float BoundingBox::MaxDimension()
{
float fltMax = -1;
fltMax = STD_MAX(fabs(Min.x), fabs(Min.y));
fltMax = STD_MAX((double) fltMax, fabs(Min.z));
fltMax = STD_MAX((double) fltMax, fabs(Max.x));
fltMax = STD_MAX((double) fltMax, fabs(Max.y));
fltMax = STD_MAX((double) fltMax, fabs(Max.z));
return fltMax;
}
//YUV convert to RGB
void YCbCrT_to_RGBA(int Y, int Cb, int Cr, int T,
uint8_t *R, uint8_t *G, uint8_t *B, uint8_t *A) {
int r, g, b;
int Ey, Epb, Epr;
Ey = (Y - 16);
Epb = (Cb - 128);
Epr = (Cr - 128);
/* ITU-R 709 */
r = STD_MAX(STD_MIN(((298 * Ey + 460 * Epr) / 256), 255), 0);
g = STD_MAX(STD_MIN(((298 * Ey - 55 * Epb - 137 * Epr) / 256), 255), 0);
b = STD_MAX(STD_MIN(((298 * Ey + 543 * Epb ) / 256), 255), 0);
*R = (uint8_t)r;
*G = (uint8_t)g;
*B = (uint8_t)b;
*A = T;
}
/** @brief PLAYLIST_READY state handler.
*
* @param[in] pDownloadHelper - Reference to
* PlaylistDownloadHelper
* @return
* HTTPDL_WAITING - Data successfully written or no data available to write
* and download incomplete
* HTTPDL_SUCCESS - Download complete
* HTTPDL_ERROR_ABORT - Otherwise
*/
HTTPDownloadStatus PlaylistDownloadHelper::PlaylistReadyStateHandler::Execute
(
PlaylistDownloadHelper* pDownloadHelper
)
{
QTV_MSG_PRIO( QTVDIAG_HTTP_STREAMING, QTVDIAG_PRIO_LOW,
"PlaylistDownloadHelper::PlaylistReadyStateHandler::Execute()" );
HTTPDownloadStatus status = HTTPCommon::HTTPDL_ERROR_ABORT;
PlaylistDownloadHelper* pSelf = pDownloadHelper;
//Validity check
if (pSelf)
{
char* pRepresentationBuf = pSelf->m_RepresentationBuffer;
int numBytesToRead = STD_MAX(0, pSelf->m_nRepresentationLen - pSelf->m_nRepresentationBytesRead);
HTTPStackInterface& HTTPStack = *(pSelf->m_pHTTPStack);
QTV_MSG_PRIO2( QTVDIAG_HTTP_STREAMING, QTVDIAG_PRIO_MEDIUM,
"numBytesToRead %d, (numBytesReceived %d)",
numBytesToRead, pSelf->m_nRepresentationBytesRead );
if (pSelf->m_RepresentationBuffer && numBytesToRead > 0)
{
status = HTTPCommon::HTTPDL_ERROR_ABORT;
//Get a data chunk from HTTP stack
size_t numBytesRead = 0;
HTTPReturnCode result =
HTTPStack.GetData(pSelf->m_nRequestID,
pRepresentationBuf+pSelf->m_nRepresentationBytesRead,
numBytesToRead,
&numBytesRead);
if (result != HTTP_FAILURE && result != HTTP_BADPARAM)
{
//Update total number of bytes dowloaded/written so far
pSelf->m_nRepresentationBytesRead += (int)numBytesRead;
status = HTTPCommon::HTTPDL_WAITING;
if(result == HTTP_NOMOREDATA ||
pSelf->m_nRepresentationBytesRead >= (pSelf->m_nRepresentationLen -1))
{
pSelf->m_nRepresentationLen = pSelf->m_nRepresentationBytesRead;
status = HTTPCommon::HTTPDL_SUCCESS;
}
QTV_MSG_PRIO1( QTVDIAG_HTTP_STREAMING, QTVDIAG_PRIO_HIGH,
"Total numBytesReceived %d", pSelf->m_nRepresentationBytesRead );
}// result check
else
{
//Data read failure
QTV_MSG_PRIO1( QTVDIAG_HTTP_STREAMING, QTVDIAG_PRIO_ERROR,
"Error: Data read failure %d from HTTP stack", result );
}
}// if (HTTPSUCCEEDED(status))
}// if (pSelf && pSelf->GetState() == DATA_READY)
return status;
}
