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authorRodeo <[email protected]>2013-09-24 23:33:05 +0000
committerRodeo <[email protected]>2013-09-24 23:33:05 +0000
commit12cceb5288f4f8179c5d18b3e97ba6eb01a01ffe (patch)
tree8c1cec63295911ce1f5076cf03efb2c5b957e891 /libhb/enc_qsv.c
parent0f25cd001eb497e139caf78000ca00bfd569fa5b (diff)
QSV: improve ExtBRC workaround.
It doesn't play well with CQP either. git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5811 b64f7644-9d1e-0410-96f1-a4d463321fa5
Diffstat (limited to 'libhb/enc_qsv.c')
-rw-r--r--libhb/enc_qsv.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/libhb/enc_qsv.c b/libhb/enc_qsv.c
index 44798e1d8..3b599e084 100644
--- a/libhb/enc_qsv.c
+++ b/libhb/enc_qsv.c
@@ -589,6 +589,8 @@ int encqsvInit(hb_work_object_t *w, hb_job_t *job)
pv->param.videoParam->mfx.QPI = HB_QSV_CLIP3(0, 51, job->vquality + pv->param.rc.cqp_offsets[0]);
pv->param.videoParam->mfx.QPP = HB_QSV_CLIP3(0, 51, job->vquality + pv->param.rc.cqp_offsets[1]);
pv->param.videoParam->mfx.QPB = HB_QSV_CLIP3(0, 51, job->vquality + pv->param.rc.cqp_offsets[2]);
+ // CQP + ExtBRC can cause bad output
+ pv->param.codingOption2.ExtBRC = MFX_CODINGOPTION_OFF;
}
else if (job->vbitrate > 0)
{
@@ -619,13 +621,8 @@ int encqsvInit(hb_work_object_t *w, hb_job_t *job)
{
hb_log("encqsvInit: MFX_RATECONTROL_LA, ignoring VBV");
}
- /*
- * When LA is used, ExtBRC and MBBRC are ignored. However, some
- * graphics drivers ignore them too late and change other settings
- * (such as AsyncDepth) based on their values. So disable them here.
- */
+ // ignored, but some drivers will change AsyncDepth because of it
pv->param.codingOption2.ExtBRC = MFX_CODINGOPTION_OFF;
- pv->param.codingOption2.MBBRC = MFX_CODINGOPTION_OFF;
}
else
{
@@ -970,9 +967,10 @@ int encqsvInit(hb_work_object_t *w, hb_job_t *job)
}
hb_log("encqsvInit: CAVLC %s",
hb_qsv_codingoption_get_name(option1->CAVLC));
- if (videoParam.mfx.RateControlMethod != MFX_RATECONTROL_LA)
+ if (videoParam.mfx.RateControlMethod != MFX_RATECONTROL_LA &&
+ videoParam.mfx.RateControlMethod != MFX_RATECONTROL_CQP)
{
- // LA and ExtBRC/MBBRC are mutually exclusive
+ // LA/CQP and ExtBRC/MBBRC are mutually exclusive
if (hb_qsv_info->capabilities & HB_QSV_CAP_OPTION2_EXTBRC)
{
hb_log("encqsvInit: ExtBRC %s",