/* $Id: envvobsub.c

   This file is part of the HandBrake source code.
   Homepage: <http://handbrake.fr/>.
   It may be used under the terms of the GNU General Public License. */

#include "hb.h"

struct hb_work_private_s
{
    hb_job_t * job;
};

int encsubInit( hb_work_object_t * w, hb_job_t * job )
{
    hb_work_private_t * pv;

    pv              = calloc( 1, sizeof( hb_work_private_t ) );
    w->private_data = pv;

    pv->job = job;

    return 0;
}

int encsubWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
                hb_buffer_t ** buf_out )
{
    hb_work_private_t * pv = w->private_data;
    hb_buffer_t * in = *buf_in;

    if ( in->size <= 0 )
    {
        /* EOF on input stream - send it downstream & say that we're done */
        *buf_out = in;
        *buf_in = NULL;
        return HB_WORK_DONE;
    }

    /*
     * Don't do anything at present, just pass the buffer on.
     */
    *buf_out = in;
    *buf_in = NULL;

    return HB_WORK_OK; 
}

void encsubClose( hb_work_object_t * w )
{
    free( w->private_data );
}

hb_work_object_t hb_encvobsub =
{
    WORK_ENCVOBSUB,
    "VOBSUB encoder",
    encsubInit,
    encsubWork,
    encsubClose
};