int
fmEnablePorts (int errorLevel) {
if (portsEnabledCount) return 1;
if (enablePorts(errorLevel, ALP_REGISTER, 1)) {
if (enablePorts(errorLevel, ALP_DATA, 1)) {
portsEnabledCount++;
return 1;
}
disablePorts(ALP_REGISTER, 1);
}
return 0;
}
static int vbinit() {
if (enablePorts(LOG_ERR, LPTPORT, 3)) {
if (enablePorts(LOG_ERR, 0X80, 1)) {
makeOutputTable(dotsTable_ISO11548_1);
{
unsigned char alldots[40];
memset(alldots, 0XFF, 40);
vbdisplay(alldots);
}
return 0;
}
disablePorts(LPTPORT, 3);
}
logMessage(LOG_ERR, "Error: must be superuser");
return -1;
}
OMX_ERRORTYPE EnableDataFlow::configure(const ImageInfo &aThumbnailInfo,
const ImageInfo &aPreviewInfo)
{
DBGT_PROLOG("");
OMX_ERRORTYPE err = OMX_ErrorNone;
/* check whether mArmIvProc and mSwJpegEnc are in executing state or not,
* if not, send them to executing first.
* This being the case when without doing setParameters(), startPreview()
* is called. As thumbnailhandler is setup for disableDataFlow, when a
* setParameters() is done with some valid thumbnail size, enableDataFlow's
* sendComponentToExecuting() is not called leading to a deadlock.
*/
OMX_STATETYPE armIvProcState, swJpegEncState;
OMX_GetState(mArmIvProc, &armIvProcState);
OMX_GetState(mSwJpegEnc, &swJpegEncState);
if(OMX_StateExecuting != armIvProcState || OMX_StateExecuting != swJpegEncState){
err = sendComponentToExecuting();
if(OMX_ErrorNone != err) {
DBGT_CRITICAL("sendComponentToExecuting failed err = %d", err);
DBGT_EPILOG("");
return err;
}
}
err = configPorts(aThumbnailInfo, aPreviewInfo);
if(OMX_ErrorNone != err) {
DBGT_CRITICAL("configPorts() failed err = %d", err);
DBGT_EPILOG("");
return err;
}
err = enablePorts();
if(OMX_ErrorNone != err) {
DBGT_CRITICAL("enablePorts failed err = %d", err);
DBGT_EPILOG("");
return err;
}
DBGT_EPILOG("");
return err;
}
int mainStreaming(char* ip) {
// Prepare the application context to get video stream
AppOMXContext ctx = AppOMXContext_Construct(ip) ;
initAppOMX(&ctx) ;
configureCamera(&ctx) ;
configureEncoder(&ctx) ;
configureNullSink(&ctx) ;
// Configure ports to capture and compress video stream
tunneling(&ctx) ;
enablePorts(&ctx) ;
allocateBuffers(&ctx) ;
portsReady(&ctx) ;
// Capture and make video streaming over Wifi connection
while (1) {
ctx.capture(&ctx) ;
}
return 0 ;
}