Add IPTV default implementation
Frontend::tune(): create a streamer using plugin interface to
read a byte and return LOCKED event if byte is read
Demux::setFrontendDataSource():open a new stream to read data
from the socket and push the data read to DVR FMQ.
Test: atest VtsHalTvTunerTargetTest
Bug: 288170590
Change-Id: Iaf2eae7b4dc9e7d69b1f7b3a367d24f6acdd68be
diff --git a/tv/tuner/aidl/default/Android.bp b/tv/tuner/aidl/default/Android.bp
index 65fa821..ed97d9c 100644
--- a/tv/tuner/aidl/default/Android.bp
+++ b/tv/tuner/aidl/default/Android.bp
@@ -23,6 +23,7 @@
"TimeFilter.cpp",
"Tuner.cpp",
"service.cpp",
+ "dtv_plugin.cpp",
],
static_libs: [
"libaidlcommonsupport",
diff --git a/tv/tuner/aidl/default/Demux.cpp b/tv/tuner/aidl/default/Demux.cpp
index 11e7131..34e3442 100644
--- a/tv/tuner/aidl/default/Demux.cpp
+++ b/tv/tuner/aidl/default/Demux.cpp
@@ -20,7 +20,9 @@
#include <aidl/android/hardware/tv/tuner/DemuxQueueNotifyBits.h>
#include <aidl/android/hardware/tv/tuner/Result.h>
+#include <fmq/AidlMessageQueue.h>
#include <utils/Log.h>
+#include <thread>
#include "Demux.h"
namespace aidl {
@@ -29,6 +31,15 @@
namespace tv {
namespace tuner {
+using ::aidl::android::hardware::common::fmq::MQDescriptor;
+using ::aidl::android::hardware::common::fmq::SynchronizedReadWrite;
+using ::android::AidlMessageQueue;
+using ::android::hardware::EventFlag;
+
+using FilterMQ = AidlMessageQueue<int8_t, SynchronizedReadWrite>;
+using AidlMQ = AidlMessageQueue<int8_t, SynchronizedReadWrite>;
+using AidlMQDesc = MQDescriptor<int8_t, SynchronizedReadWrite>;
+
#define WAIT_TIMEOUT 3000000000
Demux::Demux(int32_t demuxId, uint32_t filterTypes) {
@@ -45,6 +56,111 @@
close();
}
+::ndk::ScopedAStatus Demux::openDvr(DvrType in_type, int32_t in_bufferSize,
+ const std::shared_ptr<IDvrCallback>& in_cb,
+ std::shared_ptr<IDvr>* _aidl_return) {
+ ALOGV("%s", __FUNCTION__);
+
+ if (in_cb == nullptr) {
+ ALOGW("[Demux] DVR callback can't be null");
+ *_aidl_return = nullptr;
+ return ::ndk::ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(Result::INVALID_ARGUMENT));
+ }
+
+ set<int64_t>::iterator it;
+ switch (in_type) {
+ case DvrType::PLAYBACK:
+ mDvrPlayback = ndk::SharedRefBase::make<Dvr>(in_type, in_bufferSize, in_cb,
+ this->ref<Demux>());
+ if (!mDvrPlayback->createDvrMQ()) {
+ ALOGE("[Demux] cannot create dvr message queue");
+ mDvrPlayback = nullptr;
+ *_aidl_return = mDvrPlayback;
+ return ::ndk::ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(Result::UNKNOWN_ERROR));
+ }
+
+ for (it = mPlaybackFilterIds.begin(); it != mPlaybackFilterIds.end(); it++) {
+ if (!mDvrPlayback->addPlaybackFilter(*it, mFilters[*it])) {
+ ALOGE("[Demux] Can't get filter info for DVR playback");
+ mDvrPlayback = nullptr;
+ *_aidl_return = mDvrPlayback;
+ return ::ndk::ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(Result::UNKNOWN_ERROR));
+ }
+ }
+
+ ALOGI("Playback normal case");
+
+ *_aidl_return = mDvrPlayback;
+ return ::ndk::ScopedAStatus::ok();
+ case DvrType::RECORD:
+ mDvrRecord = ndk::SharedRefBase::make<Dvr>(in_type, in_bufferSize, in_cb,
+ this->ref<Demux>());
+ if (!mDvrRecord->createDvrMQ()) {
+ mDvrRecord = nullptr;
+ *_aidl_return = mDvrRecord;
+ return ::ndk::ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(Result::UNKNOWN_ERROR));
+ }
+
+ *_aidl_return = mDvrRecord;
+ return ::ndk::ScopedAStatus::ok();
+ default:
+ *_aidl_return = nullptr;
+ return ::ndk::ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(Result::INVALID_ARGUMENT));
+ }
+}
+
+void Demux::readIptvThreadLoop(dtv_plugin* interface, dtv_streamer* streamer, void* buf,
+ size_t buf_size, int timeout_ms, int buffer_timeout) {
+ Timer *timer, *fullBufferTimer;
+ while (mDemuxIptvReadThreadRunning) {
