2013-05-20 05:12:28 +08:00
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#
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# For a description of the syntax of this configuration file,
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# see misc/tools/kconfig-language.txt.
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#
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config AUDIO
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bool "Audio Support"
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default n
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---help---
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Enables overall support for Audio library.
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if AUDIO
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config AUDIO_NCHANNELS
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int "Number of Audio Channels"
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default 2
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---help---
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Stereo channel support is standard, but some systems may support 5 or 7
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channel capability.
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config AUDIO_LARGE_BUFFERS
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bool "Support Audio Buffers with greater than 65K samples"
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default n
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---help---
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By default, the Audio Pipeline Buffer uses a 16-bit max sample count, limiting
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the number of samples per buffer to 65K. Enable this option to specify a
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32-bit max sample count for increased samples / buffer capability.
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channel capability.
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2013-05-22 03:13:05 +08:00
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config AUDIO_CUSTOM_DEV_PATH
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bool "Use custom device path"
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default n
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---help---
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By default, all audio devices on the target are are registered in the
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/dev/audio directory. Select this option to change the default location
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for the device registration.
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if AUDIO_CUSTOM_DEV_PATH
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config AUDIO_DEV_ROOT
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bool "Place audio devices in /dev"
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default n
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---help---
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This option causes all device entries to appear in /dev with all the
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other device entries. This option generates the smallest code and
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RAM footprint.
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if !AUDIO_DEV_ROOT
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config AUDIO_DEV_PATH
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string "Base path for Audio devices"
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default "/dev/audio"
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---help---
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The path on the target where audio devices are registered. The default
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is to place all audio devices in the /dev/audio/ directory.
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endif
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endif
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2013-05-20 05:12:28 +08:00
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menu "Supported Audio Formats"
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config AUDIO_FORMAT_PCM
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bool "PCM Audio"
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default y
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---help---
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Build in support for PCM Audio format.
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config AUDIO_FORMAT_MP3
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bool "MPEG 3 Layer 1"
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default n
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---help---
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Build in support for MP3 Audio format.
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config AUDIO_FORMAT_WMA
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bool "WMA Format (see copyright notice)"
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default n
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---help---
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Add in support for Microsoft Windows Media format.
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config AUDIO_FORMAT_OGG_VORBIS
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bool "Ogg Vorbis format"
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default n
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---help---
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Build in support for the Open Source Ogg Vorbis format.
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endmenu
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2013-05-22 03:13:05 +08:00
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# These are here as placeholders of what could be added
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2013-05-20 05:12:28 +08:00
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if CONFIG_AUDIO_PLANNED
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config AUDIO_MIXER
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bool "Planned - Enable support for the software based Audio Mixer"
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default n
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---help---
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The Audio mixer is a software-only based component that can be used
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to perform audio channel or device mixing.
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config AUDIO_MIDI_SYNTH
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bool "Planned - Enable support for the software-based MIDI synthisizer"
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default n
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---help---
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Builds a simple MIDI synthisizer.
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config AUDIO_OUTPUT_JACK_CONTROL
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bool "Planned - Enable support for output jack control"
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default n
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---help---
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Builds a simple MIDI synthisizer.
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config AUDIO_FONT
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bool "Planned - Enable support for the Audio Font"
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default n
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---help---
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The Audio font provides common audio symbols.
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endif
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endif
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