liboboe: oboe MMAP client interface
Bug: 33347409
Test: test_oboe_api
Change-Id: I2ff3e9b57c91839c6debe91903b3e4b92e82d681
Signed-off-by: Phil Burk <philburk@google.com>
diff --git a/media/liboboe/src/binding/AudioEndpointParcelable.cpp b/media/liboboe/src/binding/AudioEndpointParcelable.cpp
new file mode 100644
index 0000000..096a819
--- /dev/null
+++ b/media/liboboe/src/binding/AudioEndpointParcelable.cpp
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2016 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.
+ */
+
+#include <stdint.h>
+
+#include <sys/mman.h>
+#include <binder/Parcel.h>
+#include <binder/Parcelable.h>
+
+#include "binding/OboeServiceDefinitions.h"
+#include "binding/RingBufferParcelable.h"
+#include "binding/AudioEndpointParcelable.h"
+
+using android::NO_ERROR;
+using android::status_t;
+using android::Parcel;
+using android::Parcelable;
+
+using namespace oboe;
+
+/**
+ * Container for information about the message queues plus
+ * general stream information needed by Oboe clients.
+ * It contains no addresses, just sizes, offsets and file descriptors for
+ * shared memory that can be passed through Binder.
+ */
+AudioEndpointParcelable::AudioEndpointParcelable() {}
+
+AudioEndpointParcelable::~AudioEndpointParcelable() {}
+
+/**
+ * Add the file descriptor to the table.
+ * @return index in table or negative error
+ */
+int32_t AudioEndpointParcelable::addFileDescriptor(int fd, int32_t sizeInBytes) {
+ if (mNumSharedMemories >= MAX_SHARED_MEMORIES) {
+ return OBOE_ERROR_OUT_OF_RANGE;
+ }
+ int32_t index = mNumSharedMemories++;
+ mSharedMemories[index].setup(fd, sizeInBytes);
+ return index;
+}
+
+/**
+ * The read and write must be symmetric.
+ */
+status_t AudioEndpointParcelable::writeToParcel(Parcel* parcel) const {
+ parcel->writeInt32(mNumSharedMemories);
+ for (int i = 0; i < mNumSharedMemories; i++) {
+ mSharedMemories[i].writeToParcel(parcel);
+ }
+ mUpMessageQueueParcelable.writeToParcel(parcel);
+ mDownMessageQueueParcelable.writeToParcel(parcel);
+ mUpDataQueueParcelable.writeToParcel(parcel);
+ mDownDataQueueParcelable.writeToParcel(parcel);
+ return NO_ERROR; // TODO check for errors above
+}
+
+status_t AudioEndpointParcelable::readFromParcel(const Parcel* parcel) {
+ parcel->readInt32(&mNumSharedMemories);
+ for (int i = 0; i < mNumSharedMemories; i++) {
+ mSharedMemories[i].readFromParcel(parcel);
+ }
+ mUpMessageQueueParcelable.readFromParcel(parcel);
+ mDownMessageQueueParcelable.readFromParcel(parcel);
+ mUpDataQueueParcelable.readFromParcel(parcel);
+ mDownDataQueueParcelable.readFromParcel(parcel);
+ return NO_ERROR; // TODO check for errors above
+}
+
+oboe_result_t AudioEndpointParcelable::resolve(EndpointDescriptor *descriptor) {
+ // TODO error check
+ mUpMessageQueueParcelable.resolve(mSharedMemories, &descriptor->upMessageQueueDescriptor);
+ mDownMessageQueueParcelable.resolve(mSharedMemories,
+ &descriptor->downMessageQueueDescriptor);
+ mUpDataQueueParcelable.resolve(mSharedMemories, &descriptor->upDataQueueDescriptor);
+ mDownDataQueueParcelable.resolve(mSharedMemories, &descriptor->downDataQueueDescriptor);
+ return OBOE_OK;
+}
+
+oboe_result_t AudioEndpointParcelable::validate() {
+ oboe_result_t result;
+ if (mNumSharedMemories < 0 || mNumSharedMemories >= MAX_SHARED_MEMORIES) {
+ ALOGE("AudioEndpointParcelable invalid mNumSharedMemories = %d", mNumSharedMemories);
+ return OBOE_ERROR_INTERNAL;
+ }
+ for (int i = 0; i < mNumSharedMemories; i++) {
+ result = mSharedMemories[i].validate();
+ if (result != OBOE_OK) {
+ return result;
+ }
+ }
+ if ((result = mUpMessageQueueParcelable.validate()) != OBOE_OK) {
+ ALOGE("AudioEndpointParcelable invalid mUpMessageQueueParcelable = %d", result);
+ return result;
+ }
+ if ((result = mDownMessageQueueParcelable.validate()) != OBOE_OK) {
