From 6c655321e6b04b8648802e296bb5ca11d290ae68 Mon Sep 17 00:00:00 2001 From: swurl Date: Sat, 31 May 2025 02:33:02 -0400 Subject: Move dead submodules in-tree Signed-off-by: swurl --- externals/oboe/src/flowgraph/SourceI32.cpp | 54 ++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 externals/oboe/src/flowgraph/SourceI32.cpp (limited to 'externals/oboe/src/flowgraph/SourceI32.cpp') diff --git a/externals/oboe/src/flowgraph/SourceI32.cpp b/externals/oboe/src/flowgraph/SourceI32.cpp new file mode 100644 index 0000000000..b1c8f75ab6 --- /dev/null +++ b/externals/oboe/src/flowgraph/SourceI32.cpp @@ -0,0 +1,54 @@ +/* + * Copyright 2020 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include +#include + +#include "FlowGraphNode.h" +#include "SourceI32.h" + +#if FLOWGRAPH_ANDROID_INTERNAL +#include +#endif + +using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph; + +SourceI32::SourceI32(int32_t channelCount) + : FlowGraphSourceBuffered(channelCount) { +} + +int32_t SourceI32::onProcess(int32_t numFrames) { + float *floatData = output.getBuffer(); + const int32_t channelCount = output.getSamplesPerFrame(); + + const int32_t framesLeft = mSizeInFrames - mFrameIndex; + const int32_t framesToProcess = std::min(numFrames, framesLeft); + const int32_t numSamples = framesToProcess * channelCount; + + const int32_t *intBase = static_cast(mData); + const int32_t *intData = &intBase[mFrameIndex * channelCount]; + +#if FLOWGRAPH_ANDROID_INTERNAL + memcpy_to_float_from_i32(floatData, intData, numSamples); +#else + for (int i = 0; i < numSamples; i++) { + *floatData++ = *intData++ * kScale; + } +#endif + + mFrameIndex += framesToProcess; + return framesToProcess; +} -- cgit v1.2.3