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chore: outsource functions to own utils file

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This commit is contained in:
Konstantin Späth 2023-09-09 16:15:51 +02:00
parent b1c49decbf
commit 33c0be449a
3 changed files with 65 additions and 56 deletions
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49
ios/Video/Features/RCTVideoTVUtils.swift Normal file
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@ -0,0 +1,49 @@
import Foundation
import AVFoundation
import AVKit
/*!
* Collection of helper functions for tvOS specific features
*/
#if os(tvOS)
enum RCTVideoTVUtils {
static func makeNavigationMarkerGroups(_ chapters: [Chapter]) -> [AVNavigationMarkersGroup] {
var metadataGroups = [AVTimedMetadataGroup]()
// Iterate over the defined chapters and build a timed metadata group object for each.
chapters.forEach { chapter in
metadataGroups.append(makeTimedMetadataGroup(for: chapter))
}
return [AVNavigationMarkersGroup(title: nil, timedNavigationMarkers: metadataGroups)]
}
static func makeTimedMetadataGroup(for chapter: Chapter) -> AVTimedMetadataGroup {
var metadata = [AVMetadataItem]()
// Create a metadata item that contains the chapter title.
let titleItem = RCTVideoUtils.createMetadataItem(for: .commonIdentifierTitle, value: chapter.title)
metadata.append(titleItem)
// Create a time range for the metadata group.
let timescale: Int32 = 600
let startTime = CMTime(seconds: chapter.startTime, preferredTimescale: timescale)
let endTime = CMTime(seconds: chapter.endTime, preferredTimescale: timescale)
let timeRange = CMTimeRangeFromTimeToTime(start: startTime, end: endTime)
// Image
if let imgUri = chapter.uri,
let uri = URL(string: imgUri),
let imgData = try? Data(contentsOf: uri),
let image = UIImage(data: imgData),
let pngData = image.pngData()
{
let imageItem = RCTVideoUtils.createMetadataItem(for: .commonIdentifierArtwork, value: pngData)
metadata.append(imageItem)
}
return AVTimedMetadataGroup(items: metadata, timeRange: timeRange)
}
}
#endif

14
ios/Video/Features/RCTVideoUtils.swift
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@ -316,4 +316,18 @@ enum RCTVideoUtils {
}
return (asset, assetOptions)
}
static func createMetadataItems(for mapping: [AVMetadataIdentifier: Any]) -> [AVMetadataItem] {
return mapping.compactMap { createMetadataItem(for:$0, value:$1) }
}
static func createMetadataItem(for identifier: AVMetadataIdentifier,
value: Any) -> AVMetadataItem {
let item = AVMutableMetadataItem()
item.identifier = identifier
item.value = value as? NSCopying & NSObjectProtocol
// Specify "und" to indicate an undefined language.
item.extendedLanguageTag = "und"
return item.copy() as! AVMetadataItem
}
}

58
ios/Video/RCTVideo.swift
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@ -391,71 +391,17 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
}
if #available(iOS 12.2, *), !mapping.isEmpty {
playerItem.externalMetadata = createMetadataItems(for: mapping)
playerItem.externalMetadata = RCTVideoUtils.createMetadataItems(for: mapping)
}
#if os(tvOS)
if let chapters = _chapters {
playerItem.navigationMarkerGroups = makeNavigationMarkerGroups(chapters)
playerItem.navigationMarkerGroups = RCTVideoTVUtils.makeNavigationMarkerGroups(chapters)
}
#endif
return playerItem
}
func createMetadataItems(for mapping: [AVMetadataIdentifier: Any]) -> [AVMetadataItem] {
return mapping.compactMap { createMetadataItem(for:$0, value:$1) }
}
#if os(tvOS)
private func makeNavigationMarkerGroups(_ chapters: [Chapter]) -> [AVNavigationMarkersGroup] {
var metadataGroups = [AVTimedMetadataGroup]()
// Iterate over the defined chapters and build a timed metadata group object for each.
chapters.forEach { chapter in
metadataGroups.append(makeTimedMetadataGroup(for: chapter))
}
return [AVNavigationMarkersGroup(title: nil, timedNavigationMarkers: metadataGroups)]
}
private func makeTimedMetadataGroup(for chapter: Chapter) -> AVTimedMetadataGroup {
var metadata = [AVMetadataItem]()
// Create a metadata item that contains the chapter title.
let titleItem = createMetadataItem(for: .commonIdentifierTitle, value: chapter.title)
metadata.append(titleItem)
// Create a time range for the metadata group.
let timescale: Int32 = 600
let startTime = CMTime(seconds: chapter.startTime, preferredTimescale: timescale)
let endTime = CMTime(seconds: chapter.endTime, preferredTimescale: timescale)
let timeRange = CMTimeRangeFromTimeToTime(start: startTime, end: endTime)
// Image
if let imgUri = chapter.uri,
let uri = URL(string: imgUri),
let imgData = try? Data(contentsOf: uri),
let image = UIImage(data: imgData),
let pngData = image.pngData()
{
let imageItem = createMetadataItem(for: .commonIdentifierArtwork, value: pngData)
metadata.append(imageItem)
}
return AVTimedMetadataGroup(items: metadata, timeRange: timeRange)
}
#endif
private func createMetadataItem(for identifier: AVMetadataIdentifier,
value: Any) -> AVMetadataItem {
let item = AVMutableMetadataItem()
item.identifier = identifier
item.value = value as? NSCopying & NSObjectProtocol
// Specify "und" to indicate an undefined language.
item.extendedLanguageTag = "und"
return item.copy() as! AVMetadataItem
}
// MARK: - Prop setters