29 #define PKTFILESUFF "_%08"PRId64"_%02d_%010"PRId64"_%06d_%c.bin"
35 fprintf(stderr,
"dump (up to maxpkts) AVPackets as they are demuxed by libavformat.\n");
36 fprintf(stderr,
"each packet is dumped in its own file named like `basename file.ext`_$PKTNUM_$STREAMINDEX_$STAMP_$SIZE_$FLAGS.bin\n");
37 fprintf(stderr,
"pktdumper [-nw] file [maxpkts]\n");
38 fprintf(stderr,
"-n\twrite No file at all, only demux.\n");
39 fprintf(stderr,
"-w\tWait at end of processing instead of quitting.\n");
43 int main(
int argc,
char **argv)
45 char fntemplate[PATH_MAX];
46 char pktfilename[PATH_MAX];
55 if ((argc > 1) && !strncmp(argv[1],
"-", 1)) {
56 if (strchr(argv[1],
'w'))
58 if (strchr(argv[1],
'n'))
66 maxpkts = atoi(argv[2]);
67 strncpy(fntemplate, argv[1], PATH_MAX-1);
68 if (strrchr(argv[1],
'/'))
69 strncpy(fntemplate, strrchr(argv[1],
'/')+1, PATH_MAX-1);
70 if (strrchr(fntemplate,
'.'))
71 *strrchr(fntemplate,
'.') =
'\0';
72 if (strchr(fntemplate,
'%')) {
73 fprintf(stderr,
"can't use filenames containing '%%'\n");
76 if (strlen(fntemplate) +
sizeof(
PKTFILESUFF) >= PATH_MAX-1) {
77 fprintf(stderr,
"filename too long\n");
81 printf(
"FNTEMPLATE: '%s'\n", fntemplate);
88 fprintf(stderr,
"cannot open input: error %d\n", err);
94 fprintf(stderr,
"avformat_find_stream_info: error %d\n", err);
106 fd = open(pktfilename, O_WRONLY|O_CREAT, 0644);
107 err = write(fd, pkt.
data, pkt.
size);
109 fprintf(stderr,
"write: error %d\n", err);
116 if (maxpkts && (pktnum >= maxpkts))