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enhance max-br checking logic

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This commit is contained in:
Sijia Chen 2015-01-21 16:54:43 +08:00
parent 6664593ef7
commit d74234d975
1 changed files with 38 additions and 26 deletions
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64
codec/encoder/core/src/encoder_ext.cpp
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@ -76,34 +76,46 @@ int32_t WelsBitRateVerification (SLogContext* pLogCtx, SSpatialLayerConfig* pLay
pLayerParam->iSpatialBitrate);
return ENC_RETURN_UNSUPPORTED_PARA;
}
int32_t iLevelMaxBitrate = g_ksLevelLimits[pLayerParam->uiLevelIdc - 1].uiMaxBR * CpbBrNalFactor;
if (pLayerParam->iMaxSpatialBitrate == UNSPECIFIED_BIT_RATE) {
pLayerParam->iMaxSpatialBitrate = iLevelMaxBitrate;
WelsLog (pLogCtx, WELS_LOG_INFO, "Current MaxSpatialBitrate is zero,Get this value from level limitation(%d)",
pLayerParam->iMaxSpatialBitrate);
}
if (pLayerParam->iMaxSpatialBitrate > iLevelMaxBitrate) {
ELevelIdc iCurLevel = pLayerParam->uiLevelIdc;
if (WelsAdjustLevel (pLayerParam)) {
int32_t iLevel52MaxBitrate = g_ksLevelLimits[LEVEL_NUMBER - 1].uiMaxBR * CpbBrNalFactor;
WelsLog (pLogCtx, WELS_LOG_WARNING,
"MaxSpatialBitrate (%d) is larger that the limitation LEVEL_5_2, the setting will be invalid, and will use max-br (%d) of LEVEL_5_2",
pLayerParam->iMaxSpatialBitrate, iLevel52MaxBitrate);
pLayerParam->iMaxSpatialBitrate = iLevel52MaxBitrate;
// deal with LEVEL_MAX_BR and MAX_BR setting
const int32_t iLevelMaxBitrate = (pLayerParam->uiLevelIdc != LEVEL_UNKNOWN) ? (g_ksLevelLimits[pLayerParam->uiLevelIdc -
1].uiMaxBR * CpbBrNalFactor) : UNSPECIFIED_BIT_RATE;
const int32_t iLevel52MaxBitrate = g_ksLevelLimits[LEVEL_NUMBER - 1].uiMaxBR * CpbBrNalFactor;
if (UNSPECIFIED_BIT_RATE != iLevelMaxBitrate) {
if ((pLayerParam->iMaxSpatialBitrate == UNSPECIFIED_BIT_RATE)
|| (pLayerParam->iMaxSpatialBitrate > iLevel52MaxBitrate)) {
pLayerParam->iMaxSpatialBitrate = iLevelMaxBitrate;
WelsLog (pLogCtx, WELS_LOG_INFO,
"Current MaxSpatialBitrate is invalid (UNSPECIFIED_BIT_RATE or larger than LEVEL5_2) but level setting is valid, set iMaxSpatialBitrate to %d from level (%d)",
pLayerParam->iMaxSpatialBitrate, pLayerParam->uiLevelIdc);
} else if (pLayerParam->iMaxSpatialBitrate > iLevelMaxBitrate) {
ELevelIdc iCurLevel = pLayerParam->uiLevelIdc;
WelsAdjustLevel (pLayerParam);
WelsLog (pLogCtx, WELS_LOG_INFO,
"LevelIdc is changed from (%d) to (%d) according to the iMaxSpatialBitrate(%d)",
iCurLevel, pLayerParam->uiLevelIdc, pLayerParam->iMaxSpatialBitrate);
}
WelsLog (pLogCtx, WELS_LOG_INFO,
"Level is changed from (%d) to (%d) according to the maxbitrate",
iCurLevel, pLayerParam->uiLevelIdc);
} else if ((pLayerParam->iMaxSpatialBitrate != UNSPECIFIED_BIT_RATE)
&& (pLayerParam->iMaxSpatialBitrate > iLevel52MaxBitrate)) {
// no level limitation, just need to check if iMaxSpatialBitrate is too big from reasonable
WelsLog (pLogCtx, WELS_LOG_WARNING,
"No LevelIdc setting and iMaxSpatialBitrate (%d) is considered too big to be valid, changed to UNSPECIFIED_BIT_RATE",
pLayerParam->iMaxSpatialBitrate);
pLayerParam->iMaxSpatialBitrate = UNSPECIFIED_BIT_RATE;
}
if (pLayerParam->iMaxSpatialBitrate == pLayerParam->iSpatialBitrate) {
WelsLog (pLogCtx, WELS_LOG_INFO,
"Setting MaxSpatialBitrate (%d) the same at SpatialBitrate (%d) will make the actual bit rate lower than SpatialBitrate",
pLayerParam->iMaxSpatialBitrate, pLayerParam->iSpatialBitrate);
} else if (pLayerParam->iMaxSpatialBitrate < pLayerParam->iSpatialBitrate) {
WelsLog (pLogCtx, WELS_LOG_ERROR,
"MaxSpatialBitrate (%d) should be larger than SpatialBitrate (%d), considering it as error setting",
pLayerParam->iMaxSpatialBitrate, pLayerParam->iSpatialBitrate);
return ENC_RETURN_UNSUPPORTED_PARA;
// deal with iSpatialBitrate and iMaxSpatialBitrate setting
if (pLayerParam->iMaxSpatialBitrate != UNSPECIFIED_BIT_RATE) {
if (pLayerParam->iMaxSpatialBitrate == pLayerParam->iSpatialBitrate) {
WelsLog (pLogCtx, WELS_LOG_INFO,
"Setting MaxSpatialBitrate (%d) the same at SpatialBitrate (%d) will make the actual bit rate lower than SpatialBitrate",
pLayerParam->iMaxSpatialBitrate, pLayerParam->iSpatialBitrate);
} else if (pLayerParam->iMaxSpatialBitrate < pLayerParam->iSpatialBitrate) {
WelsLog (pLogCtx, WELS_LOG_ERROR,
"MaxSpatialBitrate (%d) should be larger than SpatialBitrate (%d), considering it as error setting",
pLayerParam->iMaxSpatialBitrate, pLayerParam->iSpatialBitrate);
return ENC_RETURN_UNSUPPORTED_PARA;
}
}
return ENC_RETURN_SUCCESS;
}