关键帧bug 修改

Author: 大朴

LFLiveKit/coder/LFHardwareVideoEncoder.m

@@ -61,7 +61,7 @@ - (void)initCompressionSession {
 
     _currentVideoBitRate = _configuration.videoBitRate;
     VTSessionSetProperty(compressionSession, kVTCompressionPropertyKey_MaxKeyFrameInterval, (__bridge CFTypeRef)@(_configuration.videoMaxKeyframeInterval));
-    VTSessionSetProperty(compressionSession, kVTCompressionPropertyKey_MaxKeyFrameIntervalDuration, (__bridge CFTypeRef)@(_configuration.videoMaxKeyframeInterval));
+    VTSessionSetProperty(compressionSession, kVTCompressionPropertyKey_MaxKeyFrameIntervalDuration, (__bridge CFTypeRef)@(_configuration.videoMaxKeyframeInterval/_configuration.videoFrameRate));
     VTSessionSetProperty(compressionSession, kVTCompressionPropertyKey_ExpectedFrameRate, (__bridge CFTypeRef)@(_configuration.videoFrameRate));
     VTSessionSetProperty(compressionSession, kVTCompressionPropertyKey_AverageBitRate, (__bridge CFTypeRef)@(_configuration.videoBitRate));
     NSArray *limit = @[@(_configuration.videoBitRate * 1.5/8), @(1)];