tv.input: add android.hardware.tv.input@1.0-(impl|service)

Test: end-to-end test with SW hal implementation
Bug: 32096101
Change-Id: Ieae2129ffd90cdd5f4605bd7cbcb2d7c9ed36f42
diff --git a/tv/input/1.0/default/TvInput.cpp b/tv/input/1.0/default/TvInput.cpp
new file mode 100644
index 0000000..6181ffb
--- /dev/null
+++ b/tv/input/1.0/default/TvInput.cpp
@@ -0,0 +1,226 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "android.hardware.tv.input@1.0-service"
+#include <android-base/logging.h>
+
+#include "TvInput.h"
+
+const native_handle_t kNullNativeHandle{sizeof(native_handle_t), 0, 0, {}};
+
+namespace android {
+namespace hardware {
+namespace tv {
+namespace input {
+namespace V1_0 {
+namespace implementation {
+
+static_assert(TV_INPUT_TYPE_OTHER_HARDWARE == static_cast<int>(TvInputType::OTHER),
+        "TvInputType::OTHER must match legacy value.");
+static_assert(TV_INPUT_TYPE_TUNER == static_cast<int>(TvInputType::TUNER),
+        "TvInputType::TUNER must match legacy value.");
+static_assert(TV_INPUT_TYPE_COMPOSITE == static_cast<int>(TvInputType::COMPOSITE),
+        "TvInputType::COMPOSITE must match legacy value.");
+static_assert(TV_INPUT_TYPE_SVIDEO == static_cast<int>(TvInputType::SVIDEO),
+        "TvInputType::SVIDEO must match legacy value.");
+static_assert(TV_INPUT_TYPE_SCART == static_cast<int>(TvInputType::SCART),
+        "TvInputType::SCART must match legacy value.");
+static_assert(TV_INPUT_TYPE_COMPONENT == static_cast<int>(TvInputType::COMPONENT),
+        "TvInputType::COMPONENT must match legacy value.");
+static_assert(TV_INPUT_TYPE_VGA == static_cast<int>(TvInputType::VGA),
+        "TvInputType::VGA must match legacy value.");
+static_assert(TV_INPUT_TYPE_DVI == static_cast<int>(TvInputType::DVI),
+        "TvInputType::DVI must match legacy value.");
+static_assert(TV_INPUT_TYPE_HDMI == static_cast<int>(TvInputType::HDMI),
+        "TvInputType::HDMI must match legacy value.");
+static_assert(TV_INPUT_TYPE_DISPLAY_PORT == static_cast<int>(TvInputType::DISPLAY_PORT),
+        "TvInputType::DISPLAY_PORT must match legacy value.");
+
+static_assert(TV_INPUT_EVENT_DEVICE_AVAILABLE == static_cast<int>(
+        TvInputEventType::DEVICE_AVAILABLE),
+        "TvInputEventType::DEVICE_AVAILABLE must match legacy value.");
+static_assert(TV_INPUT_EVENT_DEVICE_UNAVAILABLE == static_cast<int>(
+        TvInputEventType::DEVICE_UNAVAILABLE),
+        "TvInputEventType::DEVICE_UNAVAILABLE must match legacy value.");
+static_assert(TV_INPUT_EVENT_STREAM_CONFIGURATIONS_CHANGED == static_cast<int>(
+        TvInputEventType::STREAM_CONFIGURATIONS_CHANGED),
+        "TvInputEventType::STREAM_CONFIGURATIONS_CHANGED must match legacy value.");
+
+sp<ITvInputCallback> TvInput::mCallback = nullptr;
+
+TvInput::TvInput(tv_input_device_t* device) : mDevice(device) {
+    mCallbackOps.notify = &TvInput::notify;
+}
+
+TvInput::~TvInput() {
+    if (mDevice != nullptr) {
+        free(mDevice);
+    }
+}
+
+// Methods from ::android::hardware::tv_input::V1_0::ITvInput follow.
