aaudio: test AAudioStream_setBufferSizeInFrames()
Bug: 69469801
Test: this is a test
Change-Id: I524392c1141ae3b1c37fe083930947fd7ef8243d
diff --git a/media/libaaudio/tests/test_various.cpp b/media/libaaudio/tests/test_various.cpp
new file mode 100644
index 0000000..9e505d5
--- /dev/null
+++ b/media/libaaudio/tests/test_various.cpp
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+// Test various AAudio features including AAudioStream_setBufferSizeInFrames().
+
+#include <stdio.h>
+//#include <stdlib.h>
+//#include <math.h>
+
+#include <android-base/macros.h>
+#include <aaudio/AAudio.h>
+
+#include <gtest/gtest.h>
+
+// Callback function that does nothing.
+aaudio_data_callback_result_t MyDataCallbackProc(
+ AAudioStream *stream,
+ void *userData,
+ void *audioData,
+ int32_t numFrames
+) {
+ (void) stream;
+ (void) userData;
+ (void) audioData;
+ (void) numFrames;
+ return AAUDIO_CALLBACK_RESULT_CONTINUE;
+}
+
+// Test AAudioStream_setBufferSizeInFrames()
+
+//int main() { // To fix Android Studio formatting when editing.
+TEST(test_various, aaudio_set_buffer_size) {
+
+ aaudio_result_t result = AAUDIO_OK;
+ int32_t bufferCapacity;
+ int32_t framesPerBurst = 0;
+ int32_t actualSize = 0;
+
+ AAudioStreamBuilder *aaudioBuilder = nullptr;
+ AAudioStream *aaudioStream = nullptr;
+
+ // Use an AAudioStreamBuilder to contain requested parameters.
+ ASSERT_EQ(AAUDIO_OK, AAudio_createStreamBuilder(&aaudioBuilder));
+
+ // Request stream properties.
+ AAudioStreamBuilder_setDataCallback(aaudioBuilder, MyDataCallbackProc, nullptr);
+ AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, AAUDIO_PERFORMANCE_MODE_LOW_LATENCY);
+
+ // Create an AAudioStream using the Builder.
+ EXPECT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream));
+
+ // This is the number of frames that are read in one chunk by a DMA controller
+ // or a DSP or a mixer.
+ framesPerBurst = AAudioStream_getFramesPerBurst(aaudioStream);
+ bufferCapacity = AAudioStream_getBufferCapacityInFrames(aaudioStream);
+ printf(" bufferCapacity = %d, remainder = %d\n",
+ bufferCapacity, bufferCapacity % framesPerBurst);
+
+ actualSize = AAudioStream_setBufferSizeInFrames(aaudioStream, 0);
+ EXPECT_GT(actualSize, 0);
+ EXPECT_LE(actualSize, bufferCapacity);
+
+ actualSize = AAudioStream_setBufferSizeInFrames(aaudioStream, 2 * framesPerBurst);
+ EXPECT_GT(actualSize, framesPerBurst);
+ EXPECT_LE(actualSize, bufferCapacity);
+
+ actualSize = AAudioStream_setBufferSizeInFrames(aaudioStream, bufferCapacity - 1);
+ EXPECT_GT(actualSize, framesPerBurst);
+ EXPECT_LE(actualSize, bufferCapacity);
+
+ actualSize = AAudioStream_setBufferSizeInFrames(aaudioStream, bufferCapacity);
+ EXPECT_GT(actualSize, framesPerBurst);
+ EXPECT_LE(actualSize, bufferCapacity);
+
+ actualSize = AAudioStream_setBufferSizeInFrames(aaudioStream, bufferCapacity + 1);
+ EXPECT_GT(actualSize, framesPerBurst);
+ EXPECT_LE(actualSize, bufferCapacity);
+
+ actualSize = AAudioStream_setBufferSizeInFrames(aaudioStream, 1234567);
+ EXPECT_GT(actualSize, framesPerBurst);
+ EXPECT_LE(actualSize, bufferCapacity);
+
+ actualSize = AAudioStream_setBufferSizeInFrames(aaudioStream, INT32_MAX);
+ EXPECT_GT(actualSize, framesPerBurst);
+ EXPECT_LE(actualSize, bufferCapacity);
+
+ actualSize = AAudioStream_setBufferSizeInFrames(aaudioStream, INT32_MIN);
+ EXPECT_GT(actualSize, 0);
+ EXPECT_LE(actualSize, bufferCapacity);
+
+ AAudioStream_close(aaudioStream);
+ AAudioStreamBuilder_delete(aaudioBuilder);
+ printf(" result = %d = %s\n", result, AAudio_convertResultToText(result));
+}