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/*
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Copyright (C) 2003 Commonwealth Scientific and Industrial Research
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Organisation (CSIRO) Australia
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of CSIRO Australia nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ORGANISATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "oggz/oggz.h"
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static char * infilename;
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static int previous_b_o_s = 0;
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static void
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read_comments (OGGZ * oggz, long serialno)
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{
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const OggzComment * comment;
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const char * vendor;
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const char * content_type;
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content_type = oggz_stream_get_content_type (oggz, serialno);
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printf ("%s: serial %010lu\n\n", content_type, serialno);
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vendor = oggz_comment_get_vendor (oggz, serialno);
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if (vendor) printf (" Vendor: %s\r\n", vendor);
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for (comment = oggz_comment_first (oggz, serialno); comment;
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comment = oggz_comment_next (oggz, serialno, comment)) {
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if (comment->value) {
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printf (" %s: %s\r\n", comment->name, comment->value);
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} else {
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printf (" %s\r\n", comment->name);
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}
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}
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puts ("\r\n");
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}
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static int
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read_packet (OGGZ * oggz, oggz_packet * zp, long serialno, void * user_data)
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{
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if (previous_b_o_s) {
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read_comments (oggz, serialno);
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}
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previous_b_o_s = zp->op.b_o_s;
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return 0;
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}
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int
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main (int argc, char ** argv)
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{
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OGGZ * oggz;
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if (argc < 2) {
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printf ("usage: %s infilename\n", argv[0]);
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printf ("*** Oggz example program. ***\n");
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printf ("Read comments from an Ogg file.\n");
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exit (1);
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}
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infilename = argv[1];
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if ((oggz = oggz_open ((char *) infilename, OGGZ_READ)) == NULL) {
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printf ("unable to open file %s\n", infilename);
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exit (1);
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}
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oggz_set_read_callback (oggz, -1 /* read all streams */, read_packet, NULL);
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oggz_run (oggz);
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oggz_close (oggz);
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exit (0);
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}
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