Remove unused file
[libav.git] / pktdumper.c
1 /*
2 * Copyright (c) 2005 Francois Revol
3 *
4 * This file is part of FFmpeg.
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #include <avformat.h>
22 #include <limits.h>
23 #include <fcntl.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <unistd.h>
28
29 #define PKTFILESUFF "_%08"PRId64"_%02d_%010"PRId64"_%06d_%c.bin"
30
31 static int usage(int ret)
32 {
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");
38 return ret;
39 }
40
41 int main(int argc, char **argv)
42 {
43 char fntemplate[PATH_MAX];
44 char pktfilename[PATH_MAX];
45 AVFormatContext *fctx;
46 AVPacket pkt;
47 int64_t pktnum = 0;
48 int64_t maxpkts = 0;
49 int donotquit = 0;
50 int nowrite = 0;
51 int err;
52
53 if ((argc > 1) && !strncmp(argv[1], "-", 1)) {
54 if (strchr(argv[1], 'w'))
55 donotquit = 1;
56 if (strchr(argv[1], 'n'))
57 nowrite = 1;
58 argv++;
59 argc--;
60 }
61 if (argc < 2)
62 return usage(1);
63 if (argc > 2)
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");
72 return usage(1);
73 }
74 if (strlen(fntemplate) + sizeof(PKTFILESUFF) >= PATH_MAX-1) {
75 fprintf(stderr, "filename too long\n");
76 return usage(1);
77 }
78 strcat(fntemplate, PKTFILESUFF);
79 printf("FNTEMPLATE: '%s'\n", fntemplate);
80
81 // register all file formats
82 av_register_all();
83
84 err = av_open_input_file(&fctx, argv[1], NULL, 0, NULL);
85 if (err < 0) {
86 fprintf(stderr, "av_open_input_file: error %d\n", err);
87 return 1;
88 }
89
90 err = av_find_stream_info(fctx);
91 if (err < 0) {
92 fprintf(stderr, "av_find_stream_info: error %d\n", err);
93 return 1;
94 }
95
96 av_init_packet(&pkt);
97
98 while ((err = av_read_frame(fctx, &pkt)) >= 0) {
99 int fd;
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);
103 if (!nowrite) {
104 fd = open(pktfilename, O_WRONLY|O_CREAT, 0644);
105 write(fd, pkt.data, pkt.size);
106 close(fd);
107 }
108 pktnum++;
109 if (maxpkts && (pktnum >= maxpkts))
110 break;
111 }
112
113 while (donotquit)
114 sleep(60);
115
116 return 0;
117 }