+Return<void> TvInput::setCallback(const sp<ITvInputCallback>& callback)  {
+    mCallback = callback;
+    if (mCallback != nullptr) {
+        mDevice->initialize(mDevice, &mCallbackOps, nullptr);
+    }
+    return Void();
+}
+
+Return<void> TvInput::getStreamConfigurations(int32_t deviceId, getStreamConfigurations_cb cb)  {
+    int32_t configCount = 0;
+    const tv_stream_config_t* configs = nullptr;
+    int ret = mDevice->get_stream_configurations(mDevice, deviceId, &configCount, &configs);
+    Result res = Result::UNKNOWN;
+    hidl_vec<TvStreamConfig> tvStreamConfigs;
+    if (ret == 0) {
+        res = Result::OK;
+        tvStreamConfigs.resize(getSupportedConfigCount(configCount, configs));
+        int32_t pos = 0;
+        for (int32_t i = 0; i < configCount; ++i) {
+            if (isSupportedStreamType(configs[i].type)) {
+                tvStreamConfigs[pos].streamId = configs[i].stream_id;
+                tvStreamConfigs[pos].maxVideoWidth = configs[i].max_video_width;
+                tvStreamConfigs[pos].maxVideoHeight = configs[i].max_video_height;
+                ++pos;
+            }
+        }
+    }
+    cb(res, tvStreamConfigs);
+    return Void();
+}
+
+Return<void> TvInput::openStream(int32_t deviceId, int32_t streamId, openStream_cb cb)  {
+    tv_stream_t stream;
+    stream.stream_id = streamId;
+    int ret = mDevice->open_stream(mDevice, deviceId, &stream);
+    Result res = Result::UNKNOWN;
+    native_handle_t* sidebandStream = nullptr;
+    if (ret == 0) {
+        if (isSupportedStreamType(stream.type)) {
+            res = Result::OK;
+            sidebandStream = stream.sideband_stream_source_handle;
+        }
+    } else {
+        // TODO(b/30814137)
+        sidebandStream = const_cast<native_handle_t*>(&kNullNativeHandle);
+        if (ret == -EBUSY) {
+            res = Result::NO_RESOURCE;
+        } else if (ret == -EEXIST) {
+            res = Result::INVALID_STATE;
+        } else if (ret == -EINVAL) {
+            res = Result::INVALID_ARGUMENTS;
+        }
+    }
+    cb(res, sidebandStream);
+    return Void();
+}
+
+Return<Result> TvInput::closeStream(int32_t deviceId, int32_t streamId)  {
+    int ret = mDevice->close_stream(mDevice, deviceId, streamId);
+    Result res = Result::UNKNOWN;
+    if (ret == 0) {
+        res = Result::OK;
+    } else if (ret == -ENOENT) {
+        res = Result::INVALID_STATE;
+    } else if (ret == -EINVAL) {
+        res = Result::INVALID_ARGUMENTS;
+    }
+    return res;
+}
+
+// static
+void TvInput::notify(struct tv_input_device* __unused, tv_input_event_t* event,
+        void* __unused) {
+    if (mCallback != nullptr && event != nullptr) {
+        // Capturing is no longer supported.
+        if (event->type >= TV_INPUT_EVENT_CAPTURE_SUCCEEDED) {
+            return;
+        }
+        TvInputEvent tvInputEvent;
+        tvInputEvent.type = static_cast<TvInputEventType>(event->type);
+        tvInputEvent.deviceInfo.deviceId = event->device_info.device_id;
+        tvInputEvent.deviceInfo.type = static_cast<TvInputType>(
+                event->device_info.type);
+        tvInputEvent.deviceInfo.portId = event->device_info.hdmi.port_id;
+        // TODO: Ensure the legacy audio type code is the same once audio HAL default
+        // implementation is ready.
+        tvInputEvent.deviceInfo.audioType = static_cast<AudioDevice>(
+                event->device_info.audio_type);
+        memset(tvInputEvent.deviceInfo.audioAddress.data(), 0,
+                tvInputEvent.deviceInfo.audioAddress.size());
+        const char* address = event->device_info.audio_address;
+        if (address != nullptr) {
+            size_t size = strlen(address);
+            if (size > tvInputEvent.deviceInfo.audioAddress.size()) {
+                LOG(ERROR) << "Audio address is too long. Address:" << address << "";
+                return;
+            }
+            for (size_t i = 0; i < size; ++i) {
+                tvInputEvent.deviceInfo.audioAddress[i] =
+                    static_cast<uint8_t>(event->device_info.audio_address[i]);
+            }
+        }
+        mCallback->notify(tvInputEvent);
+    }
+}
+
+// static
+uint32_t TvInput::getSupportedConfigCount(uint32_t configCount,
+        const tv_stream_config_t* configs) {
+    uint32_t supportedConfigCount = 0;
+    for (uint32_t i = 0; i < configCount; ++i) {
+        if (isSupportedStreamType(configs[i].type)) {
+            supportedConfigCount++;
+        }
+    }
+    return supportedConfigCount;
+}
+
+// static
+bool TvInput::isSupportedStreamType(int type) {
+    // Buffer producer type is no longer supported.
+    return type != TV_STREAM_TYPE_BUFFER_PRODUCER;
+}
+
+ITvInput* HIDL_FETCH_ITvInput(const char* name) {
+    int ret = 0;
+    const hw_module_t* hw_module = nullptr;
+    tv_input_device_t* input_device;
+    ret = hw_get_module(TV_INPUT_HARDWARE_MODULE_ID, &hw_module);
+    if (ret == 0 && hw_module->methods->open != nullptr) {
+        ret = hw_module->methods->open(hw_module, TV_INPUT_DEFAULT_DEVICE,
+                reinterpret_cast<hw_device_t**>(&input_device));
+        if (ret == 0) {
+            return new TvInput(input_device);
+        }
+        else {
+            LOG(ERROR) << "Passthrough failed to load legacy HAL.";
+            return nullptr;
+        }
+    }
+    else {
+        LOG(ERROR) << "hw_get_module " << name << " failed: " << ret;
+        return nullptr;
+    }
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace input
+}  // namespace tv
+}  // namespace hardware
+}  // namespace android