+ ALOGE("AudioEndpointParcelable invalid mDownMessageQueueParcelable = %d", result);
+ return result;
+ }
+ if ((result = mUpDataQueueParcelable.validate()) != OBOE_OK) {
+ ALOGE("AudioEndpointParcelable invalid mUpDataQueueParcelable = %d", result);
+ return result;
+ }
+ if ((result = mDownDataQueueParcelable.validate()) != OBOE_OK) {
+ ALOGE("AudioEndpointParcelable invalid mDownDataQueueParcelable = %d", result);
+ return result;
+ }
+ return OBOE_OK;
+}
+
+void AudioEndpointParcelable::dump() {
+ ALOGD("AudioEndpointParcelable ======================================= BEGIN");
+ ALOGD("AudioEndpointParcelable mNumSharedMemories = %d", mNumSharedMemories);
+ for (int i = 0; i < mNumSharedMemories; i++) {
+ mSharedMemories[i].dump();
+ }
+ ALOGD("AudioEndpointParcelable mUpMessageQueueParcelable =========");
+ mUpMessageQueueParcelable.dump();
+ ALOGD("AudioEndpointParcelable mDownMessageQueueParcelable =======");
+ mDownMessageQueueParcelable.dump();
+ ALOGD("AudioEndpointParcelable mUpDataQueueParcelable ============");
+ mUpDataQueueParcelable.dump();
+ ALOGD("AudioEndpointParcelable mDownDataQueueParcelable ==========");
+ mDownDataQueueParcelable.dump();
+ ALOGD("AudioEndpointParcelable ======================================= END");
+}
+
diff --git a/media/liboboe/src/binding/IOboeAudioService.cpp b/media/liboboe/src/binding/IOboeAudioService.cpp
new file mode 100644
index 0000000..a3437b2
--- /dev/null
+++ b/media/liboboe/src/binding/IOboeAudioService.cpp
@@ -0,0 +1,296 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#include <oboe/OboeDefinitions.h>
+
+#include "binding/AudioEndpointParcelable.h"
+#include "binding/OboeStreamRequest.h"
+#include "binding/OboeStreamConfiguration.h"
+#include "binding/IOboeAudioService.h"
+
+namespace android {
+
+/**
+ * This is used by the Oboe Client to talk to the Oboe Service.
+ *
+ * The order of parameters in the Parcels must match with code in OboeAudioService.cpp.
+ */
+class BpOboeAudioService : public BpInterface<IOboeAudioService>
+{
+public:
+ explicit BpOboeAudioService(const sp<IBinder>& impl)
+ : BpInterface<IOboeAudioService>(impl)
+ {
+ }
+
+ virtual oboe_handle_t openStream(oboe::OboeStreamRequest &request,
+ oboe::OboeStreamConfiguration &configuration) override {
+ Parcel data, reply;
+ // send command
+ data.writeInterfaceToken(IOboeAudioService::getInterfaceDescriptor());
+ request.writeToParcel(&data);
+ status_t err = remote()->transact(OPEN_STREAM, data, &reply);
+ if (err != NO_ERROR) {
+ return OBOE_ERROR_INTERNAL; // TODO consider another error
+ }
+ // parse reply
+ oboe_handle_t stream;
+ reply.readInt32(&stream);
+ configuration.readFromParcel(&reply);
+ return stream;
+ }
+
+ virtual oboe_result_t closeStream(int32_t streamHandle) override {
+ Parcel data, reply;
+ // send command
+ data.writeInterfaceToken(IOboeAudioService::getInterfaceDescriptor());
+ data.writeInt32(streamHandle);
+ status_t err = remote()->transact(CLOSE_STREAM, data, &reply);
+ if (err != NO_ERROR) {
+ return OBOE_ERROR_INTERNAL; // TODO consider another error
+ }
+ // parse reply
+ oboe_result_t res;
+ reply.readInt32(&res);
+ return res;
+ }
+
+ virtual oboe_result_t getStreamDescription(oboe_handle_t streamHandle,
+ AudioEndpointParcelable &parcelable) {
+ Parcel data, reply;
+ // send command
+ data.writeInterfaceToken(IOboeAudioService::getInterfaceDescriptor());
+ data.writeInt32(streamHandle);
+ status_t err = remote()->transact(GET_STREAM_DESCRIPTION, data, &reply);
+ if (err != NO_ERROR) {
+ return OBOE_ERROR_INTERNAL; // TODO consider another error
+ }
+ // parse reply
+ parcelable.readFromParcel(&reply);
+ parcelable.dump();
+ oboe_result_t result = parcelable.validate();
+ if (result != OBOE_OK) {
+ return result;
+ }
+ reply.readInt32(&result);
+ return result;
+ }
+
+ // TODO should we wait for a reply?
