void CSteeringManager::Seek(XMFLOAT3 target, float slowDist)
{
XMVECTOR steering = XMLoadFloat3(&m_vSteering);
XMVECTOR force = XMLoadFloat3(&DoSeek(target, slowDist));
steering += force;
XMStoreFloat3(&m_vSteering, steering);
}
bool Stream::Seek(Signal &sig, long offset, SeekMode seekMode)
{
size_t offsetPrev = _offsetCur;
if (seekMode == SeekSet) {
_offsetCur = static_cast<size_t>(offset);
} else if (seekMode == SeekCur) {
_offsetCur = _offsetCur + offset;
} else if (seekMode == SeekEnd) {
_offsetCur = DoGetSize();
if (offset < 0 && _offsetCur < static_cast<size_t>(-offset)) {
sig.SetError(ERR_IOError, "seek error");
return false;
}
} else {
// this must not happen because illegal value has to be rejected before.
return false;
}
if (_peek.buff == nullptr) return DoSeek(sig, offset, offsetPrev, seekMode);
if (_offsetCur < offsetPrev) {
size_t bytesPeeked = _peek.bytes;
if (_peek.offsetRead >= offsetPrev - _offsetCur) {
_peek.offsetRead -= (offsetPrev - _offsetCur);
return true;
}
delete[] _peek.buff;
_peek.buff = nullptr;
_peek.bytes = 0;
_peek.offsetRead = 0;
if (seekMode == SeekSet) return DoSeek(sig, offset, offsetPrev, SeekSet);
offset -= static_cast<long>(bytesPeeked);
return DoSeek(sig, offset, offsetPrev, SeekCur);
} else {
if (_peek.offsetRead + _offsetCur - offsetPrev <= _peek.bytes) {
_peek.offsetRead += _offsetCur - offsetPrev;
return true;
}
size_t bytesTrail = _peek.bytes - _peek.offsetRead;
delete[] _peek.buff;
_peek.buff = nullptr;
_peek.bytes = 0;
_peek.offsetRead = 0;
if (seekMode == SeekSet) return DoSeek(sig, offset, offsetPrev, SeekSet);
offset -= static_cast<long>(bytesTrail);
return DoSeek(sig, offset, offsetPrev, SeekCur);
}
}
nsRefPtr<MediaDecoder::SeekPromise> AudioOffloadPlayer::Seek(SeekTarget aTarget)
{
MOZ_ASSERT(NS_IsMainThread());
android::Mutex::Autolock autoLock(mLock);
mSeekPromise.RejectIfExists(true, __func__);
mSeekTarget = aTarget;
nsRefPtr<MediaDecoder::SeekPromise> p = mSeekPromise.Ensure(__func__);
DoSeek();
return p;
}
status_t AudioOffloadPlayer::Play()
{
MOZ_ASSERT(NS_IsMainThread());
if (mResetTimer) {
mResetTimer->Cancel();
mResetTimer = nullptr;
WakeLockRelease();
}
status_t err = OK;
if (!mStarted) {
// Last pause timed out and offloaded audio sink was reset. Start it again
err = Start(false);
if (err != OK) {
return err;
}
// Seek to last play position only when there was no seek during last pause
android::Mutex::Autolock autoLock(mLock);
if (!mSeekTarget.IsValid()) {
mSeekTarget = SeekTarget(mPositionTimeMediaUs,
SeekTarget::Accurate,
MediaDecoderEventVisibility::Suppressed);
DoSeek();
}
}
if (!mPlaying) {
CHECK(mAudioSink.get());
err = mAudioSink->Start();
if (err == OK) {
mPlaying = true;
}
}
return err;
}
