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PL286/hardware/interfaces/tv/input/1.0/default/TvInput.cpp

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/*
* 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"
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;
}
}
} else if (ret == -EINVAL) {
res = Result::INVALID_ARGUMENTS;
}
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 {
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;
tvInputEvent.deviceInfo.cableConnectionStatus = CableConnectionStatus::UNKNOWN;
// 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 " << TV_INPUT_HARDWARE_MODULE_ID
<< " failed: " << ret;
return nullptr;
}
}
} // namespace implementation
} // namespace V1_0
} // namespace input
} // namespace tv
} // namespace hardware
} // namespace android