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/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);
+}