+ if (mIsIptvDvrFMQFull && fullBufferTimer->get_elapsed_time_ms() > buffer_timeout) {
+ ALOGE("DVR FMQ has not been flushed within timeout of %d ms", buffer_timeout);
+ delete fullBufferTimer;
+ break;
+ }
+ timer = new Timer();
+ ssize_t bytes_read = interface->read_stream(streamer, buf, buf_size, timeout_ms);
+ if (bytes_read == 0) {
+ double elapsed_time = timer->get_elapsed_time_ms();
+ if (elapsed_time > timeout_ms) {
+ ALOGE("[Demux] timeout reached - elapsed_time: %f, timeout: %d", elapsed_time,
+ timeout_ms);
+ }
+ ALOGE("[Demux] Cannot read data from the socket");
+ delete timer;
+ break;
+ }
+
+ delete timer;
+ ALOGI("Number of bytes read: %zd", bytes_read);
+ int result = mDvrPlayback->writePlaybackFMQ(buf, bytes_read);
+
+ switch (result) {
+ case DVR_WRITE_FAILURE_REASON_FMQ_FULL:
+ if (!mIsIptvDvrFMQFull) {
+ mIsIptvDvrFMQFull = true;
+ fullBufferTimer = new Timer();
+ }
+ ALOGI("Waiting for client to flush DVR FMQ.");
+ break;
+ case DVR_WRITE_FAILURE_REASON_UNKNOWN:
+ ALOGE("Failed to write data into DVR FMQ for unknown reason");
+ break;
+ case DVR_WRITE_SUCCESS:
+ ALOGI("Wrote %zd bytes to DVR FMQ", bytes_read);
+ break;
+ default:
+ ALOGI("Invalid DVR Status");
+ }
+ }
+ mDemuxIptvReadThreadRunning = false;
+}
+
::ndk::ScopedAStatus Demux::setFrontendDataSource(int32_t in_frontendId) {
ALOGV("%s", __FUNCTION__);
@@ -52,7 +168,6 @@
return ::ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(Result::NOT_INITIALIZED));
}
-
mFrontend = mTuner->getFrontendById(in_frontendId);
if (mFrontend == nullptr) {
return ::ndk::ScopedAStatus::fromServiceSpecificError(
@@ -61,6 +176,58 @@
mTuner->setFrontendAsDemuxSource(in_frontendId, mDemuxId);
+ // if mFrontend is an IPTV frontend, create streamer to read TS data from socket
+ if (mFrontend->getFrontendType() == FrontendType::IPTV) {
+ // create a DVR instance on the demux
+ shared_ptr<IDvr> iptvDvr;
+
+ std::shared_ptr<IDvrCallback> dvrPlaybackCallback =
+ ::ndk::SharedRefBase::make<DvrPlaybackCallback>();
+
+ ::ndk::ScopedAStatus status =
+ openDvr(DvrType::PLAYBACK, IPTV_BUFFER_SIZE, dvrPlaybackCallback, &iptvDvr);
+ if (status.isOk()) {
+ ALOGI("DVR instance created");
+ }
+
+ // get plugin interface from frontend
+ dtv_plugin* interface = mFrontend->getIptvPluginInterface();
+ if (interface == nullptr) {
+ ALOGE("[Demux] getIptvPluginInterface(): plugin interface is null");
+ return ::ndk::ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(Result::INVALID_STATE));
+ }
+ ALOGI("[Demux] getIptvPluginInterface(): plugin interface is not null");
+
+ // get streamer object from Frontend instance
+ dtv_streamer* streamer = mFrontend->getIptvPluginStreamer();
+ if (streamer == nullptr) {
+ ALOGE("[Demux] getIptvPluginStreamer(): streamer is null");
+ return ::ndk::ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(Result::INVALID_STATE));
+ }
+ ALOGI("[Demux] getIptvPluginStreamer(): streamer is not null");
+
+ // get transport description from frontend
+ string transport_desc = mFrontend->getIptvTransportDescription();
+ ALOGI("[Demux] getIptvTransportDescription(): transport_desc: %s", transport_desc.c_str());
+
+ // call read_stream on the socket to populate the buffer with TS data
+ // while thread is alive, keep reading data
+ int timeout_ms = 20;
+ int buffer_timeout = 10000; // 10s
+ void* buf = malloc(sizeof(char) * IPTV_BUFFER_SIZE);
+ if (buf == nullptr) ALOGI("malloc buf failed");
+ ALOGI("[ INFO ] Allocated buffer of size %d", IPTV_BUFFER_SIZE);
+ ALOGI("Getting FMQ from DVR instance to write socket data");
+ mDemuxIptvReadThreadRunning = true;
+ mDemuxIptvReadThread = std::thread(&Demux::readIptvThreadLoop, this, interface, streamer,
+ buf, IPTV_BUFFER_SIZE, timeout_ms, buffer_timeout);
