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Audio/AudioSource: Add GetSampleOffsetAndLatency

This commit is contained in:
Lynix 2022-05-08 15:44:41 +02:00
parent 41712a3f18
commit 17b1c2407d
5 changed files with 37 additions and 7 deletions
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9
include/Nazara/Audio/AudioSource.hpp
View File

@ -20,6 +20,8 @@ namespace Nz
class NAZARA_AUDIO_API AudioSource
{
public:
struct OffsetWithLatency;
inline AudioSource(std::shared_ptr<AudioDevice> device);
AudioSource(const AudioSource&) = delete;
AudioSource(AudioSource&&) = delete;
@ -34,6 +36,7 @@ namespace Nz
virtual float GetPitch() const = 0;
virtual Vector3f GetPosition() const = 0;
virtual UInt32 GetSampleOffset() const = 0;
virtual OffsetWithLatency GetSampleOffsetAndLatency() const = 0;
virtual Vector3f GetVelocity() const = 0;
virtual SoundStatus GetStatus() const = 0;
virtual float GetVolume() const = 0;
@ -64,6 +67,12 @@ namespace Nz
AudioSource& operator=(const AudioSource&) = delete;
AudioSource& operator=(AudioSource&&) = delete;
struct OffsetWithLatency
{
UInt64 sampleOffset;
UInt64 sourceLatency;
};
private:
std::shared_ptr<AudioDevice> m_device;
};

1
include/Nazara/Audio/DummyAudioSource.hpp
View File

@ -32,6 +32,7 @@ namespace Nz
float GetPitch() const override;
Vector3f GetPosition() const override;
UInt32 GetSampleOffset() const override;
OffsetWithLatency GetSampleOffsetAndLatency() const override;
Vector3f GetVelocity() const override;
SoundStatus GetStatus() const override;
float GetVolume() const override;

1
include/Nazara/Audio/OpenALSource.hpp
View File

@ -36,6 +36,7 @@ namespace Nz
float GetPitch() const override;
Vector3f GetPosition() const override;
UInt32 GetSampleOffset() const override;
OffsetWithLatency GetSampleOffsetAndLatency() const override;
Vector3f GetVelocity() const override;
SoundStatus GetStatus() const override;
float GetVolume() const override;

9
src/Nazara/Audio/DummyAudioSource.cpp
View File

@ -68,6 +68,15 @@ namespace Nz
return SafeCast<UInt32>(sampleOffset);
}
auto DummyAudioSource::GetSampleOffsetAndLatency() const -> OffsetWithLatency
{
OffsetWithLatency info;
info.sampleOffset = GetSampleOffset() * 1000;
info.sourceLatency = 0;
return info;
}
Vector3f DummyAudioSource::GetVelocity() const
{
return m_velocity;

24
src/Nazara/Audio/OpenALSource.cpp
View File

@ -75,23 +75,33 @@ namespace Nz
{
GetDevice().MakeContextCurrent();
ALint samples = 0;
m_library.alGetSourcei(m_sourceId, AL_SAMPLE_OFFSET, &samples);
return SafeCast<UInt32>(samples);
}
auto OpenALSource::GetSampleOffsetAndLatency() const -> OffsetWithLatency
{
OffsetWithLatency offsetWithLatency;
if (GetDevice().IsExtensionSupported(OpenALExtension::SourceLatency))
{
GetDevice().MakeContextCurrent();
std::array<ALint64SOFT, 2> values;
m_library.alGetSourcei64vSOFT(m_sourceId, AL_SAMPLE_OFFSET_LATENCY_SOFT, values.data());
ALint64SOFT sampleOffset = (values[0] & 0xFFFFFFFF00000000) >> 32;
ALint64SOFT latency = values[1] / 1'000'000;
offsetWithLatency.sampleOffset = ((values[0] & 0xFFFFFFFF00000000) >> 32) * 1'000;
offsetWithLatency.sourceLatency = values[1] / 1'000;
return SafeCast<UInt32>(sampleOffset + latency);
}
else
{
ALint samples = 0;
m_library.alGetSourcei(m_sourceId, AL_SAMPLE_OFFSET, &samples);
return SafeCast<UInt32>(samples);
offsetWithLatency.sampleOffset = GetSampleOffset() * 1'000;
offsetWithLatency.sourceLatency = 0;
}
return offsetWithLatency;
}
Vector3f OpenALSource::GetVelocity() const