250     const HANDLE_FDK_METADATA_ENCODER hMetaData,
388   HANDLE_FDK_METADATA_ENCODER hMetaData = NULL;  in FDK_MetadataEnc_Open()  local
396   if (NULL == (hMetaData = (HANDLE_FDK_METADATA_ENCODER)FDKcalloc(  in FDK_MetadataEnc_Open()
401   FDKmemclear(hMetaData, sizeof(FDK_METADATA_ENCODER));  in FDK_MetadataEnc_Open()
403   if (NULL == (hMetaData->pAudioDelayBuffer = (INT_PCM*)FDKcalloc(  in FDK_MetadataEnc_Open()
408   FDKmemclear(hMetaData->pAudioDelayBuffer,  in FDK_MetadataEnc_Open()
410   hMetaData->maxChannels = maxChannels;  in FDK_MetadataEnc_Open()
413   if (FDK_DRC_Generator_Open(&hMetaData->hDrcComp) != 0) {  in FDK_MetadataEnc_Open()
417   hMetaData->channelMode = MODE_UNKNOWN;  in FDK_MetadataEnc_Open()
420   *phMetaData = hMetaData;  in FDK_MetadataEnc_Open()
425   FDK_MetadataEnc_Close(&hMetaData);  in FDK_MetadataEnc_Open()
449     HANDLE_FDK_METADATA_ENCODER hMetaData, const INT resetStates,  in FDK_MetadataEnc_Init()  argument
456   if (hMetaData == NULL) {  in FDK_MetadataEnc_Init()
466   if ((nChannels > (8)) || (nChannels > hMetaData->maxChannels) ||  in FDK_MetadataEnc_Init()
473   FDKmemcpy(&hMetaData->submittedMetaData, &defaultMetaDataSetup,  in FDK_MetadataEnc_Init()
476   hMetaData->finalizeMetaData =  in FDK_MetadataEnc_Init()
478   hMetaData->initializeMetaData =  in FDK_MetadataEnc_Init()
482   if (resetStates || (hMetaData->nAudioDataDelay != -delay) ||  in FDK_MetadataEnc_Init()
483       (hMetaData->channelMode != channelMode)) {  in FDK_MetadataEnc_Init()
484     if (resetStates || (hMetaData->channelMode == MODE_UNKNOWN)) {  in FDK_MetadataEnc_Init()
486       FDKmemclear(hMetaData->pAudioDelayBuffer,  in FDK_MetadataEnc_Init()
487                   hMetaData->maxChannels * MAX_DRC_FRAMELEN * sizeof(INT_PCM));  in FDK_MetadataEnc_Init()
504                                                 hMetaData->channelMode);  in FDK_MetadataEnc_Init()
513           if (hMetaData->nChannels >= 2) {  in FDK_MetadataEnc_Init()
516                 &mapDescrPrev, ((hMetaData->channelMode == 2) ? 0 : 1),  in FDK_MetadataEnc_Init()
517                 hMetaData->channelMode);  in FDK_MetadataEnc_Init()
519                 &mapDescrPrev, ((hMetaData->channelMode == 2) ? 1 : 2),  in FDK_MetadataEnc_Init()
520                 hMetaData->channelMode);  in FDK_MetadataEnc_Init()
532       i = (hMetaData->nChannels > (INT)nChannels)  in FDK_MetadataEnc_Init()
534               : hMetaData->nAudioDataDelay - 1;  in FDK_MetadataEnc_Init()
539                 hMetaData->pAudioDelayBuffer[i * hMetaData->nChannels + src[c]];  in FDK_MetadataEnc_Init()
542         FDKmemcpy(&hMetaData->pAudioDelayBuffer[i * nChannels],  in FDK_MetadataEnc_Init()
544         i += (hMetaData->nChannels > (INT)nChannels) ? 1 : -1;  in FDK_MetadataEnc_Init()
545       } while ((i < hMetaData->nAudioDataDelay) && (i >= 0));  in FDK_MetadataEnc_Init()
