Module Name

module-alsa-source

Module Options

• name: string, name of the source, to be prefixed
• source_name: string, name for the source
• source_properties: proplist, properties for the source
• namereg_fail: bool, when false attempt to synthesise new source_name if it is already taken
• device: string, default default, ALSA device
• device_id: string, ALSA card index
• format: format, sample format
• rate: int, sample rate
• alternate_rate: int, alternate sample rate
• channels: int, number of channels
• channel_map: chmap, channel map
• fragments: int, number of fragments
• fragment_size: int, fragment size
• mmap: bool, enable memory mapping
• tsched: bool, enable system timer based scheduling mode
• tsched_buffer_size: int, buffer size when using timer based scheduling
• tsched_buffer_watermark: int, lower fill watermark
• control: string, name of mixer control, or name and index separated by a comma
• rewind_safeguard: int, number of bytes that cannot be rewound
• deferred_volume: bool, Synchronize software and hardware volume changes to avoid momentary jumps
• deferred_volume_safety_margin: usec, adjustment depending on volume direction
• deferred_volume_extra_delay: usec, adjustment to HW volume changes
• fixed_latency_range: bool, disable latency range changes on underrun