/*

   Copyright (C) 2003 Commonwealth Scientific and Industrial Research

   Organisation (CSIRO) Australia

   Redistribution and use in source and binary forms, with or without

   modification, are permitted provided that the following conditions

   are met:

   - Redistributions of source code must retain the above copyright

   notice, this list of conditions and the following disclaimer.

   - Redistributions in binary form must reproduce the above copyright

   notice, this list of conditions and the following disclaimer in the

   documentation and/or other materials provided with the distribution.

   - Neither the name of CSIRO Australia nor the names of its

   contributors may be used to endorse or promote products derived from

   this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

   PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR

   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

#include <stdio.h>

#include <stdlib.h>

#include "oggz/oggz.h"

#define ID_WRITE_DIRECT

/* define USE_FLUSH_NEXT */

#ifdef USE_FLUSH_NEXT

static int flush_next = 0;

#endif

static int

read_packet (OGGZ * oggz, oggz_packet * zp, long serialno, void * user_data)

{

  ogg_packet * op = &zp->op;

  OGGZ * writer = (OGGZ *)user_data;

  int flush;

  int ret;

#ifdef USE_FLUSH_NEXT

  flush = flush_next;

  if (op->granulepos == -1) {

    flush_next = 0;

  } else {

    flush_next = OGGZ_FLUSH_BEFORE;

  }

#else

  if (op->granulepos == -1) {

    flush = 0;

  } else {

    flush = OGGZ_FLUSH_AFTER;

  }

#endif

  if ((ret = oggz_write_feed (writer, op, serialno, flush, NULL)) != 0) {

    printf ("oggz_write_feed: %d\n", ret);

  }

  return 0;

}

int

main (int argc, char ** argv)

{

  char * infilename, * outfilename;

  OGGZ * reader, * writer;

#ifndef ID_WRITE_DIRECT

  FILE * outfile;

  unsigned char buf[1024];

#endif

  long n;

  if (argc < 3) {

    printf ("usage: %s infile outfile\n", argv[0]);

  }

  infilename = argv[1];

  outfilename = argv[2];

  if ((reader = oggz_open (infilename, OGGZ_READ)) == NULL) {

    printf ("unable to open file %s\n", infilename);

    exit (1);

  }

#ifdef ID_WRITE_DIRECT

  if ((writer = oggz_open (outfilename, OGGZ_WRITE)) == NULL) {

    printf ("unable to open file %s\n", outfilename);

    exit (1);

  }

#else

  if ((writer = oggz_new (OGGZ_WRITE)) == NULL) {

    printf ("Unable to create new writer\n");

  }

  outfile = fopen (outfilename, "w");

#endif

  oggz_set_read_callback (reader, -1, read_packet, writer);

  while ((n = oggz_read (reader, 1024)) > 0) {

#ifdef ID_WRITE_DIRECT

    while (oggz_write (writer, n) > 0);

#else

    while (oggz_write_output (writer, buf, n) > 0) {

      fwrite (buf, 1, n, outfile);

    }

#endif

  }

#ifndef ID_WRITE_DIRECT

  fclose (outfile);

#endif

  oggz_close (writer);

  oggz_close (reader);

  exit (0);

}