AudioBridge audio limiter#3593

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m08pvv wants to merge 54 commits intomeetecho:masterfrom

m08pvv:ab_limiter

Commits on Oct 21, 2025

Add an audio limiter based on AGC2 from webrtc
val.v.petrov
committed

Commits on Oct 22, 2025

fix clamping
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include math.h
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added missing commas -_-'
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Merge remote-tracking branch 'origin/master' into ab_limiter
val.v.petrov
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fixing typos
val.v.petrov
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remove unused variable
val.v.petrov
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Commits on Oct 23, 2025

Added WebRTC license text (not sure if the place is correct)
val.v.petrov
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Move LICENSE.webrtc next to audiobridge code
val.v.petrov
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Commits on Oct 24, 2025

Adjust copyright comment for the code adapted from WebRTC project
val.v.petrov
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Merge remote-tracking branch 'origin/master' into ab_limiter
val.v.petrov
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AST-35514
val.v.petrov
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Commits on Oct 27, 2025

extract initialization into a separate function (force inline)
val.v.petrov
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Commits on Oct 28, 2025

extract some parts into a separate files, vectorize (AVX2, SSE4.2)
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fix compilation
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Added info log about used version of limiter (AVX2/SSE4.2 or scalar)
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Adjust cpuid checks
val.v.petrov
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Commits on Oct 29, 2025

Update limiter.h and limiter.c
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use scale_buffer and clamp_buffer
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fix declarations
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fix declarations
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Cleanup
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cleanup
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use int
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add some hints for compiler
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fixing compilation
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trying to avoid a false UB warning in some builds
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Declare envelope fixed size
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Fixed sizes where possible
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avoid subtraction to not confuse gcc
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Commits on Oct 30, 2025

use int for counter
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trying to help some versions of gcc to figure out that i < K_SUB_FRAMES_IN_FRAME
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now gcc must be satisfied
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proper and optimized clamping
val.v.petrov
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Commits on Oct 31, 2025

add tests
val.v.petrov
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Merge remote-tracking branch 'origin/master' into ab_limiter
val.v.petrov
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fix conditional compilation
val.v.petrov
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Commits on Nov 5, 2025

Merge branch 'meetecho:master' into ab_limiter
m08pvv
authored

Commits on Nov 6, 2025

License info
val.v.petrov
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remove mistakenly added param
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Add fullMixBuffer, so we calculate it only once for all silent participants
val.v.petrov
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fix type
val.v.petrov
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Merge branch 'meetecho:master' into ab_limiter
m08pvv
authored

Commits on Nov 10, 2025

set silence if decoded packet length is 0
val.v.petrov
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set silence if decoded packet length is 0
val.v.petrov
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Commits on Nov 11, 2025

Additional cases when we have silent participants and need to calculate full mix
val.v.petrov
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Log info about enabled limiter when starting audiobridge
val.v.petrov
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Commits on Nov 13, 2025

cleanup
val.v.petrov
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fix indentation
val.v.petrov
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Commits on Feb 11, 2026

Added links to repository and directory with C++ sources that were used to make audio limiter
val.v.petrov
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Merge remote-tracking branch 'origin/master' into ab_limiter
val.v.petrov
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Fix condition for limiter initialization
val.v.petrov
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Simplified condition
val.v.petrov
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Commits on Feb 20, 2026

Simplify initialization logic and use fullmix_buffer where needed
val.v.petrov
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