MediaRecorderPrivate.cpp [plain text]
#include "config.h"
#include "MediaRecorderPrivate.h"
#if ENABLE(MEDIA_STREAM)
#include "MediaStreamPrivate.h"
namespace WebCore {
constexpr unsigned LargeAudioBitRate = 192000;
constexpr unsigned LargeVideoBitRate = 10000000;
MediaRecorderPrivate::AudioVideoSelectedTracks MediaRecorderPrivate::selectTracks(MediaStreamPrivate& stream)
{
AudioVideoSelectedTracks selectedTracks;
stream.forEachTrack([&](auto& track) {
if (track.ended())
return;
switch (track.type()) {
case RealtimeMediaSource::Type::Video: {
auto& settings = track.settings();
if (!selectedTracks.videoTrack && settings.supportsWidth() && settings.supportsHeight())
selectedTracks.videoTrack = &track;
break;
}
case RealtimeMediaSource::Type::Audio:
if (!selectedTracks.audioTrack)
selectedTracks.audioTrack = &track;
break;
case RealtimeMediaSource::Type::None:
break;
}
});
return selectedTracks;
}
void MediaRecorderPrivate::checkTrackState(const MediaStreamTrackPrivate& track)
{
if (&track.source() == m_audioSource.get()) {
m_shouldMuteAudio = track.muted() || !track.enabled();
return;
}
if (&track.source() == m_videoSource.get())
m_shouldMuteVideo = track.muted() || !track.enabled();
}
void MediaRecorderPrivate::stop()
{
setAudioSource(nullptr);
setVideoSource(nullptr);
stopRecording();
}
void MediaRecorderPrivate::pause(CompletionHandler<void()>&& completionHandler)
{
ASSERT(!m_pausedAudioSource);
ASSERT(!m_pausedVideoSource);
m_pausedAudioSource = m_audioSource;
m_pausedVideoSource = m_videoSource;
setAudioSource(nullptr);
setVideoSource(nullptr);
pauseRecording(WTFMove(completionHandler));
}
void MediaRecorderPrivate::resume(CompletionHandler<void()>&& completionHandler)
{
ASSERT(m_pausedAudioSource || m_pausedVideoSource);
setAudioSource(WTFMove(m_pausedAudioSource));
setVideoSource(WTFMove(m_pausedVideoSource));
resumeRecording(WTFMove(completionHandler));
}
void MediaRecorderPrivate::updateOptions(MediaRecorderPrivateOptions& options)
{
if (!options.audioBitsPerSecond)
options.audioBitsPerSecond = LargeAudioBitRate;
if (!options.videoBitsPerSecond)
options.videoBitsPerSecond = LargeVideoBitRate;
}
}
#endif // ENABLE(MEDIA_STREAM)