cellmpeg2enc.c

TI公司C6000系列DSP（DM642）模拟视频采集与回显源代码

/*
 *  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 "cellmpeg2enc.h"

// v-table for this cell
ICELL_Fxns MPEG2ENC_CELLFXNS = { 
    NULL,            // cellClose
    MPEG2ENC_cellControl, // cellControl
    MPEG2ENC_cellExecute, // cellExecute
    NULL             // cellOpen
};

/*
 *  ======== MPEG2ENC_cellExecute ========
 *
 */
Bool MPEG2ENC_cellExecute( ICELL_Handle handle, Arg arg )
{
    IMPEG2VENC_Fxns  *mpeg2encFxns   = (IMPEG2VENC_Fxns *)handle->algFxns;
    IMPEG2VENC_Handle mpeg2encHandle = (IMPEG2VENC_Handle)handle->algHandle;
    
    mpeg2encFxns->ialg.algActivate((IALG_Handle)mpeg2encHandle);

    mpeg2encFxns->encodeFrame( mpeg2encHandle,
                     (unsigned char **)handle->inputIcc[0]->buffer,
                     (unsigned int *)handle->outputIcc[0]->buffer,(int) arg);
    mpeg2encFxns->ialg.algDeactivate((IALG_Handle)mpeg2encHandle);

    return ( TRUE );
}

/*
 *  ======== MPEG2ENC_cellControl ========
 *
 */
Int  MPEG2ENC_cellControl(ICELL_Handle handle, IALG_Cmd cmd, IALG_Status *status)
{
    IMPEG2VENC_Fxns  *mpeg2encFxns   = (IMPEG2VENC_Fxns *)handle->algFxns;    
    IMPEG2VENC_Handle mpeg2encHandle = (IMPEG2VENC_Handle )handle->algHandle;
    IMPEG2VENC_Status *mpeg2status    = (IMPEG2VENC_Status *)status;
    IMPEG2VENC_Cmd    mpeg2cmd        = (IMPEG2VENC_Cmd )cmd;
    
    if( mpeg2encFxns->control != NULL ) {
        mpeg2encFxns->control( mpeg2encHandle, mpeg2cmd, mpeg2status );
    }
    
    return 1;
}