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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | Zita-alsa-pcmi is the successor of clalsadrv. It provides easy access
to ALSA PCM devices, taking care of the many functions required to
open, initialise and use a hw: device in mmap mode, and providing
floating point audio data.
Release 0.1.1 (26/01/2012)
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* This release is almost API compatible with clalsadrv-2.x.x.
The only changes your source code will need are:
- Change the include file.
- Change the type of any interface objects.
- Replace calls to stat() by state().
- If you want error reporting on stderr, add an optional
parameter to the constructor. See include file for details.
* Added support for big-endian PCM formats.
* Added support for reading and writing interleaved user buffers.
* Error messages on stderr can be selectively enabled. If an app
is compiled without them, they can be re-enabled at runtime by
defining the environment variable ZITA_ALSA_PCMI_DEBUG, so they
are now by default off. See source code for details.
* Two simple demo programs are provided, one of them is the ALSA
version of jack_delay. Complete documentation will follow later.
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