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/*
* 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 <condition_variable>
#include <mutex>
#include <stdio.h>
#include <android-base/macros.h>
#include <aaudio/AAudio.h>
#include <gtest/gtest.h>
#include <unistd.h>
// Callback function that does nothing.
aaudio_data_callback_result_t NoopDataCallbackProc(
AAudioStream * stream,
void * /* userData */,
void *audioData,
int32_t numFrames
) {
int channels = AAudioStream_getChannelCount(stream);
int numSamples = channels * numFrames;
bool allZeros = true;
float * const floatData = reinterpret_cast<float *>(audioData);
for (int i = 0; i < numSamples; i++) {
allZeros &= (floatData[i] == 0.0f);
floatData[i] = 0.0f;
}
EXPECT_TRUE(allZeros);
return AAUDIO_CALLBACK_RESULT_CONTINUE;
}
constexpr int64_t NANOS_PER_MILLISECOND = 1000 * 1000;
void checkReleaseThenClose(aaudio_performance_mode_t perfMode,
aaudio_sharing_mode_t sharingMode) {
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,
NoopDataCallbackProc,
nullptr);
AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, perfMode);
AAudioStreamBuilder_setSharingMode(aaudioBuilder, sharingMode);
AAudioStreamBuilder_setFormat(aaudioBuilder, AAUDIO_FORMAT_PCM_FLOAT);
// Create an AAudioStream using the Builder.
ASSERT_EQ(AAUDIO_OK,
AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream));
AAudioStreamBuilder_delete(aaudioBuilder);
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream));
sleep(1);
EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStop(aaudioStream));
EXPECT_EQ(AAUDIO_OK, AAudioStream_release(aaudioStream));
EXPECT_EQ(AAUDIO_STREAM_STATE_CLOSING, AAudioStream_getState(aaudioStream));
// We should be able to call this again without crashing.
EXPECT_EQ(AAUDIO_OK, AAudioStream_release(aaudioStream));
EXPECT_EQ(AAUDIO_STREAM_STATE_CLOSING, AAudioStream_getState(aaudioStream));
// We expect these not to crash.
AAudioStream_setBufferSizeInFrames(aaudioStream, 0);
AAudioStream_setBufferSizeInFrames(aaudioStream, 99999999);
// We should NOT be able to start or change a stream after it has been released.
EXPECT_EQ(AAUDIO_ERROR_INVALID_STATE, AAudioStream_requestStart(aaudioStream));
EXPECT_EQ(AAUDIO_STREAM_STATE_CLOSING, AAudioStream_getState(aaudioStream));
EXPECT_EQ(AAUDIO_ERROR_INVALID_STATE, AAudioStream_requestPause(aaudioStream));
EXPECT_EQ(AAUDIO_STREAM_STATE_CLOSING, AAudioStream_getState(aaudioStream));
EXPECT_EQ(AAUDIO_ERROR_INVALID_STATE, AAudioStream_requestStop(aaudioStream));
EXPECT_EQ(AAUDIO_STREAM_STATE_CLOSING, AAudioStream_getState(aaudioStream));
// Does this crash?
EXPECT_LT(0, AAudioStream_getFramesRead(aaudioStream));
EXPECT_LT(0, AAudioStream_getFramesWritten(aaudioStream));
// Verify Closing State. Does this crash?
aaudio_stream_state_t state = AAUDIO_STREAM_STATE_UNKNOWN;
EXPECT_EQ(AAUDIO_OK, AAudioStream_waitForStateChange(aaudioStream,
AAUDIO_STREAM_STATE_UNKNOWN, &state,
500 * NANOS_PER_MILLISECOND));
EXPECT_EQ(AAUDIO_STREAM_STATE_CLOSING, state);
EXPECT_EQ(AAUDIO_OK, AAudioStream_close(aaudioStream));
}
TEST(test_various, aaudio_release_close_none) {
checkReleaseThenClose(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_SHARING_MODE_SHARED);
// No EXCLUSIVE streams with MODE_NONE.
}
TEST(test_various, aaudio_release_close_low_shared) {
checkReleaseThenClose(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_SHARING_MODE_SHARED);
}
TEST(test_various, aaudio_release_close_low_exclusive) {
checkReleaseThenClose(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_SHARING_MODE_EXCLUSIVE);
}
enum FunctionToCall {
CALL_START, CALL_STOP, CALL_PAUSE, CALL_FLUSH, CALL_RELEASE
};
void checkStateTransition(aaudio_performance_mode_t perfMode,
aaudio_stream_state_t originalState,
FunctionToCall functionToCall,
aaudio_result_t expectedResult,
aaudio_stream_state_t expectedState) {
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, NoopDataCallbackProc, nullptr);
AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, perfMode);
AAudioStreamBuilder_setFormat(aaudioBuilder, AAUDIO_FORMAT_PCM_FLOAT);
// Create an AAudioStream using the Builder.
