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This patch file changes the build configuration files to add alsa-dsp
plugin to communicate
with n770 system.
Signed-off-by: Eduardo Valentin <eduardo.valentin@indt.org.br>
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This patch file adds an ALSA External Control plugin. This source uses
the dsp-protocol
implementation.
The plugin probes for all communication channel at the start time. It
will handle only
channels specified into alsa configuration file. An configuration example is:
# Mixer
ctl.!default {
type dsp_ctl
playback_devices ["/dev/dsptask/pcm2"]
recording_devices ["/dev/dsptask/pcm_rec"]
}
Signed-off-by: Eduardo Valentin <eduardo.valentin@indt.org.br>
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This patch file adds an ALSA External PCM I/O plugin. This source uses
the dsp-protocol
implementation.
The plugin probes for a free communication channel at the start time.
It will probe only
for channels specified into the configuration file for the plugin. An
configuration example is:
# PCM
pcm.!default {
type alsa_dsp
playback_device_file ["/dev/dsptask/pcm2"]
recording_device_file ["/dev/dsptask/pcm_rec"]
}
The plugin supports the following:
* Playback:
o 16-bit PCM formats:
+ S16_LE
+ S16_BE
+ U16_LE
+ U16_BE
o 8-bit PCM formats:
+ A_LAW
+ MU_LAW
+ U8
+ S8
o Rates:
+ 8 KHz
+ 11.025 KHz
+ 12 KHz
+ 16 KHz
+ 22.050 KHz
+ 24 KHz
+ 32 KHz
+ 44.1 KHz
+ 48 KHz
o Channels:
+ Mono
+ Stereo
* Recording:
o 16-bit PCM formats:
+ S16_LE
o 8-bit PCM formats:
+ A_LAW
+ MU_LAW
o Rates:
+ 8 KHz
o Channels
+ Mono
Signed-off-by: Eduardo Valentin <eduardo.valentin@indt.org.br>
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This patch file adds communication protocol with maemo SDK audio system.
Signed-off-by: Eduardo Valentin <eduardo.valentin@indt.org.br>
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This patch file adds header files needed by alsa-dsp plugin.
Signed-off-by: Eduardo Valentin <eduardo.valentin@indt.org.br>
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