Copies the next sample buffer for the output.
- iOS 4.1+
- macOS 10.7+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
The output sample buffer, or
NULL if there are no more sample buffers available for the output within the time range specified by the asset reader’s
timeRange property. Ownership follows the The Create Rule.
If this method returns
NULL, you should check the value of the associated
status property to determine why it couldn't read any more samples.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.Learn more about using Apple's beta software