void VaapiEncoderH264::resetParams ()
{
m_levelIdc = level();
DEBUG("resetParams, ensureCodedBufferSize");
ensureCodedBufferSize();
if (ipPeriod() == 0)
m_videoParamCommon.intraPeriod = 1;
else
m_numBFrames = ipPeriod() - 1;
assert(intraPeriod() > ipPeriod());
m_keyPeriod = intraPeriod() * (m_videoParamAVC.idrInterval + 1);
if (m_keyPeriod > MAX_IDR_PERIOD)
m_keyPeriod = MAX_IDR_PERIOD;
if (minQP() > initQP() ||
(rateControlMode()== RATE_CONTROL_CQP && minQP() < initQP()))
minQP() = initQP();
if (m_numBFrames > (intraPeriod() + 1) / 2)
m_numBFrames = (intraPeriod() + 1) / 2;
/* init m_maxFrameNum, max_poc */
m_log2MaxFrameNum =
h264_get_log2_max_frame_num (m_keyPeriod);
assert (m_log2MaxFrameNum >= 4);
m_maxFrameNum = (1 << m_log2MaxFrameNum);
m_log2MaxPicOrderCnt = m_log2MaxFrameNum + 1;
m_maxPicOrderCnt = (1 << m_log2MaxPicOrderCnt);
m_maxRefList1Count = m_numBFrames > 0;//m_maxRefList1Count <=1, because of currenent order mechanism
m_maxRefList0Count = numRefFrames();
if (m_maxRefList0Count >= m_maxOutputBuffer -1)
m_maxRefList0Count = m_maxOutputBuffer -1;
m_maxRefFrames =
m_maxRefList0Count + m_maxRefList1Count;
assert(m_maxRefFrames <= m_maxOutputBuffer);
INFO("m_maxRefFrames: %d", m_maxRefFrames);
resetGopStart();
}
/* Generates additional control parameters */
bool VaapiEncoderBase::ensureMiscParams (VaapiEncPicture* picture)
{
VAEncMiscParameterHRD* hrd;
if (!picture->newMisc(VAEncMiscParameterTypeHRD, hrd))
return false;
fill(hrd);
VideoRateControl mode = rateControlMode();
if (mode == RATE_CONTROL_CBR ||
mode == RATE_CONTROL_VBR) {
VAEncMiscParameterRateControl* rateControl;
if (!picture->newMisc(VAEncMiscParameterTypeRateControl, rateControl))
return false;
fill(rateControl);
}
return true;
}
void VaapiEncoderH264::resetParams ()
{
m_levelIdc = level();
DEBUG("resetParams, ensureCodedBufferSize");
ensureCodedBufferSize();
if (ipPeriod() == 0)
m_videoParamCommon.intraPeriod = 1;
else
m_numBFrames = ipPeriod() - 1;
assert(intraPeriod() > ipPeriod());
if (keyFramePeriod() < intraPeriod())
keyFramePeriod() = intraPeriod();
if (keyFramePeriod() > MAX_IDR_PERIOD)
keyFramePeriod() = MAX_IDR_PERIOD;
if (minQP() > initQP() ||
(rateControlMode()== RATE_CONTROL_CQP && minQP() < initQP()))
minQP() = initQP();
if (m_numBFrames > (intraPeriod() + 1) / 2)
m_numBFrames = (intraPeriod() + 1) / 2;
/* init m_maxFrameNum, max_poc */
m_log2MaxFrameNum =
h264_get_log2_max_frame_num (keyFramePeriod());
assert (m_log2MaxFrameNum >= 4);
m_maxFrameNum = (1 << m_log2MaxFrameNum);
m_log2MaxPicOrderCnt = m_log2MaxFrameNum + 1;
m_maxPicOrderCnt = (1 << m_log2MaxPicOrderCnt);
m_maxRefList0Count = 1;
m_maxRefList1Count = m_numBFrames > 0;
m_maxRefFrames =
m_maxRefList0Count + m_maxRefList1Count;
INFO("m_maxRefFrames: %d", m_maxRefFrames);
resetGopStart();
}