AVFoundation Camera : No audio for higher resolutions
Originator: | utugau | ||
Number: | rdar://31649115 | Date Originated: | April 16, 2017 |
Status: | OPEN | Resolved: | NO |
Product: | iOS - AVFoundation | Product Version: | iOS 10.3.1 |
Classification: | SERIOUS BUG | Reproducible: | always |
There is no audio when you choose some higher resolutions of a given camera. Test this on iPad Pro 9.7". 1. Setup a video camera application CIFunHouse, for example, to record videos with one of the following cameras or resolutions FRONT CAMERA: 960p @ 30 or 60 fps or BACK CAMERA 4032x3024 at 30 fps You will see that there is no audio. captureOutput:didOutputSampleBuffer:fromConnection: is never called for audio connections. If you store the output to a file, you will end with a video file without sound. I expect all allowed formats to have sound. This is not a matter of CPU load, because the front camera shooting at 960p results on a picture that is way smaller to 4032x3024 and there is still no sound.
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