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Fix T83997: Duplicated audio does not sound the same

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The issue was that sounds were always faded from 0 volume when they
started and depending on the currently used buffer size, the fading took
longer or shorter.

The solution stores whether the sound has ever been played back and
consequently does not fade when starting to play back.
This commit is contained in:
Jörg Müller
2020-12-24 10:39:28 +01:00
parent c9efb54240
commit 83ad35cb9c
2 changed files with 21 additions and 1 deletions
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3
extern/audaspace/include/devices/SoftwareDevice.h vendored
View File

@@ -72,6 +72,9 @@ protected:
/// The channel mapper reader in between.
std::shared_ptr<ChannelMapperReader> m_mapper;
/// Whether the source is being read for the first time.
bool m_first_reading;
/// Whether to keep the source if end of it is reached.
bool m_keep;

19
extern/audaspace/src/devices/SoftwareDevice.cpp vendored
View File

@@ -78,7 +78,7 @@ bool SoftwareDevice::SoftwareHandle::pause(bool keep)
}
SoftwareDevice::SoftwareHandle::SoftwareHandle(SoftwareDevice* device, std::shared_ptr<IReader> reader, std::shared_ptr<PitchReader> pitch, std::shared_ptr<ResampleReader> resampler, std::shared_ptr<ChannelMapperReader> mapper, bool keep) :
m_reader(reader), m_pitch(pitch), m_resampler(resampler), m_mapper(mapper), m_keep(keep), m_user_pitch(1.0f), m_user_volume(1.0f), m_user_pan(0.0f), m_volume(0.0f), m_old_volume(0.0f), m_loopcount(0),
m_reader(reader), m_pitch(pitch), m_resampler(resampler), m_mapper(mapper), m_first_reading(true), m_keep(keep), m_user_pitch(1.0f), m_user_volume(1.0f), m_user_pan(0.0f), m_volume(0.0f), m_old_volume(0.0f), m_loopcount(0),
m_relative(true), m_volume_max(1.0f), m_volume_min(0), m_distance_max(std::numeric_limits<float>::max()),
m_distance_reference(1.0f), m_attenuation(1.0f), m_cone_angle_outer(M_PI), m_cone_angle_inner(M_PI), m_cone_volume_outer(0),
m_flags(RENDER_CONE), m_stop(nullptr), m_stop_data(nullptr), m_status(STATUS_PLAYING), m_device(device)
@@ -106,6 +106,14 @@ void SoftwareDevice::SoftwareHandle::update()
if(m_pitch->getSpecs().channels != CHANNELS_MONO)
{
m_volume = m_user_volume;
// we don't know a previous volume if this source has never been read before
if(m_first_reading)
{
m_old_volume = m_volume;
m_first_reading = false;
}
m_pitch->setPitch(m_user_pitch);
return;
}
@@ -214,6 +222,13 @@ void SoftwareDevice::SoftwareHandle::update()
m_volume *= m_user_volume;
}
// we don't know a previous volume if this source has never been read before
if(m_first_reading)
{
m_old_volume = m_volume;
m_first_reading = false;
}
// 3D Cue
Quaternion orientation;
@@ -754,6 +769,8 @@ void SoftwareDevice::mix(data_t* buffer, int length)
{
m_mixer->mix(buf, pos, len, sound->m_volume, sound->m_old_volume);
sound->m_old_volume = sound->m_volume;
pos += len;
if(sound->m_loopcount > 0)