+ if (mDemuxIptvReadThread.joinable()) {
+ mDemuxIptvReadThread.join();
+ }
+ free(buf);
+ }
return ::ndk::ScopedAStatus::ok();
}
@@ -193,61 +360,6 @@
return ::ndk::ScopedAStatus::ok();
}
-::ndk::ScopedAStatus Demux::openDvr(DvrType in_type, int32_t in_bufferSize,
- const std::shared_ptr<IDvrCallback>& in_cb,
- std::shared_ptr<IDvr>* _aidl_return) {
- ALOGV("%s", __FUNCTION__);
-
- if (in_cb == nullptr) {
- ALOGW("[Demux] DVR callback can't be null");
- *_aidl_return = nullptr;
- return ::ndk::ScopedAStatus::fromServiceSpecificError(
- static_cast<int32_t>(Result::INVALID_ARGUMENT));
- }
-
- set<int64_t>::iterator it;
- switch (in_type) {
- case DvrType::PLAYBACK:
- mDvrPlayback = ndk::SharedRefBase::make<Dvr>(in_type, in_bufferSize, in_cb,
- this->ref<Demux>());
- if (!mDvrPlayback->createDvrMQ()) {
- mDvrPlayback = nullptr;
- *_aidl_return = mDvrPlayback;
- return ::ndk::ScopedAStatus::fromServiceSpecificError(
- static_cast<int32_t>(Result::UNKNOWN_ERROR));
- }
-
- for (it = mPlaybackFilterIds.begin(); it != mPlaybackFilterIds.end(); it++) {
- if (!mDvrPlayback->addPlaybackFilter(*it, mFilters[*it])) {
- ALOGE("[Demux] Can't get filter info for DVR playback");
- mDvrPlayback = nullptr;
- *_aidl_return = mDvrPlayback;
- return ::ndk::ScopedAStatus::fromServiceSpecificError(
- static_cast<int32_t>(Result::UNKNOWN_ERROR));
- }
- }
-
- *_aidl_return = mDvrPlayback;
- return ::ndk::ScopedAStatus::ok();
- case DvrType::RECORD:
- mDvrRecord = ndk::SharedRefBase::make<Dvr>(in_type, in_bufferSize, in_cb,
- this->ref<Demux>());
- if (!mDvrRecord->createDvrMQ()) {
- mDvrRecord = nullptr;
- *_aidl_return = mDvrRecord;
- return ::ndk::ScopedAStatus::fromServiceSpecificError(
- static_cast<int32_t>(Result::UNKNOWN_ERROR));
- }
-
- *_aidl_return = mDvrRecord;
- return ::ndk::ScopedAStatus::ok();
- default:
- *_aidl_return = nullptr;
- return ::ndk::ScopedAStatus::fromServiceSpecificError(
- static_cast<int32_t>(Result::INVALID_ARGUMENT));
- }
-}
-
::ndk::ScopedAStatus Demux::connectCiCam(int32_t in_ciCamId) {
ALOGV("%s", __FUNCTION__);
diff --git a/tv/tuner/aidl/default/Demux.h b/tv/tuner/aidl/default/Demux.h
index 7d7aee4..a23063f 100644
--- a/tv/tuner/aidl/default/Demux.h
+++ b/tv/tuner/aidl/default/Demux.h
@@ -17,6 +17,7 @@
#pragma once
#include <aidl/android/hardware/tv/tuner/BnDemux.h>
+#include <aidl/android/hardware/tv/tuner/BnDvrCallback.h>
#include <fmq/AidlMessageQueue.h>
#include <math.h>
@@ -28,7 +29,9 @@
#include "Filter.h"
#include "Frontend.h"
#include "TimeFilter.h"
+#include "Timer.h"
#include "Tuner.h"
+#include "dtv_plugin.h"
using namespace std;
@@ -44,6 +47,8 @@
using ::android::hardware::EventFlag;
using FilterMQ = AidlMessageQueue<int8_t, SynchronizedReadWrite>;
+using AidlMQ = AidlMessageQueue<int8_t, SynchronizedReadWrite>;
+using AidlMQDesc = MQDescriptor<int8_t, SynchronizedReadWrite>;
class Dvr;
class Filter;
@@ -51,6 +56,19 @@
class TimeFilter;
class Tuner;
+class DvrPlaybackCallback : public BnDvrCallback {
+ public:
+ virtual ::ndk::ScopedAStatus onPlaybackStatus(PlaybackStatus status) override {
+ ALOGD("demux.h: playback status %d", status);
+ return ndk::ScopedAStatus::ok();
+ }
+
+ virtual ::ndk::ScopedAStatus onRecordStatus(RecordStatus status) override {
+ ALOGD("Record Status %hhd", status);
+ return ndk::ScopedAStatus::ok();
+ }
+};
+
class Demux : public BnDemux {
public:
Demux(int32_t demuxId, uint32_t filterTypes);
@@ -85,6 +103,8 @@
void setIsRecording(bool isRecording);
bool isRecording();
void startFrontendInputLoop();
+ void readIptvThreadLoop(dtv_plugin* interface, dtv_streamer* streamer, void* buf, size_t size,
+ int timeout_ms, int buffer_timeout);
/**
* A dispatcher to read and dispatch input data to all the started filters.
