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Code Issues Releases Activity

Audio: Correct buffer release for host timing.

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This commit is contained in:
Fernando Sahmkow 2020-05-29 17:37:57 -04:00
parent 7fd7d05838
commit e3d561fb84
3 changed files with 22 additions and 1 deletions
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15
src/audio_core/stream.cpp
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@ -66,6 +66,15 @@ s64 Stream::GetBufferReleaseNS(const Buffer& buffer) const {
return ns.count();
}
s64 Stream::GetBufferReleaseNSHostTiming(const Buffer& buffer) const {
const std::size_t num_samples{buffer.GetSamples().size() / GetNumChannels()};
/// DSP signals before playing the last sample, in HLE we emulate this in this way
s64 base_samples = std::max<s64>(static_cast<s64>(num_samples) - 1, 0);
const auto ns =
std::chrono::nanoseconds((static_cast<u64>(base_samples) * 1000000000ULL) / sample_rate);
return ns.count();
}
static void VolumeAdjustSamples(std::vector<s16>& samples, float game_volume) {
const float volume{std::clamp(Settings::Volume() - (1.0f - game_volume), 0.0f, 1.0f)};
@ -105,7 +114,11 @@ void Stream::PlayNextBuffer() {
sink_stream.EnqueueSamples(GetNumChannels(), active_buffer->GetSamples());
core_timing.ScheduleEvent(GetBufferReleaseNS(*active_buffer), release_event, {});
if (core_timing.IsHostTiming()) {
core_timing.ScheduleEvent(GetBufferReleaseNSHostTiming(*active_buffer), release_event, {});
} else {
core_timing.ScheduleEvent(GetBufferReleaseNS(*active_buffer), release_event, {});
}
}
void Stream::ReleaseActiveBuffer() {

3
src/audio_core/stream.h
View file

@ -98,6 +98,9 @@ private:
/// Gets the number of core cycles when the specified buffer will be released
s64 GetBufferReleaseNS(const Buffer& buffer) const;
/// Gets the number of core cycles when the specified buffer will be released
s64 GetBufferReleaseNSHostTiming(const Buffer& buffer) const;
u32 sample_rate; ///< Sample rate of the stream
Format format; ///< Format of the stream
float game_volume = 1.0f; ///< The volume the game currently has set

5
src/core/core_timing.h
View file

@ -72,6 +72,11 @@ public:
this->is_multicore = is_multicore;
}
/// Check if it's using host timing.
bool IsHostTiming() const {
return is_multicore;
}
/// Pauses/Unpauses the execution of the timer thread.
void Pause(bool is_paused);