DvevmStRetCode dvtb_audDec1Decode(DvevmStAudDec1Info *ad, int *decDuration) { XDAS_Int32 status = -1; XDM1_BufDesc inBufDesc, outBufDesc; IAUDDEC1_InArgs decInArgs; IAUDDEC1_OutArgs decOutArgs; DvevmStTime timeStmpBfrDec, timeStmpAftrDec; DvevmStRetCode retCode = DVEVM_ST_SUCCESS; ASSERT(ad != NULL); ASSERT(ad->ceHdl != NULL); ASSERT(ad->adecHdl != NULL); ad->inBuf.numBufs = 1; ad->outBuf.numBufs = 1; inBufDesc.numBufs = 1; inBufDesc.descs[0].bufSize = ad->inBuf.bufSizes[0]; inBufDesc.descs[0].buf = (XDAS_Int8 *)ad->inBuf.bufs[0]; outBufDesc.numBufs = 1; outBufDesc.descs[0].bufSize = ad->outBuf.bufSizes[0]; outBufDesc.descs[0].buf = (XDAS_Int8 *) ad->outBuf.bufs[0]; decInArgs.size = sizeof(decInArgs); decInArgs.numBytes = ad->inFrameSize; decInArgs.desiredChannelMode = ad->desiredChannelMode; decInArgs.lfeFlag = ad->lfeFlag; decOutArgs.size = sizeof(decOutArgs); timeStmpBfrDec = dvtb_getTime( ); status = AUDDEC1_process(ad->adecHdl, &inBufDesc, &outBufDesc, &decInArgs, &decOutArgs); timeStmpAftrDec = dvtb_getTime( ); *decDuration = ((timeStmpAftrDec.tv_sec * NUM_MICROSECS_IN_SEC) + timeStmpAftrDec.tv_usec) - ((timeStmpBfrDec.tv_sec * NUM_MICROSECS_IN_SEC) + timeStmpBfrDec.tv_usec); if (status != AUDDEC1_EOK) { if (XDM_ISFATALERROR(decOutArgs.extendedError)) { SYS_ERROR("Audio Decode Process failed with a fatal error (%d)\n", (int) status); SYS_ERROR("Codec Error => %d\n", (int) decOutArgs.extendedError); retCode = DVEVM_ST_FAIL; } else if ((1 << XDM_INSUFFICIENTDATA) & decOutArgs.extendedError) { SYS_ERROR("Audio Decode Process failed with ERROR: INSUFFICIENTDATA \n"); SYS_DEBUG("Number of bytes remained: %d \n", (int) ad->inFrameSize - (int) decOutArgs.bytesConsumed); retCode = DVEVM_ST_FAIL; } else { SYS_ERROR("Audio Decode Process failed (%d) \n", (int) status); SYS_ERROR(" Non Fatal Codec Error => %d. continue decoding \n", (int) decOutArgs.extendedError); } } if(DVEVM_ST_FAIL != retCode) { dvtb_audDec1ProcessDebug(&decOutArgs); ad->decFrameSize = decOutArgs.bytesConsumed; } return retCode; }
/* * ======== encode_decode ======== */ static Void encode_decode(AUDENC1_Handle enc, AUDDEC1_Handle dec, FILE *in, FILE *out) { Int n; Int32 status; AUDDEC1_InArgs decInArgs; AUDDEC1_OutArgs decOutArgs; AUDDEC1_DynamicParams decDynParams; AUDDEC1_Status decStatus; AUDENC1_InArgs encInArgs; AUDENC1_OutArgs encOutArgs; AUDENC1_DynamicParams encDynParams; AUDENC1_Status encStatus; XDM1_BufDesc inBufDesc; XDM1_BufDesc encodedBufDesc; XDM1_BufDesc outBufDesc; /* initialize the buffer descriptors */ inBufDesc.numBufs = encodedBufDesc.numBufs = outBufDesc.numBufs = 1; inBufDesc.descs[0].bufSize = encodedBufDesc.descs[0].bufSize = outBufDesc.descs[0].bufSize = NSAMPLES; inBufDesc.descs[0].buf = inBuf; encodedBufDesc.descs[0].buf = encodedBuf; outBufDesc.descs[0].buf = outBuf; /* initialize all "sized" fields */ encInArgs.size = sizeof(encInArgs); decInArgs.size = sizeof(decInArgs); encOutArgs.size = sizeof(encOutArgs); decOutArgs.size = sizeof(decOutArgs); encDynParams.size = sizeof(encDynParams); decDynParams.size = sizeof(decDynParams); encStatus.size = sizeof(encStatus); decStatus.size = sizeof(decStatus); /* ancillary data to encode */ #if USE_ANCDATA encInArgs.ancData.buf = ancBuf; encInArgs.ancData.bufSize = ENCANCBUFSIZE; #else /* Be sure to initialize these to NULL! */ encInArgs.ancData.buf = NULL; encInArgs.ancData.bufSize = 0; #endif /* * Note that we use versionBuf in both the encoder and decoder. In this * application, this is okay, as there is always only one user of * the buffer. Not all applications can make this assumption. */ encStatus.data.buf = decStatus.data.buf = versionBuf; encStatus.data.bufSize = decStatus.data.bufSize = MAXVERSIONSIZE; /* if the codecs support it, dump their versions */ status = AUDDEC1_control(dec, XDM_GETVERSION, &decDynParams, &decStatus); GT_1trace(curMask, GT_1CLASS, "Decoder version: %s\n", (status == AUDDEC1_EOK ? ((char *)decStatus.data.buf) : "[unknown]")); status = AUDENC1_control(enc, XDM_GETVERSION, &encDynParams, &encStatus); GT_1trace(curMask, GT_1CLASS, "Encoder version: %s\n", (status == AUDENC1_EOK ? ((char *)encStatus.data.buf) : "[unknown]")); /* * This app expects the encoder to accept 1 buf in and get 1 buf out, * and the buf sizes of the in and out buffer must be able to handle * NSAMPLES bytes of data. */ status = AUDENC1_control(enc, XDM_GETBUFINFO, &encDynParams, &encStatus); if (status != AUDENC1_EOK) { /* failure, report error and exit */ GT_1trace(curMask, GT_7CLASS, "encode control status = %ld\n", status); return; } /* Validate this encoder codec will meet our buffer requirements */ if ((inBufDesc.numBufs < encStatus.bufInfo.minNumInBufs) || (IFRAMESIZE < encStatus.bufInfo.minInBufSize[0]) || (encodedBufDesc.numBufs < encStatus.bufInfo.minNumOutBufs) || (EFRAMESIZE < encStatus.bufInfo.minOutBufSize[0])) { /* failure, report error and exit */ GT_0trace(curMask, GT_7CLASS, "Error: encoder codec feature conflict\n"); return; } status = AUDDEC1_control(dec, XDM_GETBUFINFO, &decDynParams, &decStatus); if (status != AUDDEC1_EOK) { /* failure, report error and exit */ GT_1trace(curMask, GT_7CLASS, "decode control status = %ld\n", status); return; } /* Validate this decoder codec will meet our buffer requirements */ if ((encodedBufDesc.numBufs < decStatus.bufInfo.minNumInBufs) || (EFRAMESIZE < decStatus.bufInfo.minInBufSize[0]) || (outBufDesc.numBufs < decStatus.bufInfo.minNumOutBufs) || (OFRAMESIZE < decStatus.bufInfo.minOutBufSize[0])) { /* failure, report error and exit */ GT_0trace(curMask, GT_7CLASS, "App-> ERROR: decoder does not meet buffer requirements.\n"); return; } /* * Read complete frames from in, encode, decode, and write to out. */ for (n = 0; fread(inBuf, IFRAMESIZE, 1, in) == 1; n++) { #if USE_ANCDATA /* we send the same data as inBuf as ancillory data */ memcpy(ancBuf, inBuf, ENCANCBUFSIZE); #endif /* Deal with cache issues, if necessary */ #ifdef CACHE_ENABLED #ifdef xdc_target__isaCompatible_64P /* * fread() on this processor is implemented using CCS's stdio, which * is known to write into the cache, not physical memory. To meet * xDAIS DMA Rule 7, we must writeback the cache into physical * memory. Also, per DMA Rule 7, we must invalidate the buffer's * cache before providing it to any xDAIS algorithm. */ Memory_cacheWbInv(inBuf, IFRAMESIZE); #else #error Unvalidated config - add appropriate fread-related cache maintenance #endif #if USE_ANCDATA /* ancBuf is an inBuf, filled via memcpy (i.e. CPU writes) */ Memory_cacheWbInv(ancBuf, ENCANCBUFSIZE); #endif /* Per DMA Rule 7, our output buffer cache lines must be cleaned */ Memory_cacheInv(encodedBuf, EFRAMESIZE); #endif GT_1trace(curMask, GT_1CLASS, "App-> Processing frame %d...\n", n); /* * Encode the frame. Note that .numInSamples is the number of * _samples_ not bytes. IFRAMESIZE is in 8-bit bytes, so there's a * little math here to get .numInSamples right. */ encInArgs.numInSamples = (IFRAMESIZE / (ENCBITSPERSAMPLE / (8 /* bits per byte */))); status = AUDENC1_process(enc, &inBufDesc, &encodedBufDesc, &encInArgs, &encOutArgs); GT_2trace(curMask, GT_2CLASS, "App-> Encoder frame %d process returned - 0x%x)\n", n, status); #ifdef CACHE_ENABLED /* Writeback this outBuf from the previous call. Also, as encodedBuf * is an inBuf to the next process call, we must invalidate it also, to * clean buffer lines. */ Memory_cacheWbInv(encodedBuf, EFRAMESIZE); /* Per DMA Rule 7, our output buffer cache lines must be cleaned */ Memory_cacheInv(outBuf, OFRAMESIZE); #endif if (status != AUDENC1_EOK) { GT_3trace(curMask, GT_7CLASS, "App-> Encoder frame %d processing FAILED, status = 0x%x, " "extendedError = 0x%x\n", n, status, encOutArgs.extendedError); break; } /* decode the frame */ decInArgs.numBytes = EFRAMESIZE; status = AUDDEC1_process(dec, &encodedBufDesc, &outBufDesc, &decInArgs, &decOutArgs); GT_2trace(curMask, GT_2CLASS, "App-> Decoder frame %d process returned - 0x%x)\n", n, status); if (status != AUDDEC1_EOK) { GT_3trace(curMask, GT_7CLASS, "App-> Decoder frame %d processing FAILED, status = 0x%x, " "extendedError = 0x%x\n", n, status, decOutArgs.extendedError); break; } #ifdef CACHE_ENABLED /* Writeback the outBuf. */ Memory_cacheWb(outBuf, OFRAMESIZE); #endif /* write to file */ fwrite(outBuf, OFRAMESIZE, 1, out); } GT_1trace(curMask, GT_1CLASS, "%d frames encoded/decoded\n", n); }
