AAudioService: integrated with audioserver
Call the MmapStreamInterface from AudioFlinger instead of the FakeHAL.
Fix sending timestamps from the thread.
Add shared mode in service.
Bug: 35260844
Bug: 33398120
Test: CTS test_aaudio.cpp
Change-Id: I44c7e4ecae4ce205611b6b73a72e0ae8a5b243e5
Signed-off-by: Phil Burk <philburk@google.com>
(cherry picked from commit 7f6b40d78b1976c78d1300e8a51fda36eeb50c5d)
diff --git a/services/oboeservice/SharedMemoryProxy.cpp b/services/oboeservice/SharedMemoryProxy.cpp
new file mode 100644
index 0000000..83ae1d4
--- /dev/null
+++ b/services/oboeservice/SharedMemoryProxy.cpp
@@ -0,0 +1,83 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "AAudioService"
+//#define LOG_NDEBUG 0
+#include <utils/Log.h>
+
+#include <aaudio/AAudioDefinitions.h>
+#include "SharedMemoryProxy.h"
+
+using namespace android;
+using namespace aaudio;
+
+SharedMemoryProxy::~SharedMemoryProxy()
+{
+ if (mOriginalSharedMemory != nullptr) {
+ munmap(mOriginalSharedMemory, mSharedMemorySizeInBytes);
+ mOriginalSharedMemory = nullptr;
+ }
+ if (mProxySharedMemory != nullptr) {
+ munmap(mProxySharedMemory, mSharedMemorySizeInBytes);
+ close(mProxyFileDescriptor);
+ mProxySharedMemory = nullptr;
+ }
+}
+
+aaudio_result_t SharedMemoryProxy::open(int originalFD, int32_t capacityInBytes) {
+ mOriginalFileDescriptor = originalFD;
+ mSharedMemorySizeInBytes = capacityInBytes;
+
+ mProxyFileDescriptor = ashmem_create_region("AAudioProxyDataBuffer", mSharedMemorySizeInBytes);
+ if (mProxyFileDescriptor < 0) {
+ ALOGE("SharedMemoryProxy::open() ashmem_create_region() failed %d", errno);
+ return AAUDIO_ERROR_INTERNAL;
+ }
+ int err = ashmem_set_prot_region(mProxyFileDescriptor, PROT_READ|PROT_WRITE);
+ if (err < 0) {
+ ALOGE("SharedMemoryProxy::open() ashmem_set_prot_region() failed %d", errno);
+ close(mProxyFileDescriptor);
+ mProxyFileDescriptor = -1;
+ return AAUDIO_ERROR_INTERNAL; // TODO convert errno to a better AAUDIO_ERROR;
+ }
+
+ // Get original memory address.
+ mOriginalSharedMemory = (uint8_t *) mmap(0, mSharedMemorySizeInBytes,
+ PROT_READ|PROT_WRITE,
+ MAP_SHARED,
+ mOriginalFileDescriptor, 0);
+ if (mOriginalSharedMemory == MAP_FAILED) {
+ ALOGE("SharedMemoryProxy::open() original mmap(%d) failed %d (%s)",
+ mOriginalFileDescriptor, errno, strerror(errno));
+ return AAUDIO_ERROR_INTERNAL; // TODO convert errno to a better AAUDIO_ERROR;
+ }
+
+ // Map the fd to the same memory addresses.
+ mProxySharedMemory = (uint8_t *) mmap(mOriginalSharedMemory, mSharedMemorySizeInBytes,
+ PROT_READ|PROT_WRITE,
+ MAP_SHARED,
+ mProxyFileDescriptor, 0);
+ if (mProxySharedMemory != mOriginalSharedMemory) {
+ ALOGE("SharedMemoryProxy::open() proxy mmap(%d) failed %d", mProxyFileDescriptor, errno);
+ munmap(mOriginalSharedMemory, mSharedMemorySizeInBytes);
+ mOriginalSharedMemory = nullptr;
+ close(mProxyFileDescriptor);
+ mProxyFileDescriptor = -1;
+ return AAUDIO_ERROR_INTERNAL; // TODO convert errno to a better AAUDIO_ERROR;
+ }
+
+ return AAUDIO_OK;
+}