|
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| do { | ||
|
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| guard let pkt = try ctx.readPacket(from: stream) else { | ||
|
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| consecutiveErrors += 1 | ||
| continue | ||
| } | ||
|
|
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| let frames = try codec.decode(packet: pkt) | ||
|
|
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| for frame in frames.frames { | ||
|
|
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| // Only 1 buffer since interleaved. Capacity = sampleCount * number of bytes in Int16 * channelCount | ||
| let newSize = frame.intSampleCount * sizeOfAFrame | ||
|
|
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| if newSize > curSize { | ||
|
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| outputData?[0] = .allocate(capacity: newSize) | ||
| curSize = newSize | ||
| } | ||
|
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| swr?.convertFrame(frame, andStoreIn: outputData) | ||
|
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| let pointer: UnsafeMutablePointer<UInt8>? = outputData?[0] ?? frame.dataPointers[0] | ||
|
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| pointer?.withMemoryRebound(to: Float.self, capacity: frame.intSampleCount) {floatPtr in | ||
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| do { | ||
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| try ebur128.addFramesAsFloat(framesPointer: floatPtr, frameCount: frame.intSampleCount) | ||
| consecutiveErrors = 0 | ||
|
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| } catch let err as EBUR128Error { | ||
| print(err.description) | ||
|
|
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| } catch { | ||
| print("Unknown error: \(error.localizedDescription)") | ||
| } | ||
| } | ||
| } | ||
|
|
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| } catch let err as DecoderError { | ||
|
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| eof = err.isEOF | ||
|
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| if !err.isEOF { | ||
|
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| consecutiveErrors += 1 | ||
| print("Error: \(err.code.errorDescription)") | ||
| } | ||
|
|
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| } catch let err as PacketReadError { | ||
|
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| eof = err.isEOF | ||
|
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| if !err.isEOF { | ||
|
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| consecutiveErrors += 1 | ||
| print("Error: \(err.code.errorDescription)") | ||
| } | ||
| } | ||
| } | ||
|
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| } catch { | ||
| print("Error: \(error)") | ||
| } | ||
|
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| return consecutiveErrors >= 3 ? nil : try ebur128.analyze() | ||
| } | ||
| } |
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