ASSERT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream));
// Verify Open State
aaudio_stream_state_t state = AAUDIO_STREAM_STATE_UNKNOWN;
EXPECT_EQ(AAUDIO_OK, AAudioStream_waitForStateChange(aaudioStream,
AAUDIO_STREAM_STATE_UNKNOWN, &state,
1000 * NANOS_PER_MILLISECOND));
EXPECT_EQ(AAUDIO_STREAM_STATE_OPEN, state);
// Put stream into desired state.
aaudio_stream_state_t inputState = AAUDIO_STREAM_STATE_UNINITIALIZED;
if (originalState != AAUDIO_STREAM_STATE_OPEN) {
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream));
if (originalState != AAUDIO_STREAM_STATE_STARTING) {
ASSERT_EQ(AAUDIO_OK, AAudioStream_waitForStateChange(aaudioStream,
AAUDIO_STREAM_STATE_STARTING,
&state,
1000 * NANOS_PER_MILLISECOND));
ASSERT_EQ(AAUDIO_STREAM_STATE_STARTED, state);
if (originalState == AAUDIO_STREAM_STATE_STOPPING) {
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestStop(aaudioStream));
} else if (originalState == AAUDIO_STREAM_STATE_STOPPED) {
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestStop(aaudioStream));
inputState = AAUDIO_STREAM_STATE_STOPPING;
} else if (originalState == AAUDIO_STREAM_STATE_PAUSING) {
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestPause(aaudioStream));
} else if (originalState == AAUDIO_STREAM_STATE_PAUSED) {
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestPause(aaudioStream));
inputState = AAUDIO_STREAM_STATE_PAUSING;
} else if (originalState == AAUDIO_STREAM_STATE_FLUSHING) {
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestPause(aaudioStream));
// We can only flush() after pause is complete.
ASSERT_EQ(AAUDIO_OK, AAudioStream_waitForStateChange(aaudioStream,
AAUDIO_STREAM_STATE_PAUSING,
&state,
1000 * NANOS_PER_MILLISECOND));
ASSERT_EQ(AAUDIO_STREAM_STATE_PAUSED, state);
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestFlush(aaudioStream));
// That will put the stream into the FLUSHING state.
// The FLUSHING state will persist until we process functionToCall.
// That is because the transition to FLUSHED is caused by the callback,
// or by calling write() or waitForStateChange(). But those will not
// occur.
} else if (originalState == AAUDIO_STREAM_STATE_CLOSING) {
ASSERT_EQ(AAUDIO_OK, AAudioStream_release(aaudioStream));
}
}
}
// Wait until we get past the transitional state if requested.
if (inputState != AAUDIO_STREAM_STATE_UNINITIALIZED) {
ASSERT_EQ(AAUDIO_OK, AAudioStream_waitForStateChange(aaudioStream,
inputState,
&state,
1000 * NANOS_PER_MILLISECOND));
ASSERT_EQ(originalState, state);
}
aaudio_stream_state_t transitionalState = originalState;
switch(functionToCall) {
case FunctionToCall::CALL_START:
EXPECT_EQ(expectedResult, AAudioStream_requestStart(aaudioStream));
transitionalState = AAUDIO_STREAM_STATE_STARTING;
break;
case FunctionToCall::CALL_STOP:
EXPECT_EQ(expectedResult, AAudioStream_requestStop(aaudioStream));
transitionalState = AAUDIO_STREAM_STATE_STOPPING;
break;
case FunctionToCall::CALL_PAUSE:
EXPECT_EQ(expectedResult, AAudioStream_requestPause(aaudioStream));
transitionalState = AAUDIO_STREAM_STATE_PAUSING;
break;
case FunctionToCall::CALL_FLUSH:
EXPECT_EQ(expectedResult, AAudioStream_requestFlush(aaudioStream));
transitionalState = AAUDIO_STREAM_STATE_FLUSHING;
break;
case FunctionToCall::CALL_RELEASE:
EXPECT_EQ(expectedResult, AAudioStream_release(aaudioStream));
// Set to UNINITIALIZED so the waitForStateChange() below will
// will return immediately with the current state.