@@ -167,11 +187,16 @@
// Thread handlers
std::thread mFrontendInputThread;
+ std::thread mDemuxIptvReadThread;
+
+ // track whether the DVR FMQ for IPTV Playback is full
+ bool mIsIptvDvrFMQFull = false;
/**
* If a specific filter's writing loop is still running
*/
std::atomic<bool> mFrontendInputThreadRunning;
+ std::atomic<bool> mDemuxIptvReadThreadRunning;
std::atomic<bool> mKeepFetchingDataFromFrontend;
/**
diff --git a/tv/tuner/aidl/default/Dvr.cpp b/tv/tuner/aidl/default/Dvr.cpp
index c046ae3..f997b15 100644
--- a/tv/tuner/aidl/default/Dvr.cpp
+++ b/tv/tuner/aidl/default/Dvr.cpp
@@ -236,6 +236,20 @@
ALOGD("[Dvr] playback thread ended.");
}
+void Dvr::maySendIptvPlaybackStatusCallback() {
+ lock_guard<mutex> lock(mPlaybackStatusLock);
+ int availableToRead = mDvrMQ->availableToRead();
+ int availableToWrite = mDvrMQ->availableToWrite();
+
+ PlaybackStatus newStatus = checkPlaybackStatusChange(availableToWrite, availableToRead,
+ IPTV_PLAYBACK_STATUS_THRESHOLD_HIGH,
+ IPTV_PLAYBACK_STATUS_THRESHOLD_LOW);
+ if (mPlaybackStatus != newStatus) {
+ mCallback->onPlaybackStatus(newStatus);
+ mPlaybackStatus = newStatus;
+ }
+}
+
void Dvr::maySendPlaybackStatusCallback() {
lock_guard<mutex> lock(mPlaybackStatusLock);
int availableToRead = mDvrMQ->availableToRead();
@@ -443,6 +457,24 @@
return true;
}
+int Dvr::writePlaybackFMQ(void* buf, size_t size) {
+ lock_guard<mutex> lock(mWriteLock);
+ ALOGI("Playback status: %d", mPlaybackStatus);
+ if (mPlaybackStatus == PlaybackStatus::SPACE_FULL) {
+ ALOGW("[Dvr] stops writing and wait for the client side flushing.");
+ return DVR_WRITE_FAILURE_REASON_FMQ_FULL;
+ }
+ ALOGI("availableToWrite before: %zu", mDvrMQ->availableToWrite());
+ if (mDvrMQ->write((int8_t*)buf, size)) {
+ mDvrEventFlag->wake(static_cast<uint32_t>(DemuxQueueNotifyBits::DATA_READY));
+ ALOGI("availableToWrite: %zu", mDvrMQ->availableToWrite());
+ maySendIptvPlaybackStatusCallback();
+ return DVR_WRITE_SUCCESS;
+ }
+ maySendIptvPlaybackStatusCallback();
+ return DVR_WRITE_FAILURE_REASON_UNKNOWN;
+}
+
bool Dvr::writeRecordFMQ(const vector<int8_t>& data) {
lock_guard<mutex> lock(mWriteLock);
if (mRecordStatus == RecordStatus::OVERFLOW) {
diff --git a/tv/tuner/aidl/default/Dvr.h b/tv/tuner/aidl/default/Dvr.h
index 293c533..4af187b 100644
--- a/tv/tuner/aidl/default/Dvr.h
+++ b/tv/tuner/aidl/default/Dvr.h
@@ -43,6 +43,19 @@
using DvrMQ = AidlMessageQueue<int8_t, SynchronizedReadWrite>;
+const int DVR_WRITE_SUCCESS = 0;
+const int DVR_WRITE_FAILURE_REASON_FMQ_FULL = 1;
+const int DVR_WRITE_FAILURE_REASON_UNKNOWN = 2;
+
+const int TS_SIZE = 188;
+const int IPTV_BUFFER_SIZE = TS_SIZE * 7 * 8; // defined in service_streamer_udp in cbs v3 project
+
+// Thresholds are defined to indicate how full the buffers are.
