MediaRecorder::MediaRecorder(ExecutionContext* context, MediaStream* stream, const MediaRecorderOptions& options, ExceptionState& exceptionState)
: ActiveDOMObject(context)
, m_stream(stream)
, m_streamAmountOfTracks(stream->getTracks().size())
, m_mimeType(options.mimeType())
, m_stopped(true)
, m_ignoreMutedMedia(true)
, m_state(State::Inactive)
, m_dispatchScheduledEventRunner(AsyncMethodRunner<MediaRecorder>::create(this, &MediaRecorder::dispatchScheduledEvent))
{
ASSERT(m_stream->getTracks().size());
m_recorderHandler = adoptPtr(Platform::current()->createMediaRecorderHandler());
ASSERT(m_recorderHandler);
// We deviate from the spec by not returning |UnsupportedOption|, see https://github.com/w3c/mediacapture-record/issues/18
if (!m_recorderHandler) {
exceptionState.throwDOMException(NotSupportedError, "No MediaRecorder handler can be created.");
return;
}
ContentType contentType(m_mimeType);
if (!m_recorderHandler->initialize(this, stream->descriptor(), contentType.type(), contentType.parameter("codecs"))) {
exceptionState.throwDOMException(NotSupportedError, "Failed to initialize native MediaRecorder, the type provided " + m_mimeType + "is unsupported." );
return;
}
m_stopped = false;
}
MediaRecorder::MediaRecorder(ExecutionContext* context, MediaStream* stream, const MediaRecorderOptions& options, ExceptionState& exceptionState)
: ActiveDOMObject(context)
, m_stream(stream)
, m_streamAmountOfTracks(stream->getTracks().size())
, m_mimeType(options.mimeType())
, m_stopped(true)
, m_ignoreMutedMedia(true)
, m_state(State::Inactive)
, m_dispatchScheduledEventRunner(AsyncMethodRunner<MediaRecorder>::create(this, &MediaRecorder::dispatchScheduledEvent))
{
ASSERT(m_stream->getTracks().size());
m_recorderHandler = adoptPtr(Platform::current()->createMediaRecorderHandler());
ASSERT(m_recorderHandler);
if (!m_recorderHandler) {
exceptionState.throwDOMException(NotSupportedError, "No MediaRecorder handler can be created.");
return;
}
int32_t audioBitsPerSecond = 0;
int32_t videoBitsPerSecond = 0;
AllocateVideoAndAudioBitrates(exceptionState, context, options, stream, &audioBitsPerSecond, &videoBitsPerSecond);
const ContentType contentType(m_mimeType);
if (!m_recorderHandler->initialize(this, stream->descriptor(), contentType.type(), contentType.parameter("codecs"), audioBitsPerSecond, videoBitsPerSecond)) {
exceptionState.throwDOMException(NotSupportedError, "Failed to initialize native MediaRecorder the type provided (" + m_mimeType + ") is not supported.");
return;
}
m_stopped = false;
}
