OMX_ERRORTYPE OMXVideoEncoderBase::SetParamVideoBitrate(OMX_PTR pStructure) {
OMX_ERRORTYPE ret;
OMX_VIDEO_PARAM_BITRATETYPE *p = (OMX_VIDEO_PARAM_BITRATETYPE *)pStructure;
CHECK_TYPE_HEADER(p);
CHECK_PORT_INDEX(p, OUTPORT_INDEX);
CHECK_SET_PARAM_STATE();
OMX_U32 index = p->nPortIndex;
PortVideo *port = NULL;
// This disables other type of bitrate control mechanism
// TODO: check if it is desired
// TODO: can we override mParamBitrate.nPortIndex (See SetPortBitrateParam)
mParamBitrate.eControlRate = p->eControlRate;
mParamBitrate.nTargetBitrate = p->nTargetBitrate;
port = static_cast<PortVideo *>(ports[index]);
ret = port->SetPortBitrateParam(p, false);
return OMX_ErrorNone;
}
OMX_ERRORTYPE OMXVideoEncoderBase::InitOutputPort(void) {
this->ports[OUTPORT_INDEX] = new PortVideo;
if (this->ports[OUTPORT_INDEX] == NULL) {
return OMX_ErrorInsufficientResources;
}
PortVideo *port = static_cast<PortVideo *>(this->ports[OUTPORT_INDEX]);
// OMX_VIDEO_PARAM_BITRATETYPE
memset(&mParamBitrate, 0, sizeof(mParamBitrate));
SetTypeHeader(&mParamBitrate, sizeof(mParamBitrate));
mParamBitrate.nPortIndex = OUTPORT_INDEX;
mParamBitrate.eControlRate = OMX_Video_ControlRateVariable;
mParamBitrate.nTargetBitrate = 192000; // to be overridden
// OMX_VIDEO_CONFIG_PRI_INFOTYPE
memset(&mConfigPriInfo, 0, sizeof(mConfigPriInfo));
SetTypeHeader(&mConfigPriInfo, sizeof(mConfigPriInfo));
mConfigPriInfo.nPortIndex = OUTPORT_INDEX;
mConfigPriInfo.nCapacity = 0;
mConfigPriInfo.nHolder = NULL;
// OMX_VIDEO_CONFIG_INTEL_BITRATETYPE
memset(&mConfigIntelBitrate, 0, sizeof(mConfigIntelBitrate));
SetTypeHeader(&mConfigIntelBitrate, sizeof(mConfigIntelBitrate));
mConfigIntelBitrate.nPortIndex = OUTPORT_INDEX;
mConfigIntelBitrate.nMaxEncodeBitrate = 0; // Maximum bitrate
mConfigIntelBitrate.nTargetPercentage = 95; // Target bitrate as percentage of maximum bitrate; e.g. 95 is 95%
mConfigIntelBitrate.nWindowSize = 0; // Window size in milliseconds allowed for bitrate to reach target
mConfigIntelBitrate.nInitialQP = 0; // Initial QP for I frames
mConfigIntelBitrate.nMinQP = 0;
mConfigIntelBitrate.nMaxQP = 0;
mConfigIntelBitrate.nFrameRate = 0;
mConfigIntelBitrate.nTemporalID = 0;
// OMX_VIDEO_CONFIG_BITRATETYPE
memset(&mConfigBitrate, 0, sizeof(mConfigBitrate));
SetTypeHeader(&mConfigBitrate, sizeof(mConfigBitrate));
mConfigBitrate.nPortIndex = OUTPORT_INDEX;
mConfigBitrate.nEncodeBitrate = 0; // Maximum bitrate
// OMX_VIDEO_CONFIG_INTEL_AIR
memset(&mConfigIntelAir, 0, sizeof(mConfigIntelAir));
SetTypeHeader(&mConfigIntelAir, sizeof(mConfigIntelAir));
mConfigIntelAir.nPortIndex = OUTPORT_INDEX;
mConfigIntelAir.bAirEnable = OMX_FALSE;
mConfigIntelAir.bAirAuto = OMX_FALSE;
mConfigIntelAir.nAirMBs = 0;
mConfigIntelAir.nAirThreshold = 0;
// OMX_VIDEO_CONFIG_INTEL_AIR
memset(&mParamVideoRefresh, 0, sizeof(mParamVideoRefresh));
SetTypeHeader(&mParamVideoRefresh, sizeof(mParamVideoRefresh));
mParamVideoRefresh.nPortIndex = OUTPORT_INDEX;
mParamVideoRefresh.eRefreshMode = OMX_VIDEO_IntraRefreshAdaptive;
mParamVideoRefresh.nAirMBs = 0;
mParamVideoRefresh.nAirRef = 0;
mParamVideoRefresh.nCirMBs = 0;
// OMX_CONFIG_FRAMERATETYPE
memset(&mConfigFramerate, 0, sizeof(mConfigFramerate));
SetTypeHeader(&mConfigFramerate, sizeof(mConfigFramerate));
mConfigFramerate.nPortIndex = OUTPORT_INDEX;