+const double HIGH_THRESHOLD_PERCENT = 0.90;
+const double LOW_THRESHOLD_PERCENT = 0.15;
+const int IPTV_PLAYBACK_STATUS_THRESHOLD_HIGH = IPTV_BUFFER_SIZE * HIGH_THRESHOLD_PERCENT;
+const int IPTV_PLAYBACK_STATUS_THRESHOLD_LOW = IPTV_BUFFER_SIZE * LOW_THRESHOLD_PERCENT;
+
struct MediaEsMetaData {
bool isAudio;
int startIndex;
@@ -80,6 +93,7 @@
* Return false is any of the above processes fails.
*/
bool createDvrMQ();
+ int writePlaybackFMQ(void* buf, size_t size);
bool writeRecordFMQ(const std::vector<int8_t>& data);
bool addPlaybackFilter(int64_t filterId, std::shared_ptr<IFilter> filter);
bool removePlaybackFilter(int64_t filterId);
@@ -102,6 +116,7 @@
bool readDataFromMQ();
void getMetaDataValue(int& index, int8_t* dataOutputBuffer, int& value);
void maySendPlaybackStatusCallback();
+ void maySendIptvPlaybackStatusCallback();
void maySendRecordStatusCallback();
PlaybackStatus checkPlaybackStatusChange(uint32_t availableToWrite, uint32_t availableToRead,
int64_t highThreshold, int64_t lowThreshold);
diff --git a/tv/tuner/aidl/default/Frontend.cpp b/tv/tuner/aidl/default/Frontend.cpp
index cd072bf..6bdbac5 100644
--- a/tv/tuner/aidl/default/Frontend.cpp
+++ b/tv/tuner/aidl/default/Frontend.cpp
@@ -213,20 +213,82 @@
return ::ndk::ScopedAStatus::ok();
}
-::ndk::ScopedAStatus Frontend::tune(const FrontendSettings& /* in_settings */) {
- ALOGV("%s", __FUNCTION__);
+void Frontend::readTuneByte(dtv_streamer* streamer, void* buf, size_t buf_size, int timeout_ms) {
+ ssize_t bytes_read = mIptvPluginInterface->read_stream(streamer, buf, buf_size, timeout_ms);
+ if (bytes_read == 0) {
+ ALOGI("[ ERROR ] Tune byte couldn't be read.");
+ return;
+ }
+ mCallback->onEvent(FrontendEventType::LOCKED);
+ mIsLocked = true;
+}
+
+::ndk::ScopedAStatus Frontend::tune(const FrontendSettings& in_settings) {
if (mCallback == nullptr) {
- ALOGW("[ WARN ] Frontend callback is not set when tune");
+ ALOGW("[ WARN ] Frontend callback is not set for tunin0g");
return ::ndk::ScopedAStatus::fromServiceSpecificError(
static_cast<int32_t>(Result::INVALID_STATE));
}
if (mType != FrontendType::IPTV) {
mTuner->frontendStartTune(mId);
- }
+ mCallback->onEvent(FrontendEventType::LOCKED);
+ mIsLocked = true;
+ } else {
+ // This is a reference implementation for IPTV. It uses an additional socket buffer.
+ // Vendors can use hardware memory directly to make the implementation more performant.