+ virtual oboe_result_t startStream(oboe_handle_t streamHandle) override {
+ Parcel data, reply;
+ // send command
+ data.writeInterfaceToken(IOboeAudioService::getInterfaceDescriptor());
+ data.writeInt32(streamHandle);
+ status_t err = remote()->transact(START_STREAM, data, &reply);
+ if (err != NO_ERROR) {
+ return OBOE_ERROR_INTERNAL; // TODO consider another error
+ }
+ // parse reply
+ oboe_result_t res;
+ reply.readInt32(&res);
+ return res;
+ }
+
+ virtual oboe_result_t pauseStream(oboe_handle_t streamHandle) override {
+ Parcel data, reply;
+ // send command
+ data.writeInterfaceToken(IOboeAudioService::getInterfaceDescriptor());
+ data.writeInt32(streamHandle);
+ status_t err = remote()->transact(PAUSE_STREAM, data, &reply);
+ if (err != NO_ERROR) {
+ return OBOE_ERROR_INTERNAL; // TODO consider another error
+ }
+ // parse reply
+ oboe_result_t res;
+ reply.readInt32(&res);
+ return res;
+ }
+
+ virtual oboe_result_t flushStream(oboe_handle_t streamHandle) override {
+ Parcel data, reply;
+ // send command
+ data.writeInterfaceToken(IOboeAudioService::getInterfaceDescriptor());
+ data.writeInt32(streamHandle);
+ status_t err = remote()->transact(FLUSH_STREAM, data, &reply);
+ if (err != NO_ERROR) {
+ return OBOE_ERROR_INTERNAL; // TODO consider another error
+ }
+ // parse reply
+ oboe_result_t res;
+ reply.readInt32(&res);
+ return res;
+ }
+
+ virtual void tickle() override { // TODO remove after service thread implemented
+ Parcel data;
+ // send command
+ data.writeInterfaceToken(IOboeAudioService::getInterfaceDescriptor());
+ remote()->transact(TICKLE, data, nullptr);
+ }
+
+ virtual oboe_result_t registerAudioThread(oboe_handle_t streamHandle, pid_t clientThreadId,
+ oboe_nanoseconds_t periodNanoseconds)
+ override {
+ Parcel data, reply;
+ // send command
+ data.writeInterfaceToken(IOboeAudioService::getInterfaceDescriptor());
+ data.writeInt32(streamHandle);
+ data.writeInt32((int32_t) clientThreadId);
+ data.writeInt64(periodNanoseconds);
+ status_t err = remote()->transact(REGISTER_AUDIO_THREAD, data, &reply);
+ if (err != NO_ERROR) {
+ return OBOE_ERROR_INTERNAL; // TODO consider another error
+ }
+ // parse reply
+ oboe_result_t res;
+ reply.readInt32(&res);
+ return res;
+ }
+
+ virtual oboe_result_t unregisterAudioThread(oboe_handle_t streamHandle, pid_t clientThreadId)
+ override {
+ Parcel data, reply;
+ // send command
+ data.writeInterfaceToken(IOboeAudioService::getInterfaceDescriptor());
+ data.writeInt32(streamHandle);
+ data.writeInt32((int32_t) clientThreadId);
+ status_t err = remote()->transact(UNREGISTER_AUDIO_THREAD, data, &reply);
+ if (err != NO_ERROR) {
+ return OBOE_ERROR_INTERNAL; // TODO consider another error
+ }
+ // parse reply
+ oboe_result_t res;
+ reply.readInt32(&res);
+ return res;
+ }
+
+};
+
+// Implement an interface to the service.
+// This is here so that you don't have to link with liboboe static library.
+IMPLEMENT_META_INTERFACE(OboeAudioService, "IOboeAudioService");
+
+// The order of parameters in the Parcels must match with code in BpOboeAudioService
+
+status_t BnOboeAudioService::onTransact(uint32_t code, const Parcel& data,
+ Parcel* reply, uint32_t flags) {
+ OboeStream stream;
+ OboeStreamRequest request;
+ OboeStreamConfiguration configuration;
+ pid_t pid;
+ oboe_nanoseconds_t nanoseconds;
+ oboe_result_t result;
+ ALOGV("BnOboeAudioService::onTransact(%i) %i", code, flags);
+ data.checkInterface(this);
+
+ switch(code) {
+ case OPEN_STREAM: {
+ request.readFromParcel(&data);
+ stream = openStream(request, configuration);
+ ALOGD("BnOboeAudioService::onTransact OPEN_STREAM 0x%08X", stream);
+ reply->writeInt32(stream);
+ configuration.writeToParcel(reply);
+ return NO_ERROR;
+ } break;
+
+ case CLOSE_STREAM: {
+ data.readInt32(&stream);
+ ALOGD("BnOboeAudioService::onTransact CLOSE_STREAM 0x%08X", stream);
+ result = closeStream(stream);
+ reply->writeInt32(result);
+ return NO_ERROR;
+ } break;
+
+ case GET_STREAM_DESCRIPTION: {
+ data.readInt32(&stream);
+ ALOGD("BnOboeAudioService::onTransact GET_STREAM_DESCRIPTION 0x%08X", stream);
+ oboe::AudioEndpointParcelable parcelable;
+ result = getStreamDescription(stream, parcelable);
