feat(capture): adjusted video export bitrates and keyframe intervals, removed specific compression properties, and set global high interpolation quality for camera video rendering.

Author: jkuri

Reframed/Compositor/CameraVideoCompositor.swift

@@ -78,6 +78,8 @@ final class CameraVideoCompositor: NSObject, AVVideoCompositing, @unchecked Send
       return
     }
 
+    context.interpolationQuality = .high
+
     let canvasRect = CGRect(x: 0, y: 0, width: width, height: height)
 
     drawBackground(in: context, rect: canvasRect, instruction: instruction, colorSpace: colorSpace)
@@ -152,7 +154,6 @@ final class CameraVideoCompositor: NSObject, AVVideoCompositing, @unchecked Send
         if instruction.videoCornerRadius <= 0 {
           context.clip(to: videoRect)
         }
-        context.interpolationQuality = .high
         context.draw(img, in: drawRect)
       } else {
         context.draw(img, in: videoRect)

Reframed/Compositor/VideoCompositor.swift

@@ -450,12 +450,13 @@ enum VideoCompositor {
         AVVideoHeightKey: Int(renderSize.height),
       ]
     } else {
-      let compressionProperties: [String: Any]
+      var compressionProperties: [String: Any]
       if codec == .hevc {
-        compressionProperties = [AVVideoAverageBitRateKey: pixels * exportFPS * 0.04]
+        compressionProperties = [AVVideoAverageBitRateKey: pixels * exportFPS * 0.07]
       } else {
-        compressionProperties = [AVVideoAverageBitRateKey: pixels * exportFPS * 0.06]
+        compressionProperties = [AVVideoAverageBitRateKey: pixels * exportFPS * 0.1]
       }
+      compressionProperties[AVVideoMaxKeyFrameIntervalKey] = exportFPS
       videoSettings = [
         AVVideoCodecKey: codec,
         AVVideoWidthKey: Int(renderSize.width),
@@ -779,19 +780,16 @@ enum VideoCompositor {
       let exportFPS = Double(fps)
       let bitRate: Double
       if codec == .h265 {
-        bitRate = pixels * exportFPS * 0.04
+        bitRate = pixels * exportFPS * 0.07
       } else {
-        bitRate = pixels * exportFPS * 0.06
+        bitRate = pixels * exportFPS * 0.1
       }
-      var compressionProperties: [String: Any] = [
+      let compressionProperties: [String: Any] = [
         AVVideoAverageBitRateKey: bitRate,
         AVVideoAllowFrameReorderingKey: false,
         AVVideoExpectedSourceFrameRateKey: fps,
-        kVTCompressionPropertyKey_RealTime as String: true,
+        AVVideoMaxKeyFrameIntervalKey: fps,
       ]
-      if codec == .h265 {
-        compressionProperties[kVTCompressionPropertyKey_PrioritizeEncodingSpeedOverQuality as String] = true
-      }
       videoOutputSettings = [
         AVVideoCodecKey: videoCodec,
         AVVideoWidthKey: Int(renderSize.width),