+ ALOGI("[ INFO ] Frontend type is set to IPTV, tag = %d id=%d", in_settings.getTag(),
+ mId);
- mCallback->onEvent(FrontendEventType::LOCKED);
- mIsLocked = true;
+ // load udp plugin for reading TS data
+ const char* path = "/vendor/lib/iptv_udp_plugin.so";
+ DtvPlugin* plugin = new DtvPlugin(path);
+ if (!plugin) {
+ ALOGE("Failed to create DtvPlugin, plugin_path is invalid");
+ return ::ndk::ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(Result::INVALID_ARGUMENT));
+ }
+ bool plugin_loaded = plugin->load();
+ if (!plugin_loaded) {
+ ALOGE("Failed to load plugin");
+ return ::ndk::ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(Result::INVALID_ARGUMENT));
+ }
+ mIptvPluginInterface = plugin->interface();
+
+ // validate content_url format
+ std::string content_url = in_settings.get<FrontendSettings::Tag::iptv>()->contentUrl;
+ std::string transport_desc = "{ \"uri\": \"" + content_url + "\"}";
+ ALOGI("[ INFO ] transport_desc: %s", transport_desc.c_str());
+ bool is_transport_desc_valid = plugin->validate(transport_desc.c_str());
+ if (!is_transport_desc_valid) { // not of format protocol://ip:port
+ ALOGE("[ INFO ] transport_desc is not valid");
+ return ::ndk::ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(Result::INVALID_ARGUMENT));
+ }
+ mIptvTransportDescription = transport_desc;
+
+ // create a streamer and open it for reading data
+ dtv_streamer* streamer = mIptvPluginInterface->create_streamer();
+ mIptvPluginStreamer = streamer;
+ int open_fd = mIptvPluginInterface->open_stream(streamer, transport_desc.c_str());
+ if (open_fd < 0) {
+ ALOGE("[ INFO ] could not open stream");
+ return ::ndk::ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(Result::INVALID_ARGUMENT));
+ }
+ ALOGI("[ INFO ] open_stream successful, open_fd=%d", open_fd);
+
+ size_t buf_size = 1;
+ int timeout_ms = 2000;
+ void* buf = malloc(sizeof(char) * buf_size);
+ if (buf == nullptr) ALOGI("malloc buf failed [TUNE]");
+ ALOGI("[ INFO ] [Tune] Allocated buffer of size %zu", buf_size);
+ mIptvFrontendTuneThread =
+ std::thread(&Frontend::readTuneByte, this, streamer, buf, buf_size, timeout_ms);
+ if (mIptvFrontendTuneThread.joinable()) mIptvFrontendTuneThread.join();
+ free(buf);
+ }
return ::ndk::ScopedAStatus::ok();
}
@@ -1002,6 +1064,18 @@
return mId;
}
+dtv_plugin* Frontend::getIptvPluginInterface() {
+ return mIptvPluginInterface;
+}
+
+string Frontend::getIptvTransportDescription() {
+ return mIptvTransportDescription;
+}
+
+dtv_streamer* Frontend::getIptvPluginStreamer() {
+ return mIptvPluginStreamer;
+}
+
bool Frontend::supportsSatellite() {
return mType == FrontendType::DVBS || mType == FrontendType::ISDBS ||
mType == FrontendType::ISDBS3;
diff --git a/tv/tuner/aidl/default/Frontend.h b/tv/tuner/aidl/default/Frontend.h
index 85bd636..17a1aee 100644
--- a/tv/tuner/aidl/default/Frontend.h
+++ b/tv/tuner/aidl/default/Frontend.h
@@ -21,6 +21,7 @@
#include <iostream>
#include <thread>
#include "Tuner.h"
+#include "dtv_plugin.h"
using namespace std;
@@ -60,6 +61,10 @@
FrontendType getFrontendType();
int32_t getFrontendId();
string getSourceFile();
+ dtv_plugin* getIptvPluginInterface();
+ string getIptvTransportDescription();
+ dtv_streamer* getIptvPluginStreamer();
+ void readTuneByte(dtv_streamer* streamer, void* buf, size_t size, int timeout_ms);
bool isLocked();
void getFrontendInfo(FrontendInfo* _aidl_return);
void setTunerService(std::shared_ptr<Tuner> tuner);
@@ -81,6 +86,10 @@
std::ifstream mFrontendData;
FrontendCapabilities mFrontendCaps;
vector<FrontendStatusType> mFrontendStatusCaps;
+ dtv_plugin* mIptvPluginInterface;
+ string mIptvTransportDescription;
+ dtv_streamer* mIptvPluginStreamer;
+ std::thread mIptvFrontendTuneThread;
};
} // namespace tuner
diff --git a/tv/tuner/aidl/default/Timer.h b/tv/tuner/aidl/default/Timer.h
new file mode 100644
index 0000000..c6327cb
--- /dev/null
+++ b/tv/tuner/aidl/default/Timer.h
@@ -0,0 +1,17 @@
+#include <chrono>
+using namespace std::chrono;
+class Timer {
+ public:
+ Timer() { start_time = steady_clock::now(); }
+
+ ~Timer() { stop_time = steady_clock::now(); }
+
+ double get_elapsed_time_ms() {
+ auto current_time = std::chrono::steady_clock::now();
+ return duration_cast<milliseconds>(current_time - start_time).count();
+ }
+
+ private:
+ time_point<steady_clock> start_time;
+ time_point<steady_clock> stop_time;
+};
\ No newline at end of file
diff --git a/tv/tuner/aidl/default/dtv_plugin.cpp b/tv/tuner/aidl/default/dtv_plugin.cpp
