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tskVideoOutput.c
Package: DSP-C6000-DM642DEMO.rar　[view]
Upload User: dahaojd
Upload Date: 2008-01-29
Package Size: 14357k
Code Size: 2k
Category:

DSP program

Development Platform:

C/C++

tskVideoOutput.c：Code Content
  1. #include <std.h>
  2. #include <csl.h>
  3. #include <csl_dat.h>
  4. #include <csl_cache.h>
  5. #include <chan.h>
  6. #include <scom.h>
  7. #include <utl.h>
  8. #include <fvid.h>
  9. #include <tsk.h>
  10. #include "edc.h"
  12. #include "vport.h"
  13. #include "vportdis.h"
  14. #include "evmdm642.h"
  15. //#include "saa7105.h" /*change*/
  16. #include "saa7121.h" /*change*/
  17. #include "appMain.h"
  18. #include "appThreads.h"
  20. #include "evmdm642_vdisparams.h"
  21. #include "cap_dis_size.h"
  23. /* heap IDs defined in the BIOS configuration file */
  24. extern int extHeap;
  26. #pragma DATA_SECTION(scratch2,".internal_data1");
  27. #pragma DATA_ALIGN(scratch2,8);
  28. unsigned char scratch2[20*LINE_SZ];
  30. //extern unsigned char scratch1[];
  32. FVID_Handle  disChan;
  33. FVID_Frame *disFrameBuf;
  35. void tskVideoOutputInit()
  36. {
  38.     int             status;
  40.     EVMDM642_vDisParamsChan.segId = extHeap;
  42.     EVMDM642_vDisParamsSAA7121.hI2C = EVMDM642_I2C_hI2C;/*change*/
  44.     disChan = FVID_create("/VP2DISPLAY", IOM_OUTPUT,
  45.         &status, (Ptr)&EVMDM642_vDisParamsChan, NULL);
  47.     FVID_control(disChan, VPORT_CMD_EDC_BASE+EDC_CONFIG, (Ptr)&EVMDM642_vDisParamsSAA7121); /*change*/
  49. }
  51. void tskVideoOutputStart()
  52. {
  53.     FVID_control(disChan, VPORT_CMD_START, NULL);
  54. }
  55. /* handle video capture, scaling and re-format */
  58. void tskVideoOutput()
  59. {
  60.     char *inBuf[3], *outBuf[3];
  61.     SCOM_Handle fromProctoOut,fromOuttoProc;
  62.     ScomMessage *pMsgBuf;
  64.     fromProctoOut = SCOM_open("PROCTOOUT");
  65.     fromOuttoProc = SCOM_open("OUTTOPROC");
  67.     FVID_alloc(disChan, &disFrameBuf);
  69.     while(1)
  70.     {
  71.         pMsgBuf = SCOM_getMsg(fromProctoOut, SYS_FOREVER);
  73.         UTL_stsStart( stsDispTime );
  75.         inBuf[0] = pMsgBuf->bufY;
  76.         inBuf[1] = pMsgBuf->bufU;
  77.         inBuf[2] = pMsgBuf->bufV;
  79.         outBuf[0] =  disFrameBuf->frame.iFrm.y1;
  80.         outBuf[1] =  disFrameBuf->frame.iFrm.cb1;
  81.         outBuf[2] =  disFrameBuf->frame.iFrm.cr1;
  83.         yuv420to422(inBuf,outBuf,720,480);
  85.         UTL_stsStop( stsDispTime );
  87.         SCOM_putMsg(fromOuttoProc, pMsgBuf);
  89.         FVID_exchange(disChan, &disFrameBuf);
  90.     }
  91. }