indexvideo.c

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/*****************************************************************
*** Copyright (c) 2001 Sigma Designs Inc. All rights reserved. ***
*****************************************************************/

/**
  @file playlist.c @brief Sample C files showing how to use the external API of the CARIBBEAN driver.
  This sample shows how to initialise the Caribbean driver, then open an URL and play it.

  @date   2001-12-15
*/

#define ALLOW_OS_CODE

#include "../rmdef/rmdef.h"
#include "../rmcaribbeanapi/include/rmcaribbeanapi.h"
#include "../rmmpegindexerapi/include/rmmpegindexerapi.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef WIN32
#include <unistd.h>
#include <setjmp.h>
#else
#include <Windows.h>
#endif

#define TOTAL_MEMORY_NEEDED (60*1024)

jmp_buf g_env;
void apidemopaniccallback(RMuint32 reason);
void apidemopaniccallback(RMuint32 reason)
{
	longjmp(g_env,(int)reason);
}

int main(int argc, char **argv)
{
	int rc;
	RMuint8 *pStart;
	ExternalRMmpegIndexer indexer;

	if (argc != 4) {
		fprintf(stderr, "Usage %s: <type> <mpeg file> <index file>\n"
			"\ttype: one of M1S, M2P, M2T, VOB, M4T, MPEG2_VIDEO, MPEG4_VIDEO\n"
			"\tmpeg file: mpeg file to index\n"
			"\tindex file: index file\n" , argv[0]);
		return -1;
	}

	pStart=(RMuint8 *)malloc(TOTAL_MEMORY_NEEDED);
	if (pStart==NULL) {
		fprintf(stderr,"Cannot allocate %d bytes.\n",TOTAL_MEMORY_NEEDED);
		return -1;
	}
	
	rc=setjmp(g_env);
	
	if (rc == 0) {
		fprintf(stderr,"Saved context for panic situation OK\n");
	}
	else {
		fprintf(stderr,"CARIBBEAN called RMPanic with RMstatus %d. Exiting\n",rc);
		if (rc==RM_ERRORGRAPHMISSINGNODEORMODULE) 
			fprintf(stderr,
				"you are missing a required shared library\n"
				"run again in gdb with breakpoint on longjmp;\n"
				"go back in the stack until RMCreateInstance() and\n"
				"print *(int *)($fp+8) gives the missing cid\n");
		return -1;
	}
	EnterCaribbean(pStart,TOTAL_MEMORY_NEEDED,RM_ALIGNMENTNONE,apidemopaniccallback);
	
	if (RMCreateMpegIndexer(&indexer, argv[1]) != RM_OK)
		goto cleanup;
	
	RMIndexMpegFile(indexer, (RMuint8 *) argv[2], (RMuint8 *) argv[3]);

 cleanup:
	if (indexer != NULL)
		RMDeleteMpegIndexer(indexer);

	if (ExitCaribbean(NULL)==RM_OK) {
		free(pStart);
		fprintf(stderr,"exit caribbean and freed memory space\n");
		return 0;
	}
	else {
		fprintf(stderr,"Problems to ExitCaribbean\n");
		return -1;
	}
}