new file mode 100644
index 0000000..4e73ee5
--- /dev/null
+++ b/tv/tuner/aidl/default/dtv_plugin.cpp
@@ -0,0 +1,130 @@
+#include "dtv_plugin.h"
+#include <dlfcn.h>
+#include <libgen.h>
+#include <utils/Log.h>
+
+DtvPlugin::DtvPlugin(const char* plugin_path) {
+ path_ = plugin_path;
+ basename_ = basename(path_);
+ module_ = NULL;
+ interface_ = NULL;
+ loaded_ = false;
+}
+
+DtvPlugin::~DtvPlugin() {
+ if (module_ != NULL) {
+ if (dlclose(module_)) ALOGE("DtvPlugin: Failed to close plugin '%s'", basename_);
+ }
+}
+
+bool DtvPlugin::load() {
+ ALOGI("Loading plugin '%s' from path '%s'", basename_, path_);
+
+ module_ = dlopen(path_, RTLD_LAZY);
+ if (module_ == NULL) {
+ ALOGE("DtvPlugin::Load::Failed to load plugin '%s'", basename_);
+ ALOGE("dlopen error: %s", dlerror());
+ return false;
+ }
+
+ interface_ = (dtv_plugin*)dlsym(module_, "plugin_entry");
+
+ if (interface_ == NULL) {
+ ALOGE("plugin_entry is NULL.");
+ goto error;
+ }
+
+ if (!interface_->get_transport_types || !interface_->get_streamer_count ||
+ !interface_->validate || !interface_->create_streamer || !interface_->destroy_streamer ||
+ !interface_->open_stream || !interface_->close_stream || !interface_->read_stream) {
+ ALOGW("Plugin: missing one or more callbacks");
+ goto error;
+ }
+
+ loaded_ = true;
+
+ return true;
+
+error:
+ if (dlclose(module_)) ALOGE("Failed to close plugin '%s'", basename_);
+
+ return false;
+}
+
+int DtvPlugin::getStreamerCount() {
+ if (!loaded_) {
+ ALOGE("DtvPlugin::GetStreamerCount: Plugin '%s' not loaded!", basename_);
+ return 0;
+ }
+
+ return interface_->get_streamer_count();
+}
+
+bool DtvPlugin::isTransportTypeSupported(const char* transport_type) {
+ const char** transport;
+
+ if (!loaded_) {
+ ALOGE("Plugin '%s' not loaded!", basename_);
+ return false;
+ }
+
+ transport = interface_->get_transport_types();
+ if (transport == NULL) return false;
+
+ while (*transport) {
+ if (strcmp(transport_type, *transport) == 0) return true;
+ transport++;
+ }
+
+ return false;
+}
+
+bool DtvPlugin::validate(const char* transport_desc) {
+ if (!loaded_) {
+ ALOGE("Plugin '%s' is not loaded!", basename_);
+ return false;
+ }
+
+ return interface_->validate(transport_desc);
+}
+
+bool DtvPlugin::getProperty(const char* key, void* value, int* size) {
+ if (!loaded_) {
+ ALOGE("Plugin '%s' is not loaded!", basename_);
+ return false;
+ }
+
+ if (!interface_->get_property) return false;
+
+ *size = interface_->get_property(NULL, key, value, *size);
+
+ return *size < 0 ? false : true;
+}
+
+bool DtvPlugin::setProperty(const char* key, const void* value, int size) {
+ int ret;
+
+ if (!loaded_) {
+ ALOGE("Plugin '%s': not loaded!", basename_);
+ return false;
+ }
+
+ if (!interface_->set_property) return false;
+
+ ret = interface_->set_property(NULL, key, value, size);
+
+ return ret < 0 ? false : true;
+}
+
+struct dtv_plugin* DtvPlugin::interface() {
+ if (!loaded_) {
+ ALOGE("Plugin '%s' is not loaded!", basename_);
+ return NULL;
+ }
+
+ return interface_;
+}
+
+const char* DtvPlugin::pluginBasename() {
+ return basename_;
+}
diff --git a/tv/tuner/aidl/default/dtv_plugin.h b/tv/tuner/aidl/default/dtv_plugin.h
new file mode 100644
index 0000000..0ee5489
--- /dev/null
+++ b/tv/tuner/aidl/default/dtv_plugin.h
@@ -0,0 +1,31 @@
+#ifndef LIVE_DTV_PLUGIN_H_
+#define LIVE_DTV_PLUGIN_H_
+
+#include <fstream>
+#include "dtv_plugin_api.h"
+
+class DtvPlugin {
+ public:
+ DtvPlugin(const char* plugin_path);
+ ~DtvPlugin();
+
+ bool load();
+ int getStreamerCount();
+ bool validate(const char* transport_desc);
+ bool isTransportTypeSupported(const char* transport_type);
+ // /* plugin-wide properties */
+ bool getProperty(const char* key, void* value, int* size);
+ bool setProperty(const char* key, const void* value, int size);
+
+ struct dtv_plugin* interface();
+ const char* pluginBasename();
+
+ protected:
+ const char* path_;
+ char* basename_;
+ void* module_;
+ struct dtv_plugin* interface_;
+ bool loaded_;
+};
+
+#endif // LIVE_DTV_PLUGIN_H_
diff --git a/tv/tuner/aidl/default/dtv_plugin_api.h b/tv/tuner/aidl/default/dtv_plugin_api.h
new file mode 100644
index 0000000..8fe7c1d
--- /dev/null
+++ b/tv/tuner/aidl/default/dtv_plugin_api.h
@@ -0,0 +1,137 @@
+#ifndef LIVE_DTV_PLUGIN_API_H_
+#define LIVE_DTV_PLUGIN_API_H_
+
+#include <stdint.h>
+
+struct dtv_streamer;
+
+struct dtv_plugin {
+ uint32_t version;
+
+ /**
+ * get_transport_types() - Retrieve a list of supported transport types.
