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authorswurl <swurl@swurl.xyz>2025-05-31 02:33:02 -0400
committerswurl <swurl@swurl.xyz>2025-05-31 02:33:02 -0400
commit6c655321e6b04b8648802e296bb5ca11d290ae68 (patch)
tree5c906511e4a2910ce8b806bb9d763b524c28619e /externals/oboe/src/flowgraph/SinkI24.cpp
parentc0cceff365f754f8859f4c9a0362ebdba7ea388b (diff)
Move dead submodules in-tree
Signed-off-by: swurl <swurl@swurl.xyz>
Diffstat (limited to 'externals/oboe/src/flowgraph/SinkI24.cpp')
-rw-r--r--externals/oboe/src/flowgraph/SinkI24.cpp66
1 files changed, 66 insertions, 0 deletions
diff --git a/externals/oboe/src/flowgraph/SinkI24.cpp b/externals/oboe/src/flowgraph/SinkI24.cpp
new file mode 100644
index 0000000000..d4f68b6847
--- /dev/null
+++ b/externals/oboe/src/flowgraph/SinkI24.cpp
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2018 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 <algorithm>
+#include <unistd.h>
+
+
+#include "FlowGraphNode.h"
+#include "SinkI24.h"
+
+#if FLOWGRAPH_ANDROID_INTERNAL
+#include <audio_utils/primitives.h>
+#endif
+
+using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph;
+
+SinkI24::SinkI24(int32_t channelCount)
+ : FlowGraphSink(channelCount) {}
+
+int32_t SinkI24::read(void *data, int32_t numFrames) {
+ uint8_t *byteData = (uint8_t *) data;
+ const int32_t channelCount = input.getSamplesPerFrame();
+
+ int32_t framesLeft = numFrames;
+ while (framesLeft > 0) {
+ // Run the graph and pull data through the input port.
+ int32_t framesRead = pullData(framesLeft);
+ if (framesRead <= 0) {
+ break;
+ }
+ const float *floatData = input.getBuffer();
+ int32_t numSamples = framesRead * channelCount;
+#if FLOWGRAPH_ANDROID_INTERNAL
+ memcpy_to_p24_from_float(byteData, floatData, numSamples);
+ static const int kBytesPerI24Packed = 3;
+ byteData += numSamples * kBytesPerI24Packed;
+ floatData += numSamples;
+#else
+ const int32_t kI24PackedMax = 0x007FFFFF;
+ const int32_t kI24PackedMin = 0xFF800000;
+ for (int i = 0; i < numSamples; i++) {
+ int32_t n = (int32_t) (*floatData++ * 0x00800000);
+ n = std::min(kI24PackedMax, std::max(kI24PackedMin, n)); // clip
+ // Write as a packed 24-bit integer in Little Endian format.
+ *byteData++ = (uint8_t) n;
+ *byteData++ = (uint8_t) (n >> 8);
+ *byteData++ = (uint8_t) (n >> 16);
+ }
+#endif
+ framesLeft -= framesRead;
+ }
+ return numFrames - framesLeft;
+}