/* * ======== call ======== */ static VISA_Status call(VISA_Handle visaHandle, VISA_Msg visaMsg) { _AUDDEC1_Msg *msg = (_AUDDEC1_Msg *)visaMsg; AUDDEC1_Handle handle = (AUDDEC1_Handle)visaHandle; Int i; XDM1_BufDesc inBufs, outBufs; IAUDDEC1_OutArgs *pOutArgs; IAUDDEC1_Status *pStatus; Int numBufs; /* perform the requested AUDDEC1 operation by parsing message. */ switch (msg->visa.cmd) { case _AUDDEC1_CPROCESS: { /* unmarshal inBufs and outBufs */ inBufs = msg->cmd.process.inBufs; outBufs = msg->cmd.process.outBufs; if (SKEL_cachingPolicy == SKEL_LOCALBUFFERINVWB) { /* invalidate cache for all input buffers */ for (i = 0, numBufs = 0; i < XDM_MAX_IO_BUFFERS; i++) { if (inBufs.descs[i].buf != NULL) { /* valid member of sparse array, manage it */ Memory_cacheInv(inBufs.descs[i].buf, inBufs.descs[i].bufSize); if (++numBufs == inBufs.numBufs) { break; } } } /* invalidate cache for all output buffers */ for (i = 0, numBufs = 0; i < XDM_MAX_IO_BUFFERS; i++) { if (outBufs.descs[i].buf != NULL) { /* valid member of sparse array, manage it */ Memory_cacheInv(outBufs.descs[i].buf, outBufs.descs[i].bufSize); if (++numBufs == outBufs.numBufs) { break; } } } } /* unmarshall outArgs based on the "size" of inArgs */ pOutArgs = (IAUDDEC1_OutArgs *)((UInt)(&(msg->cmd.process.inArgs)) + msg->cmd.process.inArgs.size); /* make the process call */ msg->visa.status = AUDDEC1_process(handle, &inBufs, &outBufs, &(msg->cmd.process.inArgs), pOutArgs); if (SKEL_cachingPolicy == SKEL_WBINVALL) { Memory_cacheWbInvAll(); } else if (SKEL_cachingPolicy == SKEL_LOCALBUFFERINVWB) { /* writeback cache for all output buffers */ for (i = 0, numBufs = 0; i < XDM_MAX_IO_BUFFERS; i++) { if ((outBufs.descs[i].buf != NULL) && XDM_ISACCESSMODE_WRITE(outBufs.descs[i].accessMask)) { /* valid member of sparse array, written to via CPU */ Memory_cacheWb(outBufs.descs[i].buf, outBufs.descs[i].bufSize); /* * Since we've cacheWb this buffer, we arguably should * reflect this cache state and clear the WRITE bit in * the .accessMask field. However, we know the stub * doesn't propogate this field to the calling app, so * this extra buffer management detail isn't necessary: * * XDM_CLEARACCESSMODE_WRITE(outBufs.descs[i].accessMask); */ if (++numBufs == outBufs.numBufs) { break; } } } } /* * Note that any changes to individual outBufs[i] values made by * the codec will automatically update msg->cmd.process.outBufs * as we pass the outBufs array by reference. */ break; } case _AUDDEC1_CCONTROL: { /* unmarshall status based on the "size" of params */ pStatus = (IAUDDEC1_Status *)((UInt)(&(msg->cmd.control.params)) + msg->cmd.control.params.size); /* invalidate data buffer */ if (pStatus->data.buf != NULL) { Memory_cacheInv(pStatus->data.buf, pStatus->data.bufSize); } msg->visa.status = AUDDEC1_control(handle, msg->cmd.control.id, &(msg->cmd.control.params), pStatus); /* writeback data buffer */ if ((pStatus->data.buf != NULL) && XDM_ISACCESSMODE_WRITE(pStatus->data.accessMask)) { Memory_cacheWb(pStatus->data.buf, pStatus->data.bufSize); /* * Since we've cacheWb this buffer, we arguably should * reflect this cache state and clear the WRITE bit in * the .accessMask field. However, we know the stub * doesn't propogate this field to the calling app, so * this extra buffer management detail isn't necessary: * * XDM_CLEARACCESSMODE_WRITE(pStatus->data.accessMask); */ } break; } default: { msg->visa.status = VISA_EFAIL; break; } } return (VISA_EOK); }