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alsa: add audio.allowed-rates param

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Add a construct and runtime param to limit the amount of allowed
samplerates used by the node.

Fixes #1932
This commit is contained in:
Wim Taymans 2022-01-03 16:03:23 +01:00
parent c3725d5dde
commit 67dc97fa43
4 changed files with 107 additions and 13 deletions
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2
spa/include/spa/param/audio/raw.h
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@ -304,6 +304,8 @@ struct spa_audio_info_raw {
#define SPA_KEY_AUDIO_RATE "audio.rate" /**< an audio sample rate as int */
#define SPA_KEY_AUDIO_POSITION "audio.position" /**< channel positions as comma separated list
* of channels ex. "FL,FR" */
#define SPA_KEY_AUDIO_ALLOWED_RATES "audio.allowed-rates" /**< a list of allowed samplerates
* ex. "[ 44100 48000 ]" */
struct spa_audio_info_dsp {
enum spa_audio_format format; /*< format, one of the DSP formats in enum spa_audio_format_dsp */