void MediaSource::setReadyState(const String& state)
{
ASSERT(state == openKeyword() || state == closedKeyword() || state == endedKeyword());
if (m_readyState == state)
return;
String oldState = m_readyState;
m_readyState = state;
if (m_readyState == closedKeyword()) {
m_sourceBuffers->clear();
m_activeSourceBuffers->clear();
m_player = 0;
scheduleEvent(eventNames().webkitsourcecloseEvent);
return;
}
if (oldState == openKeyword() && m_readyState == endedKeyword()) {
scheduleEvent(eventNames().webkitsourceendedEvent);
return;
}
if (m_readyState == openKeyword()) {
scheduleEvent(eventNames().webkitsourceopenEvent);
return;
}
}
MediaSourceBase::MediaSourceBase(ScriptExecutionContext* context)
: ActiveDOMObject(context)
, m_readyState(closedKeyword())
, m_asyncEventQueue(*this)
, m_attached(false)
{
}
void MediaSource::stop()
{
m_asyncEventQueue.close();
if (!isClosed())
setReadyState(closedKeyword());
m_private = nullptr;
}
void MediaSourceBase::stop()
{
m_asyncEventQueue->close();
if (!isClosed())
setReadyState(closedKeyword());
m_private.clear();
}
MediaSourceBase::MediaSourceBase(ScriptExecutionContext* context)
: ActiveDOMObject(context)
, m_readyState(closedKeyword())
, m_asyncEventQueue(GenericEventQueue::create(this))
, m_attachedElement(0)
{
}
MediaSource::MediaSource(ScriptExecutionContext* context)
: ActiveDOMObject(context)
, m_readyState(closedKeyword())
, m_asyncEventQueue(*this)
, m_sourceBuffers(SourceBufferList::create(scriptExecutionContext(), m_asyncEventQueue))
, m_activeSourceBuffers(SourceBufferList::create(scriptExecutionContext(), m_asyncEventQueue))
{
}
MediaSource::MediaSource(ScriptExecutionContext* context)
: ActiveDOMObject(context)
, m_readyState(closedKeyword())
, m_asyncEventQueue(GenericEventQueue::create(this))
{
m_sourceBuffers = SourceBufferList::create(scriptExecutionContext(), m_asyncEventQueue.get());
m_activeSourceBuffers = SourceBufferList::create(scriptExecutionContext(), m_asyncEventQueue.get());
}
PassRefPtr<TimeRanges> MediaSource::buffered(const String& id, ExceptionCode& ec) const
{
if (!m_player || m_readyState == closedKeyword()) {
ec = INVALID_STATE_ERR;
return 0;
}
return m_player->sourceBuffered(id);
}
MediaSource::MediaSource(ScriptExecutionContext& context)
: ActiveDOMObject(&context)
, m_mediaElement(0)
, m_readyState(closedKeyword())
, m_asyncEventQueue(*this)
{
LOG(Media, "MediaSource::MediaSource %p", this);
m_sourceBuffers = SourceBufferList::create(scriptExecutionContext());
m_activeSourceBuffers = SourceBufferList::create(scriptExecutionContext());
}
void MediaSource::setReadyState(const AtomicString& state)
{
ASSERT(state == openKeyword() || state == closedKeyword() || state == endedKeyword());
AtomicString oldState = readyState();
LOG(Media, "MediaSource::setReadyState() %p : %s -> %s", this, oldState.string().ascii().data(), state.string().ascii().data());
if (state == closedKeyword()) {
m_private.clear();
m_mediaElement = 0;
}
if (oldState == state)
return;
m_readyState = state;
onReadyStateChange(oldState, state);
}
void MediaSource::setReadyState(const AtomicString& state)
{
ASSERT(state == openKeyword() || state == closedKeyword() || state == endedKeyword());
AtomicString oldState = readyState();
LOG(MediaSource, "MediaSource::setReadyState(%p) : %s -> %s", this, oldState.string().ascii().data(), state.string().ascii().data());
if (state == closedKeyword()) {
m_private = nullptr;
m_mediaElement = nullptr;
m_duration = MediaTime::invalidTime();
}
if (oldState == state)
return;
m_readyState = state;
onReadyStateChange(oldState, state);
}
MediaSource::MediaSource(ScriptExecutionContext& context)
: ActiveDOMObject(&context)
, m_mediaElement(nullptr)
, m_duration(MediaTime::invalidTime())
, m_pendingSeekTime(MediaTime::invalidTime())
, m_readyState(closedKeyword())
, m_asyncEventQueue(*this)
{
LOG(MediaSource, "MediaSource::MediaSource %p", this);
m_sourceBuffers = SourceBufferList::create(scriptExecutionContext());
m_activeSourceBuffers = SourceBufferList::create(scriptExecutionContext());
}
bool MediaSource::setTimestampOffset(const String& id, double offset, ExceptionCode& ec)
{
if (!m_player || m_readyState == closedKeyword()) {
ec = INVALID_STATE_ERR;
return false;
}
if (!m_player->sourceSetTimestampOffset(id, offset)) {
ec = INVALID_STATE_ERR;
return false;
}
return true;
}
void MediaSource::append(const String& id, PassRefPtr<Uint8Array> data, ExceptionCode& ec)
{
if (!data.get()) {
ec = INVALID_ACCESS_ERR;
return;
}
if (!m_player || m_readyState == closedKeyword()) {
ec = INVALID_STATE_ERR;
return;
}
if (m_readyState == endedKeyword())
setReadyState(openKeyword());
if (!m_player->sourceAppend(id, data->data(), data->length())) {
ec = SYNTAX_ERR;
return;
}
}
void MediaSource::close()
{
setReadyState(closedKeyword());
}
bool MediaSource::isClosed() const
{
return readyState() == closedKeyword();
}
double MediaSource::duration() const
{
return m_readyState == closedKeyword() ? std::numeric_limits<float>::quiet_NaN() : m_player->duration();
}