2014/10/15 下午 10:04:44

iphone Programming Glossary: bufferattributes

Writing video + generated audio to AVAssetWriterInput, audio stuttering

http://stackoverflow.com/questions/12187124/writing-video-generated-audio-to-avassetwriterinput-audio-stuttering

videoWriterInput.expectsMediaDataInRealTime YES Configure settings for the pixel buffer adaptor. NSDictionary bufferAttributes NSDictionary dictionaryWithObjectsAndKeys NSNumber numberWithInt kCVPixelFormatType_32ARGB kCVPixelBufferPixelFormatTypeKey.. assetWriterInputPixelBufferAdaptorWithAssetWriterInput videoWriterInput sourcePixelBufferAttributes bufferAttributes retain videoWriter addInput videoWriterInput pb Added audio input. sample_position_ 0 AudioChannelLayout acl bzero acl sizeof..

AVAssetWriter Woes

http://stackoverflow.com/questions/6189535/avassetwriter-woes

assetWriterInputWithMediaType AVMediaTypeVideo outputSettings videoSettings retain NSMutableDictionary bufferAttributes NSMutableDictionary alloc init bufferAttributes setObject NSNumber numberWithInt kCVPixelFormatType_32ARGB forKey NSString.. outputSettings videoSettings retain NSMutableDictionary bufferAttributes NSMutableDictionary alloc init bufferAttributes setObject NSNumber numberWithInt kCVPixelFormatType_32ARGB forKey NSString kCVPixelBufferPixelFormatTypeKey bufferAttributes.. setObject NSNumber numberWithInt kCVPixelFormatType_32ARGB forKey NSString kCVPixelBufferPixelFormatTypeKey bufferAttributes setObject NSNumber numberWithInt 480 forKey NSString kCVPixelBufferWidthKey bufferAttributes setObject NSNumber numberWithInt..