MATLAB COMPILER RELEASE NOTES Guía de usuario Pagina 274

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R2011a
9-12
Programming
Regenerate P-code Files Built Before Version 7.5
To enable the MATLAB software to take advantage of significant performance
improvements planned for a future release, MathWorks recommends that you begin to
regenerate any P-code files you use that were generated prior to MATLAB 7.5 (release
R2007b). P-code files generated in releases earlier than R2007b will not run in this
future release with the new performance features enabled.
Compatibility Considerations
Using MATLAB 7.5 or later, rebuild any P-code files that you expect to need in the
future.
VideoWriter Supports Motion JPEG 2000 Files
VideoWriter now creates Motion JPEG 2000 (.mj2) files, which support logging data
with these features:
Multi-byte precision, such as 10, 12, or 16 bits
Signed data values
Lossless compression
For more information, see the VideoWriter reference page.
audioplayer and audiorecorder Support Device Selection on All Platforms
audioplayer and audiorecorder now allow you to specify the input or output device
on all supported platforms. In previous releases, you could only specify devices on
Microsoft Windows systems.
Compatibility Considerations
audioplayer, audiorecorder, and audiodevinfo now use different technology
for enumerating system input and output devices. If your existing code specifies a
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