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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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- 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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#ifdef HAVE_INTTYPES_H
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# include <inttypes.h>
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# define PRId64 "I64d"
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#include <oggz/oggz.h>
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#include "oggz_tools.h"
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OggzReadPacket read_packet;
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static char * progname;
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static FILE * outfile = NULL;
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#define HTML_HEAD "<html>\n<head>\n<title>OGGZ_SCAN OUTPUT</title>\n</head>\n\n<body>\n<h1>OGGZ_SCAN OUTPUT for %s</h1>\n\n"
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#define HTML_END "<hr/>\n</body>\n</html>"
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#define HTML_CLIP "<p>Clip No %i\tat t=%lf.</p>\n\n"
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#define CMML_HEAD "<cmml>\n<stream>\n<import src=\"%s\"/>\n</stream>\n\n<head>\n<title>OGGZ_SCAN OUTPUT for %s</title>\n</head>\n\n"
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#define CMML_END "</cmml>"
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#define CMML_CLIP "<clip id=\"clip-%i\" start=\"%lf\">\n<desc>Enter description.</desc>\n</clip>\n\n"
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usage (char * progname)
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printf ("Usage: %s [options] filename\n", progname);
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printf ("Scan an Ogg file and output characteristic landmarks.\n");
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printf ("\nOutput options\n");
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printf (" -o filename, --output filename\n");
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printf (" Specify output filename\n");
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printf (" -f format, --format format\n");
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printf (" Specify output format. Supported formats are plain,\n");
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printf (" cmml, and html. (Default: plain)\n");
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printf ("\nFeature options\n");
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printf (" -k, --keyframe Display timestamps of unforced theora keyframes\n");
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printf ("\nMiscellaneous options\n");
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printf (" -h, --help Display this help and exit\n");
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printf (" -v, --version Output version information and exit\n");
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printf ("Please report bugs to <ogg-dev@xiph.org>\n");
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filter_page (OGGZ * oggz, const ogg_page * og, long serialno, void * user_data)
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OSData * osdata = (OSData *) user_data;
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/* set scanning callback for keyframe calculation on theora pages only */
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if (osdata->keyframes && ogg_page_bos ((ogg_page *)og)) {
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ident = ot_page_identify (og, NULL);
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if (strcasecmp ("theora", ident) == 0) {
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oggz_set_read_callback (oggz, serialno, osdata->read_packet, osdata);
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/* FIXME: on Mac OS X, off_t is 64-bits. Obviously we want a nicer
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* way to do it than this, but a quick fix is a good fix */
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# define PRI_off_t "q"
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# define PRI_off_t "l"
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read_packet (OGGZ * oggz, ogg_packet * op, long serialno, void * user_data)
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OSData * osdata = (OSData *) user_data;
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/* calculate granuleshift for theora track */
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if (osdata->granuleshift == 0) {
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osdata->granuleshift = 1 << oggz_get_granuleshift (oggz, serialno);
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osdata->granuleshift--;
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fprintf(outfile, "Granuleshift = %d\n", osdata->granuleshift);
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/* don't do anything on bos page */
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/* calculate the keyframes if requested */
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if (osdata->keyframes) {
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/* increase number of packets seen since the last intra frame */
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osdata->pktssincekey++;
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/* does the current packet contain a keyframe? */
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if(!(op->packet[0] & 0x80) /* data packet */ &&
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!(op->packet[0] & 0x40) /* intra frame */ ) {
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fprintf(outfile, "Keyframe found: packetno=%" PRId64
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"\t pktssincekey=%d\n", op->packetno, osdata->pktssincekey);
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/* if the keyframe is on the granuleshift position, ignore it */
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if (osdata->pktssincekey >= osdata->granuleshift) {
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osdata->pktssincekey=0;
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osdata->pktssincekey=0;
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/* new shot boundary found: calculate time */
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units = oggz_tell_units (oggz);
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time_offset = oggz_tell(oggz);
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time_offset = (double)units / 1000.0;
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/* output in requested format */
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fprintf(outfile, HTML_CLIP, osdata->clipcount, time_offset);
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fprintf(outfile, CMML_CLIP, osdata->clipcount, time_offset);
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if (!osdata->html && !osdata->cmml) {
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ot_fprint_time (outfile, time_offset);
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fputc ('\n', outfile);
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fprintf (outfile, "%ld bytes pktno=%" PRId64 "\n", op->bytes, op->packetno);
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main (int argc, char ** argv)
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int show_version = 0;
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int scan_keyframes = 0;
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OSData * osdata = NULL;
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char * infilename = NULL, * outfilename = NULL;
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char * optstring = "f:khvo:";
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#ifdef HAVE_GETOPT_LONG
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static struct option long_options[] = {
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{"output", required_argument, 0, 'o'},
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{"format", required_argument, 0, 'f'},
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{"keyframe", no_argument, 0, 'k'},
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{"help", no_argument, 0, 'h'},
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{"version", no_argument, 0, 'v'},
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i = getopt_long(argc, argv, optstring, long_options, NULL);
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i = getopt (argc, argv, optstring);
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case 'f': /* format */
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if (!strcmp (optarg, "cmml")) {
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} else if (!strcmp (optarg, "html")) {
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case 'k': /* keyframe */
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case 'v': /* version */
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case 'o': /* output */
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outfilename = optarg;
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printf ("%s version " VERSION "\n", progname);
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if (show_version || show_help) {
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if (optind >= argc) {
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infilename = argv[optind++];
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if (outfilename == NULL) {
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outfile = fopen (outfilename, "wb");
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if (outfile == NULL) {
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fprintf (stderr, "%s: unable to open output file %s\n",
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progname, outfilename);
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if (strcmp (infilename, "-") == 0) {
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oggz = oggz_open_stdio (stdin, OGGZ_READ|OGGZ_AUTO);
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oggz = oggz_open (infilename, OGGZ_READ|OGGZ_AUTO);
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fprintf (stderr, "%s: %s: error opening input file\n",
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progname, infilename);
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fprintf (stderr, "%s: %s: %s\n",
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progname, infilename, strerror (errno));
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osdata = malloc (sizeof (OSData));
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memset (osdata, 0, sizeof (OSData));
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osdata->read_packet = read_packet;
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if (scan_keyframes) osdata->keyframes = 1;
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if (output_cmml) osdata->cmml = 1;
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if (output_html) osdata->html = 1;
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/* set up the right filters on the tracks */
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oggz_set_read_page (oggz, -1, filter_page, osdata);
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/* correct output format */
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fprintf(outfile, HTML_HEAD, infilename);
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fprintf(outfile, CMML_HEAD, infilename, infilename);
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while ((n = oggz_read (oggz, 1024)) > 0);
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fprintf(outfile, HTML_END);
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fprintf(outfile, CMML_END);
added
removed
src/tools/oggz-scan.c