transitionalState = AAUDIO_STREAM_STATE_UNINITIALIZED;
break;
}
EXPECT_EQ(AAUDIO_OK,
AAudioStream_waitForStateChange(aaudioStream,
transitionalState,
&state,
1000 * NANOS_PER_MILLISECOND));
// We should not change state when a function fails.
if (expectedResult != AAUDIO_OK) {
ASSERT_EQ(originalState, expectedState);
}
EXPECT_EQ(expectedState, state);
if (state != expectedState) {
printf("ERROR - expected %s, actual = %s\n",
AAudio_convertStreamStateToText(expectedState),
AAudio_convertStreamStateToText(state));
fflush(stdout);
}
AAudioStream_close(aaudioStream);
AAudioStreamBuilder_delete(aaudioBuilder);
}
// TODO Use parameterized tests instead of these individual specific tests.
// OPEN =================================================================
TEST(test_various, aaudio_state_lowlat_open_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_OPEN,
FunctionToCall::CALL_START,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STARTED);
}
TEST(test_various, aaudio_state_none_open_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_OPEN,
FunctionToCall::CALL_START,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STARTED);
}
TEST(test_various, aaudio_state_lowlat_open_stop) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_OPEN,
FunctionToCall::CALL_STOP,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STOPPED);
}
TEST(test_various, aaudio_state_none_open_stop) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_OPEN,
FunctionToCall::CALL_STOP,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STOPPED);
}
TEST(test_various, aaudio_state_lowlat_open_pause) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_OPEN,
FunctionToCall::CALL_PAUSE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_PAUSED);
}
TEST(test_various, aaudio_state_none_open_pause) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_OPEN,
FunctionToCall::CALL_PAUSE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_PAUSED);
}
TEST(test_various, aaudio_state_lowlat_open_flush) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_OPEN,
FunctionToCall::CALL_FLUSH,
AAUDIO_OK,
AAUDIO_STREAM_STATE_FLUSHED);
}
TEST(test_various, aaudio_state_none_open_flush) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_OPEN,
FunctionToCall::CALL_FLUSH,
AAUDIO_OK,
AAUDIO_STREAM_STATE_FLUSHED);
}
// STARTED =================================================================
TEST(test_various, aaudio_state_lowlat_started_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_STARTED,
FunctionToCall::CALL_START,
AAUDIO_ERROR_INVALID_STATE,
AAUDIO_STREAM_STATE_STARTED);
}
TEST(test_various, aaudio_state_none_started_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_STARTED,
FunctionToCall::CALL_START,
AAUDIO_ERROR_INVALID_STATE,
AAUDIO_STREAM_STATE_STARTED);
}
TEST(test_various, aaudio_state_lowlat_started_stop) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_STARTED,
FunctionToCall::CALL_STOP,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STOPPED);
}
TEST(test_various, aaudio_state_none_started_stop) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_STARTED,
FunctionToCall::CALL_STOP,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STOPPED);
}
TEST(test_various, aaudio_state_lowlat_started_pause) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_STARTED,
FunctionToCall::CALL_PAUSE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_PAUSED);
}
TEST(test_various, aaudio_state_none_started_pause) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_STARTED,
FunctionToCall::CALL_PAUSE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_PAUSED);
}
TEST(test_various, aaudio_state_lowlat_started_flush) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_STARTED,
FunctionToCall::CALL_FLUSH,
AAUDIO_ERROR_INVALID_STATE,
AAUDIO_STREAM_STATE_STARTED);
}
TEST(test_various, aaudio_state_none_started_flush) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_STARTED,
FunctionToCall::CALL_FLUSH,
AAUDIO_ERROR_INVALID_STATE,
AAUDIO_STREAM_STATE_STARTED);
}
// STOPPED =================================================================
TEST(test_various, aaudio_state_lowlat_stopped_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_STOPPED,
FunctionToCall::CALL_START,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STARTED);
}
TEST(test_various, aaudio_state_none_stopped_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_STOPPED,
FunctionToCall::CALL_START,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STARTED);
}
TEST(test_various, aaudio_state_lowlat_stopped_stop) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_STOPPED,
FunctionToCall::CALL_STOP,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STOPPED);
}
TEST(test_various, aaudio_state_none_stopped_stop) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_STOPPED,
FunctionToCall::CALL_STOP,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STOPPED);
}
TEST(test_various, aaudio_state_lowlat_stopped_pause) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_STOPPED,
FunctionToCall::CALL_PAUSE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_PAUSED);
