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obs-qsv11: Adjust Subjective Video Enhancements

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Disable MBBRC (macro block level bitrate control) because it can reduce
objective quality metrics like VMAF.

Use AdaptiveCQM for CBR and VBR.
This commit is contained in:
Gale
2023-08-09 18:12:47 -04:00
committed by Ryan Foster
parent 99c456b777
commit 6dada921c9
3 changed files with 2 additions and 5 deletions
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plugins/obs-qsv11/QSV_Encoder.h
-1
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@@ -130,7 +130,6 @@ typedef struct {
mfxU32 MinDisplayMasteringLuminance;
mfxU16 MaxContentLightLevel;
mfxU16 MaxPicAverageLightLevel;
bool bMBBRC;
bool bCQM;
bool video_fmt_10bit;
} qsv_param_t;
plugins/obs-qsv11/QSV_Encoder_Internal.cpp
+1 -2
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@@ -335,8 +335,6 @@ mfxStatus QSV_Encoder_Internal::InitParams(qsv_param_t *pParams,
if (pParams->nRateControl == MFX_RATECONTROL_LA_ICQ ||
pParams->nRateControl == MFX_RATECONTROL_LA)
m_co2.LookAheadDepth = pParams->nLADEPTH;
if (pParams->bMBBRC)
m_co2.MBBRC = MFX_CODINGOPTION_ON;
if (pParams->nbFrames > 1)
m_co2.BRefType = MFX_B_REF_PYRAMID;
if (m_mfxEncParams.mfx.LowPower == MFX_CODINGOPTION_ON) {
@@ -356,6 +354,7 @@ mfxStatus QSV_Encoder_Internal::InitParams(qsv_param_t *pParams,
m_co3.Header.BufferId = MFX_EXTBUFF_CODING_OPTION3;
m_co3.Header.BufferSz = sizeof(m_co3);
m_co3.ScenarioInfo = MFX_SCENARIO_GAME_STREAMING;
m_co3.AdaptiveCQM = MFX_CODINGOPTION_ON;
extendedBuffers.push_back((mfxExtBuffer *)&m_co3);
}
plugins/obs-qsv11/obs-qsv11.c
+1 -2
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@@ -187,7 +187,7 @@ static void obs_qsv_defaults(obs_data_t *settings, int ver,
obs_data_set_default_int(settings, "keyint_sec", 3);
obs_data_set_default_string(settings, "latency", "normal");
obs_data_set_default_int(settings, "bframes", 3);
obs_data_set_default_bool(settings, "enhancements", false);
obs_data_set_default_bool(settings, "enhancements", true);
}
static void obs_qsv_defaults_h264_v1(obs_data_t *settings)
@@ -717,7 +717,6 @@ static void update_params(struct obs_qsv *obsqsv, obs_data_t *settings)
obsqsv->params.nbFrames = (mfxU16)bFrames;
obsqsv->params.nKeyIntSec = (mfxU16)keyint_sec;
obsqsv->params.nICQQuality = (mfxU16)icq_quality;
obsqsv->params.bMBBRC = enhancements;
obsqsv->params.bCQM = enhancements;
info("settings:\n"