mp4info.cpp

MPEG-4编解码的实现(包括MPEG4视音频编解码)

/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is MPEG4IP.
 * 
 * The Initial Developer of the Original Code is Cisco Systems Inc.
 * Portions created by Cisco Systems Inc. are
 * Copyright (C) Cisco Systems Inc. 2001-2002.  All Rights Reserved.
 * 
 * Contributor(s): 
 *		Dave Mackie		[e-mail]
 */

#include "mp4.h"
#include "mpeg4ip_getopt.h"


int main(int argc, char** argv)
{
	char* usageString = 
		"usage: %s <file-name>\n";

	/* begin processing command line */
	char* ProgName = argv[0];
	while (true) {
		int c = -1;
		int option_index = 0;
		static struct option long_options[] = {
			{ "version", 0, 0, 'V' },
			{ NULL, 0, 0, 0 }
		};

		c = getopt_long_only(argc, argv, "V",
			long_options, &option_index);

		if (c == -1)
			break;

		switch (c) {
		case '?':
			fprintf(stderr, usageString, ProgName);
			exit(0);
		case 'V':
		  fprintf(stderr, "%s - %s version %s\n", ProgName, 
			  PACKAGE, VERSION);
		  exit(0);
		default:
			fprintf(stderr, "%s: unknown option specified, ignoring: %c\n", 
				ProgName, c);
		}
	}

	/* check that we have at least one non-option argument */
	if ((argc - optind) < 1) {
		fprintf(stderr, usageString, ProgName);
		exit(1);
	}

	/* end processing of command line */
	printf("%s version %s\n", ProgName, VERSION);

	while (optind < argc) {
		char *mp4FileName = argv[optind++];

		printf("%s:\n", mp4FileName);

		char* info = MP4FileInfo(mp4FileName);

		if (!info) {
			fprintf(stderr, 
				"%s: can't open %s\n", 
				ProgName, mp4FileName);
			continue;
		}

		fputs(info, stdout);

		free(info);
	}

	return(0);
}