mConfigFramerate.xEncodeFramerate = 0; // Q16 format
// OMX_VIDEO_PARAM_INTEL_ADAPTIVE_SLICE_CONTROL
memset(&mParamIntelAdaptiveSliceControl, 0, sizeof(mParamIntelAdaptiveSliceControl));
SetTypeHeader(&mParamIntelAdaptiveSliceControl, sizeof(mParamIntelAdaptiveSliceControl));
mParamIntelAdaptiveSliceControl.nPortIndex = OUTPORT_INDEX;
mParamIntelAdaptiveSliceControl.bEnable = OMX_FALSE;
mParamIntelAdaptiveSliceControl.nMinPSliceNumber = 5;
mParamIntelAdaptiveSliceControl.nNumPFramesToSkip = 8;
mParamIntelAdaptiveSliceControl.nSliceSizeThreshold = 1200;
// OMX_VIDEO_PARAM_PROFILELEVELTYPE
memset(&mParamProfileLevel, 0, sizeof(mParamProfileLevel));
SetTypeHeader(&mParamProfileLevel, sizeof(mParamProfileLevel));
mParamProfileLevel.nPortIndex = OUTPORT_INDEX;
mParamProfileLevel.eProfile = 0; // undefined profile, to be overridden
mParamProfileLevel.eLevel = 0; // undefined level, to be overridden
// OMX_PARAM_PORTDEFINITIONTYPE
OMX_PARAM_PORTDEFINITIONTYPE paramPortDefinitionOutput;
memset(¶mPortDefinitionOutput, 0, sizeof(paramPortDefinitionOutput));
SetTypeHeader(¶mPortDefinitionOutput, sizeof(paramPortDefinitionOutput));
paramPortDefinitionOutput.nPortIndex = OUTPORT_INDEX;
paramPortDefinitionOutput.eDir = OMX_DirOutput;
paramPortDefinitionOutput.nBufferCountActual = OUTPORT_ACTUAL_BUFFER_COUNT; // to be overridden
paramPortDefinitionOutput.nBufferCountMin = OUTPORT_MIN_BUFFER_COUNT;
paramPortDefinitionOutput.nBufferSize = OUTPORT_BUFFER_SIZE; // to be overridden
paramPortDefinitionOutput.bEnabled = OMX_TRUE;
paramPortDefinitionOutput.bPopulated = OMX_FALSE;
paramPortDefinitionOutput.eDomain = OMX_PortDomainVideo;
paramPortDefinitionOutput.format.video.cMIMEType = NULL; // to be overridden
paramPortDefinitionOutput.format.video.pNativeRender = NULL;
paramPortDefinitionOutput.format.video.nFrameWidth = 176;
paramPortDefinitionOutput.format.video.nFrameHeight = 144;
paramPortDefinitionOutput.format.video.nStride = 176;
paramPortDefinitionOutput.format.video.nSliceHeight = 144;
paramPortDefinitionOutput.format.video.nBitrate = 64000;
paramPortDefinitionOutput.format.video.xFramerate = 15 << 16;
paramPortDefinitionOutput.format.video.bFlagErrorConcealment = OMX_FALSE;
paramPortDefinitionOutput.format.video.eCompressionFormat = OMX_VIDEO_CodingUnused; // to be overridden
paramPortDefinitionOutput.format.video.eColorFormat = OMX_COLOR_FormatUnused;
paramPortDefinitionOutput.format.video.pNativeWindow = NULL;
paramPortDefinitionOutput.bBuffersContiguous = OMX_FALSE;
paramPortDefinitionOutput.nBufferAlignment = 0;
InitOutputPortFormatSpecific(¶mPortDefinitionOutput);
port->SetPortDefinition(¶mPortDefinitionOutput, true);
port->SetPortBitrateParam(&mParamBitrate, true);
// OMX_VIDEO_PARAM_PORTFORMATTYPE
OMX_VIDEO_PARAM_PORTFORMATTYPE paramPortFormat;
memset(¶mPortFormat, 0, sizeof(paramPortFormat));
SetTypeHeader(¶mPortFormat, sizeof(paramPortFormat));
paramPortFormat.nPortIndex = OUTPORT_INDEX;
paramPortFormat.nIndex = 0;
paramPortFormat.eCompressionFormat = paramPortDefinitionOutput.format.video.eCompressionFormat;
paramPortFormat.eColorFormat = paramPortDefinitionOutput.format.video.eColorFormat;
paramPortFormat.xFramerate = paramPortDefinitionOutput.format.video.xFramerate;
port->SetPortVideoParam(¶mPortFormat, true);
return OMX_ErrorNone;
}