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-rw-r--r--alc/alc.cpp13
-rw-r--r--alc/effects/base.h13
2 files changed, 26 insertions, 0 deletions
diff --git a/alc/alc.cpp b/alc/alc.cpp
index 75f809de..40bef38d 100644
--- a/alc/alc.cpp
+++ b/alc/alc.cpp
@@ -2098,6 +2098,12 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const int *attrList)
EffectState *state{slot->Effect.State.get()};
state->mOutTarget = device->Dry.Buffer;
state->deviceUpdate(device);
+ if(ALbuffer *buffer{slot->Buffer})
+ {
+ slot->Effect.Buffer = nullptr;
+ slot->Effect.Buffer.reset(state->createBuffer(device, buffer->mData.data(),
+ buffer->Frequency, buffer->mFmtType, buffer->mFmtChannels, buffer->SampleLen));
+ }
slot->updateProps(context);
}
@@ -2119,6 +2125,13 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const int *attrList)
EffectState *state{slot->Effect.State.get()};
state->mOutTarget = device->Dry.Buffer;
state->deviceUpdate(device);
+ if(ALbuffer *buffer{slot->Buffer})
+ {
+ slot->Effect.Buffer = nullptr;
+ slot->Effect.Buffer.reset(state->createBuffer(device, buffer->mData.data(),
+ buffer->Frequency, buffer->mFmtType, buffer->mFmtChannels,
+ buffer->SampleLen));
+ }
slot->updateProps(context);
}
}
diff --git a/alc/effects/base.h b/alc/effects/base.h
index 8ed3c6f8..f4ca6df2 100644
--- a/alc/effects/base.h
+++ b/alc/effects/base.h
@@ -8,6 +8,7 @@
#include "almalloc.h"
#include "alspan.h"
#include "atomic.h"
+#include "buffer_formats.h"
#include "intrusive_ptr.h"
struct ALeffectslot;
@@ -154,6 +155,10 @@ const EffectVtable T##_vtable = { \
}
+struct EffectBufferBase : public al::intrusive_ref<EffectBufferBase> {
+ virtual ~EffectBufferBase() = default;
+};
+
struct EffectTarget {
MixParams *Main;
RealMixParams *RealOut;
@@ -166,6 +171,14 @@ struct EffectState : public al::intrusive_ref<EffectState> {
virtual ~EffectState() = default;
virtual void deviceUpdate(const ALCdevice *device) = 0;
+ /* Implementations are currently required to copy the buffer data if they
+ * wish to hold on to it, as there's no guarantee the buffer won't be
+ * detached and deleted or altered during a mix.
+ */
+ virtual EffectBufferBase *createBuffer(const ALCdevice */*device*/,
+ const al::byte */*samplesData*/, ALuint /*sampleRate*/, FmtType /*sampleType*/,
+ FmtChannels /*channelType*/, ALuint /*numSamples*/)
+ { return nullptr; }
virtual void update(const ALCcontext *context, const ALeffectslot *slot, const EffectProps *props, const EffectTarget target) = 0;
virtual void process(const size_t samplesToDo, const al::span<const FloatBufferLine> samplesIn, const al::span<FloatBufferLine> samplesOut) = 0;
};