/*
* ======== 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);
}
DvevmStRetCode
dvtb_wmaEnc1Encode(DvevmStWmaEnc1Info *ae, int *encDuration)
{
XDAS_Int32 status = -1;
ITTIAM_WMAENC_InArgs enc1InArgs;
ITTIAM_WMAENC_OutArgs enc1OutArgs;
DvevmStTime timeStmpBfrEnc, timeStmpAftrEnc;
DvevmStRetCode retCode = DVEVM_ST_SUCCESS;
ASSERT(ae != NULL);
ASSERT(ae->ceHdl != NULL);
ASSERT(ae->aenc1Hdl != NULL);
enc1OutArgs.audenc_outArgs.size = sizeof(ITTIAM_WMAENC_OutArgs);
enc1InArgs.audenc_inArgs.size = sizeof(ITTIAM_WMAENC_InArgs);
enc1InArgs.audenc_inArgs.numInSamples = ae->insamples;
if (ae->aenc1Params.audenc_params.ancFlag)
{
enc1InArgs.audenc_inArgs.ancData.bufSize = ae->ancBuf.size;
enc1InArgs.audenc_inArgs.ancData.buf = (XDAS_Int8 *) ae->ancBuf.start;
}
else
{
enc1InArgs.audenc_inArgs.ancData.bufSize = 0;
enc1InArgs.audenc_inArgs.ancData.buf = NULL;
}
dvtb_wmaProcessDebug(ae);
timeStmpBfrEnc = dvtb_getTime( );
status = AUDENC1_process((AUDENC1_Handle) ae->aenc1Hdl, &ae->inBuf, &ae->outBuf, (IAUDENC1_InArgs *) &enc1InArgs, (IAUDENC1_OutArgs *) &enc1OutArgs);
timeStmpAftrEnc = dvtb_getTime( );
*encDuration = ((timeStmpAftrEnc.tv_sec * NUM_MICROSECS_IN_SEC) + timeStmpAftrEnc.tv_usec) - ((timeStmpBfrEnc.tv_sec * NUM_MICROSECS_IN_SEC) + timeStmpBfrEnc.tv_usec);
ae->Framenum++;
SYS_DEBUG("\tCurr frame number : %d\n", ae->Framenum);
ae->outsamples = enc1OutArgs.audenc_outArgs.bytesGenerated;
if (status != IAUDENC1_EOK)
{
SYS_ERROR("Error (%d) in Audio Encoder Process\n", (int) status);
SYS_ERROR("Codec Error => %d\n", (int) enc1OutArgs.audenc_outArgs.extendedError);
SYS_ERROR("End of execution => %d\n", (int) enc1OutArgs.i_exec_done);
SYS_ERROR("i_num_samples_in_packet => %d\n", (int) enc1OutArgs.i_num_samples_in_packet);
retCode = DVEVM_ST_FAIL;
}
if (DVEVM_ST_FAIL != retCode)
{
ae->aenc1Cmd = XDM_GETSTATUS;
if (DVEVM_ST_FAIL == dvtb_wmaEnc1Control(ae))
{
SYS_ERROR("Unable to get status info\n");
}
SYS_DEBUG("\tBytes Generated after STATUSCALL=> %d\n", (int) enc1OutArgs.audenc_outArgs.bytesGenerated);
SYS_DEBUG("\tEnd of execution => %d\n", (int) enc1OutArgs.i_exec_done);
ae->consumedSamples = enc1OutArgs.audenc_outArgs.numInSamples;
}
return retCode;
}
/*
* ======== call ========
*/
static VISA_Status call(VISA_Handle visaHandle, VISA_Msg visaMsg)
{
_AUDENC1_Msg *msg = (_AUDENC1_Msg *)visaMsg;
AUDENC1_Handle handle = (AUDENC1_Handle)visaHandle;
Int i;
XDM1_BufDesc inBufs, outBufs;
IAUDENC1_OutArgs *pOutArgs;
IAUDENC1_Status *pStatus;
Int numBufs;
/* perform the requested AUDENC1 operation by parsing message. */
switch (msg->visa.cmd) {
case _AUDENC1_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 buffers in inArgs */
if (msg->cmd.process.inArgs.ancData.buf != NULL) {
Memory_cacheInv(msg->cmd.process.inArgs.ancData.buf,
msg->cmd.process.inArgs.ancData.bufSize);
}
/* 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 = (IAUDENC1_OutArgs *)((UInt)(&(msg->cmd.process.inArgs)) +
msg->cmd.process.inArgs.size);
/* make the process call */
msg->visa.status = AUDENC1_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 _AUDENC1_CCONTROL: {
/* unmarshall status based on the "size" of params */
pStatus = (IAUDENC1_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 = AUDENC1_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);
}
