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[client] audio: adapt buffer to network jitter
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This commit is contained in:
Geoffrey McRae
2026-08-12 14:36:57 +10:00
parent 173316a5a9
commit 52f7c3a896
1 changed files with 2 additions and 6 deletions
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8
client/src/audio.c
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@@ -2367,18 +2367,14 @@ static PlaybackDataResult playbackData(const void * data, size_t frameCount,
sourceData->sourcePacketDurationSec * audio.playback.sampleRate); sourceData->sourcePacketDurationSec * audio.playback.sampleRate);
/* The device period, delivery jitter, packet phase, and resampler delay /* The device period, delivery jitter, packet phase, and resampler delay
* define the minimum viable latency. Provider feedback directly controls * define the minimum viable latency. Provider feedback directly controls
* the source rate, so latencyOffset only applies to local rate control. * the source rate, so latencyOffset only applies to local rate control. */
* Provider delivery reserve is bounded because late USB packets must be
* skipped rather than allowed to become persistent playback latency. */
const double latencyOffsetFrames = providerRateControl ? 0.0 : const double latencyOffsetFrames = providerRateControl ? 0.0 :
max(g_params.audioLatencyOffset, 0) * max(g_params.audioLatencyOffset, 0) *
audio.playback.sampleRate / 1000.0; audio.playback.sampleRate / 1000.0;
const double arrivalJitterFrames = const double arrivalJitterFrames =
sourceData->arrivalJitterSec * audio.playback.sampleRate; sourceData->arrivalJitterSec * audio.playback.sampleRate;
const double arrivalReserveFrames = const double arrivalReserveFrames =
(providerRateControl ? arrivalJitterFrames + 0.001 * audio.playback.sampleRate;
min(arrivalJitterFrames, backlogGuardFrames) :
arrivalJitterFrames) + 0.001 * audio.playback.sampleRate;
const double minimumLowWaterReserveFrames = const double minimumLowWaterReserveFrames =
maxPeriodFrames * 0.1 + arrivalReserveFrames; maxPeriodFrames * 0.1 + arrivalReserveFrames;
const double minimumLowWaterFrames = const double minimumLowWaterFrames =