}
TEST(test_various, aaudio_state_none_stopped_pause) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_STOPPED,
FunctionToCall::CALL_PAUSE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_PAUSED);
}
TEST(test_various, aaudio_state_lowlat_stopped_flush) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_STOPPED,
FunctionToCall::CALL_FLUSH,
AAUDIO_OK,
AAUDIO_STREAM_STATE_FLUSHED);
}
TEST(test_various, aaudio_state_none_stopped_flush) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_STOPPED,
FunctionToCall::CALL_FLUSH,
AAUDIO_OK,
AAUDIO_STREAM_STATE_FLUSHED);
}
// PAUSED =================================================================
TEST(test_various, aaudio_state_lowlat_paused_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_PAUSED,
FunctionToCall::CALL_START,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STARTED);
}
TEST(test_various, aaudio_state_none_paused_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_PAUSED,
FunctionToCall::CALL_START,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STARTED);
}
TEST(test_various, aaudio_state_lowlat_paused_stop) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_PAUSED,
FunctionToCall::CALL_STOP,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STOPPED);
}
TEST(test_various, aaudio_state_none_paused_stop) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_PAUSED,
FunctionToCall::CALL_STOP,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STOPPED);
}
TEST(test_various, aaudio_state_lowlat_paused_pause) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_PAUSED,
FunctionToCall::CALL_PAUSE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_PAUSED);
}
TEST(test_various, aaudio_state_none_paused_pause) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_PAUSED,
FunctionToCall::CALL_PAUSE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_PAUSED);
}
TEST(test_various, aaudio_state_lowlat_paused_flush) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_PAUSED,
FunctionToCall::CALL_FLUSH,
AAUDIO_OK,
AAUDIO_STREAM_STATE_FLUSHED);
}
TEST(test_various, aaudio_state_none_paused_flush) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_PAUSED,
FunctionToCall::CALL_FLUSH,
AAUDIO_OK,
AAUDIO_STREAM_STATE_FLUSHED);
}
// FLUSHING ================================================================
TEST(test_various, aaudio_state_lowlat_flushing_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_FLUSHING,
FunctionToCall::CALL_START,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STARTED);
}
TEST(test_various, aaudio_state_none_flushing_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_FLUSHING,
FunctionToCall::CALL_START,
AAUDIO_OK,
AAUDIO_STREAM_STATE_STARTED);
}
TEST(test_various, aaudio_state_lowlat_flushing_release) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_FLUSHING,
FunctionToCall::CALL_RELEASE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_CLOSING);
}
TEST(test_various, aaudio_state_none_flushing_release) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_FLUSHING,
FunctionToCall::CALL_RELEASE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_CLOSING);
}
TEST(test_various, aaudio_state_lowlat_starting_release) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_STARTING,
FunctionToCall::CALL_RELEASE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_CLOSING);
}
TEST(test_various, aaudio_state_none_starting_release) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_STARTING,
FunctionToCall::CALL_RELEASE,
AAUDIO_OK,
AAUDIO_STREAM_STATE_CLOSING);
}
// CLOSING ================================================================
TEST(test_various, aaudio_state_lowlat_closing_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_CLOSING,
FunctionToCall::CALL_START,
AAUDIO_ERROR_INVALID_STATE,
AAUDIO_STREAM_STATE_CLOSING);
}
TEST(test_various, aaudio_state_none_closing_start) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_CLOSING,
FunctionToCall::CALL_START,
AAUDIO_ERROR_INVALID_STATE,
AAUDIO_STREAM_STATE_CLOSING);
}
TEST(test_various, aaudio_state_lowlat_closing_stop) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY,
AAUDIO_STREAM_STATE_CLOSING,
FunctionToCall::CALL_STOP,
AAUDIO_ERROR_INVALID_STATE,
AAUDIO_STREAM_STATE_CLOSING);
}
TEST(test_various, aaudio_state_none_closing_stop) {
checkStateTransition(AAUDIO_PERFORMANCE_MODE_NONE,
AAUDIO_STREAM_STATE_CLOSING,
FunctionToCall::CALL_STOP,
AAUDIO_ERROR_INVALID_STATE,
AAUDIO_STREAM_STATE_CLOSING);
}
// ==========================================================================
TEST(test_various, aaudio_set_buffer_size) {
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, NoopDataCallbackProc, 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_GE(actualSize, 0); // 0 is legal in R
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_GE(actualSize, 0); // 0 is legal in R
EXPECT_LE(actualSize, bufferCapacity);
AAudioStream_close(aaudioStream);
AAudioStreamBuilder_delete(aaudioBuilder);
}
// ************************************************************
// Test to make sure that AAUDIO_CALLBACK_RESULT_STOP works.