549     FDKmemclear(hMetaData->metaDataBuffer, sizeof(hMetaData->metaDataBuffer));  in FDK_MetadataEnc_Init()
550     hMetaData->metaDataDelayIdx = 0;  in FDK_MetadataEnc_Init()
551     hMetaData->initializeMetaData =  in FDK_MetadataEnc_Init()
555     if ((hMetaData->metadataMode == 0) && (metadataMode != 0)) {  in FDK_MetadataEnc_Init()
558            i < (int)(sizeof(hMetaData->metaDataBuffer) / sizeof(AAC_METADATA));  in FDK_MetadataEnc_Init()
560         LoadSubmittedMetadata(&hMetaData->submittedMetaData, nChannels, 0,  in FDK_MetadataEnc_Init()
561                               &hMetaData->metaDataBuffer[i]);  in FDK_MetadataEnc_Init()
566     if ((hMetaData->metadataMode != 0) && (metadataMode == 0)) {  in FDK_MetadataEnc_Init()
567       hMetaData->finalizeMetaData = hMetaData->metadataMode;  in FDK_MetadataEnc_Init()
572   hMetaData->nAudioDataDelay = -delay;  in FDK_MetadataEnc_Init()
573   hMetaData->nMetaDataDelay = nFrames;  in FDK_MetadataEnc_Init()
574   hMetaData->nChannels = nChannels;  in FDK_MetadataEnc_Init()
575   hMetaData->channelMode = channelMode;  in FDK_MetadataEnc_Init()
576   hMetaData->metadataMode = metadataMode;  in FDK_MetadataEnc_Init()
580     if (FDK_DRC_Generator_Initialize(hMetaData->hDrcComp, DRC_NONE, DRC_NONE,  in FDK_MetadataEnc_Init()
811     const HANDLE_FDK_METADATA_ENCODER hMetaData,  in WriteMetadataPayload()  argument
815   if ((hMetaData == NULL) || (pMetadata == NULL)) {  in WriteMetadataPayload()
820   hMetaData->nExtensions = 0;  in WriteMetadataPayload()
821   hMetaData->matrix_mixdown_idx = -1;  in WriteMetadataPayload()
826       hMetaData->exPayload[hMetaData->nExtensions].pData =  in WriteMetadataPayload()
827           hMetaData->drcInfoPayload;  in WriteMetadataPayload()
828       hMetaData->exPayload[hMetaData->nExtensions].dataType = EXT_DYNAMIC_RANGE;  in WriteMetadataPayload()
829       hMetaData->exPayload[hMetaData->nExtensions].associatedChElement = -1;  in WriteMetadataPayload()
831       hMetaData->exPayload[hMetaData->nExtensions].dataSize =  in WriteMetadataPayload()
833               pMetadata, hMetaData->exPayload[hMetaData->nExtensions].pData);  in WriteMetadataPayload()
835       hMetaData->nExtensions++;  in WriteMetadataPayload()
840       hMetaData->matrix_mixdown_idx =  in WriteMetadataPayload()
848       hMetaData->exPayload[hMetaData->nExtensions].pData =  in WriteMetadataPayload()
849           hMetaData->drcDsePayload;  in WriteMetadataPayload()
850       hMetaData->exPayload[hMetaData->nExtensions].dataType = EXT_DATA_ELEMENT;  in WriteMetadataPayload()
851       hMetaData->exPayload[hMetaData->nExtensions].associatedChElement = -1;  in WriteMetadataPayload()
853       hMetaData->exPayload[hMetaData->nExtensions].dataSize =  in WriteMetadataPayload()
855               pMetadata, hMetaData->exPayload[hMetaData->nExtensions].pData);  in WriteMetadataPayload()
857       hMetaData->nExtensions++;  in WriteMetadataPayload()