+ if (result != OBOE_OK) {
+ return -1; // FIXME
+ }
+ parcelable.dump();
+ result = parcelable.validate();
+ if (result != OBOE_OK) {
+ return -1; // FIXME
+ }
+ parcelable.writeToParcel(reply);
+ reply->writeInt32(result);
+ return NO_ERROR;
+ } break;
+
+ case START_STREAM: {
+ data.readInt32(&stream);
+ result = startStream(stream);
+ ALOGD("BnOboeAudioService::onTransact START_STREAM 0x%08X, result = %d",
+ stream, result);
+ reply->writeInt32(result);
+ return NO_ERROR;
+ } break;
+
+ case PAUSE_STREAM: {
+ data.readInt32(&stream);
+ result = pauseStream(stream);
+ ALOGD("BnOboeAudioService::onTransact PAUSE_STREAM 0x%08X, result = %d",
+ stream, result);
+ reply->writeInt32(result);
+ return NO_ERROR;
+ } break;
+
+ case FLUSH_STREAM: {
+ data.readInt32(&stream);
+ result = flushStream(stream);
+ ALOGD("BnOboeAudioService::onTransact FLUSH_STREAM 0x%08X, result = %d",
+ stream, result);
+ reply->writeInt32(result);
+ return NO_ERROR;
+ } break;
+
+ case REGISTER_AUDIO_THREAD: {
+ data.readInt32(&stream);
+ data.readInt32(&pid);
+ data.readInt64(&nanoseconds);
+ result = registerAudioThread(stream, pid, nanoseconds);
+ ALOGD("BnOboeAudioService::onTransact REGISTER_AUDIO_THREAD 0x%08X, result = %d",
+ stream, result);
+ reply->writeInt32(result);
+ return NO_ERROR;
+ } break;
+
+ case UNREGISTER_AUDIO_THREAD: {
+ data.readInt32(&stream);
+ data.readInt32(&pid);
+ result = unregisterAudioThread(stream, pid);
+ ALOGD("BnOboeAudioService::onTransact UNREGISTER_AUDIO_THREAD 0x%08X, result = %d",
+ stream, result);
+ reply->writeInt32(result);
+ return NO_ERROR;
+ } break;
+
+ case TICKLE: {
+ ALOGV("BnOboeAudioService::onTransact TICKLE");
+ tickle();
+ return NO_ERROR;
+ } break;
+
+ default:
+ // ALOGW("BnOboeAudioService::onTransact not handled %u", code);
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+} /* namespace android */
diff --git a/media/liboboe/src/binding/OboeServiceDefinitions.h b/media/liboboe/src/binding/OboeServiceDefinitions.h
index 958f7a7..ad00fe2 100644
--- a/media/liboboe/src/binding/OboeServiceDefinitions.h
+++ b/media/liboboe/src/binding/OboeServiceDefinitions.h
@@ -27,6 +27,22 @@
using android::NO_ERROR;
using android::IBinder;
+namespace android {
+
+enum oboe_commands_t {
+ OPEN_STREAM = IBinder::FIRST_CALL_TRANSACTION,
+ CLOSE_STREAM,
+ GET_STREAM_DESCRIPTION,
+ START_STREAM,
+ PAUSE_STREAM,
+ FLUSH_STREAM,
+ REGISTER_AUDIO_THREAD,
+ UNREGISTER_AUDIO_THREAD,
+ TICKLE
+};
+
+} // namespace android
+
namespace oboe {
enum oboe_commands_t {
diff --git a/media/liboboe/src/binding/OboeServiceMessage.h b/media/liboboe/src/binding/OboeServiceMessage.h
new file mode 100644
index 0000000..aa13571
--- /dev/null
+++ b/media/liboboe/src/binding/OboeServiceMessage.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#ifndef OBOE_OBOE_SERVICE_MESSAGE_H
+#define OBOE_OBOE_SERVICE_MESSAGE_H
+
+#include <stdint.h>
+
+#include <oboe/OboeDefinitions.h>
+
+namespace oboe {
+
+// TODO move this an "include" folder for the service.
+
+struct OboeMessageTimestamp {
+ oboe_position_frames_t position;
+ int64_t deviceOffset; // add to client position to get device position
+ oboe_nanoseconds_t timestamp;
+};
+
+typedef enum oboe_service_event_e : uint32_t {
+ OBOE_SERVICE_EVENT_STARTED,
+ OBOE_SERVICE_EVENT_PAUSED,
+ OBOE_SERVICE_EVENT_FLUSHED,
+ OBOE_SERVICE_EVENT_CLOSED,
+ OBOE_SERVICE_EVENT_DISCONNECTED
+} oboe_service_event_t;
+
+struct OboeMessageEvent {
+ oboe_service_event_t event;
+ int32_t data1;
+ int64_t data2;
+};
+
+typedef struct OboeServiceMessage_s {
+ enum class code : uint32_t {
+ NOTHING,
+ TIMESTAMP,
+ EVENT,
+ };
+
+ code what;
+ union {
+ OboeMessageTimestamp timestamp;
+ OboeMessageEvent event;
+ };
+} OboeServiceMessage;
+
+
+} /* namespace oboe */
+
+#endif //OBOE_OBOE_SERVICE_MESSAGE_H
diff --git a/media/liboboe/src/binding/OboeStreamConfiguration.cpp b/media/liboboe/src/binding/OboeStreamConfiguration.cpp
new file mode 100644
index 0000000..4b8b5b2
--- /dev/null
+++ b/media/liboboe/src/binding/OboeStreamConfiguration.cpp
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2016 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.
