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有没有办法来检索iphone相机取样的宽度和高度?我正在瞄准iOS4,直到进入didOutputSampleBuffer委托,才知道宽度或高度是多少。如何获得iPhone相机的宽度和高度
下面是实际获取在委托的宽度和高度的代码:
- (void) captureOutput:(AVCaptureOutput*)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection*)connection
{
CVImageBufferRef imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer);
CVPixelBufferLockBaseAddress(imageBuffer, 0);
uint8_t* baseAddress = (uint8_t*)CVPixelBufferGetBaseAddress(imageBuffer);
size_t bytesPerRow = CVPixelBufferGetBytesPerRow(imageBuffer);
size_t width = CVPixelBufferGetWidth(imageBuffer);
size_t height = CVPixelBufferGetHeight(imageBuffer);
...