You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
3.7 KiB
98 lines
3.7 KiB
/*
|
|
* 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.
|
|
*/
|
|
|
|
// Play a shared stream that might use MMAP.
|
|
// Then play a second stream at a different sample rate.
|
|
// Make sure the first stream is still running.
|
|
// See: b/73369112 | AAudio disconnects shared stream if second MMAP open fails
|
|
|
|
#include <memory.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
#include <android-base/macros.h>
|
|
#include <aaudio/AAudio.h>
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
// Callback function that fills the audio output buffer.
|
|
aaudio_data_callback_result_t MyDataCallbackProc(
|
|
AAudioStream *stream,
|
|
void *userData,
|
|
void *audioData,
|
|
int32_t numFrames) {
|
|
(void) userData;
|
|
int32_t numSamples = AAudioStream_getChannelCount(stream) * numFrames;
|
|
aaudio_format_t format = AAudioStream_getFormat(stream);
|
|
if (format == AAUDIO_FORMAT_PCM_I16) {
|
|
memset(audioData, 0, numSamples * sizeof(int16_t));
|
|
} else if (format == AAUDIO_FORMAT_PCM_FLOAT) {
|
|
memset(audioData, 0, numSamples * sizeof(float));
|
|
}
|
|
return AAUDIO_CALLBACK_RESULT_CONTINUE;
|
|
}
|
|
|
|
//void foo() { // for tricking the Android Studio formatter
|
|
TEST(test_interference, aaudio_mmap_interference) {
|
|
|
|
AAudioStreamBuilder *aaudioBuilder = nullptr;
|
|
AAudioStream *aaudioStream1 = nullptr;
|
|
AAudioStream *aaudioStream2 = nullptr;
|
|
|
|
// Use an AAudioStreamBuilder to contain requested parameters.
|
|
ASSERT_EQ(AAUDIO_OK, AAudio_createStreamBuilder(&aaudioBuilder));
|
|
|
|
// Request stream properties.
|
|
AAudioStreamBuilder_setSampleRate(aaudioBuilder, 48000);
|
|
AAudioStreamBuilder_setDataCallback(aaudioBuilder, MyDataCallbackProc, nullptr);
|
|
AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, AAUDIO_PERFORMANCE_MODE_LOW_LATENCY);
|
|
|
|
// Create an AAudioStream using the Builder.
|
|
ASSERT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream1));
|
|
// Start it running.
|
|
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream1));
|
|
|
|
// Verify that the stream is running.
|
|
sleep(1);
|
|
EXPECT_LT(0, AAudioStream_getFramesRead(aaudioStream1));
|
|
ASSERT_EQ(AAUDIO_STREAM_STATE_STARTED, AAudioStream_getState(aaudioStream1));
|
|
|
|
// Now try to open a second stream with a different rate.
|
|
AAudioStreamBuilder_setSampleRate(aaudioBuilder, 44100);
|
|
ASSERT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream2));
|
|
ASSERT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream2));
|
|
|
|
// Verify that the second stream is running.
|
|
sleep(1);
|
|
EXPECT_LT(0, AAudioStream_getFramesRead(aaudioStream2));
|
|
|
|
EXPECT_EQ(AAUDIO_STREAM_STATE_STARTED, AAudioStream_getState(aaudioStream2));
|
|
|
|
// Now verify that the first stream is still running.
|
|
EXPECT_EQ(AAUDIO_STREAM_STATE_STARTED, AAudioStream_getState(aaudioStream1));
|
|
|
|
int32_t framesRead1_1 = AAudioStream_getFramesRead(aaudioStream1);
|
|
EXPECT_LT(0, framesRead1_1);
|
|
sleep(1);
|
|
int32_t framesRead1_2 = AAudioStream_getFramesRead(aaudioStream1);
|
|
EXPECT_LT(0, framesRead1_2);
|
|
EXPECT_LT(framesRead1_1, framesRead1_2); // advancing?
|
|
|
|
AAudioStream_close(aaudioStream2);
|
|
AAudioStream_close(aaudioStream1);
|
|
AAudioStreamBuilder_delete(aaudioBuilder);
|
|
}
|