+ */
+
+#include <stdint.h>
+
+#include <sys/mman.h>
+#include <binder/Parcel.h>
+#include <binder/Parcelable.h>
+
+#include <oboe/OboeDefinitions.h>
+
+#include "binding/OboeStreamConfiguration.h"
+
+using android::NO_ERROR;
+using android::status_t;
+using android::Parcel;
+using android::Parcelable;
+
+using namespace oboe;
+
+OboeStreamConfiguration::OboeStreamConfiguration() {}
+OboeStreamConfiguration::~OboeStreamConfiguration() {}
+
+status_t OboeStreamConfiguration::writeToParcel(Parcel* parcel) const {
+ parcel->writeInt32(mDeviceId);
+ parcel->writeInt32(mSampleRate);
+ parcel->writeInt32(mSamplesPerFrame);
+ parcel->writeInt32((int32_t) mAudioFormat);
+ return NO_ERROR; // TODO check for errors above
+}
+
+status_t OboeStreamConfiguration::readFromParcel(const Parcel* parcel) {
+ int32_t temp;
+ parcel->readInt32(&mDeviceId);
+ parcel->readInt32(&mSampleRate);
+ parcel->readInt32(&mSamplesPerFrame);
+ parcel->readInt32(&temp);
+ mAudioFormat = (oboe_audio_format_t) temp;
+ return NO_ERROR; // TODO check for errors above
+}
+
+oboe_result_t OboeStreamConfiguration::validate() {
+ // Validate results of the open.
+ if (mSampleRate < 0 || mSampleRate >= 8 * 48000) { // TODO review limits
+ ALOGE("OboeStreamConfiguration.validate(): invalid sampleRate = %d", mSampleRate);
+ return OBOE_ERROR_INTERNAL;
+ }
+
+ if (mSamplesPerFrame < 1 || mSamplesPerFrame >= 32) { // TODO review limits
+ ALOGE("OboeStreamConfiguration.validate() invalid samplesPerFrame = %d", mSamplesPerFrame);
+ return OBOE_ERROR_INTERNAL;
+ }
+
+ switch (mAudioFormat) {
+ case OBOE_AUDIO_FORMAT_PCM16:
+ case OBOE_AUDIO_FORMAT_PCM_FLOAT:
+ case OBOE_AUDIO_FORMAT_PCM824:
+ case OBOE_AUDIO_FORMAT_PCM32:
+ break;
+ default:
+ ALOGE("OboeStreamConfiguration.validate() invalid audioFormat = %d", mAudioFormat);
+ return OBOE_ERROR_INTERNAL;
+ }
+ return OBOE_OK;
+}
+
+void OboeStreamConfiguration::dump() {
+ ALOGD("OboeStreamConfiguration mSampleRate = %d -----", mSampleRate);
+ ALOGD("OboeStreamConfiguration mSamplesPerFrame = %d", mSamplesPerFrame);
+ ALOGD("OboeStreamConfiguration mAudioFormat = %d", (int)mAudioFormat);
+}
diff --git a/media/liboboe/src/binding/OboeStreamRequest.cpp b/media/liboboe/src/binding/OboeStreamRequest.cpp
new file mode 100644
index 0000000..5d521d0
--- /dev/null
+++ b/media/liboboe/src/binding/OboeStreamRequest.cpp
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2016 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.
+ */
+
+#include <stdint.h>
+
+#include <sys/mman.h>
+#include <binder/Parcel.h>
+#include <binder/Parcelable.h>
+
+#include <oboe/OboeDefinitions.h>
+
+#include "binding/OboeStreamConfiguration.h"
+#include "binding/OboeStreamRequest.h"
+
+using android::NO_ERROR;
+using android::status_t;
+using android::Parcel;
+using android::Parcelable;
+
+using namespace oboe;
+
+OboeStreamRequest::OboeStreamRequest()
+ : mConfiguration()
+ {}
+
+OboeStreamRequest::~OboeStreamRequest() {}
+
+status_t OboeStreamRequest::writeToParcel(Parcel* parcel) const {
+ parcel->writeInt32((int32_t) mUserId);
+ parcel->writeInt32((int32_t) mProcessId);
+ mConfiguration.writeToParcel(parcel);
+ return NO_ERROR; // TODO check for errors above
+}
+
+status_t OboeStreamRequest::readFromParcel(const Parcel* parcel) {
+ int32_t temp;
+ parcel->readInt32(&temp);
+ mUserId = (uid_t) temp;
+ parcel->readInt32(&temp);
+ mProcessId = (pid_t) temp;
+ mConfiguration.readFromParcel(parcel);
+ return NO_ERROR; // TODO check for errors above
+}
+
+oboe_result_t OboeStreamRequest::validate() {
+ return mConfiguration.validate();
+}
+
+void OboeStreamRequest::dump() {
+ ALOGD("OboeStreamRequest mUserId = %d -----", mUserId);
+ ALOGD("OboeStreamRequest mProcessId = %d", mProcessId);
+ mConfiguration.dump();
+}
diff --git a/media/liboboe/src/binding/RingBufferParcelable.cpp b/media/liboboe/src/binding/RingBufferParcelable.cpp
new file mode 100644
index 0000000..f097655
--- /dev/null
+++ b/media/liboboe/src/binding/RingBufferParcelable.cpp
@@ -0,0 +1,170 @@
+/*
+ * Copyright 2016 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.
