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Camera and editor improvements

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This commit is contained in:
Ilya Laktyushin
2023-05-27 02:29:23 +04:00
parent e419ccf8f3
commit 2d738fbfac
20 changed files with 960 additions and 703 deletions
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39
submodules/TelegramUI/Components/MediaEditor/Sources/VideoTextureSource.swift
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@@ -3,6 +3,28 @@ import AVFoundation
import Metal
import MetalKit
func textureRotatonForAVAsset(_ asset: AVAsset) -> TextureRotation {
for track in asset.tracks {
if track.mediaType == .video {
let t = track.preferredTransform
if t.a == -1.0 && t.d == -1.0 {
return .rotate180Degrees
} else if t.a == 1.0 && t.d == 1.0 {
return .rotate0Degrees
} else if t.b == -1.0 && t.c == 1.0 {
return .rotate270Degrees
} else if t.a == -1.0 && t.d == 1.0 {
return .rotate270Degrees
} else if t.a == 1.0 && t.d == -1.0 {
return .rotate180Degrees
} else {
return .rotate90Degrees
}
}
}
return .rotate0Degrees
}
final class VideoTextureSource: NSObject, TextureSource, AVPlayerItemOutputPullDelegate {
private let player: AVPlayer
private var playerItem: AVPlayerItem?
@@ -80,23 +102,10 @@ final class VideoTextureSource: NSObject, TextureSource, AVPlayerItemOutputPullD
for track in playerItem.asset.tracks {
if track.mediaType == .video {
hasVideoTrack = true
let t = track.preferredTransform
if t.a == -1.0 && t.d == -1.0 {
self.textureRotation = .rotate180Degrees
} else if t.a == 1.0 && t.d == 1.0 {
self.textureRotation = .rotate0Degrees
} else if t.b == -1.0 && t.c == 1.0 {
self.textureRotation = .rotate270Degrees
} else if t.a == -1.0 && t.d == 1.0 {
self.textureRotation = .rotate270Degrees
} else if t.a == 1.0 && t.d == -1.0 {
self.textureRotation = .rotate180Degrees
} else {
self.textureRotation = .rotate90Degrees
}
break
}
}
self.textureRotation = textureRotatonForAVAsset(playerItem.asset)
if !hasVideoTrack {
assertionFailure("No video track found.")
return