* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "config.h"
#include <limits.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#if HAVE_UNISTD_H
#include <unistd.h>
+#endif
+#if HAVE_IO_H
+#include <io.h>
+#endif
+#include "libavutil/avstring.h"
#include "libavutil/time.h"
#include "libavformat/avformat.h"
+#define FILENAME_BUF_SIZE 4096
#define PKTFILESUFF "_%08" PRId64 "_%02d_%010" PRId64 "_%06d_%c.bin"
static int usage(int ret)
{
- fprintf(stderr, "dump (up to maxpkts) AVPackets as they are demuxed by libavformat.\n");
- fprintf(stderr, "each packet is dumped in its own file named like `basename file.ext`_$PKTNUM_$STREAMINDEX_$STAMP_$SIZE_$FLAGS.bin\n");
+ fprintf(stderr, "Dump (up to maxpkts) AVPackets as they are demuxed by libavformat.\n");
+ fprintf(stderr, "Each packet is dumped in its own file named like\n");
+ fprintf(stderr, "$(basename file.ext)_$PKTNUM_$STREAMINDEX_$STAMP_$SIZE_$FLAGS.bin\n");
fprintf(stderr, "pktdumper [-nw] file [maxpkts]\n");
fprintf(stderr, "-n\twrite No file at all, only demux.\n");
fprintf(stderr, "-w\tWait at end of processing instead of quitting.\n");
int main(int argc, char **argv)
{
- char fntemplate[PATH_MAX];
- char pktfilename[PATH_MAX];
+ char fntemplate[FILENAME_BUF_SIZE];
+ char pktfilename[FILENAME_BUF_SIZE];
AVFormatContext *fctx = NULL;
AVPacket pkt;
int64_t pktnum = 0;
return usage(1);
if (argc > 2)
maxpkts = atoi(argv[2]);
- strncpy(fntemplate, argv[1], PATH_MAX - 1);
+ av_strlcpy(fntemplate, argv[1], sizeof(fntemplate));
if (strrchr(argv[1], '/'))
- strncpy(fntemplate, strrchr(argv[1], '/') + 1, PATH_MAX - 1);
+ av_strlcpy(fntemplate, strrchr(argv[1], '/') + 1, sizeof(fntemplate));
if (strrchr(fntemplate, '.'))
*strrchr(fntemplate, '.') = '\0';
if (strchr(fntemplate, '%')) {
- fprintf(stderr, "can't use filenames containing '%%'\n");
+ fprintf(stderr, "cannot use filenames containing '%%'\n");
return usage(1);
}
- if (strlen(fntemplate) + sizeof(PKTFILESUFF) >= PATH_MAX - 1) {
+ if (strlen(fntemplate) + sizeof(PKTFILESUFF) >= sizeof(fntemplate) - 1) {
fprintf(stderr, "filename too long\n");
return usage(1);
}
while ((err = av_read_frame(fctx, &pkt)) >= 0) {
int fd;
- snprintf(pktfilename, PATH_MAX - 1, fntemplate, pktnum,
+ snprintf(pktfilename, sizeof(pktfilename), fntemplate, pktnum,
pkt.stream_index, pkt.pts, pkt.size,
(pkt.flags & AV_PKT_FLAG_KEY) ? 'K' : '_');
printf(PKTFILESUFF "\n", pktnum, pkt.stream_index, pkt.pts, pkt.size,
(pkt.flags & AV_PKT_FLAG_KEY) ? 'K' : '_');
- //printf("open(\"%s\")\n", pktfilename);
if (!nowrite) {
fd = open(pktfilename, O_WRONLY | O_CREAT, 0644);
err = write(fd, pkt.data, pkt.size);