+ */
+
+#include <stdint.h>
+
+#include <binder/Parcelable.h>
+
+#include "binding/OboeServiceDefinitions.h"
+#include "binding/SharedRegionParcelable.h"
+#include "binding/RingBufferParcelable.h"
+
+using namespace oboe;
+
+RingBufferParcelable::RingBufferParcelable() {}
+RingBufferParcelable::~RingBufferParcelable() {}
+
+// TODO This assumes that all three use the same SharedMemoryParcelable
+void RingBufferParcelable::setupMemory(int32_t sharedMemoryIndex,
+ int32_t dataMemoryOffset,
+ int32_t dataSizeInBytes,
+ int32_t readCounterOffset,
+ int32_t writeCounterOffset,
+ int32_t counterSizeBytes) {
+ mReadCounterParcelable.setup(sharedMemoryIndex, readCounterOffset, counterSizeBytes);
+ mWriteCounterParcelable.setup(sharedMemoryIndex, writeCounterOffset, counterSizeBytes);
+ mDataParcelable.setup(sharedMemoryIndex, dataMemoryOffset, dataSizeInBytes);
+}
+
+void RingBufferParcelable::setupMemory(int32_t sharedMemoryIndex,
+ int32_t dataMemoryOffset,
+ int32_t dataSizeInBytes) {
+ mReadCounterParcelable.setup(sharedMemoryIndex, 0, 0);
+ mWriteCounterParcelable.setup(sharedMemoryIndex, 0, 0);
+ mDataParcelable.setup(sharedMemoryIndex, dataMemoryOffset, dataSizeInBytes);
+}
+
+int32_t RingBufferParcelable::getBytesPerFrame() {
+ return mBytesPerFrame;
+}
+
+void RingBufferParcelable::setBytesPerFrame(int32_t bytesPerFrame) {
+ mBytesPerFrame = bytesPerFrame;
+}
+
+int32_t RingBufferParcelable::getFramesPerBurst() {
+ return mFramesPerBurst;
+}
+
+void RingBufferParcelable::setFramesPerBurst(int32_t framesPerBurst) {
+ mFramesPerBurst = framesPerBurst;
+}
+
+int32_t RingBufferParcelable::getCapacityInFrames() {
+ return mCapacityInFrames;
+}
+
+void RingBufferParcelable::setCapacityInFrames(int32_t capacityInFrames) {
+ mCapacityInFrames = capacityInFrames;
+}
+
+/**
+ * The read and write must be symmetric.
+ */
+status_t RingBufferParcelable::writeToParcel(Parcel* parcel) const {
+ parcel->writeInt32(mCapacityInFrames);
+ if (mCapacityInFrames > 0) {
+ parcel->writeInt32(mBytesPerFrame);
+ parcel->writeInt32(mFramesPerBurst);
+ parcel->writeInt32(mFlags);
+ mReadCounterParcelable.writeToParcel(parcel);
+ mWriteCounterParcelable.writeToParcel(parcel);
+ mDataParcelable.writeToParcel(parcel);
+ }
+ return NO_ERROR; // TODO check for errors above
+}
+
+status_t RingBufferParcelable::readFromParcel(const Parcel* parcel) {
+ parcel->readInt32(&mCapacityInFrames);
+ if (mCapacityInFrames > 0) {
+ parcel->readInt32(&mBytesPerFrame);
+ parcel->readInt32(&mFramesPerBurst);
+ parcel->readInt32((int32_t *)&mFlags);
+ mReadCounterParcelable.readFromParcel(parcel);
+ mWriteCounterParcelable.readFromParcel(parcel);
+ mDataParcelable.readFromParcel(parcel);
+ }
+ return NO_ERROR; // TODO check for errors above
+}
+
+oboe_result_t RingBufferParcelable::resolve(SharedMemoryParcelable *memoryParcels, RingBufferDescriptor *descriptor) {
+ oboe_result_t result;
+
+ result = mReadCounterParcelable.resolve(memoryParcels,
+ (void **) &descriptor->readCounterAddress);
+ if (result != OBOE_OK) {
+ return result;
+ }
+
+ result = mWriteCounterParcelable.resolve(memoryParcels,
+ (void **) &descriptor->writeCounterAddress);
+ if (result != OBOE_OK) {
+ return result;
+ }
+
+ result = mDataParcelable.resolve(memoryParcels, (void **) &descriptor->dataAddress);
+ if (result != OBOE_OK) {
+ return result;
+ }
+
+ descriptor->bytesPerFrame = mBytesPerFrame;
+ descriptor->framesPerBurst = mFramesPerBurst;
+ descriptor->capacityInFrames = mCapacityInFrames;
+ descriptor->flags = mFlags;
+ return OBOE_OK;
+}
+
+oboe_result_t RingBufferParcelable::validate() {
+ oboe_result_t result;
+ if (mCapacityInFrames < 0 || mCapacityInFrames >= 32 * 1024) {
+ ALOGE("RingBufferParcelable invalid mCapacityInFrames = %d", mCapacityInFrames);
+ return OBOE_ERROR_INTERNAL;
+ }
+ if (mBytesPerFrame < 0 || mBytesPerFrame >= 256) {
+ ALOGE("RingBufferParcelable invalid mBytesPerFrame = %d", mBytesPerFrame);
+ return OBOE_ERROR_INTERNAL;
+ }
+ if (mFramesPerBurst < 0 || mFramesPerBurst >= 1024) {
+ ALOGE("RingBufferParcelable invalid mFramesPerBurst = %d", mFramesPerBurst);
+ return OBOE_ERROR_INTERNAL;
+ }
+ if ((result = mReadCounterParcelable.validate()) != OBOE_OK) {
+ ALOGE("RingBufferParcelable invalid mReadCounterParcelable = %d", result);
