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| |
| #include "mmreventmediaplayercontrol.h" |
| #include "mmreventthread.h" |
| #include "mmrenderervideowindowcontrol.h" |
| |
| #include <mm/renderer.h> |
| #include <tuple> |
| |
| QT_BEGIN_NAMESPACE |
| |
| static std::tuple<int, int, bool> parseBufferLevel(const QByteArray &value) |
| { |
| const int slashPos = value.indexOf('/'); |
| if (slashPos <= 0) |
| return std::make_tuple(0, 0, false); |
| |
| bool ok = false; |
| const int level = value.left(slashPos).toInt(&ok); |
| if (!ok || level < 0) |
| return std::make_tuple(0, 0, false); |
| |
| const int capacity = value.mid(slashPos + 1).toInt(&ok); |
| if (!ok || capacity < 0) |
| return std::make_tuple(0, 0, false); |
| |
| return std::make_tuple(level, capacity, true); |
| } |
| |
| MmrEventMediaPlayerControl::MmrEventMediaPlayerControl(QObject *parent) |
| : MmRendererMediaPlayerControl(parent) |
| , m_eventThread(nullptr) |
| , m_bufferStatus("") |
| , m_bufferLevel(0) |
| , m_bufferCapacity(0) |
| , m_position(0) |
| , m_suspended(false) |
| , m_suspendedReason("unknown") |
| , m_state(MMR_STATE_IDLE) |
| , m_speed(0) |
| { |
| openConnection(); |
| } |
| |
| MmrEventMediaPlayerControl::~MmrEventMediaPlayerControl() |
| { |
| destroy(); |
| } |
| |
| void MmrEventMediaPlayerControl::startMonitoring() |
| { |
| m_eventThread = new MmrEventThread(m_context); |
| |
| connect(m_eventThread, &MmrEventThread::eventPending, |
| this, &MmrEventMediaPlayerControl::readEvents); |
| |
| m_eventThread->setObjectName(QStringLiteral("MmrEventThread-") + QString::number(m_id)); |
| m_eventThread->start(); |
| } |
| |
| void MmrEventMediaPlayerControl::stopMonitoring() |
| { |
| delete m_eventThread; |
| m_eventThread = nullptr; |
| } |
| |
| void MmrEventMediaPlayerControl::resetMonitoring() |
| { |
| m_bufferStatus = ""; |
| m_bufferLevel = 0; |
| m_bufferCapacity = 0; |
| m_position = 0; |
| m_suspended = false; |
| m_suspendedReason = "unknown"; |
| m_state = MMR_STATE_IDLE; |
| m_speed = 0; |
| } |
| |
| bool MmrEventMediaPlayerControl::nativeEventFilter(const QByteArray &eventType, |
| void *message, |
| long *result) |
| { |
| Q_UNUSED(result) |
| if (eventType == "screen_event_t") { |
| screen_event_t event = static_cast<screen_event_t>(message); |
| if (MmRendererVideoWindowControl *control = videoWindowControl()) |
| control->screenEventHandler(event); |
| } |
| |
| return false; |
| } |
| |
| void MmrEventMediaPlayerControl::readEvents() |
| { |
| const mmr_event_t *event; |
| |
| while ((event = mmr_event_get(m_context))) { |
| if (event->type == MMR_EVENT_NONE) |
| break; |
| |
| switch (event->type) { |
| case MMR_EVENT_STATUS: { |
| if (event->data) { |
| const strm_string_t *value; |
| value = strm_dict_find_rstr(event->data, "bufferstatus"); |
| if (value) { |
| m_bufferStatus = QByteArray(strm_string_get(value)); |
| if (!m_suspended) |
| setMmBufferStatus(m_bufferStatus); |
| } |
| |
| value = strm_dict_find_rstr(event->data, "bufferlevel"); |
| if (value) { |
| const char *cstrValue = strm_string_get(value); |
| int level; |
| int capacity; |
| bool ok; |
| std::tie(level, capacity, ok) = parseBufferLevel(QByteArray(cstrValue)); |
| if (!ok) { |
| qCritical("Could not parse buffer capacity from '%s'", cstrValue); |
| } else { |
| m_bufferLevel = level; |
| m_bufferCapacity = capacity; |
| setMmBufferLevel(level, capacity); |
| } |
| } |
| |
| value = strm_dict_find_rstr(event->data, "suspended"); |
| if (value) { |
| if (!m_suspended) { |
| m_suspended = true; |
| m_suspendedReason = strm_string_get(value); |
| handleMmSuspend(m_suspendedReason); |
| } |
| } else if (m_suspended) { |
| m_suspended = false; |
| handleMmSuspendRemoval(m_bufferStatus); |
| } |
| } |
| |
| if (event->pos_str) { |
| const QByteArray valueBa = QByteArray(event->pos_str); |
| bool ok; |
| m_position = valueBa.toLongLong(&ok); |
| if (!ok) { |
| qCritical("Could not parse position from '%s'", valueBa.constData()); |
| } else { |
| setMmPosition(m_position); |
| } |
| } |
| break; |
| } |
| case MMR_EVENT_STATE: { |
| if (event->state == MMR_STATE_PLAYING && m_speed != event->speed) { |
| m_speed = event->speed; |
| if (m_speed == 0) |
| handleMmPause(); |
| else |
| handleMmPlay(); |
| } |
| break; |
| } |
| case MMR_EVENT_METADATA: { |
| updateMetaData(event->data); |
| break; |
| } |
| case MMR_EVENT_ERROR: |
| case MMR_EVENT_NONE: |
| case MMR_EVENT_OVERFLOW: |
| case MMR_EVENT_WARNING: |
| case MMR_EVENT_PLAYLIST: |
| case MMR_EVENT_INPUT: |
| case MMR_EVENT_OUTPUT: |
| case MMR_EVENT_CTXTPAR: |
| case MMR_EVENT_TRKPAR: |
| case MMR_EVENT_OTHER: { |
| break; |
| } |
| } |
| |
| // Currently, any exit from the playing state is considered a stop (end-of-media). |
| // If you ever need to separate end-of-media from things like "stopped unexpectedly" |
| // or "stopped because of an error", you'll find that end-of-media is signaled by an |
| // MMR_EVENT_ERROR of MMR_ERROR_NONE with state changed to MMR_STATE_STOPPED. |
| if (event->state != m_state && m_state == MMR_STATE_PLAYING) |
| handleMmStopped(); |
| m_state = event->state; |
| } |
| |
| if (m_eventThread) |
| m_eventThread->signalRead(); |
| } |
| |
| QT_END_NAMESPACE |