// Callback function that counts calls.
aaudio_data_callback_result_t CallbackOnceProc(
AAudioStream *stream,
void *userData,
void *audioData,
int32_t numFrames
) {
(void) stream;
(void) audioData;
(void) numFrames;
std::atomic<int32_t> *callbackCountPtr = (std::atomic<int32_t> *)userData;
(*callbackCountPtr)++;
return AAUDIO_CALLBACK_RESULT_STOP;
}
void checkCallbackOnce(aaudio_performance_mode_t perfMode) {
std::atomic<int32_t> callbackCount{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, CallbackOnceProc, &callbackCount);
AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, perfMode);
// Create an AAudioStream using the Builder.
ASSERT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream));
AAudioStreamBuilder_delete(aaudioBuilder);
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream));
sleep(1); // Give callback a chance to run many times.
EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStop(aaudioStream));
EXPECT_EQ(1, callbackCount.load()); // should stop after first call
EXPECT_EQ(AAUDIO_OK, AAudioStream_close(aaudioStream));
}
TEST(test_various, aaudio_callback_once_none) {
checkCallbackOnce(AAUDIO_PERFORMANCE_MODE_NONE);
}
TEST(test_various, aaudio_callback_once_lowlat) {
checkCallbackOnce(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY);
}
// ************************************************************
struct WakeUpCallbackData {
void wakeOther() {
// signal waiting test to wake up
{
std::lock_guard <std::mutex> lock(mutex);
finished = true;
}
conditionVariable.notify_one();
}
void waitForFinished() {
std::unique_lock <std::mutex> aLock(mutex);
conditionVariable.wait(aLock, [=] { return finished; });
}
// For signalling foreground test when callback finished
std::mutex mutex;
std::condition_variable conditionVariable;
bool finished = false;
};
// Test to make sure we cannot call recursively into the system from a callback.
struct DangerousData : public WakeUpCallbackData {
aaudio_result_t resultStart = AAUDIO_OK;
aaudio_result_t resultStop = AAUDIO_OK;
aaudio_result_t resultPause = AAUDIO_OK;
aaudio_result_t resultFlush = AAUDIO_OK;
aaudio_result_t resultClose = AAUDIO_OK;
};
// Callback function that tries to call back into the stream.
aaudio_data_callback_result_t DangerousDataCallbackProc(
AAudioStream *stream,
void *userData,
void *audioData,
int32_t numFrames) {
(void) audioData;
(void) numFrames;
DangerousData *data = (DangerousData *)userData;
data->resultStart = AAudioStream_requestStart(stream);
data->resultStop = AAudioStream_requestStop(stream);
data->resultPause = AAudioStream_requestPause(stream);
data->resultFlush = AAudioStream_requestFlush(stream);
data->resultClose = AAudioStream_close(stream);
data->wakeOther();
return AAUDIO_CALLBACK_RESULT_STOP;
}
//int main() { // To fix Android Studio formatting when editing.
void checkDangerousCallback(aaudio_performance_mode_t perfMode) {
DangerousData dangerousData;
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, DangerousDataCallbackProc, &dangerousData);
AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, perfMode);
// Create an AAudioStream using the Builder.
ASSERT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream));
AAudioStreamBuilder_delete(aaudioBuilder);
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream));
dangerousData.waitForFinished();
EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStop(aaudioStream));
EXPECT_EQ(AAUDIO_ERROR_INVALID_STATE, dangerousData.resultStart);
EXPECT_EQ(AAUDIO_ERROR_INVALID_STATE, dangerousData.resultStop);
EXPECT_EQ(AAUDIO_ERROR_INVALID_STATE, dangerousData.resultPause);
EXPECT_EQ(AAUDIO_ERROR_INVALID_STATE, dangerousData.resultFlush);
EXPECT_EQ(AAUDIO_ERROR_INVALID_STATE, dangerousData.resultClose);
EXPECT_EQ(AAUDIO_OK, AAudioStream_close(aaudioStream));
}
//int main() { // To fix Android Studio formatting when editing.
TEST(test_various, aaudio_callback_blockers_none) {
checkDangerousCallback(AAUDIO_PERFORMANCE_MODE_NONE);
}
TEST(test_various, aaudio_callback_blockers_lowlat) {
checkDangerousCallback(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY);
}