+ return result;
+ }
+ if ((result = mWriteCounterParcelable.validate()) != OBOE_OK) {
+ ALOGE("RingBufferParcelable invalid mWriteCounterParcelable = %d", result);
+ return result;
+ }
+ if ((result = mDataParcelable.validate()) != OBOE_OK) {
+ ALOGE("RingBufferParcelable invalid mDataParcelable = %d", result);
+ return result;
+ }
+ return OBOE_OK;
+}
+
+
+void RingBufferParcelable::dump() {
+ ALOGD("RingBufferParcelable mCapacityInFrames = %d ---------", mCapacityInFrames);
+ if (mCapacityInFrames > 0) {
+ ALOGD("RingBufferParcelable mBytesPerFrame = %d", mBytesPerFrame);
+ ALOGD("RingBufferParcelable mFramesPerBurst = %d", mFramesPerBurst);
+ ALOGD("RingBufferParcelable mFlags = %u", mFlags);
+ mReadCounterParcelable.dump();
+ mWriteCounterParcelable.dump();
+ mDataParcelable.dump();
+ }
+}
diff --git a/media/liboboe/src/binding/SharedMemoryParcelable.cpp b/media/liboboe/src/binding/SharedMemoryParcelable.cpp
new file mode 100644
index 0000000..5b739c0
--- /dev/null
+++ b/media/liboboe/src/binding/SharedMemoryParcelable.cpp
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2016 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.
+ */
+
+#include <stdint.h>
+
+#include <sys/mman.h>
+#include <oboe/OboeDefinitions.h>
+
+#include <binder/Parcelable.h>
+
+#include "binding/SharedMemoryParcelable.h"
+
+using android::NO_ERROR;
+using android::status_t;
+using android::Parcel;
+using android::Parcelable;
+
+using namespace oboe;
+
+SharedMemoryParcelable::SharedMemoryParcelable() {}
+SharedMemoryParcelable::~SharedMemoryParcelable() {};
+
+void SharedMemoryParcelable::setup(int fd, int32_t sizeInBytes) {
+ mFd = fd;
+ mSizeInBytes = sizeInBytes;
+}
+
+status_t SharedMemoryParcelable::writeToParcel(Parcel* parcel) const {
+ parcel->writeInt32(mSizeInBytes);
+ if (mSizeInBytes > 0) {
+ parcel->writeDupFileDescriptor(mFd);
+ }
+ return NO_ERROR; // TODO check for errors above
+}
+
+status_t SharedMemoryParcelable::readFromParcel(const Parcel* parcel) {
+ parcel->readInt32(&mSizeInBytes);
+ if (mSizeInBytes > 0) {
+ mFd = dup(parcel->readFileDescriptor());
+ }
+ return NO_ERROR; // TODO check for errors above
+}
+
+// TODO Add code to unmmap()
+
+oboe_result_t SharedMemoryParcelable::resolve(int32_t offsetInBytes, int32_t sizeInBytes,
+ void **regionAddressPtr) {
+ if (offsetInBytes < 0) {
+ ALOGE("SharedMemoryParcelable illegal offsetInBytes = %d", offsetInBytes);
+ return OBOE_ERROR_OUT_OF_RANGE;
+ } else if ((offsetInBytes + sizeInBytes) > mSizeInBytes) {
+ ALOGE("SharedMemoryParcelable out of range, offsetInBytes = %d, "
+ "sizeInBytes = %d, mSizeInBytes = %d",
+ offsetInBytes, sizeInBytes, mSizeInBytes);
+ return OBOE_ERROR_OUT_OF_RANGE;
+ }
+ if (mResolvedAddress == nullptr) {
+ mResolvedAddress = (uint8_t *) mmap(0, mSizeInBytes, PROT_READ|PROT_WRITE,
+ MAP_SHARED, mFd, 0);
+ if (mResolvedAddress == nullptr) {
+ ALOGE("SharedMemoryParcelable mmap failed for fd = %d", mFd);
+ return OBOE_ERROR_INTERNAL;
+ }
+ }
+ *regionAddressPtr = mResolvedAddress + offsetInBytes;
+ ALOGD("SharedMemoryParcelable mResolvedAddress = %p", mResolvedAddress);
+ ALOGD("SharedMemoryParcelable offset by %d, *regionAddressPtr = %p",
+ offsetInBytes, *regionAddressPtr);
+ return OBOE_OK;
+}
+
+int32_t SharedMemoryParcelable::getSizeInBytes() {
+ return mSizeInBytes;
+}
+
+oboe_result_t SharedMemoryParcelable::validate() {
+ if (mSizeInBytes < 0 || mSizeInBytes >= MAX_MMAP_SIZE) {
+ ALOGE("SharedMemoryParcelable invalid mSizeInBytes = %d", mSizeInBytes);
+ return OBOE_ERROR_INTERNAL;
+ }
+ if (mSizeInBytes > 0) {
+ if (mFd == -1) {
+ ALOGE("SharedMemoryParcelable uninitialized mFd = %d", mFd);
+ return OBOE_ERROR_INTERNAL;
+ }
+ }
+ return OBOE_OK;
+}
+
+void SharedMemoryParcelable::dump() {
+ ALOGD("SharedMemoryParcelable mFd = %d", mFd);
+ ALOGD("SharedMemoryParcelable mSizeInBytes = %d", mSizeInBytes);
+ ALOGD("SharedMemoryParcelable mResolvedAddress = %p", mResolvedAddress);
+}
diff --git a/media/liboboe/src/binding/SharedRegionParcelable.cpp b/media/liboboe/src/binding/SharedRegionParcelable.cpp
new file mode 100644
index 0000000..86ce8f3
--- /dev/null
+++ b/media/liboboe/src/binding/SharedRegionParcelable.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2016 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.
