| /* |
| * Copyright (C) 2023 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. |
| */ |
| |
| // When receive disconnect event, ignore it and leave the shared stream at OPEN |
| // state. It should be possible to open another shared stream and start it. |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| |
| #include <aaudio/AAudio.h> |
| #include <aaudio/AAudioTesting.h> |
| |
| static constexpr unsigned int ONE_SECOND = 1e6; |
| static constexpr unsigned int WAIT_TIME_MS = 10 * ONE_SECOND; |
| #define MMAP_POLICY AAUDIO_POLICY_ALWAYS |
| |
| AAudioStream* openStream() { |
| AAudioStreamBuilder *aaudioBuilder = nullptr; |
| aaudio_result_t result = AAudio_createStreamBuilder(&aaudioBuilder); |
| if (result != AAUDIO_OK) { |
| printf("Failed to create stream builder, result=%d, %s\n", |
| result, AAudio_convertResultToText(result)); |
| return nullptr; |
| } |
| AAudioStreamBuilder_setSharingMode(aaudioBuilder, AAUDIO_SHARING_MODE_SHARED); |
| AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, AAUDIO_PERFORMANCE_MODE_LOW_LATENCY); |
| AAudioStream* aaudioStream; |
| result = AAudioStreamBuilder_openStream(aaudioBuilder, &aaudioStream); |
| if (result != AAUDIO_OK) { |
| printf("ERROR could not open AAudio stream, %d %s\n", |
| result, AAudio_convertResultToText(result)); |
| } |
| AAudioStreamBuilder_delete(aaudioBuilder); |
| return aaudioStream; |
| } |
| |
| aaudio_result_t testNoCloseSharedStreamAfterRoutingChanged(bool stopFirstStream) { |
| aaudio_result_t result = AAUDIO_OK; |
| printf("Please connect external device that supports MMAP playback, will wait 10 seconds\n"); |
| usleep(WAIT_TIME_MS); |
| |
| // Open first shared stream |
| printf("Open first shared stream\n"); |
| AAudioStream* firstStream = openStream(); |
| if (firstStream == nullptr) { |
| return 1; |
| } |
| result = AAudioStream_requestStart(firstStream); |
| if (result != AAUDIO_OK) { |
| return result; |
| } |
| |
| if (stopFirstStream) { |
| printf("Stop first shared stream\n"); |
| result = AAudioStream_requestStop(firstStream); |
| if (result != AAUDIO_OK) { |
| return result; |
| } |
| printf("Wait to make sure the stream is stopped\n"); |
| usleep(ONE_SECOND * 3); |
| } |
| |
| printf("Please disconnect and reconnect the external device, will wait 10 second\n"); |
| usleep(WAIT_TIME_MS); |
| |
| // Open second stream after the first shared stream was reconnected |
| printf("Open second shared stream\n"); |
| AAudioStream* secondStream = openStream(); |
| if (secondStream == nullptr) { |
| result = 1; |
| goto exit; |
| } |
| |
| // Starting second stream should be successful |
| printf("Start second shared stream\n"); |
| result = AAudioStream_requestStart(secondStream); |
| if (result != AAUDIO_OK) { |
| printf("ERROR could not start second stream, %d %s\n", |
| result, AAudio_convertResultToText(result)); |
| } |
| |
| exit: |
| // Close all streams |
| AAudioStream_close(firstStream); |
| AAudioStream_close(secondStream); |
| return result; |
| } |
| |
| int main(int argc, char **argv) { |
| (void) argc; // unused |
| (void) argv; // unused |
| |
| aaudio_policy_t originalPolicy = AAudio_getMMapPolicy(); |
| AAudio_setMMapPolicy(MMAP_POLICY); |
| |
| printf("Run first test. The first stream is started when routing changed.\n"); |
| aaudio_result_t result = testNoCloseSharedStreamAfterRoutingChanged(false /*stopFirstStream*/); |
| |
| if (result != AAUDIO_OK) { |
| goto exit; |
| } |
| |
| printf("First test passed\n"); |
| printf("----------------------------------------------------------------\n"); |
| printf("Run second test. The first stream is stopped when routing changed.\n"); |
| if (testNoCloseSharedStreamAfterRoutingChanged(true /*stopFirstStream*/) == AAUDIO_OK) { |
| printf("Second test passed\n"); |
| } |
| |
| exit: |
| AAudio_setMMapPolicy(originalPolicy); |
| |
| return result != AAUDIO_OK ? EXIT_FAILURE : EXIT_SUCCESS; |
| } |