+ *
+ * Return: A NULL-terminated list of supported transport types.
+ */
+ const char** (*get_transport_types)(void);
+
+ /**
+ * get_streamer_count() - Get number of streamers that can be created.
+ *
+ * Return: The number of streamers that can be created.
+ */
+ int (*get_streamer_count)(void);
+
+ /**
+ * validate() - Check if transport description is valid.
+ * @transport_desc: NULL-terminated transport description in json format.
+ *
+ * Return: 1 if valid, 0 otherwise.
+ */
+ int (*validate)(const char* transport_desc);
+
+ /**
+ * create_streamer() - Create a streamer object.
+ *
+ * Return: A pointer to a new streamer object.
+ */
+ struct dtv_streamer* (*create_streamer)(void);
+
+ /**
+ * destroy_streamer() - Free a streamer object and all associated resources.
+ * @st: Pointer to a streamer object
+ */
+ void (*destroy_streamer)(struct dtv_streamer* streamer);
+
+ /**
+ * set_property() - Set a key/value pair property.
+ * @streamer: Pointer to a streamer object (may be NULL for plugin-wide properties).
+ * @key: NULL-terminated property name.
+ * @value: Property value.
+ * @size: Property value size.
+ *
+ * Return: 0 if success, -1 otherwise.
+ */
+ int (*set_property)(struct dtv_streamer* streamer, const char* key, const void* value,
+ size_t size);
+
+ /**
+ * get_property() - Get a property's value.
+ * @streamer: Pointer to a streamer (may be NULL for plugin-wide properties).
+ * @key: NULL-terminated property name.
+ * @value: Property value.
+ * @size: Property value size.
+ *
+ * Return: >= 0 if success, -1 otherwise.
+ *
+ * If size is 0, get_property will return the size needed to hold the value.
+ */
+ int (*get_property)(struct dtv_streamer* streamer, const char* key, void* value, size_t size);
+
+ /**
+ * add_pid() - Add a TS filter on a given pid.
+ * @streamer: The streamer that outputs the TS.
+ * @pid: The pid to add to the TS output.
+ *
+ * Return: 0 if success, -1 otherwise.
+ *
+ * This function is optional but can be useful if a hardware remux is
+ * available.
+ */
+ int (*add_pid)(struct dtv_streamer* streamer, int pid);
+
+ /**
+ * remove_pid() - Remove a TS filter on a given pid.
+ * @streamer: The streamer that outputs the TS.
+ * @pid: The pid to remove from the TS output.
+ *
+ * Return: 0 if success, -1 otherwise.
+ *
+ * This function is optional.
+ */
+ int (*remove_pid)(struct dtv_streamer* streamer, int pid);
+
+ /**
+ * open_stream() - Open a stream from a transport description.
+ * @streamer: The streamer which will handle the stream.
+ * @transport_desc: NULL-terminated transport description in json format.
+ *
+ * The streamer will allocate the resources and make the appropriate
+ * connections to handle this transport.
+ * This function returns a file descriptor that can be polled for events.
+ *
+ * Return: A file descriptor if success, -1 otherwise.
+ */
+ int (*open_stream)(struct dtv_streamer* streamer, const char* transport_desc);
+
+ /**
+ * close_stream() - Release an open stream.
+ * @streamer: The streamer from which the stream should be released.
+ */
+ void (*close_stream)(struct dtv_streamer* streamer);
+
+ /**
+ * read_stream() - Read stream data.
+ * @streamer: The streamer to read from.
+ * @buf: The destination buffer.
+ * @count: The number of bytes to read.
+ * @timeout_ms: Timeout in ms.
+ *
+ * Return: The number of bytes read, -1 if error.
+ */
+ ssize_t (*read_stream)(struct dtv_streamer* streamer, void* buf, size_t count, int timeout_ms);
+};
+
+struct dtv_plugin_event {
+ int id;
+ char data[0];
+};
+
+enum {
+ DTV_PLUGIN_EVENT_SIGNAL_LOST = 1,
+ DTV_PLUGIN_EVENT_SIGNAL_READY,
+};
+
+#define PROPERTY_STATISTICS "statistics"
+
+#endif // LIVE_DTV_PLUGIN_API_H_