郭浩
f492caeb8b
新增 Live Photo 正式能力：单视频、二宫格、三宫格、四宫格、三连拼图、 长视频低成本诊断。增加 references/live-photo-production.md 生产规范、 scripts/ 工具链（contact sheet / .pvt 打包 / Apple metadata）、 validator R8 visual bounds + R9 title gap、文档约束测试。 由 Codex 完成主体实现。
45 lines
1.5 KiB
Swift
45 lines
1.5 KiB
Swift
import Foundation
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import ImageIO
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guard CommandLine.arguments.count == 4 else {
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fputs("Usage: swift add-livephoto-maker-note.swift <input.jpg> <output.jpg> <asset-id>\n", stderr)
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exit(2)
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}
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let inputURL = URL(fileURLWithPath: CommandLine.arguments[1])
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let outputURL = URL(fileURLWithPath: CommandLine.arguments[2])
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let assetIdentifier = CommandLine.arguments[3]
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guard let source = CGImageSourceCreateWithURL(inputURL as CFURL, nil) else {
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fputs("Could not open input image\n", stderr)
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exit(1)
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}
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guard let imageType = CGImageSourceGetType(source) else {
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fputs("Could not determine image type\n", stderr)
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exit(1)
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}
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let imageCount = CGImageSourceGetCount(source)
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guard let destination = CGImageDestinationCreateWithURL(outputURL as CFURL, imageType, imageCount, nil) else {
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fputs("Could not create output image\n", stderr)
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exit(1)
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}
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for index in 0..<imageCount {
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var properties = (CGImageSourceCopyPropertiesAtIndex(source, index, nil) as? [String: Any]) ?? [:]
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var makerApple = (properties[kCGImagePropertyMakerAppleDictionary as String] as? [String: Any]) ?? [:]
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makerApple["17"] = assetIdentifier
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properties[kCGImagePropertyMakerAppleDictionary as String] = makerApple
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CGImageDestinationAddImageFromSource(destination, source, index, properties as CFDictionary)
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}
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guard CGImageDestinationFinalize(destination) else {
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fputs("Could not finalize output image\n", stderr)
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exit(1)
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}
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print("Wrote Apple MakerNote asset identifier: \(assetIdentifier)")
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