cellmpeg2dec.c

基于ti公司的DM642的视频处理代码

/*
 *  Copyright 2002 by Texas Instruments Incorporated.
 *  All rights reserved. Property of Texas Instruments Incorporated.
 *  Restricted rights to use, duplicate or disclose this code are
 *  granted through contract.
 *  
 */
 /*  ======== cellMpeg2enc.c ========
 *
 */
#include <std.h>

#include <algrf.h>

#include "cellmpeg2dec.h"    
#include "csl_cache.h"
#include "csl_irq.h"
#include "tsk.h"
#include "stdio.h"

// v-table for this cell
ICELL_Fxns MPEG2DEC_CELLFXNS = { 
    NULL,            // cellClose
    NULL, 			// cellControl
    MPEG2DEC_cellExecute, // cellExecute
    NULL             // cellOpen
};


/*
 *  ======== MPEG2ENC_cellExecute ========
 *
 */

Bool MPEG2DEC_cellExecute( ICELL_Handle handle, Arg arg )
{
    IMPEG2VDEC_Fxns  *mpeg2decFxns   = (IMPEG2VDEC_Fxns *)handle->algFxns;
    IMPEG2VDEC_Handle mpeg2decHandle = (IMPEG2VDEC_Handle)handle->algHandle;
    unsigned int *in[4];
    int h_share_mpeg2_rdbuf_size = 0x8000000;

    
	in[2] = (int *) handle->inputIcc[0]->buffer ;
	in[3] = &h_share_mpeg2_rdbuf_size;

    mpeg2decFxns->ialg.algActivate((IALG_Handle)mpeg2decHandle);
    
    CACHE_clean(CACHE_L2ALL, 0, 0);
    mpeg2decFxns->decode( mpeg2decHandle,
                     ( int **)in,
                     ( int **)handle->outputIcc[0]->buffer); 
    CACHE_clean(CACHE_L2ALL, 0, 0);                     
    

    mpeg2decFxns->ialg.algDeactivate((IALG_Handle)mpeg2decHandle);

    return ( TRUE );
}