2 * Copyright (c) 2005 Francois Revol
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 #define PKTFILESUFF "_%08"PRId64"_%02d_%010"PRId64"_%06d_%c.bin"
31 static int usage(int ret)
33 fprintf(stderr, "dump (up to maxpkts) AVPackets as they are demuxed by libavformat.\n");
34 fprintf(stderr, "each packet is dumped in its own file named like `basename file.ext`_$PKTNUM_$STREAMINDEX_$STAMP_$SIZE_$FLAGS.bin\n");
35 fprintf(stderr, "pktdumper [-nw] file [maxpkts]\n");
36 fprintf(stderr, "-n\twrite No file at all, only demux.\n");
37 fprintf(stderr, "-w\tWait at end of processing instead of quitting.\n");
41 int main(int argc, char **argv)
43 char fntemplate[PATH_MAX];
44 char pktfilename[PATH_MAX];
45 AVFormatContext *fctx;
53 if ((argc > 1) && !strncmp(argv[1], "-", 1)) {
54 if (strchr(argv[1], 'w'))
56 if (strchr(argv[1], 'n'))
64 maxpkts = atoi(argv[2]);
65 strncpy(fntemplate, argv[1], PATH_MAX-1);
66 if (strrchr(argv[1], '/'))
67 strncpy(fntemplate, strrchr(argv[1], '/')+1, PATH_MAX-1);
68 if (strrchr(fntemplate, '.'))
69 *strrchr(fntemplate, '.') = '\0';
70 if (strchr(fntemplate, '%')) {
71 fprintf(stderr, "can't use filenames containing '%%'\n");
74 if (strlen(fntemplate) + sizeof(PKTFILESUFF) >= PATH_MAX-1) {
75 fprintf(stderr, "filename too long\n");
78 strcat(fntemplate, PKTFILESUFF);
79 printf("FNTEMPLATE: '%s'\n", fntemplate);
81 // register all file formats
84 err = av_open_input_file(&fctx, argv[1], NULL, 0, NULL);
86 fprintf(stderr, "av_open_input_file: error %d\n", err);
90 err = av_find_stream_info(fctx);
92 fprintf(stderr, "av_find_stream_info: error %d\n", err);
98 while ((err = av_read_frame(fctx, &pkt)) >= 0) {
100 snprintf(pktfilename, PATH_MAX-1, fntemplate, pktnum, pkt.stream_index, pkt.pts, pkt.size, (pkt.flags & PKT_FLAG_KEY)?'K':'_');
101 printf(PKTFILESUFF"\n", pktnum, pkt.stream_index, pkt.pts, pkt.size, (pkt.flags & PKT_FLAG_KEY)?'K':'_');
102 //printf("open(\"%s\")\n", pktfilename);
104 fd = open(pktfilename, O_WRONLY|O_CREAT, 0644);
105 write(fd, pkt.data, pkt.size);
109 if (maxpkts && (pktnum >= maxpkts))