+ */
+
+#include <stdint.h>
+
+#include <sys/mman.h>
+#include <binder/Parcelable.h>
+
+#include <oboe/OboeDefinitions.h>
+
+#include "binding/SharedMemoryParcelable.h"
+#include "binding/SharedRegionParcelable.h"
+
+using android::NO_ERROR;
+using android::status_t;
+using android::Parcel;
+using android::Parcelable;
+
+using namespace oboe;
+
+SharedRegionParcelable::SharedRegionParcelable() {}
+SharedRegionParcelable::~SharedRegionParcelable() {}
+
+void SharedRegionParcelable::setup(int32_t sharedMemoryIndex,
+ int32_t offsetInBytes,
+ int32_t sizeInBytes) {
+ mSharedMemoryIndex = sharedMemoryIndex;
+ mOffsetInBytes = offsetInBytes;
+ mSizeInBytes = sizeInBytes;
+}
+
+status_t SharedRegionParcelable::writeToParcel(Parcel* parcel) const {
+ parcel->writeInt32(mSizeInBytes);
+ if (mSizeInBytes > 0) {
+ parcel->writeInt32(mSharedMemoryIndex);
+ parcel->writeInt32(mOffsetInBytes);
+ }
+ return NO_ERROR; // TODO check for errors above
+}
+
+status_t SharedRegionParcelable::readFromParcel(const Parcel* parcel) {
+ parcel->readInt32(&mSizeInBytes);
+ if (mSizeInBytes > 0) {
+ parcel->readInt32(&mSharedMemoryIndex);
+ parcel->readInt32(&mOffsetInBytes);
+ }
+ return NO_ERROR; // TODO check for errors above
+}
+
+oboe_result_t SharedRegionParcelable::resolve(SharedMemoryParcelable *memoryParcels,
+ void **regionAddressPtr) {
+ if (mSizeInBytes == 0) {
+ *regionAddressPtr = nullptr;
+ return OBOE_OK;
+ }
+ if (mSharedMemoryIndex < 0) {
+ ALOGE("SharedRegionParcelable invalid mSharedMemoryIndex = %d", mSharedMemoryIndex);
+ return OBOE_ERROR_INTERNAL;
+ }
+ SharedMemoryParcelable *memoryParcel = &memoryParcels[mSharedMemoryIndex];
+ return memoryParcel->resolve(mOffsetInBytes, mSizeInBytes, regionAddressPtr);
+}
+
+oboe_result_t SharedRegionParcelable::validate() {
+ if (mSizeInBytes < 0 || mSizeInBytes >= MAX_MMAP_SIZE) {
+ ALOGE("SharedRegionParcelable invalid mSizeInBytes = %d", mSizeInBytes);
+ return OBOE_ERROR_INTERNAL;
+ }
+ if (mSizeInBytes > 0) {
+ if (mOffsetInBytes < 0 || mOffsetInBytes >= MAX_MMAP_OFFSET) {
+ ALOGE("SharedRegionParcelable invalid mOffsetInBytes = %d", mOffsetInBytes);
+ return OBOE_ERROR_INTERNAL;
+ }
+ if (mSharedMemoryIndex < 0 || mSharedMemoryIndex >= MAX_SHARED_MEMORIES) {
+ ALOGE("SharedRegionParcelable invalid mSharedMemoryIndex = %d", mSharedMemoryIndex);
+ return OBOE_ERROR_INTERNAL;
+ }
+ }
+ return OBOE_OK;
+}
+
+void SharedRegionParcelable::dump() {
+ ALOGD("SharedRegionParcelable mSizeInBytes = %d -----", mSizeInBytes);
+ if (mSizeInBytes > 0) {
+ ALOGD("SharedRegionParcelable mSharedMemoryIndex = %d", mSharedMemoryIndex);
+ ALOGD("SharedRegionParcelable mOffsetInBytes = %d", mOffsetInBytes);
+ }
+}