Pass ASFLAGS to assembler instead of CFLAGS
[libav.git] / tools / 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 <limits.h>
22 #include <fcntl.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <unistd.h>
27 #include "libavformat/avformat.h"
28
29 #define PKTFILESUFF "_%08"PRId64"_%02d_%010"PRId64"_%06d_%c.bin"
30
31 #undef strcat
32
33 static int usage(int ret)
34 {
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");
40 return ret;
41 }
42
43 int main(int argc, char **argv)
44 {
45 char fntemplate[PATH_MAX];
46 char pktfilename[PATH_MAX];
47 AVFormatContext *fctx;
48 AVPacket pkt;
49 int64_t pktnum = 0;
50 int64_t maxpkts = 0;
51 int donotquit = 0;
52 int nowrite = 0;
53 int err;
54
55 if ((argc > 1) && !strncmp(argv[1], "-", 1)) {
56 if (strchr(argv[1], 'w'))
57 donotquit = 1;
58 if (strchr(argv[1], 'n'))
59 nowrite = 1;
60 argv++;
61 argc--;
62 }
63 if (argc < 2)
64 return usage(1);
65 if (argc > 2)
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");
74 return usage(1);
75 }
76 if (strlen(fntemplate) + sizeof(PKTFILESUFF) >= PATH_MAX-1) {
77 fprintf(stderr, "filename too long\n");
78 return usage(1);
79 }
80 strcat(fntemplate, PKTFILESUFF);
81 printf("FNTEMPLATE: '%s'\n", fntemplate);
82
83 // register all file formats
84 av_register_all();
85
86 err = av_open_input_file(&fctx, argv[1], NULL, 0, NULL);
87 if (err < 0) {
88 fprintf(stderr, "av_open_input_file: error %d\n", err);
89 return 1;
90 }
91
92 err = av_find_stream_info(fctx);
93 if (err < 0) {
94 fprintf(stderr, "av_find_stream_info: error %d\n", err);
95 return 1;
96 }
97
98 av_init_packet(&pkt);
99
100 while ((err = av_read_frame(fctx, &pkt)) >= 0) {
101 int fd;
102 snprintf(pktfilename, PATH_MAX-1, fntemplate, pktnum, pkt.stream_index, pkt.pts, pkt.size, (pkt.flags & PKT_FLAG_KEY)?'K':'_');
103 printf(PKTFILESUFF"\n", pktnum, pkt.stream_index, pkt.pts, pkt.size, (pkt.flags & PKT_FLAG_KEY)?'K':'_');
104 //printf("open(\"%s\")\n", pktfilename);
105 if (!nowrite) {
106 fd = open(pktfilename, O_WRONLY|O_CREAT, 0644);
107 write(fd, pkt.data, pkt.size);
108 close(fd);
109 }
110 av_free_packet(&pkt);
111 pktnum++;
112 if (maxpkts && (pktnum >= maxpkts))
113 break;
114 }
115
116 av_close_input_file(fctx);
117
118 while (donotquit)
119 sleep(60);
120
121 return 0;
122 }