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Choose the SDL audio backend when Cubeb reports too high of a latency

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This commit is contained in:
Kelebek1 2022-10-08 19:27:54 +01:00
parent 3733e23f07
commit 8351d39dd0
7 changed files with 95 additions and 32 deletions
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31
src/audio_core/sink/cubeb_sink.cpp
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@ -66,10 +66,10 @@ public:
const auto latency_error = cubeb_get_min_latency(ctx, &params, &minimum_latency);
if (latency_error != CUBEB_OK) {
LOG_CRITICAL(Audio_Sink, "Error getting minimum latency, error: {}", latency_error);
minimum_latency = 256U;
minimum_latency = TargetSampleCount * 2;
}
minimum_latency = std::max(minimum_latency, 256u);
minimum_latency = std::max(minimum_latency, TargetSampleCount * 2);
LOG_INFO(Service_Audio,
"Opening cubeb stream {} type {} with: rate {} channels {} (system channels {}) "
@ -326,4 +326,31 @@ std::vector<std::string> ListCubebSinkDevices(bool capture) {
return device_list;
}
u32 GetCubebLatency() {
cubeb* ctx;
if (cubeb_init(&ctx, "yuzu Latency Getter", nullptr) != CUBEB_OK) {
LOG_CRITICAL(Audio_Sink, "cubeb_init failed");
// Return a large latency so we choose SDL instead.
return 10000u;
}
cubeb_stream_params params{};
params.rate = TargetSampleRate;
params.channels = 2;
params.format = CUBEB_SAMPLE_S16LE;
params.prefs = CUBEB_STREAM_PREF_NONE;
params.layout = CUBEB_LAYOUT_STEREO;
u32 latency{0};
const auto latency_error = cubeb_get_min_latency(ctx, &params, &latency);
if (latency_error != CUBEB_OK) {
LOG_CRITICAL(Audio_Sink, "Error getting minimum latency, error: {}", latency_error);
latency = TargetSampleCount * 2;
}
latency = std::max(latency, TargetSampleCount * 2);
cubeb_destroy(ctx);
return latency;
}
} // namespace AudioCore::Sink