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/*
* Copyright (C) 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.
*/
// Test AAudio SessionId, which is used to associate Effects with a stream
#include <memory>
#include <stdio.h>
#include <unistd.h>
#include <aaudio/AAudio.h>
#include <gtest/gtest.h>
constexpr int64_t kNanosPerSecond = 1000000000;
constexpr int kNumFrames = 256;
constexpr int kChannelCount = 2;
// Test AAUDIO_SESSION_ID_NONE default
static void checkSessionIdNone(aaudio_performance_mode_t perfMode) {
std::unique_ptr<float[]> buffer(new float[kNumFrames * kChannelCount]);
AAudioStreamBuilder *aaudioBuilder = nullptr;
AAudioStream *aaudioStream1 = nullptr;
int32_t sessionId1 = 0;
// Use an AAudioStreamBuilder to contain requested parameters.
ASSERT_EQ(AAUDIO_OK, AAudio_createStreamBuilder(&aaudioBuilder));
// Request stream properties.
AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, perfMode);
// Create an AAudioStream using the Builder.
ASSERT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream1));
// Since we did not request or specify a SessionID, we should get NONE
sessionId1 = AAudioStream_getSessionId(aaudioStream1);
ASSERT_EQ(AAUDIO_SESSION_ID_NONE, sessionId1);
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream1));
ASSERT_EQ(kNumFrames,
AAudioStream_write(aaudioStream1, buffer.get(), kNumFrames, kNanosPerSecond));
EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStop(aaudioStream1));
EXPECT_EQ(AAUDIO_OK, AAudioStream_close(aaudioStream1));
AAudioStreamBuilder_delete(aaudioBuilder);
}
TEST(test_session_id, aaudio_session_id_none_perfnone) {
checkSessionIdNone(AAUDIO_PERFORMANCE_MODE_NONE);
}
TEST(test_session_id, aaudio_session_id_none_lowlat) {
checkSessionIdNone(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY);
}
// Test AAUDIO_SESSION_ID_ALLOCATE
static void checkSessionIdAllocate(aaudio_performance_mode_t perfMode,
aaudio_direction_t direction) {
std::unique_ptr<float[]> buffer(new float[kNumFrames * kChannelCount]);
AAudioStreamBuilder *aaudioBuilder = nullptr;
AAudioStream *aaudioStream1 = nullptr;
int32_t sessionId1 = 0;
AAudioStream *aaudioStream2 = nullptr;
int32_t sessionId2 = 0;
// Use an AAudioStreamBuilder to contain requested parameters.
ASSERT_EQ(AAUDIO_OK, AAudio_createStreamBuilder(&aaudioBuilder));
// Request stream properties.
AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, perfMode);
// This stream could be input or output.
AAudioStreamBuilder_setDirection(aaudioBuilder, direction);
// Ask AAudio to allocate a Session ID.
AAudioStreamBuilder_setSessionId(aaudioBuilder, AAUDIO_SESSION_ID_ALLOCATE);
// Create an AAudioStream using the Builder.
ASSERT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream1));
// Get the allocated ID from the stream.
sessionId1 = AAudioStream_getSessionId(aaudioStream1);
// Check for invalid session IDs.
ASSERT_NE(AAUDIO_SESSION_ID_NONE, sessionId1);
ASSERT_NE(AAUDIO_SESSION_ID_ALLOCATE, sessionId1);
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream1));
if (direction == AAUDIO_DIRECTION_INPUT) {
ASSERT_EQ(kNumFrames, AAudioStream_read(aaudioStream1,
buffer.get(), kNumFrames, kNanosPerSecond));
} else {
ASSERT_EQ(kNumFrames, AAudioStream_write(aaudioStream1,
buffer.get(), kNumFrames, kNanosPerSecond));
}
EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStop(aaudioStream1));
// Now open a second stream using the same session ID. ==================
AAudioStreamBuilder_setSessionId(aaudioBuilder, sessionId1);
// Reverse direction for second stream.
aaudio_direction_t otherDirection = (direction == AAUDIO_DIRECTION_OUTPUT)
? AAUDIO_DIRECTION_INPUT
: AAUDIO_DIRECTION_OUTPUT;
AAudioStreamBuilder_setDirection(aaudioBuilder, otherDirection);
// Create an AAudioStream using the Builder.
ASSERT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream2));
// Get the allocated ID from the stream.
// It should match the ID that we set it to in the builder.
sessionId2 = AAudioStream_getSessionId(aaudioStream2);
ASSERT_EQ(sessionId1, sessionId2);
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream2));
if (otherDirection == AAUDIO_DIRECTION_INPUT) {
ASSERT_EQ(kNumFrames, AAudioStream_read(aaudioStream2,
buffer.get(), kNumFrames, kNanosPerSecond));
} else {
ASSERT_EQ(kNumFrames, AAudioStream_write(aaudioStream2,
buffer.get(), kNumFrames, kNanosPerSecond));
}
EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStop(aaudioStream2));
EXPECT_EQ(AAUDIO_OK, AAudioStream_close(aaudioStream2));
EXPECT_EQ(AAUDIO_OK, AAudioStream_close(aaudioStream1));
AAudioStreamBuilder_delete(aaudioBuilder);
}
TEST(test_session_id, aaudio_session_id_alloc_perfnone_in) {
checkSessionIdAllocate(AAUDIO_PERFORMANCE_MODE_NONE, AAUDIO_DIRECTION_INPUT);
}
TEST(test_session_id, aaudio_session_id_alloc_perfnone_out) {
checkSessionIdAllocate(AAUDIO_PERFORMANCE_MODE_NONE, AAUDIO_DIRECTION_OUTPUT);
}
TEST(test_session_id, aaudio_session_id_alloc_lowlat_in) {
checkSessionIdAllocate(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY, AAUDIO_DIRECTION_INPUT);
}
TEST(test_session_id, aaudio_session_id_alloc_lowlat_out) {
checkSessionIdAllocate(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY, AAUDIO_DIRECTION_OUTPUT);
}